/* Quiz History - Modern Categorized Design */

/* CSS Variables */
:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #a5b4fc;
    --secondary-color: #06b6d4;
    --secondary-hover: #0891b2;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    --background: #ffffff;
    --background-secondary: #f8fafc;
    --background-tertiary: #f1f5f9;
    --surface: #ffffff;
    --surface-hover: #f8fafc;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    direction: rtl;
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}

/* Skip to main content */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--text-inverse);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: 100;
    transition: var(--transition);
}

.skip-to-main:focus {
    top: 6px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    transition: var(--transition);
}

.logo:hover {
    color: var(--primary-color);
    transform: scale(1.05);
}

.logo-icon {
    font-size: 1.5rem;
    display: inline-block;
    vertical-align: middle;
}

/* Logo image specific styles */
img.logo-icon {
    width: 35px;
    height: 35px;
    object-fit: contain;
    font-size: initial;
}

.btn-home {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: var(--text-inverse);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.9rem;
}

.btn-home:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Main Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    flex: 1;
}

/* Hero Header */
.hero-header {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-icon {
    font-size: 3.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 120px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* Categories Section */
.categories-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Main Sections Grid */
.main-sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Main Section Cards */
.main-section {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.main-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--section-color, var(--primary-color)), var(--section-color-light, var(--primary-light)));
    transform: scaleX(0);
    transition: var(--transition);
}

.main-section:hover::before {
    transform: scaleX(1);
}

.main-section:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--section-color, var(--primary-color));
}

/* Section-specific colors */
.history-section {
    --section-color: var(--primary-color);
    --section-color-light: var(--primary-light);
}

.sports-section {
    --section-color: var(--success-color);
    --section-color-light: #6ee7b7;
}

.science-section {
    --section-color: var(--secondary-color);
    --section-color-light: #67e8f9;
}

.entertainment-section {
    --section-color: var(--accent-color);
    --section-color-light: #fbbf24;
}

.section-header {
    text-align: center;
    position: relative;
}

.section-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
    transition: var(--transition);
}

.main-section:hover .section-icon {
    transform: scale(1.1);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.section-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.section-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-badge {
    background: var(--section-color, var(--primary-color));
    color: var(--text-inverse);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-arrow {
    position: absolute;
    bottom: -0.5rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--section-color, var(--primary-color));
    font-weight: bold;
    transition: var(--transition);
}

.main-section:hover .section-arrow {
    transform: translateX(-5px);
}

/* Categories Detail View */
.categories-detail {
    animation: slideIn 0.3s ease-out;
}

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

.detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem 0;
    border-bottom: 2px solid var(--border-color);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.back-btn:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.back-icon {
    font-size: 1.25rem;
    transition: var(--transition);
}

.back-btn:hover .back-icon {
    transform: translateX(3px);
}

.detail-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Category Cards */
.category-card {
    background: var(--surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 180px;
    box-shadow: var(--shadow-sm);
}

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

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

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-card:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Category-specific colors */
.category-card.history {
    --card-color: var(--primary-color);
}

.category-card.sports {
    --card-color: var(--success-color);
}

.category-card.science {
    --card-color: var(--secondary-color);
}

.category-card.entertainment {
    --card-color: var(--accent-color);
}

.category-card:hover {
    border-color: var(--card-color);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.category-card:hover .card-icon {
    transform: scale(1.1);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--card-color, var(--primary-color));
    color: var(--text-inverse);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Call to Action Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-xl);
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 3rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.25rem;
}

.feature-text {
    color: var(--text-inverse);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--background);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 3rem 0 2rem;
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 1.5rem;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-credits {
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-item {
        min-width: 100px;
        padding: 0.75rem;
    }
    
    .main-sections-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1rem;
    }
    
    .main-section {
        padding: 1.5rem;
    }
    
    .section-icon {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .detail-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .detail-title {
        font-size: 1.75rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-features {
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        padding: 2rem 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem 0.5rem;
    }
    
    .hero-header {
        padding: 2rem 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .main-sections-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .main-section {
        padding: 1.25rem;
    }
    
    .section-icon {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.125rem;
    }
    
    .section-description {
        font-size: 0.9rem;
    }
    
    .section-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .stat-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .category-card {
        min-height: 160px;
        padding: 1.25rem;
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
    
    .categories-section {
        gap: 1.5rem;
    }
    
    .detail-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        text-align: center;
    }
    
    .back-btn {
        align-self: flex-start;
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .detail-title {
        font-size: 1.5rem;
    }
    
    .cta-section {
        padding: 2rem 1rem;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-description {
        font-size: 1rem;
    }
    
    .cta-features {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 1.5rem 0 1rem;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-bottom {
        padding: 1rem 0;
        font-size: 0.85rem;
    }
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .cta-section {
        display: none;
    }
    
    .hero-header,
    .category-group {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-icon {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .category-card {
        border-width: 3px;
    }
    
    .card-badge {
        border: 2px solid var(--text-inverse);
    }
}