Red Even Rye Dingo

Local database for flashcard collections and study history
- Deck creation with customizable color themes and symbolic icons
- Flashcard editor to input front and back text
- Spaced repetition algorithm based on review performance
- Real-time calculation of cards due for review
- Interactive study mode with tap-to-reveal answer mechanics
- Dual-grading system (Again/Easy) to determine next review intervals
- Visual progress tracking for deck mastery and completion percentage
- Level-based card categorization for learning stage