Implement Progress Tracking with Achievement System

Title: Add Progress Indicators, Streaks, and Achievement Badges

Problem Statement

Users have no way to track their overall progress, maintain motivation through achievements, or visualize their learning journey. Gamification elements like streaks, badges, and progress tracking significantly increase user engagement and retention.

Proposed Solution

Create a comprehensive progress tracking system with:

• Overall progress dashboard
• Daily streak counter
• Achievement badge system
• Progress bars for each category
• XP/Level system
• Milestone celebrations

Acceptance Criteria

✅ Progress Dashboard

• User profile section with avatar and username
• Overall stats (total quizzes, total score, time spent)
• XP bar with current level and next level
• Quick stats cards (quizzes today, current streak, rank)
• Recent activity timeline
• Weekly/monthly goal progress

✅ Streak System

• Daily streak counter with fire icon
• Streak calendar showing completion days
• Longest streak record
• Streak freeze power-ups (simulated)
• Warning when streak is about to break
• Celebration animation for milestone streaks (7, 30, 100 days)

✅ Achievement Badges

• Badge gallery showing earned and locked badges
• Categories: Speed, Accuracy, Consistency, Exploration
• Badge rarities (Common, Rare, Epic, Legendary)
• Unlock criteria displayed for locked badges
• Animated badge reveal when earned
• Share achievement button
• Progress bars toward next badge

✅ Achievement Types

• Perfect Score badges (category-specific)
• Speed demon (complete quiz under time limit)
• Marathon (complete X quizzes in one session)
• Polymath (complete quizzes in all categories)
• Perfectionist (100% accuracy on Y quizzes)
• Early Bird / Night Owl (quiz at specific times)
• Comeback (improve score on retake)

✅ XP and Leveling

• XP earned for completing quizzes
• Bonus XP for high scores, speed, streaks
• Level progression system (1-100)
• XP bar with smooth animations
• Level-up modal with celebration
• Rewards for reaching new levels (badges, avatars)

✅ Category Progress

• Individual progress bars for each category
• Completion percentage per category
• Questions answered vs. total available
• Mastery level indicator (Beginner/Intermediate/Expert)
• Suggest categories to complete next

✅ Goals and Challenges

• Daily goal (complete X quizzes)
• Weekly challenge (category-specific)
• Custom goal setting
• Goal completion rewards
• Progress notifications