- Replace static sea background with a radial gradient for a richer look.
- Redesign settlement and city graphics with drop shadows and white halos.
- Enhance road rendering with a white core for better visibility.
- Add VP badges and card count fans to opponent panels.
- Support card back sprites via `data.cardBack` for accurate card rendering.
- Mark Catan as a card game in the registry.
- Add high-resolution `catancards.png` and `catantiles.png` assets
- Replace hexagon background colors with textured tile images from spritesheet
- Redesign resource hand with card-style UI (dark background, artwork, colored borders)
- Introduce a new Bank Panel on the right side showing resource and dev card counts
- Implement resource collection animations (chit pulse, particle effects, card flight)
- Export `HEX_W` constant for use in tile sizing calculations