- Implement navigation state tracking with optimistic UI updates
- Add loading spinner and error handling for WASM initialization
- Insert browser yield points during game initialization to prevent freezing
- Redesign leaderboard with tabbed navigation and mock data structure
- Add utility CSS classes for consistent page layouts
- Replace sidebar nav with centered header featuring PAC-MAN title
- Add glimmer animation effect for non-active logo state
- Implement 200ms fade transitions between pages
- Add custom scrollbar styling with OverlayScrollbars
- Switch to Russo One font for title, Outfit for body text
