chore(ci): Bump version to 2025.9.19

Co-authored-by: elisiariocouto <818914+elisiariocouto@users.noreply.github.com>

.claude/settings.local.json

@@ -1,22 +0,0 @@
-{
-  "permissions": {
-    "allow": [
-      "Bash(mkdir:*)",
-      "Bash(uv sync:*)",
-      "Bash(uv run pytest:*)",
-      "Bash(git commit:*)",
-      "Bash(ruff check:*)",
-      "Bash(git add:*)",
-      "Bash(mypy:*)",
-      "WebFetch(domain:localhost)",
-      "Bash(npm create:*)",
-      "Bash(npm install)",
-      "Bash(npm install:*)",
-      "Bash(npx tailwindcss init:*)",
-      "Bash(./node_modules/.bin/tailwindcss:*)",
-      "Bash(npm run build:*)"
-    ],
-    "deny": [],
-    "ask": []
-  }
-}

.github/workflows/ci.yml

@@ -10,6 +10,7 @@ jobs:
   test-python:
     name: Test Python
     runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, 'chore(ci): Bump version to')"
     steps:
       - uses: actions/checkout@v4
 
@@ -32,6 +33,7 @@ jobs:
   test-frontend:
     name: Test Frontend
     runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, 'chore(ci): Bump version to')"
     defaults:
       run:
         working-directory: ./frontend

.gitignore

@@ -164,3 +164,4 @@ sql/
 leggen.db
 *.db
 config.toml
+.claude/

.mcp.json

@@ -0,0 +1,17 @@
+{
+  "mcpServers": {
+    "shadcn": {
+      "command": "npx",
+      "args": [
+        "shadcn@latest",
+        "mcp"
+      ]
+    },
+    "browsermcp": {
+      "command": "npx",
+      "args": [
+        "@browsermcp/mcp@latest"
+      ]
+    }
+  }
+}

AGENTS.md

@@ -81,10 +81,34 @@ The command outputs instructions for setting the required environment variable t
 - **Naming**: PascalCase for components, camelCase for variables/functions
 - **Types**: Use `import type` for type-only imports, define interfaces/types
 - **Styling**: Tailwind CSS with `clsx` utility for conditional classes
+- **UI Components**: shadcn/ui components for consistent design system
 - **Icons**: lucide-react with consistent naming
 - **Data fetching**: @tanstack/react-query with proper error handling
 - **Components**: Functional components with hooks, proper TypeScript typing
 
+## Frontend Structure
+
+### Layout Architecture
+- **Root Layout**: `frontend/src/routes/__root.tsx` - Contains main app structure with Sidebar and Header
+- **Header/Navbar**: `frontend/src/components/Header.tsx` - Top navigation bar (sticky on mobile only)
+- **Sidebar**: `frontend/src/components/Sidebar.tsx` - Left navigation sidebar
+- **Routes**: `frontend/src/routes/` - TanStack Router file-based routing
+
+### Key Components Location
+- **UI Components**: `frontend/src/components/ui/` - shadcn/ui components and reusable UI primitives
+- **Feature Components**: `frontend/src/components/` - Main app components
+- **Pages**: `frontend/src/routes/` - Route components (index.tsx, transactions.tsx, etc.)
+- **Hooks**: `frontend/src/hooks/` - Custom React hooks
+- **API**: `frontend/src/lib/api.ts` - API client configuration
+- **Context**: `frontend/src/contexts/` - React contexts (ThemeContext, etc.)
+
+### Routing Structure
+- `/` - Overview/Dashboard (TransactionsTable component)
+- `/transactions` - Transactions page
+- `/analytics` - Analytics page
+- `/notifications` - Notifications page
+- `/settings` - Settings page
+
 ### General
 - **Formatting**: ruff for Python, ESLint for TypeScript
 - **Commits**: Use conventional commits with optional scopes, run pre-commit hooks before pushing
@@ -98,6 +122,16 @@ The command outputs instructions for setting the required environment variable t
   - Avoid including specific numbers, counts, or data-dependent information that may become outdated
 - **Security**: Never log sensitive data, use environment variables for secrets
 
+## AI Development Support
+
+### shadcn/ui Integration
+This project uses shadcn/ui for consistent UI components. The MCP server is configured for AI agents to:
+- Search and browse available shadcn/ui components
+- View component implementation details and examples
+- Generate proper installation commands for new components
+
+Use the shadcn MCP tools when working with UI components to ensure consistency with the existing design system.
+
 ## Contributing Guidelines
 
 This repository follows conventional changelog practices. Refer to `CONTRIBUTING.md` for detailed contribution guidelines including:

CHANGELOG.md

@@ -1,4 +1,212 @@
 
+## 2025.9.19 (2025/09/21)
+
+### Bug Fixes
+
+- **frontend:** Close mobile sidebar on navigation item click ([dd24a0e0](https://github.com/elisiariocouto/leggen/commit/dd24a0e0d34c3b2ff37bc75b50162768b4d15cc5))
+- **frontend:** Resolve mobile horizontal scroll in Time Period filters ([4ce56fdc](https://github.com/elisiariocouto/leggen/commit/4ce56fdc042b0dbf3442a1ab201392700add90d6))
+
+
+### Features
+
+- **frontend:** Add version display in header near connection status ([340e1a32](https://github.com/elisiariocouto/leggen/commit/340e1a3235916566a4e403e9ec7b82ea799fbffd))
+
+
+
+## 2025.9.19 (2025/09/21)
+
+### Bug Fixes
+
+- **frontend:** Close mobile sidebar on navigation item click ([dd24a0e0](https://github.com/elisiariocouto/leggen/commit/dd24a0e0d34c3b2ff37bc75b50162768b4d15cc5))
+- **frontend:** Resolve mobile horizontal scroll in Time Period filters ([4ce56fdc](https://github.com/elisiariocouto/leggen/commit/4ce56fdc042b0dbf3442a1ab201392700add90d6))
+
+
+### Features
+
+- **frontend:** Add version display in header near connection status ([340e1a32](https://github.com/elisiariocouto/leggen/commit/340e1a3235916566a4e403e9ec7b82ea799fbffd))
+
+
+
+## 2025.9.18 (2025/09/19)
+
+### Documentation
+
+-  Add instructions for shadcn/ui. ([83bb3fce](https://github.com/elisiariocouto/leggen/commit/83bb3fcef20d21a210bc53ce77aa533d37771668))
+
+
+### Features
+
+- **frontend:** Transform layout to use shadcn dashboard-01 with iOS PWA safe area support. ([fbb9e332](https://github.com/elisiariocouto/leggen/commit/fbb9e33279028a6a7ccf46c3696a012ec16a9ca7))
+
+
+
+## 2025.9.18 (2025/09/19)
+
+### Documentation
+
+-  Add instructions for shadcn/ui. ([83bb3fce](https://github.com/elisiariocouto/leggen/commit/83bb3fcef20d21a210bc53ce77aa533d37771668))
+
+
+### Features
+
+- **frontend:** Transform layout to use shadcn dashboard-01 with iOS PWA safe area support. ([fbb9e332](https://github.com/elisiariocouto/leggen/commit/fbb9e33279028a6a7ccf46c3696a012ec16a9ca7))
+
+
+
+## 2025.9.17 (2025/09/18)
+
+### Bug Fixes
+
+- **api:** Prevent duplicate notifications for existing transactions during sync. ([25747d7d](https://github.com/elisiariocouto/leggen/commit/25747d7d372e291090764a6814f9d8d0b76aea3b))
+
+
+### Miscellaneous Tasks
+
+-  Format files. ([848eccb3](https://github.com/elisiariocouto/leggen/commit/848eccb35b910c8121d15611547dca8da0b12756))
+
+
+
+## 2025.9.17 (2025/09/18)
+
+### Bug Fixes
+
+- **api:** Prevent duplicate notifications for existing transactions during sync. ([25747d7d](https://github.com/elisiariocouto/leggen/commit/25747d7d372e291090764a6814f9d8d0b76aea3b))
+
+
+### Miscellaneous Tasks
+
+-  Format files. ([848eccb3](https://github.com/elisiariocouto/leggen/commit/848eccb35b910c8121d15611547dca8da0b12756))
+
+
+
+## 2025.9.16 (2025/09/18)
+
+### Bug Fixes
+
+- **frontend:** Add iOS safe area support for PWA sticky header ([6589c2dd](https://github.com/elisiariocouto/leggen/commit/6589c2dd666f8605cf6d1bf9ad7277734d4cd302))
+
+
+
+## 2025.9.16 (2025/09/18)
+
+### Bug Fixes
+
+- **frontend:** Add iOS safe area support for PWA sticky header ([6589c2dd](https://github.com/elisiariocouto/leggen/commit/6589c2dd666f8605cf6d1bf9ad7277734d4cd302))
+
+
+
+## 2025.9.15 (2025/09/18)
+
+### Features
+
+- **frontend:** Add settings page with account management functionality. ([056c33b9](https://github.com/elisiariocouto/leggen/commit/056c33b9c5cfbc2842cc2dd4ca8c4e3959a2be80))
+
+
+### Refactor
+
+- **frontend:** Simplify filter bar UI and remove advanced filters popover. ([be4f7f8c](https://github.com/elisiariocouto/leggen/commit/be4f7f8cecfe2564abdf0ce1be08497e5a6d7b68))
+
+
+
+## 2025.9.15 (2025/09/18)
+
+### Features
+
+- **frontend:** Add settings page with account management functionality. ([056c33b9](https://github.com/elisiariocouto/leggen/commit/056c33b9c5cfbc2842cc2dd4ca8c4e3959a2be80))
+
+
+### Refactor
+
+- **frontend:** Simplify filter bar UI and remove advanced filters popover. ([be4f7f8c](https://github.com/elisiariocouto/leggen/commit/be4f7f8cecfe2564abdf0ce1be08497e5a6d7b68))
+
+
+
+## 2025.9.14 (2025/09/18)
+
+### Bug Fixes
+
+- **config:** Remove aliases for configuration keys that were disabling telegram notifications in some cases. ([61442a59](https://github.com/elisiariocouto/leggen/commit/61442a598fa7f38c568e3df7e1d924ed85df7491))
+
+
+### Miscellaneous Tasks
+
+- **ci:** Prevent double GitHub Actions runs on new releases. ([30d7c2ed](https://github.com/elisiariocouto/leggen/commit/30d7c2ed4e9aff144837a1f0ed67a8ded0b5d72a))
+
+
+
+## 2025.9.14 (2025/09/18)
+
+### Bug Fixes
+
+- **config:** Remove aliases for configuration keys that were disabling telegram notifications in some cases. ([61442a59](https://github.com/elisiariocouto/leggen/commit/61442a598fa7f38c568e3df7e1d924ed85df7491))
+
+
+### Miscellaneous Tasks
+
+- **ci:** Prevent double GitHub Actions runs on new releases. ([30d7c2ed](https://github.com/elisiariocouto/leggen/commit/30d7c2ed4e9aff144837a1f0ed67a8ded0b5d72a))
+
+
+
+## 2025.9.13 (2025/09/17)
+
+### Bug Fixes
+
+- **frontend:** Resolve linting issue in skeleton component ([fb310a59](https://github.com/elisiariocouto/leggen/commit/fb310a5953cf51d1cac181529311e76a0f4ea9ee))
+- **frontend:** Add index signature to PieDataPoint interface. ([81d7d163](https://github.com/elisiariocouto/leggen/commit/81d7d16301dafc62a95f63036819565ffb90ddb5))
+- **frontend:** Resolve dual scroll and excessive whitespace issues on transactions page. ([8ab76081](https://github.com/elisiariocouto/leggen/commit/8ab760815c9ae072b8c2cb2460e31144b193e0b3))
+- **frontend:** Remove broken running balance feature in transactions table. ([155a48d7](https://github.com/elisiariocouto/leggen/commit/155a48d7dc86b3f453ba6f8c37edf63c0b76c755))
+
+
+### Features
+
+- **frontend:** Complete shadcn migration of skeleton and styling components ([c83386b1](https://github.com/elisiariocouto/leggen/commit/c83386b1d5b165910abe8b391ca483e5b48cd35f))
+- **frontend:** Add comprehensive PWA capabilities with dynamic theme support ([86891441](https://github.com/elisiariocouto/leggen/commit/86891441d65e13757f343cabc39ccdb3ca6adc75))
+- **frontend:** Add PWA install prompts, update notifications, and app shortcuts ([3049a8cd](https://github.com/elisiariocouto/leggen/commit/3049a8cd2fa80c14f970884fb14df2ab88c418dd))
+- **frontend:** Update brand identity with new logo and color scheme. ([2825dba2](https://github.com/elisiariocouto/leggen/commit/2825dba2e944b3fe31aaa33127b770e7474ce021))
+- **frontend:** Update analytics cards to match home page design consistency. ([d9a39c30](https://github.com/elisiariocouto/leggen/commit/d9a39c30ab1248a9fdacff068d401c3daff3f6a5))
+
+
+### Miscellaneous Tasks
+
+-  Enable browsermcp and shadcn MCP servers. ([5a626b53](https://github.com/elisiariocouto/leggen/commit/5a626b53947f7e2d1544faf3ee06f8a0f1fb5d7a))
+
+
+### Refactor
+
+- **frontend:** Replace LoadingSpinner with shadcn skeleton components. ([84e609a7](https://github.com/elisiariocouto/leggen/commit/84e609a774ddc0caf9f84eaf1e8cdce021c82785))
+
+
+
+## 2025.9.13 (2025/09/17)
+
+### Bug Fixes
+
+- **frontend:** Resolve linting issue in skeleton component ([fb310a59](https://github.com/elisiariocouto/leggen/commit/fb310a5953cf51d1cac181529311e76a0f4ea9ee))
+- **frontend:** Add index signature to PieDataPoint interface. ([81d7d163](https://github.com/elisiariocouto/leggen/commit/81d7d16301dafc62a95f63036819565ffb90ddb5))
+- **frontend:** Resolve dual scroll and excessive whitespace issues on transactions page. ([8ab76081](https://github.com/elisiariocouto/leggen/commit/8ab760815c9ae072b8c2cb2460e31144b193e0b3))
+- **frontend:** Remove broken running balance feature in transactions table. ([155a48d7](https://github.com/elisiariocouto/leggen/commit/155a48d7dc86b3f453ba6f8c37edf63c0b76c755))
+
+
+### Features
+
+- **frontend:** Complete shadcn migration of skeleton and styling components ([c83386b1](https://github.com/elisiariocouto/leggen/commit/c83386b1d5b165910abe8b391ca483e5b48cd35f))
+- **frontend:** Add comprehensive PWA capabilities with dynamic theme support ([86891441](https://github.com/elisiariocouto/leggen/commit/86891441d65e13757f343cabc39ccdb3ca6adc75))
+- **frontend:** Add PWA install prompts, update notifications, and app shortcuts ([3049a8cd](https://github.com/elisiariocouto/leggen/commit/3049a8cd2fa80c14f970884fb14df2ab88c418dd))
+- **frontend:** Update brand identity with new logo and color scheme. ([2825dba2](https://github.com/elisiariocouto/leggen/commit/2825dba2e944b3fe31aaa33127b770e7474ce021))
+- **frontend:** Update analytics cards to match home page design consistency. ([d9a39c30](https://github.com/elisiariocouto/leggen/commit/d9a39c30ab1248a9fdacff068d401c3daff3f6a5))
+
+
+### Miscellaneous Tasks
+
+-  Enable browsermcp and shadcn MCP servers. ([5a626b53](https://github.com/elisiariocouto/leggen/commit/5a626b53947f7e2d1544faf3ee06f8a0f1fb5d7a))
+
+
+### Refactor
+
+- **frontend:** Replace LoadingSpinner with shadcn skeleton components. ([84e609a7](https://github.com/elisiariocouto/leggen/commit/84e609a774ddc0caf9f84eaf1e8cdce021c82785))
+
+
+
 ## 2025.9.12 (2025/09/15)
 
 

CONTRIBUTING.md

@@ -1,9 +1,19 @@
 # Contributing
 
-Install Poetry and run `poetry install` to install dependencies. Then run `poetry shell` to activate the virtual environment.
+This project uses **uv** for Python dependency management and **shadcn/ui** for frontend components.
+
+## Setup
+Install uv and run `uv sync` to install dependencies.
 
 Run `pre-commit install` to install the pre-commit hooks.
 
+## Frontend Development
+The frontend uses shadcn/ui components for consistent design. When adding new UI components:
+- Check if a shadcn/ui component exists for your use case
+- Follow the existing component patterns in `frontend/src/components/ui/`
+- Use Tailwind CSS classes for styling
+- Ensure components are accessible and follow the design system
+
 ## Commit messages
 
 type(scope/[subscope]): Title starting with uppercase and sentence ending with period.

README.md

@@ -20,6 +20,7 @@ Having your bank data accessible through both CLI and REST API gives you the pow
   - [React](https://reactjs.org/): Modern web interface with TypeScript
   - [Vite](https://vitejs.dev/): Fast build tool and development server
   - [Tailwind CSS](https://tailwindcss.com/): Utility-first CSS framework
+  - [shadcn/ui](https://ui.shadcn.com/): Modern component system built on Radix UI
   - [TanStack Query](https://tanstack.com/query): Powerful data synchronization for React
 
 ## ✨ Features
@@ -146,8 +147,8 @@ enabled = true
 
 # Optional: Transaction filters for notifications
 [filters]
-case-insensitive = ["salary", "utility"]
-case-sensitive = ["SpecificStore"]
+case_insensitive = ["salary", "utility"]
+case_sensitive = ["SpecificStore"]
 ```
 
 ## 📖 Usage

config.example.toml

@@ -9,7 +9,7 @@ sqlite = true
 # Optional: Background sync scheduling
 [scheduler.sync]
 enabled = true
-hour = 3      # 3 AM
+hour = 3       # 3 AM
 minute = 0
 # cron = "0 3 * * *"  # Alternative: use cron expression
 
@@ -20,11 +20,11 @@ enabled = true
 
 # Optional: Telegram notifications
 [notifications.telegram]
-api-key = "your-bot-token"
-chat-id = 12345
+token = "your-bot-token"
+chat_id = 12345
 enabled = true
 
 # Optional: Transaction filters for notifications
 [filters]
-case-insensitive = ["salary", "utility"]
-case-sensitive = ["SpecificStore"]
+case_insensitive = ["salary", "utility"]
+case_sensitive = ["SpecificStore"]

frontend/.claude/settings.local.json

@@ -1,7 +0,0 @@
-{
-  "permissions": {
-    "allow": ["Bash(find:*)"],
-    "deny": [],
-    "ask": []
-  }
-}

frontend/.gitignore

@@ -10,6 +10,7 @@ lerna-debug.log*
 node_modules
 dist
 dist-ssr
+dev-dist
 *.local
 
 # Editor directories and files

frontend/eslint.config.js

@@ -6,7 +6,7 @@ import tseslint from "typescript-eslint";
 import { globalIgnores } from "eslint/config";
 
 export default tseslint.config([
-  globalIgnores(["dist"]),
+  globalIgnores(["dist", "dev-dist"]),
   {
     files: ["**/*.{ts,tsx}"],
     extends: [

frontend/index.html

@@ -2,9 +2,35 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" href="/favicon.ico" sizes="48x48" />
+    <link rel="icon" href="/favicon.svg" sizes="any" type="image/svg+xml" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
     <title>Leggen</title>
+
+    <!-- PWA Meta Tags -->
+    <meta name="description" content="Personal finance management application" />
+    <meta name="application-name" content="Leggen" />
+    <meta name="apple-mobile-web-app-capable" content="yes" />
+    <meta name="apple-mobile-web-app-status-bar-style" content="default" />
+    <meta name="apple-mobile-web-app-title" content="Leggen" />
+    <meta name="format-detection" content="telephone=no" />
+    <meta name="mobile-web-app-capable" content="yes" />
+    <meta name="msapplication-config" content="/browserconfig.xml" />
+    <meta name="msapplication-TileColor" content="#0b74de" />
+    <meta name="msapplication-tap-highlight" content="no" />
+
+    <!-- Dynamic theme-color - will be updated by JavaScript -->
+    <meta name="theme-color" content="#0b74de" id="theme-color-meta" />
+    <meta name="msapplication-navbutton-color" content="#0b74de" id="ms-theme-color-meta" />
+    <meta name="apple-mobile-web-app-status-bar-style" content="default" id="apple-status-bar-meta" />
+
+    <!-- Icons -->
+    <link rel="apple-touch-icon" href="/apple-touch-icon-180x180.png" />
+    <link rel="mask-icon" href="/favicon.svg" color="#0b74de" />
+    <link rel="shortcut icon" href="/favicon.ico" />
+
+    <!-- Manifest -->
+    <link rel="manifest" href="/manifest.webmanifest" />
   </head>
   <body>
     <div id="root"></div>

frontend/package.json

@@ -10,10 +10,25 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@dnd-kit/core": "^6.3.1",
+    "@dnd-kit/modifiers": "^9.0.0",
+    "@dnd-kit/sortable": "^10.0.0",
+    "@dnd-kit/utilities": "^3.2.2",
+    "@radix-ui/react-avatar": "^1.1.10",
+    "@radix-ui/react-checkbox": "^1.3.3",
     "@radix-ui/react-dialog": "^1.1.15",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
+    "@radix-ui/react-label": "^2.1.7",
     "@radix-ui/react-popover": "^1.1.15",
+    "@radix-ui/react-progress": "^1.1.7",
     "@radix-ui/react-select": "^2.2.6",
+    "@radix-ui/react-separator": "^1.1.7",
     "@radix-ui/react-slot": "^1.2.3",
+    "@radix-ui/react-tabs": "^1.1.13",
+    "@radix-ui/react-toggle": "^1.1.10",
+    "@radix-ui/react-toggle-group": "^1.1.11",
+    "@radix-ui/react-tooltip": "^1.2.8",
+    "@tabler/icons-react": "^3.35.0",
     "@tailwindcss/forms": "^0.5.10",
     "@tanstack/react-query": "^5.87.1",
     "@tanstack/react-router": "^1.131.36",
@@ -26,27 +41,35 @@
     "cmdk": "^1.1.1",
     "date-fns": "^4.1.0",
     "lucide-react": "^0.542.0",
+    "next-themes": "^0.4.6",
     "postcss": "^8.5.6",
     "react": "^19.1.1",
     "react-day-picker": "^9.10.0",
     "react-dom": "^19.1.1",
-    "recharts": "^3.2.0",
+    "recharts": "^2.15.4",
+    "sonner": "^2.0.7",
     "tailwind-merge": "^3.3.1",
     "tailwindcss": "^3.4.17",
-    "tailwindcss-animate": "^1.0.7"
+    "tailwindcss-animate": "^1.0.7",
+    "vaul": "^1.1.2",
+    "zod": "^3.25.76"
   },
   "devDependencies": {
     "@eslint/js": "^9.33.0",
     "@tanstack/router-vite-plugin": "^1.131.36",
     "@types/react": "^19.1.10",
     "@types/react-dom": "^19.1.7",
+    "@vite-pwa/assets-generator": "^1.0.1",
     "@vitejs/plugin-react": "^5.0.0",
     "eslint": "^9.33.0",
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.20",
     "globals": "^16.3.0",
+    "shadcn": "^3.3.1",
+    "sharp": "^0.34.3",
     "typescript": "~5.8.3",
     "typescript-eslint": "^8.39.1",
-    "vite": "^7.1.2"
+    "vite": "^7.1.2",
+    "vite-plugin-pwa": "^1.0.3"
   }
 }

frontend/public/browserconfig.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+  <msapplication>
+    <tile>
+      <square150x150logo src="/pwa-192x192.png"/>
+      <TileColor>#3B82F6</TileColor>
+    </tile>
+  </msapplication>
+</browserconfig>

frontend/public/favicon.svg

@@ -1,4 +1,27 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" fill="none">
-  <rect width="32" height="32" rx="6" fill="#3B82F6"/>
-  <path d="M8 24V8h6c2.2 0 4 1.8 4 4v4c0 2.2-1.8 4-4 4H12v4H8zm4-8h2c.6 0 1-.4 1-1v-2c0-.6-.4-1-1-1h-2v4z" fill="white"/>
+<svg xmlns="http://www.w3.org/2000/svg"
+     width="32" height="32"
+     viewBox="0 0 32 32"
+     role="img" aria-labelledby="title desc">
+  <title id="title">leggen — stylized italic L</title>
+  <desc id="desc">Square gradient background with italic white L.</desc>
+
+  <defs>
+    <linearGradient id="bg" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="#0b74de"/>
+      <stop offset="100%" stop-color="#06b6d4"/>
+    </linearGradient>
+  </defs>
+
+  <!-- Square background -->
+  <rect width="32" height="32" fill="url(#bg)" rx="4"/>
+
+  <!-- Italic L -->
+  <text x="11" y="22"
+        font-family="Inter, Roboto, Arial, sans-serif"
+        font-weight="700"
+        font-size="20"
+        font-style="italic"
+        fill="#fff">
+    L
+  </text>
 </svg>

frontend/public/robots.txt

@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: /sitemap.xml

frontend/pwa-assets.config.json

@@ -0,0 +1,4 @@
+{
+  "preset": "minimal-2023",
+  "images": ["public/favicon.svg"]
+}

frontend/src/components/AccountSettings.tsx

@@ -0,0 +1,347 @@
+import { useState } from "react";
+import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
+import {
+  CreditCard,
+  TrendingUp,
+  TrendingDown,
+  Building2,
+  RefreshCw,
+  AlertCircle,
+  Edit2,
+  Check,
+  X,
+  Plus,
+} from "lucide-react";
+import { apiClient } from "../lib/api";
+import { formatCurrency, formatDate } from "../lib/utils";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from "./ui/card";
+import { Button } from "./ui/button";
+import { Alert, AlertDescription, AlertTitle } from "./ui/alert";
+import AccountsSkeleton from "./AccountsSkeleton";
+import type { Account, Balance } from "../types/api";
+
+// Helper function to get status indicator color and styles
+const getStatusIndicator = (status: string) => {
+  const statusLower = status.toLowerCase();
+
+  switch (statusLower) {
+    case "ready":
+      return {
+        color: "bg-green-500",
+        tooltip: "Ready",
+      };
+    case "pending":
+      return {
+        color: "bg-amber-500",
+        tooltip: "Pending",
+      };
+    case "error":
+    case "failed":
+      return {
+        color: "bg-destructive",
+        tooltip: "Error",
+      };
+    case "inactive":
+      return {
+        color: "bg-muted-foreground",
+        tooltip: "Inactive",
+      };
+    default:
+      return {
+        color: "bg-primary",
+        tooltip: status,
+      };
+  }
+};
+
+export default function AccountSettings() {
+  const {
+    data: accounts,
+    isLoading: accountsLoading,
+    error: accountsError,
+    refetch: refetchAccounts,
+  } = useQuery<Account[]>({
+    queryKey: ["accounts"],
+    queryFn: apiClient.getAccounts,
+  });
+
+  const { data: balances } = useQuery<Balance[]>({
+    queryKey: ["balances"],
+    queryFn: () => apiClient.getBalances(),
+  });
+
+  const [editingAccountId, setEditingAccountId] = useState<string | null>(null);
+  const [editingName, setEditingName] = useState("");
+
+  const queryClient = useQueryClient();
+
+  const updateAccountMutation = useMutation({
+    mutationFn: ({ id, display_name }: { id: string; display_name: string }) =>
+      apiClient.updateAccount(id, { display_name }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["accounts"] });
+      setEditingAccountId(null);
+      setEditingName("");
+    },
+    onError: (error) => {
+      console.error("Failed to update account:", error);
+    },
+  });
+
+  const handleEditStart = (account: Account) => {
+    setEditingAccountId(account.id);
+    // Use display_name if available, otherwise fall back to name
+    setEditingName(account.display_name || account.name || "");
+  };
+
+  const handleEditSave = () => {
+    if (editingAccountId && editingName.trim()) {
+      updateAccountMutation.mutate({
+        id: editingAccountId,
+        display_name: editingName.trim(),
+      });
+    }
+  };
+
+  const handleEditCancel = () => {
+    setEditingAccountId(null);
+    setEditingName("");
+  };
+
+  if (accountsLoading) {
+    return <AccountsSkeleton />;
+  }
+
+  if (accountsError) {
+    return (
+      <Alert variant="destructive">
+        <AlertCircle className="h-4 w-4" />
+        <AlertTitle>Failed to load accounts</AlertTitle>
+        <AlertDescription className="space-y-3">
+          <p>
+            Unable to connect to the Leggen API. Please check your configuration
+            and ensure the API server is running.
+          </p>
+          <Button onClick={() => refetchAccounts()} variant="outline" size="sm">
+            <RefreshCw className="h-4 w-4 mr-2" />
+            Retry
+          </Button>
+        </AlertDescription>
+      </Alert>
+    );
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Account Management Section */}
+      <Card>
+        <CardHeader>
+          <CardTitle>Account Management</CardTitle>
+          <CardDescription>
+            Manage your connected bank accounts and customize their display names
+          </CardDescription>
+        </CardHeader>
+
+        {!accounts || accounts.length === 0 ? (
+          <CardContent className="p-6 text-center">
+            <CreditCard className="h-12 w-12 text-muted-foreground mx-auto mb-4" />
+            <h3 className="text-lg font-medium text-foreground mb-2">
+              No accounts found
+            </h3>
+            <p className="text-muted-foreground mb-4">
+              Connect your first bank account to get started with Leggen.
+            </p>
+            <Button disabled className="flex items-center space-x-2">
+              <Plus className="h-4 w-4" />
+              <span>Add Bank Account</span>
+            </Button>
+            <p className="text-xs text-muted-foreground mt-2">
+              Coming soon: Add new bank connections
+            </p>
+          </CardContent>
+        ) : (
+          <CardContent className="p-0">
+            <div className="divide-y divide-border">
+              {accounts.map((account) => {
+                // Get balance from account's balances array or fallback to balances query
+                const accountBalance = account.balances?.[0];
+                const fallbackBalance = balances?.find(
+                  (b) => b.account_id === account.id,
+                );
+                const balance =
+                  accountBalance?.amount ||
+                  fallbackBalance?.balance_amount ||
+                  0;
+                const currency =
+                  accountBalance?.currency ||
+                  fallbackBalance?.currency ||
+                  account.currency ||
+                  "EUR";
+                const isPositive = balance >= 0;
+
+                return (
+                  <div
+                    key={account.id}
+                    className="p-4 sm:p-6 hover:bg-accent transition-colors"
+                  >
+                    {/* Mobile layout - stack vertically */}
+                    <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-3 sm:gap-4">
+                      <div className="flex items-start sm:items-center space-x-3 sm:space-x-4 min-w-0 flex-1">
+                        <div className="flex-shrink-0 p-2 sm:p-3 bg-muted rounded-full">
+                          <Building2 className="h-5 w-5 sm:h-6 sm:w-6 text-muted-foreground" />
+                        </div>
+                        <div className="flex-1 min-w-0">
+                          {editingAccountId === account.id ? (
+                            <div className="space-y-2">
+                              <div className="flex items-center space-x-2">
+                                <input
+                                  type="text"
+                                  value={editingName}
+                                  onChange={(e) =>
+                                    setEditingName(e.target.value)
+                                  }
+                                  className="flex-1 px-3 py-1 text-base sm:text-lg font-medium border border-input rounded-md bg-background focus:outline-none focus:ring-2 focus:ring-ring focus:border-ring"
+                                  placeholder="Custom account name"
+                                  name="search"
+                                  autoComplete="off"
+                                  onKeyDown={(e) => {
+                                    if (e.key === "Enter") handleEditSave();
+                                    if (e.key === "Escape") handleEditCancel();
+                                  }}
+                                  autoFocus
+                                />
+                                <button
+                                  onClick={handleEditSave}
+                                  disabled={
+                                    !editingName.trim() ||
+                                    updateAccountMutation.isPending
+                                  }
+                                  className="p-1 text-green-600 hover:text-green-700 disabled:opacity-50 disabled:cursor-not-allowed"
+                                  title="Save changes"
+                                >
+                                  <Check className="h-4 w-4" />
+                                </button>
+                                <button
+                                  onClick={handleEditCancel}
+                                  className="p-1 text-gray-600 hover:text-gray-700"
+                                  title="Cancel editing"
+                                >
+                                  <X className="h-4 w-4" />
+                                </button>
+                              </div>
+                              <p className="text-sm text-muted-foreground truncate">
+                                {account.institution_id}
+                              </p>
+                            </div>
+                          ) : (
+                            <div>
+                              <div className="flex items-center space-x-2 min-w-0">
+                                <h4 className="text-base sm:text-lg font-medium text-foreground truncate">
+                                  {account.display_name ||
+                                    account.name ||
+                                    "Unnamed Account"}
+                                </h4>
+                                <button
+                                  onClick={() => handleEditStart(account)}
+                                  className="flex-shrink-0 p-1 text-muted-foreground hover:text-foreground transition-colors"
+                                  title="Edit account name"
+                                >
+                                  <Edit2 className="h-4 w-4" />
+                                </button>
+                              </div>
+                              <p className="text-sm text-muted-foreground truncate">
+                                {account.institution_id}
+                              </p>
+                              {account.iban && (
+                                <p className="text-xs text-muted-foreground mt-1 font-mono break-all sm:break-normal">
+                                  IBAN: {account.iban}
+                                </p>
+                              )}
+                            </div>
+                          )}
+                        </div>
+                      </div>
+
+                      {/* Balance and date section */}
+                      <div className="flex items-center justify-between sm:flex-col sm:items-end sm:text-right flex-shrink-0">
+                        {/* Mobile: date/status on left, balance on right */}
+                        {/* Desktop: balance on top, date/status on bottom */}
+
+                        {/* Date and status indicator - left on mobile, bottom on desktop */}
+                        <div className="flex items-center space-x-2 order-1 sm:order-2">
+                          <div
+                            className={`w-3 h-3 rounded-full ${getStatusIndicator(account.status).color} relative group cursor-help`}
+                            role="img"
+                            aria-label={`Account status: ${getStatusIndicator(account.status).tooltip}`}
+                          >
+                            {/* Tooltip */}
+                            <div className="absolute bottom-full left-1/2 transform -translate-x-1/2 mb-2 hidden group-hover:block bg-gray-900 text-white text-xs rounded py-1 px-2 whitespace-nowrap z-10">
+                              {getStatusIndicator(account.status).tooltip}
+                              <div className="absolute top-full left-1/2 transform -translate-x-1/2 border-2 border-transparent border-t-gray-900"></div>
+                            </div>
+                          </div>
+                          <p className="text-xs sm:text-sm text-muted-foreground whitespace-nowrap">
+                            Updated{" "}
+                            {formatDate(
+                              account.last_accessed || account.created,
+                            )}
+                          </p>
+                        </div>
+
+                        {/* Balance - right on mobile, top on desktop */}
+                        <div className="flex items-center space-x-2 order-2 sm:order-1">
+                          {isPositive ? (
+                            <TrendingUp className="h-4 w-4 text-green-500" />
+                          ) : (
+                            <TrendingDown className="h-4 w-4 text-red-500" />
+                          )}
+                          <p
+                            className={`text-base sm:text-lg font-semibold ${
+                              isPositive ? "text-green-600" : "text-red-600"
+                            }`}
+                          >
+                            {formatCurrency(balance, currency)}
+                          </p>
+                        </div>
+                      </div>
+                    </div>
+                  </div>
+                );
+              })}
+            </div>
+          </CardContent>
+        )}
+      </Card>
+
+      {/* Add Bank Section (Future Feature) */}
+      <Card>
+        <CardHeader>
+          <CardTitle>Add New Bank Account</CardTitle>
+          <CardDescription>
+            Connect additional bank accounts to track all your finances in one place
+          </CardDescription>
+        </CardHeader>
+        <CardContent className="p-6">
+          <div className="text-center space-y-4">
+            <div className="p-4 bg-muted rounded-lg">
+              <Plus className="h-8 w-8 text-muted-foreground mx-auto mb-2" />
+              <p className="text-sm text-muted-foreground">
+                Bank connection functionality is coming soon. Stay tuned for updates!
+              </p>
+            </div>
+            <Button disabled variant="outline">
+              <Plus className="h-4 w-4 mr-2" />
+              Connect Bank Account
+            </Button>
+          </div>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}

frontend/src/components/AccountsOverview.tsx

@@ -22,7 +22,7 @@ import {
 } from "./ui/card";
 import { Button } from "./ui/button";
 import { Alert, AlertDescription, AlertTitle } from "./ui/alert";
-import LoadingSpinner from "./LoadingSpinner";
+import AccountsSkeleton from "./AccountsSkeleton";
 import type { Account, Balance } from "../types/api";
 
 // Helper function to get status indicator color and styles
@@ -37,23 +37,23 @@ const getStatusIndicator = (status: string) => {
       };
     case "pending":
       return {
-        color: "bg-yellow-500",
+        color: "bg-amber-500",
         tooltip: "Pending",
       };
     case "error":
     case "failed":
       return {
-        color: "bg-red-500",
+        color: "bg-destructive",
         tooltip: "Error",
       };
     case "inactive":
       return {
-        color: "bg-gray-500",
+        color: "bg-muted-foreground",
         tooltip: "Inactive",
       };
     default:
       return {
-        color: "bg-blue-500",
+        color: "bg-primary",
         tooltip: status,
       };
   }
@@ -114,11 +114,7 @@ export default function AccountsOverview() {
   };
 
   if (accountsLoading) {
-    return (
-      <Card>
-        <LoadingSpinner message="Loading accounts..." />
-      </Card>
-    );
+    return <AccountsSkeleton />;
   }
 
   if (accountsError) {
@@ -201,8 +197,8 @@ export default function AccountsOverview() {
                   {uniqueBanks}
                 </p>
               </div>
-              <div className="p-3 bg-purple-100 dark:bg-purple-900/20 rounded-full">
-                <Building2 className="h-6 w-6 text-purple-600" />
+              <div className="p-3 bg-muted rounded-full">
+                <Building2 className="h-6 w-6 text-muted-foreground" />
               </div>
             </div>
           </CardContent>
@@ -304,7 +300,9 @@ export default function AccountsOverview() {
                             <div>
                               <div className="flex items-center space-x-2 min-w-0">
                                 <h4 className="text-base sm:text-lg font-medium text-foreground truncate">
-                                  {account.display_name || account.name || "Unnamed Account"}
+                                  {account.display_name ||
+                                    account.name ||
+                                    "Unnamed Account"}
                                 </h4>
                                 <button
                                   onClick={() => handleEditStart(account)}

frontend/src/components/AccountsSkeleton.tsx

@@ -0,0 +1,61 @@
+import { Skeleton } from "./ui/skeleton";
+import { Card, CardContent, CardHeader } from "./ui/card";
+
+export default function AccountsSkeleton() {
+  return (
+    <div className="space-y-6">
+      {/* Summary Cards Skeleton */}
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
+        {Array.from({ length: 3 }).map((_, i) => (
+          <Card key={i}>
+            <CardContent className="p-6">
+              <div className="flex items-center justify-between">
+                <div className="space-y-2">
+                  <Skeleton className="h-4 w-20" />
+                  <Skeleton className="h-8 w-24" />
+                </div>
+                <Skeleton className="h-12 w-12 rounded-full" />
+              </div>
+            </CardContent>
+          </Card>
+        ))}
+      </div>
+
+      {/* Accounts List Skeleton */}
+      <Card>
+        <CardHeader>
+          <Skeleton className="h-6 w-32" />
+          <Skeleton className="h-4 w-48" />
+        </CardHeader>
+        <CardContent className="p-0">
+          <div className="divide-y divide-border">
+            {Array.from({ length: 4 }).map((_, i) => (
+              <div key={i} className="p-4 sm:p-6">
+                <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-3 sm:gap-4">
+                  <div className="flex items-start sm:items-center space-x-3 sm:space-x-4 min-w-0 flex-1">
+                    <Skeleton className="h-10 w-10 sm:h-12 sm:w-12 rounded-full flex-shrink-0" />
+                    <div className="flex-1 space-y-2">
+                      <Skeleton className="h-5 w-48" />
+                      <Skeleton className="h-4 w-32" />
+                      <Skeleton className="h-3 w-40" />
+                    </div>
+                  </div>
+                  <div className="flex items-center justify-between sm:flex-col sm:items-end sm:text-right flex-shrink-0">
+                    <div className="flex items-center space-x-2 order-1 sm:order-2">
+                      <Skeleton className="h-3 w-3 rounded-full" />
+                      <Skeleton className="h-4 w-20" />
+                    </div>
+                    <div className="flex items-center space-x-2 order-2 sm:order-1">
+                      <Skeleton className="h-4 w-4" />
+                      <Skeleton className="h-5 w-24" />
+                    </div>
+                  </div>
+                </div>
+              </div>
+            ))}
+          </div>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}

frontend/src/components/AppSidebar.tsx

@@ -0,0 +1,171 @@
+import React from "react";
+import { Link, useLocation } from "@tanstack/react-router";
+import {
+  List,
+  BarChart3,
+  Bell,
+  Settings,
+  Building2,
+  TrendingUp,
+  ChevronDown,
+  ChevronUp,
+} from "lucide-react";
+import { Logo } from "./ui/logo";
+import { useQuery } from "@tanstack/react-query";
+import { apiClient } from "../lib/api";
+import { formatCurrency } from "../lib/utils";
+import { useState } from "react";
+import type { Account } from "../types/api";
+import {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarHeader,
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarGroup,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  useSidebar,
+} from "./ui/sidebar";
+
+const navigation = [
+  { name: "Overview", icon: List, to: "/" },
+  { name: "Analytics", icon: BarChart3, to: "/analytics" },
+  { name: "Notifications", icon: Bell, to: "/notifications" },
+  { name: "Settings", icon: Settings, to: "/settings" },
+];
+
+export function AppSidebar({ ...props }: React.ComponentProps<typeof Sidebar>) {
+  const location = useLocation();
+  const [accountsExpanded, setAccountsExpanded] = useState(false);
+  const { isMobile, setOpenMobile } = useSidebar();
+
+  const { data: accounts } = useQuery<Account[]>({
+    queryKey: ["accounts"],
+    queryFn: apiClient.getAccounts,
+  });
+
+  const totalBalance =
+    accounts?.reduce((sum, account) => {
+      const primaryBalance = account.balances?.[0]?.amount || 0;
+      return sum + primaryBalance;
+    }, 0) || 0;
+
+  // Handler to close mobile sidebar when navigation item is clicked
+  const handleNavigationClick = () => {
+    if (isMobile) {
+      setOpenMobile(false);
+    }
+  };
+
+  return (
+    <Sidebar collapsible="icon" className="pt-safe-top pl-safe-left" {...props}>
+      <SidebarHeader>
+        <SidebarMenu>
+          <SidebarMenuItem>
+            <SidebarMenuButton
+              asChild
+              className="data-[slot=sidebar-menu-button]:!p-1.5"
+            >
+              <Link to="/" className="flex items-center space-x-2" onClick={handleNavigationClick}>
+                <Logo size={24} />
+                <span className="text-base font-semibold">Leggen</span>
+              </Link>
+            </SidebarMenuButton>
+          </SidebarMenuItem>
+        </SidebarMenu>
+      </SidebarHeader>
+
+      <SidebarContent>
+        <SidebarGroup>
+          <SidebarGroupContent>
+            <SidebarMenu>
+              {navigation.map((item) => (
+                <SidebarMenuItem key={item.to}>
+                  <SidebarMenuButton
+                    asChild
+                    tooltip={item.name}
+                    isActive={location.pathname === item.to}
+                  >
+                    <Link to={item.to} onClick={handleNavigationClick}>
+                      <item.icon className="h-5 w-5" />
+                      <span>{item.name}</span>
+                    </Link>
+                  </SidebarMenuButton>
+                </SidebarMenuItem>
+              ))}
+            </SidebarMenu>
+          </SidebarGroupContent>
+        </SidebarGroup>
+      </SidebarContent>
+
+      <SidebarFooter>
+        {/* Account Summary Section */}
+        <SidebarGroup>
+          <SidebarGroupLabel>Account Summary</SidebarGroupLabel>
+          <div className="bg-muted rounded-lg p-1">
+            {/* Collapsible Header */}
+            <button
+              onClick={() => setAccountsExpanded(!accountsExpanded)}
+              className="w-full p-3 flex items-center justify-between hover:bg-muted/80 transition-colors rounded-lg"
+            >
+              <div className="flex items-center space-x-2">
+                <span className="text-sm font-medium text-muted-foreground">
+                  Total Balance
+                </span>
+                <TrendingUp className="h-4 w-4 text-green-500" />
+              </div>
+              {accountsExpanded ? (
+                <ChevronUp className="h-4 w-4 text-muted-foreground" />
+              ) : (
+                <ChevronDown className="h-4 w-4 text-muted-foreground" />
+              )}
+            </button>
+
+            <div className="px-3 pb-2">
+              <p className="text-xl font-bold text-foreground">
+                {formatCurrency(totalBalance)}
+              </p>
+              <p className="text-sm text-muted-foreground">
+                {accounts?.length || 0} accounts
+              </p>
+            </div>
+
+            {/* Expanded Account Details */}
+            {accountsExpanded && accounts && accounts.length > 0 && (
+              <div className="border-t border-border/50 max-h-48 overflow-y-auto">
+                {accounts.map((account) => {
+                  const primaryBalance = account.balances?.[0]?.amount || 0;
+                  const currency = account.balances?.[0]?.currency || account.currency || "EUR";
+
+                  return (
+                    <div
+                      key={account.id}
+                      className="p-2 border-b border-border/30 last:border-b-0 hover:bg-muted/50 transition-colors"
+                    >
+                      <div className="flex items-start space-x-2">
+                        <div className="flex-shrink-0 p-1 bg-background rounded">
+                          <Building2 className="h-3 w-3 text-muted-foreground" />
+                        </div>
+                        <div className="space-y-1 min-w-0 flex-1">
+                          <p className="text-xs font-medium text-foreground truncate">
+                            {account.display_name || account.name || "Unnamed Account"}
+                          </p>
+                          <p className="text-xs font-semibold text-foreground">
+                            {formatCurrency(primaryBalance, currency)}
+                          </p>
+                        </div>
+                      </div>
+                    </div>
+                  );
+                })}
+              </div>
+            )}
+          </div>
+        </SidebarGroup>
+      </SidebarFooter>
+    </Sidebar>
+  );
+}

frontend/src/components/ErrorBoundary.tsx

@@ -1,6 +1,9 @@
 import { Component } from "react";
 import type { ErrorInfo, ReactNode } from "react";
 import { AlertTriangle, RefreshCw } from "lucide-react";
+import { Card, CardContent } from "./ui/card";
+import { Alert, AlertDescription, AlertTitle } from "./ui/alert";
+import { Button } from "./ui/button";
 
 interface Props {
   children: ReactNode;
@@ -39,46 +42,49 @@ class ErrorBoundary extends Component<Props, State> {
       }
 
       return (
-        <div className="bg-white rounded-lg shadow p-6">
-          <div className="flex items-center justify-center text-center">
-            <div>
-              <AlertTriangle className="h-12 w-12 text-red-400 mx-auto mb-4" />
-              <h3 className="text-lg font-medium text-gray-900 mb-2">
-                Something went wrong
-              </h3>
-              <p className="text-gray-600 mb-4">
-                An error occurred while rendering this component. Please try
-                refreshing or check the console for more details.
-              </p>
+        <Card>
+          <CardContent className="p-6">
+            <div className="flex items-center justify-center text-center">
+              <div>
+                <AlertTriangle className="h-12 w-12 text-destructive mx-auto mb-4" />
+                <h3 className="text-lg font-medium text-foreground mb-2">
+                  Something went wrong
+                </h3>
+                <p className="text-muted-foreground mb-4">
+                  An error occurred while rendering this component. Please try
+                  refreshing or check the console for more details.
+                </p>
 
-              {this.state.error && (
-                <div className="bg-red-50 border border-red-200 rounded-md p-3 mb-4 text-left">
-                  <p className="text-sm font-mono text-red-800">
-                    <strong>Error:</strong> {this.state.error.message}
-                  </p>
-                  {this.state.error.stack && (
-                    <details className="mt-2">
-                      <summary className="text-sm text-red-600 cursor-pointer">
-                        Stack trace
-                      </summary>
-                      <pre className="text-xs text-red-700 mt-1 whitespace-pre-wrap">
-                        {this.state.error.stack}
-                      </pre>
-                    </details>
-                  )}
-                </div>
-              )}
+                {this.state.error && (
+                  <Alert variant="destructive" className="mb-4 text-left">
+                    <AlertTriangle className="h-4 w-4" />
+                    <AlertTitle>Error Details</AlertTitle>
+                    <AlertDescription className="space-y-2">
+                      <p className="text-sm font-mono">
+                        <strong>Error:</strong> {this.state.error.message}
+                      </p>
+                      {this.state.error.stack && (
+                        <details className="mt-2">
+                          <summary className="text-sm cursor-pointer">
+                            Stack trace
+                          </summary>
+                          <pre className="text-xs mt-1 whitespace-pre-wrap">
+                            {this.state.error.stack}
+                          </pre>
+                        </details>
+                      )}
+                    </AlertDescription>
+                  </Alert>
+                )}
 
-              <button
-                onClick={this.handleReset}
-                className="inline-flex items-center px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700 transition-colors"
-              >
-                <RefreshCw className="h-4 w-4 mr-2" />
-                Try Again
-              </button>
+                <Button onClick={this.handleReset}>
+                  <RefreshCw className="h-4 w-4 mr-2" />
+                  Try Again
+                </Button>
+              </div>
             </div>
-          </div>
-        </div>
+          </CardContent>
+        </Card>
       );
     }
 

frontend/src/components/FiltersSkeleton.tsx

@@ -1,29 +1,32 @@
+import { Skeleton } from "./ui/skeleton";
+import { Card, CardContent } from "./ui/card";
+
 export default function FiltersSkeleton() {
   return (
-    <div className="bg-white rounded-lg shadow animate-pulse">
-      <div className="px-6 py-4 border-b border-gray-200">
+    <Card>
+      <div className="px-6 py-4 border-b border-border">
         <div className="flex items-center justify-between">
-          <div className="h-6 bg-gray-200 rounded w-32"></div>
+          <Skeleton className="h-6 w-32" />
           <div className="flex items-center space-x-2">
-            <div className="h-8 bg-gray-200 rounded w-24"></div>
-            <div className="h-8 bg-gray-200 rounded w-20"></div>
+            <Skeleton className="h-8 w-24" />
+            <Skeleton className="h-8 w-20" />
           </div>
         </div>
       </div>
 
-      <div className="px-6 py-4 border-b border-gray-200 bg-gray-50">
+      <CardContent className="px-6 py-4 border-b border-border bg-muted/30">
         {/* Quick Date Filters Skeleton */}
         <div className="mb-6">
-          <div className="h-4 bg-gray-200 rounded w-32 mb-3"></div>
+          <Skeleton className="h-4 w-32 mb-3" />
           <div className="space-y-2">
             <div className="flex flex-wrap gap-2">
-              <div className="h-10 bg-gray-200 rounded-lg w-24"></div>
-              <div className="h-10 bg-gray-200 rounded-lg w-20"></div>
-              <div className="h-10 bg-gray-200 rounded-lg w-28"></div>
+              <Skeleton className="h-10 w-24 rounded-lg" />
+              <Skeleton className="h-10 w-20 rounded-lg" />
+              <Skeleton className="h-10 w-28 rounded-lg" />
             </div>
             <div className="flex flex-wrap gap-2">
-              <div className="h-10 bg-gray-200 rounded-lg w-24"></div>
-              <div className="h-10 bg-gray-200 rounded-lg w-20"></div>
+              <Skeleton className="h-10 w-24 rounded-lg" />
+              <Skeleton className="h-10 w-20 rounded-lg" />
             </div>
           </div>
         </div>
@@ -31,40 +34,40 @@ export default function FiltersSkeleton() {
         {/* Filter Fields Skeleton */}
         <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
           <div className="sm:col-span-2 lg:col-span-1">
-            <div className="h-4 bg-gray-200 rounded w-16 mb-1"></div>
-            <div className="h-10 bg-gray-200 rounded"></div>
+            <Skeleton className="h-4 w-16 mb-1" />
+            <Skeleton className="h-10 w-full" />
           </div>
           <div>
-            <div className="h-4 bg-gray-200 rounded w-16 mb-1"></div>
-            <div className="h-10 bg-gray-200 rounded"></div>
+            <Skeleton className="h-4 w-16 mb-1" />
+            <Skeleton className="h-10 w-full" />
           </div>
           <div>
-            <div className="h-4 bg-gray-200 rounded w-20 mb-1"></div>
-            <div className="h-10 bg-gray-200 rounded"></div>
+            <Skeleton className="h-4 w-20 mb-1" />
+            <Skeleton className="h-10 w-full" />
           </div>
           <div>
-            <div className="h-4 bg-gray-200 rounded w-16 mb-1"></div>
-            <div className="h-10 bg-gray-200 rounded"></div>
+            <Skeleton className="h-4 w-16 mb-1" />
+            <Skeleton className="h-10 w-full" />
           </div>
         </div>
 
         {/* Amount Range Filters Skeleton */}
         <div className="grid grid-cols-1 sm:grid-cols-2 gap-4 mt-4">
           <div>
-            <div className="h-4 bg-gray-200 rounded w-20 mb-1"></div>
-            <div className="h-10 bg-gray-200 rounded"></div>
+            <Skeleton className="h-4 w-20 mb-1" />
+            <Skeleton className="h-10 w-full" />
           </div>
           <div>
-            <div className="h-4 bg-gray-200 rounded w-20 mb-1"></div>
-            <div className="h-10 bg-gray-200 rounded"></div>
+            <Skeleton className="h-4 w-20 mb-1" />
+            <Skeleton className="h-10 w-full" />
           </div>
         </div>
-      </div>
+      </CardContent>
 
       {/* Results Summary Skeleton */}
-      <div className="px-6 py-3 bg-gray-50 border-b border-gray-200">
-        <div className="h-4 bg-gray-200 rounded w-48"></div>
-      </div>
-    </div>
+      <CardContent className="px-6 py-3 bg-muted/30 border-b border-border">
+        <Skeleton className="h-4 w-48" />
+      </CardContent>
+    </Card>
   );
 }

frontend/src/components/Header.tsx

@@ -1,74 +0,0 @@
-import { useLocation } from "@tanstack/react-router";
-import { Menu, Activity, Wifi, WifiOff } from "lucide-react";
-import { useQuery } from "@tanstack/react-query";
-import { apiClient } from "../lib/api";
-import { ThemeToggle } from "./ui/theme-toggle";
-
-const navigation = [
-  { name: "Overview", to: "/" },
-  { name: "Transactions", to: "/transactions" },
-  { name: "Analytics", to: "/analytics" },
-  { name: "Notifications", to: "/notifications" },
-];
-
-interface HeaderProps {
-  setSidebarOpen: (open: boolean) => void;
-}
-
-export default function Header({ setSidebarOpen }: HeaderProps) {
-  const location = useLocation();
-  const currentPage =
-    navigation.find((item) => item.to === location.pathname)?.name ||
-    "Dashboard";
-
-  const {
-    data: healthStatus,
-    isLoading: healthLoading,
-    isError: healthError,
-  } = useQuery({
-    queryKey: ["health"],
-    queryFn: apiClient.getHealth,
-    refetchInterval: 30000,
-  });
-
-  return (
-    <header className="bg-card shadow-sm border-b border-border">
-      <div className="flex items-center justify-between h-16 px-6">
-        <div className="flex items-center">
-          <button
-            onClick={() => setSidebarOpen(true)}
-            className="lg:hidden p-1 rounded-md text-muted-foreground hover:text-foreground"
-          >
-            <Menu className="h-6 w-6" />
-          </button>
-          <h2 className="text-lg font-semibold text-card-foreground lg:ml-0 ml-4">
-            {currentPage}
-          </h2>
-        </div>
-        <div className="flex items-center space-x-3">
-          <div className="flex items-center space-x-1">
-            {healthLoading ? (
-              <>
-                <Activity className="h-4 w-4 text-yellow-500 animate-pulse" />
-                <span className="text-sm text-muted-foreground">
-                  Checking...
-                </span>
-              </>
-            ) : healthError || healthStatus?.status !== "healthy" ? (
-              <>
-                <WifiOff className="h-4 w-4 text-red-500" />
-                <span className="text-sm text-red-500">Disconnected</span>
-              </>
-            ) : (
-              <>
-                <Wifi className="h-4 w-4 text-green-500" />
-                <span className="text-sm text-muted-foreground">Connected</span>
-              </>
-            )}
-          </div>
-          <ThemeToggle />
-        </div>
-      </div>
-    </header>
-  );
-}

frontend/src/components/LoadingSpinner.tsx

@@ -1,18 +0,0 @@
-import { RefreshCw } from "lucide-react";
-
-interface LoadingSpinnerProps {
-  message?: string;
-}
-
-export default function LoadingSpinner({
-  message = "Loading...",
-}: LoadingSpinnerProps) {
-  return (
-    <div className="flex items-center justify-center p-8">
-      <div className="text-center">
-        <RefreshCw className="h-8 w-8 animate-spin text-blue-600 mx-auto mb-2" />
-        <p className="text-gray-600 text-sm">{message}</p>
-      </div>
-    </div>
-  );
-}

frontend/src/components/Notifications.tsx

@@ -12,7 +12,7 @@ import {
   TestTube,
 } from "lucide-react";
 import { apiClient } from "../lib/api";
-import LoadingSpinner from "./LoadingSpinner";
+import NotificationsSkeleton from "./NotificationsSkeleton";
 import {
   Card,
   CardContent,
@@ -24,6 +24,7 @@ import { Alert, AlertDescription, AlertTitle } from "./ui/alert";
 import { Button } from "./ui/button";
 import { Input } from "./ui/input";
 import { Label } from "./ui/label";
+import { Badge } from "./ui/badge";
 import {
   Select,
   SelectContent,
@@ -80,11 +81,7 @@ export default function Notifications() {
   });
 
   if (settingsLoading || servicesLoading) {
-    return (
-      <Card>
-        <LoadingSpinner message="Loading notifications..." />
-      </Card>
-    );
+    return <NotificationsSkeleton />;
   }
 
   if (settingsError || servicesError) {
@@ -233,12 +230,10 @@ export default function Notifications() {
                           {service.name}
                         </h4>
                         <div className="flex items-center space-x-2 mt-1">
-                          <span
-                            className={`inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium ${
-                              service.enabled
-                                ? "bg-green-100 text-green-800"
-                                : "bg-red-100 text-red-800"
-                            }`}
+                          <Badge
+                            variant={
+                              service.enabled ? "default" : "destructive"
+                            }
                           >
                             {service.enabled ? (
                               <CheckCircle className="h-3 w-3 mr-1" />
@@ -246,18 +241,16 @@ export default function Notifications() {
                               <AlertCircle className="h-3 w-3 mr-1" />
                             )}
                             {service.enabled ? "Enabled" : "Disabled"}
-                          </span>
-                          <span
-                            className={`inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium ${
-                              service.configured
-                                ? "bg-blue-100 text-blue-800"
-                                : "bg-yellow-100 text-yellow-800"
-                            }`}
+                          </Badge>
+                          <Badge
+                            variant={
+                              service.configured ? "secondary" : "outline"
+                            }
                           >
                             {service.configured
                               ? "Configured"
                               : "Not Configured"}
-                          </span>
+                          </Badge>
                         </div>
                       </div>
                     </div>

frontend/src/components/NotificationsSkeleton.tsx

@@ -0,0 +1,95 @@
+import { Skeleton } from "./ui/skeleton";
+import { Card, CardContent, CardHeader } from "./ui/card";
+
+export default function NotificationsSkeleton() {
+  return (
+    <div className="space-y-6">
+      {/* Test Notification Section Skeleton */}
+      <Card>
+        <CardHeader>
+          <div className="flex items-center space-x-2">
+            <Skeleton className="h-5 w-5" />
+            <Skeleton className="h-6 w-36" />
+          </div>
+        </CardHeader>
+        <CardContent>
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+            <div className="space-y-2">
+              <Skeleton className="h-4 w-16" />
+              <Skeleton className="h-10 w-full" />
+            </div>
+            <div className="space-y-2">
+              <Skeleton className="h-4 w-16" />
+              <Skeleton className="h-10 w-full" />
+            </div>
+          </div>
+          <div className="mt-4">
+            <Skeleton className="h-10 w-48" />
+          </div>
+        </CardContent>
+      </Card>
+
+      {/* Notification Services Skeleton */}
+      <Card>
+        <CardHeader>
+          <div className="flex items-center space-x-2">
+            <Skeleton className="h-5 w-5" />
+            <Skeleton className="h-6 w-40" />
+          </div>
+          <Skeleton className="h-4 w-56" />
+        </CardHeader>
+        <CardContent className="p-0">
+          <div className="divide-y divide-border">
+            {Array.from({ length: 3 }).map((_, i) => (
+              <div key={i} className="p-6">
+                <div className="flex items-center justify-between">
+                  <div className="flex items-center space-x-4">
+                    <Skeleton className="h-12 w-12 rounded-full" />
+                    <div className="space-y-2">
+                      <Skeleton className="h-5 w-24" />
+                      <div className="flex items-center space-x-2">
+                        <Skeleton className="h-5 w-16" />
+                        <Skeleton className="h-5 w-20" />
+                      </div>
+                    </div>
+                  </div>
+                  <Skeleton className="h-8 w-8" />
+                </div>
+              </div>
+            ))}
+          </div>
+        </CardContent>
+      </Card>
+
+      {/* Notification Settings Skeleton */}
+      <Card>
+        <CardHeader>
+          <div className="flex items-center space-x-2">
+            <Skeleton className="h-5 w-5" />
+            <Skeleton className="h-6 w-40" />
+          </div>
+        </CardHeader>
+        <CardContent>
+          <div className="space-y-4">
+            <div className="space-y-2">
+              <Skeleton className="h-4 w-16" />
+              <div className="bg-muted rounded-md p-4">
+                <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
+                  <div className="space-y-2">
+                    <Skeleton className="h-3 w-32" />
+                    <Skeleton className="h-4 w-24" />
+                  </div>
+                  <div className="space-y-2">
+                    <Skeleton className="h-3 w-28" />
+                    <Skeleton className="h-4 w-20" />
+                  </div>
+                </div>
+              </div>
+            </div>
+            <Skeleton className="h-12 w-full" />
+          </div>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}

frontend/src/components/PWAPrompts.tsx

@@ -0,0 +1,156 @@
+import { useEffect, useState } from "react";
+import { X, Download, RotateCcw } from "lucide-react";
+
+interface BeforeInstallPromptEvent extends Event {
+  prompt(): Promise<void>;
+  userChoice: Promise<{ outcome: 'accepted' | 'dismissed' }>;
+}
+
+interface PWAPromptProps {
+  onInstall?: () => void;
+}
+
+export function PWAInstallPrompt({ onInstall }: PWAPromptProps) {
+  const [deferredPrompt, setDeferredPrompt] = useState<BeforeInstallPromptEvent | null>(null);
+  const [showPrompt, setShowPrompt] = useState(false);
+
+  useEffect(() => {
+    const handler = (e: Event) => {
+      // Prevent the mini-infobar from appearing on mobile
+      e.preventDefault();
+      setDeferredPrompt(e as BeforeInstallPromptEvent);
+      setShowPrompt(true);
+    };
+
+    window.addEventListener("beforeinstallprompt", handler);
+
+    return () => window.removeEventListener("beforeinstallprompt", handler);
+  }, []);
+
+  const handleInstall = async () => {
+    if (!deferredPrompt) return;
+
+    try {
+      await deferredPrompt.prompt();
+      const { outcome } = await deferredPrompt.userChoice;
+
+      if (outcome === "accepted") {
+        onInstall?.();
+      }
+
+      setDeferredPrompt(null);
+      setShowPrompt(false);
+    } catch (error) {
+      console.error("Error installing PWA:", error);
+    }
+  };
+
+  const handleDismiss = () => {
+    setShowPrompt(false);
+    setDeferredPrompt(null);
+  };
+
+  if (!showPrompt || !deferredPrompt) return null;
+
+  return (
+    <div className="fixed bottom-4 left-4 right-4 md:left-auto md:right-4 md:max-w-sm bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-lg shadow-lg p-4 z-50">
+      <div className="flex items-start gap-3">
+        <div className="flex-shrink-0">
+          <Download className="h-5 w-5 text-blue-600 dark:text-blue-400" />
+        </div>
+        <div className="flex-1 min-w-0">
+          <p className="text-sm font-medium text-gray-900 dark:text-gray-100">
+            Install Leggen
+          </p>
+          <p className="text-sm text-gray-500 dark:text-gray-400">
+            Add to your home screen for quick access
+          </p>
+        </div>
+        <button
+          onClick={handleDismiss}
+          className="flex-shrink-0 text-gray-400 hover:text-gray-500 dark:hover:text-gray-300"
+        >
+          <X className="h-4 w-4" />
+        </button>
+      </div>
+      <div className="mt-3 flex gap-2">
+        <button
+          onClick={handleInstall}
+          className="flex-1 bg-blue-600 text-white text-sm font-medium px-3 py-2 rounded-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500"
+        >
+          Install
+        </button>
+        <button
+          onClick={handleDismiss}
+          className="px-3 py-2 text-sm font-medium text-gray-700 dark:text-gray-300 hover:text-gray-900 dark:hover:text-gray-100"
+        >
+          Not now
+        </button>
+      </div>
+    </div>
+  );
+}
+
+interface PWAUpdatePromptProps {
+  updateAvailable: boolean;
+  onUpdate: () => void;
+}
+
+export function PWAUpdatePrompt({ updateAvailable, onUpdate }: PWAUpdatePromptProps) {
+  const [showPrompt, setShowPrompt] = useState(false);
+
+  useEffect(() => {
+    if (updateAvailable) {
+      setShowPrompt(true);
+    }
+  }, [updateAvailable]);
+
+  const handleUpdate = () => {
+    onUpdate();
+    setShowPrompt(false);
+  };
+
+  const handleDismiss = () => {
+    setShowPrompt(false);
+  };
+
+  if (!showPrompt || !updateAvailable) return null;
+
+  return (
+    <div className="fixed top-4 left-4 right-4 md:left-auto md:right-4 md:max-w-sm bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-lg shadow-lg p-4 z-50">
+      <div className="flex items-start gap-3">
+        <div className="flex-shrink-0">
+          <RotateCcw className="h-5 w-5 text-green-600 dark:text-green-400" />
+        </div>
+        <div className="flex-1 min-w-0">
+          <p className="text-sm font-medium text-gray-900 dark:text-gray-100">
+            Update Available
+          </p>
+          <p className="text-sm text-gray-500 dark:text-gray-400">
+            A new version of Leggen is ready to install
+          </p>
+        </div>
+        <button
+          onClick={handleDismiss}
+          className="flex-shrink-0 text-gray-400 hover:text-gray-500 dark:hover:text-gray-300"
+        >
+          <X className="h-4 w-4" />
+        </button>
+      </div>
+      <div className="mt-3 flex gap-2">
+        <button
+          onClick={handleUpdate}
+          className="flex-1 bg-green-600 text-white text-sm font-medium px-3 py-2 rounded-md hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-green-500"
+        >
+          Update Now
+        </button>
+        <button
+          onClick={handleDismiss}
+          className="px-3 py-2 text-sm font-medium text-gray-700 dark:text-gray-300 hover:text-gray-900 dark:hover:text-gray-100"
+        >
+          Later
+        </button>
+      </div>
+    </div>
+  );
+}

frontend/src/components/Sidebar.tsx

@@ -1,107 +0,0 @@
-import { Link, useLocation } from "@tanstack/react-router";
-import {
-  CreditCard,
-  Home,
-  List,
-  BarChart3,
-  Bell,
-  TrendingUp,
-  X,
-} from "lucide-react";
-import { useQuery } from "@tanstack/react-query";
-import { apiClient } from "../lib/api";
-import { formatCurrency } from "../lib/utils";
-import { cn } from "../lib/utils";
-import type { Account } from "../types/api";
-
-const navigation = [
-  { name: "Overview", icon: Home, to: "/" },
-  { name: "Transactions", icon: List, to: "/transactions" },
-  { name: "Analytics", icon: BarChart3, to: "/analytics" },
-  { name: "Notifications", icon: Bell, to: "/notifications" },
-];
-
-interface SidebarProps {
-  sidebarOpen: boolean;
-  setSidebarOpen: (open: boolean) => void;
-}
-
-export default function Sidebar({ sidebarOpen, setSidebarOpen }: SidebarProps) {
-  const location = useLocation();
-
-  const { data: accounts } = useQuery<Account[]>({
-    queryKey: ["accounts"],
-    queryFn: apiClient.getAccounts,
-  });
-
-  const totalBalance =
-    accounts?.reduce((sum, account) => {
-      const primaryBalance = account.balances?.[0]?.amount || 0;
-      return sum + primaryBalance;
-    }, 0) || 0;
-
-  return (
-    <div
-      className={cn(
-        "fixed inset-y-0 left-0 z-50 w-64 bg-card shadow-lg transform transition-transform duration-300 ease-in-out lg:translate-x-0 lg:static lg:inset-0",
-        sidebarOpen ? "translate-x-0" : "-translate-x-full",
-      )}
-    >
-      <div className="flex items-center justify-between h-16 px-6 border-b border-border">
-        <Link
-          to="/"
-          onClick={() => setSidebarOpen(false)}
-          className="flex items-center space-x-2 hover:opacity-80 transition-opacity"
-        >
-          <CreditCard className="h-8 w-8 text-primary" />
-          <h1 className="text-xl font-bold text-card-foreground">Leggen</h1>
-        </Link>
-        <button
-          onClick={() => setSidebarOpen(false)}
-          className="lg:hidden p-1 rounded-md text-muted-foreground hover:text-foreground"
-        >
-          <X className="h-6 w-6" />
-        </button>
-      </div>
-
-      <nav className="px-6 py-4">
-        <div className="space-y-1">
-          {navigation.map((item) => (
-            <Link
-              key={item.to}
-              to={item.to}
-              onClick={() => setSidebarOpen(false)}
-              className={cn(
-                "flex items-center w-full px-3 py-2 text-sm font-medium rounded-md transition-colors",
-                location.pathname === item.to
-                  ? "bg-primary text-primary-foreground"
-                  : "text-card-foreground hover:text-card-foreground hover:bg-accent",
-              )}
-            >
-              <item.icon className="mr-3 h-5 w-5" />
-              {item.name}
-            </Link>
-          ))}
-        </div>
-      </nav>
-
-      {/* Account Summary in Sidebar */}
-      <div className="px-6 py-4 border-t border-border mt-auto">
-        <div className="bg-muted rounded-lg p-4">
-          <div className="flex items-center justify-between">
-            <span className="text-sm font-medium text-muted-foreground">
-              Total Balance
-            </span>
-            <TrendingUp className="h-4 w-4 text-green-500" />
-          </div>
-          <p className="text-2xl font-bold text-foreground mt-1">
-            {formatCurrency(totalBalance)}
-          </p>
-          <p className="text-sm text-muted-foreground mt-1">
-            {accounts?.length || 0} accounts
-          </p>
-        </div>
-      </div>
-    </div>
-  );
-}

frontend/src/components/SiteHeader.tsx

@@ -0,0 +1,96 @@
+import { useLocation } from "@tanstack/react-router";
+import { Activity, Wifi, WifiOff } from "lucide-react";
+import { useQuery } from "@tanstack/react-query";
+import { apiClient } from "../lib/api";
+import { ThemeToggle } from "./ui/theme-toggle";
+import { Separator } from "./ui/separator";
+import { SidebarTrigger } from "./ui/sidebar";
+
+const navigation = [
+  { name: "Overview", to: "/" },
+  { name: "Transactions", to: "/transactions" },
+  { name: "Analytics", to: "/analytics" },
+  { name: "Notifications", to: "/notifications" },
+  { name: "Settings", to: "/settings" },
+];
+
+export function SiteHeader() {
+  const location = useLocation();
+  const currentPage =
+    navigation.find((item) => item.to === location.pathname)?.name ||
+    "Dashboard";
+
+  const {
+    data: healthStatus,
+    isLoading: healthLoading,
+    isError: healthError,
+  } = useQuery({
+    queryKey: ["health"],
+    queryFn: apiClient.getHealth,
+    refetchInterval: 30000,
+  });
+
+  const {
+    data: versionData,
+    isLoading: versionLoading,
+    isError: versionError,
+  } = useQuery({
+    queryKey: ["version"],
+    queryFn: apiClient.getVersion,
+    refetchInterval: 5 * 60 * 1000, // Refetch version every 5 minutes
+    retry: 1, // Only retry once since version is less critical
+  });
+
+  return (
+    <header className="flex h-16 shrink-0 items-center gap-2 border-b transition-[width,height] ease-linear pt-safe-top">
+      <div className="flex w-full items-center gap-1 px-4 lg:gap-2 lg:px-6">
+        <SidebarTrigger className="-ml-1" />
+        <Separator
+          orientation="vertical"
+          className="mx-2 data-[orientation=vertical]:h-4"
+        />
+        <h1 className="text-lg font-semibold text-card-foreground">
+          {currentPage}
+        </h1>
+
+        <div className="ml-auto flex items-center space-x-3">
+          {/* Version display */}
+          <div className="flex items-center space-x-1">
+            {versionLoading ? (
+              <span className="text-xs text-muted-foreground">v...</span>
+            ) : versionError || !versionData ? (
+              <span className="text-xs text-muted-foreground">v?</span>
+            ) : (
+              <span className="text-xs text-muted-foreground">
+                v{versionData.version}
+              </span>
+            )}
+          </div>
+          
+          {/* Connection status */}
+          <div className="flex items-center space-x-1">
+            {healthLoading ? (
+              <>
+                <Activity className="h-4 w-4 text-muted-foreground animate-pulse" />
+                <span className="text-sm text-muted-foreground">
+                  Checking...
+                </span>
+              </>
+            ) : healthError || healthStatus?.status !== "healthy" ? (
+              <>
+                <WifiOff className="h-4 w-4 text-destructive" />
+                <span className="text-sm text-destructive">Disconnected</span>
+              </>
+            ) : (
+              <>
+                <Wifi className="h-4 w-4 text-green-500" />
+                <span className="text-sm text-muted-foreground">Connected</span>
+              </>
+            )}
+          </div>
+          <ThemeToggle />
+        </div>
+      </div>
+    </header>
+  );
+}

frontend/src/components/TransactionSkeleton.tsx

@@ -1,3 +1,6 @@
+import { Skeleton } from "./ui/skeleton";
+import { Card } from "./ui/card";
+
 interface TransactionSkeletonProps {
   rows?: number;
   view?: "table" | "mobile";
@@ -11,93 +14,89 @@ export default function TransactionSkeleton({
 
   if (view === "mobile") {
     return (
-      <div className="bg-white rounded-lg shadow divide-y divide-gray-200">
+      <Card className="divide-y divide-border">
         {skeletonRows.map((_, index) => (
-          <div key={index} className="p-4 animate-pulse">
+          <div key={index} className="p-4">
             <div className="flex items-start justify-between">
               <div className="flex-1">
                 <div className="flex items-start space-x-3">
-                  <div className="p-2 rounded-full bg-gray-200 flex-shrink-0">
-                    <div className="h-4 w-4 bg-gray-300 rounded"></div>
-                  </div>
+                  <Skeleton className="h-10 w-10 rounded-full flex-shrink-0" />
                   <div className="flex-1 min-w-0 space-y-2">
-                    <div className="h-4 bg-gray-200 rounded w-3/4"></div>
+                    <Skeleton className="h-4 w-3/4" />
                     <div className="space-y-1">
-                      <div className="h-3 bg-gray-200 rounded w-1/2"></div>
-                      <div className="h-3 bg-gray-200 rounded w-2/3"></div>
-                      <div className="h-3 bg-gray-200 rounded w-1/3"></div>
+                      <Skeleton className="h-3 w-1/2" />
+                      <Skeleton className="h-3 w-2/3" />
+                      <Skeleton className="h-3 w-1/3" />
                     </div>
                   </div>
                 </div>
               </div>
               <div className="text-right ml-3 flex-shrink-0 space-y-2">
-                <div className="h-6 bg-gray-200 rounded w-20"></div>
-                <div className="h-4 bg-gray-200 rounded w-16 ml-auto"></div>
-                <div className="h-6 bg-gray-200 rounded w-12 ml-auto"></div>
+                <Skeleton className="h-6 w-20" />
+                <Skeleton className="h-4 w-16 ml-auto" />
+                <Skeleton className="h-6 w-12 ml-auto" />
               </div>
             </div>
           </div>
         ))}
-      </div>
+      </Card>
     );
   }
 
   return (
-    <div className="bg-white rounded-lg shadow overflow-hidden">
+    <Card className="overflow-hidden">
       <div className="overflow-x-auto">
-        <table className="min-w-full divide-y divide-gray-200">
-          <thead className="bg-gray-50">
+        <table className="min-w-full divide-y divide-border">
+          <thead className="bg-muted/50">
             <tr>
               <th className="px-6 py-3 text-left">
-                <div className="h-4 bg-gray-200 rounded w-20 animate-pulse"></div>
+                <Skeleton className="h-4 w-20" />
               </th>
               <th className="px-6 py-3 text-left">
-                <div className="h-4 bg-gray-200 rounded w-16 animate-pulse"></div>
+                <Skeleton className="h-4 w-16" />
               </th>
               <th className="px-6 py-3 text-left">
-                <div className="h-4 bg-gray-200 rounded w-12 animate-pulse"></div>
+                <Skeleton className="h-4 w-12" />
               </th>
               <th className="px-6 py-3 text-left">
-                <div className="h-4 bg-gray-200 rounded w-8 animate-pulse"></div>
+                <Skeleton className="h-4 w-8" />
               </th>
             </tr>
           </thead>
-          <tbody className="bg-white divide-y divide-gray-200">
+          <tbody className="bg-card divide-y divide-border">
             {skeletonRows.map((_, index) => (
-              <tr key={index} className="animate-pulse">
+              <tr key={index}>
                 <td className="px-6 py-4">
                   <div className="flex items-start space-x-3">
-                    <div className="p-2 rounded-full bg-gray-200 flex-shrink-0">
-                      <div className="h-4 w-4 bg-gray-300 rounded"></div>
-                    </div>
+                    <Skeleton className="h-10 w-10 rounded-full flex-shrink-0" />
                     <div className="flex-1 space-y-2">
-                      <div className="h-4 bg-gray-200 rounded w-3/4"></div>
+                      <Skeleton className="h-4 w-3/4" />
                       <div className="space-y-1">
-                        <div className="h-3 bg-gray-200 rounded w-1/2"></div>
-                        <div className="h-3 bg-gray-200 rounded w-2/3"></div>
+                        <Skeleton className="h-3 w-1/2" />
+                        <Skeleton className="h-3 w-2/3" />
                       </div>
                     </div>
                   </div>
                 </td>
                 <td className="px-6 py-4">
                   <div className="text-right">
-                    <div className="h-6 bg-gray-200 rounded w-24 ml-auto mb-1"></div>
+                    <Skeleton className="h-6 w-24 ml-auto mb-1" />
                   </div>
                 </td>
                 <td className="px-6 py-4">
                   <div className="space-y-1">
-                    <div className="h-4 bg-gray-200 rounded w-20"></div>
-                    <div className="h-3 bg-gray-200 rounded w-16"></div>
+                    <Skeleton className="h-4 w-20" />
+                    <Skeleton className="h-3 w-16" />
                   </div>
                 </td>
                 <td className="px-6 py-4">
-                  <div className="h-6 bg-gray-200 rounded w-12"></div>
+                  <Skeleton className="h-6 w-12" />
                 </td>
               </tr>
             ))}
           </tbody>
         </table>
       </div>
-    </div>
+    </Card>
   );
 }

frontend/src/components/TransactionsTable.tsx

@@ -28,10 +28,10 @@ import FiltersSkeleton from "./FiltersSkeleton";
 import RawTransactionModal from "./RawTransactionModal";
 import { FilterBar, type FilterState } from "./filters";
 import { DataTablePagination } from "./ui/data-table-pagination";
-import { Card, CardContent } from "./ui/card";
+import { Card } from "./ui/card";
 import { Alert, AlertDescription, AlertTitle } from "./ui/alert";
 import { Button } from "./ui/button";
-import type { Account, Transaction, ApiResponse, Balance } from "../types/api";
+import type { Account, Transaction, ApiResponse } from "../types/api";
 
 export default function TransactionsTable() {
   // Filter state consolidated into a single object
@@ -40,14 +40,11 @@ export default function TransactionsTable() {
     selectedAccount: "",
     startDate: "",
     endDate: "",
-    minAmount: "",
-    maxAmount: "",
   });
 
   const [showRawModal, setShowRawModal] = useState(false);
   const [selectedTransaction, setSelectedTransaction] =
     useState<Transaction | null>(null);
-  const [showRunningBalance, setShowRunningBalance] = useState(true);
 
   // Pagination state
   const [currentPage, setCurrentPage] = useState(1);
@@ -74,8 +71,6 @@ export default function TransactionsTable() {
       selectedAccount: "",
       startDate: "",
       endDate: "",
-      minAmount: "",
-      maxAmount: "",
     });
     setColumnFilters([]);
     setCurrentPage(1);
@@ -102,11 +97,6 @@ export default function TransactionsTable() {
     queryFn: apiClient.getAccounts,
   });
 
-  const { data: balances } = useQuery<Balance[]>({
-    queryKey: ["balances"],
-    queryFn: apiClient.getBalances,
-    enabled: showRunningBalance,
-  });
 
   const {
     data: transactionsResponse,
@@ -122,8 +112,6 @@ export default function TransactionsTable() {
       currentPage,
       perPage,
       debouncedSearchTerm,
-      filterState.minAmount,
-      filterState.maxAmount,
     ],
     queryFn: () =>
       apiClient.getTransactions({
@@ -134,12 +122,6 @@ export default function TransactionsTable() {
         perPage: perPage,
         search: debouncedSearchTerm || undefined,
         summaryOnly: false,
-        minAmount: filterState.minAmount
-          ? parseFloat(filterState.minAmount)
-          : undefined,
-        maxAmount: filterState.maxAmount
-          ? parseFloat(filterState.maxAmount)
-          : undefined,
       }),
   });
 
@@ -163,8 +145,6 @@ export default function TransactionsTable() {
     filterState.selectedAccount,
     filterState.startDate,
     filterState.endDate,
-    filterState.minAmount,
-    filterState.maxAmount,
   ]);
 
   const handleViewRaw = (transaction: Transaction) => {
@@ -181,57 +161,8 @@ export default function TransactionsTable() {
     filterState.searchTerm ||
     filterState.selectedAccount ||
     filterState.startDate ||
-    filterState.endDate ||
-    filterState.minAmount ||
-    filterState.maxAmount;
+    filterState.endDate;
 
-  // Calculate running balances
-  const calculateRunningBalances = (transactions: Transaction[]) => {
-    if (!balances || !showRunningBalance) return {};
-
-    const runningBalances: { [key: string]: number } = {};
-    const accountBalanceMap = new Map<string, number>();
-
-    // Create a map of account current balances
-    balances.forEach((balance) => {
-      if (balance.balance_type === "expected") {
-        accountBalanceMap.set(balance.account_id, balance.balance_amount);
-      }
-    });
-
-    // Group transactions by account
-    const transactionsByAccount = new Map<string, Transaction[]>();
-    transactions.forEach((txn) => {
-      if (!transactionsByAccount.has(txn.account_id)) {
-        transactionsByAccount.set(txn.account_id, []);
-      }
-      transactionsByAccount.get(txn.account_id)!.push(txn);
-    });
-
-    // Calculate running balance for each account
-    transactionsByAccount.forEach((accountTransactions, accountId) => {
-      const currentBalance = accountBalanceMap.get(accountId) || 0;
-      let runningBalance = currentBalance;
-
-      // Sort transactions by date (newest first) to work backwards
-      const sortedTransactions = [...accountTransactions].sort(
-        (a, b) =>
-          new Date(b.transaction_date).getTime() -
-          new Date(a.transaction_date).getTime(),
-      );
-
-      // Calculate running balance by working backwards from current balance
-      sortedTransactions.forEach((txn) => {
-        runningBalances[`${txn.account_id}-${txn.transaction_id}`] =
-          runningBalance;
-        runningBalance -= txn.transaction_value;
-      });
-    });
-
-    return runningBalances;
-  };
-
-  const runningBalances = calculateRunningBalances(transactions);
 
   // Define columns
   const columns: ColumnDef<Transaction>[] = [
@@ -308,29 +239,6 @@ export default function TransactionsTable() {
       },
       sortingFn: "basic",
     },
-    ...(showRunningBalance
-      ? [
-          {
-            id: "running_balance",
-            header: "Running Balance",
-            cell: ({ row }: { row: { original: Transaction } }) => {
-              const transaction = row.original;
-              const balanceKey = `${transaction.account_id}-${transaction.transaction_id}`;
-              const balance = runningBalances[balanceKey];
-
-              if (balance === undefined) return null;
-
-              return (
-                <div className="text-right">
-                  <p className="text-sm font-medium text-foreground">
-                    {formatCurrency(balance, transaction.transaction_currency)}
-                  </p>
-                </div>
-              );
-            },
-          },
-        ]
-      : []),
     {
       accessorKey: "transaction_date",
       header: "Date",
@@ -438,7 +346,7 @@ export default function TransactionsTable() {
   }
 
   return (
-    <div className="space-y-6">
+    <div className="space-y-6 max-w-full">
       {/* New FilterBar */}
       <FilterBar
         filterState={filterState}
@@ -446,132 +354,94 @@ export default function TransactionsTable() {
         onClearFilters={handleClearFilters}
         accounts={accounts}
         isSearchLoading={isSearchLoading}
-        showRunningBalance={showRunningBalance}
-        onToggleRunningBalance={() =>
-          setShowRunningBalance(!showRunningBalance)
-        }
       />
 
-      {/* Results Summary */}
-      <Card>
-        <CardContent className="px-6 py-3 bg-muted/30 border-b border-border">
-          <p className="text-sm text-muted-foreground">
-            Showing {transactions.length} transaction
-            {transactions.length !== 1 ? "s" : ""} (
-            {pagination ? (
-              <>
-                {(pagination.page - 1) * pagination.per_page + 1}-
-                {Math.min(
-                  pagination.page * pagination.per_page,
-                  pagination.total,
-                )}{" "}
-                of {pagination.total}
-              </>
-            ) : (
-              "loading..."
-            )}
-            )
-            {filterState.selectedAccount && accounts && (
-              <span className="ml-1">
-                for{" "}
-                {
-                  accounts.find((acc) => acc.id === filterState.selectedAccount)
-                    ?.name
-                }
-              </span>
-            )}
-          </p>
-        </CardContent>
-      </Card>
-
       {/* Responsive Table/Cards */}
-      <Card className="overflow-hidden">
+      <Card>
         {/* Desktop Table View (hidden on mobile) */}
         <div className="hidden md:block">
-          <div className="overflow-x-auto">
-            <table className="min-w-full divide-y divide-border">
-              <thead className="bg-muted/50">
-                {table.getHeaderGroups().map((headerGroup) => (
-                  <tr key={headerGroup.id}>
-                    {headerGroup.headers.map((header) => (
-                      <th
-                        key={header.id}
-                        className="px-6 py-3 text-left text-xs font-medium text-muted-foreground uppercase tracking-wider cursor-pointer hover:bg-muted"
-                        onClick={header.column.getToggleSortingHandler()}
+          <table className="min-w-full divide-y divide-border">
+            <thead className="bg-muted/50">
+              {table.getHeaderGroups().map((headerGroup) => (
+                <tr key={headerGroup.id}>
+                  {headerGroup.headers.map((header) => (
+                    <th
+                      key={header.id}
+                      className="px-6 py-3 text-left text-xs font-medium text-muted-foreground uppercase tracking-wider cursor-pointer hover:bg-muted"
+                      onClick={header.column.getToggleSortingHandler()}
+                    >
+                      <div className="flex items-center space-x-1">
+                        <span>
+                          {header.isPlaceholder
+                            ? null
+                            : flexRender(
+                                header.column.columnDef.header,
+                                header.getContext(),
+                              )}
+                        </span>
+                        {header.column.getCanSort() && (
+                          <div className="flex flex-col">
+                            <ChevronUp
+                              className={`h-3 w-3 ${
+                                header.column.getIsSorted() === "asc"
+                                  ? "text-primary"
+                                  : "text-muted-foreground"
+                              }`}
+                            />
+                            <ChevronDown
+                              className={`h-3 w-3 -mt-1 ${
+                                header.column.getIsSorted() === "desc"
+                                  ? "text-primary"
+                                  : "text-muted-foreground"
+                              }`}
+                            />
+                          </div>
+                        )}
+                      </div>
+                    </th>
+                  ))}
+                </tr>
+              ))}
+            </thead>
+            <tbody className="bg-card divide-y divide-border">
+              {table.getRowModel().rows.length === 0 ? (
+                <tr>
+                  <td
+                    colSpan={columns.length}
+                    className="px-6 py-12 text-center"
+                  >
+                    <div className="text-muted-foreground mb-4">
+                      <TrendingUp className="h-12 w-12 mx-auto" />
+                    </div>
+                    <h3 className="text-lg font-medium text-foreground mb-2">
+                      No transactions found
+                    </h3>
+                    <p className="text-muted-foreground">
+                      {hasActiveFilters
+                        ? "Try adjusting your filters to see more results."
+                        : "No transactions are available for the selected criteria."}
+                    </p>
+                  </td>
+                </tr>
+              ) : (
+                table.getRowModel().rows.map((row) => (
+                  <tr key={row.id} className="hover:bg-muted/50">
+                    {row.getVisibleCells().map((cell) => (
+                      <td
+                        key={cell.id}
+                        className="px-6 py-4 whitespace-nowrap"
                       >
-                        <div className="flex items-center space-x-1">
-                          <span>
-                            {header.isPlaceholder
-                              ? null
-                              : flexRender(
-                                  header.column.columnDef.header,
-                                  header.getContext(),
-                                )}
-                          </span>
-                          {header.column.getCanSort() && (
-                            <div className="flex flex-col">
-                              <ChevronUp
-                                className={`h-3 w-3 ${
-                                  header.column.getIsSorted() === "asc"
-                                    ? "text-primary"
-                                    : "text-muted-foreground"
-                                }`}
-                              />
-                              <ChevronDown
-                                className={`h-3 w-3 -mt-1 ${
-                                  header.column.getIsSorted() === "desc"
-                                    ? "text-primary"
-                                    : "text-muted-foreground"
-                                }`}
-                              />
-                            </div>
-                          )}
-                        </div>
-                      </th>
+                        {flexRender(
+                          cell.column.columnDef.cell,
+                          cell.getContext(),
+                        )}
+                      </td>
                     ))}
                   </tr>
-                ))}
-              </thead>
-              <tbody className="bg-card divide-y divide-border">
-                {table.getRowModel().rows.length === 0 ? (
-                  <tr>
-                    <td
-                      colSpan={columns.length}
-                      className="px-6 py-12 text-center"
-                    >
-                      <div className="text-muted-foreground mb-4">
-                        <TrendingUp className="h-12 w-12 mx-auto" />
-                      </div>
-                      <h3 className="text-lg font-medium text-foreground mb-2">
-                        No transactions found
-                      </h3>
-                      <p className="text-muted-foreground">
-                        {hasActiveFilters
-                          ? "Try adjusting your filters to see more results."
-                          : "No transactions are available for the selected criteria."}
-                      </p>
-                    </td>
-                  </tr>
-                ) : (
-                  table.getRowModel().rows.map((row) => (
-                    <tr key={row.id} className="hover:bg-muted/50">
-                      {row.getVisibleCells().map((cell) => (
-                        <td
-                          key={cell.id}
-                          className="px-6 py-4 whitespace-nowrap"
-                        >
-                          {flexRender(
-                            cell.column.columnDef.cell,
-                            cell.getContext(),
-                          )}
-                        </td>
-                      ))}
-                    </tr>
-                  ))
-                )}
-              </tbody>
-            </table>
-          </div>
+                ))
+              )}
+            </tbody>
+          </table>
         </div>
 
         {/* Mobile Card View (visible only on mobile) */}
@@ -671,17 +541,6 @@ export default function TransactionsTable() {
                             transaction.transaction_currency,
                           )}
                         </p>
-                        {showRunningBalance && (
-                          <p className="text-xs text-muted-foreground mb-1">
-                            Balance:{" "}
-                            {formatCurrency(
-                              runningBalances[
-                                `${transaction.account_id}-${transaction.transaction_id}`
-                              ] || 0,
-                              transaction.transaction_currency,
-                            )}
-                          </p>
-                        )}
                         <button
                           onClick={() => handleViewRaw(transaction)}
                           className="inline-flex items-center px-2 py-1 text-xs bg-muted text-muted-foreground rounded hover:bg-accent transition-colors"

frontend/src/components/analytics/StatCard.tsx

@@ -12,6 +12,7 @@ interface StatCardProps {
     isPositive: boolean;
   };
   className?: string;
+  iconColor?: "green" | "blue" | "red" | "purple" | "orange" | "default";
 }
 
 export default function StatCard({
@@ -21,43 +22,58 @@ export default function StatCard({
   icon: Icon,
   trend,
   className,
+  iconColor = "default",
 }: StatCardProps) {
   return (
     <Card className={cn(className)}>
       <CardContent className="p-6">
-        <div className="flex items-center">
-          <div className="flex-shrink-0">
-            <Icon className="h-8 w-8 text-primary" />
-          </div>
-          <div className="ml-5 w-0 flex-1">
-            <dl>
-              <dt className="text-sm font-medium text-muted-foreground truncate">
-                {title}
-              </dt>
-              <dd className="flex items-baseline">
-                <div className="text-2xl font-semibold text-foreground">
-                  {value}
+        <div className="flex items-center justify-between">
+          <div>
+            <p className="text-sm font-medium text-muted-foreground">
+              {title}
+            </p>
+            <div className="flex items-baseline">
+              <p className="text-2xl font-bold text-foreground">
+                {value}
+              </p>
+              {trend && (
+                <div
+                  className={cn(
+                    "ml-2 flex items-baseline text-sm font-semibold",
+                    trend.isPositive
+                      ? "text-green-600 dark:text-green-400"
+                      : "text-red-600 dark:text-red-400",
+                  )}
+                >
+                  {trend.isPositive ? "+" : ""}
+                  {trend.value}%
                 </div>
-                {trend && (
-                  <div
-                    className={cn(
-                      "ml-2 flex items-baseline text-sm font-semibold",
-                      trend.isPositive
-                        ? "text-green-600 dark:text-green-400"
-                        : "text-red-600 dark:text-red-400",
-                    )}
-                  >
-                    {trend.isPositive ? "+" : ""}
-                    {trend.value}%
-                  </div>
-                )}
-              </dd>
-              {subtitle && (
-                <dd className="text-sm text-muted-foreground mt-1">
-                  {subtitle}
-                </dd>
               )}
-            </dl>
+            </div>
+            {subtitle && (
+              <p className="text-sm text-muted-foreground mt-1">
+                {subtitle}
+              </p>
+            )}
+          </div>
+          <div className={cn(
+            "p-3 rounded-full",
+            iconColor === "green" && "bg-green-100 dark:bg-green-900/20",
+            iconColor === "blue" && "bg-blue-100 dark:bg-blue-900/20",
+            iconColor === "red" && "bg-red-100 dark:bg-red-900/20",
+            iconColor === "purple" && "bg-purple-100 dark:bg-purple-900/20",
+            iconColor === "orange" && "bg-orange-100 dark:bg-orange-900/20",
+            iconColor === "default" && "bg-muted"
+          )}>
+            <Icon className={cn(
+              "h-6 w-6",
+              iconColor === "green" && "text-green-600",
+              iconColor === "blue" && "text-blue-600",
+              iconColor === "red" && "text-red-600",
+              iconColor === "purple" && "text-purple-600",
+              iconColor === "orange" && "text-orange-600",
+              iconColor === "default" && "text-muted-foreground"
+            )} />
           </div>
         </div>
       </CardContent>

frontend/src/components/analytics/TimePeriodFilter.tsx

@@ -15,12 +15,12 @@ export default function TimePeriodFilter({
   className = "",
 }: TimePeriodFilterProps) {
   return (
-    <div className={`flex items-center gap-4 ${className}`}>
+    <div className={`flex flex-col sm:flex-row sm:items-center gap-4 ${className}`}>
       <div className="flex items-center gap-2 text-foreground">
         <Calendar size={20} />
         <span className="font-medium">Time Period:</span>
       </div>
-      <div className="flex gap-2">
+      <div className="flex flex-wrap gap-2">
         {TIME_PERIODS.map((period) => (
           <Button
             key={period.value}

frontend/src/components/analytics/TransactionDistribution.tsx

@@ -17,6 +17,7 @@ interface PieDataPoint {
   name: string;
   value: number;
   color: string;
+  [key: string]: string | number;
 }
 
 interface TooltipProps {

frontend/src/components/filters/AccountCombobox.tsx

@@ -38,7 +38,8 @@ export function AccountCombobox({
   );
 
   const formatAccountName = (account: Account) => {
-    const displayName = account.display_name || account.name || "Unnamed Account";
+    const displayName =
+      account.display_name || account.name || "Unnamed Account";
     return `${displayName} (${account.institution_id})`;
   };
 
@@ -50,7 +51,7 @@ export function AccountCombobox({
             variant="outline"
             role="combobox"
             aria-expanded={open}
-            className="justify-between"
+            className="w-full justify-between"
           >
             <div className="flex items-center">
               <Building2 className="mr-2 h-4 w-4" />
@@ -105,7 +106,9 @@ export function AccountCombobox({
                     />
                     <div className="flex flex-col">
                       <span className="font-medium">
-                        {account.display_name || account.name || "Unnamed Account"}
+                        {account.display_name ||
+                          account.name ||
+                          "Unnamed Account"}
                       </span>
                       <span className="text-xs text-gray-500">
                         {account.institution_id}

frontend/src/components/filters/ActiveFilterChips.tsx

@@ -8,12 +8,14 @@ import type { Account } from "../../types/api";
 export interface ActiveFilterChipsProps {
   filterState: FilterState;
   onFilterChange: (key: keyof FilterState, value: string) => void;
+  onClearFilters: () => void;
   accounts?: Account[];
 }
 
 export function ActiveFilterChips({
   filterState,
   onFilterChange,
+  onClearFilters,
   accounts = [],
 }: ActiveFilterChipsProps) {
   const chips: Array<{
@@ -68,30 +70,6 @@ export function ActiveFilterChips({
     });
   }
 
-  // Amount range chips
-  if (filterState.minAmount || filterState.maxAmount) {
-    let amountLabel = "Amount: ";
-    const minAmount = filterState.minAmount
-      ? parseFloat(filterState.minAmount)
-      : null;
-    const maxAmount = filterState.maxAmount
-      ? parseFloat(filterState.maxAmount)
-      : null;
-
-    if (minAmount && maxAmount) {
-      amountLabel += `€${minAmount} - €${maxAmount}`;
-    } else if (minAmount) {
-      amountLabel += `≥ €${minAmount}`;
-    } else if (maxAmount) {
-      amountLabel += `≤ €${maxAmount}`;
-    }
-
-    chips.push({
-      key: "minAmount", // We'll clear both min and max when removing this chip
-      label: amountLabel,
-      value: `${filterState.minAmount}-${filterState.maxAmount}`,
-    });
-  }
 
   const handleRemoveChip = (key: keyof FilterState) => {
     switch (key) {
@@ -100,11 +78,6 @@ export function ActiveFilterChips({
         onFilterChange("startDate", "");
         onFilterChange("endDate", "");
         break;
-      case "minAmount":
-        // Clear both min and max amount
-        onFilterChange("minAmount", "");
-        onFilterChange("maxAmount", "");
-        break;
       default:
         onFilterChange(key, "");
     }
@@ -135,6 +108,15 @@ export function ActiveFilterChips({
           </Button>
         </Badge>
       ))}
+      <Button
+        onClick={onClearFilters}
+        variant="outline"
+        size="sm"
+        className="text-muted-foreground ml-2"
+      >
+        <X className="h-4 w-4 mr-1" />
+        Clear All
+      </Button>
     </div>
   );
 }

frontend/src/components/filters/AdvancedFiltersPopover.tsx

@@ -1,127 +0,0 @@
-import { useState } from "react";
-import { MoreHorizontal, Euro } from "lucide-react";
-import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
-import {
-  Popover,
-  PopoverContent,
-  PopoverTrigger,
-} from "@/components/ui/popover";
-
-export interface AdvancedFiltersPopoverProps {
-  minAmount: string;
-  maxAmount: string;
-  onMinAmountChange: (value: string) => void;
-  onMaxAmountChange: (value: string) => void;
-}
-
-export function AdvancedFiltersPopover({
-  minAmount,
-  maxAmount,
-  onMinAmountChange,
-  onMaxAmountChange,
-}: AdvancedFiltersPopoverProps) {
-  const [open, setOpen] = useState(false);
-
-  const hasAdvancedFilters = minAmount || maxAmount;
-
-  return (
-    <Popover open={open} onOpenChange={setOpen}>
-      <PopoverTrigger asChild>
-        <Button
-          variant={hasAdvancedFilters ? "default" : "outline"}
-          size="default"
-          className="relative"
-        >
-          <MoreHorizontal className="h-4 w-4 mr-2" />
-          More
-          {hasAdvancedFilters && (
-            <div className="absolute -top-1 -right-1 h-2 w-2 bg-blue-600 rounded-full" />
-          )}
-        </Button>
-      </PopoverTrigger>
-      <PopoverContent className="w-80" align="end">
-        <div className="space-y-4">
-          <div className="space-y-2">
-            <h4 className="font-medium leading-none">Advanced Filters</h4>
-            <p className="text-sm text-muted-foreground">
-              Additional filters for more precise results
-            </p>
-          </div>
-
-          <div className="space-y-4">
-            <div className="space-y-2">
-              <label className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70">
-                Amount Range
-              </label>
-              <div className="grid grid-cols-2 gap-3">
-                <div className="space-y-1">
-                  <label className="text-xs text-muted-foreground">
-                    Minimum
-                  </label>
-                  <div className="relative">
-                    <Euro className="absolute left-2 top-1/2 transform -translate-y-1/2 h-4 w-4 text-gray-400" />
-                    <Input
-                      type="number"
-                      placeholder="0.00"
-                      value={minAmount}
-                      onChange={(e) => onMinAmountChange(e.target.value)}
-                      className="pl-8"
-                      step="0.01"
-                      min="0"
-                    />
-                  </div>
-                </div>
-                <div className="space-y-1">
-                  <label className="text-xs text-muted-foreground">
-                    Maximum
-                  </label>
-                  <div className="relative">
-                    <Euro className="absolute left-2 top-1/2 transform -translate-y-1/2 h-4 w-4 text-gray-400" />
-                    <Input
-                      type="number"
-                      placeholder="1000.00"
-                      value={maxAmount}
-                      onChange={(e) => onMaxAmountChange(e.target.value)}
-                      className="pl-8"
-                      step="0.01"
-                      min="0"
-                    />
-                  </div>
-                </div>
-              </div>
-              <p className="text-xs text-muted-foreground">
-                Leave empty for no limit
-              </p>
-            </div>
-
-            {/* Future: Add transaction status filter */}
-            <div className="pt-2 border-t">
-              <div className="text-xs text-muted-foreground">
-                More filters coming soon: transaction status, categories, and
-                more.
-              </div>
-            </div>
-
-            {/* Clear advanced filters */}
-            {hasAdvancedFilters && (
-              <div className="pt-2">
-                <Button
-                  variant="outline"
-                  size="sm"
-                  onClick={() => {
-                    onMinAmountChange("");
-                    onMaxAmountChange("");
-                  }}
-                  className="w-full"
-                >
-                  Clear Advanced Filters
-                </Button>
-              </div>
-            )}
-          </div>
-        </div>
-      </PopoverContent>
-    </Popover>
-  );
-}

frontend/src/components/filters/DateRangePicker.tsx

@@ -6,6 +6,7 @@ import type { DateRange } from "react-day-picker";
 import { cn } from "@/lib/utils";
 import { Button } from "@/components/ui/button";
 import { Calendar } from "@/components/ui/calendar";
+import { Card, CardContent, CardFooter } from "@/components/ui/card";
 import {
   Popover,
   PopoverContent,
@@ -26,33 +27,35 @@ interface DatePreset {
 
 const datePresets: DatePreset[] = [
   {
-    label: "Last 7 days",
+    label: "Today",
     getValue: () => {
-      const endDate = new Date();
-      const startDate = new Date();
-      startDate.setDate(endDate.getDate() - 7);
+      const today = new Date();
       return {
-        startDate: startDate.toISOString().split("T")[0],
-        endDate: endDate.toISOString().split("T")[0],
+        startDate: today.toISOString().split("T")[0],
+        endDate: today.toISOString().split("T")[0],
       };
     },
   },
   {
-    label: "This week",
+    label: "Yesterday",
     getValue: () => {
-      const now = new Date();
-      const dayOfWeek = now.getDay();
-      const startOfWeek = new Date(now);
-      startOfWeek.setDate(
-        now.getDate() - dayOfWeek + (dayOfWeek === 0 ? -6 : 1),
-      ); // Monday as start
-
-      const endOfWeek = new Date(startOfWeek);
-      endOfWeek.setDate(startOfWeek.getDate() + 6);
-
+      const yesterday = new Date();
+      yesterday.setDate(yesterday.getDate() - 1);
       return {
-        startDate: startOfWeek.toISOString().split("T")[0],
-        endDate: endOfWeek.toISOString().split("T")[0],
+        startDate: yesterday.toISOString().split("T")[0],
+        endDate: yesterday.toISOString().split("T")[0],
+      };
+    },
+  },
+  {
+    label: "Last 7 days",
+    getValue: () => {
+      const endDate = new Date();
+      const startDate = new Date();
+      startDate.setDate(endDate.getDate() - 6);
+      return {
+        startDate: startDate.toISOString().split("T")[0],
+        endDate: endDate.toISOString().split("T")[0],
       };
     },
   },
@@ -61,7 +64,7 @@ const datePresets: DatePreset[] = [
     getValue: () => {
       const endDate = new Date();
       const startDate = new Date();
-      startDate.setDate(endDate.getDate() - 30);
+      startDate.setDate(endDate.getDate() - 29);
       return {
         startDate: startDate.toISOString().split("T")[0],
         endDate: endDate.toISOString().split("T")[0],
@@ -81,19 +84,6 @@ const datePresets: DatePreset[] = [
       };
     },
   },
-  {
-    label: "This year",
-    getValue: () => {
-      const now = new Date();
-      const startOfYear = new Date(now.getFullYear(), 0, 1);
-      const endOfYear = new Date(now.getFullYear(), 11, 31);
-
-      return {
-        startDate: startOfYear.toISOString().split("T")[0],
-        endDate: endOfYear.toISOString().split("T")[0],
-      };
-    },
-  },
 ];
 
 export function DateRangePicker({
@@ -178,34 +168,30 @@ export function DateRangePicker({
           </Button>
         </PopoverTrigger>
         <PopoverContent className="w-auto p-0" align="start">
-          <div className="flex">
-            {/* Presets */}
-            <div className="border-r p-3 space-y-1">
-              <div className="text-sm font-medium text-gray-700 mb-2">
-                Quick select
-              </div>
+          <Card className="w-auto py-4">
+            <CardContent className="px-4">
+              <Calendar
+                mode="range"
+                defaultMonth={dateRange?.from}
+                selected={dateRange}
+                onSelect={handleDateRangeSelect}
+                className="bg-transparent p-0"
+              />
+            </CardContent>
+            <CardFooter className="grid grid-cols-2 gap-1 border-t px-4 !pt-4">
               {datePresets.map((preset) => (
                 <Button
                   key={preset.label}
-                  variant="ghost"
+                  variant="outline"
                   size="sm"
-                  className="w-full justify-start text-sm"
+                  className="text-xs px-2 h-7"
                   onClick={() => handlePresetClick(preset)}
                 >
                   {preset.label}
                 </Button>
               ))}
-            </div>
-            {/* Calendar */}
-            <Calendar
-              initialFocus
-              mode="range"
-              defaultMonth={dateRange?.from}
-              selected={dateRange}
-              onSelect={handleDateRangeSelect}
-              numberOfMonths={2}
-            />
-          </div>
+            </CardFooter>
+          </Card>
         </PopoverContent>
       </Popover>
     </div>

frontend/src/components/filters/FilterBar.tsx

@@ -1,11 +1,9 @@
-import { Search, X } from "lucide-react";
-import { Button } from "@/components/ui/button";
+import { Search } from "lucide-react";
 import { Input } from "@/components/ui/input";
 import { cn } from "@/lib/utils";
 import { DateRangePicker } from "./DateRangePicker";
 import { AccountCombobox } from "./AccountCombobox";
 import { ActiveFilterChips } from "./ActiveFilterChips";
-import { AdvancedFiltersPopover } from "./AdvancedFiltersPopover";
 import type { Account } from "../../types/api";
 
 export interface FilterState {
@@ -13,8 +11,6 @@ export interface FilterState {
   selectedAccount: string;
   startDate: string;
   endDate: string;
-  minAmount: string;
-  maxAmount: string;
 }
 
 export interface FilterBarProps {
@@ -23,8 +19,6 @@ export interface FilterBarProps {
   onClearFilters: () => void;
   accounts?: Account[];
   isSearchLoading?: boolean;
-  showRunningBalance: boolean;
-  onToggleRunningBalance: () => void;
   className?: string;
 }
 
@@ -34,17 +28,13 @@ export function FilterBar({
   onClearFilters,
   accounts,
   isSearchLoading = false,
-  showRunningBalance,
-  onToggleRunningBalance,
   className,
 }: FilterBarProps) {
   const hasActiveFilters =
     filterState.searchTerm ||
     filterState.selectedAccount ||
     filterState.startDate ||
-    filterState.endDate ||
-    filterState.minAmount ||
-    filterState.maxAmount;
+    filterState.endDate;
 
   const handleDateRangeChange = (startDate: string, endDate: string) => {
     onFilterChange("startDate", startDate);
@@ -59,71 +49,88 @@ export function FilterBar({
           <h3 className="text-lg font-semibold text-card-foreground">
             Transactions
           </h3>
-          <Button
-            onClick={onToggleRunningBalance}
-            variant={showRunningBalance ? "default" : "outline"}
-            size="sm"
-          >
-            Balance
-          </Button>
         </div>
 
         {/* Primary Filters Row */}
-        <div className="flex flex-wrap items-center gap-3 mb-4">
-          {/* Search Input */}
-          <div className="relative flex-1 min-w-[240px]">
-            <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 h-4 w-4 text-muted-foreground" />
-            <Input
-              placeholder="Search transactions..."
-              value={filterState.searchTerm}
-              onChange={(e) => onFilterChange("searchTerm", e.target.value)}
-              className="pl-9 pr-8 bg-background"
-            />
-            {isSearchLoading && (
-              <div className="absolute right-3 top-1/2 transform -translate-y-1/2">
-                <div className="animate-spin h-4 w-4 border-2 border-border border-t-primary rounded-full"></div>
+        <div className="space-y-4 mb-4">
+          {/* Desktop Layout */}
+          <div className="hidden lg:flex items-center justify-between gap-6">
+            {/* Left Side: Main Filters */}
+            <div className="flex items-center gap-3 flex-1">
+              {/* Search Input */}
+              <div className="relative w-[200px]">
+                <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 h-4 w-4 text-muted-foreground" />
+                <Input
+                  placeholder="Search transactions..."
+                  value={filterState.searchTerm}
+                  onChange={(e) => onFilterChange("searchTerm", e.target.value)}
+                  className="pl-9 pr-8 bg-background"
+                />
+                {isSearchLoading && (
+                  <div className="absolute right-3 top-1/2 transform -translate-y-1/2">
+                    <div className="animate-spin h-4 w-4 border-2 border-border border-t-primary rounded-full"></div>
+                  </div>
+                )}
               </div>
-            )}
+
+              {/* Account Selection */}
+              <AccountCombobox
+                accounts={accounts}
+                selectedAccount={filterState.selectedAccount}
+                onAccountChange={(accountId) =>
+                  onFilterChange("selectedAccount", accountId)
+                }
+                className="w-[180px]"
+              />
+
+              {/* Date Range Picker */}
+              <DateRangePicker
+                startDate={filterState.startDate}
+                endDate={filterState.endDate}
+                onDateRangeChange={handleDateRangeChange}
+                className="w-[220px]"
+              />
+            </div>
+
           </div>
 
-          {/* Account Selection */}
-          <AccountCombobox
-            accounts={accounts}
-            selectedAccount={filterState.selectedAccount}
-            onAccountChange={(accountId) =>
-              onFilterChange("selectedAccount", accountId)
-            }
-            className="w-[200px]"
-          />
+          {/* Mobile Layout */}
+          <div className="lg:hidden space-y-3">
+            {/* First Row: Search Input (Full Width) */}
+            <div className="relative">
+              <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 h-4 w-4 text-muted-foreground" />
+              <Input
+                placeholder="Search..."
+                value={filterState.searchTerm}
+                onChange={(e) => onFilterChange("searchTerm", e.target.value)}
+                className="pl-9 pr-8 bg-background w-full"
+              />
+              {isSearchLoading && (
+                <div className="absolute right-3 top-1/2 transform -translate-y-1/2">
+                  <div className="animate-spin h-4 w-4 border-2 border-border border-t-primary rounded-full"></div>
+                </div>
+              )}
+            </div>
 
-          {/* Date Range Picker */}
-          <DateRangePicker
-            startDate={filterState.startDate}
-            endDate={filterState.endDate}
-            onDateRangeChange={handleDateRangeChange}
-            className="w-[240px]"
-          />
+            {/* Second Row: Account Selection (Full Width) */}
+            <AccountCombobox
+              accounts={accounts}
+              selectedAccount={filterState.selectedAccount}
+              onAccountChange={(accountId) =>
+                onFilterChange("selectedAccount", accountId)
+              }
+              className="w-full"
+            />
 
-          {/* Advanced Filters Button */}
-          <AdvancedFiltersPopover
-            minAmount={filterState.minAmount}
-            maxAmount={filterState.maxAmount}
-            onMinAmountChange={(value) => onFilterChange("minAmount", value)}
-            onMaxAmountChange={(value) => onFilterChange("maxAmount", value)}
-          />
+            {/* Third Row: Date Range */}
+            <DateRangePicker
+              startDate={filterState.startDate}
+              endDate={filterState.endDate}
+              onDateRangeChange={handleDateRangeChange}
+              className="w-full"
+            />
 
-          {/* Clear Filters Button */}
-          {hasActiveFilters && (
-            <Button
-              onClick={onClearFilters}
-              variant="outline"
-              size="sm"
-              className="text-muted-foreground"
-            >
-              <X className="h-4 w-4 mr-1" />
-              Clear All
-            </Button>
-          )}
+          </div>
         </div>
 
         {/* Active Filter Chips */}
@@ -131,6 +138,7 @@ export function FilterBar({
           <ActiveFilterChips
             filterState={filterState}
             onFilterChange={onFilterChange}
+            onClearFilters={onClearFilters}
             accounts={accounts}
           />
         )}

frontend/src/components/filters/index.ts

@@ -2,5 +2,4 @@ export { FilterBar } from "./FilterBar";
 export { DateRangePicker } from "./DateRangePicker";
 export { AccountCombobox } from "./AccountCombobox";
 export { ActiveFilterChips } from "./ActiveFilterChips";
-export { AdvancedFiltersPopover } from "./AdvancedFiltersPopover";
 export type { FilterState, FilterBarProps } from "./FilterBar";

frontend/src/components/ui/alert.tsx

@@ -4,7 +4,7 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/lib/utils";
 
 const alertVariants = cva(
-  "relative w-full rounded-lg border p-4 [&>svg~*]:pl-7 [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground",
+  "relative w-full rounded-lg border px-4 py-3 text-sm [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground [&>svg~*]:pl-7",
   {
     variants: {
       variant: {

frontend/src/components/ui/button.tsx

@@ -1,8 +1,8 @@
-import * as React from "react";
-import { Slot } from "@radix-ui/react-slot";
-import { cva, type VariantProps } from "class-variance-authority";
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva, type VariantProps } from "class-variance-authority"
 
-import { cn } from "@/lib/utils";
+import { cn } from "@/lib/utils"
 
 const buttonVariants = cva(
   "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
@@ -31,27 +31,27 @@ const buttonVariants = cva(
       variant: "default",
       size: "default",
     },
-  },
-);
+  }
+)
 
 export interface ButtonProps
   extends React.ButtonHTMLAttributes<HTMLButtonElement>,
     VariantProps<typeof buttonVariants> {
-  asChild?: boolean;
+  asChild?: boolean
 }
 
 const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
   ({ className, variant, size, asChild = false, ...props }, ref) => {
-    const Comp = asChild ? Slot : "button";
+    const Comp = asChild ? Slot : "button"
     return (
       <Comp
         className={cn(buttonVariants({ variant, size, className }))}
         ref={ref}
         {...props}
       />
-    );
-  },
-);
-Button.displayName = "Button";
+    )
+  }
+)
+Button.displayName = "Button"
 
-export { Button, buttonVariants };
+export { Button, buttonVariants }

frontend/src/components/ui/input.tsx

@@ -1,6 +1,6 @@
-import * as React from "react";
+import * as React from "react"
 
-import { cn } from "@/lib/utils";
+import { cn } from "@/lib/utils"
 
 const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
   ({ className, type, ...props }, ref) => {
@@ -9,14 +9,14 @@ const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
         type={type}
         className={cn(
           "flex h-9 w-full rounded-md border border-input bg-transparent px-3 py-1 text-base shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
-          className,
+          className
         )}
         ref={ref}
         {...props}
       />
-    );
-  },
-);
-Input.displayName = "Input";
+    )
+  }
+)
+Input.displayName = "Input"
 
-export { Input };
+export { Input }

frontend/src/components/ui/logo.tsx

@@ -0,0 +1,44 @@
+interface LogoProps {
+  className?: string;
+  size?: number;
+}
+
+export function Logo({ className = "", size = 32 }: LogoProps) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width={size}
+      height={size}
+      viewBox="0 0 32 32"
+      className={className}
+      role="img"
+      aria-labelledby="logo-title logo-desc"
+    >
+      <title id="logo-title">leggen — stylized italic L</title>
+      <desc id="logo-desc">Square gradient background with italic white L.</desc>
+
+      <defs>
+        <linearGradient id="logo-bg" x1="0" y1="0" x2="1" y2="1">
+          <stop offset="0%" stopColor="#0b74de" />
+          <stop offset="100%" stopColor="#06b6d4" />
+        </linearGradient>
+      </defs>
+
+      {/* Square background */}
+      <rect width="32" height="32" fill="url(#logo-bg)" rx="4" />
+
+      {/* Italic L */}
+      <text
+        x="11"
+        y="22"
+        fontFamily="Inter, Roboto, Arial, sans-serif"
+        fontWeight="700"
+        fontSize="20"
+        fontStyle="italic"
+        fill="#fff"
+      >
+        L
+      </text>
+    </svg>
+  );
+}

frontend/src/components/ui/progress.tsx

@@ -0,0 +1,26 @@
+import * as React from "react";
+import * as ProgressPrimitive from "@radix-ui/react-progress";
+
+import { cn } from "@/lib/utils";
+
+const Progress = React.forwardRef<
+  React.ElementRef<typeof ProgressPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof ProgressPrimitive.Root>
+>(({ className, value, ...props }, ref) => (
+  <ProgressPrimitive.Root
+    ref={ref}
+    className={cn(
+      "relative h-2 w-full overflow-hidden rounded-full bg-secondary",
+      className,
+    )}
+    {...props}
+  >
+    <ProgressPrimitive.Indicator
+      className="h-full w-full flex-1 bg-primary transition-all"
+      style={{ transform: `translateX(-${100 - (value || 0)}%)` }}
+    />
+  </ProgressPrimitive.Root>
+));
+Progress.displayName = ProgressPrimitive.Root.displayName;
+
+export { Progress };

frontend/src/components/ui/separator.tsx

@@ -0,0 +1,29 @@
+import * as React from "react"
+import * as SeparatorPrimitive from "@radix-ui/react-separator"
+
+import { cn } from "@/lib/utils"
+
+const Separator = React.forwardRef<
+  React.ElementRef<typeof SeparatorPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SeparatorPrimitive.Root>
+>(
+  (
+    { className, orientation = "horizontal", decorative = true, ...props },
+    ref
+  ) => (
+    <SeparatorPrimitive.Root
+      ref={ref}
+      decorative={decorative}
+      orientation={orientation}
+      className={cn(
+        "shrink-0 bg-border",
+        orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]",
+        className
+      )}
+      {...props}
+    />
+  )
+)
+Separator.displayName = SeparatorPrimitive.Root.displayName
+
+export { Separator }

frontend/src/components/ui/sheet.tsx

@@ -0,0 +1,140 @@
+"use client"
+
+import * as React from "react"
+import * as SheetPrimitive from "@radix-ui/react-dialog"
+import { cva, type VariantProps } from "class-variance-authority"
+import { X } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Sheet = SheetPrimitive.Root
+
+const SheetTrigger = SheetPrimitive.Trigger
+
+const SheetClose = SheetPrimitive.Close
+
+const SheetPortal = SheetPrimitive.Portal
+
+const SheetOverlay = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Overlay
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80  data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className
+    )}
+    {...props}
+    ref={ref}
+  />
+))
+SheetOverlay.displayName = SheetPrimitive.Overlay.displayName
+
+const sheetVariants = cva(
+  "fixed z-50 gap-4 bg-background p-6 shadow-lg transition ease-in-out data-[state=closed]:duration-300 data-[state=open]:duration-500 data-[state=open]:animate-in data-[state=closed]:animate-out",
+  {
+    variants: {
+      side: {
+        top: "inset-x-0 top-0 border-b data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top",
+        bottom:
+          "inset-x-0 bottom-0 border-t data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom",
+        left: "inset-y-0 left-0 h-full w-3/4 border-r data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left sm:max-w-sm",
+        right:
+          "inset-y-0 right-0 h-full w-3/4 border-l data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right sm:max-w-sm",
+      },
+    },
+    defaultVariants: {
+      side: "right",
+    },
+  }
+)
+
+interface SheetContentProps
+  extends React.ComponentPropsWithoutRef<typeof SheetPrimitive.Content>,
+    VariantProps<typeof sheetVariants> {}
+
+const SheetContent = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Content>,
+  SheetContentProps
+>(({ side = "right", className, children, ...props }, ref) => (
+  <SheetPortal>
+    <SheetOverlay />
+    <SheetPrimitive.Content
+      ref={ref}
+      className={cn(sheetVariants({ side }), className)}
+      {...props}
+    >
+      <SheetPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-secondary">
+        <X className="h-4 w-4" />
+        <span className="sr-only">Close</span>
+      </SheetPrimitive.Close>
+      {children}
+    </SheetPrimitive.Content>
+  </SheetPortal>
+))
+SheetContent.displayName = SheetPrimitive.Content.displayName
+
+const SheetHeader = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col space-y-2 text-center sm:text-left",
+      className
+    )}
+    {...props}
+  />
+)
+SheetHeader.displayName = "SheetHeader"
+
+const SheetFooter = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
+      className
+    )}
+    {...props}
+  />
+)
+SheetFooter.displayName = "SheetFooter"
+
+const SheetTitle = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Title
+    ref={ref}
+    className={cn("text-lg font-semibold text-foreground", className)}
+    {...props}
+  />
+))
+SheetTitle.displayName = SheetPrimitive.Title.displayName
+
+const SheetDescription = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Description
+    ref={ref}
+    className={cn("text-sm text-muted-foreground", className)}
+    {...props}
+  />
+))
+SheetDescription.displayName = SheetPrimitive.Description.displayName
+
+export {
+  Sheet,
+  SheetPortal,
+  SheetOverlay,
+  SheetTrigger,
+  SheetClose,
+  SheetContent,
+  SheetHeader,
+  SheetFooter,
+  SheetTitle,
+  SheetDescription,
+}

frontend/src/components/ui/sidebar.tsx

@@ -0,0 +1,771 @@
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva, type VariantProps } from "class-variance-authority"
+import { PanelLeft } from "lucide-react"
+
+import { useIsMobile } from "@/hooks/use-mobile"
+import { cn } from "@/lib/utils"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Separator } from "@/components/ui/separator"
+import {
+  Sheet,
+  SheetContent,
+  SheetDescription,
+  SheetHeader,
+  SheetTitle,
+} from "@/components/ui/sheet"
+import { Skeleton } from "@/components/ui/skeleton"
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from "@/components/ui/tooltip"
+
+const SIDEBAR_COOKIE_NAME = "sidebar_state"
+const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7
+const SIDEBAR_WIDTH = "16rem"
+const SIDEBAR_WIDTH_MOBILE = "18rem"
+const SIDEBAR_WIDTH_ICON = "3rem"
+const SIDEBAR_KEYBOARD_SHORTCUT = "b"
+
+type SidebarContextProps = {
+  state: "expanded" | "collapsed"
+  open: boolean
+  setOpen: (open: boolean) => void
+  openMobile: boolean
+  setOpenMobile: (open: boolean) => void
+  isMobile: boolean
+  toggleSidebar: () => void
+}
+
+const SidebarContext = React.createContext<SidebarContextProps | null>(null)
+
+function useSidebar() {
+  const context = React.useContext(SidebarContext)
+  if (!context) {
+    throw new Error("useSidebar must be used within a SidebarProvider.")
+  }
+
+  return context
+}
+
+const SidebarProvider = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    defaultOpen?: boolean
+    open?: boolean
+    onOpenChange?: (open: boolean) => void
+  }
+>(
+  (
+    {
+      defaultOpen = true,
+      open: openProp,
+      onOpenChange: setOpenProp,
+      className,
+      style,
+      children,
+      ...props
+    },
+    ref
+  ) => {
+    const isMobile = useIsMobile()
+    const [openMobile, setOpenMobile] = React.useState(false)
+
+    // This is the internal state of the sidebar.
+    // We use openProp and setOpenProp for control from outside the component.
+    const [_open, _setOpen] = React.useState(defaultOpen)
+    const open = openProp ?? _open
+    const setOpen = React.useCallback(
+      (value: boolean | ((value: boolean) => boolean)) => {
+        const openState = typeof value === "function" ? value(open) : value
+        if (setOpenProp) {
+          setOpenProp(openState)
+        } else {
+          _setOpen(openState)
+        }
+
+        // This sets the cookie to keep the sidebar state.
+        document.cookie = `${SIDEBAR_COOKIE_NAME}=${openState}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`
+      },
+      [setOpenProp, open]
+    )
+
+    // Helper to toggle the sidebar.
+    const toggleSidebar = React.useCallback(() => {
+      return isMobile
+        ? setOpenMobile((open) => !open)
+        : setOpen((open) => !open)
+    }, [isMobile, setOpen, setOpenMobile])
+
+    // Adds a keyboard shortcut to toggle the sidebar.
+    React.useEffect(() => {
+      const handleKeyDown = (event: KeyboardEvent) => {
+        if (
+          event.key === SIDEBAR_KEYBOARD_SHORTCUT &&
+          (event.metaKey || event.ctrlKey)
+        ) {
+          event.preventDefault()
+          toggleSidebar()
+        }
+      }
+
+      window.addEventListener("keydown", handleKeyDown)
+      return () => window.removeEventListener("keydown", handleKeyDown)
+    }, [toggleSidebar])
+
+    // We add a state so that we can do data-state="expanded" or "collapsed".
+    // This makes it easier to style the sidebar with Tailwind classes.
+    const state = open ? "expanded" : "collapsed"
+
+    const contextValue = React.useMemo<SidebarContextProps>(
+      () => ({
+        state,
+        open,
+        setOpen,
+        isMobile,
+        openMobile,
+        setOpenMobile,
+        toggleSidebar,
+      }),
+      [state, open, setOpen, isMobile, openMobile, setOpenMobile, toggleSidebar]
+    )
+
+    return (
+      <SidebarContext.Provider value={contextValue}>
+        <TooltipProvider delayDuration={0}>
+          <div
+            style={
+              {
+                "--sidebar-width": SIDEBAR_WIDTH,
+                "--sidebar-width-icon": SIDEBAR_WIDTH_ICON,
+                ...style,
+              } as React.CSSProperties
+            }
+            className={cn(
+              "group/sidebar-wrapper flex min-h-svh w-full has-[[data-variant=inset]]:bg-sidebar",
+              className
+            )}
+            ref={ref}
+            {...props}
+          >
+            {children}
+          </div>
+        </TooltipProvider>
+      </SidebarContext.Provider>
+    )
+  }
+)
+SidebarProvider.displayName = "SidebarProvider"
+
+const Sidebar = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    side?: "left" | "right"
+    variant?: "sidebar" | "floating" | "inset"
+    collapsible?: "offcanvas" | "icon" | "none"
+  }
+>(
+  (
+    {
+      side = "left",
+      variant = "sidebar",
+      collapsible = "offcanvas",
+      className,
+      children,
+      ...props
+    },
+    ref
+  ) => {
+    const { isMobile, state, openMobile, setOpenMobile } = useSidebar()
+
+    if (collapsible === "none") {
+      return (
+        <div
+          className={cn(
+            "flex h-full w-[--sidebar-width] flex-col bg-sidebar text-sidebar-foreground",
+            className
+          )}
+          ref={ref}
+          {...props}
+        >
+          {children}
+        </div>
+      )
+    }
+
+    if (isMobile) {
+      return (
+        <Sheet open={openMobile} onOpenChange={setOpenMobile} {...props}>
+          <SheetContent
+            data-sidebar="sidebar"
+            data-mobile="true"
+            className="w-[--sidebar-width] bg-sidebar p-0 text-sidebar-foreground [&>button]:hidden"
+            style={
+              {
+                "--sidebar-width": SIDEBAR_WIDTH_MOBILE,
+              } as React.CSSProperties
+            }
+            side={side}
+          >
+            <SheetHeader className="sr-only">
+              <SheetTitle>Sidebar</SheetTitle>
+              <SheetDescription>Displays the mobile sidebar.</SheetDescription>
+            </SheetHeader>
+            <div className="flex h-full w-full flex-col">{children}</div>
+          </SheetContent>
+        </Sheet>
+      )
+    }
+
+    return (
+      <div
+        ref={ref}
+        className="group peer hidden text-sidebar-foreground md:block"
+        data-state={state}
+        data-collapsible={state === "collapsed" ? collapsible : ""}
+        data-variant={variant}
+        data-side={side}
+      >
+        {/* This is what handles the sidebar gap on desktop */}
+        <div
+          className={cn(
+            "relative w-[--sidebar-width] bg-transparent transition-[width] duration-200 ease-linear",
+            "group-data-[collapsible=offcanvas]:w-0",
+            "group-data-[side=right]:rotate-180",
+            variant === "floating" || variant === "inset"
+              ? "group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)_+_theme(spacing.4))]"
+              : "group-data-[collapsible=icon]:w-[--sidebar-width-icon]"
+          )}
+        />
+        <div
+          className={cn(
+            "fixed inset-y-0 z-10 hidden h-svh w-[--sidebar-width] transition-[left,right,width] duration-200 ease-linear md:flex",
+            side === "left"
+              ? "left-0 group-data-[collapsible=offcanvas]:left-[calc(var(--sidebar-width)*-1)]"
+              : "right-0 group-data-[collapsible=offcanvas]:right-[calc(var(--sidebar-width)*-1)]",
+            // Adjust the padding for floating and inset variants.
+            variant === "floating" || variant === "inset"
+              ? "p-2 group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)_+_theme(spacing.4)_+2px)]"
+              : "group-data-[collapsible=icon]:w-[--sidebar-width-icon] group-data-[side=left]:border-r group-data-[side=right]:border-l",
+            className
+          )}
+          {...props}
+        >
+          <div
+            data-sidebar="sidebar"
+            className="flex h-full w-full flex-col bg-sidebar group-data-[variant=floating]:rounded-lg group-data-[variant=floating]:border group-data-[variant=floating]:border-sidebar-border group-data-[variant=floating]:shadow"
+          >
+            {children}
+          </div>
+        </div>
+      </div>
+    )
+  }
+)
+Sidebar.displayName = "Sidebar"
+
+const SidebarTrigger = React.forwardRef<
+  React.ElementRef<typeof Button>,
+  React.ComponentProps<typeof Button>
+>(({ className, onClick, ...props }, ref) => {
+  const { toggleSidebar } = useSidebar()
+
+  return (
+    <Button
+      ref={ref}
+      data-sidebar="trigger"
+      variant="ghost"
+      size="icon"
+      className={cn("h-7 w-7", className)}
+      onClick={(event) => {
+        onClick?.(event)
+        toggleSidebar()
+      }}
+      {...props}
+    >
+      <PanelLeft />
+      <span className="sr-only">Toggle Sidebar</span>
+    </Button>
+  )
+})
+SidebarTrigger.displayName = "SidebarTrigger"
+
+const SidebarRail = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button">
+>(({ className, ...props }, ref) => {
+  const { toggleSidebar } = useSidebar()
+
+  return (
+    <button
+      ref={ref}
+      data-sidebar="rail"
+      aria-label="Toggle Sidebar"
+      tabIndex={-1}
+      onClick={toggleSidebar}
+      title="Toggle Sidebar"
+      className={cn(
+        "absolute inset-y-0 z-20 hidden w-4 -translate-x-1/2 transition-all ease-linear after:absolute after:inset-y-0 after:left-1/2 after:w-[2px] hover:after:bg-sidebar-border group-data-[side=left]:-right-4 group-data-[side=right]:left-0 sm:flex",
+        "[[data-side=left]_&]:cursor-w-resize [[data-side=right]_&]:cursor-e-resize",
+        "[[data-side=left][data-state=collapsed]_&]:cursor-e-resize [[data-side=right][data-state=collapsed]_&]:cursor-w-resize",
+        "group-data-[collapsible=offcanvas]:translate-x-0 group-data-[collapsible=offcanvas]:after:left-full group-data-[collapsible=offcanvas]:hover:bg-sidebar",
+        "[[data-side=left][data-collapsible=offcanvas]_&]:-right-2",
+        "[[data-side=right][data-collapsible=offcanvas]_&]:-left-2",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarRail.displayName = "SidebarRail"
+
+const SidebarInset = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"main">
+>(({ className, ...props }, ref) => {
+  return (
+    <main
+      ref={ref}
+      className={cn(
+        "relative flex w-full flex-1 flex-col bg-background",
+        "md:peer-data-[variant=inset]:m-2 md:peer-data-[state=collapsed]:peer-data-[variant=inset]:ml-2 md:peer-data-[variant=inset]:ml-0 md:peer-data-[variant=inset]:rounded-xl md:peer-data-[variant=inset]:shadow",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarInset.displayName = "SidebarInset"
+
+const SidebarInput = React.forwardRef<
+  React.ElementRef<typeof Input>,
+  React.ComponentProps<typeof Input>
+>(({ className, ...props }, ref) => {
+  return (
+    <Input
+      ref={ref}
+      data-sidebar="input"
+      className={cn(
+        "h-8 w-full bg-background shadow-none focus-visible:ring-2 focus-visible:ring-sidebar-ring",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarInput.displayName = "SidebarInput"
+
+const SidebarHeader = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="header"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarHeader.displayName = "SidebarHeader"
+
+const SidebarFooter = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="footer"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarFooter.displayName = "SidebarFooter"
+
+const SidebarSeparator = React.forwardRef<
+  React.ElementRef<typeof Separator>,
+  React.ComponentProps<typeof Separator>
+>(({ className, ...props }, ref) => {
+  return (
+    <Separator
+      ref={ref}
+      data-sidebar="separator"
+      className={cn("mx-2 w-auto bg-sidebar-border", className)}
+      {...props}
+    />
+  )
+})
+SidebarSeparator.displayName = "SidebarSeparator"
+
+const SidebarContent = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="content"
+      className={cn(
+        "flex min-h-0 flex-1 flex-col gap-2 overflow-auto group-data-[collapsible=icon]:overflow-hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarContent.displayName = "SidebarContent"
+
+const SidebarGroup = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="group"
+      className={cn("relative flex w-full min-w-0 flex-col p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarGroup.displayName = "SidebarGroup"
+
+const SidebarGroupLabel = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & { asChild?: boolean }
+>(({ className, asChild = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "div"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="group-label"
+      className={cn(
+        "flex h-8 shrink-0 items-center rounded-md px-2 text-xs font-medium text-sidebar-foreground/70 outline-none ring-sidebar-ring transition-[margin,opacity] duration-200 ease-linear focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        "group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarGroupLabel.displayName = "SidebarGroupLabel"
+
+const SidebarGroupAction = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & { asChild?: boolean }
+>(({ className, asChild = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="group-action"
+      className={cn(
+        "absolute right-3 top-3.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-none ring-sidebar-ring transition-transform hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 after:md:hidden",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarGroupAction.displayName = "SidebarGroupAction"
+
+const SidebarGroupContent = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    data-sidebar="group-content"
+    className={cn("w-full text-sm", className)}
+    {...props}
+  />
+))
+SidebarGroupContent.displayName = "SidebarGroupContent"
+
+const SidebarMenu = React.forwardRef<
+  HTMLUListElement,
+  React.ComponentProps<"ul">
+>(({ className, ...props }, ref) => (
+  <ul
+    ref={ref}
+    data-sidebar="menu"
+    className={cn("flex w-full min-w-0 flex-col gap-1", className)}
+    {...props}
+  />
+))
+SidebarMenu.displayName = "SidebarMenu"
+
+const SidebarMenuItem = React.forwardRef<
+  HTMLLIElement,
+  React.ComponentProps<"li">
+>(({ className, ...props }, ref) => (
+  <li
+    ref={ref}
+    data-sidebar="menu-item"
+    className={cn("group/menu-item relative", className)}
+    {...props}
+  />
+))
+SidebarMenuItem.displayName = "SidebarMenuItem"
+
+const sidebarMenuButtonVariants = cva(
+  "peer/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-left text-sm outline-none ring-sidebar-ring transition-[width,height,padding] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 group-has-[[data-sidebar=menu-action]]/menu-item:pr-8 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-[active=true]:bg-sidebar-accent data-[active=true]:font-medium data-[active=true]:text-sidebar-accent-foreground data-[state=open]:hover:bg-sidebar-accent data-[state=open]:hover:text-sidebar-accent-foreground group-data-[collapsible=icon]:!size-8 group-data-[collapsible=icon]:!p-2 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "hover:bg-sidebar-accent hover:text-sidebar-accent-foreground",
+        outline:
+          "bg-background shadow-[0_0_0_1px_hsl(var(--sidebar-border))] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:shadow-[0_0_0_1px_hsl(var(--sidebar-accent))]",
+      },
+      size: {
+        default: "h-8 text-sm",
+        sm: "h-7 text-xs",
+        lg: "h-12 text-sm group-data-[collapsible=icon]:!p-0",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+const SidebarMenuButton = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & {
+    asChild?: boolean
+    isActive?: boolean
+    tooltip?: string | React.ComponentProps<typeof TooltipContent>
+  } & VariantProps<typeof sidebarMenuButtonVariants>
+>(
+  (
+    {
+      asChild = false,
+      isActive = false,
+      variant = "default",
+      size = "default",
+      tooltip,
+      className,
+      ...props
+    },
+    ref
+  ) => {
+    const Comp = asChild ? Slot : "button"
+    const { isMobile, state } = useSidebar()
+
+    const button = (
+      <Comp
+        ref={ref}
+        data-sidebar="menu-button"
+        data-size={size}
+        data-active={isActive}
+        className={cn(sidebarMenuButtonVariants({ variant, size }), className)}
+        {...props}
+      />
+    )
+
+    if (!tooltip) {
+      return button
+    }
+
+    if (typeof tooltip === "string") {
+      tooltip = {
+        children: tooltip,
+      }
+    }
+
+    return (
+      <Tooltip>
+        <TooltipTrigger asChild>{button}</TooltipTrigger>
+        <TooltipContent
+          side="right"
+          align="center"
+          hidden={state !== "collapsed" || isMobile}
+          {...tooltip}
+        />
+      </Tooltip>
+    )
+  }
+)
+SidebarMenuButton.displayName = "SidebarMenuButton"
+
+const SidebarMenuAction = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & {
+    asChild?: boolean
+    showOnHover?: boolean
+  }
+>(({ className, asChild = false, showOnHover = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-action"
+      className={cn(
+        "absolute right-1 top-1.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-none ring-sidebar-ring transition-transform hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 peer-hover/menu-button:text-sidebar-accent-foreground [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 after:md:hidden",
+        "peer-data-[size=sm]/menu-button:top-1",
+        "peer-data-[size=default]/menu-button:top-1.5",
+        "peer-data-[size=lg]/menu-button:top-2.5",
+        "group-data-[collapsible=icon]:hidden",
+        showOnHover &&
+          "group-focus-within/menu-item:opacity-100 group-hover/menu-item:opacity-100 data-[state=open]:opacity-100 peer-data-[active=true]/menu-button:text-sidebar-accent-foreground md:opacity-0",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarMenuAction.displayName = "SidebarMenuAction"
+
+const SidebarMenuBadge = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    data-sidebar="menu-badge"
+    className={cn(
+      "pointer-events-none absolute right-1 flex h-5 min-w-5 select-none items-center justify-center rounded-md px-1 text-xs font-medium tabular-nums text-sidebar-foreground",
+      "peer-hover/menu-button:text-sidebar-accent-foreground peer-data-[active=true]/menu-button:text-sidebar-accent-foreground",
+      "peer-data-[size=sm]/menu-button:top-1",
+      "peer-data-[size=default]/menu-button:top-1.5",
+      "peer-data-[size=lg]/menu-button:top-2.5",
+      "group-data-[collapsible=icon]:hidden",
+      className
+    )}
+    {...props}
+  />
+))
+SidebarMenuBadge.displayName = "SidebarMenuBadge"
+
+const SidebarMenuSkeleton = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    showIcon?: boolean
+  }
+>(({ className, showIcon = false, ...props }, ref) => {
+  // Random width between 50 to 90%.
+  const width = React.useMemo(() => {
+    return `${Math.floor(Math.random() * 40) + 50}%`
+  }, [])
+
+  return (
+    <div
+      ref={ref}
+      data-sidebar="menu-skeleton"
+      className={cn("flex h-8 items-center gap-2 rounded-md px-2", className)}
+      {...props}
+    >
+      {showIcon && (
+        <Skeleton
+          className="size-4 rounded-md"
+          data-sidebar="menu-skeleton-icon"
+        />
+      )}
+      <Skeleton
+        className="h-4 max-w-[--skeleton-width] flex-1"
+        data-sidebar="menu-skeleton-text"
+        style={
+          {
+            "--skeleton-width": width,
+          } as React.CSSProperties
+        }
+      />
+    </div>
+  )
+})
+SidebarMenuSkeleton.displayName = "SidebarMenuSkeleton"
+
+const SidebarMenuSub = React.forwardRef<
+  HTMLUListElement,
+  React.ComponentProps<"ul">
+>(({ className, ...props }, ref) => (
+  <ul
+    ref={ref}
+    data-sidebar="menu-sub"
+    className={cn(
+      "mx-3.5 flex min-w-0 translate-x-px flex-col gap-1 border-l border-sidebar-border px-2.5 py-0.5",
+      "group-data-[collapsible=icon]:hidden",
+      className
+    )}
+    {...props}
+  />
+))
+SidebarMenuSub.displayName = "SidebarMenuSub"
+
+const SidebarMenuSubItem = React.forwardRef<
+  HTMLLIElement,
+  React.ComponentProps<"li">
+>(({ ...props }, ref) => <li ref={ref} {...props} />)
+SidebarMenuSubItem.displayName = "SidebarMenuSubItem"
+
+const SidebarMenuSubButton = React.forwardRef<
+  HTMLAnchorElement,
+  React.ComponentProps<"a"> & {
+    asChild?: boolean
+    size?: "sm" | "md"
+    isActive?: boolean
+  }
+>(({ asChild = false, size = "md", isActive, className, ...props }, ref) => {
+  const Comp = asChild ? Slot : "a"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-sub-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(
+        "flex h-7 min-w-0 -translate-x-px items-center gap-2 overflow-hidden rounded-md px-2 text-sidebar-foreground outline-none ring-sidebar-ring hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0 [&>svg]:text-sidebar-accent-foreground",
+        "data-[active=true]:bg-sidebar-accent data-[active=true]:text-sidebar-accent-foreground",
+        size === "sm" && "text-xs",
+        size === "md" && "text-sm",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarMenuSubButton.displayName = "SidebarMenuSubButton"
+
+export {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarGroup,
+  SidebarGroupAction,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  SidebarHeader,
+  SidebarInput,
+  SidebarInset,
+  SidebarMenu,
+  SidebarMenuAction,
+  SidebarMenuBadge,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarMenuSkeleton,
+  SidebarMenuSub,
+  SidebarMenuSubButton,
+  SidebarMenuSubItem,
+  SidebarProvider,
+  SidebarRail,
+  SidebarSeparator,
+  SidebarTrigger,
+  useSidebar,
+}

frontend/src/components/ui/skeleton.tsx

@@ -0,0 +1,15 @@
+import { cn } from "@/lib/utils"
+
+function Skeleton({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div
+      className={cn("animate-pulse rounded-md bg-primary/10", className)}
+      {...props}
+    />
+  )
+}
+
+export { Skeleton }

frontend/src/components/ui/sonner.tsx

@@ -0,0 +1,27 @@
+"use client";
+
+import { Toaster as Sonner } from "sonner";
+
+type ToasterProps = React.ComponentProps<typeof Sonner>;
+
+const Toaster = ({ ...props }: ToasterProps) => {
+  return (
+    <Sonner
+      className="toaster group"
+      toastOptions={{
+        classNames: {
+          toast:
+            "group toast group-[.toaster]:bg-background group-[.toaster]:text-foreground group-[.toaster]:border-border group-[.toaster]:shadow-lg",
+          description: "group-[.toast]:text-muted-foreground",
+          actionButton:
+            "group-[.toast]:bg-primary group-[.toast]:text-primary-foreground",
+          cancelButton:
+            "group-[.toast]:bg-muted group-[.toast]:text-muted-foreground",
+        },
+      }}
+      {...props}
+    />
+  );
+};
+
+export { Toaster };

frontend/src/components/ui/tooltip.tsx

@@ -0,0 +1,30 @@
+import * as React from "react"
+import * as TooltipPrimitive from "@radix-ui/react-tooltip"
+
+import { cn } from "@/lib/utils"
+
+const TooltipProvider = TooltipPrimitive.Provider
+
+const Tooltip = TooltipPrimitive.Root
+
+const TooltipTrigger = TooltipPrimitive.Trigger
+
+const TooltipContent = React.forwardRef<
+  React.ElementRef<typeof TooltipPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <TooltipPrimitive.Portal>
+    <TooltipPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 overflow-hidden rounded-md bg-primary px-3 py-1.5 text-xs text-primary-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 origin-[--radix-tooltip-content-transform-origin]",
+        className
+      )}
+      {...props}
+    />
+  </TooltipPrimitive.Portal>
+))
+TooltipContent.displayName = TooltipPrimitive.Content.displayName
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }

frontend/src/contexts/ThemeContext.tsx

@@ -10,6 +10,12 @@ interface ThemeContextType {
 
 const ThemeContext = createContext<ThemeContextType | undefined>(undefined);
 
+// Theme colors for different modes
+const THEME_COLORS = {
+  light: "#0b74de", // Primary brand color
+  dark: "#0f0f23", // Dark background color that matches typical dark themes
+} as const;
+
 export function ThemeProvider({ children }: { children: React.ReactNode }) {
   const [theme, setTheme] = useState<Theme>(() => {
     const stored = localStorage.getItem("theme") as Theme;
@@ -40,6 +46,28 @@ export function ThemeProvider({ children }: { children: React.ReactNode }) {
 
       // Add resolved theme class
       root.classList.add(resolvedTheme);
+
+      // Update theme-color meta tags for PWA status bar
+      const themeColor = THEME_COLORS[resolvedTheme];
+
+      // Update theme-color meta tag
+      const themeColorMeta = document.getElementById("theme-color-meta") as HTMLMetaElement;
+      if (themeColorMeta) {
+        themeColorMeta.content = themeColor;
+      }
+
+      // Update Microsoft tile color
+      const msThemeColorMeta = document.getElementById("ms-theme-color-meta") as HTMLMetaElement;
+      if (msThemeColorMeta) {
+        msThemeColorMeta.content = themeColor;
+      }
+
+      // Update Apple status bar style for better iOS integration
+      const appleStatusBarMeta = document.getElementById("apple-status-bar-meta") as HTMLMetaElement;
+      if (appleStatusBarMeta) {
+        // Use 'black-translucent' for dark theme, 'default' for light theme
+        appleStatusBarMeta.content = resolvedTheme === "dark" ? "black-translucent" : "default";
+      }
     };
 
     updateActualTheme();

frontend/src/hooks/use-mobile.tsx

@@ -0,0 +1,19 @@
+import * as React from "react"
+
+const MOBILE_BREAKPOINT = 768
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined)
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`)
+    const onChange = () => {
+      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
+    }
+    mql.addEventListener("change", onChange)
+    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
+    return () => mql.removeEventListener("change", onChange)
+  }, [])
+
+  return !!isMobile
+}

frontend/src/hooks/usePWA.ts

@@ -0,0 +1,37 @@
+import { useEffect, useState } from "react";
+
+interface PWAUpdate {
+  updateAvailable: boolean;
+  updateSW: () => Promise<void>;
+}
+
+export function usePWA(): PWAUpdate {
+  const [updateAvailable, setUpdateAvailable] = useState(false);
+  const [updateSW, setUpdateSW] = useState<() => Promise<void>>(() => async () => {});
+
+  useEffect(() => {
+    // Check if SW registration is available
+    if ("serviceWorker" in navigator) {
+      // Import the registerSW function
+      import("virtual:pwa-register").then(({ registerSW }) => {
+        const updateSWFunction = registerSW({
+          onNeedRefresh() {
+            setUpdateAvailable(true);
+            setUpdateSW(() => updateSWFunction);
+          },
+          onOfflineReady() {
+            console.log("App ready to work offline");
+          },
+        });
+      }).catch(() => {
+        // PWA not available in development mode or when disabled
+        console.log("PWA registration not available");
+      });
+    }
+  }, []);
+
+  return {
+    updateAvailable,
+    updateSW,
+  };
+}

frontend/src/index.css

@@ -10,10 +10,10 @@
     --card-foreground: 222.2 84% 4.9%;
     --popover: 0 0% 100%;
     --popover-foreground: 222.2 84% 4.9%;
-    --primary: 222.2 47.4% 11.2%;
+    --primary: 219 91% 46%;
     --primary-foreground: 210 40% 98%;
-    --secondary: 210 40% 96.1%;
-    --secondary-foreground: 222.2 47.4% 11.2%;
+    --secondary: 189 94% 43%;
+    --secondary-foreground: 210 40% 98%;
     --muted: 210 40% 96.1%;
     --muted-foreground: 215.4 16.3% 46.9%;
     --accent: 210 40% 96.1%;
@@ -29,6 +29,20 @@
     --chart-4: 43 74% 66%;
     --chart-5: 27 87% 67%;
     --radius: 0.5rem;
+
+    /* iOS Safe Area Support for PWA */
+    --safe-area-inset-top: env(safe-area-inset-top, 0px);
+    --safe-area-inset-right: env(safe-area-inset-right, 0px);
+    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
+    --safe-area-inset-left: env(safe-area-inset-left, 0px);
+    --sidebar-background: 0 0% 98%;
+    --sidebar-foreground: 240 5.3% 26.1%;
+    --sidebar-primary: 240 5.9% 10%;
+    --sidebar-primary-foreground: 0 0% 98%;
+    --sidebar-accent: 240 4.8% 95.9%;
+    --sidebar-accent-foreground: 240 5.9% 10%;
+    --sidebar-border: 220 13% 91%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
   }
   .dark {
     --background: 222.2 84% 4.9%;
@@ -37,9 +51,9 @@
     --card-foreground: 210 40% 98%;
     --popover: 222.2 84% 4.9%;
     --popover-foreground: 210 40% 98%;
-    --primary: 210 40% 98%;
-    --primary-foreground: 222.2 47.4% 11.2%;
-    --secondary: 217.2 32.6% 17.5%;
+    --primary: 219 91% 46%;
+    --primary-foreground: 210 40% 98%;
+    --secondary: 189 94% 43%;
     --secondary-foreground: 210 40% 98%;
     --muted: 217.2 32.6% 17.5%;
     --muted-foreground: 215 20.2% 65.1%;
@@ -55,6 +69,14 @@
     --chart-3: 30 80% 55%;
     --chart-4: 280 65% 60%;
     --chart-5: 340 75% 55%;
+    --sidebar-background: 240 5.9% 10%;
+    --sidebar-foreground: 240 4.8% 95.9%;
+    --sidebar-primary: 224.3 76.3% 48%;
+    --sidebar-primary-foreground: 0 0% 100%;
+    --sidebar-accent: 240 3.7% 15.9%;
+    --sidebar-accent-foreground: 240 4.8% 95.9%;
+    --sidebar-border: 240 3.7% 15.9%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
   }
 }
 

frontend/src/lib/api.ts

@@ -10,6 +10,7 @@ import type {
   NotificationService,
   NotificationServicesResponse,
   HealthData,
+  VersionData,
   AccountUpdate,
   TransactionStats,
 } from "../types/api";
@@ -42,10 +43,9 @@ export const apiClient = {
     id: string,
     updates: AccountUpdate,
   ): Promise<{ id: string; display_name?: string }> => {
-    const response = await api.put<ApiResponse<{ id: string; display_name?: string }>>(
-      `/accounts/${id}`,
-      updates,
-    );
+    const response = await api.put<
+      ApiResponse<{ id: string; display_name?: string }>
+    >(`/accounts/${id}`, updates);
     return response.data.data;
   },
 
@@ -168,6 +168,15 @@ export const apiClient = {
     return response.data.data;
   },
 
+  // Get version information
+  getVersion: async (): Promise<VersionData> => {
+    // Use the root endpoint (/) which provides version information
+    const response = await api.get<VersionData>("/", {
+      baseURL: import.meta.env.VITE_API_URL?.replace('/api/v1', '') || '',
+    });
+    return response.data;
+  },
+
   // Analytics endpoints
   getTransactionStats: async (days?: number): Promise<TransactionStats> => {
     const queryParams = new URLSearchParams();

frontend/src/routeTree.gen.ts

@@ -10,6 +10,7 @@
 
 import { Route as rootRouteImport } from './routes/__root'
 import { Route as TransactionsRouteImport } from './routes/transactions'
+import { Route as SettingsRouteImport } from './routes/settings'
 import { Route as NotificationsRouteImport } from './routes/notifications'
 import { Route as AnalyticsRouteImport } from './routes/analytics'
 import { Route as IndexRouteImport } from './routes/index'
@@ -19,6 +20,11 @@ const TransactionsRoute = TransactionsRouteImport.update({
   path: '/transactions',
   getParentRoute: () => rootRouteImport,
 } as any)
+const SettingsRoute = SettingsRouteImport.update({
+  id: '/settings',
+  path: '/settings',
+  getParentRoute: () => rootRouteImport,
+} as any)
 const NotificationsRoute = NotificationsRouteImport.update({
   id: '/notifications',
   path: '/notifications',
@@ -39,12 +45,14 @@ export interface FileRoutesByFullPath {
   '/': typeof IndexRoute
   '/analytics': typeof AnalyticsRoute
   '/notifications': typeof NotificationsRoute
+  '/settings': typeof SettingsRoute
   '/transactions': typeof TransactionsRoute
 }
 export interface FileRoutesByTo {
   '/': typeof IndexRoute
   '/analytics': typeof AnalyticsRoute
   '/notifications': typeof NotificationsRoute
+  '/settings': typeof SettingsRoute
   '/transactions': typeof TransactionsRoute
 }
 export interface FileRoutesById {
@@ -52,20 +60,33 @@ export interface FileRoutesById {
   '/': typeof IndexRoute
   '/analytics': typeof AnalyticsRoute
   '/notifications': typeof NotificationsRoute
+  '/settings': typeof SettingsRoute
   '/transactions': typeof TransactionsRoute
 }
 export interface FileRouteTypes {
   fileRoutesByFullPath: FileRoutesByFullPath
-  fullPaths: '/' | '/analytics' | '/notifications' | '/transactions'
+  fullPaths:
+    | '/'
+    | '/analytics'
+    | '/notifications'
+    | '/settings'
+    | '/transactions'
   fileRoutesByTo: FileRoutesByTo
-  to: '/' | '/analytics' | '/notifications' | '/transactions'
-  id: '__root__' | '/' | '/analytics' | '/notifications' | '/transactions'
+  to: '/' | '/analytics' | '/notifications' | '/settings' | '/transactions'
+  id:
+    | '__root__'
+    | '/'
+    | '/analytics'
+    | '/notifications'
+    | '/settings'
+    | '/transactions'
   fileRoutesById: FileRoutesById
 }
 export interface RootRouteChildren {
   IndexRoute: typeof IndexRoute
   AnalyticsRoute: typeof AnalyticsRoute
   NotificationsRoute: typeof NotificationsRoute
+  SettingsRoute: typeof SettingsRoute
   TransactionsRoute: typeof TransactionsRoute
 }
 
@@ -78,6 +99,13 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof TransactionsRouteImport
       parentRoute: typeof rootRouteImport
     }
+    '/settings': {
+      id: '/settings'
+      path: '/settings'
+      fullPath: '/settings'
+      preLoaderRoute: typeof SettingsRouteImport
+      parentRoute: typeof rootRouteImport
+    }
     '/notifications': {
       id: '/notifications'
       path: '/notifications'
@@ -106,6 +134,7 @@ const rootRouteChildren: RootRouteChildren = {
   IndexRoute: IndexRoute,
   AnalyticsRoute: AnalyticsRoute,
   NotificationsRoute: NotificationsRoute,
+  SettingsRoute: SettingsRoute,
   TransactionsRoute: TransactionsRoute,
 }
 export const routeTree = rootRouteImport

frontend/src/routes/__root.tsx

@@ -1,30 +1,53 @@
 import { createRootRoute, Outlet } from "@tanstack/react-router";
-import { useState } from "react";
-import Sidebar from "../components/Sidebar";
-import Header from "../components/Header";
+import { AppSidebar } from "../components/AppSidebar";
+import { SiteHeader } from "../components/SiteHeader";
+import { PWAInstallPrompt, PWAUpdatePrompt } from "../components/PWAPrompts";
+import { usePWA } from "../hooks/usePWA";
+import {
+  SidebarInset,
+  SidebarProvider,
+} from "../components/ui/sidebar";
 
 function RootLayout() {
-  const [sidebarOpen, setSidebarOpen] = useState(false);
+  const { updateAvailable, updateSW } = usePWA();
+
+  const handlePWAInstall = () => {
+    console.log("PWA installed successfully");
+  };
+
+  const handlePWAUpdate = async () => {
+    try {
+      await updateSW();
+      console.log("PWA updated successfully");
+    } catch (error) {
+      console.error("Error updating PWA:", error);
+    }
+  };
 
   return (
-    <div className="flex h-screen bg-background">
-      <Sidebar sidebarOpen={sidebarOpen} setSidebarOpen={setSidebarOpen} />
-
-      {/* Mobile overlay */}
-      {sidebarOpen && (
-        <div
-          className="fixed inset-0 z-40 bg-black/50 lg:hidden"
-          onClick={() => setSidebarOpen(false)}
-        />
-      )}
-
-      <div className="flex flex-col flex-1 overflow-hidden">
-        <Header setSidebarOpen={setSidebarOpen} />
-        <main className="flex-1 overflow-y-auto p-6">
+    <SidebarProvider
+      style={
+        {
+          "--sidebar-width": "16rem",
+          "--header-height": "4rem",
+        } as React.CSSProperties
+      }
+    >
+      <AppSidebar />
+      <SidebarInset>
+        <SiteHeader />
+        <main className="flex-1 p-6 min-w-0">
           <Outlet />
         </main>
-      </div>
-    </div>
+      </SidebarInset>
+
+      {/* PWA Prompts */}
+      <PWAInstallPrompt onInstall={handlePWAInstall} />
+      <PWAUpdatePrompt
+        updateAvailable={updateAvailable}
+        onUpdate={handlePWAUpdate}
+      />
+    </SidebarProvider>
   );
 }
 

frontend/src/routes/analytics.tsx

@@ -80,20 +80,21 @@ function AnalyticsDashboard() {
           value={stats?.total_transactions || 0}
           subtitle={`Last ${stats?.period_days || 0} days`}
           icon={Activity}
+          iconColor="blue"
         />
         <StatCard
           title="Total Income"
           value={`€${(stats?.total_income || 0).toLocaleString()}`}
           subtitle="Inflows this period"
           icon={TrendingUp}
-          className="border-green-200"
+          iconColor="green"
         />
         <StatCard
           title="Total Expenses"
           value={`€${(stats?.total_expenses || 0).toLocaleString()}`}
           subtitle="Outflows this period"
           icon={TrendingDown}
-          className="border-red-200"
+          iconColor="red"
         />
       </div>
 
@@ -104,23 +105,21 @@ function AnalyticsDashboard() {
           value={`€${(stats?.net_change || 0).toLocaleString()}`}
           subtitle="Income minus expenses"
           icon={CreditCard}
-          className={
-            (stats?.net_change || 0) >= 0
-              ? "border-green-200"
-              : "border-red-200"
-          }
+          iconColor={(stats?.net_change || 0) >= 0 ? "green" : "red"}
         />
         <StatCard
           title="Average Transaction"
           value={`€${Math.abs(stats?.average_transaction || 0).toLocaleString()}`}
           subtitle="Per transaction"
           icon={Activity}
+          iconColor="purple"
         />
         <StatCard
           title="Active Accounts"
           value={stats?.accounts_included || 0}
           subtitle="With recent activity"
           icon={Users}
+          iconColor="orange"
         />
       </div>
 

frontend/src/routes/index.tsx

@@ -1,6 +1,11 @@
 import { createFileRoute } from "@tanstack/react-router";
-import AccountsOverview from "../components/AccountsOverview";
+import TransactionsTable from "../components/TransactionsTable";
 
 export const Route = createFileRoute("/")({
-  component: AccountsOverview,
+  component: TransactionsTable,
+  validateSearch: (search) => ({
+    accountId: search.accountId as string | undefined,
+    startDate: search.startDate as string | undefined,
+    endDate: search.endDate as string | undefined,
+  }),
 });

frontend/src/routes/settings.tsx

@@ -0,0 +1,6 @@
+import { createFileRoute } from "@tanstack/react-router";
+import AccountSettings from "../components/AccountSettings";
+
+export const Route = createFileRoute("/settings")({
+  component: AccountSettings,
+});

frontend/src/types/api.ts

@@ -201,6 +201,12 @@ export interface HealthData {
   error?: string;
 }
 
+// Version information from root endpoint
+export interface VersionData {
+  message: string;
+  version: string;
+}
+
 // Analytics data types
 export interface TransactionStats {
   period_days: number;

frontend/src/vite-env.d.ts

@@ -1 +1,2 @@
 /// <reference types="vite/client" />
+/// <reference types="vite-plugin-pwa/client" />

frontend/tailwind.config.js

@@ -3,55 +3,71 @@ export default {
   darkMode: ["class"],
   content: ["./index.html", "./src/**/*.{js,ts,jsx,tsx}"],
   theme: {
-    extend: {
-      borderRadius: {
-        lg: "var(--radius)",
-        md: "calc(var(--radius) - 2px)",
-        sm: "calc(var(--radius) - 4px)",
-      },
-      colors: {
-        background: "hsl(var(--background))",
-        foreground: "hsl(var(--foreground))",
-        card: {
-          DEFAULT: "hsl(var(--card))",
-          foreground: "hsl(var(--card-foreground))",
-        },
-        popover: {
-          DEFAULT: "hsl(var(--popover))",
-          foreground: "hsl(var(--popover-foreground))",
-        },
-        primary: {
-          DEFAULT: "hsl(var(--primary))",
-          foreground: "hsl(var(--primary-foreground))",
-        },
-        secondary: {
-          DEFAULT: "hsl(var(--secondary))",
-          foreground: "hsl(var(--secondary-foreground))",
-        },
-        muted: {
-          DEFAULT: "hsl(var(--muted))",
-          foreground: "hsl(var(--muted-foreground))",
-        },
-        accent: {
-          DEFAULT: "hsl(var(--accent))",
-          foreground: "hsl(var(--accent-foreground))",
-        },
-        destructive: {
-          DEFAULT: "hsl(var(--destructive))",
-          foreground: "hsl(var(--destructive-foreground))",
-        },
-        border: "hsl(var(--border))",
-        input: "hsl(var(--input))",
-        ring: "hsl(var(--ring))",
-        chart: {
-          1: "hsl(var(--chart-1))",
-          2: "hsl(var(--chart-2))",
-          3: "hsl(var(--chart-3))",
-          4: "hsl(var(--chart-4))",
-          5: "hsl(var(--chart-5))",
-        },
-      },
-    },
+  	extend: {
+  		borderRadius: {
+  			lg: 'var(--radius)',
+  			md: 'calc(var(--radius) - 2px)',
+  			sm: 'calc(var(--radius) - 4px)'
+  		},
+  		spacing: {
+  			'safe-top': 'var(--safe-area-inset-top)',
+  			'safe-bottom': 'var(--safe-area-inset-bottom)',
+  			'safe-left': 'var(--safe-area-inset-left)',
+  			'safe-right': 'var(--safe-area-inset-right)'
+  		},
+  		colors: {
+  			background: 'hsl(var(--background))',
+  			foreground: 'hsl(var(--foreground))',
+  			card: {
+  				DEFAULT: 'hsl(var(--card))',
+  				foreground: 'hsl(var(--card-foreground))'
+  			},
+  			popover: {
+  				DEFAULT: 'hsl(var(--popover))',
+  				foreground: 'hsl(var(--popover-foreground))'
+  			},
+  			primary: {
+  				DEFAULT: 'hsl(var(--primary))',
+  				foreground: 'hsl(var(--primary-foreground))'
+  			},
+  			secondary: {
+  				DEFAULT: 'hsl(var(--secondary))',
+  				foreground: 'hsl(var(--secondary-foreground))'
+  			},
+  			muted: {
+  				DEFAULT: 'hsl(var(--muted))',
+  				foreground: 'hsl(var(--muted-foreground))'
+  			},
+  			accent: {
+  				DEFAULT: 'hsl(var(--accent))',
+  				foreground: 'hsl(var(--accent-foreground))'
+  			},
+  			destructive: {
+  				DEFAULT: 'hsl(var(--destructive))',
+  				foreground: 'hsl(var(--destructive-foreground))'
+  			},
+  			border: 'hsl(var(--border))',
+  			input: 'hsl(var(--input))',
+  			ring: 'hsl(var(--ring))',
+  			chart: {
+  				'1': 'hsl(var(--chart-1))',
+  				'2': 'hsl(var(--chart-2))',
+  				'3': 'hsl(var(--chart-3))',
+  				'4': 'hsl(var(--chart-4))',
+  				'5': 'hsl(var(--chart-5))'
+  			},
+  			sidebar: {
+  				DEFAULT: 'hsl(var(--sidebar-background))',
+  				foreground: 'hsl(var(--sidebar-foreground))',
+  				primary: 'hsl(var(--sidebar-primary))',
+  				'primary-foreground': 'hsl(var(--sidebar-primary-foreground))',
+  				accent: 'hsl(var(--sidebar-accent))',
+  				'accent-foreground': 'hsl(var(--sidebar-accent-foreground))',
+  				border: 'hsl(var(--sidebar-border))',
+  				ring: 'hsl(var(--sidebar-ring))'
+  			}
+  		}
+  	}
   },
   plugins: [require("@tailwindcss/forms"), require("tailwindcss-animate")],
 };

frontend/vite.config.ts

@@ -1,10 +1,88 @@
 import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react";
 import { TanStackRouterVite } from "@tanstack/router-vite-plugin";
+import { VitePWA } from "vite-plugin-pwa";
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [TanStackRouterVite(), react()],
+  plugins: [
+    TanStackRouterVite(),
+    react(),
+    VitePWA({
+      registerType: "autoUpdate",
+      includeAssets: ["favicon.ico", "apple-touch-icon-180x180.png", "maskable-icon-512x512.png", "robots.txt"],
+      manifest: {
+        name: "Leggen",
+        short_name: "Leggen",
+        description: "Personal finance management application",
+        theme_color: "#0b74de",
+        background_color: "#ffffff",
+        display: "standalone",
+        orientation: "portrait",
+        scope: "/",
+        start_url: "/",
+        categories: ["finance", "productivity"],
+        shortcuts: [
+          {
+            name: "Transactions",
+            short_name: "Transactions",
+            description: "View and manage transactions",
+            url: "/transactions",
+            icons: [{ src: "/pwa-192x192.png", sizes: "192x192" }]
+          },
+          {
+            name: "Analytics",
+            short_name: "Analytics",
+            description: "View financial analytics",
+            url: "/analytics",
+            icons: [{ src: "/pwa-192x192.png", sizes: "192x192" }]
+          }
+        ],
+        icons: [
+          {
+            src: "pwa-64x64.png",
+            sizes: "64x64",
+            type: "image/png"
+          },
+          {
+            src: "pwa-192x192.png",
+            sizes: "192x192",
+            type: "image/png"
+          },
+          {
+            src: "pwa-512x512.png",
+            sizes: "512x512",
+            type: "image/png"
+          },
+          {
+            src: "maskable-icon-512x512.png",
+            sizes: "512x512",
+            type: "image/png",
+            purpose: "maskable"
+          }
+        ],
+      },
+      workbox: {
+        globPatterns: ["**/*.{js,css,html,ico,png,svg}"],
+        runtimeCaching: [
+          {
+            urlPattern: /^https:\/\/.*\/api\//,
+            handler: "NetworkFirst",
+            options: {
+              cacheName: "api-cache",
+              networkTimeoutSeconds: 10,
+              cacheableResponse: {
+                statuses: [0, 200],
+              },
+            },
+          },
+        ],
+      },
+      devOptions: {
+        enabled: true,
+      },
+    }),
+  ],
   resolve: {
     alias: {
       "@": "/src",

leggen/api/routes/notifications.py

@@ -37,15 +37,15 @@ async def get_notification_settings() -> APIResponse:
             if discord_config.get("webhook")
             else None,
             telegram=TelegramConfig(
-                token="***" if telegram_config.get("api-key") else "",
-                chat_id=telegram_config.get("chat-id", 0),
+                token="***" if telegram_config.get("token") else "",
+                chat_id=telegram_config.get("chat_id", 0),
                 enabled=telegram_config.get("enabled", True),
             )
-            if telegram_config.get("api-key")
+            if telegram_config.get("token")
             else None,
             filters=NotificationFilters(
-                case_insensitive=filters_config.get("case-insensitive", []),
-                case_sensitive=filters_config.get("case-sensitive"),
+                case_insensitive=filters_config.get("case_insensitive", []),
+                case_sensitive=filters_config.get("case_sensitive"),
             ),
         )
 
@@ -77,17 +77,17 @@ async def update_notification_settings(settings: NotificationSettings) -> APIRes
 
         if settings.telegram:
             notifications_config["telegram"] = {
-                "api-key": settings.telegram.token,
-                "chat-id": settings.telegram.chat_id,
+                "token": settings.telegram.token,
+                "chat_id": settings.telegram.chat_id,
                 "enabled": settings.telegram.enabled,
             }
 
         # Update filters config
         filters_config: Dict[str, Any] = {}
         if settings.filters.case_insensitive:
-            filters_config["case-insensitive"] = settings.filters.case_insensitive
+            filters_config["case_insensitive"] = settings.filters.case_insensitive
         if settings.filters.case_sensitive:
-            filters_config["case-sensitive"] = settings.filters.case_sensitive
+            filters_config["case_sensitive"] = settings.filters.case_sensitive
 
         # Save to config
         if notifications_config:
@@ -153,12 +153,12 @@ async def get_notification_services() -> APIResponse:
             "telegram": {
                 "name": "Telegram",
                 "enabled": bool(
-                    notifications_config.get("telegram", {}).get("api-key")
-                    and notifications_config.get("telegram", {}).get("chat-id")
+                    notifications_config.get("telegram", {}).get("token")
+                    and notifications_config.get("telegram", {}).get("chat_id")
                 ),
                 "configured": bool(
-                    notifications_config.get("telegram", {}).get("api-key")
-                    and notifications_config.get("telegram", {}).get("chat-id")
+                    notifications_config.get("telegram", {}).get("token")
+                    and notifications_config.get("telegram", {}).get("chat_id")
                 ),
                 "active": notifications_config.get("telegram", {}).get("enabled", True),
             },

leggen/models/config.py

@@ -22,8 +22,8 @@ class DiscordNotificationConfig(BaseModel):
 
 
 class TelegramNotificationConfig(BaseModel):
-    token: str = Field(..., alias="api-key", description="Telegram bot token")
-    chat_id: int = Field(..., alias="chat-id", description="Telegram chat ID")
+    token: str = Field(..., description="Telegram bot token")
+    chat_id: int = Field(..., description="Telegram chat ID")
     enabled: bool = Field(default=True, description="Enable Telegram notifications")
 
 
@@ -33,12 +33,8 @@ class NotificationConfig(BaseModel):
 
 
 class FilterConfig(BaseModel):
-    case_insensitive: Optional[List[str]] = Field(
-        default_factory=list, alias="case-insensitive"
-    )
-    case_sensitive: Optional[List[str]] = Field(
-        default_factory=list, alias="case-sensitive"
-    )
+    case_insensitive: Optional[List[str]] = Field(default_factory=list)
+    case_sensitive: Optional[List[str]] = Field(default_factory=list)
 
 
 class SyncScheduleConfig(BaseModel):
@@ -60,6 +56,3 @@ class Config(BaseModel):
     notifications: Optional[NotificationConfig] = None
     filters: Optional[FilterConfig] = None
     scheduler: SchedulerConfig = Field(default_factory=SchedulerConfig)
-
-    class Config:
-        validate_by_name = True

leggen/notifications/telegram.py

@@ -29,8 +29,8 @@ def escape_markdown(text: str) -> str:
 
 
 def send_expire_notification(ctx: click.Context, notification: dict):
-    token = ctx.obj["notifications"]["telegram"]["api-key"]
-    chat_id = ctx.obj["notifications"]["telegram"]["chat-id"]
+    token = ctx.obj["notifications"]["telegram"]["token"]
+    chat_id = ctx.obj["notifications"]["telegram"]["chat_id"]
     bot_url = f"https://api.telegram.org/bot{token}/sendMessage"
     info("Sending expiration notification to Telegram")
     message = "*💲 [Leggen](https://github.com/elisiariocouto/leggen)*\n"
@@ -54,8 +54,8 @@ def send_expire_notification(ctx: click.Context, notification: dict):
 
 
 def send_transaction_message(ctx: click.Context, transactions: list):
-    token = ctx.obj["notifications"]["telegram"]["api-key"]
-    chat_id = ctx.obj["notifications"]["telegram"]["chat-id"]
+    token = ctx.obj["notifications"]["telegram"]["token"]
+    chat_id = ctx.obj["notifications"]["telegram"]["chat_id"]
     bot_url = f"https://api.telegram.org/bot{token}/sendMessage"
     info(f"Got {len(transactions)} new transactions, sending message to Telegram")
     message = "*💲 [Leggen](https://github.com/elisiariocouto/leggen)*\n"

leggen/services/database_service.py

@@ -857,6 +857,14 @@ class DatabaseService:
 
             for transaction in transactions:
                 try:
+                    # Check if transaction already exists before insertion
+                    cursor.execute(
+                        """SELECT COUNT(*) FROM transactions
+                           WHERE accountId = ? AND transactionId = ?""",
+                        (transaction["accountId"], transaction["transactionId"]),
+                    )
+                    exists = cursor.fetchone()[0] > 0
+
                     cursor.execute(
                         insert_sql,
                         (
@@ -873,7 +881,11 @@ class DatabaseService:
                             json.dumps(transaction["rawTransaction"]),
                         ),
                     )
-                    new_transactions.append(transaction)
+
+                    # Only add to new_transactions if it didn't exist before
+                    if not exists:
+                        new_transactions.append(transaction)
+
                 except sqlite3.IntegrityError as e:
                     logger.warning(
                         f"Failed to insert transaction {transaction.get('transactionId')}: {e}"

leggen/services/notification_service.py

@@ -63,8 +63,8 @@ class NotificationService:
     ) -> List[Dict[str, Any]]:
         """Filter transactions based on notification criteria"""
         matching = []
-        filters_case_insensitive = self.filters_config.get("case-insensitive", [])
-        filters_case_sensitive = self.filters_config.get("case-sensitive", [])
+        filters_case_insensitive = self.filters_config.get("case_insensitive", [])
+        filters_case_sensitive = self.filters_config.get("case_sensitive", [])
 
         for transaction in transactions:
             description = transaction.get("description", "")
@@ -159,8 +159,8 @@ class NotificationService:
             ctx.obj = {
                 "notifications": {
                     "telegram": {
-                        "api-key": telegram_config.get("token"),
-                        "chat-id": telegram_config.get("chat_id"),
+                        "token": telegram_config.get("token"),
+                        "chat_id": telegram_config.get("chat_id"),
                     }
                 }
             }
@@ -219,8 +219,8 @@ class NotificationService:
             ctx.obj = {
                 "notifications": {
                     "telegram": {
-                        "api-key": telegram_config.get("token"),
-                        "chat-id": telegram_config.get("chat_id"),
+                        "token": telegram_config.get("token"),
+                        "chat_id": telegram_config.get("chat_id"),
                     }
                 }
             }
@@ -277,8 +277,8 @@ class NotificationService:
             ctx.obj = {
                 "notifications": {
                     "telegram": {
-                        "api-key": telegram_config.get("token"),
-                        "chat-id": telegram_config.get("chat_id"),
+                        "token": telegram_config.get("token"),
+                        "chat_id": telegram_config.get("chat_id"),
                     }
                 }
             }

leggen/utils/notifications.py

@@ -29,7 +29,7 @@ def send_notification(ctx: click.Context, transactions: list):
         warning("No filters are enabled, skipping notifications")
         return
 
-    filters_case_insensitive = ctx.obj.get("filters", {}).get("case-insensitive", {})
+    filters_case_insensitive = ctx.obj.get("filters", {}).get("case_insensitive", {})
 
     # Add transaction to the list of transactions to be sent as a notification
     notification_transactions = []

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "leggen"
-version = "2025.9.12"
+version = "2025.9.19"
 description = "An Open Banking CLI"
 authors = [{ name = "Elisiário Couto", email = "elisiario@couto.io" }]
 requires-python = "~=3.13.0"

tests/unit/test_config.py

@@ -216,8 +216,8 @@ class TestConfig:
         """Test filters configuration access."""
         custom_config = {
             "filters": {
-                "case-insensitive": ["salary", "utility"],
-                "case-sensitive": ["SpecificStore"],
+                "case_insensitive": ["salary", "utility"],
+                "case_sensitive": ["SpecificStore"],
             }
         }
 
@@ -225,6 +225,6 @@ class TestConfig:
         config._config = custom_config
 
         filters = config.filters_config
-        assert "salary" in filters["case-insensitive"]
-        assert "utility" in filters["case-insensitive"]
-        assert "SpecificStore" in filters["case-sensitive"]
+        assert "salary" in filters["case_insensitive"]
+        assert "utility" in filters["case_insensitive"]
+        assert "SpecificStore" in filters["case_sensitive"]

tests/unit/test_database_service.py

@@ -324,6 +324,8 @@ class TestDatabaseService:
         with patch("sqlite3.connect") as mock_connect:
             mock_conn = mock_connect.return_value
             mock_cursor = mock_conn.cursor.return_value
+            # Mock fetchone to return (0,) indicating transaction doesn't exist yet
+            mock_cursor.fetchone.return_value = (0,)
 
             result = await database_service._persist_transactions_sqlite(
                 "test-account-123", sample_transactions_db_format
@@ -338,6 +340,29 @@ class TestDatabaseService:
             mock_conn.commit.assert_called_once()
             mock_conn.close.assert_called_once()
 
+    async def test_persist_transactions_sqlite_duplicate_detection(
+        self, database_service, sample_transactions_db_format
+    ):
+        """Test that existing transactions are not returned as new."""
+        with patch("sqlite3.connect") as mock_connect:
+            mock_conn = mock_connect.return_value
+            mock_cursor = mock_conn.cursor.return_value
+            # Mock fetchone to return (1,) indicating transaction already exists
+            mock_cursor.fetchone.return_value = (1,)
+
+            result = await database_service._persist_transactions_sqlite(
+                "test-account-123", sample_transactions_db_format
+            )
+
+            # Should return empty list since all transactions already exist
+            assert len(result) == 0
+
+            # Verify database operations still happened (INSERT OR REPLACE executed)
+            mock_connect.assert_called()
+            mock_cursor.execute.assert_called()
+            mock_conn.commit.assert_called_once()
+            mock_conn.close.assert_called_once()
+
     async def test_persist_transactions_sqlite_error(self, database_service):
         """Test handling error during transaction persistence."""
         with patch("sqlite3.connect") as mock_connect:

uv.lock

@@ -220,7 +220,7 @@ wheels = [
 
 [[package]]
 name = "leggen"
-version = "2025.9.12"
+version = "2025.9.19"
 source = { editable = "." }
 dependencies = [
     { name = "apscheduler" },