diff --git a/README.md b/README.md
index 4306f50..061fdd9 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ TimeTracker is a **self-hosted, web-based time tracking application** designed f
 
 ## ✨ Features
 
+TimeTracker includes **120+ features** across 12 major categories. See the [Complete Features Documentation](docs/FEATURES_COMPLETE.md) for a comprehensive overview.
+
 ### ⏱️ **Smart Time Tracking**
 - **One-Click Timers** — Start tracking with a single click
 - **Persistent Timers** — Timers keep running even after browser closes
@@ -34,6 +36,9 @@ TimeTracker is a **self-hosted, web-based time tracking application** designed f
 - **Bulk Time Entry** — Create multiple entries for consecutive days with weekend skipping
 - **Time Entry Templates** — Save and reuse common time entries for faster logging
 - **Calendar View** — Visual calendar interface for viewing and managing time entries
+- **Focus Sessions** — Pomodoro-style focus session tracking
+- **Recurring Time Blocks** — Weekly recurring time block templates
+- **Time Rounding** — Configurable rounding intervals
 - **Real-time Updates** — See live timer updates across all devices via WebSocket
 
 ### 📊 **Project & Task Management**
@@ -42,24 +47,32 @@ TimeTracker is a **self-hosted, web-based time tracking application** designed f
 - **Task Board** — Visual task management with priorities and assignments
 - **Kanban Board** — Drag-and-drop task management with customizable columns
 - **Status Tracking** — Monitor progress from to-do to completion
-- **Estimates vs Actuals** — Track project budgets and burn rates
+- **Budget Tracking** — Monitor project budgets with alerts and forecasting
+- **Project Costs** — Track direct project expenses
 - **Task Comments** — Collaborate with threaded comments on tasks
 - **Markdown Support** — Rich text formatting in project and task descriptions
+- **Project Favorites** — Quick access to frequently used projects
 
 ### 🧾 **Professional Invoicing**
 - **Generate from Time** — Convert tracked hours to invoices automatically
 - **Custom Line Items** — Add manual items for expenses or services
 - **Tax Calculation** — Automatic tax calculations with configurable rates
-- **PDF Export** — Professional PDF invoice generation with branding
+- **PDF Export** — Professional PDF invoice generation with customizable layouts
 - **Status Tracking** — Track draft, sent, paid, and overdue invoices
 - **Company Branding** — Add logos and custom company information
 - **Expense Integration** — Include tracked expenses in invoices
+- **Recurring Invoices** — Automate recurring billing
+- **Multi-Currency** — Support for multiple currencies with conversion
+- **Invoice Email** — Send invoices directly to clients
 
 ### 💰 **Financial Management**
 - **Expense Tracking** — Track business expenses with receipts and categories
 - **Payment Tracking** — Monitor invoice payments and payment methods
 - **Reimbursement Management** — Handle expense approvals and reimbursements
 - **Billable Expenses** — Mark expenses as billable and add to invoices
+- **Payment Gateway Integration** — Track gateway transactions and fees
+- **Mileage Tracking** — Track business mileage with rate calculation
+- **Per Diem Tracking** — Manage per diem expenses and rates
 - **Multi-Currency** — Support for multiple currencies with conversion
 
 ### 📈 **Analytics & Reporting**
@@ -70,6 +83,10 @@ TimeTracker is a **self-hosted, web-based time tracking application** designed f
 - **Custom Date Ranges** — Flexible reporting periods
 - **Saved Filters** — Save frequently used report filters for quick access
 - **User Analytics** — Individual performance metrics and productivity insights
+- **Budget Alerts** — Automatic alerts when budget thresholds are exceeded
+- **Budget Forecasting** — Predict project completion dates based on burn rates
+- **Weekly Time Goals** — Set and track weekly hour targets
+- **Overtime Tracking** — Monitor and report overtime hours
 
 ### 🔐 **Multi-User & Security**
 - **Role-Based Access Control** — Granular permissions system with custom roles
@@ -79,13 +96,16 @@ TimeTracker is a **self-hosted, web-based time tracking application** designed f
 - **Session Management** — Secure cookies and session handling
 - **Profile Pictures** — Users can upload profile pictures
 - **API Tokens** — Generate tokens for API access and integrations
+- **Audit Logs** — Track all system activity and user actions
 
 ### ⌨️ **Productivity Features**
 - **Command Palette** — Keyboard-driven navigation with shortcuts (press `?`)
 - **Keyboard Shortcuts** — Navigate and execute actions without the mouse
 - **Quick Search** — Fast search across projects, tasks, clients, and more (Ctrl+K)
 - **Email Notifications** — Configurable email alerts for tasks, invoices, and more
+- **Toast Notifications** — In-app notifications for actions and updates
 - **Weekly Summaries** — Optional weekly time tracking summaries via email
+- **Activity Feed** — Track recent activity across the system
 
 ### 🛠️ **Technical Excellence**
 - **Docker Ready** — Deploy in minutes with Docker Compose
@@ -96,6 +116,8 @@ TimeTracker is a **self-hosted, web-based time tracking application** designed f
 - **Progressive Web App** — Install as a mobile app on phones and tablets
 - **Monitoring Stack** — Built-in Prometheus, Grafana, Loki for observability
 - **Internationalization** — Multiple language support (i18n)
+- **REST API** — Comprehensive REST API with token authentication
+- **HTTPS Support** — Automatic HTTPS setup with self-signed or trusted certificates
 
 ---
 
@@ -295,14 +317,18 @@ Comprehensive documentation is available in the [`docs/`](docs/) directory:
 - **[HTTPS Manual Setup (mkcert)](README_HTTPS.md)** — 🔒 Manual HTTPS with no certificate warnings
 
 ### Features
+- **[📋 Complete Features Overview](docs/FEATURES_COMPLETE.md)** — Comprehensive documentation of all 120+ features (⭐ Complete reference!)
 - **[Task Management](docs/TASK_MANAGEMENT_README.md)** — Break projects into manageable tasks
 - **[Invoice System](docs/INVOICE_FEATURE_README.md)** — Generate professional invoices
 - **[Client Management](docs/CLIENT_MANAGEMENT_README.md)** — Manage client relationships
 - **[Calendar Features](docs/CALENDAR_FEATURES_README.md)** — Calendar and bulk entry features
 - **[Bulk Time Entry](docs/BULK_TIME_ENTRY_README.md)** — Create multiple time entries at once
 - **[Command Palette](docs/COMMAND_PALETTE_USAGE.md)** — Keyboard shortcuts for power users
-- **[Expense Tracking](docs/EXPENSE_TRACKING.md)** — Track business expenses (if available)
-- **[Role-Based Permissions](docs/PERMISSIONS.md)** — Granular access control (if available)
+- **[Expense Tracking](docs/EXPENSE_TRACKING.md)** — Track business expenses
+- **[Payment Tracking](docs/PAYMENT_TRACKING.md)** — Track invoice payments
+- **[Budget Alerts & Forecasting](docs/BUDGET_ALERTS_AND_FORECASTING.md)** — Monitor project budgets
+- **[Weekly Time Goals](docs/WEEKLY_TIME_GOALS.md)** — Set and track weekly hour targets
+- **[Role-Based Permissions](docs/ADVANCED_PERMISSIONS.md)** — Granular access control
 
 ### Technical Documentation
 - **[Project Structure](docs/PROJECT_STRUCTURE.md)** — Codebase architecture
diff --git a/docs/FEATURES_COMPLETE.md b/docs/FEATURES_COMPLETE.md
new file mode 100644
index 0000000..d2eca2b
--- /dev/null
+++ b/docs/FEATURES_COMPLETE.md
@@ -0,0 +1,1047 @@
+# TimeTracker - Complete Features Documentation
+
+**Version:** 3.9.0  
+**Last Updated:** 2025-01-27
+
+---
+
+## Table of Contents
+
+1. [Overview](#overview)
+2. [Time Tracking Features](#time-tracking-features)
+3. [Project Management](#project-management)
+4. [Task Management](#task-management)
+5. [Client Management](#client-management)
+6. [Invoicing & Billing](#invoicing--billing)
+7. [Financial Management](#financial-management)
+8. [Reporting & Analytics](#reporting--analytics)
+9. [User Management & Security](#user-management--security)
+10. [Productivity Features](#productivity-features)
+11. [Administration](#administration)
+12. [Integration & API](#integration--api)
+13. [Technical Features](#technical-features)
+
+---
+
+## Overview
+
+TimeTracker is a comprehensive, self-hosted time tracking and project management application designed for freelancers, teams, and businesses. This document provides a complete overview of all available features.
+
+---
+
+## Time Tracking Features
+
+### Core Time Tracking
+
+#### 1. **One-Click Timers**
+- Start tracking time with a single click
+- Quick timer start from dashboard, projects, or tasks
+- Visual timer display with running time
+- Multiple timer support (configurable)
+
+#### 2. **Persistent Timers**
+- Server-side timer persistence
+- Timers continue running after browser closes
+- Automatic timer recovery on login
+- Cross-device synchronization
+
+#### 3. **Manual Time Entry**
+- Add historical time entries
+- Flexible date/time selection
+- Notes and tags support
+- Billable/non-billable flagging
+- Project and task association
+
+#### 4. **Timer Management**
+- Start, stop, pause, and resume timers
+- Edit active timers
+- Delete timers
+- Timer history and audit trail
+- Timer duplication for recurring work
+
+#### 5. **Idle Detection**
+- Automatic pause after configurable idle time
+- Configurable idle timeout (default: 30 minutes)
+- User notification on idle detection
+- Manual resume after idle pause
+
+### Advanced Time Tracking
+
+#### 6. **Bulk Time Entry**
+- Create multiple time entries at once
+- Consecutive day entry with weekend skipping
+- Batch project/task assignment
+- Bulk notes and tags application
+- Date range selection
+
+#### 7. **Time Entry Templates**
+- Save common time entries as templates
+- Quick template application
+- Template categories and organization
+- One-click timer start from templates
+- Template editing and management
+
+#### 8. **Time Entry Duplication**
+- Duplicate existing time entries
+- Quick copy with date adjustment
+- Preserve notes, tags, and project associations
+- Batch duplication support
+
+#### 9. **Time Rounding**
+- Configurable rounding intervals (1, 5, 15 minutes)
+- Per-project rounding rules
+- Automatic rounding on entry save
+- Rounding preference settings
+
+#### 10. **Calendar View**
+- Visual calendar interface for time entries
+- Month, week, and day views
+- Drag-and-drop time entry editing
+- Calendar event creation
+- Agenda view with upcoming deadlines
+
+#### 11. **Focus Sessions (Pomodoro)**
+- Pomodoro-style focus session tracking
+- Configurable session lengths
+- Break tracking (short and long breaks)
+- Cycle completion tracking
+- Interruption logging
+- Session notes and outcomes
+
+#### 12. **Recurring Time Blocks**
+- Weekly recurring time block templates
+- Weekday selection (Mon-Sun)
+- Time window definition (start/end times)
+- Automatic time entry generation
+- Active/inactive block management
+- Date range activation windows
+
+#### 13. **Real-time Updates**
+- WebSocket support for live updates
+- Cross-device timer synchronization
+- Real-time dashboard updates
+- Live collaboration features
+
+---
+
+## Project Management
+
+### Core Project Features
+
+#### 14. **Project Creation & Management**
+- Unlimited projects
+- Project name, description, and status
+- Client association
+- Project archiving and activation
+- Project deletion (soft delete)
+
+#### 15. **Project Details**
+- Project dashboard with overview
+- Time tracking summary
+- Budget tracking
+- Task list integration
+- Team member assignments
+- Project notes and documentation
+
+#### 16. **Project Status Management**
+- Active/Archived/Inactive status
+- Status change history
+- Bulk status updates
+- Status-based filtering
+
+#### 17. **Project Budgeting**
+- Budget amount setting
+- Budget consumption tracking
+- Budget alerts and notifications
+- Burn rate calculation
+- Budget vs actual reporting
+- Budget forecasting
+
+#### 18. **Project Costs**
+- Track direct project expenses
+- Cost categories and descriptions
+- Cost date tracking
+- Cost amount and currency
+- Cost reporting and analytics
+- Integration with budget tracking
+
+#### 19. **Extra Goods & Services**
+- Add non-time-based line items to projects
+- Product/service catalog
+- Quantity and pricing
+- Integration with invoicing
+- Goods management per project
+
+#### 20. **Project Favorites**
+- Mark projects as favorites
+- Quick access to favorite projects
+- Favorite project dashboard widget
+- Personal project organization
+
+#### 21. **Project Export**
+- CSV export of project data
+- Time entry export per project
+- Project report generation
+- Bulk export capabilities
+
+#### 22. **Project Dashboard**
+- Visual project overview
+- Time tracking charts
+- Budget status indicators
+- Task completion metrics
+- Team activity feed
+- Recent time entries
+
+---
+
+## Task Management
+
+### Core Task Features
+
+#### 23. **Task Creation & Management**
+- Unlimited tasks per project
+- Task name, description, and status
+- Task priority levels (Low, Medium, High, Urgent)
+- Task assignment to users
+- Task due dates and deadlines
+- Task tags and categorization
+
+#### 24. **Task Status Tracking**
+- Customizable status workflow
+- Status-based filtering
+- Bulk status updates
+- Status change history
+- Task completion tracking
+
+#### 25. **Task Priorities**
+- Priority level assignment
+- Priority-based sorting
+- Priority filtering
+- Bulk priority updates
+- Visual priority indicators
+
+#### 26. **Task Assignment**
+- Assign tasks to team members
+- Multiple assignee support
+- Assignment notifications
+- "My Tasks" view
+- Overdue tasks tracking
+
+#### 27. **Task Comments**
+- Threaded comments on tasks
+- Comment editing and deletion
+- @mention support
+- Comment notifications
+- Activity feed integration
+
+#### 28. **Kanban Board**
+- Visual drag-and-drop task management
+- Customizable columns
+- Column reordering
+- Task movement between columns
+- Column status mapping
+- Board filtering and search
+- Auto-refresh functionality
+
+#### 29. **Task Board View**
+- List view of tasks
+- Table view with sorting
+- Card view for visual management
+- Task grouping options
+- Customizable columns
+
+#### 30. **Task Filtering & Search**
+- Filter by project, status, priority, assignee
+- Date range filtering
+- Tag-based filtering
+- Full-text search
+- Saved filters
+
+#### 31. **Task Export**
+- CSV export of tasks
+- Filtered export support
+- Task detail export
+- Bulk export capabilities
+
+#### 32. **Task Activity Tracking**
+- Automatic activity logging
+- Status change tracking
+- Assignment changes
+- Comment activity
+- Activity feed per task
+
+#### 33. **Bulk Task Operations**
+- Bulk delete tasks
+- Bulk status updates
+- Bulk priority changes
+- Bulk assignment
+- Bulk project move
+- Multi-select task operations
+
+---
+
+## Client Management
+
+### Core Client Features
+
+#### 34. **Client Creation & Management**
+- Unlimited clients
+- Client name, company, and contact information
+- Client address and billing details
+- Client status (Active/Inactive)
+- Client archiving
+
+#### 35. **Client Details**
+- Client dashboard
+- Associated projects list
+- Total time tracked
+- Total revenue
+- Invoice history
+- Payment history
+
+#### 36. **Client Notes**
+- Internal notes about clients
+- Note creation and editing
+- Note history
+- Private notes (admin only)
+- Note search and filtering
+
+#### 37. **Client Billing Rates**
+- Per-client hourly rates
+- Rate override per project
+- Rate history tracking
+- Multi-currency support
+- Rate-based invoicing
+
+#### 38. **Client Prepaid Consumption**
+- Track prepaid hours/credits
+- Automatic deduction from prepaid balance
+- Prepaid balance reporting
+- Prepaid expiration tracking
+
+#### 39. **Client Export**
+- CSV export of client data
+- Client report generation
+- Associated data export
+
+---
+
+## Invoicing & Billing
+
+### Core Invoicing Features
+
+#### 40. **Invoice Creation**
+- Generate invoices from time entries
+- Manual invoice creation
+- Invoice templates
+- Custom line items
+- Multiple invoice formats
+
+#### 41. **Invoice Management**
+- Invoice list view with filtering
+- Invoice status tracking (Draft, Sent, Paid, Overdue, Cancelled)
+- Invoice editing
+- Invoice duplication
+- Invoice deletion
+- Bulk invoice operations
+
+#### 42. **Invoice Items**
+- Time entry line items
+- Expense line items
+- Custom line items
+- Item descriptions and quantities
+- Unit prices and totals
+- Tax calculation per item
+
+#### 43. **Invoice Generation from Time**
+- Select time entries for invoicing
+- Automatic time entry grouping
+- Billable hours calculation
+- Rate application
+- Time entry filtering
+
+#### 44. **Invoice Templates**
+- Customizable invoice templates
+- Template selection per invoice
+- Template editing
+- Default template setting
+- Template preview
+
+#### 45. **PDF Invoice Export**
+- Professional PDF generation
+- Customizable PDF layout
+- Company branding (logo)
+- PDF template editor
+- PDF preview
+- PDF download
+
+#### 46. **Invoice Status Management**
+- Status workflow (Draft → Sent → Paid)
+- Status change tracking
+- Overdue invoice detection
+- Bulk status updates
+- Status-based filtering
+
+#### 47. **Tax Calculation**
+- Automatic tax calculation
+- Multiple tax rates
+- Tax rules per client/project
+- Tax inclusion/exclusion
+- Tax reporting
+
+#### 48. **Multi-Currency Support**
+- Multiple currency support
+- Currency selection per invoice
+- Exchange rate tracking
+- Currency conversion
+- Multi-currency reporting
+
+#### 49. **Recurring Invoices**
+- Recurring invoice templates
+- Weekly, monthly, quarterly, yearly recurrence
+- Automatic invoice generation
+- Recurring invoice management
+- Next generation date tracking
+
+#### 50. **Invoice Email**
+- Email invoice to clients
+- Email template customization
+- Email delivery tracking
+- Email history
+- Automated email sending
+
+#### 51. **Invoice Numbering**
+- Automatic invoice numbering
+- Custom numbering format
+- Number sequence management
+- Number prefix/suffix
+
+#### 52. **Invoice Export**
+- CSV export of invoices
+- Excel export
+- PDF export
+- Bulk export
+- Filtered export
+
+---
+
+## Financial Management
+
+### Expense Tracking
+
+#### 53. **Expense Recording**
+- Track business expenses
+- Expense amount and currency
+- Expense date tracking
+- Vendor information
+- Receipt attachment
+- Expense categories
+
+#### 54. **Expense Categories**
+- Customizable expense categories
+- Category management
+- Category-based reporting
+- Category filtering
+
+#### 55. **Expense Approval Workflow**
+- Multi-stage approval process
+- Approval status tracking
+- Admin approval required
+- Approval notifications
+- Approval history
+
+#### 56. **Expense Reimbursement**
+- Track reimbursement status
+- Reimbursement amount tracking
+- Reimbursement date
+- Reimbursement method
+- Reimbursement reporting
+
+#### 57. **Billable Expenses**
+- Mark expenses as billable
+- Add billable expenses to invoices
+- Expense markup
+- Expense-to-invoice integration
+
+#### 58. **Expense Filtering & Search**
+- Filter by category, status, date range
+- Vendor search
+- Amount range filtering
+- Billable/non-billable filter
+- Receipt status filter
+
+#### 59. **Expense Export**
+- CSV export of expenses
+- Expense report generation
+- Category-based export
+
+### Payment Tracking
+
+#### 60. **Payment Recording**
+- Record payments against invoices
+- Payment amount and currency
+- Payment date tracking
+- Payment method tracking
+- Payment reference numbers
+
+#### 61. **Payment Methods**
+- Bank transfer
+- Cash
+- Check
+- Credit card
+- Debit card
+- PayPal
+- Stripe
+- Wire transfer
+- Other methods
+
+#### 62. **Payment Status**
+- Payment status tracking (Completed, Pending, Failed, Refunded)
+- Partial payment support
+- Payment history per invoice
+- Outstanding amount calculation
+
+#### 63. **Payment Gateway Integration**
+- Gateway transaction ID tracking
+- Gateway fee recording
+- Net amount calculation
+- Gateway-specific fields
+
+#### 64. **Payment Statistics**
+- Payment summary statistics
+- Payment method breakdown
+- Payment status analytics
+- Monthly payment trends
+- Payment reporting
+
+### Additional Financial Features
+
+#### 65. **Mileage Tracking**
+- Track business mileage
+- Mileage rate calculation
+- Mileage reimbursement
+- Mileage reporting
+
+#### 66. **Per Diem Tracking**
+- Per diem rate management
+- Per diem expense tracking
+- Per diem reporting
+- Rate configuration
+
+---
+
+## Reporting & Analytics
+
+### Core Reporting Features
+
+#### 67. **Time Reports**
+- Time entry reports by project, user, date range
+- Billable vs non-billable breakdown
+- Time summary reports
+- Detailed time reports
+- Custom date ranges
+
+#### 68. **Project Reports**
+- Project time summary
+- Project budget reports
+- Project cost reports
+- Project profitability analysis
+- Project completion metrics
+
+#### 69. **User Reports**
+- Individual user time reports
+- User productivity metrics
+- User activity reports
+- User performance comparison
+- User time goals tracking
+
+#### 70. **Invoice Reports**
+- Invoice summary reports
+- Payment reports
+- Outstanding invoice reports
+- Revenue reports
+- Invoice status reports
+
+#### 71. **Expense Reports**
+- Expense summary by category
+- Expense trends
+- Reimbursement reports
+- Billable expense reports
+
+#### 72. **Saved Filters**
+- Save frequently used report filters
+- Quick filter application
+- Filter sharing (admin)
+- Filter management
+
+#### 73. **Report Export**
+- CSV export of reports
+- Excel export
+- PDF report generation
+- Scheduled report emails
+
+### Analytics Dashboard
+
+#### 74. **Visual Dashboards**
+- Charts and graphs for insights
+- Time tracking visualizations
+- Revenue charts
+- Project status overview
+- User activity metrics
+
+#### 75. **Hours Analytics**
+- Hours by day, week, month
+- Hours by project
+- Hours by user
+- Hours by hour of day
+- Billable vs non-billable charts
+
+#### 76. **Revenue Analytics**
+- Revenue trends over time
+- Revenue by project
+- Revenue by client
+- Payment analytics
+- Revenue vs payments comparison
+
+#### 77. **Project Analytics**
+- Project efficiency metrics
+- Budget consumption trends
+- Burn rate analysis
+- Completion estimates
+- Resource allocation analysis
+
+#### 78. **Task Analytics**
+- Task completion rates
+- Task duration analysis
+- Task priority distribution
+- Task assignment metrics
+- Task status trends
+
+#### 79. **Overtime Tracking**
+- Overtime hour calculation
+- Overtime reporting
+- Overtime trends
+- Overtime alerts
+
+#### 80. **Weekly Trends**
+- Weekly time trends
+- Week-over-week comparison
+- Weekly goal tracking
+- Weekly summary reports
+
+#### 81. **Budget Alerts & Forecasting**
+- Budget consumption monitoring
+- Budget threshold alerts (80%, 100%)
+- Over-budget alerts
+- Burn rate calculation
+- Completion date estimation
+- Cost trend analysis
+- Resource allocation breakdown
+
+#### 82. **Weekly Time Goals**
+- Set weekly hour targets
+- Track progress against goals
+- Goal status management (Active, Completed, Failed, Cancelled)
+- Goal statistics and success rate
+- Daily breakdown of goal progress
+- Streak tracking
+
+---
+
+## User Management & Security
+
+### User Management
+
+#### 83. **User Accounts**
+- User creation and management
+- Username-based authentication
+- User profiles with avatars
+- User roles and permissions
+- User activation/deactivation
+- User deletion
+
+#### 84. **Profile Management**
+- User profile editing
+- Avatar upload
+- Profile picture management
+- Personal settings
+- Timezone preferences
+- Language preferences
+
+#### 85. **Role-Based Access Control (RBAC)**
+- Granular permission system
+- Custom roles creation
+- Role assignment to users
+- Permission categories
+- System roles (Super Admin, Admin, Manager, User, Viewer)
+- Permission checking in code and templates
+
+#### 86. **Authentication Methods**
+- Username-only authentication
+- OIDC/SSO support (Azure AD, Authelia, etc.)
+- Session management
+- Secure cookie handling
+- Session timeout configuration
+
+#### 87. **API Tokens**
+- Generate API tokens for integrations
+- Token scopes and permissions
+- Token expiration
+- Token management
+- Token security
+
+#### 88. **User Preferences**
+- Timezone settings
+- Date format preferences
+- Time format preferences
+- Currency preferences
+- Language selection
+- Notification preferences
+
+---
+
+## Productivity Features
+
+### Navigation & Search
+
+#### 89. **Command Palette**
+- Keyboard-driven navigation (press `?`)
+- Quick action execution
+- Search across all features
+- Command shortcuts
+- Context-aware commands
+
+#### 90. **Keyboard Shortcuts**
+- Global shortcuts (Ctrl+K for search, Ctrl+/ for command palette)
+- Navigation shortcuts (g d for dashboard, g p for projects)
+- Action shortcuts (c p for create project, t s for start timer)
+- Table shortcuts (Ctrl+A for select all, Delete for delete)
+- Editing shortcuts (Ctrl+S for save, Escape for close)
+- Customizable shortcuts
+
+#### 91. **Quick Search**
+- Fast search across projects, tasks, clients
+- Search suggestions
+- Recent searches
+- Search filters
+- Keyboard shortcut: Ctrl+K
+
+#### 92. **Activity Feed**
+- Recent activity tracking
+- Activity by user, project, task
+- Activity filtering
+- Activity notifications
+- Activity history
+
+### Notifications
+
+#### 93. **Email Notifications**
+- Configurable email alerts
+- Task assignment notifications
+- Invoice notifications
+- Deadline reminders
+- Weekly summaries
+
+#### 94. **Toast Notifications**
+- In-app notifications
+- Success/error messages
+- Action confirmations
+- Real-time updates
+- Notification history
+
+#### 95. **Weekly Summaries**
+- Optional weekly time tracking summaries
+- Email delivery
+- Summary customization
+- Summary scheduling
+
+---
+
+## Administration
+
+### System Administration
+
+#### 96. **Admin Dashboard**
+- System overview
+- User management
+- System settings
+- Health monitoring
+- Quick statistics
+
+#### 97. **System Settings**
+- Application configuration
+- Timer settings (idle timeout, rounding)
+- User management settings
+- Security settings
+- Email configuration
+- Telemetry settings
+
+#### 98. **User Management**
+- Create, edit, delete users
+- User role assignment
+- User activation/deactivation
+- User permission management
+- User activity monitoring
+
+#### 99. **Backup & Restore**
+- Manual backup creation
+- Scheduled backups
+- Backup download
+- Backup restoration
+- Backup management
+
+#### 100. **Logo & Branding**
+- Company logo upload
+- Logo management
+- Logo removal
+- Logo in PDF invoices
+- Logo in email templates
+
+#### 101. **PDF Layout Customization**
+- Customizable PDF invoice layout
+- PDF template editor
+- Layout preview
+- Default layout setting
+- Layout reset
+
+#### 102. **Email Configuration**
+- SMTP server configuration
+- Email template management
+- Email sending test
+- Email delivery status
+- Email template editing
+
+#### 103. **Telemetry Management**
+- Telemetry enable/disable
+- Telemetry data viewing
+- Privacy settings
+- Analytics configuration
+
+#### 104. **Audit Logs**
+- System activity logging
+- User action tracking
+- Entity change history
+- Audit log filtering
+- Audit log export
+
+#### 105. **OIDC/SSO Configuration**
+- OIDC provider setup
+- SSO configuration
+- User mapping
+- OIDC debugging
+- SSO testing
+
+---
+
+## Integration & API
+
+### REST API
+
+#### 106. **REST API v1**
+- Comprehensive REST API
+- Token-based authentication
+- JSON request/response
+- Pagination support
+- Error handling
+
+#### 107. **API Endpoints**
+- Projects API (CRUD)
+- Time Entries API (CRUD)
+- Tasks API (CRUD)
+- Clients API (CRUD)
+- Invoices API (CRUD)
+- Users API (read)
+- Reports API
+
+#### 108. **API Authentication**
+- API token generation
+- Bearer token authentication
+- API key header authentication
+- Token scopes
+- Token permissions
+
+#### 109. **API Documentation**
+- OpenAPI/Swagger specification
+- Interactive API docs
+- Endpoint documentation
+- Request/response examples
+- Authentication guide
+
+### Import/Export
+
+#### 110. **Data Import**
+- CSV import of time entries
+- Project import
+- Client import
+- Task import
+- Import validation
+- Import error handling
+
+#### 111. **Data Export**
+- CSV export of all data types
+- Excel export
+- PDF export
+- Bulk export
+- Filtered export
+- Scheduled exports
+
+---
+
+## Technical Features
+
+### Deployment & Infrastructure
+
+#### 112. **Docker Support**
+- Docker Compose configuration
+- Multiple deployment profiles
+- Production-ready setup
+- Development setup
+- Local testing setup
+
+#### 113. **Database Support**
+- PostgreSQL for production
+- SQLite for testing/development
+- Database migrations (Alembic)
+- Migration management
+- Database backup/restore
+
+#### 114. **HTTPS Support**
+- Automatic HTTPS setup
+- Self-signed certificates
+- mkcert integration
+- Manual certificate setup
+- SSL/TLS configuration
+
+#### 115. **Monitoring Stack**
+- Prometheus metrics
+- Grafana dashboards
+- Loki log aggregation
+- Promtail log shipping
+- Health check endpoints
+
+#### 116. **Internationalization (i18n)**
+- Multiple language support
+- Translation system
+- Language switching
+- Locale-based formatting
+- Timezone handling
+
+#### 117. **Progressive Web App (PWA)**
+- Install as mobile app
+- Offline support
+- App manifest
+- Service worker
+- Mobile optimization
+
+#### 118. **Responsive Design**
+- Mobile-friendly interface
+- Tablet optimization
+- Desktop experience
+- Touch-friendly controls
+- Adaptive layouts
+
+#### 119. **Real-time Features**
+- WebSocket support
+- Live timer updates
+- Real-time notifications
+- Cross-device sync
+- Collaborative features
+
+#### 120. **Performance**
+- Database query optimization
+- Caching strategies
+- Lazy loading
+- Pagination
+- Efficient data loading
+
+---
+
+## Feature Summary by Category
+
+### Time Tracking (13 features)
+Timer management, manual entry, bulk entry, templates, calendar view, focus sessions, recurring blocks, idle detection, rounding, duplication, real-time updates
+
+### Project Management (9 features)
+Project CRUD, budgeting, costs, extra goods, favorites, export, dashboard, status management
+
+### Task Management (11 features)
+Task CRUD, Kanban board, comments, priorities, assignment, filtering, export, activity tracking, bulk operations
+
+### Client Management (6 features)
+Client CRUD, notes, billing rates, prepaid consumption, export
+
+### Invoicing (13 features)
+Invoice creation, templates, PDF export, status management, tax calculation, multi-currency, recurring invoices, email, numbering, export
+
+### Financial Management (14 features)
+Expense tracking, categories, approval workflow, reimbursement, billable expenses, payment tracking, methods, gateway integration, statistics, mileage, per diem
+
+### Reporting & Analytics (16 features)
+Time reports, project reports, user reports, invoice reports, expense reports, saved filters, dashboards, hours analytics, revenue analytics, project analytics, task analytics, overtime, weekly trends, budget alerts, forecasting, weekly goals
+
+### User Management & Security (6 features)
+User accounts, profiles, RBAC, authentication, API tokens, preferences
+
+### Productivity (7 features)
+Command palette, keyboard shortcuts, quick search, activity feed, email notifications, toast notifications, weekly summaries
+
+### Administration (10 features)
+Admin dashboard, system settings, user management, backup/restore, logo/branding, PDF layout, email configuration, telemetry, audit logs, OIDC/SSO
+
+### Integration & API (6 features)
+REST API, API endpoints, authentication, documentation, import, export
+
+### Technical (9 features)
+Docker, database support, HTTPS, monitoring, i18n, PWA, responsive design, real-time, performance
+
+---
+
+## Total Feature Count
+
+**120+ Features** across 12 major categories
+
+---
+
+## Getting Started with Features
+
+### For New Users
+1. Start with **Time Tracking** - Learn to track your time
+2. Create **Projects** - Organize your work
+3. Set up **Clients** - Manage your relationships
+4. Generate **Invoices** - Bill for your time
+5. Explore **Reports** - Understand your productivity
+
+### For Teams
+1. Set up **User Management** - Add team members
+2. Configure **Permissions** - Control access
+3. Use **Task Management** - Assign and track work
+4. Monitor **Analytics** - Track team performance
+5. Set **Budget Alerts** - Manage project budgets
+
+### For Administrators
+1. Configure **System Settings** - Customize the application
+2. Set up **Email** - Enable notifications
+3. Configure **Backups** - Protect your data
+4. Set up **HTTPS** - Secure your installation
+5. Enable **Monitoring** - Track system health
+
+---
+
+## Related Documentation
+
+- [Getting Started Guide](GETTING_STARTED.md)
+- [Installation Guide](DOCKER_COMPOSE_SETUP.md)
+- [API Documentation](REST_API.md)
+- [Task Management](TASK_MANAGEMENT_README.md)
+- [Invoice System](INVOICE_FEATURE_README.md)
+- [Client Management](CLIENT_MANAGEMENT_README.md)
+- [Expense Tracking](EXPENSE_TRACKING.md)
+- [Payment Tracking](PAYMENT_TRACKING.md)
+- [Budget Alerts](BUDGET_ALERTS_AND_FORECASTING.md)
+- [Weekly Goals](WEEKLY_TIME_GOALS.md)
+- [Advanced Permissions](ADVANCED_PERMISSIONS.md)
+
+---
+
+**Note:** This document is maintained to reflect all current features. For the most up-to-date feature list, refer to the main [README.md](../README.md) and individual feature documentation files.
+
diff --git a/docs/README.md b/docs/README.md
index 036f92d..5c16261 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -37,6 +37,9 @@ Welcome to the comprehensive TimeTracker documentation. Everything you need to i
 
 ## ✨ Feature Documentation
 
+### Complete Features Reference
+- **[📋 Complete Features Overview](FEATURES_COMPLETE.md)** — Comprehensive documentation of all 120+ features across 12 categories (⭐ Start here for complete feature list!)
+
 ### Core Features
 - **[Task Management](TASK_MANAGEMENT_README.md)** — Complete task tracking system
 - **[Task Management Overview](TASK_MANAGEMENT.md)** — Task management concepts
@@ -46,11 +49,20 @@ Welcome to the comprehensive TimeTracker documentation. Everything you need to i
 - **[Enhanced Invoice System](ENHANCED_INVOICE_SYSTEM_README.md)** — Advanced invoicing features
 - **[Calendar Features](CALENDAR_FEATURES_README.md)** — Calendar view and bulk entry
 
-### Advanced Features
+### Financial Features
+- **[Expense Tracking](EXPENSE_TRACKING.md)** — Track business expenses
+- **[Payment Tracking](PAYMENT_TRACKING.md)** — Track invoice payments
+- **[Budget Alerts & Forecasting](BUDGET_ALERTS_AND_FORECASTING.md)** — Monitor project budgets
+
+### Productivity Features
 - **[Command Palette](COMMAND_PALETTE_USAGE.md)** — Keyboard shortcuts and quick actions
 - **[Bulk Time Entry](BULK_TIME_ENTRY_README.md)** — Create multiple time entries at once
-- **[Logo Upload System](LOGO_UPLOAD_SYSTEM_README.md)** — Brand your invoices
+- **[Weekly Time Goals](WEEKLY_TIME_GOALS.md)** — Set and track weekly hour targets
 - **[Toast Notification System](TOAST_NOTIFICATION_SYSTEM.md)** — User feedback and notifications
+
+### Advanced Features
+- **[Role-Based Permissions](ADVANCED_PERMISSIONS.md)** — Granular access control system
+- **[Logo Upload System](LOGO_UPLOAD_SYSTEM_README.md)** — Brand your invoices
 - **[Translation System](TRANSLATION_SYSTEM.md)** — Multi-language support
 
 ### Additional Documentation