✨ The Prompt Phrase
المصدر هو ~حدث~ ~مجرد~ عن ~الزمان~ ولكل مصدر فعل إذ هو في الحقيقة حدث وهو الشيء المشترك ما بين المصدر والفعل ومثاله ~آمن~ هو فعل ماضي أما مصدره فهو ~الإيمان~ - الإيمان مصدر آمن وهو حدث مجرد عن الزمان

💻 Code Preview

📦 All-in-One Code
<!DOCTYPE html>
<html lang="ar" dir="rtl">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>المصدر - Interactive Tutorial</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Amiri:wght@400;700&family=Tajawal:wght@300;400;500;700;800&display=swap" rel="stylesheet">
    <style>
        /* =============================================
           CSS CUSTOM PROPERTIES (VARIABLES)
        ============================================= */
        :root {
            --primary: #8b5cf6;
            --primary-dark: #7c3aed;
            --secondary: #06b6d4;
            --accent: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --success: #22c55e;
            
            --bg-dark: #0f172a;
            --bg-darker: #020617;
            --bg-card: rgba(30, 41, 59, 0.8);
            --bg-glass: rgba(255, 255, 255, 0.05);
            
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            
            --border-color: rgba(148, 163, 184, 0.2);
            --glow-primary: rgba(139, 92, 246, 0.4);
            --glow-secondary: rgba(6, 182, 212, 0.4);
            
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px var(--glow-primary);
            
            --transition-fast: 0.15s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            
            --font-arabic: 'Amiri', serif;
            --font-ui: 'Tajawal', sans-serif;
        }

        /* =============================================
           RESET & BASE STYLES
        ============================================= */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-ui);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Animated Background */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: 
                radial-gradient(ellipse 80% 50% at 20% 20%, rgba(139, 92, 246, 0.15), transparent),
                radial-gradient(ellipse 60% 40% at 80% 80%, rgba(6, 182, 212, 0.12), transparent),
                radial-gradient(ellipse 50% 30% at 50% 50%, rgba(16, 185, 129, 0.08), transparent);
            pointer-events: none;
            z-index: -1;
            animation: bgShift 15s ease-in-out infinite alternate;
        }

        @keyframes bgShift {
            0% { opacity: 1; filter: hue-rotate(0deg); }
            100% { opacity: 0.8; filter: hue-rotate(30deg); }
        }

        /* =============================================
           TYPOGRAPHY
        ============================================= */
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-arabic);
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
        }

        h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
        h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
        h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
        h4 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

        p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        .arabic-text {
            font-family: var(--font-arabic);
            font-size: 1.3em;
            line-height: 2.2;
        }

        /* =============================================
           UTILITY CLASSES
        ============================================= */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .text-center { text-align: center; }

        .gradient-text {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .gradient-text-alt {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* =============================================
           GLASS CARD COMPONENT
        ============================================= */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: var(--transition-normal);
        }

        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            border-color: rgba(139, 92, 246, 0.3);
        }

        /* =============================================
           NAVIGATION
        ============================================= */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 23, 42, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            padding: 0.75rem 0;
        }

        .nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .nav-logo {
            font-family: var(--font-arabic);
            font-size: 1.4rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-links {
            display: flex;
            gap: 0.5rem;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: var(--text-secondary);
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: var(--transition-fast);
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: var(--bg-glass);
        }

        /* =============================================
           HERO SECTION
        ============================================= */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 7rem 1.5rem 4rem;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            text-align: center;
            max-width: 950px;
            animation: heroFadeIn 1s ease-out;
        }

        @keyframes heroFadeIn {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 0.6rem 1.5rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            animation: badgePulse 3s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%, 100% { box-shadow: 0 0 0 0 var(--glow-primary); }
            50% { box-shadow: 0 0 0 12px transparent; }
        }

        .hero-title {
            margin-bottom: 1.5rem;
            text-shadow: 0 0 60px var(--glow-primary);
        }

        .hero-phrase-box {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            margin: 2.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .hero-phrase-box::before {
            content: '❝';
            position: absolute;
            top: -25px;
            right: 25px;
            font-size: 7rem;
            opacity: 0.08;
            color: var(--primary);
        }

        .hero-phrase-box::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
        }

        .hero-phrase {
            font-family: var(--font-arabic);
            font-size: clamp(1.1rem, 2.5vw, 1.6rem);
            line-height: 2.4;
            color: var(--text-primary);
        }

        .term {
            display: inline-block;
            padding: 0.15rem 0.75rem;
            margin: 0.15rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            transition: var(--transition-normal);
        }

        .term:hover {
            transform: scale(1.08);
        }

        .term-event {
            background: rgba(6, 182, 212, 0.2);
            color: var(--secondary);
            border: 1px solid rgba(6, 182, 212, 0.4);
        }

        .term-abstract {
            background: rgba(139, 92, 246, 0.2);
            color: var(--primary);
            border: 1px solid rgba(139, 92, 246, 0.4);
        }

        .term-time {
            background: rgba(245, 158, 11, 0.2);
            color: var(--warning);
            border: 1px solid rgba(245, 158, 11, 0.4);
        }

        .term-verb {
            background: rgba(239, 68, 68, 0.2);
            color: var(--danger);
            border: 1px solid rgba(239, 68, 68, 0.4);
        }

        .term-masdar {
            background: rgba(16, 185, 129, 0.2);
            color: var(--accent);
            border: 1px solid rgba(16, 185, 129, 0.4);
        }

        /* Floating decorations */
        .floating-icons {
            position: absolute;
            inset: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .float-icon {
            position: absolute;
            font-size: 2rem;
            opacity: 0.25;
            animation: floatAnim 8s ease-in-out infinite;
        }

        .float-icon:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; }
        .float-icon:nth-child(2) { top: 25%; right: 12%; animation-delay: 1.5s; }
        .float-icon:nth-child(3) { bottom: 35%; left: 15%; animation-delay: 3s; }
        .float-icon:nth-child(4) { bottom: 25%; right: 8%; animation-delay: 4.5s; }
        .float-icon:nth-child(5) { top: 55%; left: 5%; animation-delay: 2s; }
        .float-icon:nth-child(6) { top: 45%; right: 5%; animation-delay: 5s; }

        @keyframes floatAnim {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            25% { transform: translateY(-15px) rotate(5deg); }
            75% { transform: translateY(10px) rotate(-5deg); }
        }

        /* Stats */
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }

        .stat {
            text-align: center;
        }

        .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* =============================================
           SECTION STYLES
        ============================================= */
        .section {
            padding: 5rem 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-icon {
            font-size: 3.5rem;
            display: block;
            margin-bottom: 1rem;
            animation: iconBounce 2.5s ease-in-out infinite;
        }

        @keyframes iconBounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-12px); }
        }

        .section-title {
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* =============================================
           CONCEPT CARDS GRID
        ============================================= */
        .concepts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .concept-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: var(--transition-normal);
        }

        .concept-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: scaleX(0);
            transition: var(--transition-normal);
        }

        .concept-card:hover::before {
            transform: scaleX(1);
        }

        .concept-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .concept-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .concept-title {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .concept-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* =============================================
           VISUAL DIAGRAM
        ============================================= */
        .diagram-container {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            margin: 2rem 0;
        }

        .diagram {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }

        .diagram-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .diagram-box {
            background: var(--bg-card);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem 2rem;
            text-align: center;
            min-width: 150px;
            transition: var(--transition-normal);
        }

        .diagram-box:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-glow);
        }

        .diagram-box.masdar {
            border-color: var(--accent);
            background: rgba(16, 185, 129, 0.1);
        }

        .diagram-box.verb {
            border-color: var(--danger);
            background: rgba(239, 68, 68, 0.1);
        }

        .diagram-box.shared {
            border-color: var(--secondary);
            background: rgba(6, 182, 212, 0.1);
        }

        .diagram-box-title {
            font-family: var(--font-arabic);
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .diagram-box-subtitle {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .diagram-arrow {
            font-size: 2rem;
            color: var(--primary);
            animation: arrowPulse 1.5s ease-in-out infinite;
        }

        @keyframes arrowPulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.2); }
        }

        .diagram-connector {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        /* =============================================
           ACCORDION (Details/Summary)
        ============================================= */
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        details {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-normal);
        }

        details:hover {
            border-color: rgba(139, 92, 246, 0.4);
        }

        details[open] {
            box-shadow: var(--shadow-md);
        }

        summary {
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            list-style: none;
            transition: var(--transition-fast);
            color: var(--text-primary);
        }

        summary::-webkit-details-marker {
            display: none;
        }

        summary::before {
            content: '◀';
            font-size: 0.75rem;
            color: var(--primary);
            transition: var(--transition-fast);
        }

        details[open] summary::before {
            transform: rotate(-90deg);
        }

        summary:hover {
            background: rgba(139, 92, 246, 0.1);
        }

        .details-content {
            padding: 0 1.5rem 1.5rem;
            animation: slideIn 0.3s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* =============================================
           TABS (CSS-Only with Radio Buttons)
        ============================================= */
        .tabs-wrapper {
            margin: 2rem 0;
        }

        .tabs-nav {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 0;
        }

        .tab-input {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }

        .tab-label {
            padding: 1rem 1.75rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-bottom: none;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            cursor: pointer;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .tab-label:hover {
            background: rgba(139, 92, 246, 0.15);
            color: var(--text-primary);
        }

        .tab-input:checked + .tab-label {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            border-color: var(--primary);
        }

        .tabs-content {
            position: relative;
            min-height: 280px;
        }

        .tab-panel {
            display: none;
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
            padding: 2rem;
            animation: fadeIn 0.4s ease-out;
        }

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

        #tab-masdar:checked ~ .tabs-content .panel-masdar,
        #tab-verb:checked ~ .tabs-content .panel-verb,
        #tab-compare:checked ~ .tabs-content .panel-compare {
            display: block;
        }

        /* =============================================
           CODE BLOCKS
        ============================================= */
        .code-block {
            background: rgba(2, 6, 23, 0.8);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: 1.5rem 0;
        }

        .code-header {
            background: rgba(139, 92, 246, 0.15);
            padding: 0.75rem 1.25rem;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .code-title {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .code-body {
            padding: 1.5rem;
            font-family: 'Courier New', monospace;
            font-size: 1rem;
            line-height: 2;
            overflow-x: auto;
            direction: rtl;
        }

        .code-line {
            display: block;
            padding: 0.25rem 0;
        }

        .code-comment {
            color: var(--text-muted);
            font-style: italic;
        }

        .code-keyword {
            color: var(--primary);
            font-weight: 600;
        }

        .code-string {
            color: var(--accent);
        }

        .code-number {
            color: var(--secondary);
        }

        .code-highlight {
            background: rgba(139, 92, 246, 0.2);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
        }

        /* =============================================
           COMPARISON TABLE
        ============================================= */
        .table-wrapper {
            overflow-x: auto;
            margin: 2rem 0;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-glass);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 1.25rem 1.5rem;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background: rgba(139, 92, 246, 0.2);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
        }

        .comparison-table tbody tr {
            transition: var(--transition-fast);
        }

        .comparison-table tbody tr:hover {
            background: rgba(139, 92, 246, 0.08);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .table-check {
            color: var(--success);
            font-size: 1.4rem;
        }

        .table-cross {
            color: var(--danger);
            font-size: 1.4rem;
        }

        /* =============================================
           QUIZ SECTION (CSS-Only)
        ============================================= */
        .quiz-container {
            max-width: 750px;
            margin: 0 auto;
        }

        .quiz-question {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }

        .quiz-number {
            position: absolute;
            top: -12px;
            right: 20px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: var(--shadow-md);
        }

        .quiz-text {
            font-size: 1.2rem;
            font-family: var(--font-arabic);
            margin-bottom: 1.5rem;
            color: var(--text-primary);
            padding-top: 0.5rem;
        }

        .quiz-options {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .quiz-radio {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }

        .quiz-label {
            display: block;
            padding: 1rem 1.5rem;
            padding-right: 3.5rem;
            background: rgba(255, 255, 255, 0.03);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition-fast);
            position: relative;
            font-family: var(--font-arabic);
        }

        .quiz-label::before {
            content: '';
            position: absolute;
            right: 1rem;
            top: 50%;
            transform: translateY(-50%);
            width: 22px;
            height: 22px;
            border: 2px solid var(--border-color);
            border-radius: 50%;
            transition: var(--transition-fast);
        }

        .quiz-label:hover {
            border-color: var(--primary);
            background: rgba(139, 92, 246, 0.08);
        }

        .quiz-radio:checked + .quiz-label {
            border-color: var(--primary);
            background: rgba(139, 92, 246, 0.12);
        }

        .quiz-radio:checked + .quiz-label::before {
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: inset 0 0 0 3px var(--bg-dark);
        }

        /* Quiz Feedback */
        .quiz-feedback {
            margin-top: 1.25rem;
            padding: 1rem 1.25rem;
            border-radius: var(--radius-md);
            display: none;
            animation: feedbackPop 0.4s ease-out;
        }

        @keyframes feedbackPop {
            0% { transform: scale(0.9); opacity: 0; }
            100% { transform: scale(1); opacity: 1; }
        }

        .feedback-correct {
            background: rgba(34, 197, 94, 0.15);
            border: 1px solid rgba(34, 197, 94, 0.4);
            color: var(--success);
        }

        .feedback-wrong {
            background: rgba(239, 68, 68, 0.15);
            border: 1px solid rgba(239, 68, 68, 0.4);
            color: var(--danger);
        }

        /* Quiz 1 */
        #q1a:checked ~ .q1-correct { display: block; }
        #q1b:checked ~ .q1-wrong,
        #q1c:checked ~ .q1-wrong { display: block; }

        /* Quiz 2 */
        #q2b:checked ~ .q2-correct { display: block; }
        #q2a:checked ~ .q2-wrong,
        #q2c:checked ~ .q2-wrong { display: block; }

        /* Quiz 3 */
        #q3c:checked ~ .q3-correct { display: block; }
        #q3a:checked ~ .q3-wrong,
        #q3b:checked ~ .q3-wrong { display: block; }

        /* Confetti for correct answers */
        .confetti-box {
            position: absolute;
            inset: 0;
            pointer-events: none;
            overflow: hidden;
            opacity: 0;
        }

        #q1a:checked ~ .confetti-box,
        #q2b:checked ~ .confetti-box,
        #q3c:checked ~ .confetti-box {
            opacity: 1;
        }

        .confetti-piece {
            position: absolute;
            width: 10px;
            height: 10px;
            top: 0;
        }

        .confetti-piece:nth-child(1) { left: 10%; background: var(--primary); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0s; border-radius: 50%; }
        .confetti-piece:nth-child(2) { left: 20%; background: var(--secondary); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.1s; }
        .confetti-piece:nth-child(3) { left: 30%; background: var(--accent); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.2s; border-radius: 50%; }
        .confetti-piece:nth-child(4) { left: 40%; background: var(--warning); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.15s; }
        .confetti-piece:nth-child(5) { left: 50%; background: var(--primary); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.25s; border-radius: 50%; }
        .confetti-piece:nth-child(6) { left: 60%; background: var(--danger); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.05s; }
        .confetti-piece:nth-child(7) { left: 70%; background: var(--secondary); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.3s; border-radius: 50%; }
        .confetti-piece:nth-child(8) { left: 80%; background: var(--accent); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.12s; }
        .confetti-piece:nth-child(9) { left: 90%; background: var(--warning); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.22s; border-radius: 50%; }
        .confetti-piece:nth-child(10) { left: 15%; background: var(--primary); animation: confettiFall 1.8s ease-out forwards; animation-delay: 0.18s; }

        @keyframes confettiFall {
            0% {
                transform: translateY(-20px) rotate(0deg) scale(1);
                opacity: 1;
            }
            100% {
                transform: translateY(350px) rotate(720deg) scale(0.5);
                opacity: 0;
            }
        }

        /* =============================================
           TIPS SECTION
        ============================================= */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .tip-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            position: relative;
            overflow: hidden;
            transition: var(--transition-normal);
        }

        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, var(--primary), transparent);
            opacity: 0.1;
            border-radius: 0 0 0 100%;
        }

        .tip-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .tip-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 35px;
            height: 35px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .tip-title {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .tip-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* =============================================
           MISTAKES SECTION
        ============================================= */
        .mistake-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            margin-bottom: 1.5rem;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 1.5rem;
            align-items: flex-start;
            transition: var(--transition-normal);
        }

        .mistake-card:hover {
            border-color: rgba(239, 68, 68, 0.4);
            box-shadow: 0 0 25px rgba(239, 68, 68, 0.1);
        }

        .mistake-icon {
            font-size: 2.5rem;
        }

        .mistake-title {
            color: var(--danger);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

        .mistake-desc {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .mistake-fix {
            background: rgba(34, 197, 94, 0.1);
            border: 1px solid rgba(34, 197, 94, 0.25);
            border-radius: var(--radius-sm);
            padding: 1rem;
        }

        .mistake-fix-title {
            color: var(--success);
            font-weight: 600;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* =============================================
           SUMMARY CARD
        ============================================= */
        .summary-card {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(6, 182, 212, 0.15));
            border: 2px solid rgba(139, 92, 246, 0.3);
            border-radius: var(--radius-xl);
            padding: 3rem;
            position: relative;
            overflow: hidden;
        }

        .summary-card::before {
            content: '📋';
            position: absolute;
            top: -40px;
            left: -40px;
            font-size: 180px;
            opacity: 0.05;
        }

        .summary-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .summary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
        }

        .summary-item {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 1.5rem;
        }

        .summary-item-title {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .summary-list {
            list-style: none;
        }

        .summary-list li {
            padding: 0.5rem 0;
            padding-right: 1.75rem;
            position: relative;
            color: var(--text-secondary);
        }

        .summary-list li::before {
            content: '✓';
            position: absolute;
            right: 0;
            color: var(--accent);
            font-weight: 700;
        }

        /* =============================================
           TOOLTIP (CSS-Only)
        ============================================= */
        .tooltip {
            position: relative;
            display: inline-block;
            border-bottom: 2px dotted var(--primary);
            cursor: help;
        }

        .tooltip::after {
            content: attr(data-tip);
            position: absolute;
            bottom: calc(100% + 10px);
            left: 50%;
            transform: translateX(-50%);
            background: var(--bg-darker);
            color: var(--text-primary);
            padding: 0.75rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            white-space: nowrap;
            max-width: 280px;
            white-space: normal;
            text-align: center;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-fast);
            z-index: 100;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

        .tooltip::before {
            content: '';
            position: absolute;
            bottom: calc(100% + 2px);
            left: 50%;
            transform: translateX(-50%);
            border: 8px solid transparent;
            border-top-color: var(--bg-darker);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-fast);
        }

        .tooltip:hover::after,
        .tooltip:hover::before {
            opacity: 1;
            visibility: visible;
        }

        /* =============================================
           FOOTER
        ============================================= */
        .footer {
            background: rgba(2, 6, 23, 0.6);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0;
            margin-top: 4rem;
        }

        .footer-content {
            text-align: center;
        }

        .footer-logo {
            font-family: var(--font-arabic);
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }

        .footer-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 0.6rem 1.5rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* =============================================
           RESPONSIVE DESIGN
        ============================================= */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hero {
                padding: 5rem 1rem 3rem;
            }

            .hero-phrase {
                font-size: 1rem;
            }

            .hero-phrase-box {
                padding: 1.75rem;
            }

            .hero-stats {
                gap: 2rem;
            }

            .section {
                padding: 3.5rem 0;
            }

            .glass-card {
                padding: 1.5rem;
            }

            .diagram-row {
                flex-direction: column;
            }

            .diagram-connector {
                width: 3px;
                height: 40px;
            }

            .tab-label {
                padding: 0.75rem 1rem;
                font-size: 0.9rem;
            }

            .mistake-card {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .summary-card {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 480px) {
            html {
                font-size: 14px;
            }

            .term {
                display: block;
                margin: 0.4rem auto;
                max-width: fit-content;
            }

            .tabs-nav {
                flex-direction: column;
            }

            .tab-label {
                border-radius: var(--radius-md);
                border: 1px solid var(--border-color);
            }

            .tab-panel {
                border-radius: var(--radius-md);
            }
        }

        /* =============================================
           SCROLL ANIMATIONS (Pure CSS)
        ============================================= */
        .fade-up {
            animation: fadeUp 0.8s ease-out both;
        }

        .fade-up:nth-child(1) { animation-delay: 0.1s; }
        .fade-up:nth-child(2) { animation-delay: 0.2s; }
        .fade-up:nth-child(3) { animation-delay: 0.3s; }
        .fade-up:nth-child(4) { animation-delay: 0.4s; }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Achievement Badge */
        .achievement {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--success), #059669);
            color: white;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        /* Progress indicator */
        .progress-dots {
            display: flex;
            justify-content: center;
            gap: 0.75rem;
            margin: 2rem 0;
        }

        .progress-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--border-color);
            transition: var(--transition-normal);
        }

        .progress-dot.active {
            background: var(--primary);
            box-shadow: 0 0 10px var(--glow-primary);
        }
    </style>
</head>
<body>
    <!-- Navigation -->
    <nav class="navbar">
        <div class="container nav-content">
            <div class="nav-logo">📚 المصدر</div>
            <ul class="nav-links">
                <li><a href="#what">ما هو؟</a></li>
                <li><a href="#why">لماذا؟</a></li>
                <li><a href="#how">كيف يعمل؟</a></li>
                <li><a href="#examples">أمثلة</a></li>
                <li><a href="#quiz">اختبار</a></li>
            </ul>
        </div>
    </nav>

    <!-- Hero Section -->
    <header class="hero" id="top">
        <div class="floating-icons">
            <span class="float-icon">📖</span>
            <span class="float-icon">✨</span>
            <span class="float-icon">🎯</span>
            <span class="float-icon">💡</span>
            <span class="float-icon">🌟</span>
            <span class="float-icon">📝</span>
        </div>

        <div class="hero-content">
            <span class="hero-badge">🎓 درس تفاعلي في الصرف العربي</span>
            
            <h1 class="hero-title">
                <span class="gradient-text">المصدر في اللغة العربية</span>
            </h1>
            
            <p style="font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 1rem;">
                الحدث المجرد عن الزمان — أصل المشتقات وجوهر المعنى
            </p>

            <div class="hero-phrase-box">
                <p class="hero-phrase">
                    المصدر هو 
                    <span class="term term-event">حدث</span>
                    <span class="term term-abstract">مجرد</span>
                    عن 
                    <span class="term term-time">الزمان</span>
                    ولكل مصدر فعل إذ هو في الحقيقة حدث وهو الشيء المشترك ما بين المصدر والفعل ومثاله 
                    <span class="term term-verb">آمَنَ</span>
                    هو فعل ماضٍ أما مصدره فهو 
                    <span class="term term-masdar">الإيمان</span>
                    — الإيمان مصدر آمن وهو حدث مجرد عن الزمان
                </p>
            </div>

            <div class="hero-stats">
                <div class="stat">
                    <div class="stat-value">∞</div>
                    <div class="stat-label">مصادر في العربية</div>
                </div>
                <div class="stat">
                    <div class="stat-value">1</div>
                    <div class="stat-label">عنصر مشترك (الحدث)</div>
                </div>
                <div class="stat">
                    <div class="stat-value">0</div>
                    <div class="stat-label">زمان في المصدر</div>
                </div>
            </div>
        </div>
    </header>

    <!-- What Is It Section -->
    <section class="section" id="what">
        <div class="container">
            <div class="section-header">
                <span class="section-icon">🤔</span>
                <h2 class="section-title">ما هو المصدر؟</h2>
                <p class="section-subtitle">فهم الأساس الصرفي للمصادر العربية</p>
            </div>

            <div class="glass-card" style="margin-bottom: 2rem;">
                <p class="arabic-text" style="font-size: 1.25rem; color: var(--text-primary); margin-bottom: 1.5rem;">
                    المصدر هو <strong>الاسم الدال على الحدث مجرداً من الزمان</strong>. فهو يحمل معنى الفعل دون أن يرتبط بزمن ماضٍ أو حاضر أو مستقبل.
                </p>
                <p style="color: var(--text-secondary); font-size: 1.1rem;">
                    تخيل أن الحدث هو <strong>الجوهر المشترك</strong> بين الفعل والمصدر — كلاهما يدل على نفس الفعل، لكن الفعل يضيف بُعد الزمان، بينما المصدر يبقى مجرداً خالصاً.
                </p>
            </div>

            <div class="concepts-grid">
                <div class="concept-card fade-up">
                    <div class="concept-icon">⚡</div>
                    <h3 class="concept-title">الحدث (Event)</h3>
                    <p class="concept-desc">
                        الفعل أو العمل الذي يُشير إليه اللفظ. مثل: الكتابة، القراءة، الإيمان، الصلاة...
                    </p>
                </div>

                <div class="concept-card fade-up">
                    <div class="concept-icon">🚫</div>
                    <h3 class="concept-title">التجريد من الزمان</h3>
                    <p class="concept-desc">
                        المصدر لا يدل على وقت حدوث الفعل. "الإيمان" لا يخبرك متى آمن الشخص.
                    </p>
                </div>

                <div class="concept-card fade-up">
                    <div class="concept-icon">🔗</div>
                    <h3 class="concept-title">العلاقة بالفعل</h3>
                    <p class="concept-desc">
                        لكل فعل مصدر، ولكل مصدر فعل. هما وجهان لعملة واحدة — الحدث.
                    </p>
                </div>
            </div>

            <!-- Visual Diagram -->
            <div class="diagram-container">
                <h3 class="text-center" style="margin-bottom: 2rem;">🎨 العلاقة بين المصدر والفعل</h3>
                
                <div class="diagram">
                    <div class="diagram-row">
                        <div class="diagram-box masdar">
                            <div class="diagram-box-title">الإيمان</div>
                            <div class="diagram-box-subtitle">المصدر (حدث مجرد)</div>
                        </div>
                        
                        <span class="diagram-connector"></span>
                        
                        <div class="diagram-box shared">
                            <div class="diagram-box-title">الحدث</div>
                            <div class="diagram-box-subtitle">العنصر المشترك</div>
                        </div>
                        
                        <span class="diagram-connector"></span>
                        
                        <div class="diagram-box verb">
                            <div class="diagram-box-title">آمَنَ</div>
                            <div class="diagram-box-subtitle">الفعل (حدث + زمان)</div>
                        </div>
                    </div>
                    
                    <div class="diagram-arrow">⬇️</div>
                    
                    <div style="text-align: center; max-width: 500px;">
                        <p style="color: var(--text-secondary);">
                            <strong style="color: var(--accent);">المصدر</strong> = الحدث فقط
                            <br>
                            <strong style="color: var(--danger);">الفعل</strong> = الحدث + الزمان
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Why Section -->
    <section class="section" id="why">
        <div class="container">
            <div class="section-header">
                <span class="section-icon">💡</span>
                <h2 class="section-title">لماذا نتعلم المصدر؟</h2>
                <p class="section-subtitle">أهمية فهم المصادر في إتقان العربية</p>
            </div>

            <div class="accordion">
                <details open>
                    <summary>🏛️ المصدر أصل المشتقات</summary>
                    <div class="details-content">
                        <p>يرى كثير من النحاة أن المصدر هو أصل الكلمات المشتقة. فمن المصدر "كِتابة" نشتق: كَتَبَ، يَكتُب، كاتِب، مكتوب، مَكتَب... فهم المصدر يفتح لك باب فهم عائلة الكلمات بأكملها.</p>
                    </div>
                </details>

                <details>
                    <summary>📚 فهم القرآن والأحاديث</summary>
                    <div class="details-content">
                        <p>النصوص الدينية تستخدم المصادر بكثرة للتعبير عن المعاني المجردة. مثل: "الإيمان"، "الإسلام"، "الإحسان"، "التوحيد". فهم المصدر يعمّق فهمك للنصوص الشرعية.</p>
                    </div>
                </details>

                <details>
                    <summary>✍️ الدقة في التعبير</summary>
                    <div class="details-content">
                        <p>استخدام المصدر يعطي معنى العمومية والإطلاق. عندما تقول "أحب القراءة" فأنت تتحدث عن الفعل بشكل مطلق، بينما "قرأتُ" تحدد زمناً معيناً.</p>
                    </div>
                </details>

                <details>
                    <summary>🎯 إتقان الإعراب</summary>
                    <div class="details-content">
                        <p>المصدر يُعرب إعراب الأسماء (رفع، نصب، جر)، بينما الفعل له إعرابه الخاص. معرفة الفرق ضرورية للإعراب الصحيح.</p>
                    </div>
                </details>

                <details>
                    <summary>🌟 البلاغة والأدب</summary>
                    <div class="details-content">
                        <p>الأدباء يستخدمون المصادر للتعبير عن المعاني السامية والمجردة. المصدر يعطي إحساساً بالخلود والاستمرارية لا يعطيه الفعل المقيد بالزمان.</p>
                    </div>
                </details>
            </div>
        </div>
    </section>

    <!-- How It Works Section -->
    <section class="section" id="how">
        <div class="container">
            <div class="section-header">
                <span class="section-icon">⚙️</span>
                <h2 class="section-title">كيف يعمل المصدر؟</h2>
                <p class="section-subtitle">شرح تفصيلي مع أمثلة توضيحية</p>
            </div>

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