Vibrant, playful design system with thick 3px borders, bold/black
font weights, bouncy spring animations, and saturated colors.
Desktop-friendly with responsive container (480-560px max-width).

- New color palette: brighter gold, vibrant coral/cyan/purple
- Thick bordered cards, push-effect buttons, animated glow rings
- app-container system: centered content, generous gutters
- All 14 pages rewritten with the new design language
- No edge-to-edge elements anywhere
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>