Default to light theme instead of system preference, and update
dashboard subtitle to reflect VivaTicket as the data source.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add prefers-color-scheme: dark media query for automatic dark mode
- Add data-theme attribute for manual override (persisted to localStorage)
- 3-state cycle: system → dark → light → system
- Theme toggle button in nav with contextual icon (sun/moon/half)
- Dark palette: slate-900 bg, slate-800 surfaces, adjusted text/accent/success/danger
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add aria-labels to icon-only buttons (refresh, language toggle)
- Add aria-hidden to decorative SVGs
- Add aria-label to data source select
- Replace outline:none with visible focus rings on all inputs/selects
- Add <main> landmark for screen reader navigation
- Add prefers-reduced-motion: disable all animations for vestibular safety
- Move error message inline style to CSS class
- Add aria-label to both nav landmarks
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Lazy-load Dashboard, Comparison, Slides via React.lazy + Suspense
- Main bundle reduced from 606KB to 256KB
- Replace full-screen spinner with skeleton cards during load
- Skeleton used for both initial data fetch and route transitions
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Convert all .js files to .tsx/.ts
- Add types for data structures (MuseumRecord, Metrics, etc.)
- Add type declarations for react-chartjs-2
- Configure tsconfig with relaxed strictness for gradual adoption
- All components now use TypeScript
