# Responsive Design Test Checklist

## Viewport Constraints Applied ✅
- [x] HTML and body set to 100vh height with overflow hidden
- [x] Root container set to 100vh x 100vw with flex layout
- [x] Layout component uses 100vh height with proper overflow handling
- [x] Main content area has controlled scrolling within viewport

## Responsive Breakpoints ✅
- [x] xs: 0px (mobile)
- [x] sm: 600px (tablet)
- [x] md: 900px (desktop)
- [x] lg: 1200px (large desktop)
- [x] xl: 1536px (extra large)

## Layout Components ✅
- [x] AppBar responsive with mobile menu toggle
- [x] Drawer responsive with mobile overlay behavior
- [x] Main content area adapts to available space
- [x] Navigation items scale appropriately
- [x] User profile section responsive

## Typography ✅
- [x] Fluid typography using clamp() for all text elements
- [x] Responsive font sizes across all components
- [x] Proper line heights and spacing

## Component Responsiveness ✅
- [x] Dashboard cards stack properly on mobile
- [x] Charts resize appropriately
- [x] Data grids adapt to screen size
- [x] Forms and inputs scale correctly
- [x] Buttons and icons size appropriately

## Global Styles ✅
- [x] Responsive spacing utilities
- [x] Viewport height/width utilities
- [x] No-scroll and scroll-container classes
- [x] Responsive grid and flex utilities

## Testing Instructions
1. Open the app in browser
2. Test at different screen sizes:
   - Mobile (320px - 599px)
   - Tablet (600px - 899px)
   - Desktop (900px - 1199px)
   - Large Desktop (1200px+)
3. Verify no horizontal scrolling
4. Verify content fits within viewport
5. Test navigation drawer on mobile
6. Verify all interactive elements are accessible

## Key Features Implemented
- **Viewport Lock**: App is locked to 100vh/100vw with no page scrolling
- **Responsive Navigation**: Mobile-friendly drawer with overlay
- **Fluid Typography**: Text scales smoothly across all screen sizes
- **Adaptive Layouts**: Components stack and resize appropriately
- **Touch-Friendly**: Proper sizing for mobile interactions
- **Performance**: Optimized for smooth scrolling within containers

## Browser Support
- Modern browsers with CSS Grid and Flexbox support
- Mobile browsers with viewport units support
- Responsive design works across all major browsers