- Theme store with localStorage persistence and system preference detection
- Inline script in app.html to prevent flash of wrong theme
- Sun/moon toggle button in top bar and auth pages
- Tailwind v4 dark mode via @custom-variant with class strategy
- Dark mode classes applied to all 20+ pages: sidebar, auth forms,
dashboard, companies, projects, expenses, budget, categories,
reports, import, settings, admin pages, and all modals
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
grabowski
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