- Add loading states to `ProfilePage` and `Navbar` to prevent flickering during authentication checks
- Implement animation pause/resume functionality in `SkinDetailModal` and `SkinViewer`
- Simplify `PageTransition` component by removing unnecessary complexity and state
- Refactor `SkinDetailModal` to use a more robust state management for animations
- Adjust `CharacterCard` skin dimensions for better layout consistency
- Clean up unused imports and redundant animation variants in several components
