أداة إدارة ملفات السيرفر

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تعديل الملف: tst.html

الحجم: 50.44 كيلوبايت

<!DOCTYPE html>
<html lang="ar" dir="rtl">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>نظام الاختبارات - الإنجليزية</title>
    <link href="https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;900&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
    <style>
        :root {
            --primary: #1EBAA6;
            --primary-gradient: linear-gradient(135deg, #1EBAA6 0%, #2AD4BD 100%);
            --secondary: #6D256F;
            --white: #FFFFFF;
            --light-bg: #F8F9FA;
            --dark-text: #2D3748;
            --card-shadow: 0 20px 40px rgba(30, 186, 166, 0.15);
            --hover-shadow: 0 25px 50px rgba(30, 186, 166, 0.25);
            
            --success: #4cc9a7;
            --danger: #F72565;
            --warning: #FF9F1C;
            --info: #4C8DC9;
            
            --dark: #1A1A2E;
            --light: #F8F9FA;
            --gray: #6C757D;
            
            --border-radius: 16px;
            --box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

body {
            font-family: 'Tajawal', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: var(--dark-text);
            line-height: 1.6;
            touch-action: manipulation;
            min-height: 100vh;
            padding: 15px;
        }

/* تنسيقات RTL */
        html[dir="rtl"] body,
        html[dir="rtl"] .container,
        html[dir="rtl"] .header,
        html[dir="rtl"] .start-screen,
        html[dir="rtl"] .quiz-info,
        html[dir="rtl"] .info-item,
        html[dir="rtl"] .quiz-container,
        html[dir="rtl"] .quiz-header,
        html[dir="rtl"] .header-content,
        html[dir="rtl"] .quiz-body,
        html[dir="rtl"] .quiz-footer,
        html[dir="rtl"] .result-container,
        html[dir="rtl"] .stats-container,
        html[dir="rtl"] .buttons-container {
            direction: rtl;
            text-align: right;
        }

html[dir="rtl"] .back-btn i {
            transform: rotate(180deg);
        }

html[dir="rtl"] .btn-outline i {
            margin-right: 0;
            margin-left: 8px;
        }

/* تنسيقات LTR للأسئلة والإجابات الإنجليزية */
        .question-text {
            direction: ltr;
            text-align: left;
            border-left: 4px solid var(--primary);
            border-right: none;
        }

.options-container {
            direction: ltr;
            text-align: left;
        }

.option {
            direction: ltr;
            text-align: left;
        }

.option-radio {
            margin-right: 12px;
            margin-left: 0;
        }

.option-radio:after {
            left: 7px;
            top: 2px;
        }

/* التنسيقات المشتركة */
        .container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

.header {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
            gap: 15px;
        }

.back-btn {
            background: var(--primary-gradient);
            border: none;
            border-radius: 50%;
            width: 55px;
            height: 55px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--box-shadow);
        }

.back-btn:hover {
            transform: scale(1.05);
        }

.page-title {
            font-size: 1.8rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            flex: 1;
            text-align: center;
        }

.start-screen {
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 30px 25px;
            animation: fadeIn 0.5s ease;
            margin-bottom: 20px;
        }

.start-screen h1 {
            color: var(--primary);
            margin-bottom: 12px;
            font-size: 1.8rem;
        }

.start-screen p {
            color: var(--gray);
            margin-bottom: 25px;
            font-size: 1rem;
            line-height: 1.6;
        }

.quiz-info {
            background: var(--light);
            border-radius: var(--border-radius);
            padding: 18px;
            margin: 20px 0;
        }

.info-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

.info-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
        }

.info-label {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.95rem;
        }

.info-value {
            color: var(--dark);
            font-weight: 500;
        }

.btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 1rem;
            font-family: 'Tajawal', sans-serif;
            gap: 8px;
            text-decoration: none;
            min-height: 52px;
        }

.btn-primary {
            background: var(--primary-gradient);
            color: white;
            box-shadow: 0 4px 15px rgba(109, 37, 111, 0.25);
        }

.btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(109, 37, 111, 0.35);
        }

.btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

.btn-outline:hover {
            background: rgba(109, 37, 111, 0.08);
        }

.quiz-container {
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
            display: none;
            animation: fadeIn 0.5s ease;
            margin-bottom: 20px;
        }

.quiz-header {
            background: var(--primary-gradient);
            color: white;
            padding: 22px;
            position: relative;
        }

.header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

.quiz-title {
            font-size: 1.2rem;
            font-weight: 700;
        }

.question-progress {
            background: rgba(255, 255, 255, 0.2);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
        }

.progress-container {
            height: 6px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 10px;
        }

.progress-bar {
            height: 100%;
            background: white;
            border-radius: 3px;
            transition: width 0.4s ease;
            width: 0%;
        }

.quiz-body {
            padding: 25px 20px;
        }

.question-text {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.5;
            color: var(--dark);
            background: var(--light);
            padding: 20px;
            border-radius: var(--border-radius);
        }

.options-container {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 25px;
        }

.option {
            display: flex;
            align-items: center;
            padding: 16px 18px;
            background: var(--light);
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

.option:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            border-color: var(--primary);
        }

.option.disabled {
            cursor: not-allowed;
            opacity: 0.8;
        }

.option.correct {
            border-color: var(--success);
            background: rgba(76, 201, 167, 0.12);
        }

.option.incorrect {
            border-color: var(--danger);
            background: rgba(247, 37, 101, 0.12);
        }

.option input {
            position: absolute;
            opacity: 0;
            cursor: pointer;
        }

.option-radio {
            width: 22px;
            height: 22px;
            border: 2px solid #ddd;
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
            transition: var(--transition);
        }

.option input:checked ~ .option-radio {
            border-color: var(--primary);
            background-color: var(--primary);
        }

.option.correct input:checked ~ .option-radio {
            border-color: var(--success);
            background-color: var(--success);
        }

.option.incorrect input:checked ~ .option-radio {
            border-color: var(--danger);
            background-color: var(--danger);
        }

.option-radio:after {
            content: "";
            position: absolute;
            display: none;
            width: 5px;
            height: 10px;
            border: solid white;
            border-width: 0 2px 2px 0;
            transform: rotate(45deg);
        }

.option input:checked ~ .option-radio:after {
            display: block;
        }

.option-text {
            font-size: 1rem;
            color: var(--dark);
            flex: 1;
            line-height: 1.5;
        }

.quiz-footer {
            display: flex;
            justify-content: space-between;
            padding: 20px;
            border-top: 1px solid rgba(0,0,0,0.05);
            background: var(--light);
        }

.result-container {
            display: none;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 30px 25px;
            animation: fadeIn 0.5s ease;
            margin-bottom: 20px;
        }

.result-icon {
            width: 90px;
            height: 90px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: white;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(109, 37, 111, 0.25);
            animation: bounce 1s;
        }

.result-score {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 12px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

.result-message {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 25px;
            line-height: 1.6;
        }

.stats-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 15px;
            margin: 25px 0;
        }

.stat-box {
            background: var(--light);
            border-radius: var(--border-radius);
            padding: 20px 15px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

.stat-box:hover {
            transform: translateY(-3px);
        }

.stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
        }

.stat-label {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 600;
        }

.buttons-container {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 25px;
        }

@keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

@keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-20px); }
            60% { transform: translateY(-10px); }
        }

.loading-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.95);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            backdrop-filter: blur(5px);
        }

.loading-spinner {
            width: 50px;
            height: 50px;
            border: 4px solid rgba(109, 37, 111, 0.2);
            border-radius: 50%;
            border-top-color: var(--primary);
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
        }

.loading-text {
            font-size: 1.2rem;
            color: var(--dark);
            font-weight: 600;
        }

.toast {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--danger);
            color: white;
            padding: 15px 22px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: slideIn 0.3s, fadeOut 0.5s 2.5s;
            animation-fill-mode: forwards;
            max-width: 90%;
        }

.toast i {
            font-size: 1.2rem;
        }

.toast-success {
            background: var(--success);
        }

.toast-warning {
            background: var(--warning);
        }

.toast-info {
            background: var(--info);
        }

.toast-confirm {
            background: var(--info);
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            max-width: 350px;
        }

.toast-confirm-buttons {
            display: flex;
            gap: 10px;
            margin-top: 15px;
            width: 100%;
        }

.toast-confirm-btn {
            flex: 1;
            padding: 10px;
            border: none;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-family: 'Tajawal', sans-serif;
        }

.toast-confirm-btn-primary {
            background: var(--primary);
            color: white;
        }

.toast-confirm-btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

@keyframes spin {
            to { transform: rotate(360deg); }
        }

@keyframes slideIn {
            from { bottom: -50px; opacity: 0; }
            to { bottom: 20px; opacity: 1; }
        }

@keyframes fadeOut {
            from { opacity: 1; }
            to { opacity: 0; }
        }

.review-mode .option {
            cursor: default;
        }

.review-mode .option input {
            display: none;
        }

.review-mode .option-radio {
            display: none;
        }

.review-navigation {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
        }

.review-index {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
            background: var(--light);
            padding: 10px 16px;
            border-radius: var(--border-radius);
        }

.performance-chart {
            width: 100%;
            max-width: 280px;
            margin: 20px auto;
            background: var(--light);
            padding: 18px;
            border-radius: var(--border-radius);
        }

.chart-bar {
            height: 18px;
            background: #e0e0e0;
            border-radius: 9px;
            margin: 8px 0;
            overflow: hidden;
        }

.chart-fill {
            height: 100%;
            border-radius: 9px;
            transition: width 1s ease;
        }

.correct-fill {
            background: var(--success);
        }

.incorrect-fill {
            background: var(--danger);
        }

/* Mobile Optimizations */
        @media (max-width: 768px) {
            body {
                padding: 12px;
            }
            
            .container {
                padding: 0;
            }
            
            .header {
                margin-bottom: 20px;
            }
            
            .page-title {
                font-size: 1.5rem;
            }
            
            .start-screen {
                padding: 25px 20px;
            }
            
            .start-screen h1 {
                font-size: 1.5rem;
            }
            
            .quiz-header {
                padding: 18px;
            }
            
            .quiz-title {
                font-size: 1.1rem;
            }
            
            .quiz-body {
                padding: 20px 15px;
            }
            
            .question-text {
                font-size: 1.1rem;
                padding: 18px;
            }
            
            .option {
                padding: 14px 16px;
            }
            
            .quiz-footer {
                padding: 18px;
                flex-direction: column;
                gap: 10px;
            }
            
            .result-container {
                padding: 25px 20px;
            }
            
            .result-icon {
                width: 80px;
                height: 80px;
                font-size: 30px;
            }
            
            .result-score {
                font-size: 2.2rem;
            }
            
            .stat-box {
                padding: 18px 12px;
            }
            
            .stat-value {
                font-size: 1.8rem;
            }
            
            .buttons-container {
                flex-direction: column;
                gap: 10px;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
            
            .stats-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

@media (max-width: 480px) {
            .header-content {
                flex-direction: column;
                gap: 8px;
            }
            
            .stats-container {
                grid-template-columns: 1fr;
            }
            
            .option-text {
                font-size: 0.95rem;
            }
            
            .back-btn {
                width: 50px;
                height: 50px;
                font-size: 16px;
            }
            
            .page-title {
                font-size: 1.3rem;
            }
            
            .quiz-info {
                padding: 15px;
            }
            
            .info-item {
                flex-direction: column;
                gap: 5px;
            }
            
            .performance-chart {
                max-width: 100%;
            }
        }

/* Enhanced Mobile Interactions */
        @media (max-width: 768px) {
            .option {
                min-height: 60px;
            }
            
            .btn {
                min-height: 48px;
            }
            
            .back-btn:active,
            .btn:active,
            .option:active {
                transform: scale(0.98);
            }
        }

/* Improved Focus States for Accessibility */
        .btn:focus,
        .option:focus,
        .back-btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* Smooth scrolling for mobile */
        html {
            scroll-behavior: smooth;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="header" id="header">
            <button class="back-btn" onclick="goBack()">
                <i class="fas fa-arrow-right"></i>
            </button>
            <h1 class="page-title" id="page-title">نظام الاختبارات</h1>
        </div>
        
        
        <div class="start-screen" id="start-screen">
            <h1 id="quiz-title">اختبار الإنجليزية</h1>
            
            <p id="quiz-description">اختبار تفاعلي لقياس مستوى فهمك للغة الإنجليزية</p>
            
            <div class="quiz-info">
                <div class="info-item">
                    <span class="info-label">عدد الأسئلة:</span>
                    <span class="info-value" id="info-questions">0</span>
                </div>
            </div>
            
            <div class="buttons-container">
                <button class="btn btn-primary" id="start-btn">
                    <i class="fas fa-play"></i> بدء الاختبار
                </button>
                <button class="btn btn-outline" onclick="goToHome()">
                    <i class="fas fa-home"></i> العودة للرئيسية
                </button>
            </div>
        </div>
        
        
        <div class="quiz-container" id="quiz-container">
            <div class="quiz-header">
                <div class="header-content">
                    <div class="quiz-title" id="current-quiz-title">اختبار الإنجليزية</div>
                    <div class="question-progress" id="question-progress">سؤال 1 من 0</div>
                </div>
                
                <div class="progress-container">
                    <div class="progress-bar" id="progress-bar"></div>
                </div>
            </div>
            
            <div class="quiz-body" id="quiz-body">
                
            </div>
        </div>
        
        
        <div class="result-container" id="result-container">
            <div class="result-icon">
                <i class="fas fa-trophy" id="result-trophy"></i>
            </div>
            <div class="result-score" id="result-score">0/0</div>
            <div class="result-message" id="result-message">جيد جداً! يمكنك تحسين أدائك بالمزيد من الممارسة</div>
            
            <div class="performance-chart">
                <div class="chart-bar">
                    <div class="chart-fill correct-fill" id="correct-chart" style="width: 0%"></div>
                </div>
                <div class="chart-bar">
                    <div class="chart-fill incorrect-fill" id="incorrect-chart" style="width: 0%"></div>
                </div>
            </div>
            
            <div class="stats-container">
                <div class="stat-box">
                    <div class="stat-value" id="correct-answers">0</div>
                    <div class="stat-label">إجابات صحيحة</div>
                </div>
                <div class="stat-box">
                    <div class="stat-value" id="total-questions">0</div>
                    <div class="stat-label">إجمالي الأسئلة</div>
                </div>
                <div class="stat-box">
                    <div class="stat-value" id="success-rate">0%</div>
                    <div class="stat-label">نسبة النجاح</div>
                </div>
            </div>
            
            <div class="buttons-container">
                <button class="btn btn-primary" id="restart-btn">
                    <i class="fas fa-redo"></i> إعادة الاختبار
                </button>
                <button class="btn btn-outline" id="review-btn">
                    <i class="fas fa-search"></i> مراجعة الأخطاء
                </button>
                <button class="btn btn-outline" id="home-btn">
                    <i class="fas fa-home"></i> العودة للرئيسية
                </button>
            </div>
        </div>
    </div>
    
    
    <div class="loading-container" id="loading-container">
        <div class="loading-spinner"></div>
        <div class="loading-text" id="loading-text">جاري تحميل الأسئلة...</div>
    </div>

// ==============================================
    // قسم تحميل الأسئلة - محدث لنظام المجلدات الجديد
    // ==============================================
    function loadQuestions() {
        loadingContainer.style.display = 'flex';
        loadingText.textContent = 'جاري تحميل الأسئلة...';
        
        // الحصول على معلمات URL لتحديد المسار
        const urlParams = new URLSearchParams(window.location.search);
        const quizFile = urlParams.get('quiz') || 'q1.json';
        const branch = urlParams.get('branch') || 'a'; // a للعلمي، b للأدبي
        const unit = urlParams.get('unit') || 'l1'; // l1, l2, etc.
        
        // بناء المسار بناءً على الهيكل الجديد
        const quizPath = `../../${branch}/${unit}/${quizFile}`;
        
        console.log('جاري تحميل الأسئلة من:', quizPath);
        
        fetch(quizPath)
            .then(response => {
                if (!response.ok) {
                    throw new Error(`فشل تحميل الأسئلة: ${response.status}`);
                }
                return response.json();
            })
            .then(data => {
                questions = data;
                initializeQuizConfig();
                updateQuizInfo();
                setTimeout(() => {
                    loadingContainer.style.display = 'none';
                }, 800);
            })
            .catch(error => {
                console.error('حدث خطأ في تحميل الأسئلة:', error);
                showErrorScreen(`فشل تحميل الأسئلة: ${error.message}`);
            });
    }

function updateQuizInfo() {
        quizTitle.textContent = quizConfig.title;
        quizDescription.textContent = quizConfig.description;
        currentQuizTitle.textContent = quizConfig.title;
        pageTitle.textContent = quizConfig.title;
        
        infoQuestions.textContent = quizConfig.totalQuestions;
    }

function showErrorScreen(message) {
        loadingContainer.innerHTML = `
            <div style="text-align: center; padding: 20px;">
                <i class="fas fa-exclamation-triangle" style="font-size: 3.5rem; color: var(--danger); margin-bottom: 20px;"></i>
                <div class="loading-text" style="font-size: 1.1rem; margin-bottom: 25px;">${message}</div>
                <div class="buttons-container">
                    <button class="btn btn-primary" onclick="window.location.reload()" style="margin: 8px;">
                        <i class="fas fa-sync-alt"></i> إعادة المحاولة
                    </button>
                    <button class="btn btn-outline" onclick="goToHome()" style="margin: 8px;">
                        <i class="fas fa-home"></i> العودة للرئيسية
                    </button>
                </div>
            </div>
        `;
    }

// ==============================================
    // قسم بدء الاختبار
    // ==============================================
    function startQuiz() {
        if (questions.length === 0) {
            showToast("لا توجد أسئلة متاحة للاختبار");
            return;
        }
        
        // إخفاء الheader عند بدء الاختبار
        header.style.display = 'none';
        
        startScreen.style.display = 'none';
        quizContainer.style.display = 'block';
        userAnswers = Array(questions.length).fill(null);
        score = 0;
        currentQuestionIndex = 0;
        startTime = new Date();
        displayQuestion();
    }

// ==============================================
    // قسم عرض الأسئلة
    // ==============================================
    function displayQuestion() {
        const question = questions[currentQuestionIndex];
        
        questionProgress.textContent = `سؤال ${currentQuestionIndex + 1} من ${questions.length}`;
        progressBar.style.width = `${((currentQuestionIndex + 1) / questions.length) * 100}%`;
        
        let questionHTML = '';
        
        questionHTML += `<div class="question-text">${question.question}</div>`;
        
        questionHTML += `<div class="options-container" id="options-container">`;
        
        question.options.forEach((option, index) => {
            const isAnswered = userAnswers[currentQuestionIndex] !== null;
            const isSelected = userAnswers[currentQuestionIndex] === index;
            const isCorrect = index === question.correctAnswer;
            
            questionHTML += `
                <label class="option ${isAnswered ? 'disabled' : ''} 
                       ${isAnswered && isSelected ? (isCorrect ? 'correct' : 'incorrect') : ''}
                       ${isAnswered && isCorrect ? 'correct' : ''}">
                    <input type="radio" name="question" value="${index}" 
                           ${isAnswered ? 'disabled' : ''} 
                           ${isSelected ? 'checked' : ''}>
                    <span class="option-radio"></span>
                    <span class="option-text">${option}</span>
                </label>
            `;
        });
        
        questionHTML += `</div>`;
        
        questionHTML += `
            <div class="quiz-footer">
                <button class="btn btn-primary" onclick="nextQuestion()" id="next-btn">
                    ${currentQuestionIndex === questions.length - 1 ? 'إنهاء الاختبار' : 'التالي'}
                </button>
                <button class="btn btn-outline" onclick="previousQuestion()" ${currentQuestionIndex === 0 ? 'disabled' : ''}>
                    <i class="fas fa-arrow-right"></i> السابق
                </button>
            </div>
        `;
        
        quizBody.innerHTML = questionHTML;
        
        // إضافة مستمعي الأحداث للخيارات إذا لم يتم الإجابة بعد
        if (userAnswers[currentQuestionIndex] === null) {
            const options = document.querySelectorAll('.option');
            options.forEach(option => {
                option.addEventListener('click', function() {
                    if (!this.classList.contains('disabled')) {
                        const inputs = document.querySelectorAll('input[name="question"]');
                        inputs.forEach(input => {
                            input.checked = false;
                        });
                        this.querySelector('input').checked = true;
                    }
                });
            });
        }
    }

// ==============================================
    // قسم التنقل بين الأسئلة
    // ==============================================
    function nextQuestion() {
        const selectedOption = document.querySelector('input[name="question"]:checked');
        
        if (selectedOption || userAnswers[currentQuestionIndex] !== null) {
            if (userAnswers[currentQuestionIndex] === null) {
                const selectedValue = parseInt(selectedOption.value);
                userAnswers[currentQuestionIndex] = selectedValue;
                
                if (selectedValue === questions[currentQuestionIndex].correctAnswer) {
                    score++;
                }
                
                showFeedback();
            } else {
                goToNextQuestion();
            }
        } else {
            showToast("الرجاء اختيار إجابة قبل المتابعة");
        }
    }

function previousQuestion() {
        if (currentQuestionIndex > 0) {
            currentQuestionIndex--;
            displayQuestion();
        }
    }

// ==============================================
    // قسم إنهاء الاختبار وعرض النتائج
    // ==============================================
    function finishExam() {
        quizContainer.style.display = 'none';
        resultContainer.style.display = 'block';
        
        // إعادة إظهار الheader في شاشة النتائج
        header.style.display = 'flex';
        
        // حساب النتائج
        const correctCount = userAnswers.filter((ans, i) => ans === questions[i].correctAnswer).length;
        const totalQuestions = questions.length;
        const percentage = (correctCount / totalQuestions) * 100;
        
        // عرض النتائج
        resultScore.textContent = `${correctCount} / ${totalQuestions}`;
        successRateEl.textContent = `${Math.round(percentage)}%`;
        correctAnswersEl.textContent = correctCount;
        totalQuestionsEl.textContent = totalQuestions;
        
        // تحديث الرسوم البيانية
        correctChart.style.width = `${percentage}%`;
        incorrectChart.style.width = `${100 - percentage}%`;
        
        // تحديد رسالة النتيجة
        let message = '';
        let trophyIcon = 'fas fa-trophy';
        
        if (percentage >= 90) {
            message = "ممتاز! أداء رائع، لديك معرفة شاملة بالمادة";
            trophyIcon = 'fas fa-crown';
        } else if (percentage >= 75) {
            message = "جيد جداً! لديك فهم قوي للمادة";
            trophyIcon = 'fas fa-trophy';
        } else if (percentage >= 60) {
            message = "جيد! يمكنك تحسين أدائك بالمزيد من المراجعة";
            trophyIcon = 'fas fa-medal';
        } else if (percentage >= 50) {
            message = "مقبول! تحتاج إلى مزيد من الدراسة والمراجعة";
            trophyIcon = 'fas fa-star';
        } else {
            message = "يحتاج إلى تحسين! ننصحك بمراجعة المادة بشكل شامل";
            trophyIcon = 'fas fa-redo';
        }
        
        resultMessage.textContent = message;
        resultTrophy.className = trophyIcon;
        
        // إضافة تأثيرات حركية
        animateResults();
    }

// ==============================================
    // قسم مراجعة الأخطاء
    // ==============================================
    function reviewMistakes() {
        resultContainer.style.display = 'none';
        quizContainer.style.display = 'block';
        quizContainer.classList.add('review-mode');
        
        // إخفاء الheader في وضع المراجعة
        header.style.display = 'none';
        
        const wrongQuestions = [];
        userAnswers.forEach((answer, index) => {
            if (answer !== questions[index].correctAnswer && answer !== null) {
                wrongQuestions.push(index);
            }
        });
        
        if (wrongQuestions.length === 0) {
            showToast("لا توجد أخطاء لمراجعتها!");
            quizContainer.style.display = 'none';
            resultContainer.style.display = 'block';
            quizContainer.classList.remove('review-mode');
            // إعادة إظهار الheader
            header.style.display = 'flex';
            return;
        }
        
        currentQuestionIndex = 0;
        displayReviewQuestion(wrongQuestions);
    }

function previousReviewQuestion(wrongQuestions) {
        if (currentQuestionIndex > 0) {
            currentQuestionIndex--;
            displayReviewQuestion(wrongQuestions);
        }
    }

function endReview() {
        quizContainer.style.display = 'none';
        resultContainer.style.display = 'block';
        quizContainer.classList.remove('review-mode');
        // إعادة إظهار الheader
        header.style.display = 'flex';
    }

// ==============================================
    // قسم الأدوات المساعدة
    // ==============================================
    function showToast(message, type = 'error') {
        // إزالة أي toast سابق
        const existingToast = document.getElementById('toast');
        if (existingToast) {
            existingToast.remove();
        }
        
        // إنشاء toast جديد
        const toast = document.createElement('div');
        toast.className = `toast toast-${type}`;
        toast.id = 'toast';
        toast.innerHTML = `
            <i class="fas fa-${getToastIcon(type)}"></i>
            <span id="toast-message">${message}</span>
        `;
        
        document.body.appendChild(toast);
        toast.style.display = 'flex';
        
        setTimeout(() => {
            if (toast.parentNode) {
                toast.parentNode.removeChild(toast);
            }
        }, 3000);
    }
    
    function showConfirmToast(message, confirmCallback, cancelCallback) {
        // إزالة أي toast سابق
        const existingToast = document.getElementById('toast');
        if (existingToast) {
            existingToast.remove();
        }
        
        // إنشاء toast تأكيد
        const toast = document.createElement('div');
        toast.className = 'toast toast-confirm';
        toast.id = 'toast';
        toast.innerHTML = `
            <i class="fas fa-question-circle"></i>
            <span id="toast-message" style="text-align: center; margin-bottom: 10px;">${message}</span>
            <div class="toast-confirm-buttons">
                <button class="toast-confirm-btn toast-confirm-btn-primary" id="confirm-yes">نعم</button>
                <button class="toast-confirm-btn toast-confirm-btn-outline" id="confirm-no">لا</button>
            </div>
        `;
        
        document.body.appendChild(toast);
        toast.style.display = 'flex';
        
        // إضافة مستمعي الأحداث للأزرار
        document.getElementById('confirm-yes').addEventListener('click', function() {
            if (toast.parentNode) {
                toast.parentNode.removeChild(toast);
            }
            if (confirmCallback) confirmCallback();
        });
        
        document.getElementById('confirm-no').addEventListener('click', function() {
            if (toast.parentNode) {
                toast.parentNode.removeChild(toast);
            }
            if (cancelCallback) cancelCallback();
        });
    }
    
    function getToastIcon(type) {
        switch(type) {
            case 'success': return 'check-circle';
            case 'warning': return 'exclamation-triangle';
            case 'info': return 'info-circle';
            default: return 'exclamation-circle';
        }
    }
    
    function restartQuiz() {
        resultContainer.style.display = 'none';
        currentQuestionIndex = 0;
        score = 0;
        userAnswers = Array(questions.length).fill(null);
        startQuiz();
    }
    
    function goToHome() {
        window.history.back();
    }

// ==============================================
    // قسم تهيئة الأحداث
    // ==============================================
    startBtn.addEventListener('click', startQuiz);
    restartBtn.addEventListener('click', restartQuiz);
    homeBtn.addEventListener('click', goToHome);
    document.getElementById('review-btn').addEventListener('click', reviewMistakes);

// تحميل الأسئلة عند بدء الصفحة
    window.addEventListener('DOMContentLoaded', function() {
        loadQuestions();
    });

// جعل الدوال متاحة globally
    window.restartQuiz = restartQuiz;
    window.goToHome = goToHome;
    window.goBack = goBack;
</script>

</body>
</html>

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