- completely redesign UI with responsive layout and modern styling

- implement smooth physics-based character movement with acceleration and friction
- add visual enhancements including character trail effects and screen flash
- integrate difficulty progression system with score multipliers
- add game states (start, pause, game over) with countdown screens
- implement touch controls for mobile devices
- add performance optimization with delta-time based animation
- create loading indicators and notifications system
- improve collision detection and obstacle generation

Author: TobiasMue91