Flashcard App

A desktop application for flashcards with features such as quizzes, statistics, and leaderboards.

Features

Login: Authenticate users and manage profiles.
Add/Edit/Delete Flashcards: Manage flashcards with categories and review dates.
View Flashcards: Browse all flashcards.
Quiz: Test knowledge with a quiz feature.
Statistics: View quiz performance and export stats.
Leaderboards: View and manage leaderboard.
Import/Export: Save and load flashcards in JSON format.
Theme Customization: Adjust the app's appearance.