\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 – Complete Learning Tool<\/title>\n <style>\n * {\n margin: 0;\n padding: 0;\n box-sizing: border-box;\n }\n \n body {\n font-family: 'Noto Sans Malayalam', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);\n min-height: 100vh;\n padding: 10px;\n }\n \n .learning-app {\n max-width: 100%;\n width: 100%;\n margin: 0 auto;\n background: rgba(255, 255, 255, 0.95);\n border-radius: 20px;\n backdrop-filter: blur(10px);\n box-shadow: 0 20px 40px rgba(0,0,0,0.1);\n overflow: hidden;\n }\n \n \/* Header Section *\/\n .app-header {\n background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);\n color: white;\n padding: 20px;\n text-align: center;\n position: relative;\n }\n \n .app-title {\n font-size: clamp(20px, 5vw, 28px);\n font-weight: bold;\n margin-bottom: 8px;\n }\n \n .app-subtitle {\n font-size: clamp(12px, 3vw, 16px);\n opacity: 0.9;\n }\n \n \/* Navigation *\/\n .nav-tabs {\n display: flex;\n background: rgba(255,255,255,0.1);\n border-radius: 25px;\n margin: 15px 20px 0;\n padding: 5px;\n overflow-x: auto;\n }\n \n .nav-tab {\n flex: 1;\n padding: 10px 15px;\n background: transparent;\n border: none;\n color: white;\n border-radius: 20px;\n cursor: pointer;\n transition: all 0.3s ease;\n font-size: clamp(12px, 2.5vw, 14px);\n white-space: nowrap;\n min-width: 80px;\n }\n \n .nav-tab.active {\n background: white;\n color: #667eea;\n box-shadow: 0 4px 15px rgba(0,0,0,0.1);\n }\n \n \/* Stats Bar *\/\n .stats-bar {\n display: grid;\n grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));\n gap: 10px;\n padding: 15px 20px;\n background: rgba(255,255,255,0.1);\n color: white;\n }\n \n .stat-item {\n text-align: center;\n padding: 8px;\n border-radius: 10px;\n background: rgba(255,255,255,0.1);\n }\n \n .stat-number {\n display: block;\n font-size: clamp(16px, 4vw, 24px);\n font-weight: bold;\n margin-bottom: 2px;\n }\n \n .stat-label {\n font-size: clamp(10px, 2.5vw, 12px);\n opacity: 0.9;\n }\n \n \/* Content Area *\/\n .content-area {\n padding: 20px;\n min-height: 60vh;\n }\n \n \/* Flashcard Mode *\/\n .flashcard-container {\n perspective: 1000px;\n margin-bottom: 20px;\n }\n \n .flashcard {\n width: 100%;\n height: clamp(200px, 40vh, 300px);\n position: relative;\n transform-style: preserve-3d;\n transition: transform 0.6s;\n cursor: pointer;\n }\n \n .flashcard.flipped {\n transform: rotateY(180deg);\n }\n \n .card-face {\n position: absolute;\n width: 100%;\n height: 100%;\n backface-visibility: hidden;\n border-radius: 15px;\n display: flex;\n align-items: center;\n justify-content: center;\n text-align: center;\n padding: 20px;\n box-shadow: 0 10px 30px rgba(0,0,0,0.1);\n }\n \n .card-front {\n background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);\n color: white;\n }\n \n .card-back {\n background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);\n color: white;\n transform: rotateY(180deg);\n }\n \n .card-text {\n font-size: clamp(16px, 4vw, 20px);\n line-height: 1.4;\n font-weight: 500;\n }\n \n \/* Quiz Mode *\/\n .quiz-container {\n max-width: 100%;\n }\n \n .question-card {\n background: white;\n border-radius: 15px;\n padding: 20px;\n margin-bottom: 20px;\n box-shadow: 0 8px 25px rgba(0,0,0,0.1);\n }\n \n .question-number {\n background: #667eea;\n color: white;\n padding: 5px 15px;\n border-radius: 20px;\n font-size: clamp(12px, 3vw, 14px);\n display: inline-block;\n margin-bottom: 15px;\n }\n \n .question-text {\n font-size: clamp(16px, 4vw, 18px);\n font-weight: 600;\n margin-bottom: 20px;\n line-height: 1.5;\n color: #2c3e50;\n }\n \n .options-container {\n display: grid;\n gap: 12px;\n }\n \n .option {\n background: #f8f9fa;\n border: 2px solid #e9ecef;\n border-radius: 12px;\n padding: 15px;\n cursor: pointer;\n transition: all 0.3s ease;\n display: flex;\n align-items: center;\n font-size: clamp(14px, 3.5vw, 16px);\n }\n \n .option:hover {\n background: #e3f2fd;\n border-color: #2196f3;\n transform: translateX(5px);\n }\n \n .option.selected {\n background: #bbdefb;\n border-color: #1976d2;\n }\n \n .option.correct {\n background: #c8e6c9;\n border-color: #4caf50;\n color: #2e7d32;\n }\n \n .option.wrong {\n background: #ffcdd2;\n border-color: #f44336;\n color: #c62828;\n }\n \n .option-letter {\n width: 30px;\n height: 30px;\n background: #2196f3;\n color: white;\n border-radius: 50%;\n display: flex;\n align-items: center;\n justify-content: center;\n margin-right: 12px;\n font-weight: bold;\n font-size: 14px;\n flex-shrink: 0;\n }\n \n \/* Timer *\/\n .timer-display {\n background: rgba(255,87,108,0.1);\n color: #f5576c;\n padding: 10px 20px;\n border-radius: 25px;\n font-size: clamp(16px, 4vw, 20px);\n font-weight: bold;\n text-align: center;\n margin-bottom: 20px;\n }\n \n .timer-warning {\n animation: pulse 1s infinite;\n background: rgba(255,87,108,0.2);\n }\n \n \/* Progress Bar *\/\n .progress-container {\n background: #e9ecef;\n height: 8px;\n border-radius: 4px;\n margin: 15px 0;\n overflow: hidden;\n }\n \n .progress-bar {\n background: linear-gradient(90deg, #4caf50, #8bc34a);\n height: 100%;\n border-radius: 4px;\n transition: width 0.5s ease;\n width: 0%;\n }\n \n \/* Buttons *\/\n .controls {\n display: flex;\n flex-wrap: wrap;\n gap: 10px;\n justify-content: center;\n margin-top: 20px;\n }\n \n .btn {\n background: #4caf50;\n color: white;\n border: none;\n padding: 12px 24px;\n border-radius: 25px;\n cursor: pointer;\n font-size: clamp(14px, 3.5vw, 16px);\n font-weight: 500;\n transition: all 0.3s ease;\n box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);\n min-width: 120px;\n }\n \n .btn:hover {\n background: #45a049;\n transform: translateY(-2px);\n box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);\n }\n \n .btn:disabled {\n background: #bdbdbd;\n cursor: not-allowed;\n transform: none;\n box-shadow: none;\n }\n \n .btn-secondary {\n background: #2196f3;\n box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);\n }\n \n .btn-secondary:hover {\n background: #1976d2;\n box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);\n }\n \n .btn-warning {\n background: #ff9800;\n box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);\n }\n \n .btn-warning:hover {\n background: #f57c00;\n box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);\n }\n \n \/* Feedback *\/\n .feedback {\n padding: 15px;\n border-radius: 12px;\n margin: 15px 0;\n text-align: center;\n font-weight: 500;\n font-size: clamp(14px, 3.5vw, 16px);\n }\n \n .feedback.success {\n background: #c8e6c9;\n color: #2e7d32;\n border: 2px solid #4caf50;\n }\n \n .feedback.error {\n background: #ffcdd2;\n color: #c62828;\n border: 2px solid #f44336;\n }\n \n \/* Results *\/\n .results-container {\n text-align: center;\n padding: 20px;\n background: white;\n border-radius: 15px;\n box-shadow: 0 8px 25px rgba(0,0,0,0.1);\n }\n \n .results-title {\n font-size: clamp(20px, 5vw, 24px);\n color: #2c3e50;\n margin-bottom: 20px;\n }\n \n .achievement {\n background: linear-gradient(135deg, #ffd700, #ffed4e);\n color: #333;\n padding: 8px 16px;\n border-radius: 20px;\n display: inline-block;\n margin: 5px;\n font-weight: bold;\n font-size: clamp(12px, 3vw, 14px);\n box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);\n }\n \n \/* Hidden state *\/\n .hidden {\n display: none;\n }\n \n \/* Difficulty Rating *\/\n .difficulty-rating {\n display: flex;\n justify-content: center;\n gap: 10px;\n margin: 15px 0;\n flex-wrap: wrap;\n }\n \n .difficulty-btn {\n padding: 8px 16px;\n border: none;\n border-radius: 20px;\n cursor: pointer;\n font-size: clamp(12px, 3vw, 14px);\n font-weight: 500;\n transition: all 0.3s ease;\n min-width: 80px;\n }\n \n .difficulty-easy {\n background: #4caf50;\n color: white;\n }\n \n .difficulty-medium {\n background: #ff9800;\n color: white;\n }\n \n .difficulty-hard {\n background: #f44336;\n color: white;\n }\n \n \/* Animations *\/\n @keyframes pulse {\n 0% { transform: scale(1); opacity: 1; }\n 50% { transform: scale(1.05); opacity: 0.8; }\n 100% { transform: scale(1); opacity: 1; }\n }\n \n @keyframes slideIn {\n from { opacity: 0; transform: translateY(20px); }\n to { opacity: 1; transform: translateY(0); }\n }\n \n .slide-in {\n animation: slideIn 0.5s ease-out;\n }\n \n \/* Mobile Specific Improvements *\/\n @media (max-width: 768px) {\n body {\n padding: 5px;\n }\n \n .app-header {\n padding: 15px;\n }\n \n .content-area {\n padding: 15px;\n }\n \n .nav-tabs {\n margin: 10px 15px 0;\n }\n \n .stats-bar {\n padding: 10px 15px;\n grid-template-columns: repeat(4, 1fr);\n }\n \n .flashcard {\n height: clamp(180px, 35vh, 250px);\n }\n \n .card-face {\n padding: 15px;\n }\n \n .controls {\n flex-direction: column;\n align-items: stretch;\n }\n \n .btn {\n width: 100%;\n margin-bottom: 10px;\n }\n \n .options-container .option {\n padding: 12px;\n }\n \n .option-letter {\n width: 25px;\n height: 25px;\n font-size: 12px;\n margin-right: 10px;\n }\n }\n \n \/* Touch interactions *\/\n @media (hover: none) and (pointer: coarse) {\n .option:hover,\n .btn:hover,\n .nav-tab:hover {\n transform: none;\n }\n \n .option:active,\n .btn:active {\n transform: scale(0.98);\n }\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"learning-app\">\n \n <div class=\"app-header\">\n <h1 class=\"app-title\">\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 \u0d2a\u0d20\u0d28 \u0d09\u0d2a\u0d15\u0d30\u0d23\u0d02<\/h1>\n <p class=\"app-subtitle\">\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d38\u0d4d\u0d35\u0d3e\u0d24\u0d28\u0d4d\u0d24\u0d4d\u0d30\u0d4d\u0d2f\u0d38\u0d2e\u0d30 \u0d15\u0d3e\u0d32\u0d24\u0d4d\u0d24\u0d46 \u0d2a\u0d4d\u0d30\u0d38\u0d3f\u0d26\u0d4d\u0d27\u0d40\u0d15\u0d30\u0d23\u0d19\u0d4d\u0d19\u0d7e<\/p>\n \n \n <div class=\"nav-tabs\">\n <button class=\"nav-tab active\" onclick=\"switchMode('flashcard')\">\ud83d\udcda \u0d2b\u0d4d\u0d32\u0d3e\u0d37\u0d4d\u0d15\u0d3e\u0d7c\u0d21\u0d4d<\/button>\n <button class=\"nav-tab\" onclick=\"switchMode('quiz')\">\ud83c\udfaf \u0d15\u0d4d\u0d35\u0d3f\u0d38\u0d4d<\/button>\n <button class=\"nav-tab\" onclick=\"switchMode('challenge')\">\u26a1 \u0d1a\u0d3e\u0d32\u0d1e\u0d4d\u0d1a\u0d4d<\/button>\n <button class=\"nav-tab\" onclick=\"switchMode('study')\">\ud83d\udcd6 \u0d2a\u0d20\u0d28\u0d02<\/button>\n <\/div>\n \n \n <div class=\"stats-bar\">\n <div class=\"stat-item\">\n <span class=\"stat-number\" id=\"totalScore\">0<\/span>\n <span class=\"stat-label\">\u0d38\u0d4d\u0d15\u0d4b\u0d7c<\/span>\n <\/div>\n <div class=\"stat-item\">\n <span class=\"stat-number\" id=\"currentLevel\">1<\/span>\n <span class=\"stat-label\">\u0d32\u0d46\u0d35\u0d7d<\/span>\n <\/div>\n <div class=\"stat-item\">\n <span class=\"stat-number\" id=\"streakCount\">0<\/span>\n <span class=\"stat-label\">\u0d38\u0d4d\u0d1f\u0d4d\u0d30\u0d40\u0d15\u0d4d<\/span>\n <\/div>\n <div class=\"stat-item\">\n <span class=\"stat-number\" id=\"accuracyRate\">0%<\/span>\n <span class=\"stat-label\">\u0d15\u0d43\u0d24\u0d4d\u0d2f\u0d24<\/span>\n <\/div>\n <\/div>\n <\/div>\n \n \n <div class=\"content-area\">\n \n <div class=\"progress-container\">\n <div class=\"progress-bar\" id=\"progressBar\"><\/div>\n <\/div>\n \n \n <div class=\"timer-display hidden\" id=\"timerDisplay\">\n \u23f1\ufe0f <span id=\"timeRemaining\">05:00<\/span>\n <\/div>\n \n \n <div id=\"flashcardMode\" class=\"mode-content\">\n <div class=\"flashcard-container\">\n <div class=\"flashcard\" id=\"flashcard\" onclick=\"flipCard()\">\n <div class=\"card-face card-front\">\n <div class=\"card-text\" id=\"cardFront\">\n \u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d3e\u0d7b “\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15” \u0d15\u0d4d\u0d32\u0d3f\u0d15\u0d4d\u0d15\u0d4d \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15\n <\/div>\n <\/div>\n <div class=\"card-face card-back\">\n <div class=\"card-text\" id=\"cardBack\">\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n \n <div class=\"difficulty-rating hidden\" id=\"difficultyRating\">\n <p style=\"width: 100%; text-align: center; margin-bottom: 10px; color: #666;\">\u0d08 \u0d15\u0d3e\u0d7c\u0d21\u0d4d \u0d0e\u0d24\u0d4d\u0d30 \u0d2c\u0d41\u0d26\u0d4d\u0d27\u0d3f\u0d2e\u0d41\u0d1f\u0d4d\u0d1f\u0d3e\u0d2f\u0d3f\u0d30\u0d41\u0d28\u0d4d\u0d28\u0d41?<\/p>\n <button class=\"difficulty-btn difficulty-easy\" onclick=\"rateDifficulty('easy')\">\ud83d\ude0a \u0d0e\u0d33\u0d41\u0d2a\u0d4d\u0d2a\u0d02<\/button>\n <button class=\"difficulty-btn difficulty-medium\" onclick=\"rateDifficulty('medium')\">\ud83e\udd14 \u0d07\u0d1f\u0d24\u0d4d\u0d24\u0d30\u0d02<\/button>\n <button class=\"difficulty-btn difficulty-hard\" onclick=\"rateDifficulty('hard')\">\ud83d\ude30 \u0d2c\u0d41\u0d26\u0d4d\u0d27\u0d3f\u0d2e\u0d41\u0d1f\u0d4d\u0d1f\u0d4d<\/button>\n <\/div>\n <\/div>\n \n \n <div id=\"quizMode\" class=\"mode-content hidden\">\n <div class=\"question-card\">\n <div class=\"question-number\" id=\"questionNumber\">\u0d1a\u0d4b\u0d26\u0d4d\u0d2f\u0d02 1<\/div>\n <div class=\"question-text\" id=\"questionText\">\n \u0d15\u0d4d\u0d35\u0d3f\u0d38\u0d4d \u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d3e\u0d7b “\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15” \u0d15\u0d4d\u0d32\u0d3f\u0d15\u0d4d\u0d15\u0d4d \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15\n <\/div>\n <div class=\"options-container\" id=\"optionsContainer\">\n \n <\/div>\n <\/div>\n \n <div class=\"feedback hidden\" id=\"feedbackMessage\"><\/div>\n <\/div>\n \n \n <div id=\"challengeMode\" class=\"mode-content hidden\">\n <div class=\"question-card\">\n <div class=\"question-number\">\u26a1 \u0d38\u0d4d\u0d2a\u0d40\u0d21\u0d4d \u0d1a\u0d3e\u0d32\u0d1e\u0d4d\u0d1a\u0d4d<\/div>\n <div class=\"question-text\" id=\"challengeQuestion\">\n 2 \u0d2e\u0d3f\u0d28\u0d3f\u0d31\u0d4d\u0d31\u0d3f\u0d28\u0d41\u0d33\u0d4d\u0d33\u0d3f\u0d7d \u0d0e\u0d24\u0d4d\u0d30 \u0d1a\u0d4b\u0d26\u0d4d\u0d2f\u0d19\u0d4d\u0d19\u0d7e\u0d15\u0d4d\u0d15\u0d4d \u0d09\u0d24\u0d4d\u0d24\u0d30\u0d02 \u0d28\u0d7d\u0d15\u0d3e\u0d7b \u0d15\u0d34\u0d3f\u0d2f\u0d41\u0d02?\n <\/div>\n <div class=\"options-container\" id=\"challengeOptions\">\n \n <\/div>\n <\/div>\n <\/div>\n \n \n <div id=\"studyMode\" class=\"mode-content hidden\">\n <div class=\"question-card\">\n <div class=\"question-number\">\ud83d\udcd6 \u0d2a\u0d20\u0d28 \u0d2e\u0d4b\u0d21\u0d4d<\/div>\n <div class=\"question-text\">\n \u0d0e\u0d32\u0d4d\u0d32\u0d3e \u0d2a\u0d4d\u0d30\u0d38\u0d3f\u0d26\u0d4d\u0d27\u0d40\u0d15\u0d30\u0d23\u0d19\u0d4d\u0d19\u0d33\u0d41\u0d02 \u0d05\u0d35\u0d2f\u0d41\u0d1f\u0d46 \u0d38\u0d4d\u0d25\u0d3e\u0d2a\u0d15\u0d30\u0d41\u0d02 \u0d2a\u0d20\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15\n <\/div>\n <div id=\"studyContent\">\n \n <\/div>\n <\/div>\n <\/div>\n \n \n <div id=\"resultsContainer\" class=\"results-container hidden\">\n <h2 class=\"results-title\">\ud83c\udf89 \u0d2b\u0d32\u0d02<\/h2>\n <div id=\"resultsContent\"><\/div>\n <div id=\"achievementsContainer\"><\/div>\n <\/div>\n \n \n <div class=\"controls\">\n <button class=\"btn\" id=\"startBtn\" onclick=\"startCurrentMode()\">\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15<\/button>\n <button class=\"btn btn-secondary hidden\" id=\"nextBtn\" onclick=\"nextItem()\">\u0d05\u0d1f\u0d41\u0d24\u0d4d\u0d24\u0d24\u0d4d<\/button>\n <button class=\"btn btn-warning hidden\" id=\"skipBtn\" onclick=\"skipItem()\">\u0d12\u0d34\u0d3f\u0d35\u0d3e\u0d15\u0d4d\u0d15\u0d41\u0d15<\/button>\n <button class=\"btn btn-secondary hidden\" id=\"restartBtn\" onclick=\"restartApp()\">\u0d2a\u0d41\u0d28\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15<\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n \/\/ Learning Data\n const learningData = [\n {\n question: \"\u0d38\u0d02\u0d2c\u0d3e\u0d26\u0d4d \u0d15\u0d57\u0d2e\u0d41\u0d26\u0d3f, \u0d2e\u0d3f\u0d31\u0d3e\u0d24\u0d4d\u0d24\u0d4d-\u0d09\u0d7d-\u0d05\u0d15\u0d4d\u0d2c\u0d7c\",\n answer: \"\u0d30\u0d3e\u0d1c\u0d3e\u0d31\u0d3e\u0d02 \u0d2e\u0d4b\u0d39\u0d7b \u0d31\u0d4b\u0d2f\u0d4d\",\n options: [\"\u0d30\u0d3e\u0d1c\u0d3e\u0d31\u0d3e\u0d02 \u0d2e\u0d4b\u0d39\u0d7b \u0d31\u0d4b\u0d2f\u0d4d\", \"\u0d08\u0d36\u0d4d\u0d35\u0d30\u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d35\u0d3f\u0d26\u0d4d\u0d2f\u0d3e\u0d38\u0d3e\u0d17\u0d7c\", \"\u0d26\u0d47\u0d2c\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25 \u0d1f\u0d3e\u0d17\u0d4b\u0d7c\", \"\u0d15\u0d47\u0d36\u0d2c\u0d4d \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d38\u0d46\u0d7b\"],\n correct: 0,\n explanation: \"\u0d30\u0d3e\u0d1c\u0d3e\u0d31\u0d3e\u0d02 \u0d2e\u0d4b\u0d39\u0d7b \u0d31\u0d4b\u0d2f\u0d4d \u0d2c\u0d02\u0d17\u0d3e\u0d33\u0d3f \u0d28\u0d35\u0d4b\u0d24\u0d4d\u0d25\u0d3e\u0d28\u0d24\u0d4d\u0d24\u0d3f\u0d28\u0d4d\u0d31\u0d46 \u0d2a\u0d3f\u0d24\u0d3e\u0d35\u0d3e\u0d2f\u0d3f \u0d15\u0d23\u0d15\u0d4d\u0d15\u0d3e\u0d15\u0d4d\u0d15\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d41\u0d28\u0d4d\u0d28\u0d41\",\n category: \"\u0d38\u0d3e\u0d2e\u0d42\u0d39\u0d3f\u0d15 \u0d2a\u0d30\u0d3f\u0d37\u0d4d\u0d15\u0d7c\u0d24\u0d4d\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2a\u0d4d\u0d30\u0d2c\u0d41\u0d26\u0d4d\u0d27\u0d2d\u0d3e\u0d30\u0d24\u0d4d, \u0d09\u0d26\u0d4d\u0d2c\u0d4b\u0d27\u0d7b\",\n answer: \"\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d35\u0d3f\u0d35\u0d47\u0d15\u0d3e\u0d28\u0d28\u0d4d\u0d26\u0d7b\",\n options: [\"\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d35\u0d3f\u0d35\u0d47\u0d15\u0d3e\u0d28\u0d28\u0d4d\u0d26\u0d7b\", \"\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d26\u0d2f\u0d3e\u0d28\u0d28\u0d4d\u0d26 \u0d38\u0d30\u0d38\u0d4d\u0d35\u0d24\u0d3f\", \"\u0d30\u0d3e\u0d2e\u0d15\u0d43\u0d37\u0d4d\u0d23 \u0d2a\u0d30\u0d2e\u0d39\u0d02\u0d38\u0d7b\", \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\"],\n correct: 0,\n explanation: \"\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d35\u0d3f\u0d35\u0d47\u0d15\u0d3e\u0d28\u0d28\u0d4d\u0d26\u0d7b \u0d30\u0d3e\u0d2e\u0d15\u0d43\u0d37\u0d4d\u0d23 \u0d2e\u0d3f\u0d37\u0d28\u0d4d\u0d31\u0d46 \u0d38\u0d4d\u0d25\u0d3e\u0d2a\u0d15\u0d28\u0d3e\u0d23\u0d4d\",\n category: \"\u0d06\u0d24\u0d4d\u0d2e\u0d40\u0d2f \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2f\u0d19\u0d4d \u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f, \u0d39\u0d30\u0d3f\u0d1c\u0d7b, \u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d12\u0d2a\u0d4d\u0d2a\u0d40\u0d28\u0d3f\u0d2f\u0d7b, \u0d28\u0d35\u0d1c\u0d40\u0d35\u0d7b\",\n answer: \"\u0d2e\u0d39\u0d3e\u0d24\u0d4d\u0d2e\u0d3e\u0d17\u0d3e\u0d28\u0d4d\u0d27\u0d3f\",\n options: [\"\u0d2e\u0d39\u0d3e\u0d24\u0d4d\u0d2e\u0d3e\u0d17\u0d3e\u0d28\u0d4d\u0d27\u0d3f\", \"\u0d1c\u0d35\u0d39\u0d7c\u0d32\u0d3e\u0d7d \u0d28\u0d46\u0d39\u0d4d\u0d31\u0d41\", \"\u0d38\u0d30\u0d26\u0d3e\u0d7c \u0d2a\u0d1f\u0d4d\u0d1f\u0d47\u0d7d\", \"\u0d2e\u0d57\u0d32\u0d3e\u0d28 \u0d06\u0d38\u0d3e\u0d26\u0d4d\"],\n correct: 0,\n explanation: \"\u0d17\u0d3e\u0d28\u0d4d\u0d27\u0d3f\u0d1c\u0d3f \u0d05\u0d39\u0d3f\u0d02\u0d38\u0d2f\u0d41\u0d1f\u0d46\u0d2f\u0d41\u0d02 \u0d38\u0d24\u0d4d\u0d2f\u0d3e\u0d17\u0d4d\u0d30\u0d39\u0d24\u0d4d\u0d24\u0d3f\u0d28\u0d4d\u0d31\u0d46\u0d2f\u0d41\u0d02 \u0d2a\u0d4d\u0d30\u0d35\u0d15\u0d4d\u0d24\u0d3e\u0d35\u0d3e\u0d2f\u0d3f\u0d30\u0d41\u0d28\u0d4d\u0d28\u0d41\",\n category: \"\u0d26\u0d47\u0d36\u0d40\u0d2f \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d15\u0d47\u0d38\u0d30\u0d3f, \u0d2e\u0d31\u0d3e\u0d24\u0d4d\u0d24\",\n answer: \"\u0d2c\u0d3e\u0d32\u0d17\u0d02\u0d17\u0d3e\u0d27\u0d30 \u0d24\u0d3f\u0d32\u0d15\u0d4d\",\n options: [\"\u0d2c\u0d3e\u0d32\u0d17\u0d02\u0d17\u0d3e\u0d27\u0d30 \u0d24\u0d3f\u0d32\u0d15\u0d4d\", \"\u0d17\u0d4b\u0d2a\u0d3e\u0d32\u0d15\u0d43\u0d37\u0d4d\u0d23 \u0d17\u0d4b\u0d16\u0d32\u0d46\", \"\u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\"],\n correct: 0,\n explanation: \"'\u0d38\u0d4d\u0d35\u0d30\u0d3e\u0d1c\u0d4d \u0d0e\u0d28\u0d4d\u0d31\u0d46 \u0d1c\u0d28\u0d4d\u0d2e\u0d3e\u0d35\u0d15\u0d3e\u0d36\u0d2e\u0d3e\u0d23\u0d4d' \u0d0e\u0d28\u0d4d\u0d28\u0d4d \u0d2a\u0d4d\u0d30\u0d16\u0d4d\u0d2f\u0d3e\u0d2a\u0d3f\u0d1a\u0d4d\u0d1a \u0d24\u0d3f\u0d32\u0d15\u0d4d\",\n category: \"\u0d24\u0d40\u0d35\u0d4d\u0d30 \u0d26\u0d47\u0d36\u0d40\u0d2f\u0d35\u0d3e\u0d26\u0d3f\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2c\u0d39\u0d3f\u0d37\u0d4d\u0d15\u0d43\u0d24 \u0d2d\u0d3e\u0d30\u0d24\u0d4d, \u0d2e\u0d42\u0d15\u0d4d\u0d28\u0d3e\u0d2f\u0d15\u0d4d\",\n answer: \"\u0d21\u0d4b. \u0d2c\u0d3f.\u0d06\u0d7c. \u0d05\u0d02\u0d2c\u0d47\u0d26\u0d4d\u200c\u0d15\u0d7c\",\n options: [\"\u0d21\u0d4b. \u0d2c\u0d3f.\u0d06\u0d7c. \u0d05\u0d02\u0d2c\u0d47\u0d26\u0d4d\u200c\u0d15\u0d7c\", \"\u0d1c\u0d4d\u0d2f\u0d4b\u0d24\u0d3f\u0d2c\u0d3e \u0d2b\u0d42\u0d32\u0d46\", \"\u0d30\u0d3e\u0d2e\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d28\u0d3e\u0d2f\u0d3f\u0d21\u0d41\", \"\u0d2a\u0d46\u0d30\u0d3f\u0d2f\u0d3e\u0d7c\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d2d\u0d30\u0d23\u0d18\u0d1f\u0d28\u0d2f\u0d41\u0d1f\u0d46 \u0d2a\u0d3f\u0d24\u0d3e\u0d35\u0d4d \u0d0e\u0d28\u0d4d\u0d28\u0d31\u0d3f\u0d2f\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d41\u0d28\u0d4d\u0d28 \u0d05\u0d02\u0d2c\u0d47\u0d26\u0d4d\u200c\u0d15\u0d7c\",\n category: \"\u0d26\u0d32\u0d3f\u0d24\u0d4d \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d28\u0d4d\u0d2f\u0d42 \u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f, \u0d15\u0d4b\u0d2e\u0d7a \u0d35\u0d40\u0d7d\",\n answer: \"\u0d06\u0d28\u0d3f\u0d2c\u0d38\u0d28\u0d4d\u0d31\u0d4d\",\n options: [\"\u0d06\u0d28\u0d3f\u0d2c\u0d38\u0d28\u0d4d\u0d31\u0d4d\", \"\u0d38\u0d3f\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d7c \u0d28\u0d3f\u0d35\u0d47\u0d26\u0d3f\u0d24\u0d3e\", \"\u0d2e\u0d3e\u0d7c\u0d17\u0d30\u0d31\u0d4d\u0d31\u0d4d \u0d15\u0d38\u0d3f\u0d7b\u0d38\u0d4d\", \"\u0d2e\u0d47\u0d30\u0d3f \u0d15\u0d3e\u0d7c\u0d2a\u0d46\u0d28\u0d4d\u0d31\u0d7c\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d26\u0d47\u0d36\u0d40\u0d2f \u0d15\u0d4b\u0d7a\u0d17\u0d4d\u0d30\u0d38\u0d3f\u0d28\u0d4d\u0d31\u0d46 \u0d06\u0d26\u0d4d\u0d2f\u0d24\u0d4d\u0d24\u0d46 \u0d35\u0d28\u0d3f\u0d24\u0d3e \u0d2a\u0d4d\u0d30\u0d38\u0d3f\u0d21\u0d28\u0d4d\u0d31\u0d4d\",\n category: \"\u0d35\u0d3f\u0d26\u0d47\u0d36\u0d3f \u0d2a\u0d3f\u0d28\u0d4d\u0d24\u0d41\u0d23\u0d15\u0d4d\u0d15\u0d3e\u0d7c\"\n },\n {\n question: \"\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 (\u0d09\u0d7c\u0d26\u0d41)\",\n answer: \"\u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d (\u0d32\u0d3e\u0d39\u0d4b\u0d7c)\",\n options: [\"\u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\", \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d2c\u0d3e\u0d32\u0d17\u0d02\u0d17\u0d3e\u0d27\u0d30 \u0d24\u0d3f\u0d32\u0d15\u0d4d\"],\n correct: 0,\n explanation: \"\u0d2a\u0d1e\u0d4d\u0d1a\u0d3e\u0d2c\u0d4d \u0d15\u0d47\u0d36\u0d30\u0d3f \u0d0e\u0d28\u0d4d\u0d28\u0d31\u0d3f\u0d2f\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d4d\u0d1f \u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d\",\n category: \"\u0d2a\u0d4d\u0d30\u0d3e\u0d26\u0d47\u0d36\u0d3f\u0d15 \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2c\u0d02\u0d17\u0d3e\u0d7e \u0d17\u0d38\u0d31\u0d4d\u0d31\u0d4d (\u0d15\u0d7d\u0d15\u0d4d\u0d15\u0d1f\u0d4d\u0d1f \u0d1c\u0d28\u0d31\u0d7d \u0d05\u0d21\u0d4d\u0d35\u0d38\u0d7c)\",\n answer: \"\u0d1c\u0d2f\u0d3f\u0d02\u0d38\u0d4d \u0d05\u0d17\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d38\u0d4d \u0d39\u0d3f\u0d15\u0d4d\u0d15\u0d3f\",\n options: [\"\u0d1c\u0d2f\u0d3f\u0d02\u0d38\u0d4d \u0d05\u0d17\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d38\u0d4d \u0d39\u0d3f\u0d15\u0d4d\u0d15\u0d3f\", \"\u0d1c\u0d4b\u0d7a \u0d15\u0d4d\u0d32\u0d3e\u0d7c\u0d15\u0d4d\u0d15\u0d4d \u0d2e\u0d3e\u0d7c\u0d37\u0d4d\u0d2e\u0d3e\u0d7b\", \"\u0d35\u0d3f\u0d32\u0d4d\u0d2f\u0d02 \u0d15\u0d3e\u0d30\u0d3f\", \"\u0d1c\u0d4b\u0d37\u0d4d\u0d35 \u0d2e\u0d3e\u0d7c\u0d37\u0d4d\u0d2e\u0d3e\u0d7b\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d2f\u0d3f\u0d32\u0d46 \u0d06\u0d26\u0d4d\u0d2f\u0d24\u0d4d\u0d24\u0d46 \u0d2a\u0d24\u0d4d\u0d30\u0d02 1780-\u0d7d \u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d1a\u0d4d\u0d1a\u0d41\",\n category: \"\u0d06\u0d26\u0d4d\u0d2f\u0d15\u0d3e\u0d32 \u0d2a\u0d24\u0d4d\u0d30\u0d2a\u0d4d\u0d30\u0d35\u0d7c\u0d24\u0d4d\u0d24\u0d15\u0d7c\"\n },\n {\n question: \"\u0d28\u0d3e\u0d37\u0d23\u0d7d \u0d39\u0d46\u0d31\u0d3e\u0d7e\u0d21\u0d4d\",\n answer: \"\u0d1c\u0d35\u0d39\u0d7c\u0d32\u0d3e\u0d7d \u0d28\u0d46\u0d39\u0d4d\u0d31\u0d41\",\n options: [\"\u0d1c\u0d35\u0d39\u0d7c\u0d32\u0d3e\u0d7d \u0d28\u0d46\u0d39\u0d4d\u0d31\u0d41\", \"\u0d2e\u0d39\u0d3e\u0d24\u0d4d\u0d2e\u0d3e\u0d17\u0d3e\u0d28\u0d4d\u0d27\u0d3f\", \"\u0d38\u0d30\u0d26\u0d3e\u0d7c \u0d2a\u0d1f\u0d4d\u0d1f\u0d47\u0d7d\", \"\u0d2e\u0d57\u0d32\u0d3e\u0d28 \u0d06\u0d38\u0d3e\u0d26\u0d4d\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d2f\u0d41\u0d1f\u0d46 \u0d06\u0d26\u0d4d\u0d2f \u0d2a\u0d4d\u0d30\u0d27\u0d3e\u0d28\u0d2e\u0d28\u0d4d\u0d24\u0d4d\u0d30\u0d3f \u0d1c\u0d35\u0d39\u0d7c\u0d32\u0d3e\u0d7d \u0d28\u0d46\u0d39\u0d4d\u0d31\u0d41\",\n category: \"\u0d15\u0d4b\u0d7a\u0d17\u0d4d\u0d30\u0d38\u0d4d \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2c\u0d02\u0d17\u0d3e\u0d33\u0d3f\",\n answer: \"\u0d38\u0d41\u0d30\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25\u0d4d \u0d2c\u0d3e\u0d28\u0d7c\u0d1c\u0d3f\",\n options: [\"\u0d38\u0d41\u0d30\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25\u0d4d \u0d2c\u0d3e\u0d28\u0d7c\u0d1c\u0d3f\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\", \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d2c\u0d30\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d15\u0d41\u0d2e\u0d3e\u0d7c \u0d18\u0d4b\u0d37\u0d4d\"],\n correct: 0,\n explanation: \"\u0d2c\u0d02\u0d17\u0d3e\u0d7e \u0d35\u0d3f\u0d2d\u0d1c\u0d28\u0d24\u0d4d\u0d24\u0d3f\u0d28\u0d46\u0d24\u0d3f\u0d30\u0d46 \u0d2a\u0d4b\u0d30\u0d3e\u0d1f\u0d3f\u0d2f \u0d28\u0d47\u0d24\u0d3e\u0d35\u0d4d\",\n category: \"\u0d2c\u0d02\u0d17\u0d3e\u0d7e \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d05\u0d7d\u0d39\u0d3f\u0d32\u0d3e\u0d7d\",\n answer: \"\u0d2e\u0d57\u0d32\u0d3e\u0d28 \u0d05\u0d2c\u0d41\u0d7e \u0d15\u0d32\u0d3e\u0d02 \u0d06\u0d38\u0d3e\u0d26\u0d4d\",\n options: [\"\u0d2e\u0d57\u0d32\u0d3e\u0d28 \u0d05\u0d2c\u0d41\u0d7e \u0d15\u0d32\u0d3e\u0d02 \u0d06\u0d38\u0d3e\u0d26\u0d4d\", \"\u0d2e\u0d57\u0d32\u0d3e\u0d28\u0d3e \u0d2e\u0d41\u0d39\u0d2e\u0d4d\u0d2e\u0d26\u0d4d \u0d05\u0d32\u0d3f\", \"\u0d16\u0d3e\u0d7b \u0d05\u0d2c\u0d4d\u0d26\u0d41\u0d7d \u0d17\u0d2b\u0d3e\u0d7c \u0d16\u0d3e\u0d7b\", \"\u0d05\u0d36\u0d4d\u0d2b\u0d3e\u0d16\u0d41\u0d33\u0d4d\u0d33 \u0d16\u0d3e\u0d7b\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d2f\u0d41\u0d1f\u0d46 \u0d06\u0d26\u0d4d\u0d2f \u0d35\u0d3f\u0d26\u0d4d\u0d2f\u0d3e\u0d2d\u0d4d\u0d2f\u0d3e\u0d38 \u0d2e\u0d28\u0d4d\u0d24\u0d4d\u0d30\u0d3f\",\n category: \"\u0d2e\u0d41\u0d38\u0d4d\u200c\u0d32\u0d3f\u0d02 \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2c\u0d02\u0d17\u0d3e \u0d26\u0d7c\u0d36\u0d7b\",\n answer: \"\u0d2c\u0d19\u0d4d\u0d15\u0d3f\u0d02 \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d1a\u0d3e\u0d31\u0d4d\u0d31\u0d7c\u0d1c\u0d3f\",\n options: [\"\u0d2c\u0d19\u0d4d\u0d15\u0d3f\u0d02 \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d1a\u0d3e\u0d31\u0d4d\u0d31\u0d7c\u0d1c\u0d3f\", \"\u0d30\u0d35\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25 \u0d1f\u0d3e\u0d17\u0d4b\u0d7c\", \"\u0d36\u0d30\u0d24\u0d4d\u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d1a\u0d3e\u0d31\u0d4d\u0d31\u0d4b\u0d2a\u0d3e\u0d26\u0d4d\u0d27\u0d4d\u0d2f\u0d3e\u0d2f\", \"\u0d2e\u0d48\u0d15\u0d4d\u0d15\u0d47\u0d7d \u0d2e\u0d27\u0d41\u0d38\u0d42\u0d26\u0d7b \u0d26\u0d24\u0d4d\u0d24\"],\n correct: 0,\n explanation: \"\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 \u0d17\u0d3e\u0d28\u0d24\u0d4d\u0d24\u0d3f\u0d28\u0d4d\u0d31\u0d46 \u0d30\u0d1a\u0d2f\u0d3f\u0d24\u0d3e\u0d35\u0d4d\",\n category: \"\u0d38\u0d3e\u0d39\u0d3f\u0d24\u0d4d\u0d2f\u0d15\u0d3e\u0d30\u0d28\u0d4d\u0d2e\u0d3e\u0d7c\"\n },\n {\n question: \"\u0d26 \u0d1f\u0d4d\u0d30\u0d3f\u0d2c\u0d4d\u0d2f\u0d42\u0d7a\",\n answer: \"\u0d26\u0d2f\u0d3e\u0d7d \u0d38\u0d3f\u0d02\u0d17\u0d4d \u0d2e\u0d1c\u0d46\u0d15\u0d4d\u0d24\u0d3f\u0d2f\",\n options: [\"\u0d26\u0d2f\u0d3e\u0d7d \u0d38\u0d3f\u0d02\u0d17\u0d4d \u0d2e\u0d1c\u0d46\u0d15\u0d4d\u0d24\u0d3f\u0d2f\", \"\u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d\", \"\u0d38\u0d7c \u0d38\u0d2f\u0d4d\u0d2f\u0d3f\u0d26\u0d4d \u0d05\u0d39\u0d2e\u0d4d\u0d2e\u0d26\u0d4d \u0d16\u0d3e\u0d7b\", \"\u0d16\u0d3e\u0d7b \u0d05\u0d2c\u0d4d\u0d26\u0d41\u0d7d \u0d17\u0d2b\u0d3e\u0d7c \u0d16\u0d3e\u0d7b\"],\n correct: 0,\n explanation: \"\u0d2a\u0d1e\u0d4d\u0d1a\u0d3e\u0d2c\u0d3f\u0d32\u0d46 \u0d2a\u0d4d\u0d30\u0d2e\u0d41\u0d16 \u0d35\u0d4d\u0d2f\u0d35\u0d38\u0d3e\u0d2f\u0d3f\",\n category: \"\u0d35\u0d4d\u0d2f\u0d35\u0d38\u0d3e\u0d2f\u0d3f\u0d15\u0d7e\"\n },\n {\n question: \"\u0d15\u0d7c\u0d2e\u0d4d\u0d2e\u0d2f\u0d4b\u0d17\u0d3f\",\n answer: \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\",\n options: [\"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\", \"\u0d2c\u0d30\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d15\u0d41\u0d2e\u0d3e\u0d7c \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d38\u0d41\u0d30\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25\u0d4d \u0d2c\u0d3e\u0d28\u0d7c\u0d1c\u0d3f\"],\n correct: 0,\n explanation: \"\u0d24\u0d40\u0d35\u0d4d\u0d30 \u0d26\u0d47\u0d36\u0d40\u0d2f\u0d35\u0d3e\u0d26\u0d24\u0d4d\u0d24\u0d3f\u0d7d \u0d28\u0d3f\u0d28\u0d4d\u0d28\u0d4d \u0d06\u0d24\u0d4d\u0d2e\u0d40\u0d2f\u0d24\u0d2f\u0d3f\u0d32\u0d47\u0d15\u0d4d\u0d15\u0d4d \u0d24\u0d3f\u0d30\u0d3f\u0d1e\u0d4d\u0d1e \u0d26\u0d3e\u0d7c\u0d36\u0d28\u0d3f\u0d15\u0d7b\",\n category: \"\u0d26\u0d3e\u0d7c\u0d36\u0d28\u0d3f\u0d15\u0d7c\"\n },\n {\n question: \"\u0d2f\u0d41\u0d17\u0d3e\u0d28\u0d4d\u0d24\u0d7c\",\n answer: \"\u0d2c\u0d30\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d15\u0d41\u0d2e\u0d3e\u0d7c \u0d18\u0d4b\u0d37\u0d4d, \u0d2d\u0d42\u0d2a\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25 \u0d26\u0d24\u0d4d\u0d24\",\n options: [\"\u0d2c\u0d30\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d15\u0d41\u0d2e\u0d3e\u0d7c \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\", \"\u0d38\u0d41\u0d30\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25\u0d4d \u0d2c\u0d3e\u0d28\u0d7c\u0d1c\u0d3f\"],\n correct: 0,\n explanation: \"\u0d35\u0d3f\u0d2a\u0d4d\u0d32\u0d35\u0d15\u0d30\u0d2e\u0d3e\u0d2f \u0d2a\u0d4d\u0d30\u0d38\u0d3f\u0d26\u0d4d\u0d27\u0d40\u0d15\u0d30\u0d23\u0d02\",\n category: \"\u0d35\u0d3f\u0d2a\u0d4d\u0d32\u0d35\u0d15\u0d3e\u0d30\u0d3f\u0d15\u0d7e\"\n }\n ];\n\n \/\/ App State\n let currentMode = 'flashcard';\n let currentIndex = 0;\n let userProgress = JSON.parse(localStorage.getItem('learningProgress') || '{}');\n let sessionStats = {\n score: 0,\n level: 1,\n streak: 0,\n correctAnswers: 0,\n totalQuestions: 0,\n timeStarted: null\n };\n let timerInterval = null;\n let timeRemaining = 300; \/\/ 5 minutes for timed modes\n let isFlipped = false;\n let selectedAnswer = null;\n\n \/\/ Initialize App\n function initializeApp() {\n loadUserProgress();\n updateStatsDisplay();\n setupEventListeners();\n }\n\n \/\/ Mode Switching\n function switchMode(mode) {\n currentMode = mode;\n \n \/\/ Update nav tabs\n document.querySelectorAll('.nav-tab').forEach(tab => tab.classList.remove('active'));\n event.target.classList.add('active');\n \n \/\/ Hide all mode contents\n document.querySelectorAll('.mode-content').forEach(content => content.classList.add('hidden'));\n \n \/\/ Show selected mode\n document.getElementById(mode + 'Mode').classList.remove('hidden');\n \n \/\/ Reset controls\n resetControls();\n \n \/\/ Setup mode-specific content\n setupMode(mode);\n }\n\n function setupMode(mode) {\n switch(mode) {\n case 'flashcard':\n setupFlashcardMode();\n break;\n case 'quiz':\n setupQuizMode();\n break;\n case 'challenge':\n setupChallengeMode();\n break;\n case 'study':\n setupStudyMode();\n break;\n }\n }\n\n function setupFlashcardMode() {\n document.getElementById('cardFront').textContent = '\u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d3e\u0d7b \"\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15\" \u0d15\u0d4d\u0d32\u0d3f\u0d15\u0d4d\u0d15\u0d4d \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15';\n document.getElementById('difficultyRating').classList.add('hidden');\n document.getElementById('timerDisplay').classList.add('hidden');\n isFlipped = false;\n currentIndex = 0;\n }\n\n function setupQuizMode() {\n document.getElementById('questionText').textContent = '\u0d15\u0d4d\u0d35\u0d3f\u0d38\u0d4d \u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d3e\u0d7b \"\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15\" \u0d15\u0d4d\u0d32\u0d3f\u0d15\u0d4d\u0d15\u0d4d \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15';\n document.getElementById('optionsContainer').innerHTML = '';\n document.getElementById('feedbackMessage').classList.add('hidden');\n document.getElementById('timerDisplay').classList.add('hidden');\n currentIndex = 0;\n }\n\n function setupChallengeMode() {\n document.getElementById('challengeQuestion').textContent = '2 \u0d2e\u0d3f\u0d28\u0d3f\u0d31\u0d4d\u0d31\u0d3f\u0d28\u0d41\u0d33\u0d4d\u0d33\u0d3f\u0d7d \u0d0e\u0d24\u0d4d\u0d30 \u0d1a\u0d4b\u0d26\u0d4d\u0d2f\u0d19\u0d4d\u0d19\u0d7e\u0d15\u0d4d\u0d15\u0d4d \u0d09\u0d24\u0d4d\u0d24\u0d30\u0d02 \u0d28\u0d7d\u0d15\u0d3e\u0d7b \u0d15\u0d34\u0d3f\u0d2f\u0d41\u0d02?';\n document.getElementById('challengeOptions').innerHTML = '';\n timeRemaining = 120; \/\/ 2 minutes for challenge\n currentIndex = 0;\n }\n\n function setupStudyMode() {\n generateStudyContent();\n }\n\n \/\/ Start Current Mode\n function startCurrentMode() {\n sessionStats.timeStarted = new Date();\n document.getElementById('startBtn').classList.add('hidden');\n \n switch(currentMode) {\n case 'flashcard':\n startFlashcardMode();\n break;\n case 'quiz':\n startQuizMode();\n break;\n case 'challenge':\n startChallengeMode();\n break;\n case 'study':\n startStudyMode();\n break;\n }\n }\n\n function startFlashcardMode() {\n currentIndex = 0;\n showFlashcard();\n document.getElementById('nextBtn').classList.remove('hidden');\n }\n\n function startQuizMode() {\n currentIndex = 0;\n selectedAnswer = null;\n showQuizQuestion();\n document.getElementById('nextBtn').classList.remove('hidden');\n document.getElementById('skipBtn').classList.remove('hidden');\n }\n\n function startChallengeMode() {\n currentIndex = 0;\n timeRemaining = 120;\n document.getElementById('timerDisplay').classList.remove('hidden');\n startTimer();\n showChallengeQuestion();\n document.getElementById('nextBtn').classList.remove('hidden');\n }\n\n function startStudyMode() {\n \/\/ Study mode is already setup, just show controls\n document.getElementById('nextBtn').classList.remove('hidden');\n document.getElementById('nextBtn').textContent = '\u0d05\u0d1f\u0d41\u0d24\u0d4d\u0d24 \u0d35\u0d3f\u0d37\u0d2f\u0d02';\n }\n\n \/\/ Flashcard Functions\n function showFlashcard() {\n if (currentIndex >= learningData.length) {\n showResults();\n return;\n }\n\n const card = learningData[currentIndex];\n document.getElementById('cardFront').textContent = card.question;\n document.getElementById('cardBack').innerHTML = `\n <strong>${card.answer}<\/strong><br><br>\n <small>${card.explanation}<\/small>\n `;\n \n document.getElementById('flashcard').classList.remove('flipped');\n document.getElementById('difficultyRating').classList.add('hidden');\n isFlipped = false;\n \n updateProgress();\n }\n\n function flipCard() {\n if (currentIndex < 0 || currentIndex >= learningData.length) return;\n \n const flashcard = document.getElementById('flashcard');\n flashcard.classList.toggle('flipped');\n isFlipped = !isFlipped;\n \n if (isFlipped) {\n document.getElementById('difficultyRating').classList.remove('hidden');\n }\n }\n\n function rateDifficulty(level) {\n const cardId = `card_${currentIndex}`;\n if (!userProgress[cardId]) {\n userProgress[cardId] = { reviews: 0, difficulty: 1.0, lastReviewed: null };\n }\n \n userProgress[cardId].reviews++;\n userProgress[cardId].lastReviewed = new Date().toISOString();\n \n \/\/ Adjust difficulty based on rating\n switch(level) {\n case 'easy':\n userProgress[cardId].difficulty = Math.max(0.5, userProgress[cardId].difficulty - 0.1);\n sessionStats.score += 15;\n sessionStats.streak++;\n break;\n case 'medium':\n sessionStats.score += 10;\n break;\n case 'hard':\n userProgress[cardId].difficulty = Math.min(2.0, userProgress[cardId].difficulty + 0.2);\n sessionStats.score += 5;\n sessionStats.streak = Math.max(0, sessionStats.streak - 1);\n break;\n }\n \n sessionStats.correctAnswers++;\n sessionStats.totalQuestions++;\n updateStatsDisplay();\n saveUserProgress();\n \n \/\/ Auto advance after rating\n setTimeout(() => {\n nextItem();\n }, 500);\n }\n\n \/\/ Quiz Functions\n function showQuizQuestion() {\n if (currentIndex >= learningData.length) {\n showResults();\n return;\n }\n\n const question = learningData[currentIndex];\n selectedAnswer = null;\n \n document.getElementById('questionNumber').textContent = `\u0d1a\u0d4b\u0d26\u0d4d\u0d2f\u0d02 ${currentIndex + 1}`;\n document.getElementById('questionText').textContent = question.question;\n \n const optionsContainer = document.getElementById('optionsContainer');\n optionsContainer.innerHTML = '';\n \n question.options.forEach((option, index) => {\n const optionElement = document.createElement('div');\n optionElement.className = 'option';\n optionElement.onclick = () => selectOption(index);\n \n optionElement.innerHTML = `\n <div class=\"option-letter\">${String.fromCharCode(65 + index)}<\/div>\n <div>${option}<\/div>\n `;\n \n optionsContainer.appendChild(optionElement);\n });\n \n document.getElementById('feedbackMessage').classList.add('hidden');\n document.getElementById('nextBtn').disabled = true;\n updateProgress();\n }\n\n function selectOption(index) {\n if (selectedAnswer !== null) return;\n \n selectedAnswer = index;\n const question = learningData[currentIndex];\n const options = document.querySelectorAll('#optionsContainer .option');\n \n \/\/ Disable all options\n options.forEach(option => option.style.pointerEvents = 'none');\n \n \/\/ Mark correct and incorrect\n options[question.correct].classList.add('correct');\n if (index !== question.correct) {\n options[index].classList.add('wrong');\n }\n \n \/\/ Update stats\n sessionStats.totalQuestions++;\n if (index === question.correct) {\n sessionStats.correctAnswers++;\n sessionStats.streak++;\n sessionStats.score += 10 + (sessionStats.streak * 2);\n showFeedback(true, question.explanation);\n } else {\n sessionStats.streak = 0;\n showFeedback(false, question.explanation);\n }\n \n updateStatsDisplay();\n document.getElementById('nextBtn').disabled = false;\n }\n\n function showFeedback(isCorrect, explanation) {\n const feedback = document.getElementById('feedbackMessage');\n feedback.className = 'feedback ' + (isCorrect ? 'success' : 'error');\n feedback.innerHTML = `\n <div>${isCorrect ? '\u2705 \u0d36\u0d30\u0d3f!' : '\u274c \u0d24\u0d46\u0d31\u0d4d\u0d31\u0d4d!'}<\/div>\n <div style=\"margin-top: 10px; font-size: 14px; opacity: 0.9;\">${explanation}<\/div>\n `;\n feedback.classList.remove('hidden');\n }\n\n \/\/ Challenge Functions\n function showChallengeQuestion() {\n if (currentIndex >= learningData.length || timeRemaining <= 0) {\n endChallenge();\n return;\n }\n\n const question = learningData[currentIndex];\n document.getElementById('challengeQuestion').textContent = question.question;\n \n const optionsContainer = document.getElementById('challengeOptions');\n optionsContainer.innerHTML = '';\n \n question.options.forEach((option, index) => {\n const optionElement = document.createElement('div');\n optionElement.className = 'option';\n optionElement.onclick = () => quickSelectOption(index);\n \n optionElement.innerHTML = `\n <div class=\"option-letter\">${String.fromCharCode(65 + index)}<\/div>\n <div>${option}<\/div>\n `;\n \n optionsContainer.appendChild(optionElement);\n });\n \n updateProgress();\n }\n\n function quickSelectOption(index) {\n const question = learningData[currentIndex];\n sessionStats.totalQuestions++;\n \n if (index === question.correct) {\n sessionStats.correctAnswers++;\n sessionStats.streak++;\n sessionStats.score += 15 + (sessionStats.streak * 3); \/\/ Higher score for speed\n } else {\n sessionStats.streak = 0;\n }\n \n updateStatsDisplay();\n \n \/\/ Quick advance to next question\n setTimeout(() => {\n nextItem();\n }, 200);\n }\n\n \/\/ Study Mode Functions\n function generateStudyContent() {\n const studyContent = document.getElementById('studyContent');\n const categories = [...new Set(learningData.map(item => item.category))];\n \n let html = '';\n categories.forEach(category => {\n html += `<div style=\"margin-bottom: 30px;\">`;\n html += `<h3 style=\"color: #667eea; margin-bottom: 15px;\">${category}<\/h3>`;\n \n const categoryItems = learningData.filter(item => item.category === category);\n categoryItems.forEach(item => {\n html += `\n <div style=\"background: #f8f9fa; padding: 15px; margin: 10px 0; border-radius: 10px; border-left: 4px solid #667eea;\">\n <strong>${item.question}<\/strong><br>\n <span style=\"color: #28a745; font-weight: 600;\">${item.answer}<\/span><br>\n <small style=\"color: #666; font-style: italic;\">${item.explanation}<\/small>\n <\/div>\n `;\n });\n \n html += `<\/div>`;\n });\n \n studyContent.innerHTML = html;\n }\n\n \/\/ Navigation Functions\n function nextItem() {\n currentIndex++;\n \n \/\/ Reset option styles\n const options = document.querySelectorAll('.option');\n options.forEach(option => {\n option.style.pointerEvents = 'auto';\n option.classList.remove('correct', 'wrong', 'selected');\n });\n \n switch(currentMode) {\n case 'flashcard':\n showFlashcard();\n break;\n case 'quiz':\n showQuizQuestion();\n break;\n case 'challenge':\n showChallengeQuestion();\n break;\n case 'study':\n \/\/ In study mode, just scroll to next section\n break;\n }\n }\n\n function skipItem() {\n if (currentMode === 'quiz') {\n sessionStats.totalQuestions++;\n sessionStats.streak = 0;\n updateStatsDisplay();\n }\n nextItem();\n }\n\n \/\/ Timer Functions\n function startTimer() {\n timerInterval = setInterval(() => {\n timeRemaining--;\n updateTimerDisplay();\n \n if (timeRemaining <= 0) {\n endChallenge();\n }\n }, 1000);\n }\n\n function updateTimerDisplay() {\n const minutes = Math.floor(timeRemaining \/ 60);\n const seconds = timeRemaining % 60;\n const timeString = `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;\n \n document.getElementById('timeRemaining').textContent = timeString;\n \n const timerDisplay = document.getElementById('timerDisplay');\n if (timeRemaining <= 30) {\n timerDisplay.classList.add('timer-warning');\n }\n }\n\n function endChallenge() {\n if (timerInterval) {\n clearInterval(timerInterval);\n timerInterval = null;\n }\n showResults();\n }\n\n \/\/ Progress and Statistics\n function updateProgress() {\n const progress = currentMode === 'study' ? 100 : ((currentIndex + 1) \/ learningData.length) * 100;\n document.getElementById('progressBar').style.width = progress + '%';\n }\n\n function updateStatsDisplay() {\n document.getElementById('totalScore').textContent = sessionStats.score;\n document.getElementById('currentLevel').textContent = Math.floor(sessionStats.score \/ 100) + 1;\n document.getElementById('streakCount').textContent = sessionStats.streak;\n \n const accuracy = sessionStats.totalQuestions > 0 \n ? Math.round((sessionStats.correctAnswers \/ sessionStats.totalQuestions) * 100) \n : 0;\n document.getElementById('accuracyRate').textContent = accuracy + '%';\n \n \/\/ Update level\n sessionStats.level = Math.floor(sessionStats.score \/ 100) + 1;\n }\n\n \/\/ Results\n function showResults() {\n \/\/ Hide current mode content\n document.querySelectorAll('.mode-content').forEach(content => content.classList.add('hidden'));\n \n \/\/ Show results\n const resultsContainer = document.getElementById('resultsContainer');\n resultsContainer.classList.remove('hidden');\n \n const timeSpent = sessionStats.timeStarted \n ? Math.round((new Date() - sessionStats.timeStarted) \/ 1000 \/ 60)\n : 0;\n \n const accuracy = sessionStats.totalQuestions > 0 \n ? Math.round((sessionStats.correctAnswers \/ sessionStats.totalQuestions) * 100) \n : 0;\n \n const resultsContent = document.getElementById('resultsContent');\n resultsContent.innerHTML = `\n <div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin: 20px 0;\">\n <div style=\"background: #e8f5e8; padding: 15px; border-radius: 10px;\">\n <div style=\"font-size: 24px; font-weight: bold; color: #2e7d32;\">${sessionStats.score}<\/div>\n <div style=\"color: #666;\">\u0d2e\u0d4a\u0d24\u0d4d\u0d24\u0d02 \u0d38\u0d4d\u0d15\u0d4b\u0d7c<\/div>\n <\/div>\n <div style=\"background: #e3f2fd; padding: 15px; border-radius: 10px;\">\n <div style=\"font-size: 24px; font-weight: bold; color: #1976d2;\">${accuracy}%<\/div>\n <div style=\"color: #666;\">\u0d15\u0d43\u0d24\u0d4d\u0d2f\u0d24<\/div>\n <\/div>\n <div style=\"background: #fff3e0; padding: 15px; border-radius: 10px;\">\n <div style=\"font-size: 24px; font-weight: bold; color: #f57c00;\">${sessionStats.streak}<\/div>\n <div style=\"color: #666;\">\u0d2a\u0d30\u0d2e\u0d3e\u0d35\u0d27\u0d3f \u0d38\u0d4d\u0d1f\u0d4d\u0d30\u0d40\u0d15\u0d4d<\/div>\n <\/div>\n <div style=\"background: #fce4ec; padding: 15px; border-radius: 10px;\">\n <div style=\"font-size: 24px; font-weight: bold; color: #c2185b;\">${timeSpent}<\/div>\n <div style=\"color: #666;\">\u0d2e\u0d3f\u0d28\u0d3f\u0d31\u0d4d\u0d31\u0d41\u0d15\u0d7e<\/div>\n <\/div>\n <\/div>\n `;\n \n \/\/ Generate achievements\n generateAchievements(accuracy);\n \n \/\/ Show restart button\n document.getElementById('restartBtn').classList.remove('hidden');\n \n \/\/ Save progress\n saveUserProgress();\n }\n\n function generateAchievements(accuracy) {\n const achievements = [];\n \n if (accuracy >= 95) achievements.push('\ud83c\udfc6 \u0d2a\u0d46\u0d7c\u0d2b\u0d46\u0d15\u0d4d\u0d1f\u0d4d \u0d38\u0d4d\u0d15\u0d4b\u0d33\u0d7c');\n else if (accuracy >= 85) achievements.push('\ud83e\udd47 \u0d17\u0d4b\u0d7e\u0d21\u0d4d \u0d2e\u0d46\u0d21\u0d32\u0d3f\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d4d');\n else if (accuracy >= 75) achievements.push('\ud83e\udd48 \u0d38\u0d3f\u0d7d\u0d35\u0d7c \u0d2e\u0d46\u0d21\u0d32\u0d3f\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d4d');\n else if (accuracy >= 65) achievements.push('\ud83e\udd49 \u0d2c\u0d4d\u0d30\u0d4b\u0d7a\u0d38\u0d4d \u0d2e\u0d46\u0d21\u0d32\u0d3f\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d4d');\n \n if (sessionStats.streak >= 10) achievements.push('\ud83d\udd25 \u0d38\u0d4d\u0d1f\u0d4d\u0d30\u0d40\u0d15\u0d4d \u0d2e\u0d3e\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d7c');\n if (sessionStats.streak >= 5) achievements.push('\u26a1 \u0d39\u0d4b\u0d1f\u0d4d\u0d1f\u0d4d \u0d38\u0d4d\u0d1f\u0d4d\u0d30\u0d40\u0d15\u0d4d');\n \n if (sessionStats.score >= 500) achievements.push('\ud83d\udc51 \u0d38\u0d4d\u0d15\u0d4b\u0d7c \u0d15\u0d3f\u0d02\u0d17\u0d4d');\n if (sessionStats.score >= 300) achievements.push('\u2b50 \u0d38\u0d4d\u0d15\u0d4b\u0d7c \u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d3e\u0d7c');\n \n if (currentMode === 'challenge' && accuracy >= 80) achievements.push('\ud83d\ude80 \u0d38\u0d4d\u0d2a\u0d40\u0d21\u0d4d \u0d21\u0d46\u0d2e\u0d7a');\n if (sessionStats.correctAnswers === learningData.length) achievements.push('\ud83c\udfaf \u0d2a\u0d46\u0d7c\u0d2b\u0d46\u0d15\u0d4d\u0d1f\u0d4d \u0d37\u0d42\u0d1f\u0d4d\u0d1f\u0d7c');\n \n const achievementsContainer = document.getElementById('achievementsContainer');\n if (achievements.length > 0) {\n achievementsContainer.innerHTML = `\n <h3 style=\"color: #2c3e50; margin: 20px 0 15px;\">\ud83c\udfc6 \u0d28\u0d47\u0d1f\u0d3f\u0d2f \u0d05\u0d35\u0d3e\u0d7c\u0d21\u0d41\u0d15\u0d7e<\/h3>\n <div style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\">\n ${achievements.map(achievement => `<div class=\"achievement\">${achievement}<\/div>`).join('')}\n <\/div>\n `;\n }\n }\n\n \/\/ Data Persistence\n function loadUserProgress() {\n const saved = localStorage.getItem('learningProgress');\n if (saved) {\n userProgress = JSON.parse(saved);\n }\n \n const savedStats = localStorage.getItem('sessionStats');\n if (savedStats) {\n const parsed = JSON.parse(savedStats);\n sessionStats.score = parsed.score || 0;\n sessionStats.level = parsed.level || 1;\n }\n }\n\n function saveUserProgress() {\n localStorage.setItem('learningProgress', JSON.stringify(userProgress));\n localStorage.setItem('sessionStats', JSON.stringify({\n score: sessionStats.score,\n level: sessionStats.level,\n lastPlayed: new Date().toISOString()\n }));\n }\n\n \/\/ Utility Functions\n function resetControls() {\n document.getElementById('startBtn').classList.remove('hidden');\n document.getElementById('nextBtn').classList.add('hidden');\n document.getElementById('skipBtn').classList.add('hidden');\n document.getElementById('restartBtn').classList.add('hidden');\n document.getElementById('resultsContainer').classList.add('hidden');\n document.getElementById('feedbackMessage').classList.add('hidden');\n document.getElementById('difficultyRating').classList.add('hidden');\n \n if (timerInterval) {\n clearInterval(timerInterval);\n timerInterval = null;\n }\n }\n\n function restartApp() {\n sessionStats = {\n score: sessionStats.score, \/\/ Keep cumulative score\n level: sessionStats.level,\n streak: 0,\n correctAnswers: 0,\n totalQuestions: 0,\n timeStarted: null\n };\n \n currentIndex = 0;\n resetControls();\n setupMode(currentMode);\n updateStatsDisplay();\n }\n\n function setupEventListeners() {\n \/\/ Keyboard shortcuts\n document.addEventListener('keydown', (e) => {\n switch(e.key) {\n case ' ':\n e.preventDefault();\n if (currentMode === 'flashcard') flipCard();\n break;\n case 'ArrowRight':\n e.preventDefault();\n if (!document.getElementById('nextBtn').classList.contains('hidden')) {\n nextItem();\n }\n break;\n case 'ArrowLeft':\n e.preventDefault();\n if (currentIndex > 0) {\n currentIndex -= 2; \/\/ Will be incremented in nextItem\n nextItem();\n }\n break;\n }\n });\n }\n\n \/\/ Initialize app when DOM is loaded\n document.addEventListener('DOMContentLoaded', function() {\n initializeApp();\n });\n\n \/\/ If DOM is already loaded\n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', initializeApp);\n } else {\n initializeApp();\n }\n\n \/\/ Prevent zoom on double tap for mobile\n let lastTouchEnd = 0;\n document.addEventListener('touchend', function (event) {\n const now = (new Date()).getTime();\n if (now - lastTouchEnd <= 300) {\n event.preventDefault();\n }\n lastTouchEnd = now;\n }, false);\n\n \/\/ Service Worker for offline functionality (optional)\n if ('serviceWorker' in navigator) {\n window.addEventListener('load', function() {\n navigator.serviceWorker.register('\/sw.js').then(function(registration) {\n console.log('SW registered: ', registration);\n }).catch(function(registrationError) {\n console.log('SW registration failed: ', registrationError);\n });\n });\n }\n\n \/\/ Add touch gestures for mobile\n let touchStartX = 0;\n let touchStartY = 0;\n\n document.addEventListener('touchstart', function(e) {\n touchStartX = e.changedTouches[0].screenX;\n touchStartY = e.changedTouches[0].screenY;\n }, false);\n\n document.addEventListener('touchend', function(e) {\n const touchEndX = e.changedTouches[0].screenX;\n const touchEndY = e.changedTouches[0].screenY;\n \n const deltaX = touchEndX - touchStartX;\n const deltaY = touchEndY - touchStartY;\n \n \/\/ Swipe detection (minimum distance of 50px)\n if (Math.abs(deltaX) > Math.abs(deltaY) && Math.abs(deltaX) > 50) {\n if (deltaX > 0) {\n \/\/ Swipe right - previous\n if (currentIndex > 0 && !document.getElementById('nextBtn').classList.contains('hidden')) {\n currentIndex -= 2;\n nextItem();\n }\n } else {\n \/\/ Swipe left - next\n if (!document.getElementById('nextBtn').classList.contains('hidden')) {\n nextItem();\n }\n }\n }\n }, false);\n\n \/\/ Performance optimization - lazy loading for images if any\n if ('IntersectionObserver' in window) {\n const imageObserver = new IntersectionObserver((entries, observer) => {\n entries.forEach(entry => {\n if (entry.isIntersecting) {\n const img = entry.target;\n img.src = img.dataset.src;\n img.classList.remove('lazy');\n imageObserver.unobserve(img);\n }\n });\n });\n\n document.querySelectorAll('img[data-src]').forEach(img => imageObserver.observe(img));\n }\n\n \/\/ Add haptic feedback for mobile devices\n function hapticFeedback(type = 'light') {\n if ('vibrate' in navigator) {\n switch(type) {\n case 'light':\n navigator.vibrate(10);\n break;\n case 'medium':\n navigator.vibrate(20);\n break;\n case 'heavy':\n navigator.vibrate([30, 10, 30]);\n break;\n case 'success':\n navigator.vibrate([100, 30, 100]);\n break;\n case 'error':\n navigator.vibrate([200, 100, 200]);\n break;\n }\n }\n }\n\n \/\/ Enhanced mobile interactions\n function enhancedSelectOption(index) {\n hapticFeedback('light');\n selectOption(index);\n }\n\n function enhancedFlipCard() {\n hapticFeedback('medium');\n flipCard();\n }\n\n function enhancedRateDifficulty(level) {\n if (level === 'easy') hapticFeedback('success');\n else if (level === 'hard') hapticFeedback('error');\n else hapticFeedback('medium');\n rateDifficulty(level);\n }\n\n \/\/ Update click handlers to use enhanced functions\n setTimeout(() => {\n \/\/ Replace flipCard calls with enhanced version\n document.getElementById('flashcard').onclick = enhancedFlipCard;\n \n \/\/ Replace difficulty button handlers\n document.querySelectorAll('.difficulty-btn').forEach(btn => {\n const level = btn.textContent.includes('\u0d0e\u0d33\u0d41\u0d2a\u0d4d\u0d2a\u0d02') ? 'easy' :\n btn.textContent.includes('\u0d07\u0d1f\u0d24\u0d4d\u0d24\u0d30\u0d02') ? 'medium' : 'hard';\n btn.onclick = () => enhancedRateDifficulty(level);\n });\n }, 100);\n\n \/\/ Auto-save progress every 30 seconds\n setInterval(saveUserProgress, 30000);\n\n \/\/ Handle app visibility changes (when user switches tabs\/apps)\n document.addEventListener('visibilitychange', function() {\n if (document.hidden) {\n \/\/ App is hidden - pause timer if running\n if (timerInterval && currentMode === 'challenge') {\n clearInterval(timerInterval);\n }\n saveUserProgress();\n } else {\n \/\/ App is visible - resume timer if needed\n if (currentMode === 'challenge' && timeRemaining > 0 && !timerInterval) {\n startTimer();\n }\n }\n });\n\n \/\/ Handle browser back button\n window.addEventListener('popstate', function(e) {\n if (currentIndex > 0) {\n currentIndex--;\n switch(currentMode) {\n case 'flashcard':\n showFlashcard();\n break;\n case 'quiz':\n showQuizQuestion();\n break;\n case 'challenge':\n showChallengeQuestion();\n break;\n }\n }\n });\n\n \/\/ Add loading states for better UX\n function showLoadingState(element) {\n element.style.opacity = '0.6';\n element.style.pointerEvents = 'none';\n }\n\n function hideLoadingState(element) {\n element.style.opacity = '1';\n element.style.pointerEvents = 'auto';\n }\n\n \/\/ Error handling for localStorage\n function safeLocalStorageSet(key, value) {\n try {\n localStorage.setItem(key, value);\n return true;\n } catch (e) {\n console.warn('localStorage not available:', e);\n return false;\n }\n }\n\n function safeLocalStorageGet(key, defaultValue = null) {\n try {\n return localStorage.getItem(key) || defaultValue;\n } catch (e) {\n console.warn('localStorage not available:', e);\n return defaultValue;\n }\n }\n\n \/\/ Update save\/load functions to use safe localStorage\n function saveUserProgressSafe() {\n safeLocalStorageSet('learningProgress', JSON.stringify(userProgress));\n safeLocalStorageSet('sessionStats', JSON.stringify({\n score: sessionStats.score,\n level: sessionStats.level,\n lastPlayed: new Date().toISOString()\n }));\n }\n\n function loadUserProgressSafe() {\n const saved = safeLocalStorageGet('learningProgress');\n if (saved) {\n try {\n userProgress = JSON.parse(saved);\n } catch (e) {\n console.warn('Error parsing saved progress:', e);\n userProgress = {};\n }\n }\n \n const savedStats = safeLocalStorageGet('sessionStats');\n if (savedStats) {\n try {\n const parsed = JSON.parse(savedStats);\n sessionStats.score = parsed.score || 0;\n sessionStats.level = parsed.level || 1;\n } catch (e) {\n console.warn('Error parsing saved stats:', e);\n }\n }\n }\n\n \/\/ Replace the original functions\n saveUserProgress = saveUserProgressSafe;\n loadUserProgress = loadUserProgressSafe;\n\n \/\/ Add PWA install prompt\n let deferredPrompt;\n \n window.addEventListener('beforeinstallprompt', (e) => {\n e.preventDefault();\n deferredPrompt = e;\n \n \/\/ Show install button (you can customize this)\n const installBtn = document.createElement('button');\n installBtn.className = 'btn btn-secondary';\n installBtn.textContent = '\ud83d\udcf1 \u0d06\u0d2a\u0d4d\u0d2a\u0d4d \u0d07\u0d7b\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d3e\u0d7e \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15';\n installBtn.style.position = 'fixed';\n installBtn.style.bottom = '20px';\n installBtn.style.right = '20px';\n installBtn.style.zIndex = '1000';\n \n installBtn.addEventListener('click', async () => {\n if (deferredPrompt) {\n deferredPrompt.prompt();\n const result = await deferredPrompt.userChoice;\n if (result.outcome === 'accepted') {\n console.log('User accepted the install prompt');\n }\n deferredPrompt = null;\n installBtn.remove();\n }\n });\n \n document.body.appendChild(installBtn);\n \n \/\/ Auto-hide after 10 seconds\n setTimeout(() => {\n if (installBtn && installBtn.parentNode) {\n installBtn.remove();\n }\n }, 10000);\n });\n\n \/\/ Console message for developers\n console.log(`\n \ud83c\udf93 \u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 Learning Tool\n \ud83d\udcf1 Mobile-optimized interactive learning experience\n \ud83d\udd27 Features: Flashcards, Quiz, Challenge, Study modes\n \ud83d\udcbe Progress auto-saved to localStorage\n \u2328\ufe0f Keyboard shortcuts: Space (flip), Arrow keys (navigate)\n \ud83d\udc46 Touch gestures: Swipe left\/right to navigate\n \ud83c\udfaf Built with vanilla JavaScript for maximum compatibility\n \n Total questions: ${learningData.length}\n Categories: ${[...new Set(learningData.map(item => item.category))].length}\n `);\n <\/script>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 – Complete Learning Tool \u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 \u0d2a\u0d20\u0d28 \u0d09\u0d2a\u0d15\u0d30\u0d23\u0d02 \u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d38\u0d4d\u0d35\u0d3e\u0d24\u0d28\u0d4d\u0d24\u0d4d\u0d30\u0d4d\u0d2f\u0d38\u0d2e\u0d30 \u0d15\u0d3e\u0d32\u0d24\u0d4d\u0d24\u0d46 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{"id":2063,"date":"2025-06-14T12:43:14","date_gmt":"2025-06-14T08:43:14","guid":{"rendered":"https:\/\/windowedu.in\/blog\/?p=2063"},"modified":"2025-06-14T12:43:15","modified_gmt":"2025-06-14T08:43:15","slug":"%e0%b4%aa%e0%b4%a4%e0%b5%8d%e0%b4%b0%e0%b4%aa%e0%b5%8d%e0%b4%b0%e0%b4%b5%e0%b5%bc%e0%b4%a4%e0%b5%8d%e0%b4%a4%e0%b4%a8%e0%b4%b5%e0%b5%81%e0%b4%82-%e0%b4%a6%e0%b5%87%e0%b4%b6%e0%b5%80%e0%b4%af%e0%b4%a4","status":"publish","type":"post","link":"https:\/\/windowedu.in\/blog\/?p=2063","title":{"rendered":"\u0d2a\u0d24\u0d4d\u0d30\u0d2a\u0d4d\u0d30\u0d35\u0d7c\u0d24\u0d4d\u0d24\u0d28\u0d35\u0d41\u0d02 \u0d26\u0d47\u0d36\u0d40\u0d2f\u0d24\u0d2f\u0d41\u0d02"},"content":{"rendered":"\n\n\n\n \n \n \u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 – Complete Learning Tool<\/title>\n <style>\n * {\n margin: 0;\n padding: 0;\n box-sizing: border-box;\n }\n \n body {\n font-family: 'Noto Sans Malayalam', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);\n min-height: 100vh;\n padding: 10px;\n }\n \n .learning-app {\n max-width: 100%;\n width: 100%;\n margin: 0 auto;\n background: rgba(255, 255, 255, 0.95);\n border-radius: 20px;\n backdrop-filter: blur(10px);\n box-shadow: 0 20px 40px rgba(0,0,0,0.1);\n overflow: hidden;\n }\n \n \/* Header Section *\/\n .app-header {\n background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);\n color: white;\n padding: 20px;\n text-align: center;\n position: relative;\n }\n \n .app-title {\n font-size: clamp(20px, 5vw, 28px);\n font-weight: bold;\n margin-bottom: 8px;\n }\n \n .app-subtitle {\n font-size: clamp(12px, 3vw, 16px);\n opacity: 0.9;\n }\n \n \/* Navigation *\/\n .nav-tabs {\n display: flex;\n background: rgba(255,255,255,0.1);\n border-radius: 25px;\n margin: 15px 20px 0;\n padding: 5px;\n overflow-x: auto;\n }\n \n .nav-tab {\n flex: 1;\n padding: 10px 15px;\n background: transparent;\n border: none;\n color: white;\n border-radius: 20px;\n cursor: pointer;\n transition: all 0.3s ease;\n font-size: clamp(12px, 2.5vw, 14px);\n white-space: nowrap;\n min-width: 80px;\n }\n \n .nav-tab.active {\n background: white;\n color: #667eea;\n box-shadow: 0 4px 15px rgba(0,0,0,0.1);\n }\n \n \/* Stats Bar *\/\n .stats-bar {\n display: grid;\n grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));\n gap: 10px;\n padding: 15px 20px;\n background: rgba(255,255,255,0.1);\n color: white;\n }\n \n .stat-item {\n text-align: center;\n padding: 8px;\n border-radius: 10px;\n background: rgba(255,255,255,0.1);\n }\n \n .stat-number {\n display: block;\n font-size: clamp(16px, 4vw, 24px);\n font-weight: bold;\n margin-bottom: 2px;\n }\n \n .stat-label {\n font-size: clamp(10px, 2.5vw, 12px);\n opacity: 0.9;\n }\n \n \/* Content Area *\/\n .content-area {\n padding: 20px;\n min-height: 60vh;\n }\n \n \/* Flashcard Mode *\/\n .flashcard-container {\n perspective: 1000px;\n margin-bottom: 20px;\n }\n \n .flashcard {\n width: 100%;\n height: clamp(200px, 40vh, 300px);\n position: relative;\n transform-style: preserve-3d;\n transition: transform 0.6s;\n cursor: pointer;\n }\n \n .flashcard.flipped {\n transform: rotateY(180deg);\n }\n \n .card-face {\n position: absolute;\n width: 100%;\n height: 100%;\n backface-visibility: hidden;\n border-radius: 15px;\n display: flex;\n align-items: center;\n justify-content: center;\n text-align: center;\n padding: 20px;\n box-shadow: 0 10px 30px rgba(0,0,0,0.1);\n }\n \n .card-front {\n background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);\n color: white;\n }\n \n .card-back {\n background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);\n color: white;\n transform: rotateY(180deg);\n }\n \n .card-text {\n font-size: clamp(16px, 4vw, 20px);\n line-height: 1.4;\n font-weight: 500;\n }\n \n \/* Quiz Mode *\/\n .quiz-container {\n max-width: 100%;\n }\n \n .question-card {\n background: white;\n border-radius: 15px;\n padding: 20px;\n margin-bottom: 20px;\n box-shadow: 0 8px 25px rgba(0,0,0,0.1);\n }\n \n .question-number {\n background: #667eea;\n color: white;\n padding: 5px 15px;\n border-radius: 20px;\n font-size: clamp(12px, 3vw, 14px);\n display: inline-block;\n margin-bottom: 15px;\n }\n \n .question-text {\n font-size: clamp(16px, 4vw, 18px);\n font-weight: 600;\n margin-bottom: 20px;\n line-height: 1.5;\n color: #2c3e50;\n }\n \n .options-container {\n display: grid;\n gap: 12px;\n }\n \n .option {\n background: #f8f9fa;\n border: 2px solid #e9ecef;\n border-radius: 12px;\n padding: 15px;\n cursor: pointer;\n transition: all 0.3s ease;\n display: flex;\n align-items: center;\n font-size: clamp(14px, 3.5vw, 16px);\n }\n \n .option:hover {\n background: #e3f2fd;\n border-color: #2196f3;\n transform: translateX(5px);\n }\n \n .option.selected {\n background: #bbdefb;\n border-color: #1976d2;\n }\n \n .option.correct {\n background: #c8e6c9;\n border-color: #4caf50;\n color: #2e7d32;\n }\n \n .option.wrong {\n background: #ffcdd2;\n border-color: #f44336;\n color: #c62828;\n }\n \n .option-letter {\n width: 30px;\n height: 30px;\n background: #2196f3;\n color: white;\n border-radius: 50%;\n display: flex;\n align-items: center;\n justify-content: center;\n margin-right: 12px;\n font-weight: bold;\n font-size: 14px;\n flex-shrink: 0;\n }\n \n \/* Timer *\/\n .timer-display {\n background: rgba(255,87,108,0.1);\n color: #f5576c;\n padding: 10px 20px;\n border-radius: 25px;\n font-size: clamp(16px, 4vw, 20px);\n font-weight: bold;\n text-align: center;\n margin-bottom: 20px;\n }\n \n .timer-warning {\n animation: pulse 1s infinite;\n background: rgba(255,87,108,0.2);\n }\n \n \/* Progress Bar *\/\n .progress-container {\n background: #e9ecef;\n height: 8px;\n border-radius: 4px;\n margin: 15px 0;\n overflow: hidden;\n }\n \n .progress-bar {\n background: linear-gradient(90deg, #4caf50, #8bc34a);\n height: 100%;\n border-radius: 4px;\n transition: width 0.5s ease;\n width: 0%;\n }\n \n \/* Buttons *\/\n .controls {\n display: flex;\n flex-wrap: wrap;\n gap: 10px;\n justify-content: center;\n margin-top: 20px;\n }\n \n .btn {\n background: #4caf50;\n color: white;\n border: none;\n padding: 12px 24px;\n border-radius: 25px;\n cursor: pointer;\n font-size: clamp(14px, 3.5vw, 16px);\n font-weight: 500;\n transition: all 0.3s ease;\n box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);\n min-width: 120px;\n }\n \n .btn:hover {\n background: #45a049;\n transform: translateY(-2px);\n box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);\n }\n \n .btn:disabled {\n background: #bdbdbd;\n cursor: not-allowed;\n transform: none;\n box-shadow: none;\n }\n \n .btn-secondary {\n background: #2196f3;\n box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);\n }\n \n .btn-secondary:hover {\n background: #1976d2;\n box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);\n }\n \n .btn-warning {\n background: #ff9800;\n box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);\n }\n \n .btn-warning:hover {\n background: #f57c00;\n box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);\n }\n \n \/* Feedback *\/\n .feedback {\n padding: 15px;\n border-radius: 12px;\n margin: 15px 0;\n text-align: center;\n font-weight: 500;\n font-size: clamp(14px, 3.5vw, 16px);\n }\n \n .feedback.success {\n background: #c8e6c9;\n color: #2e7d32;\n border: 2px solid #4caf50;\n }\n \n .feedback.error {\n background: #ffcdd2;\n color: #c62828;\n border: 2px solid #f44336;\n }\n \n \/* Results *\/\n .results-container {\n text-align: center;\n padding: 20px;\n background: white;\n border-radius: 15px;\n box-shadow: 0 8px 25px rgba(0,0,0,0.1);\n }\n \n .results-title {\n font-size: clamp(20px, 5vw, 24px);\n color: #2c3e50;\n margin-bottom: 20px;\n }\n \n .achievement {\n background: linear-gradient(135deg, #ffd700, #ffed4e);\n color: #333;\n padding: 8px 16px;\n border-radius: 20px;\n display: inline-block;\n margin: 5px;\n font-weight: bold;\n font-size: clamp(12px, 3vw, 14px);\n box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);\n }\n \n \/* Hidden state *\/\n .hidden {\n display: none;\n }\n \n \/* Difficulty Rating *\/\n .difficulty-rating {\n display: flex;\n justify-content: center;\n gap: 10px;\n margin: 15px 0;\n flex-wrap: wrap;\n }\n \n .difficulty-btn {\n padding: 8px 16px;\n border: none;\n border-radius: 20px;\n cursor: pointer;\n font-size: clamp(12px, 3vw, 14px);\n font-weight: 500;\n transition: all 0.3s ease;\n min-width: 80px;\n }\n \n .difficulty-easy {\n background: #4caf50;\n color: white;\n }\n \n .difficulty-medium {\n background: #ff9800;\n color: white;\n }\n \n .difficulty-hard {\n background: #f44336;\n color: white;\n }\n \n \/* Animations *\/\n @keyframes pulse {\n 0% { transform: scale(1); opacity: 1; }\n 50% { transform: scale(1.05); opacity: 0.8; }\n 100% { transform: scale(1); opacity: 1; }\n }\n \n @keyframes slideIn {\n from { opacity: 0; transform: translateY(20px); }\n to { opacity: 1; transform: translateY(0); }\n }\n \n .slide-in {\n animation: slideIn 0.5s ease-out;\n }\n \n \/* Mobile Specific Improvements *\/\n @media (max-width: 768px) {\n body {\n padding: 5px;\n }\n \n .app-header {\n padding: 15px;\n }\n \n .content-area {\n padding: 15px;\n }\n \n .nav-tabs {\n margin: 10px 15px 0;\n }\n \n .stats-bar {\n padding: 10px 15px;\n grid-template-columns: repeat(4, 1fr);\n }\n \n .flashcard {\n height: clamp(180px, 35vh, 250px);\n }\n \n .card-face {\n padding: 15px;\n }\n \n .controls {\n flex-direction: column;\n align-items: stretch;\n }\n \n .btn {\n width: 100%;\n margin-bottom: 10px;\n }\n \n .options-container .option {\n padding: 12px;\n }\n \n .option-letter {\n width: 25px;\n height: 25px;\n font-size: 12px;\n margin-right: 10px;\n }\n }\n \n \/* Touch interactions *\/\n @media (hover: none) and (pointer: coarse) {\n .option:hover,\n .btn:hover,\n .nav-tab:hover {\n transform: none;\n }\n \n .option:active,\n .btn:active {\n transform: scale(0.98);\n }\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"learning-app\">\n \n <div class=\"app-header\">\n <h1 class=\"app-title\">\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 \u0d2a\u0d20\u0d28 \u0d09\u0d2a\u0d15\u0d30\u0d23\u0d02<\/h1>\n <p class=\"app-subtitle\">\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d38\u0d4d\u0d35\u0d3e\u0d24\u0d28\u0d4d\u0d24\u0d4d\u0d30\u0d4d\u0d2f\u0d38\u0d2e\u0d30 \u0d15\u0d3e\u0d32\u0d24\u0d4d\u0d24\u0d46 \u0d2a\u0d4d\u0d30\u0d38\u0d3f\u0d26\u0d4d\u0d27\u0d40\u0d15\u0d30\u0d23\u0d19\u0d4d\u0d19\u0d7e<\/p>\n \n \n <div class=\"nav-tabs\">\n <button class=\"nav-tab active\" onclick=\"switchMode('flashcard')\">\ud83d\udcda \u0d2b\u0d4d\u0d32\u0d3e\u0d37\u0d4d\u0d15\u0d3e\u0d7c\u0d21\u0d4d<\/button>\n <button class=\"nav-tab\" onclick=\"switchMode('quiz')\">\ud83c\udfaf \u0d15\u0d4d\u0d35\u0d3f\u0d38\u0d4d<\/button>\n <button class=\"nav-tab\" onclick=\"switchMode('challenge')\">\u26a1 \u0d1a\u0d3e\u0d32\u0d1e\u0d4d\u0d1a\u0d4d<\/button>\n <button class=\"nav-tab\" onclick=\"switchMode('study')\">\ud83d\udcd6 \u0d2a\u0d20\u0d28\u0d02<\/button>\n <\/div>\n \n \n <div class=\"stats-bar\">\n <div class=\"stat-item\">\n <span class=\"stat-number\" id=\"totalScore\">0<\/span>\n <span class=\"stat-label\">\u0d38\u0d4d\u0d15\u0d4b\u0d7c<\/span>\n <\/div>\n <div class=\"stat-item\">\n <span class=\"stat-number\" id=\"currentLevel\">1<\/span>\n <span class=\"stat-label\">\u0d32\u0d46\u0d35\u0d7d<\/span>\n <\/div>\n <div class=\"stat-item\">\n <span class=\"stat-number\" id=\"streakCount\">0<\/span>\n <span class=\"stat-label\">\u0d38\u0d4d\u0d1f\u0d4d\u0d30\u0d40\u0d15\u0d4d<\/span>\n <\/div>\n <div class=\"stat-item\">\n <span class=\"stat-number\" id=\"accuracyRate\">0%<\/span>\n <span class=\"stat-label\">\u0d15\u0d43\u0d24\u0d4d\u0d2f\u0d24<\/span>\n <\/div>\n <\/div>\n <\/div>\n \n \n <div class=\"content-area\">\n \n <div class=\"progress-container\">\n <div class=\"progress-bar\" id=\"progressBar\"><\/div>\n <\/div>\n \n \n <div class=\"timer-display hidden\" id=\"timerDisplay\">\n \u23f1\ufe0f <span id=\"timeRemaining\">05:00<\/span>\n <\/div>\n \n \n <div id=\"flashcardMode\" class=\"mode-content\">\n <div class=\"flashcard-container\">\n <div class=\"flashcard\" id=\"flashcard\" onclick=\"flipCard()\">\n <div class=\"card-face card-front\">\n <div class=\"card-text\" id=\"cardFront\">\n \u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d3e\u0d7b “\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15” \u0d15\u0d4d\u0d32\u0d3f\u0d15\u0d4d\u0d15\u0d4d \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15\n <\/div>\n <\/div>\n <div class=\"card-face card-back\">\n <div class=\"card-text\" id=\"cardBack\">\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n \n <div class=\"difficulty-rating hidden\" id=\"difficultyRating\">\n <p style=\"width: 100%; text-align: center; margin-bottom: 10px; color: #666;\">\u0d08 \u0d15\u0d3e\u0d7c\u0d21\u0d4d \u0d0e\u0d24\u0d4d\u0d30 \u0d2c\u0d41\u0d26\u0d4d\u0d27\u0d3f\u0d2e\u0d41\u0d1f\u0d4d\u0d1f\u0d3e\u0d2f\u0d3f\u0d30\u0d41\u0d28\u0d4d\u0d28\u0d41?<\/p>\n <button class=\"difficulty-btn difficulty-easy\" onclick=\"rateDifficulty('easy')\">\ud83d\ude0a \u0d0e\u0d33\u0d41\u0d2a\u0d4d\u0d2a\u0d02<\/button>\n <button class=\"difficulty-btn difficulty-medium\" onclick=\"rateDifficulty('medium')\">\ud83e\udd14 \u0d07\u0d1f\u0d24\u0d4d\u0d24\u0d30\u0d02<\/button>\n <button class=\"difficulty-btn difficulty-hard\" onclick=\"rateDifficulty('hard')\">\ud83d\ude30 \u0d2c\u0d41\u0d26\u0d4d\u0d27\u0d3f\u0d2e\u0d41\u0d1f\u0d4d\u0d1f\u0d4d<\/button>\n <\/div>\n <\/div>\n \n \n <div id=\"quizMode\" class=\"mode-content hidden\">\n <div class=\"question-card\">\n <div class=\"question-number\" id=\"questionNumber\">\u0d1a\u0d4b\u0d26\u0d4d\u0d2f\u0d02 1<\/div>\n <div class=\"question-text\" id=\"questionText\">\n \u0d15\u0d4d\u0d35\u0d3f\u0d38\u0d4d \u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d3e\u0d7b “\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15” \u0d15\u0d4d\u0d32\u0d3f\u0d15\u0d4d\u0d15\u0d4d \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15\n <\/div>\n <div class=\"options-container\" id=\"optionsContainer\">\n \n <\/div>\n <\/div>\n \n <div class=\"feedback hidden\" id=\"feedbackMessage\"><\/div>\n <\/div>\n \n \n <div id=\"challengeMode\" class=\"mode-content hidden\">\n <div class=\"question-card\">\n <div class=\"question-number\">\u26a1 \u0d38\u0d4d\u0d2a\u0d40\u0d21\u0d4d \u0d1a\u0d3e\u0d32\u0d1e\u0d4d\u0d1a\u0d4d<\/div>\n <div class=\"question-text\" id=\"challengeQuestion\">\n 2 \u0d2e\u0d3f\u0d28\u0d3f\u0d31\u0d4d\u0d31\u0d3f\u0d28\u0d41\u0d33\u0d4d\u0d33\u0d3f\u0d7d \u0d0e\u0d24\u0d4d\u0d30 \u0d1a\u0d4b\u0d26\u0d4d\u0d2f\u0d19\u0d4d\u0d19\u0d7e\u0d15\u0d4d\u0d15\u0d4d \u0d09\u0d24\u0d4d\u0d24\u0d30\u0d02 \u0d28\u0d7d\u0d15\u0d3e\u0d7b \u0d15\u0d34\u0d3f\u0d2f\u0d41\u0d02?\n <\/div>\n <div class=\"options-container\" id=\"challengeOptions\">\n \n <\/div>\n <\/div>\n <\/div>\n \n \n <div id=\"studyMode\" class=\"mode-content hidden\">\n <div class=\"question-card\">\n <div class=\"question-number\">\ud83d\udcd6 \u0d2a\u0d20\u0d28 \u0d2e\u0d4b\u0d21\u0d4d<\/div>\n <div class=\"question-text\">\n \u0d0e\u0d32\u0d4d\u0d32\u0d3e \u0d2a\u0d4d\u0d30\u0d38\u0d3f\u0d26\u0d4d\u0d27\u0d40\u0d15\u0d30\u0d23\u0d19\u0d4d\u0d19\u0d33\u0d41\u0d02 \u0d05\u0d35\u0d2f\u0d41\u0d1f\u0d46 \u0d38\u0d4d\u0d25\u0d3e\u0d2a\u0d15\u0d30\u0d41\u0d02 \u0d2a\u0d20\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15\n <\/div>\n <div id=\"studyContent\">\n \n <\/div>\n <\/div>\n <\/div>\n \n \n <div id=\"resultsContainer\" class=\"results-container hidden\">\n <h2 class=\"results-title\">\ud83c\udf89 \u0d2b\u0d32\u0d02<\/h2>\n <div id=\"resultsContent\"><\/div>\n <div id=\"achievementsContainer\"><\/div>\n <\/div>\n \n \n <div class=\"controls\">\n <button class=\"btn\" id=\"startBtn\" onclick=\"startCurrentMode()\">\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15<\/button>\n <button class=\"btn btn-secondary hidden\" id=\"nextBtn\" onclick=\"nextItem()\">\u0d05\u0d1f\u0d41\u0d24\u0d4d\u0d24\u0d24\u0d4d<\/button>\n <button class=\"btn btn-warning hidden\" id=\"skipBtn\" onclick=\"skipItem()\">\u0d12\u0d34\u0d3f\u0d35\u0d3e\u0d15\u0d4d\u0d15\u0d41\u0d15<\/button>\n <button class=\"btn btn-secondary hidden\" id=\"restartBtn\" onclick=\"restartApp()\">\u0d2a\u0d41\u0d28\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15<\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n \/\/ Learning Data\n const learningData = [\n {\n question: \"\u0d38\u0d02\u0d2c\u0d3e\u0d26\u0d4d \u0d15\u0d57\u0d2e\u0d41\u0d26\u0d3f, \u0d2e\u0d3f\u0d31\u0d3e\u0d24\u0d4d\u0d24\u0d4d-\u0d09\u0d7d-\u0d05\u0d15\u0d4d\u0d2c\u0d7c\",\n answer: \"\u0d30\u0d3e\u0d1c\u0d3e\u0d31\u0d3e\u0d02 \u0d2e\u0d4b\u0d39\u0d7b \u0d31\u0d4b\u0d2f\u0d4d\",\n options: [\"\u0d30\u0d3e\u0d1c\u0d3e\u0d31\u0d3e\u0d02 \u0d2e\u0d4b\u0d39\u0d7b \u0d31\u0d4b\u0d2f\u0d4d\", \"\u0d08\u0d36\u0d4d\u0d35\u0d30\u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d35\u0d3f\u0d26\u0d4d\u0d2f\u0d3e\u0d38\u0d3e\u0d17\u0d7c\", \"\u0d26\u0d47\u0d2c\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25 \u0d1f\u0d3e\u0d17\u0d4b\u0d7c\", \"\u0d15\u0d47\u0d36\u0d2c\u0d4d \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d38\u0d46\u0d7b\"],\n correct: 0,\n explanation: \"\u0d30\u0d3e\u0d1c\u0d3e\u0d31\u0d3e\u0d02 \u0d2e\u0d4b\u0d39\u0d7b \u0d31\u0d4b\u0d2f\u0d4d \u0d2c\u0d02\u0d17\u0d3e\u0d33\u0d3f \u0d28\u0d35\u0d4b\u0d24\u0d4d\u0d25\u0d3e\u0d28\u0d24\u0d4d\u0d24\u0d3f\u0d28\u0d4d\u0d31\u0d46 \u0d2a\u0d3f\u0d24\u0d3e\u0d35\u0d3e\u0d2f\u0d3f \u0d15\u0d23\u0d15\u0d4d\u0d15\u0d3e\u0d15\u0d4d\u0d15\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d41\u0d28\u0d4d\u0d28\u0d41\",\n category: \"\u0d38\u0d3e\u0d2e\u0d42\u0d39\u0d3f\u0d15 \u0d2a\u0d30\u0d3f\u0d37\u0d4d\u0d15\u0d7c\u0d24\u0d4d\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2a\u0d4d\u0d30\u0d2c\u0d41\u0d26\u0d4d\u0d27\u0d2d\u0d3e\u0d30\u0d24\u0d4d, \u0d09\u0d26\u0d4d\u0d2c\u0d4b\u0d27\u0d7b\",\n answer: \"\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d35\u0d3f\u0d35\u0d47\u0d15\u0d3e\u0d28\u0d28\u0d4d\u0d26\u0d7b\",\n options: [\"\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d35\u0d3f\u0d35\u0d47\u0d15\u0d3e\u0d28\u0d28\u0d4d\u0d26\u0d7b\", \"\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d26\u0d2f\u0d3e\u0d28\u0d28\u0d4d\u0d26 \u0d38\u0d30\u0d38\u0d4d\u0d35\u0d24\u0d3f\", \"\u0d30\u0d3e\u0d2e\u0d15\u0d43\u0d37\u0d4d\u0d23 \u0d2a\u0d30\u0d2e\u0d39\u0d02\u0d38\u0d7b\", \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\"],\n correct: 0,\n explanation: \"\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d35\u0d3f\u0d35\u0d47\u0d15\u0d3e\u0d28\u0d28\u0d4d\u0d26\u0d7b \u0d30\u0d3e\u0d2e\u0d15\u0d43\u0d37\u0d4d\u0d23 \u0d2e\u0d3f\u0d37\u0d28\u0d4d\u0d31\u0d46 \u0d38\u0d4d\u0d25\u0d3e\u0d2a\u0d15\u0d28\u0d3e\u0d23\u0d4d\",\n category: \"\u0d06\u0d24\u0d4d\u0d2e\u0d40\u0d2f \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2f\u0d19\u0d4d \u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f, \u0d39\u0d30\u0d3f\u0d1c\u0d7b, \u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d12\u0d2a\u0d4d\u0d2a\u0d40\u0d28\u0d3f\u0d2f\u0d7b, \u0d28\u0d35\u0d1c\u0d40\u0d35\u0d7b\",\n answer: \"\u0d2e\u0d39\u0d3e\u0d24\u0d4d\u0d2e\u0d3e\u0d17\u0d3e\u0d28\u0d4d\u0d27\u0d3f\",\n options: [\"\u0d2e\u0d39\u0d3e\u0d24\u0d4d\u0d2e\u0d3e\u0d17\u0d3e\u0d28\u0d4d\u0d27\u0d3f\", \"\u0d1c\u0d35\u0d39\u0d7c\u0d32\u0d3e\u0d7d \u0d28\u0d46\u0d39\u0d4d\u0d31\u0d41\", \"\u0d38\u0d30\u0d26\u0d3e\u0d7c \u0d2a\u0d1f\u0d4d\u0d1f\u0d47\u0d7d\", \"\u0d2e\u0d57\u0d32\u0d3e\u0d28 \u0d06\u0d38\u0d3e\u0d26\u0d4d\"],\n correct: 0,\n explanation: \"\u0d17\u0d3e\u0d28\u0d4d\u0d27\u0d3f\u0d1c\u0d3f \u0d05\u0d39\u0d3f\u0d02\u0d38\u0d2f\u0d41\u0d1f\u0d46\u0d2f\u0d41\u0d02 \u0d38\u0d24\u0d4d\u0d2f\u0d3e\u0d17\u0d4d\u0d30\u0d39\u0d24\u0d4d\u0d24\u0d3f\u0d28\u0d4d\u0d31\u0d46\u0d2f\u0d41\u0d02 \u0d2a\u0d4d\u0d30\u0d35\u0d15\u0d4d\u0d24\u0d3e\u0d35\u0d3e\u0d2f\u0d3f\u0d30\u0d41\u0d28\u0d4d\u0d28\u0d41\",\n category: \"\u0d26\u0d47\u0d36\u0d40\u0d2f \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d15\u0d47\u0d38\u0d30\u0d3f, \u0d2e\u0d31\u0d3e\u0d24\u0d4d\u0d24\",\n answer: \"\u0d2c\u0d3e\u0d32\u0d17\u0d02\u0d17\u0d3e\u0d27\u0d30 \u0d24\u0d3f\u0d32\u0d15\u0d4d\",\n options: [\"\u0d2c\u0d3e\u0d32\u0d17\u0d02\u0d17\u0d3e\u0d27\u0d30 \u0d24\u0d3f\u0d32\u0d15\u0d4d\", \"\u0d17\u0d4b\u0d2a\u0d3e\u0d32\u0d15\u0d43\u0d37\u0d4d\u0d23 \u0d17\u0d4b\u0d16\u0d32\u0d46\", \"\u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\"],\n correct: 0,\n explanation: \"'\u0d38\u0d4d\u0d35\u0d30\u0d3e\u0d1c\u0d4d \u0d0e\u0d28\u0d4d\u0d31\u0d46 \u0d1c\u0d28\u0d4d\u0d2e\u0d3e\u0d35\u0d15\u0d3e\u0d36\u0d2e\u0d3e\u0d23\u0d4d' \u0d0e\u0d28\u0d4d\u0d28\u0d4d \u0d2a\u0d4d\u0d30\u0d16\u0d4d\u0d2f\u0d3e\u0d2a\u0d3f\u0d1a\u0d4d\u0d1a \u0d24\u0d3f\u0d32\u0d15\u0d4d\",\n category: \"\u0d24\u0d40\u0d35\u0d4d\u0d30 \u0d26\u0d47\u0d36\u0d40\u0d2f\u0d35\u0d3e\u0d26\u0d3f\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2c\u0d39\u0d3f\u0d37\u0d4d\u0d15\u0d43\u0d24 \u0d2d\u0d3e\u0d30\u0d24\u0d4d, \u0d2e\u0d42\u0d15\u0d4d\u0d28\u0d3e\u0d2f\u0d15\u0d4d\",\n answer: \"\u0d21\u0d4b. \u0d2c\u0d3f.\u0d06\u0d7c. \u0d05\u0d02\u0d2c\u0d47\u0d26\u0d4d\u200c\u0d15\u0d7c\",\n options: [\"\u0d21\u0d4b. \u0d2c\u0d3f.\u0d06\u0d7c. \u0d05\u0d02\u0d2c\u0d47\u0d26\u0d4d\u200c\u0d15\u0d7c\", \"\u0d1c\u0d4d\u0d2f\u0d4b\u0d24\u0d3f\u0d2c\u0d3e \u0d2b\u0d42\u0d32\u0d46\", \"\u0d30\u0d3e\u0d2e\u0d38\u0d4d\u0d35\u0d3e\u0d2e\u0d3f \u0d28\u0d3e\u0d2f\u0d3f\u0d21\u0d41\", \"\u0d2a\u0d46\u0d30\u0d3f\u0d2f\u0d3e\u0d7c\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d2d\u0d30\u0d23\u0d18\u0d1f\u0d28\u0d2f\u0d41\u0d1f\u0d46 \u0d2a\u0d3f\u0d24\u0d3e\u0d35\u0d4d \u0d0e\u0d28\u0d4d\u0d28\u0d31\u0d3f\u0d2f\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d41\u0d28\u0d4d\u0d28 \u0d05\u0d02\u0d2c\u0d47\u0d26\u0d4d\u200c\u0d15\u0d7c\",\n category: \"\u0d26\u0d32\u0d3f\u0d24\u0d4d \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d28\u0d4d\u0d2f\u0d42 \u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f, \u0d15\u0d4b\u0d2e\u0d7a \u0d35\u0d40\u0d7d\",\n answer: \"\u0d06\u0d28\u0d3f\u0d2c\u0d38\u0d28\u0d4d\u0d31\u0d4d\",\n options: [\"\u0d06\u0d28\u0d3f\u0d2c\u0d38\u0d28\u0d4d\u0d31\u0d4d\", \"\u0d38\u0d3f\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d7c \u0d28\u0d3f\u0d35\u0d47\u0d26\u0d3f\u0d24\u0d3e\", \"\u0d2e\u0d3e\u0d7c\u0d17\u0d30\u0d31\u0d4d\u0d31\u0d4d \u0d15\u0d38\u0d3f\u0d7b\u0d38\u0d4d\", \"\u0d2e\u0d47\u0d30\u0d3f \u0d15\u0d3e\u0d7c\u0d2a\u0d46\u0d28\u0d4d\u0d31\u0d7c\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d26\u0d47\u0d36\u0d40\u0d2f \u0d15\u0d4b\u0d7a\u0d17\u0d4d\u0d30\u0d38\u0d3f\u0d28\u0d4d\u0d31\u0d46 \u0d06\u0d26\u0d4d\u0d2f\u0d24\u0d4d\u0d24\u0d46 \u0d35\u0d28\u0d3f\u0d24\u0d3e \u0d2a\u0d4d\u0d30\u0d38\u0d3f\u0d21\u0d28\u0d4d\u0d31\u0d4d\",\n category: \"\u0d35\u0d3f\u0d26\u0d47\u0d36\u0d3f \u0d2a\u0d3f\u0d28\u0d4d\u0d24\u0d41\u0d23\u0d15\u0d4d\u0d15\u0d3e\u0d7c\"\n },\n {\n question: \"\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 (\u0d09\u0d7c\u0d26\u0d41)\",\n answer: \"\u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d (\u0d32\u0d3e\u0d39\u0d4b\u0d7c)\",\n options: [\"\u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\", \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d2c\u0d3e\u0d32\u0d17\u0d02\u0d17\u0d3e\u0d27\u0d30 \u0d24\u0d3f\u0d32\u0d15\u0d4d\"],\n correct: 0,\n explanation: \"\u0d2a\u0d1e\u0d4d\u0d1a\u0d3e\u0d2c\u0d4d \u0d15\u0d47\u0d36\u0d30\u0d3f \u0d0e\u0d28\u0d4d\u0d28\u0d31\u0d3f\u0d2f\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d4d\u0d1f \u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d\",\n category: \"\u0d2a\u0d4d\u0d30\u0d3e\u0d26\u0d47\u0d36\u0d3f\u0d15 \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2c\u0d02\u0d17\u0d3e\u0d7e \u0d17\u0d38\u0d31\u0d4d\u0d31\u0d4d (\u0d15\u0d7d\u0d15\u0d4d\u0d15\u0d1f\u0d4d\u0d1f \u0d1c\u0d28\u0d31\u0d7d \u0d05\u0d21\u0d4d\u0d35\u0d38\u0d7c)\",\n answer: \"\u0d1c\u0d2f\u0d3f\u0d02\u0d38\u0d4d \u0d05\u0d17\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d38\u0d4d \u0d39\u0d3f\u0d15\u0d4d\u0d15\u0d3f\",\n options: [\"\u0d1c\u0d2f\u0d3f\u0d02\u0d38\u0d4d \u0d05\u0d17\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d38\u0d4d \u0d39\u0d3f\u0d15\u0d4d\u0d15\u0d3f\", \"\u0d1c\u0d4b\u0d7a \u0d15\u0d4d\u0d32\u0d3e\u0d7c\u0d15\u0d4d\u0d15\u0d4d \u0d2e\u0d3e\u0d7c\u0d37\u0d4d\u0d2e\u0d3e\u0d7b\", \"\u0d35\u0d3f\u0d32\u0d4d\u0d2f\u0d02 \u0d15\u0d3e\u0d30\u0d3f\", \"\u0d1c\u0d4b\u0d37\u0d4d\u0d35 \u0d2e\u0d3e\u0d7c\u0d37\u0d4d\u0d2e\u0d3e\u0d7b\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d2f\u0d3f\u0d32\u0d46 \u0d06\u0d26\u0d4d\u0d2f\u0d24\u0d4d\u0d24\u0d46 \u0d2a\u0d24\u0d4d\u0d30\u0d02 1780-\u0d7d \u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d1a\u0d4d\u0d1a\u0d41\",\n category: \"\u0d06\u0d26\u0d4d\u0d2f\u0d15\u0d3e\u0d32 \u0d2a\u0d24\u0d4d\u0d30\u0d2a\u0d4d\u0d30\u0d35\u0d7c\u0d24\u0d4d\u0d24\u0d15\u0d7c\"\n },\n {\n question: \"\u0d28\u0d3e\u0d37\u0d23\u0d7d \u0d39\u0d46\u0d31\u0d3e\u0d7e\u0d21\u0d4d\",\n answer: \"\u0d1c\u0d35\u0d39\u0d7c\u0d32\u0d3e\u0d7d \u0d28\u0d46\u0d39\u0d4d\u0d31\u0d41\",\n options: [\"\u0d1c\u0d35\u0d39\u0d7c\u0d32\u0d3e\u0d7d \u0d28\u0d46\u0d39\u0d4d\u0d31\u0d41\", \"\u0d2e\u0d39\u0d3e\u0d24\u0d4d\u0d2e\u0d3e\u0d17\u0d3e\u0d28\u0d4d\u0d27\u0d3f\", \"\u0d38\u0d30\u0d26\u0d3e\u0d7c \u0d2a\u0d1f\u0d4d\u0d1f\u0d47\u0d7d\", \"\u0d2e\u0d57\u0d32\u0d3e\u0d28 \u0d06\u0d38\u0d3e\u0d26\u0d4d\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d2f\u0d41\u0d1f\u0d46 \u0d06\u0d26\u0d4d\u0d2f \u0d2a\u0d4d\u0d30\u0d27\u0d3e\u0d28\u0d2e\u0d28\u0d4d\u0d24\u0d4d\u0d30\u0d3f \u0d1c\u0d35\u0d39\u0d7c\u0d32\u0d3e\u0d7d \u0d28\u0d46\u0d39\u0d4d\u0d31\u0d41\",\n category: \"\u0d15\u0d4b\u0d7a\u0d17\u0d4d\u0d30\u0d38\u0d4d \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2c\u0d02\u0d17\u0d3e\u0d33\u0d3f\",\n answer: \"\u0d38\u0d41\u0d30\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25\u0d4d \u0d2c\u0d3e\u0d28\u0d7c\u0d1c\u0d3f\",\n options: [\"\u0d38\u0d41\u0d30\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25\u0d4d \u0d2c\u0d3e\u0d28\u0d7c\u0d1c\u0d3f\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\", \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d2c\u0d30\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d15\u0d41\u0d2e\u0d3e\u0d7c \u0d18\u0d4b\u0d37\u0d4d\"],\n correct: 0,\n explanation: \"\u0d2c\u0d02\u0d17\u0d3e\u0d7e \u0d35\u0d3f\u0d2d\u0d1c\u0d28\u0d24\u0d4d\u0d24\u0d3f\u0d28\u0d46\u0d24\u0d3f\u0d30\u0d46 \u0d2a\u0d4b\u0d30\u0d3e\u0d1f\u0d3f\u0d2f \u0d28\u0d47\u0d24\u0d3e\u0d35\u0d4d\",\n category: \"\u0d2c\u0d02\u0d17\u0d3e\u0d7e \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d05\u0d7d\u0d39\u0d3f\u0d32\u0d3e\u0d7d\",\n answer: \"\u0d2e\u0d57\u0d32\u0d3e\u0d28 \u0d05\u0d2c\u0d41\u0d7e \u0d15\u0d32\u0d3e\u0d02 \u0d06\u0d38\u0d3e\u0d26\u0d4d\",\n options: [\"\u0d2e\u0d57\u0d32\u0d3e\u0d28 \u0d05\u0d2c\u0d41\u0d7e \u0d15\u0d32\u0d3e\u0d02 \u0d06\u0d38\u0d3e\u0d26\u0d4d\", \"\u0d2e\u0d57\u0d32\u0d3e\u0d28\u0d3e \u0d2e\u0d41\u0d39\u0d2e\u0d4d\u0d2e\u0d26\u0d4d \u0d05\u0d32\u0d3f\", \"\u0d16\u0d3e\u0d7b \u0d05\u0d2c\u0d4d\u0d26\u0d41\u0d7d \u0d17\u0d2b\u0d3e\u0d7c \u0d16\u0d3e\u0d7b\", \"\u0d05\u0d36\u0d4d\u0d2b\u0d3e\u0d16\u0d41\u0d33\u0d4d\u0d33 \u0d16\u0d3e\u0d7b\"],\n correct: 0,\n explanation: \"\u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d2f\u0d41\u0d1f\u0d46 \u0d06\u0d26\u0d4d\u0d2f \u0d35\u0d3f\u0d26\u0d4d\u0d2f\u0d3e\u0d2d\u0d4d\u0d2f\u0d3e\u0d38 \u0d2e\u0d28\u0d4d\u0d24\u0d4d\u0d30\u0d3f\",\n category: \"\u0d2e\u0d41\u0d38\u0d4d\u200c\u0d32\u0d3f\u0d02 \u0d28\u0d47\u0d24\u0d3e\u0d15\u0d4d\u0d15\u0d7e\"\n },\n {\n question: \"\u0d2c\u0d02\u0d17\u0d3e \u0d26\u0d7c\u0d36\u0d7b\",\n answer: \"\u0d2c\u0d19\u0d4d\u0d15\u0d3f\u0d02 \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d1a\u0d3e\u0d31\u0d4d\u0d31\u0d7c\u0d1c\u0d3f\",\n options: [\"\u0d2c\u0d19\u0d4d\u0d15\u0d3f\u0d02 \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d1a\u0d3e\u0d31\u0d4d\u0d31\u0d7c\u0d1c\u0d3f\", \"\u0d30\u0d35\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25 \u0d1f\u0d3e\u0d17\u0d4b\u0d7c\", \"\u0d36\u0d30\u0d24\u0d4d\u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30 \u0d1a\u0d3e\u0d31\u0d4d\u0d31\u0d4b\u0d2a\u0d3e\u0d26\u0d4d\u0d27\u0d4d\u0d2f\u0d3e\u0d2f\", \"\u0d2e\u0d48\u0d15\u0d4d\u0d15\u0d47\u0d7d \u0d2e\u0d27\u0d41\u0d38\u0d42\u0d26\u0d7b \u0d26\u0d24\u0d4d\u0d24\"],\n correct: 0,\n explanation: \"\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 \u0d17\u0d3e\u0d28\u0d24\u0d4d\u0d24\u0d3f\u0d28\u0d4d\u0d31\u0d46 \u0d30\u0d1a\u0d2f\u0d3f\u0d24\u0d3e\u0d35\u0d4d\",\n category: \"\u0d38\u0d3e\u0d39\u0d3f\u0d24\u0d4d\u0d2f\u0d15\u0d3e\u0d30\u0d28\u0d4d\u0d2e\u0d3e\u0d7c\"\n },\n {\n question: \"\u0d26 \u0d1f\u0d4d\u0d30\u0d3f\u0d2c\u0d4d\u0d2f\u0d42\u0d7a\",\n answer: \"\u0d26\u0d2f\u0d3e\u0d7d \u0d38\u0d3f\u0d02\u0d17\u0d4d \u0d2e\u0d1c\u0d46\u0d15\u0d4d\u0d24\u0d3f\u0d2f\",\n options: [\"\u0d26\u0d2f\u0d3e\u0d7d \u0d38\u0d3f\u0d02\u0d17\u0d4d \u0d2e\u0d1c\u0d46\u0d15\u0d4d\u0d24\u0d3f\u0d2f\", \"\u0d32\u0d3e\u0d32\u0d3e \u0d32\u0d1c\u0d4d\u200c\u0d2a\u0d24\u0d4d \u0d31\u0d3e\u0d2f\u0d4d\", \"\u0d38\u0d7c \u0d38\u0d2f\u0d4d\u0d2f\u0d3f\u0d26\u0d4d \u0d05\u0d39\u0d2e\u0d4d\u0d2e\u0d26\u0d4d \u0d16\u0d3e\u0d7b\", \"\u0d16\u0d3e\u0d7b \u0d05\u0d2c\u0d4d\u0d26\u0d41\u0d7d \u0d17\u0d2b\u0d3e\u0d7c \u0d16\u0d3e\u0d7b\"],\n correct: 0,\n explanation: \"\u0d2a\u0d1e\u0d4d\u0d1a\u0d3e\u0d2c\u0d3f\u0d32\u0d46 \u0d2a\u0d4d\u0d30\u0d2e\u0d41\u0d16 \u0d35\u0d4d\u0d2f\u0d35\u0d38\u0d3e\u0d2f\u0d3f\",\n category: \"\u0d35\u0d4d\u0d2f\u0d35\u0d38\u0d3e\u0d2f\u0d3f\u0d15\u0d7e\"\n },\n {\n question: \"\u0d15\u0d7c\u0d2e\u0d4d\u0d2e\u0d2f\u0d4b\u0d17\u0d3f\",\n answer: \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\",\n options: [\"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\", \"\u0d2c\u0d30\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d15\u0d41\u0d2e\u0d3e\u0d7c \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d38\u0d41\u0d30\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25\u0d4d \u0d2c\u0d3e\u0d28\u0d7c\u0d1c\u0d3f\"],\n correct: 0,\n explanation: \"\u0d24\u0d40\u0d35\u0d4d\u0d30 \u0d26\u0d47\u0d36\u0d40\u0d2f\u0d35\u0d3e\u0d26\u0d24\u0d4d\u0d24\u0d3f\u0d7d \u0d28\u0d3f\u0d28\u0d4d\u0d28\u0d4d \u0d06\u0d24\u0d4d\u0d2e\u0d40\u0d2f\u0d24\u0d2f\u0d3f\u0d32\u0d47\u0d15\u0d4d\u0d15\u0d4d \u0d24\u0d3f\u0d30\u0d3f\u0d1e\u0d4d\u0d1e \u0d26\u0d3e\u0d7c\u0d36\u0d28\u0d3f\u0d15\u0d7b\",\n category: \"\u0d26\u0d3e\u0d7c\u0d36\u0d28\u0d3f\u0d15\u0d7c\"\n },\n {\n question: \"\u0d2f\u0d41\u0d17\u0d3e\u0d28\u0d4d\u0d24\u0d7c\",\n answer: \"\u0d2c\u0d30\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d15\u0d41\u0d2e\u0d3e\u0d7c \u0d18\u0d4b\u0d37\u0d4d, \u0d2d\u0d42\u0d2a\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25 \u0d26\u0d24\u0d4d\u0d24\",\n options: [\"\u0d2c\u0d30\u0d40\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d15\u0d41\u0d2e\u0d3e\u0d7c \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d05\u0d30\u0d2c\u0d3f\u0d28\u0d4d\u0d26\u0d4b \u0d18\u0d4b\u0d37\u0d4d\", \"\u0d2c\u0d3f\u0d2a\u0d3f\u0d7b \u0d1a\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d2a\u0d3e\u0d7d\", \"\u0d38\u0d41\u0d30\u0d47\u0d28\u0d4d\u0d26\u0d4d\u0d30\u0d28\u0d3e\u0d25\u0d4d \u0d2c\u0d3e\u0d28\u0d7c\u0d1c\u0d3f\"],\n correct: 0,\n explanation: \"\u0d35\u0d3f\u0d2a\u0d4d\u0d32\u0d35\u0d15\u0d30\u0d2e\u0d3e\u0d2f \u0d2a\u0d4d\u0d30\u0d38\u0d3f\u0d26\u0d4d\u0d27\u0d40\u0d15\u0d30\u0d23\u0d02\",\n category: \"\u0d35\u0d3f\u0d2a\u0d4d\u0d32\u0d35\u0d15\u0d3e\u0d30\u0d3f\u0d15\u0d7e\"\n }\n ];\n\n \/\/ App State\n let currentMode = 'flashcard';\n let currentIndex = 0;\n let userProgress = JSON.parse(localStorage.getItem('learningProgress') || '{}');\n let sessionStats = {\n score: 0,\n level: 1,\n streak: 0,\n correctAnswers: 0,\n totalQuestions: 0,\n timeStarted: null\n };\n let timerInterval = null;\n let timeRemaining = 300; \/\/ 5 minutes for timed modes\n let isFlipped = false;\n let selectedAnswer = null;\n\n \/\/ Initialize App\n function initializeApp() {\n loadUserProgress();\n updateStatsDisplay();\n setupEventListeners();\n }\n\n \/\/ Mode Switching\n function switchMode(mode) {\n currentMode = mode;\n \n \/\/ Update nav tabs\n document.querySelectorAll('.nav-tab').forEach(tab => tab.classList.remove('active'));\n event.target.classList.add('active');\n \n \/\/ Hide all mode contents\n document.querySelectorAll('.mode-content').forEach(content => content.classList.add('hidden'));\n \n \/\/ Show selected mode\n document.getElementById(mode + 'Mode').classList.remove('hidden');\n \n \/\/ Reset controls\n resetControls();\n \n \/\/ Setup mode-specific content\n setupMode(mode);\n }\n\n function setupMode(mode) {\n switch(mode) {\n case 'flashcard':\n setupFlashcardMode();\n break;\n case 'quiz':\n setupQuizMode();\n break;\n case 'challenge':\n setupChallengeMode();\n break;\n case 'study':\n setupStudyMode();\n break;\n }\n }\n\n function setupFlashcardMode() {\n document.getElementById('cardFront').textContent = '\u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d3e\u0d7b \"\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15\" \u0d15\u0d4d\u0d32\u0d3f\u0d15\u0d4d\u0d15\u0d4d \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15';\n document.getElementById('difficultyRating').classList.add('hidden');\n document.getElementById('timerDisplay').classList.add('hidden');\n isFlipped = false;\n currentIndex = 0;\n }\n\n function setupQuizMode() {\n document.getElementById('questionText').textContent = '\u0d15\u0d4d\u0d35\u0d3f\u0d38\u0d4d \u0d06\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d3e\u0d7b \"\u0d2a\u0d4d\u0d30\u0d3e\u0d30\u0d02\u0d2d\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15\" \u0d15\u0d4d\u0d32\u0d3f\u0d15\u0d4d\u0d15\u0d4d \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15';\n document.getElementById('optionsContainer').innerHTML = '';\n document.getElementById('feedbackMessage').classList.add('hidden');\n document.getElementById('timerDisplay').classList.add('hidden');\n currentIndex = 0;\n }\n\n function setupChallengeMode() {\n document.getElementById('challengeQuestion').textContent = '2 \u0d2e\u0d3f\u0d28\u0d3f\u0d31\u0d4d\u0d31\u0d3f\u0d28\u0d41\u0d33\u0d4d\u0d33\u0d3f\u0d7d \u0d0e\u0d24\u0d4d\u0d30 \u0d1a\u0d4b\u0d26\u0d4d\u0d2f\u0d19\u0d4d\u0d19\u0d7e\u0d15\u0d4d\u0d15\u0d4d \u0d09\u0d24\u0d4d\u0d24\u0d30\u0d02 \u0d28\u0d7d\u0d15\u0d3e\u0d7b \u0d15\u0d34\u0d3f\u0d2f\u0d41\u0d02?';\n document.getElementById('challengeOptions').innerHTML = '';\n timeRemaining = 120; \/\/ 2 minutes for challenge\n currentIndex = 0;\n }\n\n function setupStudyMode() {\n generateStudyContent();\n }\n\n \/\/ Start Current Mode\n function startCurrentMode() {\n sessionStats.timeStarted = new Date();\n document.getElementById('startBtn').classList.add('hidden');\n \n switch(currentMode) {\n case 'flashcard':\n startFlashcardMode();\n break;\n case 'quiz':\n startQuizMode();\n break;\n case 'challenge':\n startChallengeMode();\n break;\n case 'study':\n startStudyMode();\n break;\n }\n }\n\n function startFlashcardMode() {\n currentIndex = 0;\n showFlashcard();\n document.getElementById('nextBtn').classList.remove('hidden');\n }\n\n function startQuizMode() {\n currentIndex = 0;\n selectedAnswer = null;\n showQuizQuestion();\n document.getElementById('nextBtn').classList.remove('hidden');\n document.getElementById('skipBtn').classList.remove('hidden');\n }\n\n function startChallengeMode() {\n currentIndex = 0;\n timeRemaining = 120;\n document.getElementById('timerDisplay').classList.remove('hidden');\n startTimer();\n showChallengeQuestion();\n document.getElementById('nextBtn').classList.remove('hidden');\n }\n\n function startStudyMode() {\n \/\/ Study mode is already setup, just show controls\n document.getElementById('nextBtn').classList.remove('hidden');\n document.getElementById('nextBtn').textContent = '\u0d05\u0d1f\u0d41\u0d24\u0d4d\u0d24 \u0d35\u0d3f\u0d37\u0d2f\u0d02';\n }\n\n \/\/ Flashcard Functions\n function showFlashcard() {\n if (currentIndex >= learningData.length) {\n showResults();\n return;\n }\n\n const card = learningData[currentIndex];\n document.getElementById('cardFront').textContent = card.question;\n document.getElementById('cardBack').innerHTML = `\n <strong>${card.answer}<\/strong><br><br>\n <small>${card.explanation}<\/small>\n `;\n \n document.getElementById('flashcard').classList.remove('flipped');\n document.getElementById('difficultyRating').classList.add('hidden');\n isFlipped = false;\n \n updateProgress();\n }\n\n function flipCard() {\n if (currentIndex < 0 || currentIndex >= learningData.length) return;\n \n const flashcard = document.getElementById('flashcard');\n flashcard.classList.toggle('flipped');\n isFlipped = !isFlipped;\n \n if (isFlipped) {\n document.getElementById('difficultyRating').classList.remove('hidden');\n }\n }\n\n function rateDifficulty(level) {\n const cardId = `card_${currentIndex}`;\n if (!userProgress[cardId]) {\n userProgress[cardId] = { reviews: 0, difficulty: 1.0, lastReviewed: null };\n }\n \n userProgress[cardId].reviews++;\n userProgress[cardId].lastReviewed = new Date().toISOString();\n \n \/\/ Adjust difficulty based on rating\n switch(level) {\n case 'easy':\n userProgress[cardId].difficulty = Math.max(0.5, userProgress[cardId].difficulty - 0.1);\n sessionStats.score += 15;\n sessionStats.streak++;\n break;\n case 'medium':\n sessionStats.score += 10;\n break;\n case 'hard':\n userProgress[cardId].difficulty = Math.min(2.0, userProgress[cardId].difficulty + 0.2);\n sessionStats.score += 5;\n sessionStats.streak = Math.max(0, sessionStats.streak - 1);\n break;\n }\n \n sessionStats.correctAnswers++;\n sessionStats.totalQuestions++;\n updateStatsDisplay();\n saveUserProgress();\n \n \/\/ Auto advance after rating\n setTimeout(() => {\n nextItem();\n }, 500);\n }\n\n \/\/ Quiz Functions\n function showQuizQuestion() {\n if (currentIndex >= learningData.length) {\n showResults();\n return;\n }\n\n const question = learningData[currentIndex];\n selectedAnswer = null;\n \n document.getElementById('questionNumber').textContent = `\u0d1a\u0d4b\u0d26\u0d4d\u0d2f\u0d02 ${currentIndex + 1}`;\n document.getElementById('questionText').textContent = question.question;\n \n const optionsContainer = document.getElementById('optionsContainer');\n optionsContainer.innerHTML = '';\n \n question.options.forEach((option, index) => {\n const optionElement = document.createElement('div');\n optionElement.className = 'option';\n optionElement.onclick = () => selectOption(index);\n \n optionElement.innerHTML = `\n <div class=\"option-letter\">${String.fromCharCode(65 + index)}<\/div>\n <div>${option}<\/div>\n `;\n \n optionsContainer.appendChild(optionElement);\n });\n \n document.getElementById('feedbackMessage').classList.add('hidden');\n document.getElementById('nextBtn').disabled = true;\n updateProgress();\n }\n\n function selectOption(index) {\n if (selectedAnswer !== null) return;\n \n selectedAnswer = index;\n const question = learningData[currentIndex];\n const options = document.querySelectorAll('#optionsContainer .option');\n \n \/\/ Disable all options\n options.forEach(option => option.style.pointerEvents = 'none');\n \n \/\/ Mark correct and incorrect\n options[question.correct].classList.add('correct');\n if (index !== question.correct) {\n options[index].classList.add('wrong');\n }\n \n \/\/ Update stats\n sessionStats.totalQuestions++;\n if (index === question.correct) {\n sessionStats.correctAnswers++;\n sessionStats.streak++;\n sessionStats.score += 10 + (sessionStats.streak * 2);\n showFeedback(true, question.explanation);\n } else {\n sessionStats.streak = 0;\n showFeedback(false, question.explanation);\n }\n \n updateStatsDisplay();\n document.getElementById('nextBtn').disabled = false;\n }\n\n function showFeedback(isCorrect, explanation) {\n const feedback = document.getElementById('feedbackMessage');\n feedback.className = 'feedback ' + (isCorrect ? 'success' : 'error');\n feedback.innerHTML = `\n <div>${isCorrect ? '\u2705 \u0d36\u0d30\u0d3f!' : '\u274c \u0d24\u0d46\u0d31\u0d4d\u0d31\u0d4d!'}<\/div>\n <div style=\"margin-top: 10px; font-size: 14px; opacity: 0.9;\">${explanation}<\/div>\n `;\n feedback.classList.remove('hidden');\n }\n\n \/\/ Challenge Functions\n function showChallengeQuestion() {\n if (currentIndex >= learningData.length || timeRemaining <= 0) {\n endChallenge();\n return;\n }\n\n const question = learningData[currentIndex];\n document.getElementById('challengeQuestion').textContent = question.question;\n \n const optionsContainer = document.getElementById('challengeOptions');\n optionsContainer.innerHTML = '';\n \n question.options.forEach((option, index) => {\n const optionElement = document.createElement('div');\n optionElement.className = 'option';\n optionElement.onclick = () => quickSelectOption(index);\n \n optionElement.innerHTML = `\n <div class=\"option-letter\">${String.fromCharCode(65 + index)}<\/div>\n <div>${option}<\/div>\n `;\n \n optionsContainer.appendChild(optionElement);\n });\n \n updateProgress();\n }\n\n function quickSelectOption(index) {\n const question = learningData[currentIndex];\n sessionStats.totalQuestions++;\n \n if (index === question.correct) {\n sessionStats.correctAnswers++;\n sessionStats.streak++;\n sessionStats.score += 15 + (sessionStats.streak * 3); \/\/ Higher score for speed\n } else {\n sessionStats.streak = 0;\n }\n \n updateStatsDisplay();\n \n \/\/ Quick advance to next question\n setTimeout(() => {\n nextItem();\n }, 200);\n }\n\n \/\/ Study Mode Functions\n function generateStudyContent() {\n const studyContent = document.getElementById('studyContent');\n const categories = [...new Set(learningData.map(item => item.category))];\n \n let html = '';\n categories.forEach(category => {\n html += `<div style=\"margin-bottom: 30px;\">`;\n html += `<h3 style=\"color: #667eea; margin-bottom: 15px;\">${category}<\/h3>`;\n \n const categoryItems = learningData.filter(item => item.category === category);\n categoryItems.forEach(item => {\n html += `\n <div style=\"background: #f8f9fa; padding: 15px; margin: 10px 0; border-radius: 10px; border-left: 4px solid #667eea;\">\n <strong>${item.question}<\/strong><br>\n <span style=\"color: #28a745; font-weight: 600;\">${item.answer}<\/span><br>\n <small style=\"color: #666; font-style: italic;\">${item.explanation}<\/small>\n <\/div>\n `;\n });\n \n html += `<\/div>`;\n });\n \n studyContent.innerHTML = html;\n }\n\n \/\/ Navigation Functions\n function nextItem() {\n currentIndex++;\n \n \/\/ Reset option styles\n const options = document.querySelectorAll('.option');\n options.forEach(option => {\n option.style.pointerEvents = 'auto';\n option.classList.remove('correct', 'wrong', 'selected');\n });\n \n switch(currentMode) {\n case 'flashcard':\n showFlashcard();\n break;\n case 'quiz':\n showQuizQuestion();\n break;\n case 'challenge':\n showChallengeQuestion();\n break;\n case 'study':\n \/\/ In study mode, just scroll to next section\n break;\n }\n }\n\n function skipItem() {\n if (currentMode === 'quiz') {\n sessionStats.totalQuestions++;\n sessionStats.streak = 0;\n updateStatsDisplay();\n }\n nextItem();\n }\n\n \/\/ Timer Functions\n function startTimer() {\n timerInterval = setInterval(() => {\n timeRemaining--;\n updateTimerDisplay();\n \n if (timeRemaining <= 0) {\n endChallenge();\n }\n }, 1000);\n }\n\n function updateTimerDisplay() {\n const minutes = Math.floor(timeRemaining \/ 60);\n const seconds = timeRemaining % 60;\n const timeString = `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;\n \n document.getElementById('timeRemaining').textContent = timeString;\n \n const timerDisplay = document.getElementById('timerDisplay');\n if (timeRemaining <= 30) {\n timerDisplay.classList.add('timer-warning');\n }\n }\n\n function endChallenge() {\n if (timerInterval) {\n clearInterval(timerInterval);\n timerInterval = null;\n }\n showResults();\n }\n\n \/\/ Progress and Statistics\n function updateProgress() {\n const progress = currentMode === 'study' ? 100 : ((currentIndex + 1) \/ learningData.length) * 100;\n document.getElementById('progressBar').style.width = progress + '%';\n }\n\n function updateStatsDisplay() {\n document.getElementById('totalScore').textContent = sessionStats.score;\n document.getElementById('currentLevel').textContent = Math.floor(sessionStats.score \/ 100) + 1;\n document.getElementById('streakCount').textContent = sessionStats.streak;\n \n const accuracy = sessionStats.totalQuestions > 0 \n ? Math.round((sessionStats.correctAnswers \/ sessionStats.totalQuestions) * 100) \n : 0;\n document.getElementById('accuracyRate').textContent = accuracy + '%';\n \n \/\/ Update level\n sessionStats.level = Math.floor(sessionStats.score \/ 100) + 1;\n }\n\n \/\/ Results\n function showResults() {\n \/\/ Hide current mode content\n document.querySelectorAll('.mode-content').forEach(content => content.classList.add('hidden'));\n \n \/\/ Show results\n const resultsContainer = document.getElementById('resultsContainer');\n resultsContainer.classList.remove('hidden');\n \n const timeSpent = sessionStats.timeStarted \n ? Math.round((new Date() - sessionStats.timeStarted) \/ 1000 \/ 60)\n : 0;\n \n const accuracy = sessionStats.totalQuestions > 0 \n ? Math.round((sessionStats.correctAnswers \/ sessionStats.totalQuestions) * 100) \n : 0;\n \n const resultsContent = document.getElementById('resultsContent');\n resultsContent.innerHTML = `\n <div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin: 20px 0;\">\n <div style=\"background: #e8f5e8; padding: 15px; border-radius: 10px;\">\n <div style=\"font-size: 24px; font-weight: bold; color: #2e7d32;\">${sessionStats.score}<\/div>\n <div style=\"color: #666;\">\u0d2e\u0d4a\u0d24\u0d4d\u0d24\u0d02 \u0d38\u0d4d\u0d15\u0d4b\u0d7c<\/div>\n <\/div>\n <div style=\"background: #e3f2fd; padding: 15px; border-radius: 10px;\">\n <div style=\"font-size: 24px; font-weight: bold; color: #1976d2;\">${accuracy}%<\/div>\n <div style=\"color: #666;\">\u0d15\u0d43\u0d24\u0d4d\u0d2f\u0d24<\/div>\n <\/div>\n <div style=\"background: #fff3e0; padding: 15px; border-radius: 10px;\">\n <div style=\"font-size: 24px; font-weight: bold; color: #f57c00;\">${sessionStats.streak}<\/div>\n <div style=\"color: #666;\">\u0d2a\u0d30\u0d2e\u0d3e\u0d35\u0d27\u0d3f \u0d38\u0d4d\u0d1f\u0d4d\u0d30\u0d40\u0d15\u0d4d<\/div>\n <\/div>\n <div style=\"background: #fce4ec; padding: 15px; border-radius: 10px;\">\n <div style=\"font-size: 24px; font-weight: bold; color: #c2185b;\">${timeSpent}<\/div>\n <div style=\"color: #666;\">\u0d2e\u0d3f\u0d28\u0d3f\u0d31\u0d4d\u0d31\u0d41\u0d15\u0d7e<\/div>\n <\/div>\n <\/div>\n `;\n \n \/\/ Generate achievements\n generateAchievements(accuracy);\n \n \/\/ Show restart button\n document.getElementById('restartBtn').classList.remove('hidden');\n \n \/\/ Save progress\n saveUserProgress();\n }\n\n function generateAchievements(accuracy) {\n const achievements = [];\n \n if (accuracy >= 95) achievements.push('\ud83c\udfc6 \u0d2a\u0d46\u0d7c\u0d2b\u0d46\u0d15\u0d4d\u0d1f\u0d4d \u0d38\u0d4d\u0d15\u0d4b\u0d33\u0d7c');\n else if (accuracy >= 85) achievements.push('\ud83e\udd47 \u0d17\u0d4b\u0d7e\u0d21\u0d4d \u0d2e\u0d46\u0d21\u0d32\u0d3f\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d4d');\n else if (accuracy >= 75) achievements.push('\ud83e\udd48 \u0d38\u0d3f\u0d7d\u0d35\u0d7c \u0d2e\u0d46\u0d21\u0d32\u0d3f\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d4d');\n else if (accuracy >= 65) achievements.push('\ud83e\udd49 \u0d2c\u0d4d\u0d30\u0d4b\u0d7a\u0d38\u0d4d \u0d2e\u0d46\u0d21\u0d32\u0d3f\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d4d');\n \n if (sessionStats.streak >= 10) achievements.push('\ud83d\udd25 \u0d38\u0d4d\u0d1f\u0d4d\u0d30\u0d40\u0d15\u0d4d \u0d2e\u0d3e\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d7c');\n if (sessionStats.streak >= 5) achievements.push('\u26a1 \u0d39\u0d4b\u0d1f\u0d4d\u0d1f\u0d4d \u0d38\u0d4d\u0d1f\u0d4d\u0d30\u0d40\u0d15\u0d4d');\n \n if (sessionStats.score >= 500) achievements.push('\ud83d\udc51 \u0d38\u0d4d\u0d15\u0d4b\u0d7c \u0d15\u0d3f\u0d02\u0d17\u0d4d');\n if (sessionStats.score >= 300) achievements.push('\u2b50 \u0d38\u0d4d\u0d15\u0d4b\u0d7c \u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d3e\u0d7c');\n \n if (currentMode === 'challenge' && accuracy >= 80) achievements.push('\ud83d\ude80 \u0d38\u0d4d\u0d2a\u0d40\u0d21\u0d4d \u0d21\u0d46\u0d2e\u0d7a');\n if (sessionStats.correctAnswers === learningData.length) achievements.push('\ud83c\udfaf \u0d2a\u0d46\u0d7c\u0d2b\u0d46\u0d15\u0d4d\u0d1f\u0d4d \u0d37\u0d42\u0d1f\u0d4d\u0d1f\u0d7c');\n \n const achievementsContainer = document.getElementById('achievementsContainer');\n if (achievements.length > 0) {\n achievementsContainer.innerHTML = `\n <h3 style=\"color: #2c3e50; margin: 20px 0 15px;\">\ud83c\udfc6 \u0d28\u0d47\u0d1f\u0d3f\u0d2f \u0d05\u0d35\u0d3e\u0d7c\u0d21\u0d41\u0d15\u0d7e<\/h3>\n <div style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\">\n ${achievements.map(achievement => `<div class=\"achievement\">${achievement}<\/div>`).join('')}\n <\/div>\n `;\n }\n }\n\n \/\/ Data Persistence\n function loadUserProgress() {\n const saved = localStorage.getItem('learningProgress');\n if (saved) {\n userProgress = JSON.parse(saved);\n }\n \n const savedStats = localStorage.getItem('sessionStats');\n if (savedStats) {\n const parsed = JSON.parse(savedStats);\n sessionStats.score = parsed.score || 0;\n sessionStats.level = parsed.level || 1;\n }\n }\n\n function saveUserProgress() {\n localStorage.setItem('learningProgress', JSON.stringify(userProgress));\n localStorage.setItem('sessionStats', JSON.stringify({\n score: sessionStats.score,\n level: sessionStats.level,\n lastPlayed: new Date().toISOString()\n }));\n }\n\n \/\/ Utility Functions\n function resetControls() {\n document.getElementById('startBtn').classList.remove('hidden');\n document.getElementById('nextBtn').classList.add('hidden');\n document.getElementById('skipBtn').classList.add('hidden');\n document.getElementById('restartBtn').classList.add('hidden');\n document.getElementById('resultsContainer').classList.add('hidden');\n document.getElementById('feedbackMessage').classList.add('hidden');\n document.getElementById('difficultyRating').classList.add('hidden');\n \n if (timerInterval) {\n clearInterval(timerInterval);\n timerInterval = null;\n }\n }\n\n function restartApp() {\n sessionStats = {\n score: sessionStats.score, \/\/ Keep cumulative score\n level: sessionStats.level,\n streak: 0,\n correctAnswers: 0,\n totalQuestions: 0,\n timeStarted: null\n };\n \n currentIndex = 0;\n resetControls();\n setupMode(currentMode);\n updateStatsDisplay();\n }\n\n function setupEventListeners() {\n \/\/ Keyboard shortcuts\n document.addEventListener('keydown', (e) => {\n switch(e.key) {\n case ' ':\n e.preventDefault();\n if (currentMode === 'flashcard') flipCard();\n break;\n case 'ArrowRight':\n e.preventDefault();\n if (!document.getElementById('nextBtn').classList.contains('hidden')) {\n nextItem();\n }\n break;\n case 'ArrowLeft':\n e.preventDefault();\n if (currentIndex > 0) {\n currentIndex -= 2; \/\/ Will be incremented in nextItem\n nextItem();\n }\n break;\n }\n });\n }\n\n \/\/ Initialize app when DOM is loaded\n document.addEventListener('DOMContentLoaded', function() {\n initializeApp();\n });\n\n \/\/ If DOM is already loaded\n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', initializeApp);\n } else {\n initializeApp();\n }\n\n \/\/ Prevent zoom on double tap for mobile\n let lastTouchEnd = 0;\n document.addEventListener('touchend', function (event) {\n const now = (new Date()).getTime();\n if (now - lastTouchEnd <= 300) {\n event.preventDefault();\n }\n lastTouchEnd = now;\n }, false);\n\n \/\/ Service Worker for offline functionality (optional)\n if ('serviceWorker' in navigator) {\n window.addEventListener('load', function() {\n navigator.serviceWorker.register('\/sw.js').then(function(registration) {\n console.log('SW registered: ', registration);\n }).catch(function(registrationError) {\n console.log('SW registration failed: ', registrationError);\n });\n });\n }\n\n \/\/ Add touch gestures for mobile\n let touchStartX = 0;\n let touchStartY = 0;\n\n document.addEventListener('touchstart', function(e) {\n touchStartX = e.changedTouches[0].screenX;\n touchStartY = e.changedTouches[0].screenY;\n }, false);\n\n document.addEventListener('touchend', function(e) {\n const touchEndX = e.changedTouches[0].screenX;\n const touchEndY = e.changedTouches[0].screenY;\n \n const deltaX = touchEndX - touchStartX;\n const deltaY = touchEndY - touchStartY;\n \n \/\/ Swipe detection (minimum distance of 50px)\n if (Math.abs(deltaX) > Math.abs(deltaY) && Math.abs(deltaX) > 50) {\n if (deltaX > 0) {\n \/\/ Swipe right - previous\n if (currentIndex > 0 && !document.getElementById('nextBtn').classList.contains('hidden')) {\n currentIndex -= 2;\n nextItem();\n }\n } else {\n \/\/ Swipe left - next\n if (!document.getElementById('nextBtn').classList.contains('hidden')) {\n nextItem();\n }\n }\n }\n }, false);\n\n \/\/ Performance optimization - lazy loading for images if any\n if ('IntersectionObserver' in window) {\n const imageObserver = new IntersectionObserver((entries, observer) => {\n entries.forEach(entry => {\n if (entry.isIntersecting) {\n const img = entry.target;\n img.src = img.dataset.src;\n img.classList.remove('lazy');\n imageObserver.unobserve(img);\n }\n });\n });\n\n document.querySelectorAll('img[data-src]').forEach(img => imageObserver.observe(img));\n }\n\n \/\/ Add haptic feedback for mobile devices\n function hapticFeedback(type = 'light') {\n if ('vibrate' in navigator) {\n switch(type) {\n case 'light':\n navigator.vibrate(10);\n break;\n case 'medium':\n navigator.vibrate(20);\n break;\n case 'heavy':\n navigator.vibrate([30, 10, 30]);\n break;\n case 'success':\n navigator.vibrate([100, 30, 100]);\n break;\n case 'error':\n navigator.vibrate([200, 100, 200]);\n break;\n }\n }\n }\n\n \/\/ Enhanced mobile interactions\n function enhancedSelectOption(index) {\n hapticFeedback('light');\n selectOption(index);\n }\n\n function enhancedFlipCard() {\n hapticFeedback('medium');\n flipCard();\n }\n\n function enhancedRateDifficulty(level) {\n if (level === 'easy') hapticFeedback('success');\n else if (level === 'hard') hapticFeedback('error');\n else hapticFeedback('medium');\n rateDifficulty(level);\n }\n\n \/\/ Update click handlers to use enhanced functions\n setTimeout(() => {\n \/\/ Replace flipCard calls with enhanced version\n document.getElementById('flashcard').onclick = enhancedFlipCard;\n \n \/\/ Replace difficulty button handlers\n document.querySelectorAll('.difficulty-btn').forEach(btn => {\n const level = btn.textContent.includes('\u0d0e\u0d33\u0d41\u0d2a\u0d4d\u0d2a\u0d02') ? 'easy' :\n btn.textContent.includes('\u0d07\u0d1f\u0d24\u0d4d\u0d24\u0d30\u0d02') ? 'medium' : 'hard';\n btn.onclick = () => enhancedRateDifficulty(level);\n });\n }, 100);\n\n \/\/ Auto-save progress every 30 seconds\n setInterval(saveUserProgress, 30000);\n\n \/\/ Handle app visibility changes (when user switches tabs\/apps)\n document.addEventListener('visibilitychange', function() {\n if (document.hidden) {\n \/\/ App is hidden - pause timer if running\n if (timerInterval && currentMode === 'challenge') {\n clearInterval(timerInterval);\n }\n saveUserProgress();\n } else {\n \/\/ App is visible - resume timer if needed\n if (currentMode === 'challenge' && timeRemaining > 0 && !timerInterval) {\n startTimer();\n }\n }\n });\n\n \/\/ Handle browser back button\n window.addEventListener('popstate', function(e) {\n if (currentIndex > 0) {\n currentIndex--;\n switch(currentMode) {\n case 'flashcard':\n showFlashcard();\n break;\n case 'quiz':\n showQuizQuestion();\n break;\n case 'challenge':\n showChallengeQuestion();\n break;\n }\n }\n });\n\n \/\/ Add loading states for better UX\n function showLoadingState(element) {\n element.style.opacity = '0.6';\n element.style.pointerEvents = 'none';\n }\n\n function hideLoadingState(element) {\n element.style.opacity = '1';\n element.style.pointerEvents = 'auto';\n }\n\n \/\/ Error handling for localStorage\n function safeLocalStorageSet(key, value) {\n try {\n localStorage.setItem(key, value);\n return true;\n } catch (e) {\n console.warn('localStorage not available:', e);\n return false;\n }\n }\n\n function safeLocalStorageGet(key, defaultValue = null) {\n try {\n return localStorage.getItem(key) || defaultValue;\n } catch (e) {\n console.warn('localStorage not available:', e);\n return defaultValue;\n }\n }\n\n \/\/ Update save\/load functions to use safe localStorage\n function saveUserProgressSafe() {\n safeLocalStorageSet('learningProgress', JSON.stringify(userProgress));\n safeLocalStorageSet('sessionStats', JSON.stringify({\n score: sessionStats.score,\n level: sessionStats.level,\n lastPlayed: new Date().toISOString()\n }));\n }\n\n function loadUserProgressSafe() {\n const saved = safeLocalStorageGet('learningProgress');\n if (saved) {\n try {\n userProgress = JSON.parse(saved);\n } catch (e) {\n console.warn('Error parsing saved progress:', e);\n userProgress = {};\n }\n }\n \n const savedStats = safeLocalStorageGet('sessionStats');\n if (savedStats) {\n try {\n const parsed = JSON.parse(savedStats);\n sessionStats.score = parsed.score || 0;\n sessionStats.level = parsed.level || 1;\n } catch (e) {\n console.warn('Error parsing saved stats:', e);\n }\n }\n }\n\n \/\/ Replace the original functions\n saveUserProgress = saveUserProgressSafe;\n loadUserProgress = loadUserProgressSafe;\n\n \/\/ Add PWA install prompt\n let deferredPrompt;\n \n window.addEventListener('beforeinstallprompt', (e) => {\n e.preventDefault();\n deferredPrompt = e;\n \n \/\/ Show install button (you can customize this)\n const installBtn = document.createElement('button');\n installBtn.className = 'btn btn-secondary';\n installBtn.textContent = '\ud83d\udcf1 \u0d06\u0d2a\u0d4d\u0d2a\u0d4d \u0d07\u0d7b\u0d38\u0d4d\u0d31\u0d4d\u0d31\u0d3e\u0d7e \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d15';\n installBtn.style.position = 'fixed';\n installBtn.style.bottom = '20px';\n installBtn.style.right = '20px';\n installBtn.style.zIndex = '1000';\n \n installBtn.addEventListener('click', async () => {\n if (deferredPrompt) {\n deferredPrompt.prompt();\n const result = await deferredPrompt.userChoice;\n if (result.outcome === 'accepted') {\n console.log('User accepted the install prompt');\n }\n deferredPrompt = null;\n installBtn.remove();\n }\n });\n \n document.body.appendChild(installBtn);\n \n \/\/ Auto-hide after 10 seconds\n setTimeout(() => {\n if (installBtn && installBtn.parentNode) {\n installBtn.remove();\n }\n }, 10000);\n });\n\n \/\/ Console message for developers\n console.log(`\n \ud83c\udf93 \u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 Learning Tool\n \ud83d\udcf1 Mobile-optimized interactive learning experience\n \ud83d\udd27 Features: Flashcards, Quiz, Challenge, Study modes\n \ud83d\udcbe Progress auto-saved to localStorage\n \u2328\ufe0f Keyboard shortcuts: Space (flip), Arrow keys (navigate)\n \ud83d\udc46 Touch gestures: Swipe left\/right to navigate\n \ud83c\udfaf Built with vanilla JavaScript for maximum compatibility\n \n Total questions: ${learningData.length}\n Categories: ${[...new Set(learningData.map(item => item.category))].length}\n `);\n <\/script>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>\u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 – Complete Learning Tool \u0d35\u0d28\u0d4d\u0d26\u0d47\u0d2e\u0d3e\u0d24\u0d30\u0d02 \u0d2a\u0d20\u0d28 \u0d09\u0d2a\u0d15\u0d30\u0d23\u0d02 \u0d07\u0d28\u0d4d\u0d24\u0d4d\u0d2f\u0d7b \u0d38\u0d4d\u0d35\u0d3e\u0d24\u0d28\u0d4d\u0d24\u0d4d\u0d30\u0d4d\u0d2f\u0d38\u0d2e\u0d30 \u0d15\u0d3e\u0d32\u0d24\u0d4d\u0d24\u0d46 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