Língyún Dào v1.0.0

 Mobile responsiveness fixes + PWA improvements

- Fixed #root CSS constraints (removed max-width, padding)
- Made TabBar fully responsive with mobile/desktop layouts
- Added mobile-friendly Quick Status Bar
- Made combat arena sprites responsive with proper sizing
- Made CharacterPage layout responsive (flex-col on mobile)
- Made InventoryPage layout responsive (flex-col on mobile)
- Added scrollbar-hide and safe-area utilities
- Improved PWA manifest with proper icon configuration
- Added mobile-first breakpoints throughout

Fixes: stretched images, broken layout, blank content on mobile