Added Next Achievement section to Statistics panel with progress bar.
Tracks all 30 achievements across click, stardust, building, production,
prestige, click power, and time categories. Shows closest unachieved
milestone with percentage progress updating every tick.
- Complete game architecture with modular JS structure
- 12 buildings across 4 tiers with scaling costs
- 15+ upgrades with requirements and bonuses
- 20 achievements to unlock
- Auto-save system with offline progress (50% efficiency)
- Export/Import save functionality
- Responsive dark-themed UI with cosmic aesthetic
- Floating text animations and notification system