Again updating react

Bump next from 16.0.1 to 16.0.3

.dockerignore

@@ -1,13 +1,10 @@
-__pycache__
-*.pyc
-*.pyo
-*.pyd
-.Python
-env/
-venv/
-.env
+node_modules
+.next
 .git
-.gitignore
-.vscode
-*.md
+.github
 *.log
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local

.env.example

@@ -1 +1,4 @@
-MONGO_URI=mongodb://localhost:27017/uLinkShortener
+MONGO_URI=mongodb://<username>:<password>@<host>:<port>/<database>
+MONGO_DB_NAME=<database>
+NEXTAUTH_SECRET=VERY_SECURE_SECRET
+NEXTAUTH_URL=http://localhost:3000

.github/dependabot.yml

@@ -0,0 +1,32 @@
+version: 2
+updates:
+  # Monitor npm dependencies
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10
+    versioning-strategy: auto
+    labels:
+      - "dependencies"
+      - "npm"
+
+  # Monitor Docker dependencies
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
+    labels:
+      - "dependencies"
+      - "docker"
+
+  # Monitor GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    open-pull-requests-limit: 5
+    labels:
+      - "dependencies"
+      - "github-actions"

.github/workflows/build.yml

@@ -0,0 +1,115 @@
+name: Build and Deploy
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  release:
+    types: [created]
+
+jobs:
+  # Update lockfile for Dependabot PRs
+  update-lockfile:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request' && startsWith(github.head_ref, 'dependabot/')
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          ref: ${{ github.head_ref }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: oven-sh/setup-bun@v2
+      - name: Install and update lockfile
+        run: bun install
+      - name: Commit and push updated lockfile
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add bun.lock
+          git commit -m "chore: update lockfile (auto-fix for Dependabot PR)" || exit 0
+          git push
+
+  # Build and push Docker image for Dependabot PRs
+  build_dependabot:
+    runs-on: ubuntu-latest
+    needs: update-lockfile
+    if: github.event_name == 'pull_request' && startsWith(github.head_ref, 'dependabot/')
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+        with:
+          ref: ${{ github.head_ref }}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set image metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=tag
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=sha,format=short
+            type=ref,event=branch
+            type=ref,event=pr
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: false
+          platforms: linux/amd64,linux/arm64/v8
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  # Build and push Docker image for all other events
+  build:
+    runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request' || (github.event_name == 'pull_request' && !startsWith(github.head_ref, 'dependabot/'))
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set image metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=tag
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=sha,format=short
+            type=ref,event=branch
+            type=ref,event=pr
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          platforms: linux/amd64,linux/arm64/v8
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/release.yml

@@ -1,34 +0,0 @@
-name: Build on Release
-
-on:
-  release:
-    types: [created]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    permissions:
-      contents: read
-      packages: write
-
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v2
-
-    - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v1
-
-    - name: Login to GitHub Container Registry
-      uses: docker/login-action@v1
-      with:
-        registry: ghcr.io
-        username: ${{ github.actor }}
-        password: ${{ secrets.GITHUB_TOKEN }}
-
-    - name: Build and push Docker image
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        push: true
-        tags: ghcr.io/marcus7i/ulinkshortener:latest

.gitignore

@@ -1,2 +1,44 @@
-venv/
-.env
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files (can opt-in for committing if needed)
+.env
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts
+
+# logs
+*.log

Dockerfile

@@ -1,20 +1,22 @@
-FROM python:3.11-slim
+FROM oven/bun:1 AS builder
 
 WORKDIR /app
-
-# Copy requirements first to leverage Docker cache
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy application code
+COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile
 COPY . .
 
-# Set environment variables
-ENV FLASK_APP=server.py
-ENV FLASK_ENV=production
+RUN bun run build
 
-# Expose port
-EXPOSE 5000
+FROM oven/bun:1-slim AS runner
 
-# Run the application
-CMD ["python", "server.py"]
+WORKDIR /app
+ENV NODE_ENV=production
+
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/package.json ./package.json
+
+EXPOSE 3000
+
+CMD ["bunx", "next", "start"]

README.md

@@ -1,47 +1,43 @@
-# uLinkShortener
+# µLinkShortener v2
 
-This project is the code behind [u.marcus7i.net](https://u.marcus7i.net), a custom URL shortener. It uses Flask, MongoDB, and Docker for quick deployment.
+This project is the code behind [u.kizuren.dev](https://u.kizuren.dev), a custom URL shortener. It uses Next.JS, MongoDB, and Docker for quick deployment.
 
 ## Prerequisites
-- Python
-- MongoDB database (local or remote)
-- Docker & Docker Compose (optional, for containerized deployments)
+- bun (optional, for development)
+- Docker & Docker Compose
 
 ## Setup
 1. Clone the repository
-2. Create a virtual environment (optional):
-   ```
-   python -m venv env
-   source env/bin/activate  # Linux/Mac
-   env\Scripts\activate     # Windows
-   ```
-3. Install dependencies:
-   ```
-   pip install -r requirements.txt
-   ```
-4. Define environment variables in the `.env` file:
+4. Define environment variables in the `.env` file (mongo connection string is not needed when using docker):
    ```
    MONGO_URI=mongodb://<username>:<password>@<host>:<port>/<database>
+   MONGO_DB_NAME=<database>
+   NEXTAUTH_SECRET=VERY_SECURE_SECRET
+   NEXTAUTH_URL=http://localhost:3000
    ```
 
 ## Running Locally
-1. Start MongoDB
-2. Run:
-   ```
-   python server.py
-   ```
-3. Access the app at http://localhost:5000
 
-## Docker Deployment
-1. Build and run containers:
-   ```
-   docker-compose up --build
-   ```
-2. The application will be available at http://localhost:5000
+### Without Docker
 
-## Using GHCR
+1. Install dependencies:
+   ```
+   bun i
+   ```
+2. Build and run:
+   ```
+   bun run build
+   bun run start
+   ```
 
-Pull the prebuilt image:
-   ```bash
-   docker pull ghcr.io/MarcUs7i/ulinkshortener:latest
-   ```
+### With Docker
+
+   ```
+   docker compose up -d
+   docker compose up --build
+   ```
+The application will be available at http://localhost:3000
+
+## License
+
+This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.

biome.json

@@ -0,0 +1,106 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.3.8/schema.json",
+  "vcs": {
+    "enabled": false,
+    "clientKind": "git",
+    "useIgnoreFile": false
+  },
+  "files": {
+    "ignoreUnknown": false,
+    "includes": [
+      "**",
+      "!.next",
+      "!.log",
+      "next-env.d.ts",
+      "!node_modules",
+      "!dist",
+      "!build",
+      "!coverage",
+      "!*.min.js",
+      "!.env*",
+      "!*.log",
+      "!tmp",
+      "!temp",
+      "!*.config.js"
+    ]
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2,
+    "lineWidth": 100
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "complexity": {
+        "noExtraBooleanCast": "error",
+        "noUselessCatch": "error",
+        "noUselessConstructor": "error",
+        "noUselessLabel": "error",
+        "noUselessRename": "error"
+      },
+      "correctness": {
+        "noConstAssign": "error",
+        "noConstantCondition": "error",
+        "noEmptyPattern": "error",
+        "noGlobalObjectCalls": "error",
+        "noInnerDeclarations": "error",
+        "noInvalidConstructorSuper": "error",
+        "noUnreachable": "error",
+        "noUnreachableSuper": "error",
+        "noUnsafeFinally": "error",
+        "noUnusedLabels": "error",
+        "noUnusedVariables": "warn",
+        "useIsNan": "error"
+      },
+      "style": {
+        "useConst": "warn",
+        "useTemplate": "warn"
+      },
+      "suspicious": {
+        "noAsyncPromiseExecutor": "error",
+        "noCatchAssign": "error",
+        "noClassAssign": "error",
+        "noCommentText": "error",
+        "noCompareNegZero": "error",
+        "noDebugger": "warn",
+        "noDoubleEquals": "warn",
+        "noDuplicateCase": "error",
+        "noDuplicateClassMembers": "error",
+        "noDuplicateObjectKeys": "error",
+        "noEmptyBlockStatements": "warn",
+        "noExplicitAny": "warn",
+        "noFallthroughSwitchClause": "error",
+        "noGlobalAssign": "error",
+        "noRedeclare": "error",
+        "noShadowRestrictedNames": "error",
+        "noUnsafeNegation": "error"
+      }
+    }
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "single",
+      "jsxQuoteStyle": "single",
+      "semicolons": "always",
+      "trailingCommas": "es5",
+      "arrowParentheses": "asNeeded"
+    }
+  },
+  "assist": {
+    "enabled": true,
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  },
+  "css": {
+    "parser": {
+      "cssModules": true,
+      "tailwindDirectives": true
+    }
+  }
+}

bun.lock

@@ -0,0 +1,387 @@
+{
+  "lockfileVersion": 1,
+  "workspaces": {
+    "": {
+      "name": "ulinkshortener",
+      "dependencies": {
+        "chart.js": "^4.5.1",
+        "mongodb": "^7.0.0",
+        "next": "16.0.8",
+        "next-auth": "^4.24.13",
+        "react": "^19.2.1",
+        "react-chartjs-2": "^5.3.1",
+        "react-dom": "^19.2.1",
+        "ua-parser-js": "^2.0.6",
+        "uuid": "^13.0.0",
+        "winston": "^3.19.0",
+      },
+      "devDependencies": {
+        "@biomejs/biome": "^2.3.8",
+        "@tailwindcss/postcss": "^4.1.17",
+        "@types/node": "^24.10.2",
+        "@types/react": "^19.2.7",
+        "@types/react-dom": "^19.2.3",
+        "@types/uuid": "^11.0.0",
+        "tailwindcss": "^4.1.17",
+        "typescript": "^5.9.3",
+      },
+    },
+  },
+  "packages": {
+    "@alloc/quick-lru": ["@alloc/quick-lru@5.2.0", "", {}, "sha512-UrcABB+4bUrFABwbluTIBErXwvbsU/V7TZWfmbgJfbkwiBuziS9gxdODUyuiecfdGQ85jglMW6juS3+z5TsKLw=="],
+
+    "@babel/runtime": ["@babel/runtime@7.27.6", "", {}, "sha512-vbavdySgbTTrmFE+EsiqUTzlOr5bzlnJtUv9PynGCAKvfQqjIXbvFdumPM/GxMDfyuGMJaJAU6TO4zc1Jf1i8Q=="],
+
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+
+    "@biomejs/cli-darwin-arm64": ["@biomejs/cli-darwin-arm64@2.3.8", "", { "os": "darwin", "cpu": "arm64" }, "sha512-HM4Zg9CGQ3txTPflxD19n8MFPrmUAjaC7PQdLkugeeC0cQ+PiVrd7i09gaBS/11QKsTDBJhVg85CEIK9f50Qww=="],
+
+    "@biomejs/cli-darwin-x64": ["@biomejs/cli-darwin-x64@2.3.8", "", { "os": "darwin", "cpu": "x64" }, "sha512-lUDQ03D7y/qEao7RgdjWVGCu+BLYadhKTm40HkpJIi6kn8LSv5PAwRlew/DmwP4YZ9ke9XXoTIQDO1vAnbRZlA=="],
+
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+
+    "@biomejs/cli-linux-arm64-musl": ["@biomejs/cli-linux-arm64-musl@2.3.8", "", { "os": "linux", "cpu": "arm64" }, "sha512-PShR4mM0sjksUMyxbyPNMxoKFPVF48fU8Qe8Sfx6w6F42verbwRLbz+QiKNiDPRJwUoMG1nPM50OBL3aOnTevA=="],
+
+    "@biomejs/cli-linux-x64": ["@biomejs/cli-linux-x64@2.3.8", "", { "os": "linux", "cpu": "x64" }, "sha512-QDPMD5bQz6qOVb3kiBui0zKZXASLo0NIQ9JVJio5RveBEFgDgsvJFUvZIbMbUZT3T00M/1wdzwWXk4GIh0KaAw=="],
+
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+    "@biomejs/cli-win32-x64": ["@biomejs/cli-win32-x64@2.3.8", "", { "os": "win32", "cpu": "x64" }, "sha512-RguzimPoZWtBapfKhKjcWXBVI91tiSprqdBYu7tWhgN8pKRZhw24rFeNZTNf6UiBfjCYCi9eFQs/JzJZIhuK4w=="],
+
+    "@colors/colors": ["@colors/colors@1.6.0", "", {}, "sha512-Ir+AOibqzrIsL6ajt3Rz3LskB7OiMVHqltZmspbW/TJuTVuyOMirVqAkjfY6JISiLHgyNqicAC8AyHHGzNd/dA=="],
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+
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+    "sharp": ["sharp@0.34.4", "", { "dependencies": { "@img/colour": "^1.0.0", "detect-libc": "^2.1.0", "semver": "^7.7.2" }, "optionalDependencies": { "@img/sharp-darwin-arm64": "0.34.4", "@img/sharp-darwin-x64": "0.34.4", "@img/sharp-libvips-darwin-arm64": "1.2.3", "@img/sharp-libvips-darwin-x64": "1.2.3", "@img/sharp-libvips-linux-arm": "1.2.3", "@img/sharp-libvips-linux-arm64": "1.2.3", "@img/sharp-libvips-linux-ppc64": "1.2.3", "@img/sharp-libvips-linux-s390x": "1.2.3", "@img/sharp-libvips-linux-x64": "1.2.3", "@img/sharp-libvips-linuxmusl-arm64": "1.2.3", "@img/sharp-libvips-linuxmusl-x64": "1.2.3", "@img/sharp-linux-arm": "0.34.4", "@img/sharp-linux-arm64": "0.34.4", "@img/sharp-linux-ppc64": "0.34.4", "@img/sharp-linux-s390x": "0.34.4", "@img/sharp-linux-x64": "0.34.4", "@img/sharp-linuxmusl-arm64": "0.34.4", "@img/sharp-linuxmusl-x64": "0.34.4", "@img/sharp-wasm32": "0.34.4", "@img/sharp-win32-arm64": "0.34.4", "@img/sharp-win32-ia32": "0.34.4", "@img/sharp-win32-x64": "0.34.4" } }, "sha512-FUH39xp3SBPnxWvd5iib1X8XY7J0K0X7d93sie9CJg2PO8/7gmg89Nve6OjItK53/MlAushNNxteBYfM6DEuoA=="],
+
+    "source-map-js": ["source-map-js@1.2.1", "", {}, "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA=="],
+
+    "sparse-bitfield": ["sparse-bitfield@3.0.3", "", { "dependencies": { "memory-pager": "^1.0.2" } }, "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ=="],
+
+    "stack-trace": ["stack-trace@0.0.10", "", {}, "sha512-KGzahc7puUKkzyMt+IqAep+TVNbKP+k2Lmwhub39m1AsTSkaDutx56aDCo+HLDzf/D26BIHTJWNiTG1KAJiQCg=="],
+
+    "string_decoder": ["string_decoder@1.3.0", "", { "dependencies": { "safe-buffer": "~5.2.0" } }, "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA=="],
+
+    "styled-jsx": ["styled-jsx@5.1.6", "", { "dependencies": { "client-only": "0.0.1" }, "peerDependencies": { "react": ">= 16.8.0 || 17.x.x || ^18.0.0-0 || ^19.0.0-0" } }, "sha512-qSVyDTeMotdvQYoHWLNGwRFJHC+i+ZvdBRYosOFgC+Wg1vx4frN2/RG/NA7SYqqvKNLf39P2LSRA2pu6n0XYZA=="],
+
+    "tailwindcss": ["tailwindcss@4.1.18", "", {}, "sha512-4+Z+0yiYyEtUVCScyfHCxOYP06L5Ne+JiHhY2IjR2KWMIWhJOYZKLSGZaP5HkZ8+bY0cxfzwDE5uOmzFXyIwxw=="],
+
+    "tapable": ["tapable@2.2.2", "", {}, "sha512-Re10+NauLTMCudc7T5WLFLAwDhQ0JWdrMK+9B2M8zR5hRExKmsRDCBA7/aV/pNJFltmBFO5BAMlQFi/vq3nKOg=="],
+
+    "text-hex": ["text-hex@1.0.0", "", {}, "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg=="],
+
+    "tr46": ["tr46@5.1.1", "", { "dependencies": { "punycode": "^2.3.1" } }, "sha512-hdF5ZgjTqgAntKkklYw0R03MG2x/bSzTtkxmIRw/sTNV8YXsCJ1tfLAX23lhxhHJlEf3CRCOCGGWw3vI3GaSPw=="],
+
+    "triple-beam": ["triple-beam@1.4.1", "", {}, "sha512-aZbgViZrg1QNcG+LULa7nhZpJTZSLm/mXnHXnbAbjmN5aSa0y7V+wvv6+4WaBtpISJzThKy+PIPxc1Nq1EJ9mg=="],
+
+    "tslib": ["tslib@2.8.1", "", {}, "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="],
+
+    "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
+
+    "ua-is-frozen": ["ua-is-frozen@0.1.2", "", {}, "sha512-RwKDW2p3iyWn4UbaxpP2+VxwqXh0jpvdxsYpZ5j/MLLiQOfbsV5shpgQiw93+KMYQPcteeMQ289MaAFzs3G9pw=="],
+
+    "ua-parser-js": ["ua-parser-js@2.0.7", "", { "dependencies": { "detect-europe-js": "^0.1.2", "is-standalone-pwa": "^0.1.1", "ua-is-frozen": "^0.1.2" }, "bin": { "ua-parser-js": "script/cli.js" } }, "sha512-CFdHVHr+6YfbktNZegH3qbYvYgC7nRNEUm2tk7nSFXSODUu4tDBpaFpP1jdXBUOKKwapVlWRfTtS8bCPzsQ47w=="],
+
+    "undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="],
+
+    "util-deprecate": ["util-deprecate@1.0.2", "", {}, "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="],
+
+    "uuid": ["uuid@13.0.0", "", { "bin": { "uuid": "dist-node/bin/uuid" } }, "sha512-XQegIaBTVUjSHliKqcnFqYypAd4S+WCYt5NIeRs6w/UAry7z8Y9j5ZwRRL4kzq9U3sD6v+85er9FvkEaBpji2w=="],
+
+    "webidl-conversions": ["webidl-conversions@7.0.0", "", {}, "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g=="],
+
+    "whatwg-url": ["whatwg-url@14.2.0", "", { "dependencies": { "tr46": "^5.1.0", "webidl-conversions": "^7.0.0" } }, "sha512-De72GdQZzNTUBBChsXueQUnPKDkg/5A5zp7pFDuQAj5UFoENpiACU0wlCvzpAGnTkj++ihpKwKyYewn/XNUbKw=="],
+
+    "winston": ["winston@3.19.0", "", { "dependencies": { "@colors/colors": "^1.6.0", "@dabh/diagnostics": "^2.0.8", "async": "^3.2.3", "is-stream": "^2.0.0", "logform": "^2.7.0", "one-time": "^1.0.0", "readable-stream": "^3.4.0", "safe-stable-stringify": "^2.3.1", "stack-trace": "0.0.x", "triple-beam": "^1.3.0", "winston-transport": "^4.9.0" } }, "sha512-LZNJgPzfKR+/J3cHkxcpHKpKKvGfDZVPS4hfJCc4cCG0CgYzvlD6yE/S3CIL/Yt91ak327YCpiF/0MyeZHEHKA=="],
+
+    "winston-transport": ["winston-transport@4.9.0", "", { "dependencies": { "logform": "^2.7.0", "readable-stream": "^3.6.2", "triple-beam": "^1.3.0" } }, "sha512-8drMJ4rkgaPo1Me4zD/3WLfI/zPdA9o2IipKODunnGDcuqbHwjsbB79ylv04LCGGzU0xQ6vTznOMpQGaLhhm6A=="],
+
+    "yallist": ["yallist@4.0.0", "", {}, "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="],
+
+    "@jridgewell/gen-mapping/@jridgewell/sourcemap-codec": ["@jridgewell/sourcemap-codec@1.5.0", "", {}, "sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ=="],
+
+    "@jridgewell/trace-mapping/@jridgewell/sourcemap-codec": ["@jridgewell/sourcemap-codec@1.5.0", "", {}, "sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ=="],
+
+    "@tailwindcss/oxide-wasm32-wasi/@emnapi/core": ["@emnapi/core@1.7.1", "", { "dependencies": { "@emnapi/wasi-threads": "1.1.0", "tslib": "^2.4.0" }, "bundled": true }, "sha512-o1uhUASyo921r2XtHYOHy7gdkGLge8ghBEQHMWmyJFoXlpU58kIrhhN3w26lpQb6dspetweapMn2CSNwQ8I4wg=="],
+
+    "@tailwindcss/oxide-wasm32-wasi/@emnapi/runtime": ["@emnapi/runtime@1.7.1", "", { "dependencies": { "tslib": "^2.4.0" }, "bundled": true }, "sha512-PVtJr5CmLwYAU9PZDMITZoR5iAOShYREoR45EyyLrbntV50mdePTgUn4AmOw90Ifcj+x2kRjdzr1HP3RrNiHGA=="],
+
+    "@tailwindcss/oxide-wasm32-wasi/@emnapi/wasi-threads": ["@emnapi/wasi-threads@1.1.0", "", { "dependencies": { "tslib": "^2.4.0" }, "bundled": true }, "sha512-WI0DdZ8xFSbgMjR1sFsKABJ/C5OnRrjT06JXbZKexJGrDuPTzZdDYfFlsgcCXCyf+suG5QU2e/y1Wo2V/OapLQ=="],
+
+    "@tailwindcss/oxide-wasm32-wasi/@napi-rs/wasm-runtime": ["@napi-rs/wasm-runtime@1.1.0", "", { "dependencies": { "@emnapi/core": "^1.7.1", "@emnapi/runtime": "^1.7.1", "@tybys/wasm-util": "^0.10.1" }, "bundled": true }, "sha512-Fq6DJW+Bb5jaWE69/qOE0D1TUN9+6uWhCeZpdnSBk14pjLcCWR7Q8n49PTSPHazM37JqrsdpEthXy2xn6jWWiA=="],
+
+    "@tailwindcss/oxide-wasm32-wasi/@tybys/wasm-util": ["@tybys/wasm-util@0.10.1", "", { "dependencies": { "tslib": "^2.4.0" }, "bundled": true }, "sha512-9tTaPJLSiejZKx+Bmog4uSubteqTvFrVrURwkmHixBo0G4seD0zUxp98E1DzUBJxLQ3NPwXrGKDiVjwx/DpPsg=="],
+
+    "@tailwindcss/oxide-wasm32-wasi/tslib": ["tslib@2.8.1", "", { "bundled": true }, "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="],
+
+    "@types/uuid/uuid": ["uuid@8.3.2", "", { "bin": { "uuid": "dist/bin/uuid" } }, "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="],
+
+    "next/postcss": ["postcss@8.4.31", "", { "dependencies": { "nanoid": "^3.3.6", "picocolors": "^1.0.0", "source-map-js": "^1.0.2" } }, "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ=="],
+
+    "next-auth/uuid": ["uuid@8.3.2", "", { "bin": { "uuid": "dist/bin/uuid" } }, "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="],
+  }
+}

docker-compose.dev.yml

@@ -0,0 +1,19 @@
+services:
+  mongo:
+    image: mongo:latest
+    container_name: ulinkshortener-mongo-dev
+    restart: always
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: justauser
+      MONGO_INITDB_ROOT_PASSWORD: veryimportantpasswd
+      MONGO_INITDB_DATABASE: ulinkshortener
+    command: mongod --bind_ip_all
+    volumes:
+      - mongo_data:/data/db
+      - mongo_config:/data/configdb
+    ports:
+      - "27017:27017"
+
+volumes:
+  mongo_data:
+  mongo_config:

docker-compose.yml

@@ -1,33 +1,33 @@
-version: '3.8'
-
 services:
-  web:
-    build: .
+  ulinkshortener:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: ghcr.io/kizuren/ulinkshortener
     ports:
-      - "5000:5000"
+      - "3000:3000"
     environment:
-      - MONGO_URI=mongodb://mongo:27017/uLinkShortener
-    depends_on:
-      - mongo
+      - MONGO_URI=mongodb://justauser:veryimportantpasswd@mongo:27017/ulinkshortener?authSource=admin
+      - MONGO_DB_NAME=ulinkshortener
+      - NEXTAUTH_SECRET=${NEXTAUTH_SECRET}
+      - NEXTAUTH_URL=${NEXTAUTH_URL}
+    env_file:
+      - .env
     restart: unless-stopped
-    networks:
-      - app-network
 
   mongo:
     image: mongo:latest
-    volumes:
-      - mongodb_data:/data/db
-    ports:
-      - "27017:27017"
-    networks:
-      - app-network
+    container_name: ulinkshortener-mongo
+    restart: always
     environment:
-      - MONGO_INITDB_DATABASE=uLinkShortener
-    restart: unless-stopped
+      MONGO_INITDB_ROOT_USERNAME: justauser
+      MONGO_INITDB_ROOT_PASSWORD: veryimportantpasswd
+      MONGO_INITDB_DATABASE: ulinkshortener
+    command: mongod --bind_ip_all
+    volumes:
+      - mongo_data:/data/db
+      - mongo_config:/data/configdb
 
 volumes:
-  mongodb_data:
-
-networks:
-  app-network:
-    driver: bridge
+  mongo_data:
+  mongo_config:

next.config.ts

@@ -0,0 +1,7 @@
+import type { NextConfig } from 'next';
+
+const nextConfig: NextConfig = {
+  allowedDevOrigins: ['localhost', '*.marcus7i.net'],
+};
+
+export default nextConfig;

package.json

@@ -0,0 +1,35 @@
+{
+  "name": "ulinkshortener",
+  "version": "2.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev --turbopack",
+    "build": "next build",
+    "start": "next start",
+    "lint": "biome lint",
+    "lint:fix": "biome check --write .",
+    "format": "biome format . --write"
+  },
+  "dependencies": {
+    "chart.js": "^4.5.1",
+    "mongodb": "^7.0.0",
+    "next": "16.0.8",
+    "next-auth": "^4.24.13",
+    "react": "^19.2.3",
+    "react-chartjs-2": "^5.3.1",
+    "react-dom": "^19.2.3",
+    "ua-parser-js": "^2.0.7",
+    "uuid": "^13.0.0",
+    "winston": "^3.19.0"
+  },
+  "devDependencies": {
+    "@biomejs/biome": "^2.3.8",
+    "@tailwindcss/postcss": "^4.1.18",
+    "@types/node": "^24.10.3",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "@types/uuid": "^11.0.0",
+    "tailwindcss": "^4.1.18",
+    "typescript": "^5.9.3"
+  }
+}

postcss.config.mjs

@@ -0,0 +1,5 @@
+const config = {
+  plugins: ['@tailwindcss/postcss'],
+};
+
+export default config;

requirements.txt

@@ -1,4 +0,0 @@
-flask
-flask-pymongo
-python-dotenv
-requests

server.py

@@ -1,182 +0,0 @@
-from flask import Flask, request, redirect, render_template, jsonify, make_response
-from flask_pymongo import PyMongo
-from datetime import datetime
-import random
-import string
-import os
-from dotenv import load_dotenv
-import json
-from urllib.parse import quote_plus, urlparse
-
-load_dotenv()
-
-app = Flask(__name__, template_folder='template', static_folder='static', static_url_path='/static')
-app.config["MONGO_URI"] = os.getenv("MONGO_URI")
-mongo = PyMongo(app)
-
-def generate_short_id():
-    return ''.join(random.choices(string.ascii_letters + string.digits, k=8))
-
-def get_client_info():
-    user_agent = request.user_agent
-    ip_address = (request.headers.get('CF-Connecting-IP') or 
-                 request.headers.get('X-Real-IP') or 
-                 request.headers.get('X-Forwarded-For', '').split(',')[0].strip() or 
-                 request.remote_addr or 
-                 'Unknown')
-    
-    return {
-        'ip': ip_address,
-        'user_agent': user_agent.string,
-        'platform': request.headers.get('sec-ch-ua-platform', user_agent.platform or 'Unknown'),
-        'browser': user_agent.browser or 'Unknown',
-        'version': user_agent.version or '',
-        'language': request.accept_languages.best or 'Unknown',
-        'referrer': request.referrer or 'Direct',
-        'timestamp': datetime.now(),
-        'remote_port': request.environ.get('REMOTE_PORT', 'Unknown'),
-        'accept': request.headers.get('Accept', 'Unknown'),
-        'accept_language': request.headers.get('Accept-Language', 'Unknown'),
-        'accept_encoding': request.headers.get('Accept-Encoding', 'Unknown'),
-        'screen_size': request.headers.get('Sec-CH-UA-Platform-Screen', 'Unknown'),
-        'window_size': request.headers.get('Viewport-Width', 'Unknown'),
-        'country': request.headers.get('CF-IPCountry', 'Unknown'),  # If using Cloudflare
-        'isp': request.headers.get('X-ISP', 'Unknown'),  # Requires additional middleware
-        'ip_version': 'IPv6' if ':' in ip_address else 'IPv4'
-    }
-
-def is_valid_url(url):
-    if not url or url.isspace():
-        return False
-    try:
-        result = urlparse(url)
-        return all([result.scheme, result.netloc])
-    except:
-        return False
-
-@app.route('/')
-def home():
-    account_id = request.cookies.get('account_id')
-    
-    stats = {
-        'total_links': mongo.db.links.count_documents({}),
-        'total_clicks': mongo.db.analytics.count_documents({}),
-        'chart_data': {
-            'ip_versions': list(mongo.db.analytics.aggregate([
-                {"$group": {"_id": "$ip_version", "count": {"$sum": 1}}},
-                {"$sort": {"count": -1}}
-            ])),
-            'os_stats': list(mongo.db.analytics.aggregate([
-                {"$group": {"_id": "$platform", "count": {"$sum": 1}}},
-                {"$sort": {"count": -1}},
-                {"$limit": 10}
-            ])),
-            'country_stats': list(mongo.db.analytics.aggregate([
-                {"$group": {"_id": "$country", "count": {"$sum": 1}}},
-                {"$sort": {"count": -1}},
-                {"$limit": 10}
-            ])),
-            'isp_stats': list(mongo.db.analytics.aggregate([
-                {"$group": {"_id": "$isp", "count": {"$sum": 1}}},
-                {"$sort": {"count": -1}},
-                {"$limit": 10}
-            ]))
-        },
-        'logged_in': bool(account_id)
-    }
-    return render_template('index.html', stats=stats)
-
-@app.route('/register', methods=['POST'])
-def register():
-    account_id = ''.join(random.choices(string.digits, k=8))
-    while mongo.db.users.find_one({'account_id': account_id}):
-        account_id = ''.join(random.choices(string.digits, k=8))
-    
-    mongo.db.users.insert_one({'account_id': account_id})
-    response = make_response(jsonify({'account_id': account_id}))
-    response.set_cookie('account_id', account_id, max_age=31536000)
-    return response
-
-@app.route('/login', methods=['POST'])
-def login():
-    account_id = request.json.get('account_id')
-    user = mongo.db.users.find_one({'account_id': account_id})
-    if user:
-        response = make_response(jsonify({'success': True}))
-        response.set_cookie('account_id', account_id, max_age=31536000)
-        return response
-    return jsonify({'success': False}), 401
-
-@app.route('/logout', methods=['POST'])
-def logout():
-    response = make_response(jsonify({'success': True}))
-    response.delete_cookie('account_id')
-    return response
-
-@app.route('/create', methods=['POST'])
-def create_link():
-    account_id = request.json.get('account_id')
-    target_url = request.json.get('url')
-    
-    if not mongo.db.users.find_one({'account_id': account_id}):
-        return jsonify({'error': 'Invalid account'}), 401
-
-    if not is_valid_url(target_url):
-        return jsonify({'error': 'Invalid URL. Please provide a valid URL with scheme (e.g., http:// or https://)'}), 400
-
-    short_id = generate_short_id()
-    mongo.db.links.insert_one({
-        'short_id': short_id,
-        'target_url': target_url,
-        'account_id': account_id,
-        'created_at': datetime.now()
-    })
-    
-    return jsonify({'short_url': f'/l/{short_id}'})
-
-@app.route('/l/<short_id>')
-def redirect_link(short_id):
-    link = mongo.db.links.find_one({'short_id': short_id})
-    if not link:
-        return 'Link not found', 404
-
-    client_info = get_client_info()
-    mongo.db.analytics.insert_one({
-        'link_id': short_id,
-        'account_id': link['account_id'],
-        **client_info
-    })
-    
-    return redirect(link['target_url'])
-
-@app.route('/analytics/<account_id>')
-def get_analytics(account_id):
-    if not mongo.db.users.find_one({'account_id': account_id}):
-        return jsonify({'error': 'Invalid account'}), 401
-
-    links = list(mongo.db.links.find({'account_id': account_id}, {'_id': 0}))
-    analytics = list(mongo.db.analytics.find({'account_id': account_id}, {'_id': 0}))
-    
-    return jsonify({
-        'links': links,
-        'analytics': analytics
-    })
-
-@app.route('/delete/<short_id>', methods=['DELETE'])
-def delete_link(short_id):
-    account_id = request.cookies.get('account_id')
-    if not account_id:
-        return jsonify({'error': 'Not logged in'}), 401
-
-    link = mongo.db.links.find_one({'short_id': short_id, 'account_id': account_id})
-    if not link:
-        return jsonify({'error': 'Link not found or unauthorized'}), 404
-
-    # Delete the link and its analytics
-    mongo.db.links.delete_one({'short_id': short_id})
-    mongo.db.analytics.delete_many({'link_id': short_id})
-    
-    return jsonify({'success': True})
-
-if __name__ == '__main__':
-    app.run(debug=True, host="0.0.0.0", port=5000)

src/app/Home.module.css

@@ -0,0 +1,172 @@
+/* Homepage specific styles */
+.default-container {
+  width: 100%;
+  max-width: 90%;
+  margin: 0 auto;
+  padding: 0 1.5rem;
+}
+@media (min-width: 768px) {
+  .default-container {
+    max-width: 80%;
+  }
+}
+@media (min-width: 1200px) {
+  .default-container {
+    max-width: 60%;
+  }
+}
+
+/* Hero section */
+.hero-section {
+  min-height: 25vh;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  padding: 3rem 0 2rem;
+}
+
+.hero-title {
+  font-size: 3.5rem;
+  font-weight: 700;
+  margin-bottom: 1.5rem;
+  background: linear-gradient(90deg, var(--accent), #9089fc);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+.hero-description {
+  font-size: 1.25rem;
+  line-height: 1.7;
+  color: var(--text-secondary);
+  margin-bottom: 2rem;
+}
+
+.hero-cta {
+  display: inline-block;
+  background-color: var(--accent);
+  color: white;
+  padding: 0.75rem 1.5rem;
+  border-radius: 0.375rem;
+  font-weight: 500;
+  text-decoration: none;
+  transition: background-color 0.2s;
+}
+
+.hero-cta:hover {
+  background-color: var(--accent-hover);
+}
+
+/* Stats section */
+.stats-summary {
+  margin-bottom: 2rem;
+  padding: 0 1rem;
+}
+
+.stats-container {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+  gap: 2rem;
+  margin: 0 auto;
+}
+
+.stats-card {
+  background-color: var(--card-bg);
+  border-radius: 0.5rem;
+  padding: 1.5rem;
+  box-shadow: var(--card-shadow);
+  border: 1px solid var(--border-color);
+  transition:
+    transform 0.2s,
+    box-shadow 0.2s;
+  text-align: center;
+}
+
+.stats-card:hover {
+  transform: translateY(-5px);
+  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
+}
+
+.stats-card h3 {
+  font-size: 1rem;
+  margin-top: 0;
+  margin-bottom: 0.5rem;
+  color: var(--text-secondary);
+}
+
+.stats-number {
+  font-size: 2.5rem;
+  font-weight: 700;
+  margin: 0;
+  color: var(--primary-color);
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+  .stats-number {
+    font-size: 2rem;
+  }
+}
+
+/* Graphs section */
+.graphs-section {
+  padding: 2rem 0 4rem;
+}
+
+.graphs-title {
+  font-size: 2rem;
+  margin-bottom: 2rem;
+  text-align: center;
+}
+
+.graphs-container {
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: 2rem;
+}
+
+.graph-card {
+  background-color: var(--card-bg);
+  border-radius: 0.5rem;
+  padding: 1.5rem;
+  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+  border: 1px solid var(--border-color);
+  transition:
+    transform 0.2s,
+    box-shadow 0.2s;
+  height: 20rem;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.graph-card:hover {
+  transform: translateY(-5px);
+  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
+}
+
+.graph-title {
+  font-size: 1.25rem;
+  margin-bottom: 1rem;
+  color: var(--text-primary);
+}
+
+.graph-content {
+  flex: 1;
+  position: relative;
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+  .graphs-container {
+    grid-template-columns: 1fr;
+  }
+
+  .hero-title {
+    font-size: 2.5rem;
+  }
+
+  .default-container {
+    max-width: max-content;
+  }
+}

src/app/admin/AdminDashboard.module.css

@@ -0,0 +1,234 @@
+.adminContainer {
+  max-width: 75rem;
+  width: 100%;
+  margin: 0 auto;
+  padding: 2rem 1rem;
+}
+
+.adminHeader {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 2rem;
+}
+
+.adminTitle {
+  font-size: 2rem;
+  color: var(--text-primary);
+  margin: 0;
+}
+
+.actionButtons {
+  display: flex;
+  gap: 1rem;
+}
+
+.dashboardButton,
+.statsButton {
+  padding: 0.5rem 1rem;
+  border-radius: 4px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  border: none;
+}
+
+.dashboardButton {
+  background-color: var(--accent);
+  color: white;
+}
+
+.statsButton {
+  background-color: var(--success);
+  color: white;
+}
+
+.dashboardButton:hover,
+.statsButton:hover {
+  opacity: 0.9;
+  transform: translateY(-2px);
+}
+
+.statsButton:disabled {
+  background-color: var(--disabled-bg);
+  color: var(--disabled-text);
+  cursor: not-allowed;
+  transform: none;
+}
+
+.usersSection {
+  background-color: var(--card-bg);
+  border-radius: 8px;
+  padding: 1.5rem;
+  margin-bottom: 2rem;
+  border: 1px solid var(--border-color);
+}
+
+.sectionHeader {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 1.5rem;
+}
+
+.searchContainer {
+  position: relative;
+  display: flex;
+  align-items: center;
+}
+
+.searchInput {
+  padding: 0.5rem 0.75rem;
+  padding-right: 2rem;
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+  background-color: var(--input-bg);
+  color: var(--text-primary);
+  font-size: 0.9rem;
+  width: 250px;
+}
+
+.clearSearchButton {
+  position: absolute;
+  right: 0.5rem;
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  cursor: pointer;
+  font-size: 0.8rem;
+}
+
+.tableContainer {
+  overflow-x: auto;
+}
+
+.usersTable {
+  width: 100%;
+  border-collapse: collapse;
+  margin-top: 0.5rem;
+}
+
+.usersTable th,
+.usersTable td {
+  padding: 0.75rem;
+  text-align: left;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.usersTable th {
+  background-color: var(--table-header-bg);
+  color: var(--text-primary);
+  font-weight: 500;
+}
+
+.usersTable tr:last-child td {
+  border-bottom: none;
+}
+
+.usersTable tr:hover td {
+  background-color: var(--hover-bg);
+}
+
+.actions {
+  display: flex;
+  gap: 0.5rem;
+}
+
+.viewButton,
+.deleteButton {
+  padding: 0.4rem 0.6rem;
+  border-radius: 4px;
+  font-size: 0.8rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  border: none;
+}
+
+.viewButton {
+  background-color: var(--accent);
+  color: white;
+}
+
+.deleteButton {
+  background-color: var(--error);
+  color: white;
+}
+
+.viewButton:hover,
+.deleteButton:hover {
+  opacity: 0.9;
+}
+
+.noResults {
+  text-align: center;
+  padding: 2rem;
+  color: var(--text-secondary);
+  font-style: italic;
+}
+
+.loading {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  padding: 2rem;
+  color: var(--text-secondary);
+  font-size: 1rem;
+}
+
+.makeAdminButton,
+.removeAdminButton {
+  padding: 0.4rem 0.6rem;
+  border-radius: 4px;
+  font-size: 0.8rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  border: none;
+  margin-right: 0.5rem;
+}
+
+.makeAdminButton {
+  background-color: var(--success);
+  color: white;
+}
+
+.removeAdminButton {
+  background-color: var(--warning);
+  color: white;
+}
+
+.makeAdminButton:hover,
+.removeAdminButton:hover {
+  opacity: 0.9;
+}
+
+@media (max-width: 768px) {
+  .adminHeader {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 1rem;
+  }
+
+  .actionButtons {
+    width: 100%;
+  }
+
+  .sectionHeader {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 1rem;
+  }
+
+  .searchContainer {
+    width: 100%;
+  }
+
+  .searchInput {
+    width: 100%;
+  }
+
+  .actions {
+    flex-direction: column;
+  }
+}

src/app/admin/page.tsx

@@ -0,0 +1,277 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { useSession } from 'next-auth/react';
+import { useRouter } from 'next/navigation';
+import Link from 'next/link';
+import ConfirmModal from '@/components/ui/ConfirmModal';
+import { useToast } from '@/contexts/ToastContext';
+import styles from './AdminDashboard.module.css';
+import type { User } from '@/types/user';
+
+export default function AdminDashboard() {
+  const { data: session, status } = useSession();
+  const router = useRouter();
+  const { showToast } = useToast();
+
+  const [users, setUsers] = useState<User[]>([]);
+  const [filteredUsers, setFilteredUsers] = useState<User[]>([]);
+  const [searchTerm, setSearchTerm] = useState('');
+  const [loading, setLoading] = useState(true);
+  const [userToDelete, setUserToDelete] = useState<string | null>(null);
+  const [isDeleteModalOpen, setIsDeleteModalOpen] = useState(false);
+  const [isRecreatingStats, setIsRecreatingStats] = useState(false);
+
+  useEffect(() => {
+    if (status === 'unauthenticated' || (status === 'authenticated' && !session?.user?.isAdmin)) {
+      router.push('/dashboard');
+    }
+  }, [status, session, router]);
+
+  useEffect(() => {
+    if (session?.user?.isAdmin) {
+      fetchUsers();
+    }
+  }, [session]);
+
+  useEffect(() => {
+    if (!searchTerm.trim()) {
+      setFilteredUsers(users);
+      return;
+    }
+
+    const term = searchTerm.toLowerCase();
+    const filtered = users.filter(
+      user =>
+        user.account_id.toLowerCase().includes(term) ||
+        user.created_at.toLocaleString().toLowerCase().includes(term) ||
+        (user.is_admin ? 'admin' : 'user').includes(term)
+    );
+
+    setFilteredUsers(filtered);
+  }, [searchTerm, users]);
+
+  const fetchUsers = async () => {
+    try {
+      setLoading(true);
+      const response = await fetch('/api/admin/users');
+
+      if (!response.ok) {
+        throw new Error('Failed to fetch users');
+      }
+
+      const data = await response.json();
+
+      if (data.success) {
+        const processedUsers = data.users.map((user: User) => ({
+          account_id: user.account_id,
+          is_admin: user.is_admin,
+          created_at: new Date(user.created_at),
+        }));
+
+        setUsers(processedUsers);
+        setFilteredUsers(processedUsers);
+      } else {
+        showToast(data.message || 'Failed to load users', 'error');
+      }
+    } catch (error) {
+      console.error('Error fetching users:', error);
+      showToast('Failed to load users', 'error');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleDeleteUser = async () => {
+    if (!userToDelete) return;
+
+    try {
+      const response = await fetch('/api/admin/users', {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ account_id: userToDelete }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('User deleted successfully', 'success');
+        setUsers(prevUsers => prevUsers.filter(user => user.account_id !== userToDelete));
+      } else {
+        showToast(data.message || 'Failed to delete user', 'error');
+      }
+    } catch (error) {
+      console.error('Error deleting user:', error);
+      showToast('Failed to delete user', 'error');
+    } finally {
+      setUserToDelete(null);
+      setIsDeleteModalOpen(false);
+    }
+  };
+
+  const confirmDeleteUser = (accountId: string) => {
+    setUserToDelete(accountId);
+    setIsDeleteModalOpen(true);
+  };
+
+  const handleRecreateStatistics = async () => {
+    try {
+      setIsRecreatingStats(true);
+      const response = await fetch('/api/admin/statistics/rebuild', {
+        method: 'POST',
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('Statistics recreated successfully', 'success');
+      } else {
+        showToast(data.message || 'Failed to recreate statistics', 'error');
+      }
+    } catch (error) {
+      console.error('Error recreating statistics:', error);
+      showToast('Failed to recreate statistics', 'error');
+    } finally {
+      setIsRecreatingStats(false);
+    }
+  };
+
+  const handleToggleAdminStatus = async (accountId: string) => {
+    try {
+      const response = await fetch(`/api/admin/users/${accountId}/admin`, {
+        method: 'POST',
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast(data.message, 'success');
+        setUsers(prevUsers =>
+          prevUsers.map(user =>
+            user.account_id === accountId ? { ...user, is_admin: data.is_admin } : user
+          )
+        );
+      } else {
+        showToast(data.message || 'Failed to toggle admin status', 'error');
+      }
+    } catch (error) {
+      console.error('Error toggling admin status:', error);
+      showToast('Failed to toggle admin status', 'error');
+    }
+  };
+
+  if (status === 'loading' || loading) {
+    return <div className={styles.loading}>Loading...</div>;
+  }
+
+  if (status === 'unauthenticated' || (status === 'authenticated' && !session?.user?.isAdmin)) {
+    return null;
+  }
+
+  return (
+    <div className={styles.adminContainer}>
+      <header className={styles.adminHeader}>
+        <h1 className={styles.adminTitle}>Admin Dashboard</h1>
+        <div className={styles.actionButtons}>
+          <Link href='/dashboard'>
+            <button className={styles.dashboardButton}>Back to Dashboard</button>
+          </Link>
+          <button
+            className={styles.statsButton}
+            onClick={handleRecreateStatistics}
+            disabled={isRecreatingStats}
+          >
+            {isRecreatingStats ? 'Recreating...' : 'Recreate Statistics'}
+          </button>
+        </div>
+      </header>
+
+      <section className={styles.usersSection}>
+        <div className={styles.sectionHeader}>
+          <h2>Manage Users</h2>
+          <div className={styles.searchContainer}>
+            <input
+              type='text'
+              placeholder='Search users...'
+              value={searchTerm}
+              onChange={e => setSearchTerm(e.target.value)}
+              className={styles.searchInput}
+            />
+            {searchTerm && (
+              <button
+                className={styles.clearSearchButton}
+                onClick={() => setSearchTerm('')}
+                title='Clear search'
+              >
+                ✕
+              </button>
+            )}
+          </div>
+        </div>
+
+        {filteredUsers.length === 0 ? (
+          <div className={styles.noResults}>
+            {searchTerm ? 'No users match your search' : 'No users available'}
+          </div>
+        ) : (
+          <div className={styles.tableContainer}>
+            <table className={styles.usersTable}>
+              <thead>
+                <tr>
+                  <th>Account ID</th>
+                  <th>Created</th>
+                  <th>Role</th>
+                  <th>Actions</th>
+                </tr>
+              </thead>
+              <tbody>
+                {filteredUsers.map(user => (
+                  <tr key={user.account_id}>
+                    <td>{user.account_id}</td>
+                    <td>{user.created_at.toLocaleString()}</td>
+                    <td>{user.is_admin ? 'Admin' : 'User'}</td>
+                    <td className={styles.actions}>
+                      <Link href={`/admin/user/${user.account_id}`}>
+                        <button className={styles.viewButton}>View Details</button>
+                      </Link>
+
+                      {user.account_id !== session?.user?.accountId && (
+                        <button
+                          className={
+                            user.is_admin ? styles.removeAdminButton : styles.makeAdminButton
+                          }
+                          onClick={() => handleToggleAdminStatus(user.account_id)}
+                        >
+                          {user.is_admin ? 'Remove Admin' : 'Make Admin'}
+                        </button>
+                      )}
+
+                      {!user.is_admin && (
+                        <button
+                          className={styles.deleteButton}
+                          onClick={() => confirmDeleteUser(user.account_id)}
+                        >
+                          Delete
+                        </button>
+                      )}
+                    </td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+        )}
+      </section>
+
+      <ConfirmModal
+        isOpen={isDeleteModalOpen}
+        title='Delete User'
+        message='Are you sure you want to delete this user? This will permanently remove their account and all associated data including links and analytics. This action cannot be undone.'
+        onConfirm={handleDeleteUser}
+        onCancel={() => setIsDeleteModalOpen(false)}
+      />
+    </div>
+  );
+}

src/app/admin/user/[accountId]/UserDetail.module.css

@@ -0,0 +1,178 @@
+.container {
+  max-width: 75rem;
+  width: 100%;
+  margin: 0 auto;
+  padding: 2rem 1rem;
+}
+
+.header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 2rem;
+}
+
+.title {
+  font-size: 2rem;
+  color: var(--text-primary);
+  margin: 0;
+}
+
+.actionButtons {
+  display: flex;
+  gap: 1rem;
+}
+
+.backButton,
+.deleteButton {
+  padding: 0.5rem 1rem;
+  border-radius: 4px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  border: none;
+}
+
+.backButton {
+  background-color: var(--accent);
+  color: white;
+}
+
+.deleteButton {
+  background-color: var(--error);
+  color: white;
+}
+
+.backButton:hover,
+.deleteButton:hover {
+  opacity: 0.9;
+  transform: translateY(-2px);
+}
+
+.userInfo,
+.linksSection,
+.sessionsSection {
+  background-color: var(--card-bg);
+  border-radius: 8px;
+  padding: 1.5rem;
+  margin-bottom: 2rem;
+  border: 1px solid var(--border-color);
+}
+
+.infoCard {
+  background-color: var(--card-secondary-bg);
+  border-radius: 6px;
+  padding: 1rem;
+  margin-top: 1rem;
+}
+
+.infoRow {
+  display: flex;
+  margin-bottom: 0.5rem;
+  padding-bottom: 0.5rem;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.infoRow:last-child {
+  margin-bottom: 0;
+  padding-bottom: 0;
+  border-bottom: none;
+}
+
+.infoLabel {
+  width: 120px;
+  font-weight: 500;
+  color: var(--text-secondary);
+}
+
+.infoValue {
+  flex: 1;
+  color: var(--text-primary);
+}
+
+.noItems {
+  text-align: center;
+  padding: 2rem;
+  color: var(--text-secondary);
+  font-style: italic;
+}
+
+.tableContainer {
+  overflow-x: auto;
+}
+
+.sessionsTable {
+  width: 100%;
+  border-collapse: collapse;
+  margin-top: 0.5rem;
+}
+
+.sessionsTable th,
+.sessionsTable td {
+  padding: 0.75rem;
+  text-align: left;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.sessionsTable th {
+  background-color: var(--table-header-bg);
+  color: var(--text-primary);
+  font-weight: 500;
+}
+
+.sessionsTable tr:last-child td {
+  border-bottom: none;
+}
+
+.sessionsTable tr:hover td {
+  background-color: var(--hover-bg);
+}
+
+.revokeButton {
+  padding: 0.4rem 0.6rem;
+  border-radius: 4px;
+  font-size: 0.8rem;
+  background-color: var(--error);
+  color: white;
+  border: none;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.revokeButton:hover {
+  opacity: 0.9;
+}
+
+.revokeButton:disabled {
+  background-color: var(--disabled-bg);
+  color: var(--disabled-text);
+  cursor: not-allowed;
+}
+
+.loading {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  padding: 2rem;
+  color: var(--text-secondary);
+  font-size: 1rem;
+}
+
+.error {
+  text-align: center;
+  padding: 2rem;
+  color: var(--error);
+  font-size: 1rem;
+}
+
+@media (max-width: 768px) {
+  .header {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 1rem;
+  }
+
+  .actionButtons {
+    width: 100%;
+  }
+}

src/app/admin/user/[accountId]/links/[shortId]/AdminLinkDetail.module.css

@@ -0,0 +1,344 @@
+.container {
+  width: 100%;
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 2rem 1rem;
+}
+
+.header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 1.5rem;
+}
+
+.titleSection {
+  display: flex;
+  flex-direction: column;
+}
+
+.title {
+  font-size: 2rem;
+  margin: 0;
+  color: var(--text-primary);
+}
+
+.breadcrumbs {
+  font-size: 0.9rem;
+  color: var(--text-secondary);
+  margin-top: 0.5rem;
+}
+
+.breadcrumbLink {
+  color: var(--accent);
+  text-decoration: none;
+  margin: 0 0.25rem;
+}
+
+.breadcrumbLink:hover {
+  text-decoration: underline;
+}
+
+.breadcrumbCurrent {
+  color: var(--text-primary);
+  margin: 0 0.25rem;
+}
+
+.backLink {
+  padding: 0.5rem 1rem;
+  border-radius: 4px;
+  background-color: var(--accent);
+  color: var(--text-primary);
+  text-decoration: none;
+  font-weight: 500;
+  transition: all 0.2s ease;
+}
+
+.backLink:hover {
+  opacity: 0.9;
+  transform: translateY(-2px);
+}
+
+.userInfo {
+  background-color: var(--card-bg);
+  border-radius: 8px;
+  padding: 1rem 1.5rem;
+  margin-bottom: 1.5rem;
+  display: flex;
+  align-items: center;
+  border-left: 4px solid var(--accent);
+}
+
+.label {
+  font-weight: 600;
+  color: var(--text-secondary);
+  margin-right: 0.5rem;
+}
+
+.value {
+  color: var(--text-primary);
+  word-break: break-all;
+}
+
+.linkInfo {
+  margin-bottom: 2rem;
+}
+
+.linkCard {
+  background-color: var(--card-bg);
+  border-radius: 0.5rem;
+  padding: 1.5rem;
+  box-shadow: var(--card-shadow);
+}
+
+.linkCard h2 {
+  margin-top: 0;
+  margin-bottom: 1.5rem;
+  color: var(--text-primary);
+  font-size: 1.5rem;
+}
+
+.linkDetails {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+}
+
+.linkDetailItem {
+  display: flex;
+  flex-direction: column;
+}
+
+.shortUrl {
+  color: var(--primary-color);
+  word-break: break-all;
+  text-decoration: none;
+}
+
+.shortUrl:hover {
+  text-decoration: underline;
+}
+
+.defaultButton {
+  background-color: transparent;
+  color: var(--primary-color);
+  border: 1px solid var(--primary-color);
+  border-radius: 0.25rem;
+  padding: 0.25rem 0.5rem;
+  font-size: 0.75rem;
+  cursor: pointer;
+}
+
+.defaultButton:hover {
+  background-color: var(--primary-color);
+  color: white;
+}
+
+.targetUrlSection {
+  margin-top: 0.5rem;
+}
+
+.targetUrlHeader {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 0.5rem;
+}
+
+.editButton {
+  background-color: transparent;
+  color: var(--primary-color);
+  border: 1px solid var(--primary-color);
+  border-radius: 0.25rem;
+  padding: 0.25rem 0.5rem;
+  font-size: 0.75rem;
+  cursor: pointer;
+}
+
+.editButton:hover {
+  background-color: var(--primary-color);
+  color: white;
+}
+
+.targetUrl {
+  color: var(--text-primary);
+  word-break: break-all;
+  text-decoration: none;
+}
+
+.targetUrl:hover {
+  text-decoration: underline;
+  color: var(--primary-color);
+}
+
+.editForm {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.urlInput {
+  width: 100%;
+  padding: 0.5rem;
+  border: 1px solid var(--border-color);
+  border-radius: 0.25rem;
+  background-color: var(--input-bg);
+  color: var(--text-primary);
+}
+
+.editActions {
+  display: flex;
+  gap: 0.5rem;
+  justify-content: flex-end;
+}
+
+.cancelButton {
+  background-color: transparent;
+  color: var(--text-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: 0.25rem;
+  padding: 0.5rem 0.75rem;
+  cursor: pointer;
+}
+
+.cancelButton:hover {
+  background-color: var(--border-color);
+}
+
+.saveButton {
+  background-color: var(--primary-color);
+  color: white;
+  border: none;
+  border-radius: 0.25rem;
+  padding: 0.5rem 0.75rem;
+  cursor: pointer;
+}
+
+.saveButton:hover {
+  background-color: var(--primary-dark);
+}
+
+.analyticsSection {
+  margin-top: 2rem;
+}
+
+.analyticsHeader {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 1.5rem;
+  flex-wrap: wrap;
+  gap: 1rem;
+}
+
+.analyticsHeader h2 {
+  margin: 0;
+  color: var(--text-primary);
+  font-size: 1.5rem;
+}
+
+.totalClicks {
+  color: var(--text-secondary);
+  font-weight: 600;
+}
+
+.deleteAllButton {
+  background-color: transparent;
+  color: var(--error);
+  border: 1px solid var(--error);
+  border-radius: 0.25rem;
+  padding: 0.25rem 0.5rem;
+  font-size: 1rem;
+  cursor: pointer;
+}
+
+.deleteAllButton:hover {
+  background-color: var(--error);
+  color: white;
+}
+
+.graphs {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
+  gap: 1rem;
+  margin-bottom: 2rem;
+}
+
+.graphCard {
+  background-color: var(--card-bg);
+  border-radius: 0.5rem;
+  padding: 1rem;
+  box-shadow: var(--card-shadow);
+}
+
+.graphCard h3 {
+  margin-top: 0;
+  margin-bottom: 1rem;
+  color: var(--text-primary);
+  font-size: 1rem;
+  text-align: center;
+}
+
+.noAnalytics {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  background-color: var(--card-bg);
+  border-radius: 0.5rem;
+  padding: 2rem;
+  box-shadow: var(--card-shadow);
+}
+
+.noAnalytics p {
+  color: var(--text-secondary);
+  font-size: 1rem;
+  text-align: center;
+}
+
+.loadingContainer {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  min-height: 300px;
+  gap: 1rem;
+}
+
+.loader {
+  border: 4px solid rgba(0, 0, 0, 0.1);
+  border-left-color: var(--primary-color);
+  border-radius: 50%;
+  width: 40px;
+  height: 40px;
+  animation: spin 1s linear infinite;
+}
+
+.error {
+  text-align: center;
+  color: var(--error);
+  font-size: 1.2rem;
+  margin-top: 2rem;
+}
+
+@keyframes spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@media (max-width: 768px) {
+  .header {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 1rem;
+  }
+
+  .analyticsHeader {
+    flex-direction: column;
+    align-items: flex-start;
+  }
+
+  .graphs {
+    grid-template-columns: 1fr;
+  }
+}

src/app/admin/user/[accountId]/links/[shortId]/page.tsx

@@ -0,0 +1,573 @@
+'use client';
+
+import { useState, useEffect, useRef } from 'react';
+import { useSession } from 'next-auth/react';
+import { useParams, useRouter } from 'next/navigation';
+import Link from 'next/link';
+import { useToast } from '@/contexts/ToastContext';
+import ConfirmModal from '@/components/ui/ConfirmModal';
+import AnalyticsTable from '@/components/ui/dashboard/link/AnalyticsTable';
+import Graph from '@/components/ui/Graph';
+import styles from './AdminLinkDetail.module.css';
+import type { Link as LinkType } from '@/types/link';
+import type { Analytics } from '@/types/analytics';
+import type { StatItem } from '@/types/statistics';
+
+export default function AdminLinkDetailPage() {
+  const { data: session, status } = useSession();
+  const params = useParams();
+  const router = useRouter();
+  const { showToast } = useToast();
+  const accountId = params.accountId as string;
+  const shortId = params.shortId as string;
+
+  const [link, setLink] = useState<LinkType | null>(null);
+  const [targetUrl, setTargetUrl] = useState('');
+  const [isEditing, setIsEditing] = useState(false);
+  const inputRef = useRef<HTMLInputElement>(null);
+  const [isLoading, setIsLoading] = useState(true);
+  const [allAnalytics, setAllAnalytics] = useState<Analytics[]>([]);
+  const [analytics, setAnalytics] = useState<Analytics[]>([]);
+  const [totalAnalytics, setTotalAnalytics] = useState(0);
+  const [page, setPage] = useState(1);
+  const [limit] = useState(15);
+  const [showDeleteModal, setShowDeleteModal] = useState(false);
+  const [showDeleteAllModal, setShowDeleteAllModal] = useState(false);
+  const [analyticsToDelete, setAnalyticsToDelete] = useState<string>('');
+  const [isLoadingStats, setIsLoadingStats] = useState(true);
+  const isRedirecting = useRef(false);
+
+  // Stats data
+  const [browserStats, setBrowserStats] = useState<StatItem[]>([]);
+  const [osStats, setOsStats] = useState<StatItem[]>([]);
+  const [countryStats, setCountryStats] = useState<StatItem[]>([]);
+  const [ipVersionStats, setIpVersionStats] = useState<StatItem[]>([]);
+
+  useEffect(() => {
+    if (status === 'unauthenticated' || (status === 'authenticated' && !session?.user?.isAdmin)) {
+      router.push('/dashboard');
+    }
+  }, [status, session, router]);
+
+  function isValidUrl(urlStr: string): boolean {
+    if (urlStr.trim() === '') {
+      return false;
+    }
+
+    try {
+      const parsedUrl = new URL(urlStr);
+      return parsedUrl.protocol !== '' && parsedUrl.hostname !== '';
+    } catch {
+      return false;
+    }
+  }
+
+  useEffect(() => {
+    if (isEditing && inputRef.current) {
+      setTimeout(() => {
+        inputRef.current?.focus();
+      }, 10);
+    }
+  }, [isEditing]);
+
+  useEffect(() => {
+    if (isRedirecting.current || status !== 'authenticated' || !session?.user?.isAdmin) return;
+
+    async function fetchLinkData() {
+      try {
+        setIsLoading(true);
+        const response = await fetch(`/api/admin/users/${accountId}/links/${shortId}`);
+        if (!response.ok) {
+          showToast('Failed to load link details', 'error');
+          isRedirecting.current = true;
+          router.push(`/admin/user/${accountId}`);
+          return;
+        }
+
+        const data = await response.json();
+        if (data.success && data.link) {
+          setLink(data.link);
+          setTargetUrl(data.link.target_url);
+        } else {
+          showToast(data.message || 'Link not found', 'error');
+          isRedirecting.current = true;
+          router.push(`/admin/user/${accountId}`);
+        }
+      } catch {
+        showToast('An error occurred while loading link details', 'error');
+        isRedirecting.current = true;
+        router.push(`/admin/user/${accountId}`);
+      } finally {
+        setIsLoading(false);
+      }
+    }
+
+    fetchLinkData();
+  }, [shortId, accountId, router, showToast, session, status]);
+
+  useEffect(() => {
+    if (!link || status !== 'authenticated' || !session?.user?.isAdmin) return;
+
+    async function fetchAllAnalytics() {
+      try {
+        const response = await fetch(
+          `/api/admin/users/${accountId}/links/${shortId}/analytics?all=true`
+        );
+        if (!response.ok) {
+          showToast('Failed to load complete analytics data', 'error');
+          return;
+        }
+
+        const data = await response.json();
+        if (data.success) {
+          setAllAnalytics(data.analytics);
+          setTotalAnalytics(data.pagination.total);
+        }
+      } catch {
+        showToast('An error occurred while loading complete analytics data', 'error');
+      }
+    }
+
+    fetchAllAnalytics();
+  }, [link, shortId, accountId, showToast, session, status]);
+
+  useEffect(() => {
+    if (!link || status !== 'authenticated' || !session?.user?.isAdmin) return;
+
+    async function fetchPaginatedAnalytics() {
+      try {
+        const response = await fetch(
+          `/api/admin/users/${accountId}/links/${shortId}/analytics?page=${page}&limit=${limit}`
+        );
+        if (!response.ok) {
+          showToast('Failed to load analytics page', 'error');
+          return;
+        }
+
+        const data = await response.json();
+        if (data.success) {
+          setAnalytics(data.analytics);
+        }
+      } catch {
+        showToast('An error occurred while loading analytics page', 'error');
+      }
+    }
+
+    fetchPaginatedAnalytics();
+  }, [link, shortId, accountId, page, limit, showToast, session, status]);
+
+  useEffect(() => {
+    if (!link || allAnalytics.length === 0) return;
+
+    async function generateStats() {
+      setIsLoadingStats(true);
+      try {
+        // Browser stats
+        const browsers = allAnalytics.reduce((acc: Record<string, number>, item) => {
+          const browser = item.browser || 'Unknown';
+          acc[browser] = (acc[browser] || 0) + 1;
+          return acc;
+        }, {});
+
+        // OS stats
+        const oses = allAnalytics.reduce((acc: Record<string, number>, item) => {
+          const os = item.platform || 'Unknown';
+          acc[os] = (acc[os] || 0) + 1;
+          return acc;
+        }, {});
+
+        // Country stats
+        const countries = allAnalytics.reduce((acc: Record<string, number>, item) => {
+          const country = item.country || 'Unknown';
+          acc[country] = (acc[country] || 0) + 1;
+          return acc;
+        }, {});
+
+        // IP version stats
+        const ipVersions = allAnalytics.reduce((acc: Record<string, number>, item) => {
+          const ipVersion = item.ip_version || 'Unknown';
+          acc[ipVersion] = (acc[ipVersion] || 0) + 1;
+          return acc;
+        }, {});
+
+        // Convert to StatItem[] and sort by count
+        setBrowserStats(
+          Object.entries(browsers)
+            .map(([id, count]) => ({ id, count }))
+            .sort((a, b) => b.count - a.count)
+        );
+
+        setOsStats(
+          Object.entries(oses)
+            .map(([id, count]) => ({ id, count }))
+            .sort((a, b) => b.count - a.count)
+        );
+
+        setCountryStats(
+          Object.entries(countries)
+            .map(([id, count]) => ({ id, count }))
+            .sort((a, b) => b.count - a.count)
+        );
+
+        setIpVersionStats(
+          Object.entries(ipVersions)
+            .map(([id, count]) => ({ id, count }))
+            .sort((a, b) => b.count - a.count)
+        );
+      } catch {
+        showToast('An error occurred while processing analytics data', 'error');
+      } finally {
+        setIsLoadingStats(false);
+      }
+    }
+
+    generateStats();
+  }, [allAnalytics, link, showToast]);
+
+  const handlePageChange = (newPage: number) => {
+    setPage(newPage);
+  };
+
+  const handleEditLink = async () => {
+    if (!isValidUrl(targetUrl)) {
+      showToast('Please enter a valid URL', 'error');
+      return;
+    }
+
+    try {
+      const response = await fetch(`/api/admin/users/${accountId}/links/${shortId}`, {
+        method: 'PATCH',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          target_url: targetUrl,
+        }),
+      });
+
+      const data = await response.json();
+
+      if (data.success) {
+        showToast('Link updated successfully', 'success');
+        setIsEditing(false);
+        if (link) {
+          setLink({
+            ...link,
+            target_url: targetUrl,
+            last_modified: new Date(),
+          });
+        }
+      } else {
+        showToast(data.message || 'Failed to update link', 'error');
+      }
+    } catch {
+      showToast('An error occurred while updating the link', 'error');
+    }
+  };
+
+  const handleDeleteAnalytics = async () => {
+    try {
+      const response = await fetch(`/api/admin/users/${accountId}/links/${shortId}/analytics`, {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          analytics_id: analyticsToDelete,
+        }),
+      });
+
+      const data = await response.json();
+
+      if (data.success) {
+        showToast('Analytics entry deleted successfully', 'success');
+
+        setAnalytics(analytics.filter(item => item._id?.toString() !== analyticsToDelete));
+
+        setTotalAnalytics(prev => prev - 1);
+      } else {
+        showToast(data.message || 'Failed to delete analytics entry', 'error');
+      }
+    } catch {
+      showToast('An error occurred while deleting the analytics entry', 'error');
+    } finally {
+      setShowDeleteModal(false);
+      setAnalyticsToDelete('');
+    }
+  };
+
+  const handleDeleteAllAnalytics = async () => {
+    try {
+      const response = await fetch(`/api/admin/users/${accountId}/links/${shortId}/analytics`, {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          delete_all: true,
+        }),
+      });
+
+      const data = await response.json();
+
+      if (data.success) {
+        showToast('All analytics entries deleted successfully', 'success');
+
+        setAnalytics([]);
+        setTotalAnalytics(0);
+        setBrowserStats([]);
+        setOsStats([]);
+        setCountryStats([]);
+        setIpVersionStats([]);
+      } else {
+        showToast(data.message || 'Failed to delete all analytics entries', 'error');
+      }
+    } catch {
+      showToast('An error occurred while deleting all analytics entries', 'error');
+    } finally {
+      setShowDeleteAllModal(false);
+    }
+  };
+
+  if (status === 'loading' || isLoading) {
+    return (
+      <div className={styles.loadingContainer}>
+        <div className={styles.loader}></div>
+        <p>Loading link details...</p>
+      </div>
+    );
+  }
+
+  if (status === 'unauthenticated' || (status === 'authenticated' && !session?.user?.isAdmin)) {
+    return null;
+  }
+
+  if (!link) {
+    return (
+      <div className={styles.error}>
+        Link not found or you don&apos;t have permission to view it.
+      </div>
+    );
+  }
+
+  return (
+    <div className={styles.container}>
+      <div className={styles.header}>
+        <div className={styles.titleSection}>
+          <h1 className={styles.title}>Admin Link Management</h1>
+          <div className={styles.breadcrumbs}>
+            <Link href='/admin' className={styles.breadcrumbLink}>
+              Admin
+            </Link>{' '}
+            &gt;
+            <Link href={`/admin/user/${accountId}`} className={styles.breadcrumbLink}>
+              User
+            </Link>{' '}
+            &gt;
+            <span className={styles.breadcrumbCurrent}>Link {shortId}</span>
+          </div>
+        </div>
+        <Link href={`/admin/user/${accountId}`} className={styles.backLink}>
+          Back to User
+        </Link>
+      </div>
+
+      <div className={styles.userInfo}>
+        <span className={styles.label}>Managing link for User ID:</span>
+        <span className={styles.value}>{accountId}</span>
+      </div>
+
+      <div className={styles.linkInfo}>
+        <div className={styles.linkCard}>
+          <h2>Link Information</h2>
+          <div className={styles.linkDetails}>
+            <div className={styles.linkDetailItem}>
+              <span className={styles.label}>Short ID:</span>
+              <span className={styles.value}>{shortId}</span>
+            </div>
+
+            <div className={styles.targetUrlHeader}>
+              <div className={styles.linkDetailItem}>
+                <span className={styles.label}>Short URL:</span>
+                <a
+                  href={`${window.location.origin}/l/${shortId}`}
+                  target='_blank'
+                  rel='noopener noreferrer'
+                  className={styles.shortUrl}
+                >
+                  {`${window.location.origin}/l/${shortId}`}
+                </a>
+              </div>
+              <button
+                className={styles.defaultButton}
+                onClick={() => {
+                  navigator.clipboard.writeText(`${window.location.origin}/l/${shortId}`);
+                  showToast('URL copied to clipboard', 'success');
+                }}
+              >
+                Copy
+              </button>
+            </div>
+
+            <div className={styles.linkDetailItem}>
+              <span className={styles.label}>Created:</span>
+              <span className={styles.value}>
+                {link.created_at instanceof Date
+                  ? link.created_at.toLocaleString()
+                  : new Date(link.created_at).toLocaleString()}
+              </span>
+            </div>
+
+            <div className={styles.linkDetailItem}>
+              <span className={styles.label}>Last Modified:</span>
+              <span className={styles.value}>
+                {link.last_modified instanceof Date
+                  ? link.last_modified.toLocaleString()
+                  : new Date(link.last_modified).toLocaleString()}
+              </span>
+            </div>
+
+            <div className={styles.targetUrlSection}>
+              <div className={styles.targetUrlHeader}>
+                <span className={styles.label}>Target URL:</span>
+                {!isEditing && (
+                  <button className={styles.editButton} onClick={() => setIsEditing(true)}>
+                    Edit
+                  </button>
+                )}
+              </div>
+
+              {isEditing ? (
+                <form
+                  onSubmit={e => {
+                    e.preventDefault();
+                    handleEditLink();
+                  }}
+                  className={styles.editForm}
+                >
+                  <input
+                    ref={inputRef}
+                    type='url'
+                    value={targetUrl}
+                    onChange={e => setTargetUrl(e.target.value)}
+                    className={styles.urlInput}
+                    placeholder='https://example.com'
+                  />
+                  <div className={styles.editActions}>
+                    <button
+                      type='button'
+                      className={styles.cancelButton}
+                      onClick={() => {
+                        setIsEditing(false);
+                        setTargetUrl(link?.target_url || '');
+                      }}
+                    >
+                      Cancel
+                    </button>
+                    <button type='submit' className={styles.saveButton}>
+                      Save
+                    </button>
+                  </div>
+                </form>
+              ) : (
+                <a
+                  href={link.target_url}
+                  target='_blank'
+                  rel='noopener noreferrer'
+                  className={styles.targetUrl}
+                >
+                  {link.target_url}
+                </a>
+              )}
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div className={styles.analyticsSection}>
+        <div className={styles.analyticsHeader}>
+          <h2>Analytics</h2>
+          <span className={styles.totalClicks}>Total Clicks: {totalAnalytics}</span>
+          {totalAnalytics > 0 && (
+            <button className={styles.deleteAllButton} onClick={() => setShowDeleteAllModal(true)}>
+              Delete All Analytics
+            </button>
+          )}
+        </div>
+
+        {totalAnalytics > 0 ? (
+          <>
+            <div className={styles.graphs}>
+              <div className={styles.graphCard}>
+                <h3>Browsers</h3>
+                <Graph type='doughnut' data={browserStats} loading={isLoadingStats} height={200} />
+              </div>
+
+              <div className={styles.graphCard}>
+                <h3>Operating Systems</h3>
+                <Graph type='doughnut' data={osStats} loading={isLoadingStats} height={200} />
+              </div>
+
+              <div className={styles.graphCard}>
+                <h3>Countries</h3>
+                <Graph type='doughnut' data={countryStats} loading={isLoadingStats} height={200} />
+              </div>
+
+              <div className={styles.graphCard}>
+                <h3>IP Versions</h3>
+                <Graph
+                  type='doughnut'
+                  data={ipVersionStats}
+                  loading={isLoadingStats}
+                  height={200}
+                />
+              </div>
+            </div>
+
+            <AnalyticsTable
+              analytics={analytics}
+              allAnalytics={allAnalytics}
+              totalItems={totalAnalytics}
+              currentPage={page}
+              itemsPerPage={limit}
+              onPageChange={handlePageChange}
+              onDeleteClick={id => {
+                setAnalyticsToDelete(id);
+                setShowDeleteModal(true);
+              }}
+            />
+          </>
+        ) : (
+          <div className={styles.noAnalytics}>
+            <p>No clicks recorded yet for this link.</p>
+          </div>
+        )}
+      </div>
+
+      {/* Confirm Delete Modal */}
+      <ConfirmModal
+        isOpen={showDeleteModal}
+        title='Delete Analytics Entry'
+        message='Are you sure you want to delete this analytics entry? This action cannot be undone.'
+        confirmLabel='Delete'
+        cancelLabel='Cancel'
+        onConfirm={handleDeleteAnalytics}
+        onCancel={() => {
+          setShowDeleteModal(false);
+          setAnalyticsToDelete('');
+        }}
+      />
+
+      {/* Confirm Delete All Modal */}
+      <ConfirmModal
+        isOpen={showDeleteAllModal}
+        title='Delete All Analytics'
+        message='Are you sure you want to delete all analytics for this link? This action cannot be undone.'
+        confirmLabel='Delete All'
+        cancelLabel='Cancel'
+        onConfirm={handleDeleteAllAnalytics}
+        onCancel={() => setShowDeleteAllModal(false)}
+      />
+    </div>
+  );
+}

src/app/admin/user/[accountId]/page.tsx

@@ -0,0 +1,236 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { useParams, useRouter } from 'next/navigation';
+import { useSession } from 'next-auth/react';
+import Link from 'next/link';
+import AdminLinkTable from '@/components/ui/admin/AdminLinkTable';
+import ConfirmModal from '@/components/ui/ConfirmModal';
+import { useToast } from '@/contexts/ToastContext';
+import styles from './UserDetail.module.css';
+import type { User } from '@/types/user';
+import type { SessionInfo } from '@/types/session';
+
+export default function UserDetailPage() {
+  const params = useParams();
+  const router = useRouter();
+  const { data: session, status } = useSession();
+  const { showToast } = useToast();
+  const accountId = params.accountId as string;
+
+  const [user, setUser] = useState<User | null>(null);
+  const [links, setLinks] = useState([]);
+  const [sessions, setSessions] = useState<SessionInfo[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [revoking, setRevoking] = useState<string | null>(null);
+  const [isDeleteModalOpen, setIsDeleteModalOpen] = useState(false);
+
+  useEffect(() => {
+    if (status === 'unauthenticated' || (status === 'authenticated' && !session?.user?.isAdmin)) {
+      router.push('/dashboard');
+    }
+  }, [status, session, router]);
+
+  useEffect(() => {
+    if (status === 'authenticated' && session?.user?.isAdmin) {
+      fetchUserData();
+    }
+  }, [status, session, accountId]);
+
+  const fetchUserData = async () => {
+    try {
+      setLoading(true);
+      const userResponse = await fetch(`/api/admin/users/${accountId}`);
+
+      if (!userResponse.ok) {
+        throw new Error('Failed to fetch user details');
+      }
+
+      const userData = await userResponse.json();
+      if (userData.success) {
+        setUser(userData.user);
+
+        const linksResponse = await fetch(`/api/admin/users/${accountId}/links`);
+        const linksData = await linksResponse.json();
+
+        if (linksResponse.ok && linksData.success) {
+          setLinks(linksData.links);
+        }
+
+        const sessionsResponse = await fetch(`/api/admin/users/${accountId}/sessions`);
+        const sessionsData = await sessionsResponse.json();
+
+        if (sessionsResponse.ok && sessionsData.success) {
+          setSessions(sessionsData.sessions);
+        }
+      } else {
+        showToast(userData.message || 'Failed to load user details', 'error');
+        router.push('/admin');
+      }
+    } catch (error) {
+      console.error('Error fetching user data:', error);
+      showToast('Failed to load user details', 'error');
+      router.push('/admin');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleRevokeSession = async (sessionId: string) => {
+    try {
+      setRevoking(sessionId);
+
+      const response = await fetch(`/api/admin/users/${accountId}/sessions/revoke`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ sessionId, accountId }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('Session revoked successfully', 'success');
+        setSessions(prevSessions => prevSessions.filter(s => s.id !== sessionId));
+      } else {
+        showToast(data.message || 'Failed to revoke session', 'error');
+      }
+    } catch (error) {
+      console.error('Error revoking session:', error);
+      showToast('Failed to revoke session', 'error');
+    } finally {
+      setRevoking(null);
+    }
+  };
+
+  const handleDeleteUser = async () => {
+    try {
+      const response = await fetch('/api/admin/users', {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ account_id: accountId }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('User deleted successfully', 'success');
+        router.push('/admin');
+      } else {
+        showToast(data.message || 'Failed to delete user', 'error');
+      }
+    } catch (error) {
+      console.error('Error deleting user:', error);
+      showToast('Failed to delete user', 'error');
+    } finally {
+      setIsDeleteModalOpen(false);
+    }
+  };
+
+  const formatDate = (dateString: Date) => {
+    const date = new Date(dateString);
+    return date.toLocaleString();
+  };
+
+  if (status === 'loading' || loading) {
+    return <div className={styles.loading}>Loading user details...</div>;
+  }
+
+  if (!user) {
+    return <div className={styles.error}>User not found</div>;
+  }
+
+  return (
+    <div className={styles.container}>
+      <header className={styles.header}>
+        <h1 className={styles.title}>User Details</h1>
+        <div className={styles.actionButtons}>
+          <Link href='/admin'>
+            <button className={styles.backButton}>Back to Admin</button>
+          </Link>
+          {!user.is_admin && (
+            <button className={styles.deleteButton} onClick={() => setIsDeleteModalOpen(true)}>
+              Delete User
+            </button>
+          )}
+        </div>
+      </header>
+
+      <section className={styles.userInfo}>
+        <h2>Account Information</h2>
+        <div className={styles.infoCard}>
+          <div className={styles.infoRow}>
+            <span className={styles.infoLabel}>Account ID:</span>
+            <span className={styles.infoValue}>{user.account_id}</span>
+          </div>
+          <div className={styles.infoRow}>
+            <span className={styles.infoLabel}>Created:</span>
+            <span className={styles.infoValue}>{formatDate(user.created_at)}</span>
+          </div>
+          <div className={styles.infoRow}>
+            <span className={styles.infoLabel}>Role:</span>
+            <span className={styles.infoValue}>{user.is_admin ? 'Admin' : 'User'}</span>
+          </div>
+        </div>
+      </section>
+
+      <section className={styles.linksSection}>
+        <h2>User Links</h2>
+        {links.length === 0 ? (
+          <div className={styles.noItems}>This user has not created any links yet.</div>
+        ) : (
+          <AdminLinkTable links={links} accountId={user.account_id} onLinkDeleted={fetchUserData} />
+        )}
+      </section>
+
+      <section className={styles.sessionsSection}>
+        <h2>Active Sessions</h2>
+        {sessions.length === 0 ? (
+          <div className={styles.noItems}>This user has no active sessions.</div>
+        ) : (
+          <div className={styles.tableContainer}>
+            <table className={styles.sessionsTable}>
+              <thead>
+                <tr>
+                  <th>Device & Browser</th>
+                  <th>IP Address</th>
+                  <th>Last Active</th>
+                  <th>Created</th>
+                  <th>Actions</th>
+                </tr>
+              </thead>
+              <tbody>
+                {sessions.map(s => (
+                  <tr key={s.id}>
+                    <td>{s.userAgent.split(' ').slice(0, 3).join(' ')}</td>
+                    <td>{s.ipAddress}</td>
+                    <td>{formatDate(s.lastActive)}</td>
+                    <td>{formatDate(s.createdAt)}</td>
+                    <td>
+                      <button
+                        onClick={() => handleRevokeSession(s.id)}
+                        className={styles.revokeButton}
+                        disabled={revoking === s.id}
+                      >
+                        {revoking === s.id ? 'Revoking...' : 'Revoke'}
+                      </button>
+                    </td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+        )}
+      </section>
+
+      <ConfirmModal
+        isOpen={isDeleteModalOpen}
+        title='Delete User'
+        message={`Are you sure you want to delete user ${accountId}? This will permanently remove their account and all associated data including links and analytics. This action cannot be undone.`}
+        onConfirm={handleDeleteUser}
+        onCancel={() => setIsDeleteModalOpen(false)}
+      />
+    </div>
+  );
+}

src/app/api/admin/statistics/rebuild/route.ts

@@ -0,0 +1,37 @@
+import { NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { updateStats } from '@/lib/statisticsdb';
+import logger from '@/lib/logger';
+
+export async function POST() {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const result = await updateStats();
+
+    return NextResponse.json({
+      message: result.status,
+      success: result.success,
+    });
+  } catch (error) {
+    logger.error('Error rebuilding statistics:', { error });
+    return NextResponse.json(
+      {
+        message: 'Failed to rebuild statistics',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/admin/users/[accountId]/admin/route.ts

@@ -0,0 +1,82 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { isUserAdmin, makeUserAdmin } from '@/lib/userdb';
+import { removeAllSessionsByAccountId } from '@/lib/sessiondb';
+import logger from '@/lib/logger';
+
+export async function POST(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId } = await params;
+
+    if (!accountId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID is required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (accountId === session.user.accountId) {
+      return NextResponse.json(
+        {
+          message: 'You cannot change your own admin status',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const isAdmin = await isUserAdmin(accountId);
+    const result = await makeUserAdmin(accountId, !isAdmin);
+
+    if (!result.success) {
+      return NextResponse.json(
+        {
+          message: result.status,
+          success: false,
+        },
+        { status: result.status === 'User not found' ? 404 : 500 }
+      );
+    }
+
+    await removeAllSessionsByAccountId(accountId);
+
+    logger.info(`Admin status toggled for user ${accountId}, all sessions revoked`, {
+      accountId,
+      newStatus: !isAdmin,
+    });
+
+    return NextResponse.json({
+      message: `${result.status} User will need to log in again.`,
+      is_admin: !isAdmin,
+      success: true,
+    });
+  } catch (error) {
+    logger.error('Error toggling admin status:', error);
+    return NextResponse.json(
+      {
+        message: 'Failed to toggle admin status',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/admin/users/[accountId]/links/[shortId]/analytics/route.ts

@@ -0,0 +1,147 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { getAllAnalytics, removeAnalytics, removeAllAnalytics } from '@/lib/analyticsdb';
+import { sanitizeMongoDocument } from '@/lib/utils';
+import logger from '@/lib/logger';
+
+export async function GET(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string; shortId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId, shortId } = await params;
+
+    if (!accountId || !shortId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID and Short ID are required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const url = new URL(req.url);
+    const page = parseInt(url.searchParams.get('page') || '1');
+    const limit = parseInt(url.searchParams.get('limit') || '50');
+
+    const { analytics, total } = await getAllAnalytics(accountId, shortId, { page, limit });
+
+    const sanitizedAnalytics = analytics.map(item => sanitizeMongoDocument(item));
+
+    return NextResponse.json({
+      analytics: sanitizedAnalytics,
+      pagination: {
+        total,
+        page,
+        limit,
+        pages: Math.ceil(total / limit),
+      },
+      success: true,
+    });
+  } catch (error) {
+    logger.error('Error getting analytics:', {
+      error,
+      accountId: (await params).accountId,
+      shortId: (await params).shortId,
+    });
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve analytics',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}
+
+export async function DELETE(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string; shortId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId, shortId } = await params;
+
+    if (!accountId || !shortId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID and Short ID are required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const body = await req.json();
+
+    if (body.delete_all) {
+      const result = await removeAllAnalytics(accountId, shortId);
+
+      return NextResponse.json(
+        {
+          message: result.status,
+          success: result.success,
+        },
+        { status: result.success ? 200 : 400 }
+      );
+    }
+
+    if (body.analytics_id) {
+      const result = await removeAnalytics(accountId, shortId, body.analytics_id);
+
+      return NextResponse.json(
+        {
+          message: result.status,
+          success: result.success,
+        },
+        { status: result.success ? 200 : 400 }
+      );
+    }
+
+    return NextResponse.json(
+      {
+        message: 'Either delete_all or analytics_id must be provided',
+        success: false,
+      },
+      { status: 400 }
+    );
+  } catch (error) {
+    logger.error('Error deleting analytics:', {
+      error,
+      accountId: (await params).accountId,
+      shortId: (await params).shortId,
+    });
+    return NextResponse.json(
+      {
+        message: 'Failed to delete analytics',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/admin/users/[accountId]/links/[shortId]/route.ts

@@ -0,0 +1,188 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { getLinkById, editLink, removeLink } from '@/lib/linkdb';
+import { sanitizeMongoDocument } from '@/lib/utils';
+import logger from '@/lib/logger';
+
+export async function GET(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string; shortId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId, shortId } = await params;
+
+    if (!accountId || !shortId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID and Short ID are required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const { link, return: linkReturn } = await getLinkById(accountId, shortId);
+
+    if (!linkReturn.success || !link) {
+      return NextResponse.json(
+        {
+          message: linkReturn.status,
+          success: false,
+        },
+        { status: 404 }
+      );
+    }
+
+    return NextResponse.json({
+      link: sanitizeMongoDocument(link),
+      success: true,
+    });
+  } catch (error) {
+    logger.error('Error getting link details:', {
+      error,
+      accountId: (await params).accountId,
+      shortId: (await params).shortId,
+    });
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve link details',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}
+
+export async function PATCH(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string; shortId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId, shortId } = await params;
+
+    if (!accountId || !shortId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID and Short ID are required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const body = await req.json();
+    const { target_url } = body;
+
+    if (!target_url) {
+      return NextResponse.json(
+        {
+          message: 'Target URL is required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const result = await editLink(accountId, shortId, target_url);
+
+    return NextResponse.json(
+      {
+        message: result.status,
+        success: result.success,
+      },
+      { status: result.success ? 200 : 400 }
+    );
+  } catch (error) {
+    logger.error('Error updating link:', {
+      error,
+      accountId: (await params).accountId,
+      shortId: (await params).shortId,
+    });
+    return NextResponse.json(
+      {
+        message: 'Failed to update link',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}
+
+export async function DELETE(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string; shortId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId, shortId } = await params;
+
+    if (!accountId || !shortId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID and Short ID are required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const result = await removeLink(accountId, shortId);
+
+    return NextResponse.json(
+      {
+        message: result.status,
+        success: result.success,
+      },
+      { status: result.success ? 200 : 400 }
+    );
+  } catch (error) {
+    logger.error('Error deleting link:', {
+      error,
+      accountId: (await params).accountId,
+      shortId: (await params).shortId,
+    });
+    return NextResponse.json(
+      {
+        message: 'Failed to delete link',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/admin/users/[accountId]/links/route.ts

@@ -0,0 +1,54 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { getLinks } from '@/lib/linkdb';
+import { sanitizeMongoDocument } from '@/lib/utils';
+import logger from '@/lib/logger';
+
+export async function GET(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId } = await params;
+
+    if (!accountId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID is required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const { links } = await getLinks(accountId);
+    const sanitizedLinks = links.map(link => sanitizeMongoDocument(link));
+
+    return NextResponse.json({
+      links: sanitizedLinks,
+      success: true,
+    });
+  } catch (error) {
+    logger.error('Error getting user links:', error);
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve user links',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/admin/users/[accountId]/route.ts

@@ -0,0 +1,65 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { getUserById } from '@/lib/userdb';
+import logger from '@/lib/logger';
+import { sanitizeMongoDocument } from '@/lib/utils';
+
+export async function GET(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId } = await params;
+
+    if (!accountId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID is required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const user = await getUserById(accountId);
+
+    if (!user) {
+      return NextResponse.json(
+        {
+          message: 'User not found',
+          success: false,
+        },
+        { status: 404 }
+      );
+    }
+
+    const sanitizedUser = sanitizeMongoDocument(user);
+
+    return NextResponse.json({
+      user: sanitizedUser,
+      success: true,
+    });
+  } catch (error) {
+    logger.error('Error getting user:', error);
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve user',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/admin/users/[accountId]/sessions/revoke/route.ts

@@ -0,0 +1,48 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { revokeSession } from '@/lib/sessiondb';
+import logger from '@/lib/logger';
+
+export async function POST(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { sessionId, accountId } = await req.json();
+
+    if (!sessionId || !accountId) {
+      return NextResponse.json(
+        {
+          message: 'Session ID and Account ID are required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const result = await revokeSession(sessionId, accountId);
+
+    return NextResponse.json({
+      ...result,
+    });
+  } catch (error) {
+    logger.error('Error revoking session:', { error });
+    return NextResponse.json(
+      {
+        message: 'Failed to revoke session',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/admin/users/[accountId]/sessions/route.ts

@@ -0,0 +1,56 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { getSessions } from '@/lib/sessiondb';
+import { sanitizeMongoDocument } from '@/lib/utils';
+import logger from '@/lib/logger';
+
+export async function GET(
+  req: NextRequest,
+  { params }: { params: Promise<{ accountId: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { accountId } = await params;
+
+    if (!accountId) {
+      return NextResponse.json(
+        {
+          message: 'Account ID is required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const sessions = await getSessions(accountId);
+    const sanitizedSessions = Array.isArray(sessions)
+      ? sessions.map(session => sanitizeMongoDocument(session))
+      : [];
+
+    return NextResponse.json({
+      sessions: sanitizedSessions,
+      success: true,
+    });
+  } catch (error) {
+    logger.error('Error getting user sessions:', error);
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve user sessions',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/admin/users/route.ts

@@ -0,0 +1,115 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { listUsers, removeUser, isUserAdmin } from '@/lib/userdb';
+import { sanitizeMongoDocument } from '@/lib/utils';
+import logger from '@/lib/logger';
+
+export async function GET() {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const result = await listUsers();
+
+    if (result.users) {
+      const sanitizedUsers = result.users.map(user => sanitizeMongoDocument(user));
+
+      return NextResponse.json({
+        users: sanitizedUsers,
+        total: result.total,
+        success: true,
+      });
+    }
+
+    return NextResponse.json(
+      {
+        message: result.return.status,
+        success: result.return.success,
+      },
+      { status: result.return.success ? 200 : 500 }
+    );
+  } catch (error) {
+    logger.error('Error getting users:', { error });
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve users',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}
+
+export async function DELETE(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.isAdmin) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { account_id } = await req.json();
+
+    if (!account_id) {
+      return NextResponse.json(
+        {
+          message: 'Account ID is required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (account_id === session.user.accountId) {
+      return NextResponse.json(
+        {
+          message: 'You cannot delete your own account from admin panel',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (await isUserAdmin(account_id)) {
+      return NextResponse.json(
+        {
+          message: 'Cannot delete admin accounts',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const result = await removeUser(account_id);
+
+    return NextResponse.json({
+      message: result.status,
+      success: result.success,
+    });
+  } catch (error) {
+    logger.error('Error deleting user:', { error });
+    return NextResponse.json(
+      {
+        message: 'Failed to delete user',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/analytics/route.ts

@@ -0,0 +1,240 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getAllAnalytics, removeAnalytics, removeAllAnalytics } from '@/lib/analyticsdb';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import logger from '@/lib/logger';
+
+// View analytics for a specific link
+// Example: /api/analytics?link_id=SHORT_ID&page=1&limit=50&startDate=2025-01-01&endDate=2025-12-31
+export async function GET(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      logger.info('Analytics request failed due to unauthorized access', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Unauthorized. Please sign in first.',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const account_id = session.user.accountId;
+    const url = new URL(req.url);
+
+    const link_id = url.searchParams.get('link_id');
+    if (!link_id) {
+      logger.info('Analytics request failed due to missing link_id', { account_id, url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Missing link_id parameter',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+    const all = url.searchParams.get('all') === 'true';
+
+    let page = 1;
+    let limit = 50;
+
+    if (!all) {
+      page = parseInt(url.searchParams.get('page') || '1');
+      limit = parseInt(url.searchParams.get('limit') || '50');
+    }
+
+    let startDate: Date | undefined;
+    let endDate: Date | undefined;
+
+    if (url.searchParams.get('startDate')) {
+      startDate = new Date(url.searchParams.get('startDate')!);
+    }
+
+    if (url.searchParams.get('endDate')) {
+      endDate = new Date(url.searchParams.get('endDate')!);
+    }
+
+    const queryOptions = all
+      ? {}
+      : {
+          page,
+          limit,
+          startDate,
+          endDate,
+        };
+
+    const { analytics, total } = await getAllAnalytics(account_id, link_id, queryOptions);
+
+    return NextResponse.json(
+      {
+        message: 'Analytics retrieved successfully',
+        success: true,
+        analytics,
+        pagination: {
+          total,
+          page,
+          limit,
+          totalPages: Math.ceil(total / limit),
+        },
+      },
+      { status: 200 }
+    );
+  } catch (error) {
+    logger.error('Analytics retrieval error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve analytics',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}
+
+// Delete analytics record
+export async function DELETE(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      logger.info('Analytics deletion request failed due to unauthorized access', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Unauthorized. Please sign in first.',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const account_id = session.user.accountId;
+    let link_id, analytics_id, delete_all;
+
+    try {
+      const contentType = req.headers.get('content-type');
+      if (contentType && contentType.includes('application/json') && req.body) {
+        const body = await req.json();
+        link_id = body.link_id;
+        analytics_id = body.analytics_id;
+        delete_all = body.delete_all;
+      }
+    } catch {
+      logger.info('Analytics deletion request failed due to missing parameters', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Missing required parameters',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (!link_id) {
+      logger.info('Analytics deletion request failed due to missing link_id', {
+        account_id,
+        url: req.url,
+      });
+      return NextResponse.json(
+        {
+          message: 'Missing link_id parameter',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    // Delete all analytics for a link
+    if (delete_all) {
+      const result = await removeAllAnalytics(account_id, link_id);
+
+      if (result.success) {
+        logger.info('All analytics deletion request succeeded', {
+          account_id,
+          link_id,
+          url: req.url,
+        });
+        return NextResponse.json(
+          {
+            message: 'All analytics records deleted successfully',
+            success: true,
+          },
+          { status: 200 }
+        );
+      } else {
+        logger.info('All analytics deletion request failed', {
+          error: result.status,
+          account_id,
+          link_id,
+          url: req.url,
+        });
+        return NextResponse.json(
+          {
+            message: result.status,
+            success: false,
+          },
+          { status: 404 }
+        );
+      }
+    }
+
+    // Delete single analytics record
+    if (!analytics_id) {
+      logger.info('Analytics deletion request failed due to missing analytics_id', {
+        account_id,
+        link_id,
+        url: req.url,
+      });
+      return NextResponse.json(
+        {
+          message: 'Missing analytics_id parameter for single record deletion',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const result = await removeAnalytics(account_id, link_id, analytics_id);
+
+    if (result.success) {
+      logger.info('Single analytics record deletion request succeeded', {
+        account_id,
+        link_id,
+        analytics_id,
+        url: req.url,
+      });
+      return NextResponse.json(
+        {
+          message: 'Analytics record deleted successfully',
+          success: true,
+        },
+        { status: 200 }
+      );
+    } else {
+      logger.info('Single analytics record deletion request failed', {
+        error: result.status,
+        account_id,
+        link_id,
+        analytics_id,
+        url: req.url,
+      });
+      return NextResponse.json(
+        {
+          message: result.status,
+          success: false,
+        },
+        { status: 404 }
+      );
+    }
+  } catch (error) {
+    logger.error('Analytics deletion error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Failed to delete analytics',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/auth/[...nextauth]/route.ts

@@ -0,0 +1,96 @@
+import NextAuth, { NextAuthOptions, User } from 'next-auth';
+import CredentialsProvider from 'next-auth/providers/credentials';
+import logger from '@/lib/logger';
+import { existsUser, isUserAdmin } from '@/lib/userdb';
+import { JWT } from 'next-auth/jwt';
+import { Session } from 'next-auth';
+import { createSession, updateSessionActivity, revokeSession } from '@/lib/sessiondb';
+import { headers } from 'next/headers';
+
+export const authOptions: NextAuthOptions = {
+  providers: [
+    CredentialsProvider({
+      name: 'Account ID',
+      credentials: {
+        accountId: { label: 'Account ID', type: 'text', placeholder: 'Enter your Account ID' },
+      },
+      async authorize(credentials) {
+        const { accountId } = credentials as { accountId: string };
+
+        const exists = await existsUser(accountId);
+
+        if (exists) {
+          const isAdmin = await isUserAdmin(accountId);
+
+          return {
+            id: accountId,
+            accountId,
+            isAdmin,
+          };
+        }
+
+        return null;
+      },
+    }),
+  ],
+  callbacks: {
+    async jwt({ token, user, trigger }: { token: JWT; user: User; trigger?: string }) {
+      if (user) {
+        token.accountId = user.accountId;
+        token.isAdmin = user.isAdmin;
+
+        const headersList = await headers();
+        const userAgent = headersList.get('user-agent') || 'Unknown';
+        const ip = headersList.get('x-forwarded-for') || headersList.get('x-real-ip') || 'Unknown';
+
+        const { sessionId } = await createSession(user.accountId, userAgent, ip);
+
+        token.sessionId = sessionId;
+      }
+
+      if (trigger === 'update' && token.sessionId) {
+        await updateSessionActivity(token.sessionId as string);
+      }
+
+      return token;
+    },
+    async session({ session, token }: { session: Session; token: JWT }) {
+      if (token) {
+        session.user = {
+          ...session.user,
+          accountId: token.accountId as string,
+          isAdmin: token.isAdmin as boolean,
+          sessionId: token.sessionId as string,
+        };
+      }
+      return session;
+    },
+  },
+  events: {
+    async signOut({ token }) {
+      if (token?.sessionId) {
+        try {
+          await revokeSession(token.sessionId as string, token.accountId as string);
+        } catch (error) {
+          logger.error('Error terminating session on signOut:', error);
+        }
+      }
+    },
+  },
+  pages: {
+    signIn: '/',
+    error: '/',
+  },
+  session: {
+    strategy: 'jwt' as const,
+    maxAge: 30 * 24 * 60 * 60, // 30 days (session lifetime)
+  },
+  jwt: {
+    maxAge: 5 * 60, // 5 min (token lifetime)
+  },
+  secret: process.env.NEXTAUTH_SECRET || '/JZ9N+lqRtvspbAfs0HK41RkthPYuUdqxb+cuimYOXw=',
+};
+
+const handler = NextAuth(authOptions);
+
+export { handler as GET, handler as POST };

src/app/api/auth/check-session/route.ts

@@ -0,0 +1,49 @@
+import { NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { isSessionValid } from '@/lib/sessiondb';
+import logger from '@/lib/logger';
+
+export async function GET() {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId || !session?.user?.sessionId) {
+      return NextResponse.json(
+        {
+          valid: false,
+          message: 'No active session',
+        },
+        { status: 401 }
+      );
+    }
+
+    const isValid = await isSessionValid(session.user.sessionId, session.user.accountId);
+
+    if (!isValid) {
+      logger.info('Session check failed - revoked or expired session', {
+        sessionId: session.user.sessionId,
+        accountId: session.user.accountId,
+      });
+
+      return NextResponse.json(
+        {
+          valid: false,
+          message: 'Session has been revoked',
+        },
+        { status: 401 }
+      );
+    }
+
+    return NextResponse.json({ valid: true });
+  } catch (error) {
+    logger.error('Error checking session:', error);
+    return NextResponse.json(
+      {
+        valid: false,
+        message: 'Error checking session',
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/auth/register/route.ts

@@ -0,0 +1,76 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { createUser, isUserAdmin } from '@/lib/userdb';
+import logger from '@/lib/logger';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+
+export async function POST(req: NextRequest) {
+  try {
+    let is_admin;
+    logger.info('Registration request', { url: req.url });
+    const session = await getServerSession(authOptions);
+
+    try {
+      const contentType = req.headers.get('content-type');
+      if (contentType && contentType.includes('application/json') && req.body) {
+        const body = await req.json();
+        is_admin = body.is_admin;
+      }
+    } catch {
+      logger.info('Registration request failed due to missing parameters', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Missing required parameters',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (is_admin) {
+      const isAuthorized = await isUserAdmin(session?.user?.accountId);
+
+      if (isAuthorized) {
+        const account = await createUser(is_admin);
+        logger.info('Account creation request succeeded (admin)', { is_admin, url: req.url });
+        return NextResponse.json(
+          {
+            message: 'Admin registration successful',
+            success: true,
+            account_id: account.account_id,
+          },
+          { status: 200 }
+        );
+      } else {
+        logger.info('Registration request failed due to missing rights', {
+          is_admin,
+          url: req.url,
+        });
+        return NextResponse.json(
+          {
+            message: 'Unauthorized admin registration attempt',
+            success: false,
+          },
+          { status: 401 }
+        );
+      }
+    }
+
+    const account = await createUser(false);
+
+    return NextResponse.json({
+      message: 'Registration successful',
+      success: true,
+      account_id: account.account_id,
+    });
+  } catch (error) {
+    logger.error('Registration error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Registration failed',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/auth/remove/route.ts

@@ -0,0 +1,59 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { removeUser, isUserAdmin } from '@/lib/userdb';
+import logger from '@/lib/logger';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+
+export async function DELETE(req: NextRequest) {
+  try {
+    let account_id;
+    logger.info('Account removal request', { url: req.url });
+    const session = await getServerSession(authOptions);
+
+    try {
+      const contentType = req.headers.get('content-type');
+      if (contentType && contentType.includes('application/json') && req.body) {
+        const body = await req.json();
+        account_id = body.account_id;
+      }
+    } catch {
+      logger.info('Account removal request failed due to missing parameters', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Missing required parameters',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (session?.user?.accountId === account_id || (await isUserAdmin(session?.user?.accountId))) {
+      const accountRemovalResponse = await removeUser(account_id);
+      return NextResponse.json(
+        {
+          message: accountRemovalResponse.status,
+          success: accountRemovalResponse.success,
+        },
+        { status: accountRemovalResponse.success ? 200 : 500 }
+      );
+    }
+
+    logger.info('Account removal request failed due to missing rights', { url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Unauthorized account removal attempt',
+        success: false,
+      },
+      { status: 401 }
+    );
+  } catch (error) {
+    logger.error('Account removal error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Account removal failed',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/auth/sessions/revoke/route.ts

@@ -0,0 +1,55 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { revokeSession } from '@/lib/sessiondb';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { signOut } from 'next-auth/react';
+import logger from '@/lib/logger';
+
+export async function POST(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const { sessionId } = await req.json();
+
+    if (!sessionId) {
+      return NextResponse.json(
+        {
+          message: 'Session ID is required',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const result = await revokeSession(sessionId, session.user.accountId);
+
+    const isCurrentSession = sessionId === session.user.sessionId;
+    if (isCurrentSession) {
+      signOut({ redirect: false });
+    }
+
+    return NextResponse.json({
+      ...result,
+      isCurrentSession,
+    });
+  } catch (error) {
+    logger.error('Error revoking session:', { error });
+    return NextResponse.json(
+      {
+        message: 'Failed to revoking session',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/auth/sessions/route.ts

@@ -0,0 +1,44 @@
+import { NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth/next';
+import { getSessions } from '@/lib/sessiondb';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import logger from '@/lib/logger';
+
+export async function GET() {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      return NextResponse.json(
+        {
+          message: 'Unauthorized',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const sessions = await getSessions(session.user.accountId);
+
+    // Mark the current session
+    const currentSessionId = session.user.sessionId;
+    const sessionsWithCurrent = sessions.map(s => ({
+      ...s,
+      isCurrentSession: s.id === currentSessionId,
+    }));
+
+    return NextResponse.json({
+      sessions: sessionsWithCurrent,
+      success: true,
+    });
+  } catch (error) {
+    logger.error('Error getting sessions:', { error });
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve sessions',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/link/route.ts

@@ -0,0 +1,348 @@
+import { NextRequest, NextResponse } from 'next/server';
+import logger from '@/lib/logger';
+import { isValidUrl, sanitizeMongoDocument } from '@/lib/utils';
+import { getLinkById, createLink, editLink, removeLink } from '@/lib/linkdb';
+import { removeAllAnalytics } from '@/lib/analyticsdb';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+
+// View link
+// Example: /api/link?shortId=SHORT_ID
+export async function GET(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      logger.info('Link retrieval request failed due to unauthorized access', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Unauthorized. Please sign in first.',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const account_id = session.user.accountId;
+
+    const url = new URL(req.url);
+    const shortId = url.searchParams.get('shortId');
+
+    if (!shortId) {
+      logger.info('Link retrieval request failed due to missing shortId', {
+        account_id,
+        url: req.url,
+      });
+      return NextResponse.json(
+        {
+          message: 'Missing shortId parameter',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const { link, return: returnValue } = await getLinkById(account_id, shortId);
+
+    if (returnValue.success && link) {
+      return NextResponse.json(
+        {
+          message: 'Link retrieved successfully',
+          success: true,
+          link: sanitizeMongoDocument(link),
+        },
+        { status: 200 }
+      );
+    }
+
+    logger.info('Link retrieval request failed', {
+      error: returnValue.status,
+      account_id,
+      shortId,
+      url: req.url,
+    });
+    return NextResponse.json(
+      {
+        message: returnValue.status || 'Link not found',
+        success: false,
+      },
+      { status: 404 }
+    );
+  } catch (error) {
+    logger.error('Link retrieval error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve link',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}
+
+// Create link
+export async function POST(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      logger.info('Link creation request failed due to unauthorized access', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Unauthorized. Please sign in first.',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const account_id = session.user.accountId;
+    let target_url;
+
+    try {
+      const contentType = req.headers.get('content-type');
+      if (contentType && contentType.includes('application/json') && req.body) {
+        const body = await req.json();
+        target_url = body.target_url;
+      }
+    } catch {
+      logger.info('Link creation request failed due to missing parameters', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Missing required parameters',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (!target_url || !isValidUrl(target_url)) {
+      logger.info('Link creation request failed due to invalid URL', { account_id, url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Invalid URL. Please provide a valid URL with http:// or https://',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const { shortId, return: returnValue } = await createLink(account_id, target_url);
+
+    if (returnValue.success) {
+      return NextResponse.json(
+        {
+          message: 'Link Creation succeeded',
+          success: true,
+          shortId,
+        },
+        { status: 200 }
+      );
+    }
+
+    logger.error('Link creation request failed', {
+      error: returnValue.status,
+      account_id,
+      url: req.url,
+    });
+    return NextResponse.json(
+      {
+        message: returnValue.status || 'Link creation failed',
+        success: false,
+      },
+      { status: 422 }
+    );
+  } catch (error) {
+    logger.error('Link creation error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Link creation failed',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}
+
+// Edit link
+export async function PATCH(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      logger.info('Link edit request failed due to unauthorized access', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Unauthorized. Please sign in first.',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const account_id = session.user.accountId;
+    let shortId, target_url;
+
+    try {
+      const contentType = req.headers.get('content-type');
+      if (contentType && contentType.includes('application/json') && req.body) {
+        const body = await req.json();
+        shortId = body.shortId;
+        target_url = body.target_url;
+      }
+    } catch {
+      logger.info('Link edit request failed due to missing parameters', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Missing required parameters',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (!shortId) {
+      logger.info('Link edit request failed due to missing shortId', { account_id, url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Missing shortId parameter',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (!target_url || !isValidUrl(target_url)) {
+      logger.info('Link edit request failed due to invalid URL', { account_id, url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Invalid URL. Please provide a valid URL with http:// or https://',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    const returnValue = await editLink(account_id, shortId, target_url);
+
+    if (returnValue.success) {
+      return NextResponse.json(
+        {
+          message: 'Link updated successfully',
+          success: true,
+        },
+        { status: 200 }
+      );
+    }
+
+    logger.error('Link edit request failed', {
+      error: returnValue.status,
+      account_id,
+      shortId,
+      url: req.url,
+    });
+    return NextResponse.json(
+      {
+        message: returnValue.status || 'Link update failed',
+        success: false,
+      },
+      { status: 422 }
+    );
+  } catch (error) {
+    logger.error('Link edit error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Link update failed',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}
+
+// Delete link
+export async function DELETE(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      logger.info('Link removal request failed due to unauthorized access', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Unauthorized. Please sign in first.',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const account_id = session.user.accountId;
+    let shortId;
+
+    try {
+      const contentType = req.headers.get('content-type');
+      if (contentType && contentType.includes('application/json') && req.body) {
+        const body = await req.json();
+        shortId = body.shortId;
+      }
+    } catch {
+      logger.info('Link removal request failed due to missing parameters', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Missing required parameters',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    if (!shortId) {
+      logger.info('Link removal request failed due to missing shortId', {
+        account_id,
+        url: req.url,
+      });
+      return NextResponse.json(
+        {
+          message: 'Missing shortId parameter',
+          success: false,
+        },
+        { status: 400 }
+      );
+    }
+
+    await removeAllAnalytics(account_id, shortId);
+    const returnValue = await removeLink(account_id, shortId);
+
+    if (returnValue.success) {
+      return NextResponse.json(
+        {
+          message: 'Link removal succeeded',
+          success: true,
+        },
+        { status: 200 }
+      );
+    }
+
+    logger.error('Link removal request failed', {
+      error: returnValue.status,
+      account_id,
+      url: req.url,
+    });
+    return NextResponse.json(
+      {
+        message: returnValue.status || 'Link removal failed',
+        success: false,
+      },
+      { status: 422 }
+    );
+  } catch (error) {
+    logger.error('Link removal error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Link removal failed',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/links/route.ts

@@ -0,0 +1,60 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getLinks } from '@/lib/linkdb';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/app/api/auth/[...nextauth]/route';
+import { sanitizeMongoDocument } from '@/lib/utils';
+import logger from '@/lib/logger';
+
+// Get all links
+export async function GET(req: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.accountId) {
+      logger.info('Links retrieval request failed due to unauthorized access', { url: req.url });
+      return NextResponse.json(
+        {
+          message: 'Unauthorized. Please sign in first.',
+          success: false,
+        },
+        { status: 401 }
+      );
+    }
+
+    const account_id = session.user.accountId;
+    const { links, return: returnValue } = await getLinks(account_id);
+
+    if (returnValue.success) {
+      return NextResponse.json(
+        {
+          message: 'Links retrieved successfully',
+          success: true,
+          links: links.map(link => sanitizeMongoDocument(link)),
+        },
+        { status: 200 }
+      );
+    }
+
+    logger.info('Links retrieval request failed', {
+      error: returnValue.status,
+      account_id,
+      url: req.url,
+    });
+    return NextResponse.json(
+      {
+        message: returnValue.status || 'Failed to retrieve links',
+        success: false,
+      },
+      { status: 404 }
+    );
+  } catch (error) {
+    logger.error('Links retrieval error:', { error, url: req.url });
+    return NextResponse.json(
+      {
+        message: 'Failed to retrieve links',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/statistics/route.ts

@@ -0,0 +1,43 @@
+import { NextResponse } from 'next/server';
+import { getAllStats, updateStats } from '@/lib/statisticsdb';
+
+export async function GET() {
+  try {
+    let stats = await getAllStats();
+
+    if (
+      !stats ||
+      !stats.last_updated ||
+      new Date().getTime() - new Date(stats.last_updated).getTime() > 5 * 60 * 1000
+    ) {
+      // 5min
+      await updateStats();
+      stats = await getAllStats();
+    }
+
+    if (!stats) {
+      return NextResponse.json(
+        {
+          message: 'Failed to retrieve statistics',
+          success: false,
+        },
+        { status: 500 }
+      );
+    }
+
+    return NextResponse.json({
+      message: 'Statistics retrieved successfully',
+      success: true,
+      stats,
+    });
+  } catch (error) {
+    console.error('Statistics retrieval error:', error);
+    return NextResponse.json(
+      {
+        message: 'An error occurred while retrieving statistics',
+        success: false,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/dashboard/Dashboard.module.css

@@ -0,0 +1,165 @@
+.dashboardContainer {
+  max-width: 75rem;
+  width: 100%;
+  margin: 0 auto;
+  padding: 2rem 1rem;
+}
+
+.dashboardHeader {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 2rem;
+}
+
+.dashboardTitle {
+  font-size: 2rem;
+  color: var(--text-primary);
+  margin: 0;
+}
+
+.actionButtons {
+  display: flex;
+  gap: 1rem;
+}
+
+.securityButton,
+.adminButton {
+  padding: 0.5rem 1rem;
+  border-radius: 4px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  border: none;
+}
+
+.securityButton {
+  background-color: var(--accent);
+  color: white;
+}
+
+.adminButton {
+  background-color: #8b5cf6;
+  color: white;
+}
+
+.securityButton:hover,
+.adminButton:hover {
+  opacity: 0.9;
+  transform: translateY(-2px);
+}
+
+.urlShortener {
+  background-color: var(--card-bg);
+  border-radius: 8px;
+  padding: 1.5rem;
+  margin-bottom: 2rem;
+  border: 1px solid var(--border-color);
+}
+
+.createForm {
+  margin-top: 1rem;
+}
+
+.inputGroup {
+  display: flex;
+  gap: 1rem;
+}
+
+.urlInput {
+  flex: 1;
+  padding: 0.75rem 1rem;
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+  background-color: var(--input-bg);
+  color: var(--text-primary);
+  font-size: 1rem;
+}
+
+.createButton {
+  padding: 0 1.5rem;
+  border-radius: 4px;
+  border: none;
+  background-color: var(--accent);
+  color: white;
+  font-weight: 500;
+  cursor: pointer;
+  transition: background-color 0.2s ease;
+}
+
+.createButton:hover {
+  background-color: var(--accent-hover);
+}
+
+.createButton:disabled {
+  background-color: var(--accent-disabled);
+  cursor: not-allowed;
+}
+
+.linksSection {
+  background-color: var(--card-bg);
+  border-radius: 8px;
+  padding: 1.5rem;
+  border: 1px solid var(--border-color);
+}
+
+.loading {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  padding: 2rem;
+  color: var(--text-secondary);
+  font-size: 1rem;
+}
+
+.noLinks {
+  text-align: center;
+  padding: 2rem;
+  color: var(--text-secondary);
+  font-style: italic;
+}
+
+@media (max-width: 1200px) {
+  .dashboardContainer {
+    max-width: 100%;
+    padding: 1.5rem;
+  }
+}
+
+@media (max-width: 768px) {
+  .inputGroup {
+    flex-direction: column;
+  }
+
+  .dashboardHeader {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 1rem;
+  }
+
+  .actionButtons {
+    width: 100%;
+    justify-content: flex-start;
+  }
+
+  .urlShortener,
+  .linksSection {
+    padding: 1rem;
+  }
+}
+
+@media (max-width: 480px) {
+  .dashboardContainer {
+    padding: 1rem 0.5rem;
+  }
+
+  .dashboardTitle {
+    font-size: 1.5rem;
+  }
+
+  .securityButton,
+  .adminButton {
+    padding: 0.4rem 0.8rem;
+    font-size: 0.9rem;
+  }
+}

src/app/dashboard/link/[shortId]/LinkDetail.module.css

@@ -0,0 +1,280 @@
+.container {
+  width: 100%;
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 2rem 1rem;
+}
+
+.header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 2rem;
+}
+
+.backLink {
+  padding: 0.5rem 1rem;
+  border-radius: 4px;
+  background-color: var(--accent);
+  color: var(--text-primary);
+  text-decoration: none;
+  font-weight: 500;
+  transition: all 0.2s ease;
+}
+
+.backLink:hover {
+  opacity: 0.9;
+  transform: translateY(-2px);
+}
+
+.title {
+  font-size: 2rem;
+  margin: 0;
+  color: var(--text-primary);
+}
+
+.linkInfo {
+  margin-bottom: 2rem;
+}
+
+.linkCard {
+  background-color: var(--card-bg);
+  border-radius: 0.5rem;
+  padding: 1.5rem;
+  box-shadow: var(--card-shadow);
+}
+
+.linkCard h2 {
+  margin-top: 0;
+  margin-bottom: 1.5rem;
+  color: var(--text-primary);
+  font-size: 1.5rem;
+}
+
+.linkDetails {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+}
+
+.linkDetailItem {
+  display: flex;
+  flex-direction: column;
+}
+
+.label {
+  font-weight: 600;
+  color: var(--text-secondary);
+  margin-bottom: 0.25rem;
+}
+
+.value {
+  color: var(--text-primary);
+  word-break: break-all;
+}
+
+.shortUrl {
+  color: var(--primary-color);
+  word-break: break-all;
+  text-decoration: none;
+}
+
+.shortUrl:hover {
+  text-decoration: underline;
+}
+
+.defaultButton {
+  background-color: transparent;
+  color: var(--primary-color);
+  border: 1px solid var(--primary-color);
+  border-radius: 0.25rem;
+  padding: 0.25rem 0.5rem;
+  font-size: 0.75rem;
+  cursor: pointer;
+}
+
+.defaultButton:hover {
+  background-color: var(--primary-color);
+  color: white;
+}
+
+.targetUrlSection {
+  margin-top: 0.5rem;
+}
+
+.targetUrlHeader {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 0.5rem;
+}
+
+.targetUrl {
+  color: var(--text-primary);
+  word-break: break-all;
+  text-decoration: none;
+}
+
+.targetUrl:hover {
+  text-decoration: underline;
+  color: var(--primary-color);
+}
+
+.editForm {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.urlInput {
+  width: 100%;
+  padding: 0.5rem;
+  border: 1px solid var(--border-color);
+  border-radius: 0.25rem;
+  background-color: var(--input-bg);
+  color: var(--text-primary);
+}
+
+.editActions {
+  display: flex;
+  gap: 0.5rem;
+  justify-content: flex-end;
+}
+
+.cancelButton {
+  background-color: transparent;
+  color: var(--text-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: 0.25rem;
+  padding: 0.5rem 0.75rem;
+  cursor: pointer;
+}
+
+.cancelButton:hover {
+  background-color: var(--border-color);
+}
+
+.saveButton {
+  background-color: var(--primary-color);
+  color: white;
+  border: none;
+  border-radius: 0.25rem;
+  padding: 0.5rem 0.75rem;
+  cursor: pointer;
+}
+
+.saveButton:hover {
+  background-color: var(--primary-dark);
+}
+
+.analyticsSection {
+  margin-top: 2rem;
+}
+
+.analyticsHeader {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 1.5rem;
+  flex-wrap: wrap;
+  gap: 1rem;
+}
+
+.analyticsHeader h2 {
+  margin: 0;
+  color: var(--text-primary);
+  font-size: 1.5rem;
+}
+
+.totalClicks {
+  color: var(--text-secondary);
+  font-weight: 600;
+}
+
+.deleteAllButton {
+  background-color: transparent;
+  color: var(--primary-color);
+  border: 1px solid var(--primary-color);
+  border-radius: 0.25rem;
+  padding: 0.25rem 0.5rem;
+  font-size: 1rem;
+  cursor: pointer;
+}
+
+.deleteAllButton:hover {
+  background-color: var(--primary-color);
+  color: white;
+}
+
+.graphs {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
+  gap: 1rem;
+  margin-bottom: 2rem;
+}
+
+.graphCard {
+  background-color: var(--card-bg);
+  border-radius: 0.5rem;
+  padding: 1rem;
+  box-shadow: var(--card-shadow);
+}
+
+.graphCard h3 {
+  margin-top: 0;
+  margin-bottom: 1rem;
+  color: var(--text-primary);
+  font-size: 1rem;
+  text-align: center;
+}
+
+.noAnalytics {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  background-color: var(--card-bg);
+  border-radius: 0.5rem;
+  padding: 2rem;
+  box-shadow: var(--card-shadow);
+}
+
+.noAnalytics p {
+  color: var(--text-secondary);
+  font-size: 1rem;
+  text-align: center;
+}
+
+.loadingContainer {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  min-height: 300px;
+  gap: 1rem;
+}
+
+.loader {
+  border: 4px solid rgba(0, 0, 0, 0.1);
+  border-left-color: var(--primary-color);
+  border-radius: 50%;
+  width: 40px;
+  height: 40px;
+  animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@media (max-width: 768px) {
+  .analyticsHeader {
+    flex-direction: column;
+    align-items: flex-start;
+  }
+
+  .graphs {
+    grid-template-columns: 1fr;
+  }
+}

src/app/dashboard/link/[shortId]/page.tsx

@@ -0,0 +1,530 @@
+'use client';
+
+import { useState, useEffect, useRef } from 'react';
+import { useParams, useRouter } from 'next/navigation';
+import Link from 'next/link';
+import { useToast } from '@/contexts/ToastContext';
+import Graph from '@/components/ui/Graph';
+import ConfirmModal from '@/components/ui/ConfirmModal';
+import AnalyticsTable from '@/components/ui/dashboard/link/AnalyticsTable';
+import styles from './LinkDetail.module.css';
+import { Analytics } from '@/types/analytics';
+import type { Link as LinkType } from '@/types/link';
+import type { StatItem } from '@/types/statistics';
+
+export default function LinkDetailPage() {
+  const params = useParams();
+  const router = useRouter();
+  const { showToast } = useToast();
+  const shortId = params.shortId as string;
+
+  const [link, setLink] = useState<LinkType | null>(null);
+  const [targetUrl, setTargetUrl] = useState('');
+  const [isEditing, setIsEditing] = useState(false);
+  const inputRef = useRef<HTMLInputElement>(null);
+  const [isLoading, setIsLoading] = useState(true);
+  const [allAnalytics, setAllAnalytics] = useState<Analytics[]>([]);
+  const [analytics, setAnalytics] = useState<Analytics[]>([]);
+  const [totalAnalytics, setTotalAnalytics] = useState(0);
+  const [page, setPage] = useState(1);
+  const [limit] = useState(15);
+  const [showDeleteModal, setShowDeleteModal] = useState(false);
+  const [showDeleteAllModal, setShowDeleteAllModal] = useState(false);
+  const [analyticsToDelete, setAnalyticsToDelete] = useState<string>('');
+  const [isLoadingStats, setIsLoadingStats] = useState(true);
+  const isRedirecting = useRef(false);
+
+  // Stats data
+  const [browserStats, setBrowserStats] = useState<StatItem[]>([]);
+  const [osStats, setOsStats] = useState<StatItem[]>([]);
+  const [countryStats, setCountryStats] = useState<StatItem[]>([]);
+  const [ipVersionStats, setIpVersionStats] = useState<StatItem[]>([]);
+
+  function isValidUrl(urlStr: string): boolean {
+    if (urlStr.trim() === '') {
+      return false;
+    }
+
+    try {
+      const parsedUrl = new URL(urlStr);
+      return parsedUrl.protocol !== '' && parsedUrl.hostname !== '';
+    } catch {
+      return false;
+    }
+  }
+
+  useEffect(() => {
+    if (isEditing && inputRef.current) {
+      setTimeout(() => {
+        inputRef.current?.focus();
+      }, 10);
+    }
+  }, [isEditing]);
+
+  useEffect(() => {
+    if (isRedirecting.current) return;
+
+    async function fetchLinkData() {
+      try {
+        const response = await fetch(`/api/link?shortId=${shortId}`);
+        if (!response.ok) {
+          showToast('Failed to load link details', 'error');
+          isRedirecting.current = true;
+          router.push('/dashboard');
+          return;
+        }
+
+        const data = await response.json();
+        if (data.success && data.link) {
+          setLink(data.link);
+          setTargetUrl(data.link.target_url);
+        } else {
+          showToast(data.message || 'Link not found', 'error');
+          isRedirecting.current = true;
+          router.push('/dashboard');
+        }
+      } catch {
+        showToast('An error occurred while loading link details', 'error');
+        isRedirecting.current = true;
+        router.push('/dashboard');
+      } finally {
+        setIsLoading(false);
+      }
+    }
+
+    fetchLinkData();
+  }, [shortId, router, showToast]);
+
+  useEffect(() => {
+    if (!link) return;
+
+    async function fetchAllAnalytics() {
+      try {
+        const response = await fetch(`/api/analytics?link_id=${shortId}&all=true`);
+        if (!response.ok) {
+          showToast('Failed to load complete analytics data', 'error');
+          return;
+        }
+
+        const data = await response.json();
+        if (data.success) {
+          setAllAnalytics(data.analytics);
+          setTotalAnalytics(data.pagination.total);
+        }
+      } catch {
+        showToast('An error occurred while loading complete analytics data', 'error');
+      }
+    }
+
+    fetchAllAnalytics();
+  }, [link, shortId, showToast]);
+
+  useEffect(() => {
+    if (!link) return;
+
+    async function fetchPaginatedAnalytics() {
+      try {
+        const response = await fetch(
+          `/api/analytics?link_id=${shortId}&page=${page}&limit=${limit}`
+        );
+        if (!response.ok) {
+          showToast('Failed to load analytics page', 'error');
+          return;
+        }
+
+        const data = await response.json();
+        if (data.success) {
+          setAnalytics(data.analytics);
+        }
+      } catch {
+        showToast('An error occurred while loading analytics page', 'error');
+      }
+    }
+
+    fetchPaginatedAnalytics();
+  }, [link, shortId, page, limit, showToast]);
+
+  useEffect(() => {
+    if (!link || allAnalytics.length === 0) return;
+
+    async function generateStats() {
+      setIsLoadingStats(true);
+      try {
+        // Browser stats
+        const browsers = allAnalytics.reduce((acc: Record<string, number>, item) => {
+          const browser = item.browser || 'Unknown';
+          acc[browser] = (acc[browser] || 0) + 1;
+          return acc;
+        }, {});
+
+        // OS stats
+        const oses = allAnalytics.reduce((acc: Record<string, number>, item) => {
+          const os = item.platform || 'Unknown';
+          acc[os] = (acc[os] || 0) + 1;
+          return acc;
+        }, {});
+
+        // Country stats
+        const countries = allAnalytics.reduce((acc: Record<string, number>, item) => {
+          const country = item.country || 'Unknown';
+          acc[country] = (acc[country] || 0) + 1;
+          return acc;
+        }, {});
+
+        // IP version stats
+        const ipVersions = allAnalytics.reduce((acc: Record<string, number>, item) => {
+          const ipVersion = item.ip_version || 'Unknown';
+          acc[ipVersion] = (acc[ipVersion] || 0) + 1;
+          return acc;
+        }, {});
+
+        // Convert to StatItem[] and sort by count
+        setBrowserStats(
+          Object.entries(browsers)
+            .map(([id, count]) => ({ id, count }))
+            .sort((a, b) => b.count - a.count)
+        );
+
+        setOsStats(
+          Object.entries(oses)
+            .map(([id, count]) => ({ id, count }))
+            .sort((a, b) => b.count - a.count)
+        );
+
+        setCountryStats(
+          Object.entries(countries)
+            .map(([id, count]) => ({ id, count }))
+            .sort((a, b) => b.count - a.count)
+        );
+
+        setIpVersionStats(
+          Object.entries(ipVersions)
+            .map(([id, count]) => ({ id, count }))
+            .sort((a, b) => b.count - a.count)
+        );
+      } catch {
+        showToast('An error occurred while processing analytics data', 'error');
+      } finally {
+        setIsLoadingStats(false);
+      }
+    }
+
+    generateStats();
+  }, [allAnalytics, link, showToast]);
+
+  const handlePageChange = (newPage: number) => {
+    setPage(newPage);
+  };
+
+  const handleEditLink = async () => {
+    if (!isValidUrl(targetUrl)) {
+      showToast('Please enter a valid URL', 'error');
+      return;
+    }
+
+    try {
+      const response = await fetch(`/api/link`, {
+        method: 'PATCH',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          shortId: shortId,
+          target_url: targetUrl,
+        }),
+      });
+
+      const data = await response.json();
+
+      if (data.success) {
+        showToast('Link updated successfully', 'success');
+        setIsEditing(false);
+        if (link) {
+          setLink({
+            ...link,
+            target_url: targetUrl,
+            last_modified: new Date(),
+          });
+        }
+      } else {
+        showToast(data.message || 'Failed to update link', 'error');
+      }
+    } catch {
+      showToast('An error occurred while updating the link', 'error');
+    }
+  };
+
+  const handleDeleteAnalytics = async () => {
+    try {
+      const response = await fetch('/api/analytics', {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          link_id: shortId,
+          analytics_id: analyticsToDelete,
+        }),
+      });
+
+      const data = await response.json();
+
+      if (data.success) {
+        showToast('Analytics entry deleted successfully', 'success');
+
+        setAnalytics(analytics.filter(item => item._id?.toString() !== analyticsToDelete));
+
+        setTotalAnalytics(prev => prev - 1);
+      } else {
+        showToast(data.message || 'Failed to delete analytics entry', 'error');
+      }
+    } catch {
+      showToast('An error occurred while deleting the analytics entry', 'error');
+    } finally {
+      setShowDeleteModal(false);
+      setAnalyticsToDelete('');
+    }
+  };
+
+  const handleDeleteAllAnalytics = async () => {
+    try {
+      const response = await fetch('/api/analytics', {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          link_id: shortId,
+          delete_all: true,
+        }),
+      });
+
+      const data = await response.json();
+
+      if (data.success) {
+        showToast('All analytics entries deleted successfully', 'success');
+
+        setAnalytics([]);
+        setTotalAnalytics(0);
+        setBrowserStats([]);
+        setOsStats([]);
+        setCountryStats([]);
+        setIpVersionStats([]);
+      } else {
+        showToast(data.message || 'Failed to delete all analytics entries', 'error');
+      }
+    } catch {
+      showToast('An error occurred while deleting all analytics entries', 'error');
+    } finally {
+      setShowDeleteAllModal(false);
+    }
+  };
+
+  if (isLoading) {
+    return (
+      <div className={styles.loadingContainer}>
+        <div className={styles.loader}></div>
+        <p>Loading link details...</p>
+      </div>
+    );
+  }
+
+  return (
+    <div className={styles.container}>
+      <div className={styles.header}>
+        <h1 className={styles.title}>Link Details</h1>
+        <Link href='/dashboard' className={styles.backLink}>
+          Back to Dashboard
+        </Link>
+      </div>
+
+      <div className={styles.linkInfo}>
+        <div className={styles.linkCard}>
+          <h2>Link Information</h2>
+          <div className={styles.linkDetails}>
+            <div className={styles.linkDetailItem}>
+              <span className={styles.label}>Short ID:</span>
+              <span className={styles.value}>{shortId}</span>
+            </div>
+
+            <div className={styles.targetUrlHeader}>
+              <div className={styles.linkDetailItem}>
+                <span className={styles.label}>Short URL:</span>
+                <a
+                  href={`${window.location.origin}/l/${shortId}`}
+                  target='_blank'
+                  rel='noopener noreferrer'
+                  className={styles.shortUrl}
+                >
+                  {`${window.location.origin}/l/${shortId}`}
+                </a>
+              </div>
+              <button
+                className={styles.defaultButton}
+                onClick={() => {
+                  navigator.clipboard.writeText(`${window.location.origin}/l/${shortId}`);
+                  showToast('URL copied to clipboard', 'success');
+                }}
+              >
+                Copy
+              </button>
+            </div>
+
+            <div className={styles.linkDetailItem}>
+              <span className={styles.label}>Created:</span>
+              <span className={styles.value}>
+                {link ? new Date(link.created_at).toLocaleString() : ''}
+              </span>
+            </div>
+
+            <div className={styles.linkDetailItem}>
+              <span className={styles.label}>Last Modified:</span>
+              <span className={styles.value}>
+                {link ? new Date(link.last_modified).toLocaleString() : ''}
+              </span>
+            </div>
+
+            <div className={styles.targetUrlSection}>
+              <div className={styles.targetUrlHeader}>
+                <span className={styles.label}>Target URL:</span>
+                {!isEditing && (
+                  <button className={styles.defaultButton} onClick={() => setIsEditing(true)}>
+                    Edit
+                  </button>
+                )}
+              </div>
+
+              {isEditing ? (
+                <form
+                  onSubmit={e => {
+                    e.preventDefault();
+                    handleEditLink();
+                  }}
+                  className={styles.editForm}
+                >
+                  <input
+                    ref={inputRef}
+                    type='url'
+                    value={targetUrl}
+                    onChange={e => setTargetUrl(e.target.value)}
+                    className={styles.urlInput}
+                    placeholder='https://example.com'
+                  />
+                  <div className={styles.editActions}>
+                    <button
+                      type='button'
+                      className={styles.cancelButton}
+                      onClick={() => {
+                        setIsEditing(false);
+                        setTargetUrl(link?.target_url || '');
+                      }}
+                    >
+                      Cancel
+                    </button>
+                    <button type='submit' className={styles.saveButton}>
+                      Save
+                    </button>
+                  </div>
+                </form>
+              ) : (
+                <a
+                  href={link?.target_url}
+                  target='_blank'
+                  rel='noopener noreferrer'
+                  className={styles.targetUrl}
+                >
+                  {link?.target_url}
+                </a>
+              )}
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div className={styles.analyticsSection}>
+        <div className={styles.analyticsHeader}>
+          <h2>Analytics</h2>
+          <span className={styles.totalClicks}>Total Clicks: {totalAnalytics}</span>
+          {totalAnalytics > 0 && (
+            <button className={styles.deleteAllButton} onClick={() => setShowDeleteAllModal(true)}>
+              Delete All Analytics
+            </button>
+          )}
+        </div>
+
+        {totalAnalytics > 0 ? (
+          <>
+            <div className={styles.graphs}>
+              <div className={styles.graphCard}>
+                <h3>Browsers</h3>
+                <Graph type='doughnut' data={browserStats} loading={isLoadingStats} height={200} />
+              </div>
+
+              <div className={styles.graphCard}>
+                <h3>Operating Systems</h3>
+                <Graph type='doughnut' data={osStats} loading={isLoadingStats} height={200} />
+              </div>
+
+              <div className={styles.graphCard}>
+                <h3>Countries</h3>
+                <Graph type='doughnut' data={countryStats} loading={isLoadingStats} height={200} />
+              </div>
+
+              <div className={styles.graphCard}>
+                <h3>IP Versions</h3>
+                <Graph
+                  type='doughnut'
+                  data={ipVersionStats}
+                  loading={isLoadingStats}
+                  height={200}
+                />
+              </div>
+            </div>
+
+            <AnalyticsTable
+              analytics={analytics}
+              allAnalytics={allAnalytics}
+              totalItems={totalAnalytics}
+              currentPage={page}
+              itemsPerPage={limit}
+              onPageChange={handlePageChange}
+              onDeleteClick={id => {
+                setAnalyticsToDelete(id);
+                setShowDeleteModal(true);
+              }}
+            />
+          </>
+        ) : (
+          <div className={styles.noAnalytics}>
+            <p>No clicks recorded yet for this link.</p>
+          </div>
+        )}
+      </div>
+
+      {/* Confirm Delete Modal */}
+      <ConfirmModal
+        isOpen={showDeleteModal}
+        title='Delete Analytics Entry'
+        message='Are you sure you want to delete this analytics entry? This action cannot be undone.'
+        confirmLabel='Delete'
+        cancelLabel='Cancel'
+        onConfirm={handleDeleteAnalytics}
+        onCancel={() => {
+          setShowDeleteModal(false);
+          setAnalyticsToDelete('');
+        }}
+      />
+
+      {/* Confirm Delete All Modal */}
+      <ConfirmModal
+        isOpen={showDeleteAllModal}
+        title='Delete All Analytics'
+        message='Are you sure you want to delete all analytics for this link? This action cannot be undone.'
+        confirmLabel='Delete All'
+        cancelLabel='Cancel'
+        onConfirm={handleDeleteAllAnalytics}
+        onCancel={() => setShowDeleteAllModal(false)}
+      />
+    </div>
+  );
+}

src/app/dashboard/page.tsx

@@ -0,0 +1,160 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { useSession } from 'next-auth/react';
+import { useRouter } from 'next/navigation';
+import Link from 'next/link';
+import LinkTable from '@/components/ui/dashboard/LinkTable';
+import styles from './Dashboard.module.css';
+import { useToast } from '@/contexts/ToastContext';
+
+export default function Dashboard() {
+  const { data: session, status } = useSession();
+  const router = useRouter();
+  const { showToast } = useToast();
+  const [links, setLinks] = useState([]);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    if (status === 'unauthenticated') {
+      router.push('/');
+    }
+  }, [status, router]);
+
+  useEffect(() => {
+    if (session?.user?.accountId) {
+      fetchLinks();
+    }
+  }, [session]);
+
+  const fetchLinks = async () => {
+    try {
+      setLoading(true);
+      const response = await fetch('/api/links');
+
+      if (!response.ok) {
+        throw new Error('Failed to fetch links');
+      }
+
+      const data = await response.json();
+      if (data.success) {
+        setLinks(data.links);
+      } else {
+        showToast(data.message || 'Failed to load links', 'error');
+      }
+    } catch (error) {
+      console.error('Error fetching links:', error);
+      showToast('Failed to load links', 'error');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  if (status === 'loading') {
+    return <div className={styles.loading}>Loading...</div>;
+  }
+
+  if (status === 'unauthenticated') {
+    return null;
+  }
+
+  return (
+    <div className={styles.dashboardContainer}>
+      <header className={styles.dashboardHeader}>
+        <h1 className={styles.dashboardTitle}>Dashboard</h1>
+        <div className={styles.actionButtons}>
+          <Link href='/dashboard/security'>
+            <button className={styles.securityButton}>Security Settings</button>
+          </Link>
+
+          {session?.user?.isAdmin && (
+            <Link href='/admin'>
+              <button className={styles.adminButton}>Admin Dashboard</button>
+            </Link>
+          )}
+        </div>
+      </header>
+
+      <section className={styles.urlShortener}>
+        <h2>Create New Short Link</h2>
+        <CreateLinkForm onLinkCreated={fetchLinks} />
+      </section>
+
+      <section className={styles.linksSection}>
+        <h2>Your Shortened Links</h2>
+        {loading ? (
+          <div className={styles.loading}>Loading your links...</div>
+        ) : links.length === 0 ? (
+          <div className={styles.noLinks}>
+            You haven&apos;t created any links yet. Create your first short link above!
+          </div>
+        ) : (
+          <LinkTable links={links} onLinkDeleted={fetchLinks} />
+        )}
+      </section>
+    </div>
+  );
+}
+
+interface CreateLinkFormProps {
+  onLinkCreated: () => void;
+}
+
+function CreateLinkForm({ onLinkCreated }: CreateLinkFormProps) {
+  const [url, setUrl] = useState('');
+  const [creating, setCreating] = useState(false);
+  const { showToast } = useToast();
+
+  const handleSubmit = async (e: { preventDefault: () => void }) => {
+    e.preventDefault();
+
+    if (!url.trim()) {
+      showToast('Please enter a URL', 'error');
+      return;
+    }
+
+    try {
+      setCreating(true);
+      const response = await fetch('/api/link', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ target_url: url }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('Link created successfully!', 'success');
+        setUrl('');
+        if (onLinkCreated) onLinkCreated();
+      } else {
+        showToast(data.message || 'Failed to create link', 'error');
+      }
+    } catch (error) {
+      console.error('Error creating link:', error);
+      showToast('Failed to create link', 'error');
+    } finally {
+      setCreating(false);
+    }
+  };
+
+  return (
+    <form onSubmit={handleSubmit} className={styles.createForm}>
+      <div className={styles.inputGroup}>
+        <input
+          type='url'
+          value={url}
+          onChange={e => setUrl(e.target.value)}
+          placeholder='Enter URL to shorten'
+          className={styles.urlInput}
+          required
+        />
+        <button type='submit' className={styles.createButton} disabled={creating}>
+          {creating ? 'Creating...' : 'Create Short Link'}
+        </button>
+      </div>
+    </form>
+  );
+}

src/app/dashboard/security/Security.module.css

@@ -0,0 +1,120 @@
+.container {
+  max-width: 75rem;
+  width: 100%;
+  margin: 0 auto;
+  padding: 2rem 1rem;
+}
+
+.header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 2rem;
+}
+
+.header h1 {
+  font-size: 2rem;
+  color: var(--text-primary);
+  margin: 0;
+}
+
+.backLink {
+  padding: 0.5rem 1rem;
+  border-radius: 4px;
+  background-color: var(--accent);
+  color: var(--text-primary);
+  text-decoration: none;
+  font-weight: 500;
+  transition: all 0.2s ease;
+}
+
+.backLink:hover {
+  opacity: 0.9;
+  transform: translateY(-2px);
+}
+
+.content {
+  display: flex;
+  flex-direction: column;
+  gap: 2rem;
+}
+
+.sessionSection,
+.dangerSection {
+  background-color: var(--card-bg);
+  border-radius: 8px;
+  padding: 1.5rem;
+  border: 1px solid var(--border-color);
+}
+
+.sessionSection h2,
+.dangerSection h2 {
+  font-size: 1.6rem;
+  margin: 0 0 1.5rem 0;
+  padding-bottom: 0.75rem;
+  border-bottom: 1px solid var(--border-color);
+  font-weight: 600;
+}
+
+.dangerSection h2 {
+  color: #dc3545;
+  border-bottom-color: rgba(220, 53, 69, 0.3);
+}
+
+.sessionSection {
+  margin-bottom: 1rem;
+}
+
+.dangerCard {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 1.5rem;
+  background-color: rgba(220, 53, 69, 0.05);
+  border: 1px solid rgba(220, 53, 69, 0.2);
+  border-radius: 4px;
+}
+
+.dangerInfo h3 {
+  margin-top: 0;
+  color: #dc3545;
+}
+
+.dangerInfo p {
+  color: var(--text-secondary);
+  margin-bottom: 0;
+}
+
+.deleteAccountBtn {
+  padding: 0.5rem 1rem;
+  background-color: #dc3545;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: background-color 0.2s ease;
+}
+
+.deleteAccountBtn:hover {
+  background-color: #c82333;
+}
+
+/* Responsive styles */
+@media (max-width: 768px) {
+  .header {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 1rem;
+  }
+
+  .dangerCard {
+    flex-direction: column;
+    gap: 1.5rem;
+    align-items: flex-start;
+  }
+
+  .deleteAccountBtn {
+    width: 100%;
+  }
+}

src/app/dashboard/security/page.tsx

@@ -0,0 +1,96 @@
+'use client';
+
+import { useState } from 'react';
+import { useSession, signOut } from 'next-auth/react';
+import { useRouter } from 'next/navigation';
+import Link from 'next/link';
+import { useToast } from '@/contexts/ToastContext';
+import SessionManager from '@/components/ui/dashboard/SessionManager';
+import ConfirmModal from '@/components/ui/ConfirmModal';
+import styles from './Security.module.css';
+
+export default function SecurityPage() {
+  const router = useRouter();
+  const { data: session } = useSession();
+  const { showToast } = useToast();
+  const [isDeleteModalOpen, setIsDeleteModalOpen] = useState(false);
+  const [isDeleting, setIsDeleting] = useState(false);
+
+  const handleAccountDeletion = async () => {
+    try {
+      setIsDeleting(true);
+
+      const response = await fetch('/api/auth/remove', {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ account_id: session?.user?.accountId }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('Account deleted successfully', 'success');
+
+        await signOut({ redirect: false });
+        router.push('/');
+      } else {
+        showToast(data.message || 'Failed to delete account', 'error');
+        setIsDeleteModalOpen(false);
+      }
+    } catch (error) {
+      console.error('Error deleting account:', error);
+      showToast('Failed to delete account', 'error');
+      setIsDeleteModalOpen(false);
+    } finally {
+      setIsDeleting(false);
+    }
+  };
+
+  return (
+    <div className={styles.container}>
+      <header className={styles.header}>
+        <h1>Security Settings</h1>
+        <Link href='/dashboard' className={styles.backLink}>
+          Back to Dashboard
+        </Link>
+      </header>
+
+      <div className={styles.content}>
+        <section className={styles.sessionSection}>
+          <SessionManager />
+        </section>
+
+        <section className={styles.dangerSection}>
+          <h2>Danger Zone</h2>
+          <div className={styles.dangerCard}>
+            <div className={styles.dangerInfo}>
+              <h3>Delete Account</h3>
+              <p>
+                This will permanently delete your account and all associated data. This action
+                cannot be undone.
+              </p>
+            </div>
+            <button
+              className={styles.deleteAccountBtn}
+              onClick={() => setIsDeleteModalOpen(true)}
+              disabled={isDeleting}
+            >
+              Delete Account
+            </button>
+          </div>
+        </section>
+      </div>
+
+      <ConfirmModal
+        isOpen={isDeleteModalOpen}
+        title='Delete Account'
+        message='Are you sure you want to delete your account? This will permanently remove your account and all your data, including all shortened links. This action cannot be undone.'
+        confirmLabel={isDeleting ? 'Deleting...' : 'Delete Account'}
+        onConfirm={handleAccountDeletion}
+        onCancel={() => setIsDeleteModalOpen(false)}
+      />
+    </div>
+  );
+}

src/app/globals.css

@@ -0,0 +1,67 @@
+@import "tailwindcss";
+
+/* Dark theme colors */
+:root {
+  --background: #ffffff;
+  --foreground: #171717;
+  --primary-color: #6366f1;
+  --primary-dark: #4143be;
+  --bg-primary: #121212;
+  --bg-secondary: #1e1e1e;
+  --text-primary: #f0f0f0;
+  --text-secondary: #a0a0a0;
+  --disabled-text: #777777;
+  --accent: #6366f1;
+  --accent-hover: #4f46e5;
+  --accent-disabled: #3a3cb6;
+  --card-bg: #252525;
+  --card-secondary-bg: #1d1d1d;
+  --card-shadow: #000000;
+  --border-color: #333333;
+  --success: #10b981;
+  --warning: #f59e0b;
+  --error: #ef4444;
+
+  --bg-color: #141313;
+  --disabled-bg: #161515;
+  --hover-bg: #1b1b1b;
+  --input-bg: #1d1d1d;
+  --table-header-bg: var(--card-secondary-bg);
+
+  --header-min-height: 4.5rem;
+  --footer-min-height: 3.5rem;
+}
+
+@theme inline {
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+}
+
+body {
+  background-color: var(--bg-primary);
+  color: var(--text-primary);
+  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
+  margin: 0;
+  padding: 0;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+}
+
+.page-content {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+  min-height: 100vh;
+  box-sizing: border-box;
+  padding-top: var(--header-min-height);
+  padding-bottom: var(--footer-min-height);
+}
+
+@media (max-width: 600px) {
+  .page-content {
+    padding-top: calc(var(--header-min-height) + 2rem);
+    padding-bottom: calc(var(--footer-min-height) + 2rem);
+  }
+}

src/app/l/[shortId]/route.ts

@@ -0,0 +1,34 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getTargetUrl } from '@/lib/linkdb';
+import { getClientInfo } from '@/lib/utils';
+import { saveAnalytics } from '@/lib/analyticsdb';
+import logger from '@/lib/logger';
+
+export async function GET(req: NextRequest, { params }: { params: Promise<{ shortId: string }> }) {
+  try {
+    const { shortId } = await params;
+
+    const link = await getTargetUrl(shortId);
+
+    if (!link || !link.target_url) {
+      return NextResponse.redirect(new URL('/not-found', req.url));
+    }
+
+    const clientInfo = await getClientInfo(req);
+
+    const analyticsData = {
+      link_id: shortId,
+      account_id: link.account_id,
+      ...clientInfo,
+    };
+
+    saveAnalytics(analyticsData).catch(err =>
+      logger.error('Failed to save analytics', { error: err, shortId })
+    );
+
+    return NextResponse.redirect(new URL(link.target_url));
+  } catch (error) {
+    logger.error('Link redirection error', error);
+    return NextResponse.redirect(new URL('/error', req.url));
+  }
+}

src/app/layout.tsx

@@ -0,0 +1,48 @@
+import Providers from '@/components/Providers';
+import type { Metadata } from 'next';
+import { Geist, Geist_Mono } from 'next/font/google';
+import Header from '@/components/header';
+import Footer from '@/components/footer';
+import { ToastProvider } from '@/contexts/ToastContext';
+import Toast from '@/components/ui/Toast';
+import ResponsiveLayout from '@/components/ResponsiveLayout';
+import SessionMonitor from '@/components/SessionMonitor';
+import './globals.css';
+
+const geistSans = Geist({
+  variable: '--font-geist-sans',
+  subsets: ['latin'],
+});
+
+const geistMono = Geist_Mono({
+  variable: '--font-geist-mono',
+  subsets: ['latin'],
+});
+
+export const metadata: Metadata = {
+  title: 'µLinkShortener',
+  description: 'Create short links and see who accessed them!',
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang='en'>
+      <body className={`${geistSans.variable} ${geistMono.variable} antialiased`}>
+        <Providers>
+          <ToastProvider>
+            <Header />
+            <div className='page-content'>{children}</div>
+            <Footer />
+            <Toast />
+            <SessionMonitor />
+            <ResponsiveLayout />
+          </ToastProvider>
+        </Providers>
+      </body>
+    </html>
+  );
+}

src/app/not-found/NotFound.module.css

@@ -0,0 +1,57 @@
+.default-container {
+  width: 100%;
+  max-width: 90%;
+  margin: 0 auto;
+  padding: 0 1.5rem;
+}
+@media (min-width: 768px) {
+  .default-container {
+    max-width: 80%;
+  }
+}
+@media (min-width: 1200px) {
+  .default-container {
+    max-width: 60%;
+  }
+}
+
+/* Hero section */
+.hero-section {
+  min-height: 25vh;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  padding: 3rem 0 2rem;
+}
+
+.hero-title {
+  font-size: 3.5rem;
+  font-weight: 700;
+  margin-bottom: 1.5rem;
+  background: linear-gradient(90deg, var(--accent), #9089fc);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+.hero-description {
+  font-size: 1.25rem;
+  line-height: 1.7;
+  color: var(--text-secondary);
+  margin-bottom: 2rem;
+}
+
+.hero-cta {
+  display: inline-block;
+  background-color: var(--accent);
+  color: white;
+  padding: 0.75rem 1.5rem;
+  border-radius: 0.375rem;
+  font-weight: 500;
+  text-decoration: none;
+  transition: background-color 0.2s;
+}
+
+.hero-cta:hover {
+  background-color: var(--accent-hover);
+}

src/app/not-found/page.tsx

@@ -0,0 +1,18 @@
+import Link from 'next/link';
+import styles from './NotFound.module.css';
+
+export default function NotFound() {
+  return (
+    <main className={styles['default-container']}>
+      <section className={styles['hero-section']}>
+        <h1 className={styles['hero-title']}>Link Not Found</h1>
+        <p className={styles['hero-description']}>
+          The shortened link you&apos;re looking for doesn&apos;t exist or has been removed.
+        </p>
+        <Link href='/' className={styles['hero-cta']}>
+          Go Home
+        </Link>
+      </section>
+    </main>
+  );
+}

src/app/page.tsx

@@ -0,0 +1,212 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { useRouter } from 'next/navigation';
+import { useSession, signIn } from 'next-auth/react';
+import { useToast } from '@/contexts/ToastContext';
+import Graph from '@/components/ui/Graph';
+import { StatItem } from '@/types/statistics';
+import styles from './Home.module.css';
+
+// Fallback sample data in case API fails (hopefully not)
+const sampleData = {
+  clicks: [
+    { id: 'Mon', count: 25 },
+    { id: 'Tue', count: 30 },
+    { id: 'Wed', count: 45 },
+    { id: 'Thu', count: 35 },
+    { id: 'Fri', count: 50 },
+    { id: 'Sat', count: 20 },
+    { id: 'Sun', count: 15 },
+  ],
+  geoData: [
+    { id: 'United States', count: 120 },
+    { id: 'Germany', count: 80 },
+    { id: 'United Kingdom', count: 65 },
+    { id: 'Canada', count: 45 },
+    { id: 'France', count: 40 },
+  ],
+  deviceData: [
+    { id: 'Desktop', count: 210 },
+    { id: 'Mobile', count: 180 },
+    { id: 'Tablet', count: 50 },
+  ],
+};
+
+export default function Home() {
+  const router = useRouter();
+  const { status } = useSession();
+  const { showToast } = useToast();
+  const [isLoading, setIsLoading] = useState(false);
+  const [statsLoading, setStatsLoading] = useState(true);
+
+  // State for real statistics data
+  const [ipVersionStats, setIpVersionStats] = useState<StatItem[]>([]);
+  const [osStats, setOsStats] = useState<StatItem[]>([]);
+  const [countryStats, setCountryStats] = useState<StatItem[]>([]);
+  const [ispStats, setIspStats] = useState<StatItem[]>([]);
+  const [totalClicks, setTotalClicks] = useState(0);
+  const [totalLinks, setTotalLinks] = useState(0);
+
+  useEffect(() => {
+    async function fetchStats() {
+      try {
+        setStatsLoading(true);
+        const response = await fetch('/api/statistics');
+
+        if (!response.ok) {
+          throw new Error('Failed to fetch statistics');
+        }
+
+        const data = await response.json();
+
+        if (data.success && data.stats) {
+          const { stats } = data;
+          setTotalLinks(stats.total_links || 0);
+          setTotalClicks(stats.total_clicks || 0);
+
+          if (stats.chart_data) {
+            setIpVersionStats(stats.chart_data.ip_versions || []);
+            setOsStats(stats.chart_data.os_stats || []);
+            setCountryStats(stats.chart_data.country_stats || []);
+            setIspStats(stats.chart_data.isp_stats || []);
+          }
+        }
+      } catch (error) {
+        console.error('Error fetching statistics:', error);
+      } finally {
+        setStatsLoading(false);
+      }
+    }
+
+    fetchStats();
+  }, []);
+
+  const handleGetStarted = async () => {
+    if (status === 'authenticated') {
+      router.push('/dashboard');
+      return;
+    }
+
+    setIsLoading(true);
+    try {
+      const response = await fetch('/api/auth/register', {
+        method: 'POST',
+      });
+
+      if (!response.ok) {
+        throw new Error('Registration failed');
+      }
+
+      const data = await response.json();
+
+      if (data.success && data.account_id) {
+        const signInResult = await signIn('credentials', {
+          accountId: data.account_id,
+          redirect: false,
+        });
+
+        if (signInResult?.error) {
+          throw new Error(signInResult.error);
+        }
+
+        showToast('Account created successfully!', 'success');
+        router.push('/dashboard');
+      } else {
+        throw new Error(data.message || 'Failed to create account');
+      }
+    } catch (error) {
+      console.error('Registration error:', error);
+      showToast('Failed to create an account. Please try again.', 'error');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <main className={styles['default-container']}>
+      {/* Hero Section */}
+      <section className={styles['hero-section']}>
+        <h1 className={styles['hero-title']}>µLinkShortener</h1>
+        <p className={styles['hero-description']}>
+          An analytics-driven URL shortening service to track and manage your links.
+        </p>
+        <button className={styles['hero-cta']} onClick={handleGetStarted} disabled={isLoading}>
+          {isLoading ? 'Loading...' : 'Get Started'}
+        </button>
+      </section>
+
+      {/* Stats Summary */}
+      <section className={styles['stats-summary']}>
+        <div className={styles['stats-container']}>
+          <div className={styles['stats-card']}>
+            <h3>Total Links</h3>
+            <p className={styles['stats-number']}>
+              {statsLoading ? '...' : totalLinks.toLocaleString()}
+            </p>
+          </div>
+          <div className={styles['stats-card']}>
+            <h3>Total Clicks</h3>
+            <p className={styles['stats-number']}>
+              {statsLoading ? '...' : totalClicks.toLocaleString()}
+            </p>
+          </div>
+        </div>
+      </section>
+
+      {/* Graphs Section */}
+      <section className={styles['graphs-section']}>
+        <h2 className={styles['graphs-title']}>Analytics Dashboard</h2>
+        <div className={styles['graphs-container']}>
+          <div className={styles['graph-card']}>
+            <h3 className={styles['graph-title']}>IP Versions</h3>
+            <div className={styles['graph-content']}>
+              <Graph
+                type='doughnut'
+                data={ipVersionStats.length > 0 ? ipVersionStats : sampleData.deviceData}
+                loading={statsLoading}
+                height={250}
+              />
+            </div>
+          </div>
+
+          <div className={styles['graph-card']}>
+            <h3 className={styles['graph-title']}>Operating Systems</h3>
+            <div className={styles['graph-content']}>
+              <Graph
+                type='doughnut'
+                data={osStats.length > 0 ? osStats : sampleData.deviceData}
+                loading={statsLoading}
+                height={250}
+              />
+            </div>
+          </div>
+
+          <div className={styles['graph-card']}>
+            <h3 className={styles['graph-title']}>Countries</h3>
+            <div className={styles['graph-content']}>
+              <Graph
+                type='doughnut'
+                data={countryStats.length > 0 ? countryStats : sampleData.geoData}
+                loading={statsLoading}
+                height={250}
+              />
+            </div>
+          </div>
+
+          <div className={styles['graph-card']}>
+            <h3 className={styles['graph-title']}>Internet Service Providers</h3>
+            <div className={styles['graph-content']}>
+              <Graph
+                type='doughnut'
+                data={ispStats.length > 0 ? ispStats : sampleData.geoData}
+                loading={statsLoading}
+                height={250}
+              />
+            </div>
+          </div>
+        </div>
+      </section>
+    </main>
+  );
+}

src/app/privacy/Privacy.module.css

@@ -0,0 +1,117 @@
+.default-container {
+  width: 100%;
+  max-width: 90%;
+  margin: 0 auto;
+  padding: 0 1.5rem;
+}
+@media (min-width: 768px) {
+  .default-container {
+    max-width: 80%;
+  }
+}
+@media (min-width: 1200px) {
+  .default-container {
+    max-width: 60%;
+  }
+}
+
+/* Hero section */
+.hero-section {
+  min-height: 25vh;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  padding: 3rem 0 2rem;
+}
+
+.hero-title {
+  font-size: 3.5rem;
+  font-weight: 700;
+  margin-bottom: 1.5rem;
+  background: linear-gradient(90deg, var(--accent), #9089fc);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+.hero-description {
+  font-size: 1.25rem;
+  line-height: 1.7;
+  color: var(--text-secondary);
+  margin-bottom: 2rem;
+}
+
+.hero-cta {
+  display: inline-block;
+  background-color: var(--accent);
+  color: white;
+  padding: 0.75rem 1.5rem;
+  border-radius: 0.375rem;
+  font-weight: 500;
+  text-decoration: none;
+  transition: background-color 0.2s;
+}
+
+.hero-cta:hover {
+  background-color: var(--accent-hover);
+}
+
+.content {
+  padding: 2rem 0 4rem;
+}
+
+.policy-text-container {
+  margin: 0 auto;
+}
+
+.policy-section-title {
+  font-size: 1.75rem;
+  margin-top: 2.5rem;
+  margin-bottom: 1rem;
+  color: var(--text-primary);
+  border-bottom: 1px solid var(--border-color);
+  padding-bottom: 0.5rem;
+}
+
+.policy-text {
+  color: var(--text-secondary);
+  line-height: 1.6;
+  margin-bottom: 2rem;
+}
+
+.policy-text p {
+  margin-bottom: 1rem;
+}
+
+.policy-text ul {
+  margin-left: 1.5rem;
+  margin-bottom: 1rem;
+  list-style-type: disc;
+}
+
+.policy-text li {
+  margin-bottom: 0.5rem;
+  display: list-item;
+}
+
+/* Make the first section title not have a large top margin */
+.policy-text-container .policy-section-title:first-child {
+  margin-top: 0;
+}
+
+@media (max-width: 768px) {
+  .policy-container {
+    grid-template-columns: 1fr;
+  }
+}
+
+.link {
+  color: var(--text-primary);
+  text-decoration: none;
+  transition: color 0.3s;
+}
+
+.link:hover {
+  color: var(--primary-color);
+  text-decoration: underline;
+}

src/app/privacy/page.tsx

@@ -0,0 +1,108 @@
+import Link from 'next/link';
+import styles from './Privacy.module.css';
+
+export default function PrivacyPage() {
+  return (
+    <main className={styles['default-container']}>
+      {/* Title Section */}
+      <section className={styles['hero-section']}>
+        <h1 className={styles['hero-title']}>Privacy Policy</h1>
+        <p className={styles['hero-description']}>
+          We are committed to respecting user privacy while maintaining the integrity and security
+          of our service. <br></br>This policy outlines what data we collect, why we collect it, and
+          how it is used.
+        </p>
+        <Link href='/' className={styles['hero-cta']}>
+          Back to Home
+        </Link>
+      </section>
+
+      {/* Privacy Content */}
+      <section className={styles.content}>
+        <div className={styles['policy-text-container']}>
+          <h2 className={styles['policy-section-title']}>Information We Collect</h2>
+          <div className={styles['policy-text']}>
+            <p>When you use our URL shortening service, we may collect:</p>
+            <ul>
+              <li>IP address</li>
+              <li>Browser and device information</li>
+              <li>Operating system</li>
+              <li>Referring websites</li>
+              <li>ISP information</li>
+              <li>Geographic location based on IP address</li>
+            </ul>
+            <p>
+              We also use cookies to store your account session and preferences for your
+              convenience.
+            </p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>How We Use Your Information</h2>
+          <div className={styles['policy-text']}>
+            <p>We use the collected information to:</p>
+            <ul>
+              <li>Provide and maintain our service</li>
+              <li>Generate anonymized statistics</li>
+              <li>Improve user experience</li>
+              <li>Detect and prevent abusive usage</li>
+              <li>Provide analytics to link creators</li>
+            </ul>
+            <p>
+              We do <strong>not</strong> sell or share your personal data with third parties, except
+              where required by law.
+            </p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Third-Party Services</h2>
+          <div className={styles['policy-text']}>
+            <p>
+              We use Cloudflare as a content delivery network (CDN) and security provider.
+              Cloudflare may process technical data such as IP addresses, request headers, and
+              browser metadata to deliver and protect the service. This data is handled in
+              accordance with{' '}
+              <Link href='https://www.cloudflare.com/privacypolicy/' className={styles.link}>
+                Cloudflare&apos;s Privacy Policy
+              </Link>
+              .
+            </p>
+            <p>We do not share user data with any other third-party services.</p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Data Retention</h2>
+          <div className={styles['policy-text']}>
+            <ul>
+              <li>
+                <strong>Analytics and usage data</strong> are retained until explicitly deleted by
+                the link creator.
+              </li>
+              <li>
+                <strong>User accounts and associated data</strong> are retained until a deletion
+                request is received.
+              </li>
+              <li>
+                Shortened URLs remain active until deleted by their creator or by us in accordance
+                with our Terms of Service.
+              </li>
+            </ul>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Your Rights</h2>
+          <div className={styles['policy-text']}>
+            <p>
+              You may request deletion of your account and associated data at any time by contacting
+              us. Deletion is permanent and cannot be reversed.
+            </p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Contact Us</h2>
+          <div className={styles['policy-text']}>
+            <p>If you have any questions about this Privacy Policy, please contact us at:</p>
+            <Link href='mailto:privacy.uLink@kizuren.dev' className={styles.link}>
+              privacy.uLink@kizuren.dev
+            </Link>
+          </div>
+        </div>
+      </section>
+    </main>
+  );
+}

src/app/tos/ToS.module.css

@@ -0,0 +1,116 @@
+.default-container {
+  width: 100%;
+  max-width: 90%;
+  margin: 0 auto;
+  padding: 0 1.5rem;
+}
+@media (min-width: 768px) {
+  .default-container {
+    max-width: 80%;
+  }
+}
+@media (min-width: 1200px) {
+  .default-container {
+    max-width: 60%;
+  }
+}
+
+/* Hero section */
+.hero-section {
+  min-height: 25vh;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  padding: 3rem 0 2rem;
+}
+
+.hero-title {
+  font-size: 3.5rem;
+  font-weight: 700;
+  margin-bottom: 1.5rem;
+  background: linear-gradient(90deg, var(--accent), #9089fc);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+.hero-description {
+  font-size: 1.25rem;
+  line-height: 1.7;
+  color: var(--text-secondary);
+  margin-bottom: 2rem;
+}
+
+.hero-cta {
+  display: inline-block;
+  background-color: var(--accent);
+  color: white;
+  padding: 0.75rem 1.5rem;
+  border-radius: 0.375rem;
+  font-weight: 500;
+  text-decoration: none;
+  transition: background-color 0.2s;
+}
+
+.hero-cta:hover {
+  background-color: var(--accent-hover);
+}
+
+.content {
+  padding: 2rem 0 4rem;
+}
+
+.policy-text-container {
+  margin: 0 auto;
+}
+
+.policy-section-title {
+  font-size: 1.75rem;
+  margin-top: 2.5rem;
+  margin-bottom: 1rem;
+  color: var(--text-primary);
+  border-bottom: 1px solid var(--border-color);
+  padding-bottom: 0.5rem;
+}
+
+.policy-text {
+  color: var(--text-secondary);
+  line-height: 1.6;
+  margin-bottom: 2rem;
+}
+
+.policy-text p {
+  margin-bottom: 1rem;
+}
+
+.policy-text ul {
+  margin-left: 1.5rem;
+  margin-bottom: 1rem;
+  list-style-type: disc;
+}
+
+.policy-text li {
+  margin-bottom: 0.5rem;
+  display: list-item;
+}
+
+.policy-text-container .policy-section-title:first-child {
+  margin-top: 0;
+}
+
+@media (max-width: 768px) {
+  .policy-container {
+    grid-template-columns: 1fr;
+  }
+}
+
+.link {
+  color: var(--text-primary);
+  text-decoration: none;
+  transition: color 0.3s;
+}
+
+.link:hover {
+  color: var(--primary-color);
+  text-decoration: underline;
+}

src/app/tos/page.tsx

@@ -0,0 +1,112 @@
+import Link from 'next/link';
+import styles from './ToS.module.css';
+
+export default function TermsOfServicePage() {
+  return (
+    <main className={styles['default-container']}>
+      {/* Title Section */}
+      <section className={styles['hero-section']}>
+        <h1 className={styles['hero-title']}>Terms of Service</h1>
+        <p className={styles['hero-description']}>
+          By using our URL shortening service, you agree to comply with these Terms of Service.
+          Please read them carefully before using the platform.
+        </p>
+        <Link href='/' className={styles['hero-cta']}>
+          Back to Home
+        </Link>
+      </section>
+
+      {/* Terms Content */}
+      <section className={styles.content}>
+        <div className={styles['policy-text-container']}>
+          <h2 className={styles['policy-section-title']}>Acceptance of Terms</h2>
+          <div className={styles['policy-text']}>
+            <p>
+              By accessing or using our URL shortening service, you agree to be bound by these Terms
+              of Service. If you do not agree to these terms, do not use the service.
+            </p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Description of Service</h2>
+          <div className={styles['policy-text']}>
+            <p>
+              We provide a URL shortening service with analytics and tracking functionality. The
+              service is provided “as is,” without guarantees or warranties of any kind.
+            </p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>User Responsibilities</h2>
+          <div className={styles['policy-text']}>
+            <p>
+              By using this service, you agree that you will <strong>not</strong>:
+            </p>
+            <ul>
+              <li>Use the service for any unlawful or unauthorized purpose</li>
+              <li>Distribute malware, phishing links, or any malicious code</li>
+              <li>
+                Infringe on any third party&apos;s intellectual property or proprietary rights
+              </li>
+              <li>Harass, spam, or abuse individuals or systems</li>
+              <li>
+                Attempt to probe, scan, or compromise our infrastructure or interfere with service
+                operation
+              </li>
+            </ul>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Content Restrictions</h2>
+          <div className={styles['policy-text']}>
+            <p>
+              You may <strong>not</strong> use the service to create or distribute links that direct
+              to content which:
+            </p>
+            <ul>
+              <li>Contains malware, viruses, or other harmful code</li>
+              <li>Facilitates or promotes illegal activity</li>
+              <li>Contains hate speech, discriminatory, or violent material</li>
+              <li>Infringes on intellectual property rights</li>
+              <li>Includes adult or explicit content without compliant age verification</li>
+              <li>Encourages self-harm, suicide, or criminal activity</li>
+            </ul>
+            <p>
+              We reserve the right to remove or disable any links at any time without explanation.
+            </p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Service Modifications</h2>
+          <div className={styles['policy-text']}>
+            <p>
+              We may modify, suspend, or discontinue any part of the service at any time, with or
+              without notice. We are not liable for any loss, data deletion, or disruption caused by
+              such changes.
+            </p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Termination</h2>
+          <div className={styles['policy-text']}>
+            <p>
+              We may suspend or terminate your access to the service at any time, with or without
+              notice, for any reason we deem appropriate. This includes, but is not limited to,
+              violations of these Terms, behavior we consider abusive, disruptive, unlawful, or
+              harmful to the service, to us, to other users, or to third parties. Termination is at
+              our sole discretion and may be irreversible. We are under no obligation to preserve,
+              return, or provide access to any data following termination.
+            </p>
+            <p>
+              Attempts to bypass suspension or re-register after termination may result in permanent
+              blocking.
+            </p>
+          </div>
+
+          <h2 className={styles['policy-section-title']}>Contact Us</h2>
+          <div className={styles['policy-text']}>
+            <p>If you have any questions about these Terms of Service, please contact us at:</p>
+            <Link href='mailto:terms.uLink@kizuren.dev' className={styles.link}>
+              terms.uLink@kizuren.dev
+            </Link>
+          </div>
+        </div>
+      </section>
+    </main>
+  );
+}

src/components/Footer.module.css

@@ -0,0 +1,53 @@
+.footer {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  min-height: var(--footer-min-height);
+  background-color: var(--bg-color);
+  border-top: 1px solid var(--primary-color);
+  padding: 1rem 0;
+  z-index: 100;
+}
+
+.content {
+  width: 100%;
+  margin: 0 auto;
+  padding: 0 1.5rem;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.copyright {
+  color: var(--text-primary);
+  font-size: 0.9rem;
+}
+
+.links {
+  display: flex;
+  gap: 20px;
+}
+
+.links a {
+  color: var(--primary-color);
+  text-decoration: none;
+  font-size: 0.9rem;
+  transition: color 0.3s;
+}
+
+.links a:hover {
+  color: var(--text-primary);
+  text-decoration: underline;
+}
+
+@media (max-width: 600px) {
+  .content {
+    flex-direction: column;
+    gap: 10px;
+  }
+
+  .footer {
+    height: auto;
+  }
+}

src/components/Header.module.css

@@ -0,0 +1,230 @@
+.header {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  min-height: var(--header-min-height);
+  background-color: var(--bg-color);
+  border-bottom: 1px solid var(--primary-color);
+  padding: 1rem 0;
+  z-index: 100;
+}
+
+.container {
+  max-width: 90%;
+  margin: 0 auto;
+  padding: 0 1.5rem;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.logo h1 {
+  margin: 0;
+  font-size: clamp(1rem, 2vw + 0.5rem, 1.5rem);
+  color: var(--primary-color);
+  white-space: nowrap;
+}
+
+.logo a {
+  text-decoration: none;
+}
+
+.auth {
+  display: flex;
+  gap: clamp(4px, 1vw, 10px);
+  align-items: center;
+  min-width: 0;
+  justify-content: flex-end;
+  flex-shrink: 1;
+}
+
+/* Base button styles for all buttons */
+.loginBtn,
+.registerBtn,
+.loginSubmitBtn,
+.logoutBtn,
+.dashboardBtn {
+  background-color: var(--accent);
+  color: var(--text-primary);
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  font-size: clamp(0.75rem, 1vw + 0.5rem, 0.9rem);
+  padding: clamp(4px, 1vw, 8px) clamp(8px, 2vw, 16px);
+}
+
+.loginBtn:hover,
+.registerBtn:hover,
+.loginSubmitBtn:hover,
+.dashboardBtn:hover {
+  background-color: var(--accent-hover);
+  filter: brightness(1.2);
+}
+
+.logoutBtn {
+  background-color: var(--error);
+}
+
+.logoutBtn:hover {
+  background-color: var(--error);
+  filter: brightness(0.8);
+}
+
+.cancelBtn {
+  background-color: transparent;
+  color: var(--text-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  font-size: clamp(0.75rem, 1vw + 0.5rem, 0.9rem);
+  padding: clamp(4px, 1vw, 8px) clamp(8px, 2vw, 16px);
+}
+
+.cancelBtn:hover {
+  background-color: rgba(255, 255, 255, 0.1);
+  color: var(--text-primary);
+}
+
+@media (max-width: 768px) {
+  .container {
+    padding: 0 1rem;
+  }
+
+  .auth {
+    gap: 5px;
+  }
+}
+
+@media (max-width: 600px) {
+  .container {
+    flex-direction: column;
+    gap: 15px;
+  }
+
+  .header {
+    height: auto;
+  }
+
+  .auth {
+    width: 100%;
+    justify-content: center;
+    gap: 10px;
+  }
+
+  .loginBtn,
+  .registerBtn {
+    padding: 8px 16px;
+    font-size: 0.9rem;
+  }
+}
+
+.loginForm {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+}
+
+.accountInput {
+  background-color: var(--card-bg);
+  border: 1px solid var(--border-color);
+  color: var(--text-primary);
+  padding: clamp(6px, 1vw, 8px) clamp(8px, 1.5vw, 12px);
+  border-radius: 4px;
+  outline: none;
+  transition: border-color 0.3s;
+  font-size: clamp(0.75rem, 1vw + 0.5rem, 0.9rem);
+}
+
+.cancelBtn {
+  background-color: transparent;
+  color: var(--text-secondary);
+  border: 1px solid var(--border-color);
+  padding: 8px 16px;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.3s;
+}
+
+.cancelBtn:hover {
+  background-color: rgba(255, 255, 255, 0.05);
+  color: var(--text-primary);
+}
+
+/* Animations */
+.animateIn {
+  animation: slideIn 0.3s ease forwards;
+}
+
+@keyframes slideIn {
+  from {
+    opacity: 0;
+    transform: translateY(-10px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@media (max-width: 600px) {
+  .loginForm {
+    flex-direction: column;
+    align-items: stretch;
+  }
+
+  .auth {
+    min-width: auto;
+  }
+}
+
+.userInfo {
+  display: flex;
+  gap: clamp(5px, 1vw, 10px);
+  align-items: center;
+}
+
+.accountIdDisplay {
+  font-size: clamp(0.7rem, 1vw + 0.4rem, 0.9rem);
+  padding: clamp(3px, 0.5vw, 4px) clamp(6px, 1vw, 8px);
+  color: var(--text-primary);
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+  cursor: pointer;
+  position: relative;
+  transition: all 0.2s ease;
+}
+
+.accountIdDisplay:hover {
+  background-color: var(--bg-secondary);
+  border-color: var(--accent);
+}
+
+.accountIdDisplay:hover .copyIndicator {
+  opacity: 1;
+}
+
+.copyMessage {
+  position: absolute;
+  top: 25px;
+  left: 50%;
+  transform: translateX(-50%);
+  background-color: var(--accent);
+  color: white;
+  padding: 3px 8px;
+  border-radius: 4px;
+  font-size: 0.7rem;
+  opacity: 0;
+  transition: opacity 0.2s;
+  pointer-events: none;
+}
+
+.copied .copyMessage {
+  opacity: 1;
+}
+
+.idLabel {
+  color: var(--text-secondary);
+}

src/components/Providers.tsx

@@ -0,0 +1,7 @@
+'use client';
+
+import { SessionProvider } from 'next-auth/react';
+
+export default function Providers({ children }: { children: React.ReactNode }) {
+  return <SessionProvider>{children}</SessionProvider>;
+}

src/components/ResponsiveLayout.tsx

@@ -0,0 +1,43 @@
+'use client';
+
+import { useEffect } from 'react';
+
+export default function ResponsiveLayout() {
+  const adjustLayout = () => {
+    const header = document.querySelector('header');
+    const footer = document.querySelector('footer');
+    const content = document.querySelector('.page-content');
+
+    if (header && footer && content) {
+      const headerHeight = header.getBoundingClientRect().height;
+      const footerHeight = footer.getBoundingClientRect().height;
+
+      (content as HTMLElement).style.paddingTop = `${headerHeight}px`;
+      (content as HTMLElement).style.paddingBottom = `${footerHeight}px`;
+    }
+  };
+
+  useEffect(() => {
+    adjustLayout();
+    window.addEventListener('resize', adjustLayout);
+
+    const observer = new MutationObserver(() => {
+      setTimeout(adjustLayout, 100);
+    });
+
+    const header = document.querySelector('header');
+    const footer = document.querySelector('footer');
+
+    if (header && footer) {
+      observer.observe(header, { subtree: true, childList: true, attributes: true });
+      observer.observe(footer, { subtree: true, childList: true, attributes: true });
+    }
+
+    return () => {
+      window.removeEventListener('resize', adjustLayout);
+      observer.disconnect();
+    };
+  }, []);
+
+  return null;
+}

src/components/SessionMonitor.tsx

@@ -0,0 +1,45 @@
+'use client';
+
+import { useEffect, useRef } from 'react';
+import { signOut, useSession } from 'next-auth/react';
+import { useToast } from '@/contexts/ToastContext';
+
+export default function SessionMonitor() {
+  const { data: session } = useSession();
+  const { showToast } = useToast();
+  const intervalRef = useRef<NodeJS.Timeout | null>(null);
+
+  useEffect(() => {
+    if (intervalRef.current) {
+      clearInterval(intervalRef.current);
+    }
+
+    if (!session?.user) return;
+
+    const checkSession = async () => {
+      try {
+        const res = await fetch('/api/auth/check-session');
+
+        if (!res.ok) {
+          const data = await res.json();
+          console.log('Session check failed:', data.message);
+
+          showToast('Your session has expired or been revoked from another device', 'error');
+          await signOut({ redirect: true, callbackUrl: '/' });
+        }
+      } catch (error) {
+        console.error('Error checking session:', error);
+      }
+    };
+
+    intervalRef.current = setInterval(checkSession, 10000);
+
+    return () => {
+      if (intervalRef.current) {
+        clearInterval(intervalRef.current);
+      }
+    };
+  }, [session, showToast]);
+
+  return null;
+}

src/components/footer.tsx

@@ -0,0 +1,17 @@
+import Link from 'next/link';
+import styles from './Footer.module.css';
+
+export default function Footer() {
+  return (
+    <footer className={styles.footer}>
+      <div className={styles.content}>
+        <div className={styles.copyright}>© {new Date().getFullYear()} µLinkShortener</div>
+        <div className={styles.links}>
+          <Link href='/privacy'>Privacy Policy</Link>
+          <Link href='/tos'>Terms of Service</Link>
+          <Link href='https://github.com/Kizuren/uLinkShortener'>GitHub</Link>
+        </div>
+      </div>
+    </footer>
+  );
+}

src/components/header.tsx

@@ -0,0 +1,189 @@
+'use client';
+
+import Link from 'next/link';
+import { useState, useRef, useEffect } from 'react';
+import { useRouter } from 'next/navigation';
+import { signIn, signOut, useSession } from 'next-auth/react';
+import styles from './Header.module.css';
+import LoadingIcon from '@/components/ui/LoadingIcon';
+import { useToast } from '@/contexts/ToastContext';
+
+const copyAccountIdToClipboard = (accountId: string) => {
+  if (navigator.clipboard && accountId) {
+    navigator.clipboard
+      .writeText(accountId)
+      .then(() => {
+        const displayElement = document.querySelector(`.${styles.accountIdDisplay}`);
+        if (displayElement) {
+          displayElement.classList.add(styles.copied);
+          setTimeout(() => {
+            displayElement.classList.remove(styles.copied);
+          }, 1500);
+        }
+      })
+      .catch(err => {
+        console.error('Failed to copy: ', err);
+      });
+  }
+};
+
+export default function Header() {
+  const [showLoginForm, setShowLoginForm] = useState(false);
+  const [isLoading, setIsLoading] = useState(false);
+  const inputRef = useRef<HTMLInputElement>(null);
+  const router = useRouter();
+  const { data: session, status } = useSession();
+  const { showToast } = useToast();
+
+  const isLoggedIn = status === 'authenticated';
+  const accountId = (session?.user?.accountId as string) || '';
+
+  useEffect(() => {
+    if (showLoginForm && inputRef.current) {
+      setTimeout(() => {
+        inputRef.current?.focus();
+      }, 10);
+    }
+  }, [showLoginForm]);
+
+  const handleLoginSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    const enteredAccountId = inputRef.current?.value;
+
+    if (enteredAccountId) {
+      setIsLoading(true);
+      try {
+        const result = await signIn('credentials', {
+          accountId: enteredAccountId,
+          redirect: false,
+        });
+
+        if (result?.error) {
+          showToast('Account not found. Please check your Account ID.', 'error');
+        } else {
+          setShowLoginForm(false);
+          router.push('/dashboard');
+        }
+      } catch (error) {
+        console.error('Login error:', error);
+        showToast('An error occurred during login. Please try again.', 'error');
+      } finally {
+        setIsLoading(false);
+      }
+    }
+  };
+
+  const handleRegister = async () => {
+    setIsLoading(true);
+    try {
+      const response = await fetch('/api/auth/register', {
+        method: 'POST',
+      });
+
+      if (!response.ok) {
+        throw new Error('Registration failed');
+      }
+
+      const data = await response.json();
+
+      if (data.success && data.account_id) {
+        await signIn('credentials', {
+          accountId: data.account_id,
+          redirect: false,
+        });
+
+        router.push('/dashboard');
+      } else {
+        throw new Error(data.message || 'Failed to create account');
+      }
+    } catch (error) {
+      console.error('Registration error:', error);
+      showToast('An error occurred during registration. Please try again.', 'error');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleLogout = async () => {
+    setIsLoading(true);
+    try {
+      await signOut({ redirect: false });
+      router.push('/');
+    } catch (error) {
+      console.error('Logout error:', error);
+      showToast('An error occurred during logout. Please try again.', 'error');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <header className={styles.header}>
+      <div className={styles.container}>
+        <div className={styles.logo}>
+          <Link href='/'>
+            <h1>µLinkShortener</h1>
+          </Link>
+        </div>
+
+        <div className={styles.auth}>
+          {status === 'loading' || isLoading ? (
+            <LoadingIcon size={24} color='var(--accent)' />
+          ) : isLoggedIn ? (
+            <div className={`${styles.userInfo} ${styles.animateIn}`}>
+              <span
+                className={styles.accountIdDisplay}
+                onClick={() => copyAccountIdToClipboard(accountId)}
+                title='Click to copy account ID'
+              >
+                <span className={styles.idLabel}>Account ID: </span>
+                {accountId}
+                <span className={styles.copyMessage}>Copied!</span>
+              </span>
+              <button className={styles.logoutBtn} onClick={handleLogout}>
+                Logout
+              </button>
+              <Link href='/dashboard'>
+                <button className={styles.dashboardBtn}>Dashboard</button>
+              </Link>
+            </div>
+          ) : !showLoginForm ? (
+            <>
+              <button className={styles.loginBtn} onClick={() => setShowLoginForm(true)}>
+                Login
+              </button>
+              <button className={styles.registerBtn} onClick={handleRegister}>
+                Register
+              </button>
+            </>
+          ) : (
+            <form
+              onSubmit={handleLoginSubmit}
+              className={`${styles.loginForm} ${styles.animateIn}`}
+            >
+              <input
+                ref={inputRef}
+                type='text'
+                placeholder='Enter Account ID'
+                pattern='[0-9]*'
+                inputMode='numeric'
+                className={styles.accountInput}
+                required
+              />
+              <button type='submit' className={styles.loginSubmitBtn}>
+                Login
+              </button>
+              <button
+                type='button'
+                className={styles.cancelBtn}
+                onClick={() => setShowLoginForm(false)}
+              >
+                Cancel
+              </button>
+            </form>
+          )}
+        </div>
+      </div>
+    </header>
+  );
+}

src/components/ui/ConfirmModal.module.css

@@ -0,0 +1,94 @@
+.modalOverlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.7);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.modalContent {
+  background: var(--card-bg);
+  border: 1px solid var(--accent);
+  border-radius: 8px;
+  padding: 24px;
+  max-width: 400px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.modalTitle {
+  margin-top: 0;
+  margin-bottom: 16px;
+  color: var(--text-primary);
+  font-weight: 600;
+  font-size: 1.25rem;
+}
+
+.modalBody {
+  margin-bottom: 24px;
+  color: var(--text-secondary);
+  line-height: 1.5;
+}
+
+.modalFooter {
+  display: flex;
+  justify-content: flex-end;
+  gap: 12px;
+}
+
+.cancelButton,
+.confirmButton {
+  padding: 8px 16px;
+  border-radius: 4px;
+  font-size: 0.9rem;
+  cursor: pointer;
+  transition: background-color 0.2s ease;
+  border: none;
+}
+
+.cancelButton {
+  background-color: transparent;
+  color: var(--text-primary);
+  border: 1px solid var(--border-color);
+  border-radius: 0.25rem;
+}
+
+.confirmButton {
+  background-color: #dc3545;
+  color: white;
+}
+
+.cancelButton:hover {
+  opacity: 0.8;
+}
+
+.confirmButton:hover {
+  background-color: #c82333;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}

src/components/ui/ConfirmModal.tsx

@@ -0,0 +1,86 @@
+'use client';
+
+import { useEffect, useRef } from 'react';
+import styles from './ConfirmModal.module.css';
+
+interface ConfirmModalProps {
+  isOpen: boolean;
+  title: string;
+  message: string;
+  confirmLabel?: string;
+  cancelLabel?: string;
+  onConfirm: () => void;
+  onCancel: () => void;
+}
+
+export default function ConfirmModal({
+  isOpen,
+  title,
+  message,
+  confirmLabel = 'Delete',
+  cancelLabel = 'Cancel',
+  onConfirm,
+  onCancel,
+}: ConfirmModalProps) {
+  const modalRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    // Focus trap for accessibility
+    if (isOpen) {
+      // Prevent scrolling of background content
+      document.body.style.overflow = 'hidden';
+
+      // Auto focus the first button
+      const focusableElements = modalRef.current?.querySelectorAll(
+        'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'
+      );
+
+      if (focusableElements && focusableElements.length > 0) {
+        (focusableElements[0] as HTMLElement).focus();
+      }
+
+      // Handle escape key press
+      const handleKeyDown = (e: KeyboardEvent) => {
+        if (e.key === 'Escape') {
+          onCancel();
+        }
+      };
+
+      document.addEventListener('keydown', handleKeyDown);
+      return () => {
+        document.body.style.overflow = '';
+        document.removeEventListener('keydown', handleKeyDown);
+      };
+    }
+  }, [isOpen, onCancel]);
+
+  if (!isOpen) return null;
+
+  return (
+    <div className={styles.modalOverlay} onClick={onCancel}>
+      <div
+        className={styles.modalContent}
+        onClick={e => e.stopPropagation()}
+        ref={modalRef}
+        role='dialog'
+        aria-labelledby='modal-title'
+        aria-modal='true'
+      >
+        <h3 id='modal-title' className={styles.modalTitle}>
+          {title}
+        </h3>
+        <div className={styles.modalBody}>
+          <p>{message}</p>
+        </div>
+        <div className={styles.modalFooter}>
+          <button className={styles.cancelButton} onClick={onCancel}>
+            {cancelLabel}
+          </button>
+          <button className={styles.confirmButton} onClick={onConfirm}>
+            {confirmLabel}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

src/components/ui/Graph.module.css

@@ -0,0 +1,46 @@
+.graphContainer {
+  width: 100%;
+  position: relative;
+  overflow: hidden;
+  box-sizing: border-box;
+  padding: 0.5rem;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.loadingContainer {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  background-color: var(--card-bg);
+  z-index: 5;
+}
+
+.noData {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  color: var(--text-secondary);
+  font-size: 1rem;
+}
+
+@media (max-width: 768px) {
+  .graphContainer {
+    height: auto !important;
+    min-height: 15.625rem;
+  }
+}
+
+@media (max-width: 480px) {
+  .graphContainer {
+    min-height: 12.5rem;
+  }
+}

src/components/ui/Graph.tsx

@@ -0,0 +1,296 @@
+'use client';
+
+import { useEffect, useState, useRef } from 'react';
+import {
+  Chart as ChartJS,
+  CategoryScale,
+  LinearScale,
+  PointElement,
+  LineElement,
+  BarElement,
+  ArcElement,
+  Title,
+  Tooltip,
+  Legend,
+} from 'chart.js';
+import { Bar, Line, Doughnut } from 'react-chartjs-2';
+import styles from './Graph.module.css';
+import LoadingIcon from './LoadingIcon';
+import type { StatItem } from '@/types/statistics';
+
+ChartJS.register(
+  CategoryScale,
+  LinearScale,
+  PointElement,
+  LineElement,
+  BarElement,
+  ArcElement,
+  Title,
+  Tooltip,
+  Legend
+);
+
+export type GraphType = 'bar' | 'line' | 'doughnut';
+
+interface GraphProps {
+  title?: string;
+  type: GraphType;
+  data: StatItem[];
+  loading?: boolean;
+  height?: number;
+  maxItems?: number;
+  colors?: string[];
+}
+
+const defaultColors = [
+  '#6366f1', // Indigo
+  '#4f46e5', // Darker indigo
+  '#8b5cf6', // Purple
+  '#ec4899', // Pink
+  '#ef4444', // Red
+  '#f59e0b', // Amber
+  '#10b981', // Emerald
+  '#3b82f6', // Blue
+  '#a855f7', // Purple
+  '#14b8a6', // Teal
+];
+
+export default function Graph({
+  title,
+  type,
+  data,
+  loading = false,
+  height = 200,
+  maxItems = 8,
+  colors = defaultColors,
+}: GraphProps) {
+  const [chartLabels, setChartLabels] = useState<string[]>([]);
+  const [chartValues, setChartValues] = useState<number[]>([]);
+  const [chartColors, setChartColors] = useState<string[]>([]);
+  const chartRef = useRef<ChartJS | null>(null);
+  const containerRef = useRef<HTMLDivElement>(null);
+
+  // Process data and update state
+  useEffect(() => {
+    if (!data || data.length === 0) return;
+
+    // Limit data to maxItems and group the rest as "Others"
+    const processedData = [...data];
+    let labels: string[] = [];
+    let values: number[] = [];
+
+    if (processedData.length > maxItems) {
+      const topItems = processedData.slice(0, maxItems - 1);
+      const others = processedData.slice(maxItems - 1);
+
+      labels = topItems.map(item => item.id);
+      values = topItems.map(item => item.count);
+
+      const othersSum = others.reduce((sum, item) => sum + item.count, 0);
+      labels.push('Others');
+      values.push(othersSum);
+    } else {
+      labels = processedData.map(item => item.id);
+      values = processedData.map(item => item.count);
+    }
+
+    setChartLabels(labels);
+    setChartValues(values);
+    setChartColors(colors.slice(0, labels.length));
+  }, [data, maxItems, colors]);
+
+  // Handle resize and respond to container size changes
+  useEffect(() => {
+    const resizeObserver = new ResizeObserver(() => {
+      if (chartRef.current) {
+        chartRef.current.update();
+      }
+    });
+
+    const currentContainer = containerRef.current;
+
+    if (currentContainer) {
+      resizeObserver.observe(currentContainer);
+    }
+
+    // Also handle window resize
+    const handleResize = () => {
+      if (chartRef.current) {
+        chartRef.current.update();
+      }
+    };
+
+    window.addEventListener('resize', handleResize);
+
+    return () => {
+      if (currentContainer) {
+        resizeObserver.unobserve(currentContainer);
+      }
+      window.removeEventListener('resize', handleResize);
+    };
+  }, []);
+
+  const getOptions = () => {
+    const baseOptions = {
+      responsive: true,
+      maintainAspectRatio: false,
+      plugins: {
+        legend: {
+          display: type === 'doughnut',
+          position: 'bottom' as const,
+          labels: {
+            color: 'white',
+            font: {
+              size: 10,
+            },
+            boxWidth: 12,
+            padding: 10,
+          },
+        },
+        tooltip: {
+          backgroundColor: 'var(--card-bg)',
+          titleColor: 'white',
+          bodyColor: 'white',
+          borderColor: 'var(--border-color)',
+          borderWidth: 1,
+          padding: 8,
+          boxWidth: 10,
+          boxHeight: 10,
+        },
+      },
+      color: 'white',
+    };
+
+    // Only add scales for bar and line charts
+    if (type !== 'doughnut') {
+      return {
+        ...baseOptions,
+        scales: {
+          x: {
+            ticks: {
+              color: 'white',
+              font: {
+                size: 10,
+              },
+              maxRotation: 45,
+              minRotation: 45,
+              autoSkip: true,
+              maxTicksLimit: 10,
+            },
+            grid: {
+              color: 'rgba(255, 255, 255, 0.1)',
+              border: {
+                display: false,
+              },
+            },
+          },
+          y: {
+            beginAtZero: true,
+            ticks: {
+              color: 'white',
+              font: {
+                size: 10,
+              },
+              precision: 0,
+            },
+            grid: {
+              color: 'rgba(255, 255, 255, 0.1)',
+              border: {
+                display: false,
+              },
+            },
+          },
+        },
+      };
+    }
+
+    return baseOptions;
+  };
+
+  // Create properly typed data objects for each chart type
+  const getBarData = () => ({
+    labels: chartLabels,
+    datasets: [
+      {
+        label: title || 'Data',
+        data: chartValues,
+        backgroundColor: chartColors,
+        borderColor: chartColors,
+        borderWidth: 1,
+        borderRadius: 4,
+      },
+    ],
+  });
+
+  const getLineData = () => ({
+    labels: chartLabels,
+    datasets: [
+      {
+        label: title || 'Data',
+        data: chartValues,
+        backgroundColor: chartColors[0],
+        borderColor: chartColors[0],
+        borderWidth: 2,
+        tension: 0.1,
+        pointRadius: 3,
+        pointHoverRadius: 5,
+      },
+    ],
+  });
+
+  const getDoughnutData = () => ({
+    labels: chartLabels,
+    datasets: [
+      {
+        label: title || 'Data',
+        data: chartValues,
+        backgroundColor: chartColors,
+        borderColor: chartColors,
+        borderWidth: 1,
+        hoverOffset: 5,
+      },
+    ],
+  });
+
+  return (
+    <div ref={containerRef} className={styles.graphContainer} style={{ height: `${height}px` }}>
+      {loading ? (
+        <div className={styles.loadingContainer}>
+          <LoadingIcon size={40} />
+        </div>
+      ) : data && data.length > 0 ? (
+        <>
+          {type === 'bar' && (
+            <Bar
+              data={getBarData()}
+              options={getOptions()}
+              ref={ref => {
+                if (ref) chartRef.current = ref;
+              }}
+            />
+          )}
+          {type === 'line' && (
+            <Line
+              data={getLineData()}
+              options={getOptions()}
+              ref={ref => {
+                if (ref) chartRef.current = ref;
+              }}
+            />
+          )}
+          {type === 'doughnut' && (
+            <Doughnut
+              data={getDoughnutData()}
+              options={getOptions()}
+              ref={ref => {
+                if (ref) chartRef.current = ref;
+              }}
+            />
+          )}
+        </>
+      ) : (
+        <div className={styles.noData}>No data available</div>
+      )}
+    </div>
+  );
+}

src/components/ui/LoadingIcon.tsx

@@ -0,0 +1,46 @@
+'use client';
+
+interface LoadingIconProps {
+  size?: number;
+  color?: string;
+  thickness?: number;
+  className?: string;
+}
+
+export default function LoadingIcon({
+  size = 24,
+  color = 'var(--accent)',
+  thickness = 2,
+  className = '',
+}: LoadingIconProps) {
+  return (
+    <div
+      className={`loading-spinner ${className}`}
+      style={{
+        width: `${size}px`,
+        height: `${size}px`,
+        borderWidth: `${thickness}px`,
+        borderColor: `${color}20`,
+        borderTopColor: color,
+      }}
+    >
+      <style jsx>{`
+        .loading-spinner {
+          display: inline-block;
+          border-style: solid;
+          border-radius: 50%;
+          animation: spin 1s linear infinite;
+        }
+        
+        @keyframes spin {
+          0% {
+            transform: rotate(0deg);
+          }
+          100% {
+            transform: rotate(360deg);
+          }
+        }
+      `}</style>
+    </div>
+  );
+}

src/components/ui/Toast.module.css

@@ -0,0 +1,63 @@
+.toastContainer {
+  position: fixed;
+  top: 20px;
+  right: 20px;
+  z-index: 9999;
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+  max-width: 350px;
+}
+
+.toast {
+  padding: 12px 20px;
+  border-radius: 4px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  font-size: 0.9rem;
+  cursor: pointer;
+  opacity: 0;
+  transform: translateY(-20px);
+  transition:
+    opacity 0.3s,
+    transform 0.3s;
+}
+
+.toast.error {
+  background-color: var(--error);
+  color: white;
+  border-left: 4px solid #c62828;
+}
+
+.toast.success {
+  background-color: var(--success);
+  color: white;
+  border-left: 4px solid #2e7d32;
+}
+
+.toast.info {
+  background-color: var(--accent);
+  color: white;
+  border-left: 4px solid var(--accent-hover);
+}
+
+.toast.warning {
+  background-color: var(--warning);
+  color: white;
+  border-left: 4px solid #f57c00;
+}
+
+.toastShow {
+  opacity: 1;
+  transform: translateY(0);
+  animation: fadeOut 2s forwards;
+  animation-delay: 1s;
+}
+
+@keyframes fadeOut {
+  from {
+    opacity: 1;
+  }
+  to {
+    opacity: 0;
+  }
+}

src/components/ui/Toast.tsx

@@ -0,0 +1,24 @@
+'use client';
+
+import { useToast } from '@/contexts/ToastContext';
+import styles from './Toast.module.css';
+
+export default function Toast() {
+  const { toasts, hideToast } = useToast();
+
+  if (toasts.length === 0) return null;
+
+  return (
+    <div className={styles.toastContainer}>
+      {toasts.map(toast => (
+        <div
+          key={toast.id}
+          className={`${styles.toast} ${styles[toast.type]} ${styles.toastShow}`}
+          onClick={() => hideToast(toast.id)}
+        >
+          {toast.message}
+        </div>
+      ))}
+    </div>
+  );
+}

src/components/ui/admin/AdminLinkTable.module.css

@@ -0,0 +1,219 @@
+.tableWrapper {
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+  margin-top: 1rem;
+}
+
+.searchContainer {
+  position: relative;
+  margin-bottom: 1rem;
+}
+
+.searchInput {
+  width: 100%;
+  padding: 0.75rem 1rem;
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+  background-color: var(--input-bg);
+  color: var(--text-primary);
+  font-size: 1rem;
+  box-sizing: border-box;
+}
+
+.clearSearchButton {
+  position: absolute;
+  right: 10px;
+  top: 50%;
+  transform: translateY(-50%);
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  cursor: pointer;
+  font-size: 1rem;
+  padding: 5px;
+}
+
+.clearSearchButton:hover {
+  color: var(--text-primary);
+}
+
+.noResults {
+  padding: 2rem;
+  text-align: center;
+  color: var(--text-secondary);
+  border: 1px dashed var(--border-color);
+  border-radius: 4px;
+  margin-top: 1rem;
+}
+
+.tableContainer {
+  overflow-x: auto;
+  width: 100%;
+  max-width: 100%;
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+}
+
+.linkTable {
+  width: 100%;
+  border-collapse: collapse;
+  font-size: 0.9rem;
+  table-layout: fixed;
+}
+
+.linkTable th,
+.linkTable td {
+  padding: 0.75rem 1rem;
+  text-align: left;
+  border-bottom: 1px solid var(--border-color);
+  word-wrap: break-word;
+  overflow-wrap: break-word;
+}
+
+.linkTable th {
+  background-color: var(--table-header-bg);
+  color: var(--text-primary);
+  font-weight: 600;
+}
+
+.linkTable tr:hover {
+  background-color: var(--hover-bg);
+}
+
+.shortLinkCell {
+  width: 15%;
+}
+
+.shortLink {
+  color: var(--accent);
+  text-decoration: none;
+  font-weight: 500;
+  font-family: var(--font-geist-mono);
+}
+
+.shortLink:hover {
+  text-decoration: underline;
+}
+
+.targetUrl {
+  width: 40%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.targetUrl a {
+  color: var(--text-secondary);
+  text-decoration: none;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  display: block;
+}
+
+.targetUrl a:hover {
+  text-decoration: underline;
+  color: var(--text-primary);
+}
+
+.actions {
+  display: flex;
+  gap: 0.5rem;
+  width: 15%;
+}
+
+.copyButton,
+.deleteButton {
+  padding: 0.4rem 0.75rem;
+  border-radius: 4px;
+  border: none;
+  font-size: 0.8rem;
+  cursor: pointer;
+  transition: background-color 0.2s ease;
+  white-space: nowrap;
+}
+
+.copyButton {
+  background-color: var(--accent);
+  color: white;
+}
+
+.copyButton:hover {
+  background-color: var(--accent-hover);
+}
+
+.deleteButton {
+  background-color: #dc3545;
+  color: white;
+}
+
+.deleteButton:hover {
+  background-color: #c82333;
+}
+
+.deleteButton:disabled {
+  background-color: #dc354580;
+  cursor: not-allowed;
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+  .hideOnMobile {
+    display: none;
+  }
+
+  .shortLinkCell {
+    width: 25%;
+  }
+
+  .targetUrl {
+    width: 45%;
+  }
+
+  .targetUrl a {
+    max-width: 120px;
+  }
+
+  .actions {
+    width: 60%;
+    flex-direction: column;
+  }
+
+  .copyButton,
+  .deleteButton {
+    padding: 0.3rem 0.5rem;
+    font-size: 0.75rem;
+  }
+}
+
+/* For very small screens */
+@media (max-width: 480px) {
+  .tableContainer {
+    border: none;
+  }
+
+  .linkTable {
+    font-size: 0.8rem;
+  }
+
+  .linkTable th,
+  .linkTable td {
+    padding: 0.5rem;
+  }
+
+  .shortLinkCell {
+    width: 30%;
+  }
+
+  .targetUrl {
+    width: 40%;
+  }
+
+  .targetUrl a {
+    max-width: 80px;
+  }
+
+  .actions {
+    width: 70%;
+  }
+}

src/components/ui/admin/AdminLinkTable.tsx

@@ -0,0 +1,205 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import Link from 'next/link';
+import ConfirmModal from '@/components/ui/ConfirmModal';
+import styles from './AdminLinkTable.module.css';
+import { useToast } from '@/contexts/ToastContext';
+
+interface LinkData {
+  short_id: string;
+  target_url: string;
+  created_at: string;
+  last_modified: string;
+}
+
+interface LinkTableProps {
+  links: LinkData[];
+  accountId: string;
+  onLinkDeleted: () => void;
+}
+
+export default function AdminLinkTable({ links, accountId, onLinkDeleted }: LinkTableProps) {
+  const [deletingId, setDeletingId] = useState<string | null>(null);
+  const [searchTerm, setSearchTerm] = useState('');
+  const [filteredLinks, setFilteredLinks] = useState<LinkData[]>(links);
+  const [isDeleteModalOpen, setIsDeleteModalOpen] = useState(false);
+  const [linkToDelete, setLinkToDelete] = useState<string | null>(null);
+  const { showToast } = useToast();
+
+  useEffect(() => {
+    setFilteredLinks(links);
+  }, [links]);
+
+  useEffect(() => {
+    if (!searchTerm.trim()) {
+      setFilteredLinks(links);
+      return;
+    }
+
+    const term = searchTerm.toLowerCase();
+    const filtered = links.filter(
+      link =>
+        link.short_id.toLowerCase().includes(term) ||
+        link.target_url.toLowerCase().includes(term) ||
+        new Date(link.created_at).toLocaleString().toLowerCase().includes(term) ||
+        new Date(link.last_modified).toLocaleString().toLowerCase().includes(term)
+    );
+
+    setFilteredLinks(filtered);
+  }, [searchTerm, links]);
+
+  const copyToClipboard = (shortId: string) => {
+    const fullUrl = `${window.location.origin}/l/${shortId}`;
+    navigator.clipboard
+      .writeText(fullUrl)
+      .then(() => {
+        showToast('Link copied to clipboard!', 'success');
+      })
+      .catch(err => {
+        console.error('Failed to copy link:', err);
+        showToast('Failed to copy link', 'error');
+      });
+  };
+
+  const confirmDelete = (shortId: string) => {
+    setLinkToDelete(shortId);
+    setIsDeleteModalOpen(true);
+  };
+
+  const cancelDelete = () => {
+    setLinkToDelete(null);
+    setIsDeleteModalOpen(false);
+  };
+
+  const handleDeleteLink = async () => {
+    if (!linkToDelete) return;
+
+    try {
+      setDeletingId(linkToDelete);
+      const response = await fetch(`/api/admin/users/${accountId}/links/${linkToDelete}`, {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ shortId: linkToDelete }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('Link deleted successfully!', 'success');
+        if (onLinkDeleted) onLinkDeleted();
+      } else {
+        showToast(data.message || 'Failed to delete link', 'error');
+      }
+    } catch (error) {
+      console.error('Error deleting link:', error);
+      showToast('Failed to delete link', 'error');
+    } finally {
+      setDeletingId(null);
+      setLinkToDelete(null);
+      setIsDeleteModalOpen(false);
+    }
+  };
+
+  const formatDate = (dateString: string) => {
+    const date = new Date(dateString);
+    return date.toLocaleString();
+  };
+
+  const truncateUrl = (url: string, maxLength: number = 50) => {
+    return url.length > maxLength ? `${url.substring(0, maxLength)}...` : url;
+  };
+
+  return (
+    <div className={styles.tableWrapper}>
+      <div className={styles.searchContainer}>
+        <input
+          type='text'
+          placeholder='Search links...'
+          value={searchTerm}
+          onChange={e => setSearchTerm(e.target.value)}
+          className={styles.searchInput}
+        />
+        {searchTerm && (
+          <button
+            className={styles.clearSearchButton}
+            onClick={() => setSearchTerm('')}
+            title='Clear search'
+          >
+            ✕
+          </button>
+        )}
+      </div>
+
+      {filteredLinks.length === 0 && (
+        <div className={styles.noResults}>
+          {searchTerm ? 'No links match your search' : 'No links available'}
+        </div>
+      )}
+
+      {filteredLinks.length > 0 && (
+        <div className={styles.tableContainer}>
+          <table className={styles.linkTable}>
+            <thead>
+              <tr>
+                <th>Short Link</th>
+                <th>Target URL</th>
+                <th className={styles.hideOnMobile}>Created</th>
+                <th className={styles.hideOnMobile}>Last Modified</th>
+                <th>Actions</th>
+              </tr>
+            </thead>
+            <tbody>
+              {filteredLinks.map(link => (
+                <tr key={link.short_id}>
+                  <td className={styles.shortLinkCell}>
+                    <Link
+                      href={`/admin/user/${accountId}/links/${link.short_id}`}
+                      className={styles.shortLink}
+                    >
+                      {link.short_id}
+                    </Link>
+                  </td>
+                  <td className={styles.targetUrl} title={link.target_url}>
+                    <a href={link.target_url} target='_blank' rel='noopener noreferrer'>
+                      {truncateUrl(link.target_url)}
+                    </a>
+                  </td>
+                  <td className={styles.hideOnMobile}>{formatDate(link.created_at)}</td>
+                  <td className={styles.hideOnMobile}>{formatDate(link.last_modified)}</td>
+                  <td className={styles.actions}>
+                    <button
+                      className={styles.copyButton}
+                      onClick={() => copyToClipboard(link.short_id)}
+                      title='Copy full short URL to clipboard'
+                    >
+                      Copy
+                    </button>
+                    <button
+                      className={styles.deleteButton}
+                      onClick={() => confirmDelete(link.short_id)}
+                      disabled={deletingId === link.short_id}
+                      title='Delete this link'
+                    >
+                      {deletingId === link.short_id ? 'Deleting...' : 'Delete'}
+                    </button>
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+      )}
+
+      <ConfirmModal
+        isOpen={isDeleteModalOpen}
+        title='Delete Link'
+        message='Are you sure you want to delete this link? This action cannot be undone.'
+        onConfirm={handleDeleteLink}
+        onCancel={cancelDelete}
+      />
+    </div>
+  );
+}

src/components/ui/dashboard/LinkTable.module.css

@@ -0,0 +1,219 @@
+.tableWrapper {
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+  margin-top: 1rem;
+}
+
+.searchContainer {
+  position: relative;
+  margin-bottom: 1rem;
+}
+
+.searchInput {
+  width: 100%;
+  padding: 0.75rem 1rem;
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+  background-color: var(--input-bg);
+  color: var(--text-primary);
+  font-size: 1rem;
+  box-sizing: border-box;
+}
+
+.clearSearchButton {
+  position: absolute;
+  right: 10px;
+  top: 50%;
+  transform: translateY(-50%);
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  cursor: pointer;
+  font-size: 1rem;
+  padding: 5px;
+}
+
+.clearSearchButton:hover {
+  color: var(--text-primary);
+}
+
+.noResults {
+  padding: 2rem;
+  text-align: center;
+  color: var(--text-secondary);
+  border: 1px dashed var(--border-color);
+  border-radius: 4px;
+  margin-top: 1rem;
+}
+
+.tableContainer {
+  overflow-x: auto;
+  width: 100%;
+  max-width: 100%;
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+}
+
+.linkTable {
+  width: 100%;
+  border-collapse: collapse;
+  font-size: 0.9rem;
+  table-layout: fixed;
+}
+
+.linkTable th,
+.linkTable td {
+  padding: 0.75rem 1rem;
+  text-align: left;
+  border-bottom: 1px solid var(--border-color);
+  word-wrap: break-word;
+  overflow-wrap: break-word;
+}
+
+.linkTable th {
+  background-color: var(--table-header-bg);
+  color: var(--text-primary);
+  font-weight: 600;
+}
+
+.linkTable tr:hover {
+  background-color: var(--hover-bg);
+}
+
+.shortLinkCell {
+  width: 15%;
+}
+
+.shortLink {
+  color: var(--accent);
+  text-decoration: none;
+  font-weight: 500;
+  font-family: var(--font-geist-mono);
+}
+
+.shortLink:hover {
+  text-decoration: underline;
+}
+
+.targetUrl {
+  width: 40%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.targetUrl a {
+  color: var(--text-secondary);
+  text-decoration: none;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  display: block;
+}
+
+.targetUrl a:hover {
+  text-decoration: underline;
+  color: var(--text-primary);
+}
+
+.actions {
+  display: flex;
+  gap: 0.5rem;
+  width: 15%;
+}
+
+.copyButton,
+.deleteButton {
+  padding: 0.4rem 0.75rem;
+  border-radius: 4px;
+  border: none;
+  font-size: 0.8rem;
+  cursor: pointer;
+  transition: background-color 0.2s ease;
+  white-space: nowrap;
+}
+
+.copyButton {
+  background-color: var(--accent);
+  color: white;
+}
+
+.copyButton:hover {
+  background-color: var(--accent-hover);
+}
+
+.deleteButton {
+  background-color: #dc3545;
+  color: white;
+}
+
+.deleteButton:hover {
+  background-color: #c82333;
+}
+
+.deleteButton:disabled {
+  background-color: #dc354580;
+  cursor: not-allowed;
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+  .hideOnMobile {
+    display: none;
+  }
+
+  .shortLinkCell {
+    width: 25%;
+  }
+
+  .targetUrl {
+    width: 45%;
+  }
+
+  .targetUrl a {
+    max-width: 120px;
+  }
+
+  .actions {
+    width: 60%;
+    flex-direction: column;
+  }
+
+  .copyButton,
+  .deleteButton {
+    padding: 0.3rem 0.5rem;
+    font-size: 0.75rem;
+  }
+}
+
+/* For very small screens */
+@media (max-width: 480px) {
+  .tableContainer {
+    border: none;
+  }
+
+  .linkTable {
+    font-size: 0.8rem;
+  }
+
+  .linkTable th,
+  .linkTable td {
+    padding: 0.5rem;
+  }
+
+  .shortLinkCell {
+    width: 30%;
+  }
+
+  .targetUrl {
+    width: 40%;
+  }
+
+  .targetUrl a {
+    max-width: 80px;
+  }
+
+  .actions {
+    width: 70%;
+  }
+}

src/components/ui/dashboard/LinkTable.tsx

@@ -0,0 +1,195 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import Link from 'next/link';
+import ConfirmModal from '@/components/ui/ConfirmModal';
+import styles from './LinkTable.module.css';
+import { useToast } from '@/contexts/ToastContext';
+import type { Link as LinkData } from '@/types/link';
+
+interface LinkTableProps {
+  links: LinkData[];
+  onLinkDeleted: () => void;
+}
+
+export default function LinkTable({ links, onLinkDeleted }: LinkTableProps) {
+  const [deletingId, setDeletingId] = useState<string | null>(null);
+  const [searchTerm, setSearchTerm] = useState('');
+  const [filteredLinks, setFilteredLinks] = useState<LinkData[]>(links);
+  const [isDeleteModalOpen, setIsDeleteModalOpen] = useState(false);
+  const [linkToDelete, setLinkToDelete] = useState<string | null>(null);
+  const { showToast } = useToast();
+
+  useEffect(() => {
+    setFilteredLinks(links);
+  }, [links]);
+
+  useEffect(() => {
+    if (!searchTerm.trim()) {
+      setFilteredLinks(links);
+      return;
+    }
+
+    const term = searchTerm.toLowerCase();
+    const filtered = links.filter(
+      link =>
+        link.short_id.toLowerCase().includes(term) ||
+        link.target_url.toLowerCase().includes(term) ||
+        new Date(link.created_at).toLocaleString().toLowerCase().includes(term) ||
+        new Date(link.last_modified).toLocaleString().toLowerCase().includes(term)
+    );
+
+    setFilteredLinks(filtered);
+  }, [searchTerm, links]);
+
+  const copyToClipboard = (shortId: string) => {
+    const fullUrl = `${window.location.origin}/l/${shortId}`;
+    navigator.clipboard
+      .writeText(fullUrl)
+      .then(() => {
+        showToast('Link copied to clipboard!', 'success');
+      })
+      .catch(err => {
+        console.error('Failed to copy link:', err);
+        showToast('Failed to copy link', 'error');
+      });
+  };
+
+  const confirmDelete = (shortId: string) => {
+    setLinkToDelete(shortId);
+    setIsDeleteModalOpen(true);
+  };
+
+  const cancelDelete = () => {
+    setLinkToDelete(null);
+    setIsDeleteModalOpen(false);
+  };
+
+  const handleDeleteLink = async () => {
+    if (!linkToDelete) return;
+
+    try {
+      setDeletingId(linkToDelete);
+      const response = await fetch('/api/link', {
+        method: 'DELETE',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ shortId: linkToDelete }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('Link deleted successfully!', 'success');
+        if (onLinkDeleted) onLinkDeleted();
+      } else {
+        showToast(data.message || 'Failed to delete link', 'error');
+      }
+    } catch (error) {
+      console.error('Error deleting link:', error);
+      showToast('Failed to delete link', 'error');
+    } finally {
+      setDeletingId(null);
+      setLinkToDelete(null);
+      setIsDeleteModalOpen(false);
+    }
+  };
+
+  const formatDate = (dateString: Date) => {
+    const date = new Date(dateString);
+    return date.toLocaleString();
+  };
+
+  const truncateUrl = (url: string, maxLength: number = 50) => {
+    return url.length > maxLength ? `${url.substring(0, maxLength)}...` : url;
+  };
+
+  return (
+    <div className={styles.tableWrapper}>
+      <div className={styles.searchContainer}>
+        <input
+          type='text'
+          placeholder='Search links...'
+          value={searchTerm}
+          onChange={e => setSearchTerm(e.target.value)}
+          className={styles.searchInput}
+        />
+        {searchTerm && (
+          <button
+            className={styles.clearSearchButton}
+            onClick={() => setSearchTerm('')}
+            title='Clear search'
+          >
+            ✕
+          </button>
+        )}
+      </div>
+
+      {filteredLinks.length === 0 && (
+        <div className={styles.noResults}>
+          {searchTerm ? 'No links match your search' : 'No links available'}
+        </div>
+      )}
+
+      {filteredLinks.length > 0 && (
+        <div className={styles.tableContainer}>
+          <table className={styles.linkTable}>
+            <thead>
+              <tr>
+                <th>Short Link</th>
+                <th>Target URL</th>
+                <th className={styles.hideOnMobile}>Created</th>
+                <th className={styles.hideOnMobile}>Last Modified</th>
+                <th>Actions</th>
+              </tr>
+            </thead>
+            <tbody>
+              {filteredLinks.map(link => (
+                <tr key={link.short_id}>
+                  <td className={styles.shortLinkCell}>
+                    <Link href={`/dashboard/link/${link.short_id}`} className={styles.shortLink}>
+                      {link.short_id}
+                    </Link>
+                  </td>
+                  <td className={styles.targetUrl} title={link.target_url}>
+                    <a href={link.target_url} target='_blank' rel='noopener noreferrer'>
+                      {truncateUrl(link.target_url)}
+                    </a>
+                  </td>
+                  <td className={styles.hideOnMobile}>{formatDate(link.created_at)}</td>
+                  <td className={styles.hideOnMobile}>{formatDate(link.last_modified)}</td>
+                  <td className={styles.actions}>
+                    <button
+                      className={styles.copyButton}
+                      onClick={() => copyToClipboard(link.short_id)}
+                      title='Copy full short URL to clipboard'
+                    >
+                      Copy
+                    </button>
+                    <button
+                      className={styles.deleteButton}
+                      onClick={() => confirmDelete(link.short_id)}
+                      disabled={deletingId === link.short_id}
+                      title='Delete this link'
+                    >
+                      {deletingId === link.short_id ? 'Deleting...' : 'Delete'}
+                    </button>
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+      )}
+
+      <ConfirmModal
+        isOpen={isDeleteModalOpen}
+        title='Delete Link'
+        message='Are you sure you want to delete this link? This action cannot be undone.'
+        onConfirm={handleDeleteLink}
+        onCancel={cancelDelete}
+      />
+    </div>
+  );
+}

src/components/ui/dashboard/SessionManager.module.css

@@ -0,0 +1,159 @@
+.sessionManager {
+  width: 100%;
+}
+
+.sessionManager h2 {
+  margin-top: 0;
+  margin-bottom: 1.5rem;
+  color: var(--text-primary);
+}
+
+.searchContainer {
+  position: relative;
+  margin-bottom: 1rem;
+}
+
+.searchInput {
+  width: 100%;
+  padding: 0.75rem 1rem;
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+  background-color: var(--input-bg);
+  color: var(--text-primary);
+  font-size: 1rem;
+  box-sizing: border-box;
+}
+
+.clearSearchButton {
+  position: absolute;
+  right: 10px;
+  top: 50%;
+  transform: translateY(-50%);
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  cursor: pointer;
+  font-size: 1rem;
+  padding: 5px;
+}
+
+.clearSearchButton:hover {
+  color: var(--text-primary);
+}
+
+.loading,
+.error,
+.noSessions {
+  padding: 2rem;
+  text-align: center;
+  border-radius: 4px;
+}
+
+.loading {
+  color: var(--text-secondary);
+}
+
+.error {
+  color: #dc3545;
+  border: 1px solid rgba(220, 53, 69, 0.2);
+  background-color: rgba(220, 53, 69, 0.05);
+}
+
+.noSessions {
+  color: var(--text-secondary);
+  border: 1px dashed var(--border-color);
+  min-height: 100px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.tableContainer {
+  overflow-x: auto;
+  width: 100%;
+  max-width: 100%;
+  border-radius: 4px;
+  border: 1px solid var(--border-color);
+}
+
+.sessionsTable {
+  width: 100%;
+  border-collapse: collapse;
+  font-size: 0.9rem;
+  table-layout: fixed;
+}
+
+.sessionsTable th,
+.sessionsTable td {
+  padding: 0.75rem 1rem;
+  text-align: left;
+  border-bottom: 1px solid var(--border-color);
+  word-wrap: break-word;
+  overflow-wrap: break-word;
+}
+
+.sessionsTable th {
+  background-color: var(--table-header-bg);
+  color: var(--text-primary);
+  font-weight: 600;
+}
+
+.deviceCell {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+  height: 100%;
+}
+
+.currentSession {
+  background-color: rgba(46, 204, 113, 0.05);
+}
+
+.currentSessionText {
+  color: #2ecc71;
+  font-style: italic;
+}
+
+.revokeButton {
+  padding: 0.4rem 0.75rem;
+  border-radius: 4px;
+  border: none;
+  background-color: #dc3545;
+  color: white;
+  font-size: 0.8rem;
+  cursor: pointer;
+  transition: background-color 0.2s ease;
+}
+
+.revokeButton:hover {
+  background-color: #c82333;
+}
+
+/* Responsive styles */
+@media (max-width: 768px) {
+  .sessionsTable th:nth-child(3),
+  .sessionsTable td:nth-child(3) {
+    display: none;
+  }
+
+  .sessionsTable th:nth-child(4),
+  .sessionsTable td:nth-child(4) {
+    display: none;
+  }
+}
+
+@media (max-width: 480px) {
+  .sessionsTable {
+    font-size: 0.8rem;
+  }
+
+  .sessionsTable th,
+  .sessionsTable td {
+    padding: 0.5rem;
+  }
+
+  .revokeButton {
+    padding: 0.3rem 0.5rem;
+    font-size: 0.75rem;
+  }
+}

src/components/ui/dashboard/SessionManager.tsx

@@ -0,0 +1,188 @@
+'use client';
+
+import { useState, useEffect, useRef } from 'react';
+import { useSession } from 'next-auth/react';
+import { useToast } from '@/contexts/ToastContext';
+import styles from './SessionManager.module.css';
+import type { SessionInfo } from '@/types/session';
+
+export default function SessionManager() {
+  const { data: session } = useSession();
+  const [sessions, setSessions] = useState<SessionInfo[]>([]);
+  const [filteredSessions, setFilteredSessions] = useState<SessionInfo[]>([]);
+  const [searchTerm, setSearchTerm] = useState('');
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [revoking, setRevoking] = useState<string | null>(null);
+  const { showToast } = useToast();
+
+  const isFetchingSessions = useRef(false);
+
+  useEffect(() => {
+    if (isFetchingSessions.current) return;
+
+    async function fetchSessions() {
+      if (!session?.user?.accountId) return;
+
+      try {
+        isFetchingSessions.current = true;
+        setLoading(true);
+
+        const response = await fetch('/api/auth/sessions');
+
+        if (!response.ok) {
+          throw new Error('Failed to fetch sessions');
+        }
+
+        const data = await response.json();
+        if (data.success) {
+          setSessions(data.sessions);
+          setFilteredSessions(data.sessions);
+        } else {
+          setError(data.message || 'Failed to load sessions');
+        }
+      } catch (error) {
+        console.error('Error fetching sessions:', error);
+        setError('Failed to load sessions');
+      } finally {
+        setLoading(false);
+        isFetchingSessions.current = false;
+      }
+    }
+
+    fetchSessions();
+  }, [session?.user?.accountId]);
+
+  useEffect(() => {
+    if (!searchTerm.trim()) {
+      setFilteredSessions(sessions);
+      return;
+    }
+
+    const term = searchTerm.toLowerCase();
+    const filtered = sessions.filter(
+      s =>
+        s.userAgent.toLowerCase().includes(term) ||
+        s.ipAddress.toLowerCase().includes(term) ||
+        new Date(s.lastActive).toLocaleString().toLowerCase().includes(term) ||
+        new Date(s.createdAt).toLocaleString().toLowerCase().includes(term)
+    );
+
+    setFilteredSessions(filtered);
+  }, [searchTerm, sessions]);
+
+  const handleRevokeSession = async (sessionId: string) => {
+    try {
+      const sessionToRevoke = sessions.find(s => s.id === sessionId);
+      if (sessionToRevoke?.isCurrentSession) {
+        showToast('You cannot revoke your current session', 'error');
+        return;
+      }
+
+      setRevoking(sessionId);
+
+      const response = await fetch('/api/auth/sessions/revoke', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ sessionId }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        showToast('Session revoked successfully', 'success');
+        setSessions(prevSessions => prevSessions.filter(s => s.id !== sessionId));
+      } else {
+        showToast(data.message || 'Failed to revoke session', 'error');
+      }
+    } catch (error) {
+      console.error('Error revoking session:', error);
+      showToast('Failed to revoke session', 'error');
+    } finally {
+      setRevoking(null);
+    }
+  };
+
+  const formatDate = (dateString: string | Date) => {
+    const date = new Date(dateString);
+    return date.toLocaleString();
+  };
+
+  if (loading) {
+    return <div className={styles.loading}>Loading sessions...</div>;
+  }
+
+  if (error) {
+    return <div className={styles.error}>{error}</div>;
+  }
+
+  return (
+    <div className={styles.sessionManager}>
+      <h2>Active Sessions</h2>
+
+      <div className={styles.searchContainer}>
+        <input
+          type='text'
+          placeholder='Search sessions...'
+          value={searchTerm}
+          onChange={e => setSearchTerm(e.target.value)}
+          className={styles.searchInput}
+        />
+        {searchTerm && (
+          <button
+            className={styles.clearSearchButton}
+            onClick={() => setSearchTerm('')}
+            title='Clear search'
+          >
+            ✕
+          </button>
+        )}
+      </div>
+
+      {sessions.length === 0 ? (
+        <p className={styles.noSessions}>No active sessions found.</p>
+      ) : filteredSessions.length === 0 ? (
+        <p className={styles.noSessions}>No sessions match your search.</p>
+      ) : (
+        <div className={styles.tableContainer}>
+          <table className={styles.sessionsTable}>
+            <thead>
+              <tr>
+                <th>Device & Browser</th>
+                <th>IP Address</th>
+                <th>Last Active</th>
+                <th>Created</th>
+                <th>Actions</th>
+              </tr>
+            </thead>
+            <tbody>
+              {filteredSessions.map(s => (
+                <tr key={s.id} className={s.isCurrentSession ? styles.currentSession : ''}>
+                  <td className={styles.deviceCell}>
+                    {s.userAgent.split(' ').slice(0, 3).join(' ')}
+                  </td>
+                  <td>{s.ipAddress}</td>
+                  <td>{formatDate(s.lastActive)}</td>
+                  <td>{formatDate(s.createdAt)}</td>
+                  <td>
+                    {!s.isCurrentSession ? (
+                      <button
+                        onClick={() => handleRevokeSession(s.id)}
+                        className={styles.revokeButton}
+                        disabled={revoking === s.id}
+                      >
+                        {revoking === s.id ? 'Revoking...' : 'Revoke'}
+                      </button>
+                    ) : (
+                      <span className={styles.currentSessionText}>Current Session</span>
+                    )}
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+      )}
+    </div>
+  );
+}

src/components/ui/dashboard/link/AnalyticsTable.module.css

@@ -0,0 +1,267 @@
+.tableContainer {
+  background-color: var(--card-bg);
+  border-color: var(--border-color);
+  border-radius: 0.5rem;
+  padding: 1.5rem;
+  box-shadow: var(--card-shadow);
+  margin-bottom: 2rem;
+}
+
+.tableTitle {
+  margin-top: 0;
+  margin-bottom: 1.5rem;
+  color: var(--text-primary);
+  font-size: 1.25rem;
+}
+
+.tableWrapper {
+  width: 100%;
+  overflow-x: auto;
+}
+
+.analyticsTable {
+  width: 100%;
+  border-collapse: collapse;
+  font-size: 0.875rem;
+}
+
+.analyticsTable th {
+  text-align: left;
+  padding: 0.75rem 1rem;
+  color: var(--text-primary);
+  font-weight: 600;
+  border-bottom: 2px solid var(--border-color);
+}
+
+.analyticsTable td {
+  padding: 0.75rem 1rem;
+  border-bottom: 1px solid var(--border-color);
+  color: var(--text-primary);
+  vertical-align: top;
+}
+
+.analyticsTable tr:last-child td {
+  border-bottom: none;
+}
+
+.analyticsTable tr:hover td {
+  background-color: var(--hover-bg);
+}
+
+.expandedRow td {
+  background-color: var(--hover-bg) !important;
+}
+
+.secondaryInfo {
+  font-size: 0.75rem;
+  color: var(--text-secondary);
+  margin-top: 0.25rem;
+}
+
+.actions {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.expandButton {
+  background-color: transparent;
+  color: var(--text-primary);
+  border: 1px solid var(--border-color);
+  border-radius: 0.25rem;
+  width: 1.685rem;
+  height: 1.685rem;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  font-size: 1rem;
+  line-height: 1;
+  padding: 0;
+}
+
+.expandButton:hover {
+  background-color: var(--border-color);
+}
+
+.deleteButton {
+  background-color: transparent;
+  color: var(--text-primary);
+  border: 1px solid var(--border-color);
+  border-radius: 0.25rem;
+  padding: 0.25rem 0.5rem;
+  font-size: 0.75rem;
+  cursor: pointer;
+}
+
+.deleteButton:hover {
+  background-color: var(--border-color);
+  color: white;
+}
+
+.expandedDetails {
+  margin-top: 1rem;
+  border-top: 1px solid var(--border-color);
+  padding-top: 1rem;
+}
+
+.detailsCard {
+  background-color: var(--card-secondary-bg);
+  border-radius: 0.375rem;
+  padding: 1rem;
+  margin-bottom: 1rem;
+}
+
+.detailsCard h4 {
+  margin-top: 0;
+  margin-bottom: 1rem;
+  color: var(--text-primary);
+  font-size: 1rem;
+}
+
+.detailsGrid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
+  gap: 1rem;
+}
+
+.detailsGrid > div {
+  margin-bottom: 0.5rem;
+}
+
+.detailsGrid strong {
+  display: block;
+  color: var(--text-secondary);
+  font-size: 0.75rem;
+  margin-bottom: 0.25rem;
+}
+
+.detailValue {
+  color: var(--text-primary);
+  font-size: 0.875rem;
+  word-break: break-all;
+}
+
+.pagination {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  margin-top: 1.5rem;
+  gap: 1rem;
+}
+
+.pageButton {
+  background-color: var(--primary-color);
+  color: white;
+  border: none;
+  border-radius: 0.25rem;
+  padding: 0.5rem 1rem;
+  cursor: pointer;
+}
+
+.pageButton:hover:not(:disabled) {
+  background-color: var(--primary-dark);
+}
+
+.pageButton:disabled {
+  background-color: var(--disabled-bg);
+  color: var(--disabled-text);
+  cursor: not-allowed;
+}
+
+.pageInfo {
+  color: var(--text-secondary);
+}
+
+@media (max-width: 768px) {
+  .tableContainer {
+    padding: 1rem;
+  }
+
+  .analyticsTable th,
+  .analyticsTable td {
+    padding: 0.5rem;
+  }
+
+  .detailsGrid {
+    grid-template-columns: 1fr;
+  }
+}
+
+.tableHeader {
+  display: flex;
+  flex-direction: row;
+  justify-content: space-between;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 1rem;
+  margin-bottom: 1rem;
+}
+
+.searchContainer {
+  position: relative;
+  flex: 1;
+  max-width: 300px;
+}
+
+.searchInput {
+  width: 100%;
+  padding: 0.5rem 2rem 0.5rem 0.75rem;
+  border: 1px solid var(--border-color);
+  border-radius: 0.25rem;
+  background-color: var(--input-bg);
+  color: var(--text-primary);
+  font-size: 0.875rem;
+}
+
+.searchInput:focus {
+  outline: none;
+  border-color: var(--primary-color);
+  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
+}
+
+.clearSearchButton {
+  position: absolute;
+  right: 0.5rem;
+  top: 50%;
+  transform: translateY(-50%);
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  cursor: pointer;
+  font-size: 0.875rem;
+  padding: 0.25rem;
+  border-radius: 50%;
+}
+
+.clearSearchButton:hover {
+  color: var(--text-primary);
+  background-color: var(--hover-bg);
+}
+
+.searchResults {
+  margin-bottom: 1rem;
+  padding: 0.5rem;
+  border-radius: 0.25rem;
+  font-size: 0.875rem;
+  color: var(--text-secondary);
+}
+
+.noResults {
+  padding: 2rem;
+  text-align: center;
+  color: var(--text-secondary);
+  font-style: italic;
+}
+
+@media (max-width: 640px) {
+  .tableHeader {
+    flex-direction: column;
+    align-items: flex-start;
+  }
+
+  .searchContainer {
+    max-width: 100%;
+    width: 100%;
+  }
+}

src/components/ui/dashboard/link/AnalyticsTable.tsx

@@ -0,0 +1,262 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { Analytics } from '@/types/analytics';
+import styles from './AnalyticsTable.module.css';
+
+interface AnalyticsTableProps {
+  analytics: Analytics[];
+  allAnalytics: Analytics[];
+  totalItems: number;
+  currentPage: number;
+  itemsPerPage: number;
+  onPageChange: (page: number) => void;
+  onDeleteClick: (id: string) => void;
+}
+
+export default function AnalyticsTable({
+  analytics,
+  allAnalytics,
+  totalItems,
+  currentPage,
+  itemsPerPage,
+  onPageChange,
+  onDeleteClick,
+}: AnalyticsTableProps) {
+  const [expandedRows, setExpandedRows] = useState<Set<string>>(new Set());
+  const [searchQuery, setSearchQuery] = useState<string>('');
+  const [searchResults, setSearchResults] = useState<Analytics[]>([]);
+  const [isSearching, setIsSearching] = useState(false);
+
+  const totalPages = Math.ceil(totalItems / itemsPerPage);
+
+  useEffect(() => {
+    if (!searchQuery.trim()) {
+      setSearchResults([]);
+      setIsSearching(false);
+      return;
+    }
+
+    setIsSearching(true);
+    const query = searchQuery.toLowerCase();
+    const filtered = allAnalytics.filter(item => {
+      return (
+        // IP and location
+        item.ip_address.toLowerCase().includes(query) ||
+        item.ip_version.toLowerCase().includes(query) ||
+        item.country.toLowerCase().includes(query) ||
+        (item.ip_data?.isp && item.ip_data.isp.toLowerCase().includes(query)) ||
+        // Device and browser info
+        item.platform
+          .toLowerCase()
+          .includes(query) ||
+        item.browser.toLowerCase().includes(query) ||
+        item.version.toLowerCase().includes(query) ||
+        item.language.toLowerCase().includes(query) ||
+        // Additional details
+        item.user_agent
+          .toLowerCase()
+          .includes(query) ||
+        item.referrer.toLowerCase().includes(query) ||
+        item.remote_port.toLowerCase().includes(query) ||
+        item.accept?.toLowerCase().includes(query) ||
+        item.accept_language?.toLowerCase().includes(query) ||
+        item.accept_encoding?.toLowerCase().includes(query)
+      );
+    });
+
+    setSearchResults(filtered);
+  }, [searchQuery, allAnalytics]);
+
+  const toggleRowExpansion = (id: string) => {
+    const newExpandedRows = new Set(expandedRows);
+    if (expandedRows.has(id)) {
+      newExpandedRows.delete(id);
+    } else {
+      newExpandedRows.add(id);
+    }
+    setExpandedRows(newExpandedRows);
+  };
+
+  const handleSearchChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    setSearchQuery(e.target.value);
+
+    if (currentPage !== 1) {
+      onPageChange(1);
+    }
+  };
+
+  const clearSearch = () => {
+    setSearchQuery('');
+
+    if (currentPage !== 1) {
+      onPageChange(1);
+    }
+  };
+
+  const displayedAnalytics = isSearching ? searchResults : analytics;
+
+  return (
+    <div className={styles.tableContainer}>
+      <div className={styles.tableHeader}>
+        <h3 className={styles.tableTitle}>Click Details</h3>
+        <div className={styles.searchContainer}>
+          <input
+            type='text'
+            value={searchQuery}
+            onChange={handleSearchChange}
+            placeholder='Search analytics...'
+            className={styles.searchInput}
+            aria-label='Search analytics'
+          />
+          {searchQuery && (
+            <button
+              onClick={clearSearch}
+              className={styles.clearSearchButton}
+              aria-label='Clear search'
+            >
+              ✕
+            </button>
+          )}
+        </div>
+      </div>
+
+      {isSearching && (
+        <div className={styles.searchResults}>
+          Found {searchResults.length} result{searchResults.length !== 1 ? 's' : ''}
+        </div>
+      )}
+
+      <div className={styles.tableWrapper}>
+        <table className={styles.analyticsTable}>
+          <thead>
+            <tr>
+              <th>Time</th>
+              <th>IP Address</th>
+              <th>Location</th>
+              <th>Device</th>
+              <th>Browser</th>
+              <th>Actions</th>
+            </tr>
+          </thead>
+          <tbody>
+            {displayedAnalytics.map(item => {
+              const id = item._id?.toString() || '';
+              const isExpanded = expandedRows.has(id);
+
+              return (
+                <tr key={id} className={isExpanded ? styles.expandedRow : ''}>
+                  <td>{new Date(item.timestamp).toLocaleString()}</td>
+                  <td>
+                    {item.ip_address}
+                    <div className={styles.secondaryInfo}>{item.ip_version}</div>
+                  </td>
+                  <td>
+                    {item.country}
+                    <div className={styles.secondaryInfo}>
+                      ISP: {item.ip_data?.isp || 'Unknown'}
+                    </div>
+                  </td>
+                  <td>{item.platform}</td>
+                  <td>
+                    {item.browser} {item.version}
+                    <div className={styles.secondaryInfo}>Lang: {item.language}</div>
+                  </td>
+                  <td>
+                    <div className={styles.actions}>
+                      <button
+                        className={styles.expandButton}
+                        onClick={() => toggleRowExpansion(id)}
+                        aria-label={isExpanded ? 'Collapse details' : 'Expand details'}
+                      >
+                        {isExpanded ? '−' : '+'}
+                      </button>
+                      <button
+                        className={styles.deleteButton}
+                        onClick={() => onDeleteClick(id)}
+                        aria-label='Delete entry'
+                      >
+                        Delete
+                      </button>
+                    </div>
+                  </td>
+                </tr>
+              );
+            })}
+          </tbody>
+        </table>
+      </div>
+
+      {displayedAnalytics.length === 0 && (
+        <div className={styles.noResults}>
+          {isSearching ? `No results found for "${searchQuery}"` : 'No analytics data available'}
+        </div>
+      )}
+
+      {expandedRows.size > 0 && (
+        <div className={styles.expandedDetails}>
+          {displayedAnalytics.map(item => {
+            const id = item._id?.toString() || '';
+            if (!expandedRows.has(id)) return null;
+
+            return (
+              <div key={`details-${id}`} className={styles.detailsCard}>
+                <h4>Additional Details</h4>
+                <div className={styles.detailsGrid}>
+                  <div>
+                    <strong>User Agent:</strong>
+                    <div className={styles.detailValue}>{item.user_agent}</div>
+                  </div>
+                  <div>
+                    <strong>Referrer:</strong>
+                    <div className={styles.detailValue}>{item.referrer}</div>
+                  </div>
+                  <div>
+                    <strong>Remote Port:</strong>
+                    <div className={styles.detailValue}>{item.remote_port}</div>
+                  </div>
+                  <div>
+                    <strong>Accept:</strong>
+                    <div className={styles.detailValue}>{item.accept}</div>
+                  </div>
+                  <div>
+                    <strong>Accept-Language:</strong>
+                    <div className={styles.detailValue}>{item.accept_language}</div>
+                  </div>
+                  <div>
+                    <strong>Accept-Encoding:</strong>
+                    <div className={styles.detailValue}>{item.accept_encoding}</div>
+                  </div>
+                </div>
+              </div>
+            );
+          })}
+        </div>
+      )}
+
+      {totalPages > 1 && !isSearching && (
+        <div className={styles.pagination}>
+          <button
+            disabled={currentPage === 1}
+            onClick={() => onPageChange(currentPage - 1)}
+            className={styles.pageButton}
+          >
+            Previous
+          </button>
+
+          <span className={styles.pageInfo}>
+            Page {currentPage} of {totalPages}
+          </span>
+
+          <button
+            disabled={currentPage === totalPages}
+            onClick={() => onPageChange(currentPage + 1)}
+            className={styles.pageButton}
+          >
+            Next
+          </button>
+        </div>
+      )}
+    </div>
+  );
+}

src/contexts/ToastContext.tsx

@@ -0,0 +1,51 @@
+'use client';
+
+import React, { createContext, useState, useContext, ReactNode } from 'react';
+
+type ToastType = 'success' | 'error' | 'info' | 'warning';
+
+interface ToastMessage {
+  id: string;
+  message: string;
+  type: ToastType;
+}
+
+interface ToastContextType {
+  toasts: ToastMessage[];
+  showToast: (message: string, type?: ToastType) => void;
+  hideToast: (id: string) => void;
+}
+
+const ToastContext = createContext<ToastContextType | undefined>(undefined);
+
+export function ToastProvider({ children }: { children: ReactNode }) {
+  const [toasts, setToasts] = useState<ToastMessage[]>([]);
+
+  const showToast = (message: string, type: ToastType = 'info') => {
+    const id = Math.random().toString(36).substring(2, 9);
+    const newToast = { id, message, type };
+    setToasts(prev => [...prev, newToast]);
+
+    setTimeout(() => {
+      hideToast(id);
+    }, 2000);
+  };
+
+  const hideToast = (id: string) => {
+    setToasts(prev => prev.filter(toast => toast.id !== id));
+  };
+
+  return (
+    <ToastContext.Provider value={{ toasts, showToast, hideToast }}>
+      {children}
+    </ToastContext.Provider>
+  );
+}
+
+export function useToast() {
+  const context = useContext(ToastContext);
+  if (context === undefined) {
+    throw new Error('useToast must be used within a ToastProvider');
+  }
+  return context;
+}

src/lib/analyticsdb.ts

@@ -0,0 +1,156 @@
+import { DetailedReturn } from '@/types/global';
+import { getMongo, Collection, safeObjectId } from './mongodb';
+import type { IPAddress, Analytics } from '@/types/analytics';
+
+const ONE_WEEK = 1000 * 60 * 60 * 24 * 7;
+
+export async function getIPData(ip: string): Promise<IPAddress> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<IPAddress>(Collection.ip_addresses_collection);
+
+    const existing = await collection.findOne({ ip_address: ip });
+
+    if (existing && Date.now() - new Date(existing.timestamp).getTime() < ONE_WEEK) {
+      return existing;
+    }
+
+    // Fetch new data from ipwho.is
+    const res = await fetch(`https://ipwho.is/${ip}`);
+    if (!res.ok) throw new Error('Failed to fetch IP data');
+    const data = await res.json();
+
+    const ipData: IPAddress = {
+      ip_address: ip,
+      ip_version: ip.includes(':') ? 'IPv6' : 'IPv4',
+      isp: data.connection?.isp || 'Unknown',
+      country: data.country || 'Unknown',
+      timestamp: new Date(),
+    };
+
+    await collection.updateOne({ ip_address: ip }, { $set: ipData }, { upsert: true });
+
+    return ipData;
+  } catch {
+    return {
+      ip_address: ip,
+      ip_version: ip.includes(':') ? 'IPv6' : 'IPv4',
+      isp: 'Unknown',
+      country: 'Unknown',
+      timestamp: new Date(),
+    };
+  }
+}
+
+export interface AnalyticsQueryOptions {
+  startDate?: Date;
+  endDate?: Date;
+  page?: number;
+  limit?: number;
+}
+
+export async function getAllAnalytics(
+  account_id: string,
+  link_id: string,
+  query_options: AnalyticsQueryOptions = {}
+): Promise<{ analytics: Analytics[]; total: number }> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Analytics>(Collection.analytics_collection);
+
+    const { startDate, endDate, page = 1, limit = 50 } = query_options;
+    const timestamp: Record<string, Date> = {};
+    if (startDate) timestamp['$gte'] = startDate;
+    if (endDate) timestamp['$lte'] = endDate;
+
+    // Overcomplicated shit
+    const query: Omit<Partial<Analytics>, 'timestamp'> & { timestamp?: Record<string, Date> } = {
+      account_id,
+      link_id,
+    };
+    if (Object.keys(timestamp).length > 0) {
+      query.timestamp = timestamp;
+    }
+
+    const cursor = collection
+      .find(query)
+      .sort({ timestamp: -1 }) // Most recent first
+      .skip((page - 1) * limit)
+      .limit(limit);
+
+    const analytics = await cursor.toArray();
+    const total = await collection.countDocuments(query);
+
+    return { analytics, total };
+  } catch {
+    return { analytics: [], total: 0 };
+  }
+}
+
+export async function saveAnalytics(analytics: Analytics): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Analytics>(Collection.analytics_collection);
+    await collection.insertOne(analytics);
+
+    return { success: true, status: 'Analytics successfully saved' };
+  } catch {
+    return { success: false, status: 'An exception occured' };
+  }
+}
+
+export async function removeAllAnalytics(
+  account_id: string,
+  link_id: string
+): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Analytics>(Collection.analytics_collection);
+    const result = await collection.deleteMany({ account_id: account_id, link_id: link_id });
+    const success = result.deletedCount > 0;
+
+    return {
+      success,
+      status: success ? 'Analytics were successfully deleted' : 'No analytics found',
+    };
+  } catch {
+    return { success: false, status: 'An exception occured' };
+  }
+}
+
+export async function removeAllAnalyticsFromUser(account_id: string): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Analytics>(Collection.analytics_collection);
+    const result = await collection.deleteMany({ account_id: account_id });
+    const hasRemovedAnalytics = result.deletedCount > 0;
+
+    return {
+      success: true,
+      status: hasRemovedAnalytics
+        ? 'All analytics were successfully removed'
+        : 'No analytics found',
+    };
+  } catch {
+    return { success: false, status: 'An exception occured' };
+  }
+}
+
+export async function removeAnalytics(
+  account_id: string,
+  link_id: string,
+  _id: string
+): Promise<DetailedReturn> {
+  const objectId = safeObjectId(_id);
+  if (!objectId) return { success: false, status: 'Invalid object ID' };
+
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Analytics>(Collection.analytics_collection);
+    await collection.deleteOne({ _id: objectId, account_id: account_id, link_id: link_id });
+
+    return { success: true, status: 'Analytics successfully removed' };
+  } catch {
+    return { success: false, status: 'An exception occured' };
+  }
+}

src/lib/linkdb.ts

@@ -0,0 +1,155 @@
+import { getMongo, Collection } from './mongodb';
+import { generateLinkID, isValidUrl } from './utils';
+import type { Link } from '@/types/link';
+import type { DetailedReturn } from '@/types/global';
+
+export async function getLinks(
+  account_id: string
+): Promise<{ links: Link[]; return: DetailedReturn }> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Link>(Collection.links_collection);
+
+    const links = await collection.find({ account_id }).sort({ created_at: -1 }).toArray();
+
+    return { links, return: { success: true, status: 'Links retrieved successfully' } };
+  } catch {
+    return { links: [], return: { success: false, status: 'An exception occurred' } };
+  }
+}
+
+export async function getTargetUrl(
+  short_id: string
+): Promise<{ target_url: string; account_id: string }> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Link>(Collection.links_collection);
+    const found_link = await collection.findOne({ short_id: short_id });
+
+    if (!found_link) return { target_url: '', account_id: '' };
+
+    return {
+      target_url: found_link.target_url,
+      account_id: found_link.account_id,
+    };
+  } catch {
+    return { target_url: '', account_id: '' };
+  }
+}
+
+export async function getLinkById(
+  account_id: string,
+  short_id: string
+): Promise<{ link: Link | null; return: DetailedReturn }> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Link>(Collection.links_collection);
+
+    const link = await collection.findOne({ short_id, account_id });
+
+    if (!link) {
+      return {
+        link: null,
+        return: {
+          success: false,
+          status: "Link not found or you don't have permission to view it",
+        },
+      };
+    }
+
+    return { link, return: { success: true, status: 'Link retrieved successfully' } };
+  } catch {
+    return { link: null, return: { success: false, status: 'An exception occurred' } };
+  }
+}
+
+export async function createLink(
+  account_id: string,
+  target_url: string
+): Promise<{ shortId: string | null; return: DetailedReturn }> {
+  try {
+    if (!isValidUrl(target_url))
+      return { shortId: null, return: { success: false, status: 'Invalid target URL' } };
+
+    const { db } = await getMongo();
+    const collection = db.collection<Link>(Collection.links_collection);
+
+    let shortId;
+    let duplicate = true;
+    do {
+      shortId = generateLinkID();
+      const existing = await collection.findOne({ short_id: shortId });
+      duplicate = existing !== null;
+    } while (duplicate);
+
+    const newLink: Link = {
+      short_id: shortId,
+      target_url: target_url,
+      account_id: account_id,
+      created_at: new Date(),
+      last_modified: new Date(),
+    };
+
+    await collection.insertOne(newLink);
+    return { shortId, return: { success: true, status: 'Link was successfully created' } };
+  } catch {
+    return { shortId: null, return: { success: false, status: 'An exception occured' } };
+  }
+}
+
+export async function editLink(
+  account_id: string,
+  short_id: string,
+  target_url: string
+): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Link>(Collection.links_collection);
+
+    const result = await collection.updateOne(
+      { account_id: account_id, short_id: short_id },
+      {
+        $set: {
+          target_url: target_url,
+          last_modified: new Date(),
+        },
+      }
+    );
+
+    const success = result.modifiedCount > 0;
+
+    return { success, status: success ? 'Link was successfully updated' : 'Link not found' };
+  } catch {
+    return { success: false, status: 'An exception occured' };
+  }
+}
+
+export async function removeLink(account_id: string, short_id: string): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Link>(Collection.links_collection);
+    const result = await collection.deleteOne({ account_id: account_id, short_id: short_id });
+    const success = result.deletedCount > 0;
+
+    return { success, status: success ? 'Link was successfully removed' : 'Link not found' };
+  } catch {
+    return { success: false, status: 'An exception occured' };
+  }
+}
+
+export async function removeAllLinksFromUser(account_id: string): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<Link>(Collection.links_collection);
+    const result = await collection.deleteMany({ account_id: account_id });
+    const hasRemovedLinks = result.deletedCount > 0;
+
+    // Here it doesn't matter if no links were removed
+    return {
+      success: true,
+      status: hasRemovedLinks ? 'Links were successfully removed' : 'No Links found',
+    };
+  } catch {
+    return { success: false, status: 'An exception occured' };
+  }
+}

src/lib/logger.ts

@@ -0,0 +1,16 @@
+import winston from 'winston';
+
+const logger = winston.createLogger({
+  level: process.env.LOG_LEVEL || 'info',
+  format: winston.format.combine(winston.format.timestamp(), winston.format.json()),
+  transports: [
+    new winston.transports.Console({
+      format: winston.format.combine(winston.format.colorize(), winston.format.simple()),
+    }),
+
+    new winston.transports.File({ filename: 'error.log', level: 'error' }),
+    new winston.transports.File({ filename: 'combined.log' }),
+  ],
+});
+
+export default logger;

src/lib/mongodb.ts

@@ -0,0 +1,40 @@
+import { Db, MongoClient, ObjectId } from 'mongodb';
+
+let client: MongoClient;
+let db: Db;
+
+export const Collection = {
+  links_collection: 'links',
+  analytics_collection: 'analytics',
+  statistics_collection: 'statistics',
+  user_collection: 'users',
+  sessions_collection: 'sessions',
+  ip_addresses_collection: 'ip_addresses',
+};
+
+export async function getMongo(): Promise<{ client: MongoClient; db: Db }> {
+  if (client && db) {
+    return { client, db };
+  }
+
+  if (!process.env.MONGO_URI) {
+    throw new Error('Please add your MongoDB URI to .env');
+  }
+  if (!process.env.MONGO_DB_NAME) {
+    throw new Error('Please add your MongoDB DB name to .env');
+  }
+
+  client = new MongoClient(process.env.MONGO_URI);
+  await client.connect();
+  db = client.db(process.env.MONGO_DB_NAME);
+
+  return { client, db };
+}
+
+export function safeObjectId(id: string): ObjectId | null {
+  try {
+    return new ObjectId(id);
+  } catch {
+    return null;
+  }
+}

src/lib/sessiondb.ts

@@ -0,0 +1,138 @@
+import { getMongo, Collection } from './mongodb';
+import type { SessionInfo } from '@/types/session';
+import type { DetailedReturn } from '@/types/global';
+import { v4 as uuidv4 } from 'uuid';
+import logger from '@/lib/logger';
+
+export async function createSession(
+  accountId: string,
+  userAgent: string,
+  ipAddress: string
+): Promise<{ sessionId: string; return: DetailedReturn }> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<SessionInfo>(Collection.sessions_collection);
+
+    const now = new Date();
+    const expiresAt = new Date();
+    expiresAt.setDate(now.getDate() + 30);
+
+    const sessionId = uuidv4();
+    const session: SessionInfo = {
+      id: sessionId,
+      accountId,
+      userAgent,
+      ipAddress,
+      lastActive: now,
+      createdAt: now,
+      expiresAt,
+    };
+
+    await collection.insertOne(session);
+
+    return {
+      sessionId,
+      return: { success: true, status: 'Session created' },
+    };
+  } catch (error) {
+    logger.error('Error creating session:', error);
+    return {
+      sessionId: '',
+      return: { success: false, status: 'Failed to create session' },
+    };
+  }
+}
+
+export async function isSessionValid(sessionId: string, accountId: string): Promise<boolean> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection(Collection.sessions_collection);
+
+    const session = await collection.findOne({
+      id: sessionId,
+      accountId: accountId,
+      revoked: { $ne: true },
+    });
+
+    return !!session;
+  } catch (error) {
+    logger.error('Error checking session validity:', { error, sessionId, accountId });
+    return false;
+  }
+}
+
+export async function getSessions(accountId: string): Promise<SessionInfo[]> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<SessionInfo>(Collection.sessions_collection);
+
+    const sessions = await collection
+      .find({
+        accountId,
+        expiresAt: { $gt: new Date() },
+      })
+      .sort({ lastActive: -1 })
+      .toArray();
+
+    return sessions;
+  } catch (error) {
+    logger.error('Error getting sessions:', error);
+    return [];
+  }
+}
+
+export async function revokeSession(sessionId: string, accountId: string): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<SessionInfo>(Collection.sessions_collection);
+
+    const result = await collection.deleteOne({
+      id: sessionId,
+      accountId,
+    });
+
+    return {
+      success: result.deletedCount > 0,
+      status: result.deletedCount > 0 ? 'Session revoked' : 'Session not found',
+    };
+  } catch (error) {
+    logger.error('Error revoking session:', error);
+    return {
+      success: false,
+      status: 'Failed to revoke session',
+    };
+  }
+}
+
+export async function removeAllSessionsByAccountId(accountId: string): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<SessionInfo>(Collection.sessions_collection);
+
+    const result = await collection.deleteMany({
+      accountId,
+    });
+
+    return {
+      success: result.deletedCount > 0,
+      status: result.deletedCount > 0 ? 'Sessions terminated' : 'No Sessions found',
+    };
+  } catch (error) {
+    logger.error('Error terminating session:', error);
+    return {
+      success: false,
+      status: 'Failed to terminate session',
+    };
+  }
+}
+
+export async function updateSessionActivity(sessionId: string): Promise<void> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<SessionInfo>(Collection.sessions_collection);
+
+    await collection.updateOne({ id: sessionId }, { $set: { lastActive: new Date() } });
+  } catch (error) {
+    logger.error('Error updating session activity:', error);
+  }
+}

src/lib/statisticsdb.ts

@@ -0,0 +1,86 @@
+import { getMongo, Collection } from './mongodb';
+import { formatOSStrings } from './utils';
+import type { Stats, StatItem } from '@/types/statistics';
+import type { Analytics } from '@/types/analytics';
+import type { Link } from '@/types/link';
+import { DetailedReturn } from '@/types/global';
+
+export async function getAllStats(): Promise<Stats | null> {
+  try {
+    const { db } = await getMongo();
+    const statsCollection = db.collection<Stats>(Collection.statistics_collection);
+
+    // We have only one item in this collection!!!
+    // Is it dumb? most probably yes, but it's better than searching on every request
+    const stats = await statsCollection.findOne();
+    return stats ?? null;
+  } catch {
+    return null;
+  }
+}
+
+export async function updateStats(): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const statisticsCollection = db.collection<Stats>(Collection.statistics_collection);
+
+    // Get and update the data
+    const analyticsCollection = db.collection<Analytics>(Collection.analytics_collection);
+    const total_links = await db.collection<Link>(Collection.links_collection).countDocuments();
+    const total_clicks = await analyticsCollection.countDocuments();
+    const ipv6_count = await analyticsCollection.countDocuments({ ip_version: 'IPv6' });
+
+    const ip_versions: StatItem[] = [
+      { id: 'IPv4', count: total_clicks - ipv6_count },
+      { id: 'IPv6', count: ipv6_count },
+    ];
+
+    const os_stats_raw = await analyticsCollection
+      .aggregate<StatItem>([
+        { $group: { _id: '$platform', count: { $sum: 1 } } },
+        { $sort: { count: -1 } },
+        { $project: { id: '$_id', count: 1, _id: 0 } },
+      ])
+      .toArray();
+
+    const os_stats = os_stats_raw.map(item => ({
+      id: formatOSStrings(item.id),
+      count: item.count,
+    }));
+
+    const country_stats = await analyticsCollection
+      .aggregate<StatItem>([
+        { $group: { _id: '$country', count: { $sum: 1 } } },
+        { $sort: { count: -1 } },
+        { $project: { id: '$_id', count: 1, _id: 0 } },
+      ])
+      .toArray();
+
+    const isp_stats = await analyticsCollection
+      .aggregate<StatItem>([
+        { $group: { _id: '$ip_data.isp', count: { $sum: 1 } } },
+        { $sort: { count: -1 } },
+        { $project: { id: '$_id', count: 1, _id: 0 } },
+      ])
+      .toArray();
+
+    const newStats: Stats = {
+      total_links,
+      total_clicks,
+      chart_data: {
+        ip_versions,
+        os_stats,
+        country_stats,
+        isp_stats,
+      },
+      last_updated: new Date(),
+    };
+
+    const result = await statisticsCollection.replaceOne({}, newStats, { upsert: true });
+    const success = result.modifiedCount > 0;
+
+    return { success, status: success ? 'Stats successfully updated' : 'Failed to update stats' };
+  } catch {
+    return { success: false, status: 'An exception occurred' };
+  }
+}

src/lib/userdb.ts

@@ -0,0 +1,169 @@
+import { getMongo, Collection } from './mongodb';
+import { generateAccountID } from './utils';
+import { removeAllAnalyticsFromUser } from './analyticsdb';
+import { removeAllLinksFromUser } from './linkdb';
+import { removeAllSessionsByAccountId } from './sessiondb';
+import type { User } from '@/types/user';
+import type { DetailedReturn } from '@/types/global';
+import type { Filter } from 'mongodb';
+
+export interface UserQueryOptions {
+  startDate?: Date;
+  endDate?: Date;
+  search?: string;
+  page?: number;
+  limit?: number;
+}
+
+export async function isUserAdmin(account_id: string): Promise<boolean> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<User>(Collection.user_collection);
+
+    const user = await collection.findOne({ account_id: account_id });
+
+    return user?.is_admin ?? false;
+  } catch {
+    return false;
+  }
+}
+
+export async function makeUserAdmin(account_id: string, admin: boolean): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<User>(Collection.user_collection);
+
+    const result = await collection.updateOne(
+      { account_id: account_id },
+      { $set: { is_admin: admin } }
+    );
+
+    if (result.matchedCount === 0) {
+      return { success: false, status: 'User not found' };
+    }
+
+    return {
+      success: result.modifiedCount > 0,
+      status:
+        result.modifiedCount > 0
+          ? `User is now ${admin ? 'an admin' : 'no longer an admin'}`
+          : 'No changes were made',
+    };
+  } catch (error) {
+    console.error('Error toggling admin status:', error);
+    return { success: false, status: 'An exception occurred' };
+  }
+}
+
+export async function existsUser(account_id: string): Promise<boolean> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<User>(Collection.user_collection);
+
+    const user = await collection.findOne({ account_id: account_id });
+
+    return user !== null;
+  } catch {
+    return false;
+  }
+}
+
+export async function createUser(
+  is_admin: boolean
+): Promise<{ account_id: string; return: DetailedReturn }> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<User>(Collection.user_collection);
+
+    let account_id;
+    let duplicate;
+    do {
+      account_id = generateAccountID();
+      const existing = await collection.findOne({ account_id: account_id });
+      duplicate = existing !== null;
+    } while (duplicate);
+
+    const newUser: User = {
+      account_id: account_id,
+      is_admin: is_admin,
+      created_at: new Date(),
+    };
+
+    const result = await collection.insertOne(newUser);
+    if (!result.acknowledged)
+      return { account_id: '', return: { success: false, status: 'An error occured' } };
+
+    return { account_id, return: { success: true, status: 'User was successfully created' } };
+  } catch {
+    return { account_id: '', return: { success: false, status: 'An exception occured' } };
+  }
+}
+
+export async function removeUser(account_id: string): Promise<DetailedReturn> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<User>(Collection.user_collection);
+
+    const result = await collection.deleteOne({ account_id: account_id });
+    const removeAnalyticsResult = await removeAllAnalyticsFromUser(account_id);
+    const removeLinksResult = await removeAllLinksFromUser(account_id);
+    await removeAllSessionsByAccountId(account_id);
+    const success =
+      result.deletedCount > 0 && removeAnalyticsResult.success && removeLinksResult.success;
+
+    return { success: success, status: success ? 'User successfully deleted' : 'An error occured' };
+  } catch {
+    return { success: false, status: 'An exception occured' };
+  }
+}
+
+export async function getUserById(account_id: string): Promise<User | null> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<User>(Collection.user_collection);
+
+    const user = await collection.findOne({ account_id });
+    return user;
+  } catch {
+    return null;
+  }
+}
+
+export async function listUsers(
+  query_options: UserQueryOptions = {}
+): Promise<{ users: User[] | null; total: number; return: DetailedReturn }> {
+  try {
+    const { db } = await getMongo();
+    const collection = db.collection<User>(Collection.user_collection);
+
+    const { startDate, endDate, search, page = 1, limit = 50 } = query_options;
+    const query: Filter<User> = {};
+
+    if (startDate || endDate) {
+      query.created_at = {};
+      if (startDate) query.created_at.$gte = startDate;
+      if (endDate) query.created_at.$lte = endDate;
+    }
+
+    if (search && search.trim() !== '') {
+      query.account_id = { $regex: new RegExp(search, 'i') };
+    }
+
+    const cursor = collection
+      .find(query)
+      .sort({ created_at: -1 }) // Most recent first
+      .skip((page - 1) * limit)
+      .limit(limit);
+
+    const users = await cursor.toArray();
+    const total = await collection.countDocuments(query);
+
+    return {
+      users: users,
+      total: total,
+      return: { success: true, status: 'Users successfully fetched' },
+    };
+  } catch {
+    return { users: null, total: 0, return: { success: false, status: 'An exception occured' } };
+  }
+}

src/lib/utils.ts

@@ -0,0 +1,127 @@
+import { NextRequest } from 'next/server';
+import { UAParser } from 'ua-parser-js';
+import { getIPData } from './analyticsdb';
+
+// For accounts
+const letterBytes = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+const linkLength = 8;
+const accountLength = 16;
+const authTokenLength = 128;
+
+function randomString(length: number, charset: string): string {
+  let result = '';
+  const charsetLength = charset.length;
+
+  for (let i = 0; i < length; i++) {
+    const randomIndex = Math.floor(Math.random() * charsetLength);
+    result += charset[randomIndex];
+  }
+
+  return result;
+}
+
+export function generateLinkID(): string {
+  return randomString(linkLength, letterBytes);
+}
+
+export function generateAccountID(): string {
+  return randomString(accountLength, '0123456789');
+}
+
+export function generateAuthToken(): string {
+  return randomString(authTokenLength, letterBytes);
+}
+
+// For Links
+export function isValidUrl(urlStr: string): boolean {
+  if (urlStr.trim() === '') {
+    return false;
+  }
+
+  try {
+    const parsedUrl = new URL(urlStr);
+    return parsedUrl.protocol !== '' && parsedUrl.hostname !== '';
+  } catch {
+    return false;
+  }
+}
+
+// For Clients
+const defaultValue = 'Unknown';
+function valueOrDefault(value: string | null): string {
+  return !value || value?.trim() === '' ? defaultValue : value;
+}
+
+export async function getClientInfo(req: NextRequest) {
+  const headers = req.headers;
+
+  // Get the IP address
+  let ip_address = headers.get('cf-connecting-ip') || headers.get('x-real-ip') || '';
+  if (!ip_address) {
+    const forwardedFor = headers.get('x-forwarded-for');
+    if (forwardedFor) {
+      ip_address = forwardedFor.split(',')[0].trim();
+    }
+  }
+
+  if (!ip_address) {
+    ip_address = defaultValue;
+  }
+
+  const ipVersion = ip_address.includes(':') ? 'IPv6' : 'IPv4';
+
+  // User-Agent Parsing
+  const uaString = headers.get('user-agent') ?? '';
+  const ua = new UAParser(uaString);
+  const browser = ua.getBrowser().name ?? defaultValue;
+  const version = ua.getBrowser().version ?? defaultValue;
+  const os = ua.getOS().name ?? defaultValue;
+
+  // Platform
+  const platform = headers.get('sec-ch-ua-platform') ?? os;
+
+  // Language
+  let language = headers.get('accept-language');
+  if (language?.includes(',')) {
+    language = language.split(',')[0];
+  }
+  language = valueOrDefault(language);
+
+  return {
+    ip_address,
+    user_agent: uaString,
+    platform,
+    browser,
+    version,
+    language,
+    referrer: valueOrDefault(headers.get('referer')),
+    timestamp: new Date(),
+    remote_port: valueOrDefault(headers.get('x-forwarded-port')),
+    accept: valueOrDefault(headers.get('accept')),
+    accept_language: valueOrDefault(headers.get('accept-language')),
+    accept_encoding: valueOrDefault(headers.get('accept-encoding')),
+    country: valueOrDefault(headers.get('cf-ipcountry')),
+    ip_data: await getIPData(ip_address),
+    ip_version: ipVersion,
+  };
+}
+
+// For stats
+export function formatOSStrings(os_string: string): string {
+  os_string = os_string.trim();
+  os_string = os_string.replaceAll('"', ''); // Windows usually reports ""Windows"""
+  os_string = os_string.replaceAll('CPU ', ''); // iOS usually reports "CPU ....."
+  os_string = os_string.replaceAll(' like Mac OS X', ''); // iOS usually reports at its end " like Mac OS X"
+
+  return os_string;
+}
+
+// For MongoDB
+export function sanitizeMongoDocument<T>(doc: T & { _id?: unknown }): T {
+  if (!doc) return doc;
+
+  const sanitized = { ...doc };
+  delete sanitized._id;
+
+  return sanitized;
+}

src/proxy.ts

@@ -0,0 +1,56 @@
+import { NextResponse } from 'next/server';
+import { getToken } from 'next-auth/jwt';
+import type { NextRequest } from 'next/server';
+
+export async function proxy(request: NextRequest) {
+  const path = request.nextUrl.pathname;
+  const response = NextResponse.next();
+
+  try {
+    if (
+      path === '/dashboard' ||
+      path === '/admin' ||
+      path.startsWith('/api/link/') ||
+      path.startsWith('/dashboard/') ||
+      path.startsWith('/admin/')
+    ) {
+      const token = await getToken({
+        req: request,
+        secret: process.env.NEXTAUTH_SECRET || 'fallback-secret-for-testing',
+      });
+
+      // Not authenticated
+      if (!token) {
+        return NextResponse.redirect(new URL('/', request.url));
+      }
+
+      // Check token expiration
+      const now = Math.floor(Date.now() / 1000);
+      if (token.exp && (token.exp as number) < now) {
+        return NextResponse.redirect(new URL('/api/auth/signout?callbackUrl=/', request.url));
+      }
+
+      // Check admin access
+      if ((path === '/admin' || path.startsWith('/admin/')) && !token.isAdmin) {
+        return NextResponse.redirect(new URL('/dashboard', request.url));
+      }
+    }
+
+    return response;
+  } catch (error) {
+    console.error('Middleware error:', error);
+    // On error, still allow the request to proceed
+    return response;
+  }
+}
+
+export const config = {
+  matcher: [
+    '/dashboard',
+    '/dashboard/:path*',
+    '/admin',
+    '/admin/:path*',
+    '/api/link/:path*',
+    '/api/auth/sessions/:path*',
+  ],
+};

src/types/analytics.d.ts

@@ -0,0 +1,30 @@
+import { ObjectId } from 'mongodb';
+
+export interface Analytics {
+  _id?: ObjectId;
+  link_id: string;
+  account_id: string;
+  ip_address: string;
+  user_agent: string;
+  platform: string;
+  browser: string;
+  version: string;
+  language: string;
+  referrer: string;
+  timestamp: Date;
+  remote_port: string;
+  accept: string;
+  accept_language: string;
+  accept_encoding: string;
+  country: string;
+  ip_data: IPAddress;
+  ip_version: string;
+}
+
+export interface IPAddress {
+  ip_address: string;
+  ip_version: string;
+  isp: string;
+  country: string;
+  timestamp: Date;
+}

src/types/auth.d.ts

@@ -0,0 +1,22 @@
+import 'next-auth';
+
+declare module 'next-auth' {
+  interface Session {
+    user: {
+      accountId: string;
+      isAdmin: boolean;
+    } & DefaultSession['user'];
+  }
+
+  interface User {
+    accountId: string;
+    isAdmin: boolean;
+  }
+}
+
+declare module 'next-auth/jwt' {
+  interface JWT {
+    accountId: string;
+    isAdmin: boolean;
+  }
+}

src/types/global.d.ts

@@ -0,0 +1,4 @@
+export interface DetailedReturn {
+  success: boolean;
+  status: string;
+}

src/types/link.d.ts

@@ -0,0 +1,7 @@
+export interface Link {
+  short_id: string;
+  target_url: string;
+  account_id: string;
+  created_at: Date;
+  last_modified: Date;
+}

src/types/session.d.ts

@@ -0,0 +1,10 @@
+export interface SessionInfo {
+  id: string;
+  accountId: string;
+  userAgent: string;
+  lastActive: Date;
+  ipAddress: string;
+  createdAt: Date;
+  expiresAt: Date;
+  isCurrentSession?: boolean;
+}

src/types/statistics.d.ts

@@ -0,0 +1,18 @@
+export interface Stats {
+  total_links: number;
+  total_clicks: number;
+  chart_data: ChartData;
+  last_updated: Date;
+}
+
+export interface ChartData {
+  ip_versions: StatItem[];
+  os_stats: StatItem[];
+  country_stats: StatItem[];
+  isp_stats: StatItem[];
+}
+
+export interface StatItem {
+  id: string;
+  count: number;
+}

src/types/user.d.ts

@@ -0,0 +1,5 @@
+export interface User {
+  account_id: string;
+  is_admin: boolean;
+  created_at: Date;
+}