- Add CSS custom properties for theme colors (:root and .dark)
- Create utility classes: bg-theme-*, text-theme-*, border-theme-*
- Update +layout.svelte main containers
- Update Sidenav with theme-aware navigation links
- Update TopNav header and action buttons
- Update ChatWindow main area and input section
- Update ChatInput with themed input container
- Update MessageItem with theme-aware message bubbles
- Update EmptyState with themed welcome cards
Theme colors automatically switch between light and dark mode
when clicking the theme toggle button in the top navigation.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>