12-in-1 - Notes, Pomodoro, Currency, Clock, Matrix, Drawing, Calculator, Light, Space, Sound, Aquarium, Settings (EN/TR)
Major fixes and improvements:
Bilingual support - Default English, switchable to Turkish in Settings
Matrix effect fixed - Canvas properly initializes characters and animation loop
Drawing board fixed - Proper mouse event handling with color/size controls
Aquarium fixed - Fish spawn with swim animation, bubbles added, sand bottom, proper container
Space theme fixed - Stars animate with proper canvas sizing
All button handlers fixed - Direct event listeners instead of inline onclick strings
Window management improved - Minimize button, proper close, drag constraints
No duplicate elements - Checks for existing elements before creating
Proper canvas resizing - Handles window resize
