- Removed unused CSS rules: eliminated redundant height utilities and duplicate responsive rules in utilities.css
- Optimized CSS selectors: confirmed efficient BEM architecture and class-based selectors throughout codebase
- Implemented hardware acceleration: added backface-visibility, perspective, transform:translateZ(0), and will-change properties to animated components (messages, buttons) for GPU acceleration
- Maintained performance: preserved only essential utilities while ensuring browser compatibility
Related to task 5.1.1 in UI_UPDATE.MD: CSS Optimization for UI rendering performance.
- Add form-group wrappers and error message elements to HTML
- Implement comprehensive client-side validation for nickname and message inputs
- Add visual feedback using existing CSS validation classes
- Include success confirmation states and proper error handling
- Enhance accessibility with focus management and screen reader support
- Verified 44px minimum touch targets already in place
- Added swipe gesture support for mobile chat toggling
- Implemented pull-to-refresh functionality for mobile
- Added double-tap gesture for fullscreen toggle on video area
- All touch interactions are mobile-only to avoid desktop conflicts
- Added comprehensive component-specific responsive behavior across all breakpoints
- Implemented container query support with @container rules for modern responsive design
- Created breakpoint overrides for buttons, cards, form controls, chat messages, and video player
- Added container-aware styling for cards, chat components, and buttons
- Introduced component-specific responsive utility classes (.btn-responsive-*, .card-responsive-*, etc.)
- Tested layout behavior across all responsive breakpoints
- Moved inline JavaScript from index.php to app.js, video-player.js, chat.js, api.js, and ui-controls.js
- Ensured all functionality remains intact while enhancing code structure
- Updated UI_UPDATE.MD to reflect completion of JavaScript separation tasks
- Implement base styles for the application layout and components.
- Define color variables for consistent theming.
- Style the video player, chat section, and user interface elements.
- Add responsive design adjustments for mobile devices.
- Include animations for buttons and notifications for enhanced user experience.
