@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Aref+Ruqaa:wght@400;700&display=swap');

:root {
  --primary: #F59E0B;
  --primary-light: #FBBF24;
  --primary-lighter: #FDE68A;
  --accent: #F59E0B;
  --accent-light: #FBBF24;
  --accent-hover: #D97706;
  --accent-glow: rgba(245, 158, 11, 0.18);
  --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --gold-gradient-text: linear-gradient(90deg, #F59E0B, #D97706);
  --purple: #5B3CC4;
  --purple-light: #7C5FC8;
  --purple-glow: rgba(91, 60, 196, 0.15);
  --bg: #FFF9F1;
  --card: #ffffff;
  --card-alt: #f5f5f5;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.06);
  --glass-blur: 20px;
  --text: #111111;
  --text-light: #666666;
  --text-muted: #9A8A7A;
  --border: #E8E8E8;
  --success: #16A34A;
  --danger: #DC2626;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 15px 40px rgba(0, 0, 0, 0.1);
  --shadow-accent: 0 8px 25px rgba(245, 158, 11, 0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --primary: #FBBF24;
  --primary-light: #FDE68A;
  --primary-lighter: #FEF3C7;
  --accent: #FBBF24;
  --accent-light: #FDE68A;
  --accent-hover: #F59E0B;
  --accent-glow: rgba(251, 191, 36, 0.2);
  --gold-gradient: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
  --gold-gradient-text: linear-gradient(90deg, #FBBF24, #F59E0B);
  --purple: #6D4AFF;
  --purple-light: #8B6FFF;
  --purple-glow: rgba(109, 74, 255, 0.2);
  --bg: #0F172A;
  --card: #1E293B;
  --card-alt: #111827;
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 20px;
  --text: #F1F5F9;
  --text-light: #94A3B8;
  --text-muted: #64748B;
  --border: rgba(255, 255, 255, 0.08);
  --success: #16A34A;
  --danger: #DC2626;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.35);
  --shadow-accent: 0 8px 25px rgba(251, 191, 36, 0.15);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Cairo', sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
  line-height: 1.8;
  font-size: 14px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }
p { color: var(--text-light); font-size: 14px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Aref Ruqaa', 'Cairo', serif;
}
h3 { font-size: 18px; font-weight: 900; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; opacity: 0.5; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===== NAVBAR ===== */
.navbar {
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  padding-right: 6px;
  height: 72px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  border-radius: 0 0 18px 18px;
}

[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-page-title { display: none; }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 36px;
  font-weight: 900;
  background: var(--gold-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -3px;
  position: relative;
  font-family: 'Aref Ruqaa', serif;
}

[data-theme="dark"] .nav-logo { }
[data-theme="light"] .nav-logo { }

.nav-page-title.brand-title { font-family:'Aref Ruqaa', serif; font-weight:700; font-size:22px; background:var(--gold-gradient-text); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }

.nav-links { display: flex; align-items: center; gap: 4px; }

.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

[data-theme="light"] .nav-links a { color: var(--text); }

.nav-links a::before {
  content: '';
  position: absolute;
  bottom: 4px;
  right: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: var(--transition);
  transform: translateX(50%);
}

.nav-links a:hover::before,
.nav-links a.active::before { width: 60%; }

.nav-links a:hover { color: var(--accent); background: rgba(255, 255, 255, 0.05); }
.nav-links a.active { color: var(--accent); background: rgba(223, 162, 26, 0.1); }

[data-theme="light"] .nav-links a:hover { background: rgba(15, 23, 42, 0.04); }
[data-theme="light"] .nav-links a.active { background: rgba(183, 121, 0, 0.08); }

.nav-buttons { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  font-family: 'Cairo', sans-serif;
}



.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid rgba(255, 255, 255, 0.15);
  color: #fff;
}

[data-theme="light"] .btn-outline { color: var(--primary); border-color: rgba(15, 23, 42, 0.15); }

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(223, 162, 26, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(223, 162, 26, 0.1);
}

[data-theme="light"] .btn-outline:hover {
  background: rgba(183, 121, 0, 0.06);
  box-shadow: 0 8px 25px rgba(183, 121, 0, 0.1);
}

.btn-primary {
  background: var(--gold-gradient);
  color: #111;
  font-weight: 700;
  box-shadow: var(--shadow-accent);
}

[data-theme="dark"] .btn-primary { color: #111; }
[data-theme="light"] .btn-primary { color: #fff; }

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px var(--accent-glow);
}

.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 20px; font-size: 12px; border-radius: var(--radius-sm); }

.nav-toggle {
  display: flex;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  transition: var(--transition);
  align-items:center;
  justify-content:center;
}

.nav-toggle:hover { opacity: 0.8; }

@keyframes spin { to { transform: rotate(360deg); } }
.theme-toggle.spin { animation: spin .5s ease; }

.theme-toggle {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 8px;
  transition: var(--transition);
  color: var(--accent);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--accent-glow);
  transform: scale(1.1);
}

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

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

[data-theme="dark"] .hero { background: var(--bg); }
[data-theme="light"] .hero { background: var(--bg); }

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}

[data-theme="dark"] .hero-glow { opacity: 0.2; }
[data-theme="light"] .hero-glow { opacity: 0.1; }

.hero-glow-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  left: -200px;
  background: var(--purple);
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  right: -150px;
  background: var(--accent);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(255,255,255,0.02) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 28px;
  padding: 10px 24px;
  border-radius: 50px;
  transition: var(--transition);
}

[data-theme="dark"] .hero-badge {
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--glass-border);
}

[data-theme="light"] .hero-badge {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-content h1 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 72px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 12px;
}

[data-theme="dark"] .hero-content h1 { color: #fff; }
[data-theme="light"] .hero-content h1 { color: #0B1020; }

.hero-content .title-accent {
  display: inline-block;
  position: relative;
}

[data-theme="dark"] .hero-content .title-accent { color: var(--accent); }
[data-theme="light"] .hero-content .title-accent { color: var(--accent); }

.hero-content h2 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 36px;
  line-height: 1.7;
}

[data-theme="dark"] .hero-content h2 { color: rgba(255, 255, 255, 0.6); }
[data-theme="light"] .hero-content h2 { color: var(--text-light); }

.hero-stats-row {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat-item-num {
  font-family: 'Aref Ruqaa', serif;
  font-size: 28px;
  font-weight: 700;
}

[data-theme="dark"] .hero-stat-item-num { color: var(--accent); }
[data-theme="light"] .hero-stat-item-num { color: var(--accent); }

.hero-stat-item-label {
  font-size: 12px;
  font-weight: 500;
}

[data-theme="dark"] .hero-stat-item-label { color: rgba(255, 255, 255, 0.45); }
[data-theme="light"] .hero-stat-item-label { color: var(--text-light); }

.hero-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

[data-theme="dark"] .hero-tags span {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .hero-tags span {
  background: rgba(15, 23, 42, 0.04);
  color: var(--text);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.hero-tags span {
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.hero-tags span:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.hero-tags span i { color: var(--accent); font-size: 16px; }

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* Right side visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: 480px;
}

.hero-teacher-card {
  position: relative;
  text-align: center;
  padding: 48px 40px 40px;
  border-radius: 32px;
  z-index: 2;
  width: 100%;
  max-width: 320px;
  transition: var(--transition-slow);
}

[data-theme="dark"] .hero-teacher-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-xl);
}

[data-theme="light"] .hero-teacher-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-xl);
}

.hero-teacher-card:hover { transform: translateY(-4px); }

.hero-teacher-glow {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
  pointer-events: none;
}

[data-theme="dark"] .hero-teacher-glow { background: var(--accent); }
[data-theme="light"] .hero-teacher-glow { background: var(--accent); }

.hero-teacher-avatar {
  width: 100px;
  height: 100px;
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  margin: 0 auto 18px;
  position: relative;
  transition: var(--transition);
}

[data-theme="dark"] .hero-teacher-avatar {
  background: linear-gradient(135deg, rgba(109, 74, 255, 0.15), rgba(246, 196, 83, 0.08));
  color: var(--accent);
  border: 1px solid rgba(246, 196, 83, 0.12);
}

[data-theme="light"] .hero-teacher-avatar {
  background: linear-gradient(135deg, rgba(91, 60, 196, 0.1), rgba(217, 154, 18, 0.06));
  color: var(--accent);
  border: 1px solid rgba(217, 154, 18, 0.1);
}

.hero-teacher-card:hover .hero-teacher-avatar {
  transform: scale(1.05);
}

.hero-teacher-name {
  margin-bottom: 8px;
}

.hero-teacher-name span {
  display: block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

[data-theme="dark"] .hero-teacher-name span { color: rgba(255, 255, 255, 0.5); }
[data-theme="light"] .hero-teacher-name span { color: var(--text-light); }

.hero-teacher-name strong {
  display: block;
  font-family: 'Aref Ruqaa', serif;
  font-size: 26px;
  font-weight: 700;
}

[data-theme="dark"] .hero-teacher-name strong { color: #fff; }
[data-theme="light"] .hero-teacher-name strong { color: var(--text); }

.hero-teacher-title {
  font-size: 13px;
  margin-bottom: 18px;
}

[data-theme="dark"] .hero-teacher-title { color: var(--text-light); }
[data-theme="light"] .hero-teacher-title { color: var(--text-light); }

.hero-teacher-line {
  width: 50px;
  height: 3px;
  border-radius: 3px;
  margin: 0 auto 18px;
}

[data-theme="dark"] .hero-teacher-line { background: var(--gold-gradient); }
[data-theme="light"] .hero-teacher-line { background: var(--gold-gradient); }

.hero-teacher-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}

[data-theme="dark"] .hero-teacher-badge {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(246, 196, 83, 0.1);
}

[data-theme="light"] .hero-teacher-badge {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 12%, transparent);
}

.hero-teacher-badge i { font-size: 13px; }

.hero-float-item {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 600;
  z-index: 3;
  animation: heroFloat 5s ease-in-out infinite;
  transition: var(--transition);
}

[data-theme="dark"] .hero-float-item {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text);
  box-shadow: var(--shadow);
}

[data-theme="light"] .hero-float-item {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text);
  box-shadow: var(--shadow);
}

.hero-float-item:hover { transform: translateY(-3px) scale(1.05); }

.hero-float-item i { font-size: 14px; }

[data-theme="dark"] .hero-float-item i { color: var(--accent); }
[data-theme="light"] .hero-float-item i { color: var(--accent); }

.hero-float-1 {
  top: 20px;
  right: -20px;
  animation-delay: 0s;
}

.hero-float-2 {
  top: 110px;
  left: -30px;
  animation-delay: 1s;
}

.hero-float-3 {
  bottom: 70px;
  right: -10px;
  animation-delay: 2s;
}

.hero-float-4 {
  bottom: 0;
  left: -10px;
  animation-delay: 3s;
}

.hero-float-icon {
  position: absolute;
  font-family: 'Aref Ruqaa', serif;
  font-size: 20px;
  font-weight: 700;
  opacity: 0.15;
  z-index: 1;
  animation: heroFloat 7s ease-in-out infinite;
  pointer-events: none;
}

[data-theme="dark"] .hero-float-icon { color: var(--accent); }
[data-theme="light"] .hero-float-icon { color: var(--accent); }

.hero-float-icon-1 { top: 60px; left: 20px; font-size: 28px; animation-delay: 0s; }
.hero-float-icon-2 { top: 40px; right: 40px; font-size: 22px; animation-delay: 1.5s; }
.hero-float-icon-3 { bottom: 120px; left: 40px; font-size: 24px; animation-delay: 3s; }
.hero-float-icon-4 { bottom: 50px; right: 50px; font-size: 26px; animation-delay: 4.5s; }

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  position: relative;
}

[data-theme="dark"] .section-alt { background: var(--card); }
[data-theme="light"] .section-alt { background: var(--card-alt); }

.section-alt::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 16px;
  background: var(--accent-glow);
  backdrop-filter: blur(10px);
  padding: 6px 18px;
  border-radius: 50px;
  border: 1px solid rgba(223, 162, 26, 0.15);
}

.section-header h2 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

[data-theme="dark"] .section-header h2 { color: var(--accent); }
[data-theme="light"] .section-header h2 { color: var(--text); }

.section-header h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--accent);
  border-radius: 4px;
  margin: 16px auto 0;
}

.section-header p {
  color: var(--text-light);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .feature-card:hover { border-color: rgba(223, 162, 26, 0.2); }
[data-theme="light"] .feature-card:hover { border-color: rgba(183, 121, 0, 0.15); }

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s ease;
}

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

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 72px;
  height: 72px;
  background: var(--purple);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
  color: #fff;
  transition: var(--transition);
  position: relative;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 10px 30px var(--purple-glow);
}

.feature-card h3 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

[data-theme="dark"] .feature-card h3 { color: var(--accent); }
[data-theme="light"] .feature-card h3 { color: var(--text); }

.feature-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== COURSES ===== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.course-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.course-card::before { display: none; }

.course-card-header { display:flex; flex-direction:column; align-items:center; gap:10px; text-align:center; padding:24px 16px 12px; min-width:0; flex:1; justify-content:center; }
.course-card-header h3 { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:100%; }
.course-card-header .icon { font-size:32px; width:64px; height:64px; background:var(--bg); border-radius:16px; display:flex; align-items:center; justify-content:center; flex-shrink:0; margin:0; transition:var(--transition); }
.course-card:nth-child(1) .course-card-header .icon { color:var(--accent); }
.course-card:nth-child(2) .course-card-header .icon { color:var(--purple); }
.course-card:nth-child(3) .course-card-header .icon { color:#B8860B; }
.course-card:nth-child(4) .course-card-header .icon { color:#0D9488; }
.course-card:hover .course-card-header .icon { transform:none; }

.course-card-header h3 { margin-bottom:2px; font-family:'Cairo',sans-serif; font-size:16px; }
[data-theme="dark"] .course-card-header h3 { color:var(--accent); }
[data-theme="light"] .course-card-header h3 { color:#000; }
.course-card-header p { color:var(--text-light); margin:0; font-size:13px; }
[data-theme="light"] .course-card-header p { color:#000; }

.section .course-card .course-card-header p { display:none; }

/* ===== SUBSCRIPTIONS ===== */
.subscriptions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: start;
}

.sub-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  overflow: visible;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: var(--transition-slow);
  position: relative;
  display:flex;
  flex-direction:column;
}

.sub-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.sub-card.popular {
  border-color: var(--accent);
  transform: scale(1.05);
  z-index: 1;
  box-shadow: 0 0 40px var(--accent-glow);
}

.sub-card.popular:hover {
  transform: scale(1.05) translateY(-8px);
  box-shadow: 0 20px 60px var(--accent-glow);
}

.sub-badge {
  background: var(--accent);
  color: #fff;
  text-align: center;
  padding: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.sub-header {
  padding: 6px 20px 4px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  flex:1;
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.sub-header h3 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.sub-price { margin-bottom: 2px; }

.sub-price .amount {
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
}

[data-theme="dark"] .sub-price .amount { color: #fff; }
[data-theme="light"] .sub-price .amount { color: #1a1a2e; }

.sub-price .currency {
  font-size: 16px;
  color: var(--text-light);
  font-weight: 500;
}

.sub-period {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 2px;
}

.sub-features { padding: 16px 20px; }

.sub-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.sub-features li:last-child { border-bottom: none; }

.sub-features li i { color: var(--success); font-size: 16px; width: 20px; }

.sub-card .btn {
  margin: 0 20px 8px;
  width: calc(100% - 40px);
  padding: 12px;
  font-size: 14px;
}

.sub-card.popular .btn {
  background: var(--accent);
  color: #fff;
}

.sub-card.popular .btn:hover { box-shadow: var(--shadow-accent); }

/* ===== FAQ ===== */
.faq-list {
  max-width: 740px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.faq-item:hover { box-shadow: var(--shadow-md); }

.faq-question {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition);
}

[data-theme="dark"] .faq-question { color: var(--accent); }
[data-theme="light"] .faq-question { color: var(--text); }

.faq-question:hover { background: var(--accent-glow); }

.faq-question i {
  transition: var(--transition);
  color: var(--accent);
  font-size: 14px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 50%;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  background: var(--accent);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 28px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.9;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 28px 22px;
}

/* ===== FOOTER ===== */
.footer {
  background: #0F172A;
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  margin: 0;
}
[data-theme="light"] .footer { background: #1E293B; }
[data-theme="dark"] .footer { background: #1E293B; }

.footer::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(223, 162, 26, 0.03) 0%, transparent 60%);
  border-radius: 50%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
  z-index: 1;
}

.footer-about .nav-logo { margin-bottom: 20px; justify-content: flex-start; }
.footer-about .nav-logo { color: var(--accent-light); background: none; -webkit-text-fill-color: var(--accent-light); }
.footer-about p { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, 0.55); }
[data-theme="light"] .footer-about p { color: rgba(255, 255, 255, 0.75); }

.footer h4 {
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  display: inline-block;
  font-family: 'Aref Ruqaa', serif;
}

.footer h4::after {
  content: '';
  display: block;
  width: 30px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 8px;
}

.footer-links li { margin-bottom: 12px; }

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-links a:hover { color: var(--accent); padding-right: 8px; }

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  opacity: 0.6;
}

.footer-contact li i { color: var(--accent); width: 20px; font-size: 16px; }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
  position: relative;
  z-index: 1;
}

/* ===== MOBILE NAV OVERLAY ===== */
.nav-overlay {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 40px 24px;
  gap: 4px;
}

.nav-overlay.open { display: flex; animation: fadeIn 0.3s ease; }

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

.nav-overlay a {
  color: rgba(255, 255, 255, 0.8);
  padding: 14px 24px;
  font-size: 18px;
  font-weight: 500;
  width: 100%;
  text-align: center;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-overlay a:hover { background: rgba(255, 255, 255, 0.05); color: var(--accent); }

.nav-overlay .nav-buttons-mobile {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-overlay .nav-buttons-mobile .btn { width: 100%; justify-content: center; }

/* ===== AUTH PAGES ===== */
.auth-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px 40px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .auth-section { background: var(--bg); }
[data-theme="light"] .auth-section { background: var(--bg); }

.auth-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 60%);
  border-radius: 50%;
}

[data-theme="light"] .auth-section::before {
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
}

.auth-section::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

[data-theme="light"] .auth-section::after {
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 60%);
}

.auth-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: 48px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--glass-border);
  position: relative;
  z-index: 1;
  animation: slideUp 0.6s ease;
}

[data-theme="light"] .auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
}

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

.auth-card .nav-logo { justify-content: center; margin-bottom: 8px; font-size: 36px; }
.auth-card .nav-logo::after { display: none; }
[data-theme="dark"] .auth-card .nav-logo { color: var(--accent-light); background: none; -webkit-text-fill-color: var(--accent-light); }
[data-theme="light"] .auth-card .nav-logo { background: var(--gold-gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.auth-card h2 {
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  font-family: 'Aref Ruqaa', serif;
  margin-bottom: 4px;
}

[data-theme="dark"] .auth-card h2 { color: var(--accent); }
[data-theme="light"] .auth-card h2 { color: var(--text); }

.auth-card > p {
  text-align: center;
  font-size: 15px;
  margin-bottom: 32px;
  color: var(--text-light);
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: var(--transition);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  direction: rtl;
  color: var(--text);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select { background: rgba(255,255,255,0.04); }

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.auth-card .btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  border-radius: var(--radius);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-light);
}

.auth-footer a {
  color: var(--accent);
  font-weight: 700;
  transition: var(--transition);
}

.auth-footer a:hover { opacity: 0.8; }

.auth-error {
  background: rgba(220, 38, 38, 0.08);
  color: var(--danger);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
  text-align: center;
  border: 1px solid rgba(220, 38, 38, 0.15);
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: var(--text-light);
  border: none;
  font-family: 'Cairo', sans-serif;
}

.auth-tab:hover {
  background: var(--accent-glow);
  color: var(--accent);
}

.auth-tab.active {
  background: var(--gold-gradient);
  color: #fff;
}

[data-theme="dark"] .auth-tab.active { color: #111; }
[data-theme="light"] .auth-tab.active { color: #fff; }

/* ===== STUDENT LAYOUT ===== */
.student-body { display:flex; flex-direction:row; flex-wrap:wrap; min-height:100vh; padding-top:72px; }
.student-body > .footer { display: none; }

.sidebar {
  position: sticky;
  top: 72px;
  width: 0;
  min-width: 0;
  flex-shrink: 0;
  height: calc(100vh - 72px);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-left: 1px solid var(--glass-border);
  padding: 0;
  overflow: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  z-index: 100;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 18px 0 0 18px;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar.collapsed { width: 0 !important; padding: 0; border-left: none; }

.sidebar:not(.collapsed) { width: 260px; border-left: 1px solid var(--glass-border); }

.sidebar-header { display:flex; align-items:center; justify-content:space-between; padding:12px 16px; border-bottom:1px solid var(--border); }
.sidebar-logo { font-family:'Aref Ruqaa',serif; font-size:24px; font-weight:900; background:var(--gold-gradient-text); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; text-decoration:none; white-space:nowrap; }

.sidebar-user {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: padding 0.35s cubic-bezier(0.4,0,0.2,1), gap 0.35s cubic-bezier(0.4,0,0.2,1);
}

.sidebar-avatar {
  width: 48px;
  height: 48px;
  background: var(--purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  flex-shrink: 0;
  color: #fff;
}

.sidebar-user-info {
  transition: opacity 0.25s ease;
}
.sidebar-user-info h4 {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  font-family: 'Cairo', sans-serif;
}

[data-theme="dark"] .sidebar-user-info h4 { color: var(--accent); }
[data-theme="light"] .sidebar-user-info h4 { color: var(--text); }

.sidebar-user-info span { font-size: 12px; color: var(--text-light); }

.sidebar-nav { padding: 4px 0; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-right: 3px solid transparent;
  margin: 2px 0;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .sidebar-nav a { color: var(--text-light); }
[data-theme="light"] .sidebar-nav a { color: var(--text); }

.sidebar-nav a:hover { background: var(--accent-glow); padding-right: 24px; }
[data-theme="light"] .sidebar-nav a:hover { color: #000; }
[data-theme="dark"] .sidebar-nav a:hover { color: var(--accent); }
.sidebar-nav a::before {
  content:'';
  position:absolute;
  right:0;
  top:50%;
  width:0;
  height:0;
  background:var(--accent);
  border-radius:0 3px 3px 0;
  transform:translateY(-50%);
  transition:width 0.25s ease,height 0.25s ease;
}
.sidebar-nav a:hover::before { width:3px; height:60%; }

.sidebar-nav a.active {
  background: var(--accent-glow);
  font-weight: 700;
}
.sidebar-nav a.active::before { width:3px; height:60%; }

[data-theme="dark"] .sidebar-nav a.active { color: var(--accent); }
[data-theme="light"] .sidebar-nav a.active { color: #000; }
[data-theme="light"] .sidebar-nav a.active i { color: #000; }

.sidebar-nav a i {
  width: 20px;
  transition: var(--transition);
  text-align: center;
  color: var(--text-muted);
}

.sidebar-nav a:hover i,
.sidebar-nav a.active i { color: var(--accent); }
[data-theme="light"] .sidebar-nav a:hover i { color: #000; }

.sidebar-nav a.btn-logout { margin-top:auto; color:#ef4444 !important; opacity:0.9; font-weight:600; }
.sidebar-nav a.btn-logout i { color:#ef4444 !important; }
[data-theme="dark"] .sidebar-nav a.btn-logout { color:#f87171 !important; }
[data-theme="dark"] .sidebar-nav a.btn-logout i { color:#f87171 !important; }
[data-theme="light"] .sidebar-nav a.btn-logout { color:#dc2626 !important; }
[data-theme="light"] .sidebar-nav a.btn-logout i { color:#dc2626 !important; }

.sidebar-theme-toggle { display:none; }

.main-content {
  flex: 1;
  min-width: 0;
  padding: 32px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 99;
  opacity: 0;
  visibility:hidden;
  transition: opacity .3s, visibility .3s;
  -webkit-backdrop-filter:blur(1px);
  backdrop-filter:blur(1px);
}

.sidebar-overlay.show {
  display: block;
  opacity: 1;
  visibility:visible;
}

/* ===== DASHBOARD ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.page-header h1 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 28px;
  font-weight: 700;
}

[data-theme="dark"] .page-header h1 { color: var(--accent); }
[data-theme="light"] .page-header h1 { color: var(--text); }

.page-header p { color: var(--text-light); font-size: 15px; }

/* ===== BOTTOM TABS ===== */
.bottom-tabs {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 6px 0 env(safe-area-inset-bottom, 6px);
  justify-content: space-around;
  direction: rtl;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.12);
  border-radius: 16px 16px 0 0;
}
.bottom-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 6px 16px 10px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  transition: 0.2s;
  position: relative;
  min-width: 64px;
}
.bottom-tab i {
  font-size: 22px;
  transition: 0.2s;
  margin-bottom: 2px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}
.bottom-tab.active i {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
}
.bottom-tab.active span {
  color: var(--accent);
  font-weight: 700;
}
[data-theme="light"] .bottom-tab.active i {
  background: rgba(196, 138, 34, 0.15);
}
[data-theme="light"] .bottom-tab.active span {
  color: #C48A22;
}

.welcome-banner {
  background: var(--card);
  border-radius: var(--radius-xl);
  padding: 40px;
  color: var(--text);
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-right: 5px solid var(--accent);
  border-top: 4px solid var(--accent);
  box-shadow: var(--shadow-md);
}

.welcome-banner::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  border-radius: 50%;
}

.welcome-banner::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 60%);
  border-radius: 50%;
}

.welcome-banner h2 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
  background: var(--gold-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-banner p {
  font-size: 16px;
  color: var(--text-light);
  position: relative;
  z-index: 1;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.stat-card-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  font-family: 'Cairo', sans-serif;
}

.stat-card-header .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--accent-glow);
  color: var(--accent);
}

.stat-card-value {
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

[data-theme="dark"] .stat-card-value { color: var(--accent); }
[data-theme="light"] .stat-card-value { color: var(--text); }

.stat-card-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

.announcements-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  border-right: 5px solid var(--accent);
}

.announcements-card h3 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

[data-theme="dark"] .announcements-card h3 { color: var(--accent); }
[data-theme="light"] .announcements-card h3 { color: var(--text); }

.announcements-card h3 i { color: var(--accent); }

.announcement-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.announcement-item:last-child { border-bottom: none; }
.announcement-item:hover { padding-right: 8px; }

.announcement-item h4 {
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Cairo', sans-serif;
}

.announcement-item .badge {
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 700;
}

.announcement-item p {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 6px;
}

.announcement-item .date {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== STUDENT COURSES ===== */
.course-detail-header {
  background: var(--card);
  border-radius: var(--radius-xl);
  padding: 40px;
  color: var(--text);
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.course-detail-header .icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: inline-block;
  position: relative;
  z-index: 1;
}

.course-detail-header::before {
  content: '';
  position: absolute;
  top: -25%;
  right: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  border-radius: 50%;
}

.course-detail-header::after {
  content: '';
  position: absolute;
  left: -20px;
  bottom: -20px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 60%);
  border-radius: 50%;
}

.course-detail-header h1 { font-family: 'Aref Ruqaa', serif; font-size: 30px; font-weight: 700; margin-bottom: 12px; position: relative; z-index: 1; }
.course-detail-header p { font-size: 16px; color: var(--text-light); position: relative; z-index: 1; }

.lessons-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ===== Tree View ===== */
.tree-view { display:flex; flex-direction:column; gap:12px; margin-bottom:20px; }
.tree-section { background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; }
.tree-section-header { display:flex; align-items:center; gap:12px; padding:14px 18px; cursor:pointer; transition:var(--transition); user-select:none; }
.tree-section-header:hover { background:var(--bg); }
.tree-section-icon { width:36px; height:36px; background:var(--accent-glow); border-radius:10px; display:flex; align-items:center; justify-content:center; color:var(--accent); font-size:16px; flex-shrink:0; }
.tree-section-info { flex:1; }
.tree-section-info h4 { font-size:14px; font-weight:700; margin:0; color:var(--text); }
.tree-section-count { font-size:11px; color:var(--text-muted); }
.tree-arrow { color:var(--text-light); font-size:14px; transition:transform 0.3s ease; }
.tree-section.expanded .tree-arrow { transform:rotate(-90deg); }
.tree-section-children { display:none; padding:0 16px 12px; flex-direction:column; gap:6px; }
.tree-section.expanded .tree-section-children { display:flex; }
.tree-lesson-item { display:flex; align-items:center; gap:10px; padding:10px 14px; border-radius:var(--radius); transition:var(--transition); text-decoration:none; color:var(--text); background:var(--bg); }
.tree-lesson-item:hover { background:var(--accent-glow); transform:translateX(-3px); }
.tree-lesson-item.locked { opacity:0.6; }
.tree-lesson-item.sequential-locked { opacity:0.5; cursor:not-allowed; }
.tree-lesson-item.sequential-locked:hover { transform:none; background:var(--bg); }
.tree-lesson-item.completed { border-right:3px solid var(--success); }
.tree-lesson-num { width:28px; height:28px; background:var(--card); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:700; color:var(--primary); flex-shrink:0; }
.tree-lesson-title { flex:1; font-size:13px; font-weight:600; }
.tree-free-badge { font-size:10px; background:rgba(5,150,105,0.1); color:var(--success); padding:1px 6px; border-radius:3px; font-weight:700; white-space:nowrap; }
.tree-lesson-duration { font-size:11px; color:var(--text-light); white-space:nowrap; display:flex; align-items:center; gap:3px; }

/* Flatten tree-sections into card grids (no folders), apply course color */
.tree-view { display:block; }
.tree-section { display:block; margin-bottom:8px; background:none; border:none; border-radius:0; overflow:visible; box-shadow:none; }
.tree-section-header { display:none !important; }
.tree-section-children { display:grid !important; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:12px; padding:0 !important; }
.tree-lesson-item {
  background:var(--glass-bg);
  backdrop-filter:blur(var(--glass-blur));
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  border-right:4px solid var(--cc, var(--accent));
  padding:14px 12px;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:8px;
}
.tree-lesson-item:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); border-color:var(--cc, var(--accent)); }
.tree-lesson-num { width:30px; height:30px; background:var(--cc, var(--accent)); color:#fff; border-radius:50%; }
.tree-lesson-item.completed { border-right-color:var(--success); }
.tree-lesson-item.completed .tree-lesson-num { background:var(--success); }
.tree-lesson-title { text-align:center; }
.tree-lesson-duration { display:none; }

.lesson-item {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius);
  padding: 22px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  border-right: 5px solid var(--accent);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.lesson-item:hover {
  transform: translateX(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.lesson-item { border-right:5px solid var(--cc, var(--accent)); }
.lesson-item .watch-btn { background:var(--cc, var(--accent)); }
.lesson-item:hover { border-color:var(--cc, var(--accent)); }

.lesson-info h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  font-family: 'Cairo', sans-serif;
}

[data-theme="dark"] .lesson-info h3 { color: var(--accent); }
[data-theme="light"] .lesson-info h3 { color: var(--text); }

.lesson-info p { font-size: 13px; color: var(--text-light); }

.lesson-meta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lesson-meta span {
  font-size: 12px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.watch-btn {
  background: var(--gold-gradient);
  color: #111;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 13px;
  transition: var(--transition);
  box-shadow: var(--shadow-accent);
}

[data-theme="dark"] .watch-btn { color: #111; }
[data-theme="light"] .watch-btn { color: #fff; }

.watch-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--accent-glow);
}

/* ===== LESSON PAGE ===== */
.video-container {
  background: #000;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: 0 auto 28px;
  position: relative;
  aspect-ratio: 16 / 9;
  max-width: 640px;
  box-shadow: var(--shadow-xl);
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}





.lesson-content {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
  border: 1px solid var(--glass-border);
}

.lesson-content h1 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

[data-theme="dark"] .lesson-content h1 { color: var(--accent); }
[data-theme="light"] .lesson-content h1 { color: var(--text); }

.lesson-content p { color: var(--text-light); font-size: 15px; margin-bottom: 28px; line-height: 1.9; }

.lesson-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.lesson-actions .btn {
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
}

.lesson-actions .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.lesson-actions .btn i { color: rgba(255,255,255,0.8); }

.quiz-section {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
  border: 1px solid var(--glass-border);
}

.quiz-section h2 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

[data-theme="dark"] .quiz-section h2 { color: var(--accent); }
[data-theme="light"] .quiz-section h2 { color: var(--text); }

.quiz-section h2 i { color: var(--accent); }

.quiz-question {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.quiz-question:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.quiz-question h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 14px;
  font-family: 'Cairo', sans-serif;
}

.quiz-options { display: flex; flex-direction: column; gap: 10px; }

.quiz-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 15px;
}

.quiz-option:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateX(-3px);
}

.quiz-option input[type="radio"] { accent-color: var(--accent); width: 18px; height: 18px; }

.related-lessons {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
}

.related-lessons h3 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

[data-theme="dark"] .related-lessons h3 { color: var(--accent); }
[data-theme="light"] .related-lessons h3 { color: var(--text); }

/* ===== QUESTION BANK ===== */
.qb-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.qb-cat {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  border-right: 5px solid var(--accent);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: block;
}

.qb-cat:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.qb-cat .icon { font-size: 36px; margin-bottom: 12px; color: var(--accent); }
.qb-cat h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; font-family: 'Cairo', sans-serif; }

.qb-exam-mode {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
}

.qb-exam-mode h2 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
}

[data-theme="dark"] .qb-exam-mode h2 { color: var(--accent); }
[data-theme="light"] .qb-exam-mode h2 { color: var(--text); }

/* ===== NOTES ===== */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.note-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  border-right: 5px solid var(--accent);
  transition: var(--transition);
}

.note-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.note-card h3 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

[data-theme="dark"] .note-card h3 { color: var(--accent); }
[data-theme="light"] .note-card h3 { color: var(--text); }

.note-card p { font-size: 13px; color: var(--text-light); margin-bottom: 20px; line-height: 1.7; }

.note-card .btn {
  background: var(--primary);
  color: #fff;
  padding: 8px 20px;
  font-size: 13px;
}

.note-card .btn:hover { box-shadow: var(--shadow-accent); }

.note-actions { display: flex; gap: 10px; }

/* ===== REVIEWS ===== */
.reviews-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.review-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  border-right: 5px solid var(--accent);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateX(-5px);
  box-shadow: var(--shadow-lg);
}

.review-card h3 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

[data-theme="dark"] .review-card h3 { color: var(--accent); }
[data-theme="light"] .review-card h3 { color: var(--text); }

.review-card .meta {
  display: flex;
  gap: 20px;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 10px;
}

.review-card p { font-size: 14px; line-height: 1.8; }

/* ===== PROFILE ===== */
.profile-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  max-width: 600px;
}

.profile-header {
  text-align: center;
  margin-bottom: 32px;
}

.profile-avatar {
  width: 96px;
  height: 96px;
  background: var(--purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 800;
  margin: 0 auto 16px;
  box-shadow: 0 10px 30px var(--purple-glow);
  color: #fff;
}

.profile-header h2 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 24px;
  font-weight: 700;
}

[data-theme="dark"] .profile-header h2 { color: var(--accent); }
[data-theme="light"] .profile-header h2 { color: var(--text); }

.info-row {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.info-row:last-child { border-bottom: none; }
.info-row .label { color: var(--text-light); font-weight: 500; }
.info-row .value { font-weight: 600; }

/* ===== ADMIN ===== */
.admin-body { 
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: 72px;
}
.admin-body .sidebar { position: fixed; top: 72px; right: 0; height: calc(100vh - 72px); z-index: 100; }

.admin-content {
  padding: 24px;
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin: 24px;
}
@media (min-width: 769px) { .admin-body .sidebar:not(.collapsed) ~ .admin-content, .admin-body .sidebar:not(.collapsed) ~ .main-content { margin-right: calc(24px + 260px); } }
.admin-content, .main-content { transition: margin-right 0.35s cubic-bezier(0.4,0,0.2,1); }
.admin-body .sidebar { transition: width 0.35s cubic-bezier(0.4,0,0.2,1); }
@media (max-width: 768px) { .admin-content { margin: 0; border-radius: 0; border: none; box-shadow: none; } }

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.admin-stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.admin-stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.admin-stat-card h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 8px;
  font-family: 'Cairo', sans-serif;
}

.admin-stat-card .value {
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

[data-theme="dark"] .admin-stat-card .value { color: var(--accent); }
[data-theme="light"] .admin-stat-card .value { color: var(--text); }

.admin-table {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
}

.admin-table table { width: 100%; border-collapse: collapse; min-width: 700px; }

.admin-table th {
  text-align: right;
  padding: 16px 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 1px;
  background: var(--accent-glow);
  border-bottom: 1px solid var(--border);
  font-family: 'Cairo', sans-serif;
}

.admin-table td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--accent-glow); }

.status-badge {
  display: inline-flex;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}

.status-badge.active { background: rgba(5, 150, 105, 0.12); color: var(--success); }
.status-badge.inactive { background: rgba(220, 38, 38, 0.12); color: var(--danger); }
.status-badge.pending { background: rgba(202, 138, 4, 0.12); color: #ca8a04; }

.admin-actions { display: flex; gap: 8px; }

.admin-actions button {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.admin-actions .edit { background: rgba(59, 130, 246, 0.12); color: #3B82F6; }
.admin-actions .delete { background: rgba(239, 68, 68, 0.12); color: #EF4444; }
.admin-actions .view { background: rgba(16, 185, 129, 0.12); color: #10B981; }
.admin-actions .toggle { background: rgba(148, 163, 184, 0.16); color: #94A3B8; }
.admin-actions .edit:hover { background: rgba(59, 130, 246, 0.2); }
.admin-actions .delete:hover { background: rgba(239, 68, 68, 0.2); }
.admin-actions .view:hover { background: rgba(16, 185, 129, 0.2); }
.admin-actions .toggle:hover { background: rgba(148, 163, 184, 0.28); }

/* ===== ADMIN MODALS ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--card);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  animation: slideUp 0.3s ease;
}
.modal-lg { max-width: 720px; }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--card);
  z-index: 1;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.modal-header h3 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}
.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: var(--transition);
}
.modal-close:hover { background: var(--accent-glow); color: var(--accent); }
.modal-body { padding: 24px; }
.modal-body .form-group { margin-bottom: 16px; }
.modal-body .form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-light);
}
.modal-body .form-group input:not([type="checkbox"]):not([type="color"]),
.modal-body .form-group select,
.modal-body .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: var(--transition);
  background: var(--glass-bg);
  color: var(--text);
  font-family: 'Cairo', sans-serif;
}
.modal-body .form-group input[type="color"] {
  width: 60px;
  height: 40px;
  padding: 2px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.modal-body .form-group input:focus,
.modal-body .form-group select:focus,
.modal-body .form-group textarea:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.modal-body .form-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}
.question-block .form-group input { font-size: 13px; padding: 10px 12px; }
.question-block .form-group label { font-size: 11px; margin-bottom: 2px; }

/* ===== SUBSCRIPTION STUDENT ===== */
.subscription-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

.animate-in {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-in-d1 { transition-delay: 0.1s; }
.animate-in-d2 { transition-delay: 0.2s; }
.animate-in-d3 { transition-delay: 0.3s; }
.animate-in-d4 { transition-delay: 0.4s; }

/* ===== CONTACT ===== */
.contact-section { padding: 120px 0 80px; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h2 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

[data-theme="dark"] .contact-info h2 { color: var(--accent); }
[data-theme="light"] .contact-info h2 { color: var(--text); }

.contact-info > p { color: var(--text-light); margin-bottom: 36px; font-size: 16px; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.contact-item .icon {
  width: 52px;
  height: 52px;
  background: var(--accent-glow);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
  font-family: 'Cairo', sans-serif;
}

.contact-item span { font-size: 14px; color: var(--text-light); }

.contact-form {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
}

.contact-form h3 {
  font-family: 'Aref Ruqaa', serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 28px;
}

[data-theme="dark"] .contact-form h3 { color: var(--accent); }
[data-theme="light"] .contact-form h3 { color: var(--text); }

.contact-form .btn { width: 100%; padding: 14px; font-size: 16px; }

/* ===== SUBSCRIPTION PUBLIC ===== */
.sub-section { padding: 120px 0 80px; }

/* ===== MISC ===== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mb-32 { margin-bottom: 32px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }

  .subscriptions-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .sub-card.popular { transform: none; }
  .sub-card.popular:hover { transform: translateY(-8px); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .qb-categories { grid-template-columns: repeat(2, 1fr); }
  .notes-grid { grid-template-columns: 1fr; }
  .subscription-plans { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .modal { max-width: 100%; border-radius: var(--radius-lg); margin: 10px; }
  .modal-body { padding: 16px; }
  .modal-header { padding: 14px 16px; }
  .modal-header h3 { font-size: 17px; }
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal-overlay.show { animation: modalSlideUp 0.3s ease; }
  @keyframes modalSlideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
  .modal .form-group input[type="color"] { width: 44px; height: 36px; }

  .navbar { padding: 0 16px; padding-right: 6px; border-radius: 0 0 16px 16px; }
  .nav-links { display: none; }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-content h1 { font-size: 42px; }
  .hero-content h2 { font-size: 16px; }
  .hero-badge { margin: 0 auto 24px; }
  .hero-stats-row { justify-content: center; flex-wrap: wrap; gap: 16px; }
  .hero-stat-item { align-items: center; }
  .hero-stat-item-num { font-size: 24px; }
  .hero-tags { justify-content: center; }
  .hero-buttons { justify-content: center; }
  .hero-visual { order: -1; min-height: auto; padding: 20px 0; }
  .hero-teacher-card { padding: 36px 28px; width: 260px; }
  .hero-teacher-avatar { width: 76px; height: 76px; font-size: 32px; }
  .hero-teacher-name strong { font-size: 22px; }
  .hero-float-item { display: none; }
  .hero-float-icon { display: none; }


  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 28px; }

  .features-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }


  .subscriptions-grid { max-width: 100%; }
  .sub-header { padding: 24px 20px; }
  .sub-header h3 { font-size: 20px; margin-bottom: 12px; }
  .sub-price .amount { font-size: 36px; }
  .sub-features { padding: 12px 16px; }
  .sub-features li { font-size: 13px; padding: 7px 0; }
  .sub-card .btn { margin: 0 16px 6px; width: calc(100% - 32px); padding: 10px; }

  .footer-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 32px 24px; }
  .bottom-tabs { display: flex; }
  .main-content { padding: 16px 16px 96px; }
  .student-body { display:block; }
  .sidebar { position:fixed; top:0; right:-300px; width:280px !important; min-width:280px; transition:right .4s cubic-bezier(.22,1,.36,1); border-radius:20px 0 0 20px; height:100vh; z-index:1001; background:rgba(15,23,42,0.92); backdrop-filter:blur(20px); border-left:1px solid rgba(255,255,255,0.06); display:flex; flex-direction:column; }
  .sidebar.collapsed { width:280px !important; padding:0; border-left:1px solid rgba(255,255,255,0.06); right:-300px; }
  [data-theme="light"] .sidebar { background:rgba(255,255,255,0.95); border-left:1px solid rgba(0,0,0,0.06); }
  .sidebar.open { right:0; box-shadow:-10px 0 40px rgba(0,0,0,0.4); }
  .sidebar-header { display:flex; }
  .sidebar-nav { display:flex; flex-direction:column; flex:1; min-height:0; }
  .sidebar-nav a.btn-logout { margin-top:auto; }
  .sidebar-theme-toggle { display:flex; align-items:center; gap:14px; padding:12px 20px; font-size:14px; font-weight:500; color:var(--text-muted); border-right:3px solid transparent; margin:2px 0; position:relative; overflow:hidden; cursor:pointer; text-decoration:none; transition:all 0.25s cubic-bezier(0.4,0,0.2,1); }
  .sidebar-theme-toggle:hover { background:var(--accent-glow); padding-right:24px; }
  .sidebar-theme-toggle i { width:20px; text-align:center; color:var(--text-muted); font-size:14px; }
  .nav-right .nav-logo { display:none; }
  .landing-body .nav-right .nav-logo { display:flex; }
  .nav-right { gap:0; }
  .nav-left { flex:1; position:relative; gap:0; justify-content:flex-end; }
  .nav-left .theme-toggle { display:none; }
  .nav-left .btn { display:none; }
  .landing-body .nav-left .btn { display:inline-flex; }
  .landing-body .nav-page-title { display:none; }
  .nav-page-title { display:block; font-size:15px; font-weight:700; color:var(--text); white-space:nowrap; position:absolute; left:50%; transform:translateX(-50%); }
  .nav-toggle { width:38px; height:38px; font-size:16px; }
  .page-header h1 { display:none; }
  .dashboard-grid { grid-template-columns: 1fr; gap:12px; margin-bottom:24px; }
  .dashboard-grid .stat-card { padding:4px !important; }
  .dashboard-grid .stat-card .stat-card-header { flex-direction:column; gap:4px; margin-bottom:8px; }
  .dashboard-grid .stat-card .stat-card-header h3 { font-size:12px; }
  .dashboard-grid .stat-card .stat-card-header .icon { width:30px; height:30px; font-size:13px; }
  .dashboard-grid .stat-card .stat-card-value { font-size:18px; }
  .dashboard-grid .stat-card .stat-card-label { font-size:10px; margin-top:2px; }
  .dashboard-grid .stat-card a { font-size:11px; padding:3px 6px; gap:4px; }
  .dashboard-grid .stat-card div[style*="display:grid"] { gap:2px; }
  .courses-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .course-card { aspect-ratio: auto; }
  .course-card-header { padding: 20px 14px 16px; }
  .course-card-header h3 { white-space: normal; overflow: visible; text-overflow: clip; }
  .course-card-header { padding:16px 12px 8px; }
  .course-card-header .icon { font-size:24px; width:48px; height:48px; border-radius:12px; }
  .course-card-header h3 { font-size:14px; }
  .course-card-header p { font-size:12px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .lesson-item { flex-direction: column; align-items: flex-start; gap: 14px; }
  .lesson-meta { width: 100%; justify-content: space-between; }
  .admin-content { margin-right: 0; padding: 12px 16px 24px; }
  .admin-stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .qb-categories { grid-template-columns: 1fr; }
  .subscription-plans { max-width: 100%; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-section { padding: 100px 0 40px; }
  .video-container { aspect-ratio: 16 / 10; }
  .hero-content h1 { font-size: 30px; }
  .welcome-banner h2 { font-size: 22px; }
  .welcome-banner { padding: 28px 24px; }

  .sidebar-overlay.show { display: block; z-index:1000; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 32px; }
  .hero-content h2 { font-size: 14px; }
  .hero-stat-item-num { font-size: 20px; }
  .hero-stat-item { gap: 1px; }
  .hero-stat-item-label { font-size: 11px; }
  .hero-teacher-card { padding: 28px 20px; width: 100%; max-width:none; }
  .hero-teacher-avatar { width: 60px; height: 60px; font-size: 26px; }
  .hero-teacher-name strong { font-size: 18px; }
  .hero-card-main { padding: 28px 20px; }
  .hero-card-icon { width: 50px; height: 50px; font-size: 22px; }
  .hero-card-main h4 { font-size: 18px; }
  .admin-stats { grid-template-columns: 1fr; }
  .stat-card-value { font-size: 28px; }
  .container { padding: 0 16px; }
  .course-detail-header { padding: 28px 24px; }
  .lesson-content { padding: 24px; }
  .quiz-section { padding: 24px; }
  .profile-card { padding: 28px 24px; }
  .review-card { border-right-width: 3px; }
}

/* ===== CHAT ===== */
.chat-container { display:flex; flex-direction:column; height:calc(100vh - 180px); background:var(--glass-bg); backdrop-filter:blur(var(--glass-blur)); border-radius:var(--radius-xl); border:1px solid var(--glass-border); overflow:hidden; }
.chat-header { padding:16px 20px; border-bottom:1px solid var(--border); display:flex; align-items:center; gap:12px; }
.chat-header-avatar { width:40px; height:40px; background:var(--accent); border-radius:50%; display:flex; align-items:center; justify-content:center; color:#fff; font-weight:700; font-size:16px; }
.chat-header h3 { font-size:16px; font-weight:700; margin:0; }
.chat-header p { font-size:12px; color:var(--text-light); margin:0; }
.chat-messages { flex:1; overflow-y:auto; padding:16px 20px; display:flex; flex-direction:column; gap:6px; }
.chat-message { max-width:80%; padding:8px 14px; border-radius:12px; font-size:14px; line-height:1.6; position:relative; }
.chat-message.sent { align-self:flex-end; background:var(--accent); color:#fff; border-bottom-left-radius:4px; }
.chat-message.received { align-self:flex-start; background:var(--bg); color:var(--text); border-bottom-right-radius:4px; }
.chat-message .time { font-size:10px; opacity:0.6; display:block; margin-top:4px; text-align:left; }
.chat-message .status { font-size:10px; margin-right:4px; }
.chat-message img { max-width:200px; border-radius:8px; margin-top:4px; display:block; }
.chat-typing { padding:4px 20px; font-size:12px; color:var(--text-muted); font-style:italic; }
.chat-input-area { display:flex; gap:8px; padding:12px 16px; border-top:1px solid var(--border); align-items:center; }
.chat-input-area input[type="text"] { flex:1; padding:10px 14px; border:2px solid var(--border); border-radius:var(--radius-sm); font-size:14px; background:var(--bg); color:var(--text); outline:none; transition:var(--transition); }
.chat-input-area input[type="text"]:focus { border-color:var(--accent); }
.chat-input-area button { width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.chat-send-btn { background:var(--accent); color:#fff; font-size:16px; }
.chat-attach-btn { background:var(--bg); color:var(--text-muted); font-size:16px; }

/* ===== PDF VIEWER ===== */
.pdf-controls { display:flex; align-items:center; justify-content:space-between; padding:12px 0; gap:12px; }

/* ===== SUBSCRIPTION LOCKED ===== */
.locked-page { text-align:center; padding:80px 20px; max-width:500px; margin:0 auto; }
.locked-icon { font-size:80px; color:var(--accent); display:block; margin-bottom:24px; animation:lockPulse 2s infinite; }
@keyframes lockPulse { 0%,100% { transform:scale(1); opacity:1; } 50% { transform:scale(1.1); opacity:0.7; } }
.locked-page h1 { font-size:28px; font-weight:700; margin-bottom:12px; }
.locked-page p { font-size:16px; color:var(--text-light); margin-bottom:32px; line-height:1.8; }

/* ===== STUDENT PAYMENT ===== */
.payment-card { max-width:560px; margin:0 auto; background:var(--glass-bg); backdrop-filter:blur(var(--glass-blur)); border-radius:var(--radius-xl); padding:32px; border:1px solid var(--glass-border); box-shadow:var(--shadow); }
.payment-card h2 { font-size:24px; font-weight:700; margin-bottom:8px; text-align:center; }
.payment-card > p { text-align:center; margin-bottom:28px; }
.payment-methods { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.payment-method-option { padding:12px; border:2px solid var(--border); border-radius:var(--radius-sm); cursor:pointer; text-align:center; transition:var(--transition); font-weight:600; font-size:14px; }
.payment-method-option:hover { border-color:var(--accent); background:var(--accent-glow); }
.payment-method-option.selected { border-color:var(--accent); background:var(--accent-glow); }
.receipt-upload-area { border:2px dashed var(--border); border-radius:var(--radius); padding:32px; text-align:center; cursor:pointer; transition:var(--transition); }
.receipt-upload-area:hover { border-color:var(--accent); background:var(--accent-glow); }
.receipt-upload-area.has-image { border-color:var(--success); background:rgba(5,150,105,0.04); }
.receipt-preview { max-width:100%; max-height:200px; border-radius:8px; margin-top:12px; }

/* ===== ADMIN DASHBOARD STATS ===== */
.admin-dashboard-grid { display:grid; grid-template-columns:1fr 1fr; gap:24px; }

/* ===== TOAST ===== */
.toast-container { position:fixed; bottom:24px; left:50%; transform:translateX(-50%); z-index:9999; display:flex; flex-direction:column; gap:8px; pointer-events:none; }
.toast { background:var(--card); color:var(--text); padding:14px 24px; border-radius:var(--radius); box-shadow:var(--shadow-lg); border:1px solid var(--border); border-right:4px solid var(--accent); font-size:14px; font-weight:600; display:flex; align-items:center; gap:10px; animation:slideUp 0.3s ease; pointer-events:all; max-width:400px; }
.toast.success { border-right-color:var(--success); }
.toast.error { border-right-color:var(--danger); }
.toast i { font-size:18px; }

/* ===== SKELETON LOADING ===== */
.skeleton { background:var(--bg); border-radius:var(--radius-sm); animation:skeletonPulse 1.5s infinite; }
@keyframes skeletonPulse { 0%,100% { opacity:0.5; } 50% { opacity:1; } }

@media (max-width: 768px) {
  .admin-dashboard-grid { grid-template-columns:1fr; }
  .chat-container { height:calc(100vh - 160px); border-radius:var(--radius-lg); }
  .chat-message { max-width:90%; }
  .chat-message img { max-width:120px; }
  .payment-card { padding:20px; }
  .payment-methods { grid-template-columns:1fr; }
}
}

/* ===== Plyr player (minimal: play/pause only) ===== */
/* ===== Educational Player (Plyr overrides) ===== */
.plyr-container {
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  background: #000;
  aspect-ratio: 16 / 9;
  position: relative;
}
.plyr-container .plyr {
  border-radius: 14px;
  height: 100%;
}
.plyr-container .plyr--video {
  border-radius: 14px;
}
/* Small orange centered play button */
.plyr__control--overlaid {
  background: var(--accent) !important;
  border-radius: 50% !important;
  padding: 12px !important;
  transition: transform 0.3s ease, opacity 0.3s ease !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5) !important;
}
.plyr__control--overlaid:hover {
  transform: scale(1.08);
  background: var(--accent) !important;
}
.plyr__control--overlaid svg {
  width: 20px;
  height: 20px;
}
.plyr--playing .plyr__control--overlaid {
  opacity: 0 !important;
  pointer-events: none !important;
}
/* Dark bottom control bar */
.plyr--full-ui .plyr__controls {
  background: linear-gradient(transparent 10%, rgba(0,0,0,0.92) 90%) !important;
  padding: 4px 8px !important;
  border-radius: 0 0 14px 14px !important;
  transition: opacity 0.2s ease !important;
}
.plyr--hide-controls .plyr__controls {
  opacity: 0 !important;
  transition: opacity 0.2s ease !important;
}
/* Slimmer control items spacing */
.plyr__controls .plyr__controls__item {
  margin: 0 3px !important;
}
/* Progress bar */
.plyr--full-ui input[type=range] {
  color: var(--accent);
  height: 4px !important;
  cursor: pointer !important;
}
/* Current time & duration */
.plyr__time {
  font-size: 12px !important;
  font-weight: 500 !important;
  color: #eee !important;
  padding: 0 4px !important;
}
/* Hide unwanted controls entirely */
.plyr__control[data-plyr="mute"],
.plyr__control[data-plyr="volume"],
.plyr__control[data-plyr="settings"],
.plyr__control[data-plyr="pip"],
.plyr__control[data-plyr="fullscreen"],
.plyr__control[data-plyr="airplay"],
.plyr__control[data-plyr="captions"],
.plyr__control[data-plyr="download"] {
  display: none !important;
}
.plyr__volume,
.plyr__menu,
.plyr__captions {
  display: none !important;
}
/* Mobile adjustments */
@media (max-width: 768px) {
  .plyr-container { border-radius: 10px; margin-bottom: 14px; }
  .plyr__control--overlaid { padding: 10px !important; }
  .plyr__control--overlaid svg { width: 18px; height: 18px; }
  .plyr--full-ui .plyr__controls { padding: 2px 6px !important; }
  .plyr__time { font-size: 10px !important; }
}

/* YouTube overlay strips (hide title/channel/logo/suggested videos) */
.plyr-youtube-overlay {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 2;
  pointer-events: auto;
  transition: opacity 0.35s ease;
}
.plyr-youtube-overlay-top {
  top: 0;
  height: 70px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.65) 0%, transparent 100%);
}
.plyr-youtube-overlay-bottom {
  bottom: 0;
  height: 190px;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 100%);
}
.plyr-youtube-overlay-hidden {
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Live indicator pulse */
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.3; } }