/* ============================================
   YAZAN RADIO - ملف التنسيقات الرئيسي
   الإصدار: 2.0.0
   التاريخ: 2024
   ============================================ */


/* ============================================
   1. المتغيرات العامة
   ============================================ */
:root {
    /* الألوان الرئيسية */
    --primary-color: #0a0a1a;
    --secondary-color: #121230;
    --accent-color: #00dbde;
    --accent-gradient: linear-gradient(45deg, #00dbde, #fc00ff);
    --accent-gradient-reverse: linear-gradient(45deg, #fc00ff, #00dbde);
    
    /* الألوان النصية */
    --text-primary: #ffffff;
    --text-secondary: #b0b0d0;
    --text-muted: #8080a0;
    
    /* ألوان الحالة */
    --success-color: #2ed573;
    --warning-color: #ffa502;
    --danger-color: #ff4757;
    --info-color: #1e90ff;
    
    /* ألوان الخلفيات */
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-bg-hover: rgba(255, 255, 255, 0.1);
    --overlay-bg: rgba(10, 10, 26, 0.95);
    --modal-bg: rgba(18, 18, 48, 0.98);
    
    /* الحدود والتظليل */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-light: rgba(255, 255, 255, 0.05);
    --border-color-dark: rgba(0, 0, 0, 0.3);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.2);
    --shadow-heavy: 0 20px 50px rgba(0, 0, 0, 0.5);
    
    /* الأنماط الهندسية */
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 25px;
    --radius-xl: 50px;
    --radius-circle: 50%;
    
    /* التباعد */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 50px;
    --spacing-xxl: 80px;
    
    /* الأنميشن */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* الأبعاد */
    --header-height: 80px;
    --player-height: 200px;
    --sidebar-width: 280px;
}


/* ============================================
   2. إعادة الضبط والإعدادات العامة
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


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


body {
    font-family: 'Cairo', 'Tajawal', sans-serif;
    background: var(--primary-color);
    color: var(--text-primary);
    line-height: 1.6;
    direction: rtl;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}


body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 219, 222, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(252, 0, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(30, 144, 255, 0.03) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}


/* التحديد */
::selection {
    background: var(--accent-color);
    color: white;
}


::-moz-selection {
    background: var(--accent-color);
    color: white;
}


/* شريط التمرير */
::-webkit-scrollbar {
    width: 10px;
}


::-webkit-scrollbar-track {
    background: var(--secondary-color);
}


::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: var(--radius-sm);
}


::-webkit-scrollbar-thumb:hover {
    background: #00c7cb;
}


/* ============================================
   3. شاشة التحميل
   ============================================ */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}


.loading-content {
    text-align: center;
    animation: fadeInUp 0.8s ease;
}


.loader {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: var(--radius-circle);
    animation: spin 1.2s linear infinite;
    margin: 0 auto var(--spacing-lg);
    position: relative;
}


.loader::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border: 4px solid transparent;
    border-top-color: rgba(252, 0, 255, 0.3);
    border-radius: var(--radius-circle);
    animation: spin 1.5s linear infinite reverse;
}


.loading-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s infinite;
}


.loading-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}


/* ============================================
   4. الشعار العائم
   ============================================ */
.floating-logo {
    position: fixed;
    top: 25px;
    left: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(10, 10, 26, 0.9);
    padding: 12px 20px;
    border-radius: var(--radius-xl);
    z-index: 1001;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    animation: slideInLeft 0.8s ease;
    transition: all var(--transition-normal);
}


.floating-logo:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--accent-color);
}


.logo-circle {
    width: 45px;
    height: 45px;
    background: var(--accent-gradient);
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    animation: pulse 2s infinite;
}


.floating-logo span {
    font-weight: 700;
    font-size: 1.1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* ============================================
   5. شريط التنقل
   ============================================ */
.navbar {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(15px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    display: flex;
    align-items: center;
}


.nav-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}


.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}


.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: transform var(--transition-normal);
}


.logo:hover {
    transform: scale(1.05);
}


.logo i {
    font-size: 36px;
    color: var(--accent-color);
    animation: rotate 20s linear infinite;
}


.logo h1 {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 1px;
}


.logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


.badges {
    display: flex;
    gap: var(--spacing-sm);
}


.badge {
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
}


.badge.live {
    background: linear-gradient(45deg, var(--danger-color), #ff6b81);
    animation: pulse 2s infinite;
    box-shadow: 0 0 15px rgba(255, 71, 87, 0.3);
}


.badge.premium {
    background: linear-gradient(45deg, #ffd700, #ff8c00);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}


.badge.live:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.5);
}


.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 45px;
    height: 45px;
    border-radius: var(--radius-circle);
    background: var(--card-bg);
    transition: all var(--transition-normal);
}


.menu-toggle:hover {
    background: var(--card-bg-hover);
    transform: rotate(90deg);
}


.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}


.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 10px 20px;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}


.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    transition: right var(--transition-normal);
    z-index: -1;
}


.nav-link:hover {
    color: white;
    transform: translateY(-2px);
}


.nav-link:hover::before {
    right: 0;
}


.nav-link.active {
    color: white;
    background: var(--accent-gradient);
    box-shadow: 0 5px 15px rgba(0, 219, 222, 0.3);
}


.nav-link i {
    font-size: 1.1rem;
}


/* ============================================
   6. القسم الرئيسي (الهيدر)
   ============================================ */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: var(--spacing-xxl) var(--spacing-lg) 180px;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}


.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 219, 222, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(252, 0, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}


.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}


.coming-soon-banner {
    background: linear-gradient(45deg, #667eea, #764ba2);
    padding: 20px 40px;
    border-radius: var(--radius-xl);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    overflow: hidden;
}


.coming-soon-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}


.pulse-effect {
    width: 12px;
    height: 12px;
    background: var(--success-color);
    border-radius: var(--radius-circle);
    animation: pulse 2s infinite;
    margin-left: 10px;
}


.coming-soon-banner h2 {
    font-size: 1.5rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}


.coming-soon-banner p {
    margin: 5px 0 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}


.hero-text {
    max-width: 800px;
}


.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, #fff 30%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    animation: fadeInUp 1s ease 0.3s both;
}


.hero-subtitle {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.5s both;
}


.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    max-width: 600px;
    animation: fadeInUp 1s ease 0.7s both;
}


.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    animation: fadeInUp 1s ease 0.9s both;
}


.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    min-width: 150px;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}


.stat:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0, 219, 222, 0.2);
}


.stat i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}


.stat .count {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 5px;
}


.stat span:last-child {
    color: var(--text-secondary);
    font-size: 0.95rem;
}


.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}


.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 120px;
    fill: var(--secondary-color);
}


/* ============================================
   7. قسم المشغل
   ============================================ */
.player-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--secondary-color);
    position: relative;
}


.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}


.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}


.section-header h2 i {
    color: var(--accent-color);
    font-size: 2.2rem;
}


.section-header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
}


.player-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-heavy);
}


.connection-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}


.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}


.status-dot {
    width: 12px;
    height: 12px;
    background: var(--success-color);
    border-radius: var(--radius-circle);
    animation: blink 1.5s infinite;
    box-shadow: 0 0 10px var(--success-color);
}


.status-text {
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.1rem;
}


.bitrate {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(46, 213, 115, 0.1);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(46, 213, 115, 0.3);
}


.bitrate i {
    color: var(--success-color);
}


.bitrate span {
    color: var(--text-primary);
    font-weight: 600;
}


.now-playing-card {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
}


.album-art {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}


.vinyl-record {
    position: relative;
    width: 180px;
    height: 180px;
    flex-shrink: 0;
}


.vinyl {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #222, #000);
    border-radius: var(--radius-circle);
    position: relative;
    animation: rotate 20s linear infinite paused;
    box-shadow: 
        0 0 20px rgba(0, 0, 0, 0.5),
        inset 0 0 40px rgba(0, 219, 222, 0.1);
    border: 8px solid #111;
}


.vinyl-hole {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: var(--radius-circle);
    border: 4px solid #222;
}


.vinyl-shadow {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: radial-gradient(circle at 30% 30%, rgba(0, 219, 222, 0.1), transparent 70%);
    border-radius: var(--radius-circle);
}


.album-info {
    flex: 1;
}


.album-info h3 {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    background: linear-gradient(45deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


.album-info p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}


.song-progress {
    margin-top: var(--spacing-xl);
}


.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
}


.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 3px;
    width: 30%;
    position: relative;
    transition: width 0.3s ease;
}


.progress-fill::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(50%, -50%);
    width: 16px;
    height: 16px;
    background: white;
    border-radius: var(--radius-circle);
    box-shadow: 0 0 10px var(--accent-color);
}


.time-display {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9rem;
}


.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}


.control-btn {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-circle);
    border: none;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
}


.control-btn:hover {
    background: var(--card-bg-hover);
    transform: scale(1.1);
    border-color: var(--accent-color);
    box-shadow: 0 5px 15px rgba(0, 219, 222, 0.3);
}


.control-btn.main-btn {
    width: 80px;
    height: 80px;
    font-size: 2rem;
    background: var(--accent-gradient);
    border: none;
    box-shadow: 0 10px 30px rgba(0, 219, 222, 0.4);
}


.control-btn.main-btn:hover {
    transform: scale(1.15);
    box-shadow: 0 15px 40px rgba(0, 219, 222, 0.6);
}


.extra-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}


.volume-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}


.volume-control i {
    color: var(--accent-color);
    font-size: 1.2rem;
}


.volume-slider {
    width: 200px;
    height: 6px;
    -webkit-appearance: none;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
}


.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-circle);
    background: var(--accent-color);
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 0 10px rgba(0, 219, 222, 0.5);
}


.volume-value {
    min-width: 45px;
    text-align: center;
    font-weight: bold;
    color: var(--accent-color);
    font-size: 1.1rem;
}


.playback-options {
    display: flex;
    gap: var(--spacing-sm);
}


.option-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-circle);
    border: none;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}


.option-btn:hover {
    background: var(--card-bg-hover);
    transform: scale(1.1);
    border-color: var(--accent-color);
}


.option-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}


.stream-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}


.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}


.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 25px rgba(0, 219, 222, 0.2);
}


.stat-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 219, 222, 0.1);
    border-radius: var(--radius-circle);
}


.stat-card h4 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}


.stat-card p {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}


.quality-high {
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.3rem;
}


/* ============================================
   8. قسم الأغاني
   ============================================ */
.songs-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--primary-color);
}


.song-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}


.filter-btn {
    padding: 12px 28px;
    border: none;
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: var(--radius-xl);
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}


.filter-btn:hover {
    background: var(--card-bg-hover);
    color: var(--text-primary);
    transform: translateY(-3px);
}


.filter-btn.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 5px 20px rgba(0, 219, 222, 0.3);
}


.songs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}


.song-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}


.song-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 0;
    background: var(--accent-gradient);
    transition: height var(--transition-normal);
}


.song-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}


.song-card:hover::before {
    height: 100%;
}


.song-card.playing {
    background: rgba(0, 219, 222, 0.1);
    border-color: var(--accent-color);
}


.song-card.playing::before {
    height: 100%;
}


.song-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-muted);
    width: 40px;
    text-align: center;
}


.song-card.playing .song-number {
    color: var(--accent-color);
}


.song-cover {
    width: 70px;
    height: 70px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}


.song-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 3s infinite;
}


.trending {
    position: absolute;
    top: -5px;
    left: -5px;
    background: var(--danger-color);
    color: white;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 3px;
}


.song-details {
    flex: 1;
}


.song-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 5px;
    font-weight: 700;
}


.song-artist {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}


.song-meta {
    display: flex;
    gap: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.9rem;
}


.song-meta i {
    margin-left: 5px;
}


.song-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}


.song-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-circle);
    border: none;
    background: var(--card-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}


.song-btn:hover {
    background: var(--card-bg-hover);
    transform: scale(1.1);
}


.favorite-btn.active {
    background: var(--danger-color);
    color: white;
}


.play-btn {
    background: var(--accent-gradient);
    color: white;
}


.song-duration {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 5px;
}


.load-more {
    text-align: center;
    margin-top: var(--spacing-xl);
}


.load-btn {
    padding: 15px 40px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}


.load-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 219, 222, 0.4);
}


/* ============================================
   9. قسم البرامج
   ============================================ */
.programs-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--secondary-color);
}


.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}


.program-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}


.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}


.program-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}


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


.program-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin: 0 auto var(--spacing-lg);
    background: var(--accent-gradient);
}


.program-icon.morning { background: linear-gradient(45deg, #FFD700, #FF8C00); }
.program-icon.noon { background: linear-gradient(45deg, #FF8C00, #FF4500); }
.program-icon.evening { background: linear-gradient(45deg, #9370DB, #4169E1); }


.program-card h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}


.program-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}


.program-time {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}


.host {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}


.reminder-btn {
    padding: 10px 25px;
    background: rgba(0, 219, 222, 0.1);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    border-radius: var(--radius-xl);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}


.reminder-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.05);
}


/* ============================================
   10. قسم التطبيق
   ============================================ */
.app-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--primary-color);
    position: relative;
    overflow: hidden;
}


.app-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 10%, rgba(0, 219, 222, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 90%, rgba(252, 0, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}


.app-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}


.app-content h2 {
    font-size: 2.8rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}


.app-content p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}


.app-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}


.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}


.feature:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 20px rgba(0, 219, 222, 0.2);
}


.feature i {
    color: var(--accent-color);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 219, 222, 0.1);
    border-radius: var(--radius-circle);
}


.feature span {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}


.app-badges {
    margin-top: var(--spacing-xl);
}


.coming-soon {
    text-align: center;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.3), rgba(0, 219, 222, 0.1));
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}


.pulse-animation {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin: 0 auto var(--spacing-lg);
    animation: pulse 2s infinite;
}


.coming-soon h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}


.coming-soon p {
    color: var(--text-secondary);
    margin: 0;
}


.store-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
}


.store-btn {
    padding: 15px 25px;
    border-radius: var(--radius-lg);
    border: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    min-width: 200px;
    opacity: 0.7;
}


.store-btn.disabled {
    cursor: not-allowed;
    position: relative;
}


.store-btn.disabled::after {
    content: 'قريباً';
    position: absolute;
    top: -10px;
    left: -10px;
    background: var(--accent-color);
    color: white;
    padding: 5px 15px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: bold;
    animation: pulse 2s infinite;
}


.store-btn.google-play {
    background: linear-gradient(45deg, #4285F4, #34A853);
    color: white;
}


.store-btn.app-store {
    background: linear-gradient(45deg, #000, #333);
    color: white;
}


.store-btn i {
    font-size: 2.5rem;
}


.store-btn div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}


.store-btn span {
    font-size: 0.8rem;
    opacity: 0.9;
}


.store-btn strong {
    font-size: 1.2rem;
}


.app-preview {
    display: flex;
    justify-content: center;
}


.phone-mockup {
    width: 300px;
    height: 600px;
    background: #222;
    border-radius: 40px;
    padding: 20px;
    position: relative;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        inset 0 0 20px rgba(0, 219, 222, 0.1);
    border: 8px solid #111;
}


.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}


.screen-content {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}


.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}


.app-header span {
    font-weight: 700;
    font-size: 1.2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


.app-header i {
    color: var(--accent-color);
    font-size: 1.5rem;
}


.now-playing-app {
    text-align: center;
    margin-bottom: 40px;
}


.now-playing-app h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 10px;
}


.now-playing-app p {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
}


.app-controls {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}


.app-controls i {
    font-size: 5rem;
    color: var(--accent-color);
    animation: pulse 2s infinite;
}


/* ============================================
   11. قسم عنا
   ============================================ */
.about-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--secondary-color);
}


.about-content {
    max-width: 1200px;
    margin: 0 auto;
}


.about-text h3 {
    font-size: 2.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}


.about-text h3 i {
    color: var(--accent-color);
}


.about-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
}


.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}


.value-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}


.value-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0, 219, 222, 0.2);
}


.value-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 219, 222, 0.1);
    border-radius: var(--radius-circle);
    margin: 0 auto var(--spacing-md);
}


.value-item h4 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}


.value-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}


.team-section {
    margin-top: var(--spacing-xxl);
}


.team-section h3 {
    font-size: 2.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}


.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}


.team-member {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}


.team-member:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 219, 222, 0.2);
}


.member-avatar {
    width: 100px;
    height: 100px;
    background: var(--accent-gradient);
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin: 0 auto var(--spacing-lg);
    border: 5px solid var(--secondary-color);
}


.team-member h4 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}


.team-member p {
    color: var(--text-secondary);
    font-size: 1rem;
}


/* ============================================
   12. قسم الاتصال
   ============================================ */
.contact-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--primary-color);
}


.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xxl);
}


.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}


.info-card {
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-normal);
}


.info-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0, 219, 222, 0.2);
}


.info-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
}


.info-card h4 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}


.info-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}


.contact-form {
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}


.contact-form h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}


.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}


.form-group i {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 20px;
    color: var(--text-muted);
    font-size: 1.2rem;
}


.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 50px 15px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Cairo', sans-serif;
    font-size: 1rem;
    transition: all var(--transition-normal);
}


.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 219, 222, 0.2);
}


.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}


.submit-btn {
    width: 100%;
    padding: 18px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}


.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 219, 222, 0.4);
}


/* ============================================
   13. الفوتر
   ============================================ */
.footer {
    background: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}


.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}


.footer-section {
    padding: var(--spacing-lg);
}


.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}


.footer-logo i {
    font-size: 2.5rem;
    color: var(--accent-color);
}


.footer-logo h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
}


.footer-logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


.footer-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}


.social-links {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}


.social-link {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-circle);
    background: var(--card-bg);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}


.social-link:hover {
    transform: translateY(-5px);
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    box-shadow: 0 5px 15px rgba(0, 219, 222, 0.3);
}


.footer-section h4 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}


.footer-links {
    list-style: none;
}


.footer-links li {
    margin-bottom: var(--spacing-sm);
}


.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
}


.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(-5px);
}


.newsletter-form {
    display: flex;
    margin-top: var(--spacing-lg);
}


.newsletter-form input {
    flex: 1;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--text-primary);
    font-family: 'Cairo', sans-serif;
}


.newsletter-form button {
    padding: 0 25px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
    transition: all var(--transition-normal);
}


.newsletter-form button:hover {
    background: #00c7cb;
}


.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}


.footer-credits {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}


.footer-credits i {
    color: var(--danger-color);
    animation: pulse 2s infinite;
}


.separator {
    color: var(--border-color);
}


/* ============================================
   14. العناصر العامة
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-circle);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 5px 15px rgba(0, 219, 222, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}


.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}


.scroll-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 219, 222, 0.5);
}


.notification-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 500px;
    width: 90%;
}


.notification {
    background: var(--modal-bg);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-heavy);
    animation: slideInUp 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}


.notification.success {
    border-color: var(--success-color);
    background: rgba(46, 213, 115, 0.1);
}


.notification.error {
    border-color: var(--danger-color);
    background: rgba(255, 71, 87, 0.1);
}


.notification.info {
    border-color: var(--info-color);
    background: rgba(30, 144, 255, 0.1);
}


.notification.warning {
    border-color: var(--warning-color);
    background: rgba(255, 165, 2, 0.1);
}


.notification i {
    font-size: 1.5rem;
}


.notification.success i { color: var(--success-color); }
.notification.error i { color: var(--danger-color); }
.notification.info i { color: var(--info-color); }
.notification.warning i { color: var(--warning-color); }


.notification span {
    flex: 1;
    color: var(--text-primary);
    font-size: 1rem;
}


/* ============================================
   15. الأنميشن
   ============================================ */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}


@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}


@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}


@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}


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


@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}


@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px) translateX(-50%);
    }
    to {
        opacity: 1;
        transform: translateY(0) translateX(-50%);
    }
}


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


@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}


/* ============================================
   16. التجاوب مع الشاشات
   ============================================ */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.8rem;
    }
    
    .app-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .app-preview {
        order: -1;
    }
}


@media (max-width: 992px) {
    :root {
        --header-height: 70px;
        --spacing-xl: 40px;
        --spacing-xxl: 60px;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.8rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 300px;
        height: calc(100vh - var(--header-height));
        background: var(--modal-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: right var(--transition-normal);
        border-left: 1px solid var(--border-color);
        box-shadow: var(--shadow-heavy);
    }
    
    .nav-menu.show {
        right: 0;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .floating-logo {
        display: none;
    }
    
    .player-controls {
        gap: var(--spacing-md);
    }
    
    .control-btn {
        width: 55px;
        height: 55px;
    }
    
    .control-btn.main-btn {
        width: 70px;
        height: 70px;
    }
    
    .songs-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}


@media (max-width: 768px) {
    :root {
        --spacing-lg: 25px;
        --spacing-xl: 35px;
    }
    
    .hero-section {
        padding: 120px var(--spacing-md) 150px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .player-container {
        padding: var(--spacing-lg);
    }
    
    .album-art {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .extra-controls {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .volume-control {
        width: 100%;
        justify-content: center;
    }
    
    .store-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .app-features {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}


@media (max-width: 576px) {
    :root {
        --spacing-md: 15px;
        --spacing-lg: 20px;
        --spacing-xl: 30px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .coming-soon-banner {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .stat {
        min-width: 120px;
        padding: var(--spacing-md);
    }
    
    .player-controls {
        gap: var(--spacing-sm);
    }
    
    .control-btn {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .control-btn.main-btn {
        width: 60px;
        height: 60px;
        font-size: 1.7rem;
    }
    
    .songs-grid {
        grid-template-columns: 1fr;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
}


/* ============================================
   17. الأوضاع الخاصة
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}


/* دعم المتصفحات القديمة */
@supports not (backdrop-filter: blur(10px)) {
    .navbar,
    .nav-menu,
    .player-container,
    .notification {
        background: rgba(18, 18, 48, 0.98);
    }
}


/* طباعة */
@media print {
    .navbar,
    .floating-logo,
    .scroll-top,
    .notification-container,
    .menu-toggle,
    .player-controls,
    .store-buttons,
    .social-links,
    .contact-form,
    .app-preview {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline;
    }
}