- Replace generic sci-fi sounds with gem-themed audio (match, chain, drop, big drop)
- Add context-aware match sounds based on special gems (hyper, flame) and match size
- Improve Yatzi dice roll with bezier curve trajectories, rotation, and bounce
- Restructure dice rendering to use containers for consistent transforms
- Add new gem sound assets and SFX constants
- Add 500ms hover-intent preview for reserve cards, temporarily hiding player portraits
- Dynamically calculate control bar panel height based on player count
- Adjust reserve button positioning and increase control bar background opacity
- Reposition turn label and remove redundant win condition subtitle
- Integrate audio feedback for card interactions (ui-attach) and achievement animations (firework)