v0.12.3 - UI Improvements & Visual Enhancements

Release v0.12.3 - UI Improvements & Visual Enhancements

- Add bento grid layout for home page feature cards
- Implement section containers with gradient backgrounds
- Add glassmorphism effect to modals across all pages
- Enhance controls toolbar with focus glow effects
- Add card hierarchy with improved hover animations
- Implement accent-colored stat cards for profit calculator
- Add CSS custom properties for consistent spacing scale
- Enhance calendar season tabs with colored gradients
- Improve task/note items with translate hover effects
- Update crafting, shops, items pages with unified styling

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>