/* ============================================================
   Toon Mentor – Design System
   Premium 2D Animation Learning Platform
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

/* ── CSS Variables ── */
:root {
  --bg-primary:    #FFFFFF;
  --bg-secondary:  #FAF8F5;
  --bg-card:       #FFFFFF;
  --primary:       #C97B63;
  --primary-dark:  #B76A53;
  --primary-light: #DF9B87;
  --secondary:     #1F1F1F;
  --secondary-dark:#000000;
  --accent:        #D7B98E;
  --accent-light:  #E8D2AF;
  --success:       #10B981;
  --danger:        #EF4444;
  --warning:       #F59E0B;
  --text-primary:  #1F1F1F;
  --text-secondary:#6B7280;
  --text-muted:    #9CA3AF;
  --border:        #ECE8E1;
  --border-light:  #F9F8F6;
  --premium:       #D7B98E;
  --premium-light: #FDF9F2;
  --shadow-sm:     0 2px 8px rgba(0,0,0,.04);
  --shadow-md:     0 10px 40px rgba(0,0,0,.05);
  --shadow-lg:     0 20px 60px rgba(0,0,0,.08);
  --shadow-xl:     0 30px 80px rgba(0,0,0,.12);
  --radius-sm:     12px;
  --radius-md:     16px;
  --radius-lg:     24px;
  --radius-xl:     32px;
  --transition:    all .3s cubic-bezier(.4,0,.2,1);
  --font-head:     'Sora', 'Poppins', sans-serif;
  --font-body:     'Inter', sans-serif;
  --gradient-primary: linear-gradient(135deg, #C97B63 0%, #B76A53 100%);
  --gradient-accent:  linear-gradient(135deg, #D7B98E 0%, #C97B63 100%);
  --gradient-warm:    radial-gradient(circle at top left, rgba(201,123,99,0.06), transparent 50%), radial-gradient(circle at bottom right, rgba(215,185,142,0.06), transparent 50%), #FFFFFF;
  --gradient-card:    linear-gradient(145deg, #FFFFFF 0%, #FAF8F5 100%);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
svg[data-lucide] {
  width: 1.25em;
  height: 1.25em;
  vertical-align: middle;
  stroke-width: 2;
  flex-shrink: 0;
}
a  { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }

/* ── Typography ── */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
p  { color: var(--text-secondary); }
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-fluid { width: 100%; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-lg { padding: 7rem 0; }
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(201,123,99,.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(201,123,99,.35);
  color: #fff;
}
.btn-secondary {
  background: #fff;
  color: var(--text-primary);
  border: 1px solid var(--border);
  box-shadow: 0 4px 14px rgba(0,0,0,.03);
}
.btn-secondary:hover { background: var(--bg-secondary); transform: translateY(-2px); color: var(--text-primary); }
.btn-accent {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(215,185,142,.35);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(215,185,142,.45); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover { background: var(--bg-secondary); color: var(--text-primary); }
.btn-ghost {
  background: rgba(74,108,247,.08);
  color: var(--primary);
}
.btn-ghost:hover { background: rgba(74,108,247,.15); color: var(--primary); }
.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}
.btn-white:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: .5rem 1.1rem; font-size: .85rem; }
.btn-lg { padding: 1rem 2.25rem; font-size: 1.05rem; }
.btn-xl { padding: 1.2rem 3rem; font-size: 1.1rem; border-radius: 50px; }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-8px); }
.card-body { padding: 1.5rem; }
.card-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border-light); }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .3rem .75rem;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.badge-primary { background: rgba(74,108,247,.12); color: var(--primary); }
.badge-success { background: rgba(16,185,129,.12); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.12); color: var(--warning); }
.badge-danger  { background: rgba(239,68,68,.12);  color: var(--danger); }
.badge-premium { background: var(--premium-light); color: #92610a; }
.badge-free    { background: rgba(16,185,129,.12); color: var(--success); font-weight: 700; }
.badge-level   { padding: .2rem .6rem; border-radius: 4px; font-size: .7rem; font-weight: 700; color: #fff; }

/* ── Forms ── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  color: var(--text-primary);
  margin-bottom: .4rem;
}
.form-control {
  width: 100%;
  padding: .8rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--text-primary);
  background: var(--bg-card);
  transition: var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(74,108,247,.12); }
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { cursor: pointer; }
.form-check { display: flex; align-items: center; gap: .5rem; cursor: pointer; }
.form-check input[type=checkbox] { width: 18px; height: 18px; cursor: pointer; accent-color: var(--primary); }
.form-hint { font-size: .82rem; color: var(--text-muted); margin-top: .25rem; }
.form-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }

/* ── Flash Messages ── */
.flash {
  padding: .9rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-weight: 500;
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  animation: slideDown .3s ease;
}
.flash-success { background: rgba(16,185,129,.12); color: #065f46; border: 1px solid rgba(16,185,129,.25); }
.flash-error   { background: rgba(239,68,68,.10);  color: #991b1b; border: 1px solid rgba(239,68,68,.2); }
.flash-info    { background: rgba(74,108,247,.10); color: #1e3a8a; border: 1px solid rgba(74,108,247,.2); }
.flash-warning { background: rgba(245,158,11,.10); color: #92400e; border: 1px solid rgba(245,158,11,.2); }
@keyframes slideDown { from { opacity:0; transform:translateY(-10px); } to { opacity:1; transform:none; } }

/* ── Navigation ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(252,251,248,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  padding: 0 1.5rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
  height: 64px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
}
.navbar-brand:hover { color: var(--primary); }
.brand-logo {
  width: 40px; height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.nav-link {
  padding: .5rem .875rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .95rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active { background: rgba(74,108,247,.08); color: var(--primary); }
.navbar-actions { display: flex; align-items: center; gap: .75rem; }

.mobile-auth-links { display: none; }
.cart-badge {
  position: relative;
  display: inline-flex;
}
.cart-count {
  position: absolute;
  top: -6px; right: -6px;
  width: 18px; height: 18px;
  background: var(--danger);
  color: #fff;
  border-radius: 50%;
  font-size: .65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: .5rem; border: none; background: transparent; }
.hamburger span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-warm);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(74,108,247,.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139,92,246,.08) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(245,158,11,.06) 0%, transparent 40%);
}
.hero-grid {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 45% 55%;
  gap: 4rem;
  align-items: center;
  padding-top: 2rem;
  padding-bottom: 4rem;
}
.hero-content { position: relative; z-index: 2; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  animation: fadeUp .6s ease;
  flex-wrap: wrap;
}
.hero-tag span.highlight {
  color: var(--primary);
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  animation: fadeUp .6s .1s ease both;
}
.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 2.5rem;
  animation: fadeUp .6s .2s ease both;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeUp .6s .3s ease both;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 3rem;
  animation: fadeUp .6s .4s ease both;
}
.hero-stat .number {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
}
.hero-stat .label {
  font-size: .85rem;
  color: var(--text-muted);
  font-weight: 500;
}
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 10%, black 90%, transparent);
}
.hero-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  height: 150vh;
  transform: rotate(-5deg) scale(1.1);
}
.showcase-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  will-change: transform;
}
.showcase-col.up {
  animation: scrollUp 40s linear infinite;
}
.showcase-col.down {
  animation: scrollDown 40s linear infinite;
}
.showcase-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: .5rem;
  box-shadow: var(--shadow-md);
}
.showcase-item img {
  border-radius: calc(var(--radius-lg) - 6px);
  width: 100%;
  object-fit: cover;
}

@keyframes scrollUp {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}
@keyframes scrollDown {
  0% { transform: translateY(-50%); }
  100% { transform: translateY(0); }
}

.hero-float-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: .85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}
.float-icon {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--bg-secondary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ── Section Headers ── */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block;
  padding: .35rem .875rem;
  background: rgba(74,108,247,.1);
  color: var(--primary);
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .875rem;
}
.section-title { margin-bottom: .75rem; }
.section-desc { color: var(--text-secondary); max-width: 560px; margin: 0 auto; }

/* ── Course Card ── */
.course-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.course-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-8px); }
.course-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.course-card:hover .course-thumb img { transform: scale(1.05); }
.course-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.4) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.course-card:hover .course-thumb-overlay { opacity: 1; }
.play-btn {
  width: 56px; height: 56px;
  background: rgba(255,255,255,.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
  transform: scale(.8);
  transition: var(--transition);
}
.course-card:hover .play-btn { transform: scale(1); }
.course-meta-top {
  position: absolute;
  top: .75rem;
  left: .75rem;
  right: .75rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.course-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.course-category { font-size: .78rem; color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-bottom: .4rem; }
.course-title { font-size: 1rem; font-weight: 700; line-height: 1.35; margin-bottom: .75rem; color: var(--text-primary); }
.course-title a { color: inherit; }
.course-title a:hover { color: var(--primary); }
.course-info { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.course-info-item { display: flex; align-items: center; gap: .3rem; font-size: .8rem; color: var(--text-muted); }
.panel-content { 
  flex: 1; 
  padding: 2rem 3rem; 
  display: flex;
  flex-direction: column;
}
.panel-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: flex-start; 
  margin-bottom: 2rem; 
  gap: 1rem;
  order: -1;
}
.global-flash {
  order: 0;
  margin-bottom: 1.5rem;
}
.course-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 1rem; border-top: 1px solid var(--border-light); margin-top: auto; }
.course-price { font-family: var(--font-head); font-size: 1.2rem; font-weight: 800; color: var(--text-primary); }
.course-price.free { color: var(--success); }


/* ── Product Card ── */
.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-8px); }
.product-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-thumb img { transform: scale(1.05); }
.product-body { padding: 1.25rem; }
.product-cat  { font-size: .75rem; color: var(--secondary); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-bottom: .35rem; }
.product-title { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }
.product-meta { font-size: .8rem; color: var(--text-muted); margin-bottom: 1rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.product-footer { display: flex; justify-content: space-between; align-items: center; }
.product-price { font-family: var(--font-head); font-size: 1.15rem; font-weight: 800; }

/* ── Blog Card ── */
.post-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
}
.post-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-8px); }
.post-thumb { aspect-ratio: 16/9; overflow: hidden; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.post-card:hover .post-thumb img { transform: scale(1.04); }
.post-body { padding: 1.25rem; }
.post-cat { font-size: .75rem; color: var(--secondary); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.post-title { font-size: 1.05rem; font-weight: 700; margin: .5rem 0; line-height: 1.3; }
.post-title a { color: inherit; }
.post-title a:hover { color: var(--primary); }
.post-meta { font-size: .8rem; color: var(--text-muted); display: flex; gap: 1rem; flex-wrap: wrap; margin-top: .75rem; }

/* ── Testimonial ── */
.testimonial-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 1.5rem;
  font-size: 8rem;
  font-family: var(--font-head);
  color: var(--primary);
  opacity: .07;
  line-height: 1;
}
.star-rating { color: var(--accent); font-size: 1rem; letter-spacing: 2px; margin-bottom: .75rem; }
.testimonial-text { color: var(--text-secondary); font-size: .95rem; margin-bottom: 1.25rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: .75rem; }
.author-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border-light); }
.author-name { font-weight: 700; font-size: .9rem; }
.author-role { font-size: .78rem; color: var(--text-muted); }

/* ── Stats Counter ── */
.stats-section {
  background: var(--gradient-primary);
  color: #fff;
  padding: 4rem 0;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-head);
  font-size: 2.75rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: .5rem;
}
.stat-label { font-size: .95rem; opacity: .85; font-weight: 500; }

/* ── YouTube Section ── */
.yt-section { background: var(--bg-secondary); }
.yt-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; margin: 2rem 0; }
.yt-stat { text-align: center; }
.yt-stat .val { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); }
.yt-stat .lbl { font-size: .8rem; color: var(--text-muted); }

.yt-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}
.yt-video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.yt-video-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  background: #000;
}
.yt-video-card img { width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: var(--transition); }
.yt-video-card:hover img { opacity: .6; }
.yt-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.yt-play-btn {
  width: 54px; height: 54px;
  background: #ff0000;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(255,0,0,.4);
}
.yt-video-card:hover .yt-play-btn { transform: scale(1.1); }

/* ── Course Player ── */
.player-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}
.player-sidebar {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow-y: auto;
  max-height: 80vh;
  position: sticky;
  top: 88px;
}
.sidebar-course-title {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-light);
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-head);
}
.sidebar-module { border-bottom: 1px solid var(--border-light); }
.sidebar-module-title {
  padding: .9rem 1.25rem;
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  background: rgba(0,0,0,.02);
}
.sidebar-module-title:hover { background: rgba(0,0,0,.04); }
.sidebar-lessons { display: none; }
.sidebar-module.active .sidebar-lessons { display: block; }
.sidebar-lesson {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1.25rem;
  font-size: .85rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.sidebar-lesson:hover { background: rgba(74,108,247,.05); color: var(--primary); }
.sidebar-lesson.active {
  background: rgba(74,108,247,.1);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}
.sidebar-lesson.completed { color: var(--success); }
.lesson-icon { font-size: .8rem; flex-shrink: 0; }

.player-main { padding: 0; background: var(--bg-primary); }
.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
}
.video-wrap iframe { width: 100%; height: 100%; border: none; display: block; }
.player-info { padding: 1.75rem; }
.player-lesson-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 1rem; }
.player-controls { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.5rem; }
.progress-bar-wrap { background: var(--border); border-radius: 50px; height: 8px; margin-bottom: .5rem; }
.progress-bar-fill { height: 100%; border-radius: 50px; background: var(--gradient-primary); transition: width .4s ease; }
.player-tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 1.5rem; }
.player-tab {
  padding: .6rem 1.25rem;
  font-weight: 600;
  font-size: .9rem;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.player-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.note-item {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: .875rem;
  margin-bottom: .75rem;
  font-size: .9rem;
  color: var(--text-secondary);
}

/* ── Accordion (Curriculum) ── */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: .5rem;
  overflow: hidden;
}
.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .95rem;
  background: var(--bg-secondary);
  user-select: none;
  transition: var(--transition);
}
.accordion-header:hover { background: var(--border-light); }
.accordion-body { display: none; }
.accordion-item.open .accordion-body { display: block; }
.accordion-item.open .accordion-chevron { transform: rotate(180deg); }
.accordion-chevron { transition: transform .25s ease; }
.lesson-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .7rem 1.25rem;
  border-top: 1px solid var(--border-light);
  font-size: .9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.lesson-row:hover { background: rgba(74,108,247,.04); color: var(--primary); }
.lesson-row .duration { margin-left: auto; color: var(--text-muted); font-size: .8rem; }
.free-label { background: rgba(16,185,129,.12); color: var(--success); padding: .1rem .4rem; border-radius: 4px; font-size: .7rem; font-weight: 700; }

/* ── Cart / Checkout ── */
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th { padding: .75rem; font-size: .85rem; color: var(--text-muted); font-weight: 600; text-align: left; border-bottom: 2px solid var(--border); }
.cart-table td { padding: 1rem .75rem; border-bottom: 1px solid var(--border-light); vertical-align: middle; }
.cart-item-thumb { width: 60px; height: 45px; border-radius: var(--radius-sm); object-fit: cover; }
.cart-summary {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 88px;
}
.summary-row { display: flex; justify-content: space-between; padding: .6rem 0; border-bottom: 1px solid var(--border-light); font-size: .95rem; }
.summary-row.total { font-weight: 800; font-size: 1.15rem; border-bottom: none; color: var(--text-primary); }
.coupon-form { display: flex; gap: .5rem; margin-top: 1rem; }

/* ── Pagination ── */
.pagination ul { display: flex; gap: .4rem; justify-content: center; flex-wrap: wrap; padding: 2rem 0 0; }
.pagination li { list-style: none; }
.pagination li a, .pagination li.active span {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-decoration: none;
}
.pagination li a:hover { background: var(--primary); color: #fff; }
.pagination li.active a { background: var(--primary); color: #fff; }

/* ── Footer ── */
.footer {
  background: #1a1d2e;
  color: rgba(255,255,255,.75);
  padding: 5rem 0 2rem;
}
.footer-brand { margin-bottom: 1.25rem; }
.footer-brand .name { font-family: var(--font-head); font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: .5rem; }
.footer-brand .desc { font-size: .9rem; max-width: 280px; line-height: 1.65; }
.footer h4 { font-size: .85rem; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1.1rem; }
.footer-links li { margin-bottom: .55rem; }
.footer-links a { color: rgba(255,255,255,.6); font-size: .9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--primary-light); }
.footer-social { display: flex; gap: .75rem; margin-top: 1.25rem; }
.social-icon {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
}
.social-icon:hover { background: var(--primary); color: #fff; }
.footer-bottom {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .85rem;
  color: rgba(255,255,255,.4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
}

/* ── User/Admin Panel ── */
.panel-layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.panel-sidebar {
  background: #1a1d2e;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.panel-sidebar .brand { padding: 1.5rem; margin-bottom: .5rem; border-bottom: 1px solid rgba(255,255,255,.05); }
.panel-sidebar .brand a { display: block; font-family: var(--font-head); font-size: 1.25rem; font-weight: 800; color: #fff; text-decoration: none; }
.sidebar-nav { padding: 1rem; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  font-weight: 500;
  margin-bottom: .25rem;
  transition: var(--transition);
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: rgba(74,108,247,.2);
  color: #fff;
}
.sidebar-nav a .icon { width: 18px; text-align: center; }
.sidebar-divider { height: 1px; background: rgba(255,255,255,.08); margin: 1rem 0; }
.sidebar-section-label { font-size: .72rem; font-weight: 700; color: rgba(255,255,255,.3); text-transform: uppercase; letter-spacing: .1em; padding: .5rem 1rem; }
.panel-content { 
  padding: 2rem; 
  background: #f8fafc; 
  min-height: 100vh; 
  display: flex;
  flex-direction: column;
}
.panel-header { 
  display: flex; justify-content: space-between; align-items: center; 
  background: var(--bg-card);
  padding: 1.5rem 2rem;
  margin: -2rem -2rem 2rem -2rem;
  border-bottom: 1px solid rgba(0,0,0,.05);
  order: -1; /* Push to the very top */
}
.panel-title { font-size: 1.35rem; font-weight: 800; display:flex; align-items:center; gap:.5rem; }
.flash-container {
  order: 0; /* Placed immediately below panel header */
  margin-bottom: 1.5rem;
}

/* ── Admin Stats Cards ── */
.admin-stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.25rem; margin-bottom: 2rem; }
.admin-stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}
.admin-stat-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(74,108,247,.03) 100%);
}
.stat-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.stat-icon-wrap.blue   { background: rgba(74,108,247,.12); color: var(--primary); }
.stat-icon-wrap.purple { background: rgba(139,92,246,.12); color: var(--secondary); }
.stat-icon-wrap.green  { background: rgba(16,185,129,.12); color: var(--success); }
.stat-icon-wrap.amber  { background: rgba(245,158,11,.12); color: var(--accent); }
.stat-icon-wrap.red    { background: rgba(239,68,68,.12);  color: var(--danger); }
.stat-val { font-family: var(--font-head); font-size: 1.65rem; font-weight: 800; line-height: 1; }
.stat-lbl { font-size: .82rem; color: var(--text-muted); font-weight: 500; margin-top: .3rem; }

/* ── Tables ── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { padding: .875rem 1rem; font-size: .82rem; color: var(--text-muted); font-weight: 600; text-align: left; border-bottom: 2px solid var(--border); text-transform: uppercase; letter-spacing: .05em; }
.data-table td { padding: 1rem; border-bottom: 1px solid var(--border-light); font-size: .9rem; vertical-align: middle; }
.data-table tbody tr { transition: var(--transition); }
.data-table tbody tr:hover { background: rgba(74,108,247,.02); }
.table-wrap {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.table-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; }
.table-inner { overflow-x: auto; }

/* ── Admin Form Panel ── */
.form-panel {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

/* ── Breadcrumb ── */
.breadcrumb { display: flex; align-items: center; gap: .5rem; font-size: .85rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--primary); }
.breadcrumb-sep { color: var(--border); }

/* ── Status Badges ── */
.status-badge { display: inline-flex; align-items: center; gap: .3rem; padding: .25rem .7rem; border-radius: 50px; font-size: .78rem; font-weight: 600; }
.status-published, .status-active, .status-paid   { background: rgba(16,185,129,.12); color: #065f46; }
.status-draft, .status-inactive, .status-pending   { background: rgba(245,158,11,.12); color: #92400e; }
.status-suspended, .status-failed                  { background: rgba(239,68,68,.12);  color: #991b1b; }

/* ── About Section ── */
.about-section { background: var(--bg-secondary); }
.creator-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
}
.creator-photo { position: relative; }
.creator-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.creator-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 70%, rgba(255,255,255,.8) 100%);
}
.creator-info { padding: 3rem 2.5rem; }
.creator-info h2 { font-size: 1.75rem; margin-bottom: .5rem; }
.creator-info .role { color: var(--primary); font-weight: 600; margin-bottom: 1.5rem; }
.creator-achievements { display: flex; gap: 2rem; margin: 1.5rem 0; flex-wrap: wrap; }
.achievement { text-align: center; }
.achievement .val { font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.achievement .lbl { font-size: .78rem; color: var(--text-muted); }

/* ── Filters Bar ── */
.filters-bar {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2rem;
}
.filter-select {
  padding: .6rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  cursor: pointer;
  transition: var(--transition);
}
.filter-select:focus { border-color: var(--primary); outline: none; }
.search-input-wrap { position: relative; flex: 1; min-width: 200px; }
.search-input-wrap .form-control { padding-left: 2.5rem; }
.search-icon { position: absolute; left: .875rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); }

/* ── Gradient Orbs (decorative) ── */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .4;
  pointer-events: none;
}
.orb-primary { background: var(--primary); }
.orb-secondary { background: var(--secondary); }
.orb-accent { background: var(--accent); }

/* ── Course Layout ── */
.course-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2.5rem;
  align-items: start;
}

/* ── Auth Layout ── */
.auth-section {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-warm);
  padding: 2rem;
}

/* ── Blog Layout ── */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  align-items: start;
}

/* ── User Account Layout ── */
.account-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 3rem 0;
}
.account-sidebar {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  position: sticky;
  top: 88px;
}
.account-user-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}
.user-avatar-wrap img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-light);
}
.user-info .user-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}
.user-info .user-email {
  font-size: .8rem;
  color: var(--text-muted);
}
.account-nav {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.account-nav a {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  transition: var(--transition);
}
.account-nav a i {
  width: 18px;
  height: 18px;
}
.account-nav a:hover {
  background: rgba(74,108,247,.05);
  color: var(--primary);
}
.account-nav a.active {
  background: var(--primary);
  color: #fff;
}
.nav-divider {
  height: 1px;
  background: var(--border-light);
  margin: .5rem 0;
}
.text-danger { color: var(--danger); }
.text-danger:hover { background: rgba(239,68,68,.05) !important; color: var(--danger) !important; }

/* ── Keyframe Animations ── */
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-16px); }
}
@keyframes floatCard {
  0%,100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-8px) rotate(1deg); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%,100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}
[data-aos] { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
[data-aos].aos-animate { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .creator-card { grid-template-columns: 1fr; }
  .creator-photo img { min-height: 280px; }
  .player-layout { grid-template-columns: 1fr; }
  .player-sidebar { max-height: 60vh; position: relative; top: 0; }
  .panel-layout { grid-template-columns: 1fr; }
  .panel-sidebar { display: none; height: auto; position: relative; }
}
@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 1rem;
    padding-bottom: 2rem;
  }
  .yt-grid { grid-template-columns: 1fr; gap: 2rem; }
  .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; }
  .course-layout { grid-template-columns: 1fr; }
  .blog-layout { grid-template-columns: 1fr; }
  .account-layout { grid-template-columns: 1fr; }
  .account-sidebar { position: static; margin-bottom: 2rem; }
  .auth-section { min-height: auto; padding: 1.5rem 1rem 3rem; align-items: flex-start; }
}
@media (max-width: 768px) {
  .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; }
  .navbar-nav { display: none; }
  .navbar-nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-card); box-shadow: var(--shadow-lg); padding: 1rem; gap: .5rem; }
  .mobile-auth-links { display: block; border-top: 1px solid var(--border); padding-top: 1rem; margin-top: .5rem; }
  .desktop-auth-links { display: none !important; }
  .navbar-brand { font-size: 1.15rem; gap: .4rem; }
  .navbar-brand .brand-logo { width: 32px; height: 32px; }
  .navbar-actions .btn { padding: .4rem .8rem; font-size: .8rem; }
  .hero-tag { justify-content: center; text-align: center; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 5rem 0 3rem; }
  .hero-visual { margin-top: 2rem; height: 350px; }
  .hero-showcase { height: 750px; gap: .75rem; transform: rotate(-5deg) scale(0.95); }
  .about-section .grid-2 { grid-template-columns: 1fr; }
  .cart-summary { position: static; }
  .panel-layout { grid-template-columns: 1fr; }
  .admin-stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .admin-stat-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}