Gem Vast Lush Urchin

Organize study material into distinct collections and modules
- Customize each collection with selectable icons and color themes
- Create dual-sided flashcards with dedicated prompt and response fields
- Spaced repetition system with five progressive difficulty levels
- Automated scheduling for review sessions based on recall performance
- Track progress with completion bars and mastery metrics per collection
- Interactive study mode featuring elastic flip animations for cards
- Local data persistence for managing card decks without connectivity