- Create comprehensive global color system with semantic variables in src/styles/colors.css
- Replace all hardcoded colors across components with CSS custom properties
- Establish semantic color mappings for consistent theming (--text-primary, --bg-secondary, etc.)
- Add complete color scales for gray, slate, blue, red, green, yellow, purple, pink
- Include dark mode color overrides for automatic theme switching
- Update PresentationEditor.css to use global color variables throughout
- Consolidate SlideThumbnail.css styles and optimize using CSS cascades
- Move SlideThumbnail-specific styles from PresentationEditor.css to component file
- Update all UI button components (Button, ActionButton, BackButton) to use color variables
- Modernize Modal, AlertDialog, and ConfirmDialog components with global colors
- Optimize App.css, index.css, and PresentationsList.css color usage
- Reduce CSS bundle size through consolidation and elimination of duplicate styles
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>