feat: Major visual improvements - premium design system
🎨 **Enhanced Glassmorphism**
- Added radial gradients to glass-hud
- Improved shadows with multiple layers
- Better light mode glass effects
- Inset highlights for depth
✨ **Premium Visual Effects**
- Neon glow effects (cyan, magenta)
- Premium gradients for all themes
- Enhanced borders with glow
- Depth shadows (3 levels)
- Frosted glass variants (strong, subtle)
🎯 **Interactive Components**
- Premium button with shine effect
- Enhanced card hover states
- Smooth transitions everywhere
- Text glow and shadow effects
💎 **New Utility Classes**
- .neon-glow-cyan, .neon-glow-magenta
- .gradient-cyber, ocean, forest, sunset
- .border-glow, .shadow-premium
- .depth-1, depth-2, depth-3
- .glass-strong, .glass-subtle
- .btn-premium, .card-premium
- .interactive, .text-glow
The app now has a truly premium, polished visual design!
23adaa3f30