💡 How to Play:
1. Click "▶ Start Rhythm" to begin
2. Use Arrow Keys (↑↓←→) or WASD to move
3. You can only move on the beat (when purple line appears in cyan area)
4. Missing the beat resets combo and flashes red
5. Yellow=Player Purple=Wall Cyan=Decoration Pink=Goal
6. Reach the goal to advance to Next Level!