# System Patterns

## Architecture Overview

Elite Quiz follows a modular architecture with three main components:

1. Mobile Application (Flutter)
2. Web Application (Next.js)
3. Admin Panel (CodeIgniter 3)

## Technical Stack

1. **Frontend**

   - Mobile: Flutter for Android & iOS
   - Web: Next.js with TailwindCSS
   - Admin: CodeIgniter 3 with PHP 8.1

2. **Backend**

   - Firebase services
   - MariaDB/MySQL database
   - RESTful API architecture
   - Firebase Authentication

3. **Infrastructure**
   - Cloud hosting
   - Version control (Git)
   - CI/CD pipelines
   - Database management

## Design Patterns

1. **Component Architecture**

   - Flutter widget-based design
   - Next.js component structure
   - CodeIgniter MVC pattern
   - Reusable components

2. **Data Flow**

   - Firebase real-time updates
   - RESTful API communication
   - Database transactions
   - State management

3. **Security Patterns**
   - Firebase authentication
   - API security
   - Database security
   - Data encryption

## Component Relationships

1. **Mobile/Web to Admin**

   - RESTful API communication
   - Firebase synchronization
   - Data validation
   - Error handling

2. **Admin to Backend**

   - Database operations
   - Service management
   - Configuration control
   - User management

3. **Cross-Platform**
   - Shared business logic
   - Consistent data models
   - Unified API interfaces
   - Platform-specific UI

## Development Patterns

1. **Version Control**

   - Git workflow
   - Branch management
   - Release process
   - Version tagging

2. **Testing Strategy**

   - Unit testing
   - Integration testing
   - UI testing
   - API testing

3. **Documentation**
   - Code documentation
   - API documentation
   - User guides
   - Setup instructions

## Platform-Specific Patterns

1. **Mobile (Flutter)**

   - Widget-based UI
   - BLOC State management
   - Platform channels
   - Native integration

2. **Web (Next.js)**

   - Server-side rendering
   - API routes
   - Static generation
   - Client-side hydration

3. **Admin (CodeIgniter)**
   - MVC architecture
   - Database abstraction
   - Form validation
   - Session management

## Documentation Architecture

- Docusaurus-based documentation system
- MDX for rich content authoring
- Component-based documentation structure
- Version-controlled content

## Content Organization

- Hierarchical documentation structure
- Clear separation of concerns
- Modular content components
- Reusable documentation patterns

## Version Management

- Semantic versioning
- Changelog tracking
- Version-specific documentation
- Release notes management

## Content Types

- User guides
- API documentation
- Technical reference
- Changelog entries
- Tutorial content

## Documentation Components

- Badges for change types
- Collapsible sections
- Code blocks
- Version headers
- Navigation structure

## Styling Patterns

- Consistent badge usage
- Standardized headers
- Uniform spacing
- Clear typography
- Responsive design

## Code Documentation

- Inline code comments
- API documentation
- Type definitions
- Usage examples
- Best practices

## Change Documentation

- Version tracking
- Feature documentation
- Bug fix records
- Improvement notes
- Breaking changes

## User Documentation

- Getting started guides
- Feature tutorials
- Configuration guides
- Troubleshooting guides
- Best practices

## Technical Documentation

- Architecture overview
- System design
- API reference
- Integration guides
- Security documentation

## Maintenance Patterns

- Regular updates
- Content review
- Link checking
- Version updates
- Performance optimization

## Quality Assurance

- Spell checking
- Code formatting
- Link validation
- Content review
- Accessibility checks

## Search and Navigation

- Full-text search
- Category navigation
- Version filtering
- Tag-based organization
- Related content

## Internationalization

- Multi-language support
- RTL compatibility
- Translation management
- Locale-specific content
- Language switching

## Performance Optimization

- Lazy loading
- Asset optimization
- Caching strategy
- Build optimization
- Load time improvement

## Security Considerations

- Content security
- Access control
- Authentication
- Authorization
- Data protection

## Monitoring and Analytics

- Usage tracking
- Performance monitoring
- Error tracking
- User behavior
- Content analytics

## Backup and Recovery

- Content backup
- Version history
- Recovery procedures
- Data integrity
- Disaster recovery

## Community Engagement

- Contribution guidelines
- Code of conduct
- Community support
- Feedback channels
- User engagement

## Future Development

- Documentation roadmap
- Feature planning
- Improvement tracking
- User feedback
- Innovation strategy
