Document the new card-based UI layout and design decisions:
- System font for better readability (not sketchy font)
- Card-based layout with collapsible scenarios
- Background (Contexte) always expanded
- Color-coded step keywords
- Compact responsive design
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add ThemeProvider context with system/light/dark modes
- Add ThemeToggle button to all pages (Gallery, DemoMode, UserStoriesPage, SpecsPage)
- Add --tool-* CSS variables for outer app theming
- Keep inner Festipod mockup screens always in light mode
- Add subtle glow around phone frame in dark mode for visibility
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>