Add a unified welcome modal for guest mode that displays:
- App icon, name, and description from shared-branding
- Feature list of what guests can do (localized DE/EN)
- Warning about local-only data storage
- Login, Register, Help, and "Continue as Guest" buttons
New files:
- GuestWelcomeModal.svelte - The modal component
- guestWelcome.ts - localStorage utilities for tracking seen state
Integrated into: contacts, chat, todo, calendar, and clock apps
- Migrate icons from custom implementation to @manacore/shared-icons (phosphor-svelte)
- Add CSS media queries for dark/light mode (no more flash on reload)
- Add subtle entrance animations (logo fadeInScale, form fadeInUp, slider fadeIn)
- Redesign custom checkbox with CSS-only styling
- Remove isDark prop dependency, use prefers-color-scheme instead
- Update auth layout to allow full-page rendering
Also updates AppSlider component:
- Add staggered entrance animations for app cards
- Redesign modal with glassmorphism style
- Add theme-aware styling via CSS media queries
- Improve status badge design in modal
- Add close button in top-right corner
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
