Implement dark mode #1025
Description
Description
Add dark mode support to improve user experience and reduce eye strain in low-light environments.
Requirements
- Add dark mode toggle in site header
- Implement CSS variables for theme colors
- Persist user preference in localStorage
- Respect system preference (prefers-color-scheme)
- Ensure all components support dark theme
Acceptance Criteria
- Dark mode toggle is visible and functional
- All text remains readable in dark mode
- Images and media display correctly
- User preference persists across sessions
- Smooth transition between themes