/* =====================================================================
 * Course detail page — Motion Academy (pages/course-detail.blade.php)
 * ===================================================================== */
.cd-page {
  --cd-ink: #0f2a4a;
  --cd-muted: rgba(15, 42, 74, 0.68);
  --cd-card: #ffffff;
  --cd-line: rgba(51, 164, 218, 0.16);
  --cd-soft: #f2f8fc;
  --cd-gradient: linear-gradient(135deg, #02ad8f 0%, #45bec4 45%, #33a4da 75%, #1a83c1 100%);
}

html[data-theme="dark"] .cd-page {
  --cd-ink: #eaf6fb;
  --cd-muted: rgba(199, 228, 245, 0.72);
  --cd-card: rgba(11, 33, 64, 0.78);
  --cd-line: rgba(69, 190, 196, 0.18);
  --cd-soft: rgba(15, 42, 74, 0.6);
}

/* ---------- Hero ---------- */
.cd-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 28px 0 56px;
  background: linear-gradient(180deg, #f2f8fc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--cd-line);
}

html[data-theme="dark"] .cd-hero {
  background: linear-gradient(180deg, rgba(11, 33, 64, 0.9) 0%, rgba(6, 20, 39, 0.4) 100%);
}

.cd-hero-waves { position: absolute; inset: 0; z-index: -1; pointer-events: none; }

.cd-hero-waves span {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
}

.cd-hero-waves span:nth-child(1) {
  width: 640px; height: 640px; top: -320px; inset-inline-end: -160px;
  background: radial-gradient(circle, rgba(51, 164, 218, 0.22), transparent 65%);
}

.cd-hero-waves span:nth-child(2) {
  width: 520px; height: 520px; bottom: -300px; inset-inline-start: -140px;
  background: radial-gradient(circle, color-mix(in srgb, var(--cat-color, #02ad8f) 26%, transparent), transparent 65%);
}

.cd-hero-waves i {
  position: absolute;
  clip-path: polygon(18% 0, 100% 50%, 18% 100%);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(51, 164, 218, 0.3));
  animation: brand-float 8s ease-in-out infinite;
}

html[data-theme="dark"] .cd-hero-waves i { background: linear-gradient(135deg, rgba(143, 217, 224, 0.35), rgba(26, 131, 193, 0.15)); }
.cd-hero-waves i:nth-of-type(1) { width: 54px; height: 54px; top: 18%; inset-inline-start: 46%; }
.cd-hero-waves i:nth-of-type(2) { width: 34px; height: 34px; bottom: 16%; inset-inline-start: 4%; animation-delay: -4s; }

.cd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
  font-size: 0.85rem;
  color: var(--cd-muted);
}

.cd-breadcrumb li + li::before { content: '/'; margin-inline-end: 6px; opacity: 0.5; }
.cd-breadcrumb a { color: #1a83c1; text-decoration: none; }
.cd-breadcrumb a:hover { color: #02ad8f; }
.cd-breadcrumb [aria-current] { color: var(--cd-ink); font-weight: 600; }

.cd-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

.cd-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cd-ink);
  background: var(--cd-card);
  border: 1px solid var(--cd-line);
}

.cd-badge i { color: var(--cat-color, #02ad8f); }
.cd-badge-cat { border-color: color-mix(in srgb, var(--cat-color, #02ad8f) 40%, transparent); }
.cd-badge-hot { color: #fff; border: 0; background: var(--cd-gradient); }

.cd-title {
  font-family: 'Alexandria', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  line-height: 1.35;
  color: var(--cd-ink);
  margin-bottom: 12px;
}

.cd-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  background: var(--cd-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cd-intro { font-size: 1.05rem; line-height: 1.9; color: var(--cd-muted); margin-bottom: 22px; }

.cd-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.cd-meta li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 16px;
  border-radius: 14px;
  background: var(--cd-card);
  border: 1px solid var(--cd-line);
  color: var(--cd-ink);
  font-weight: 600;
  font-size: 0.9rem;
}

.cd-meta li > i { color: #33a4da; font-size: 1.05rem; }
.cd-meta small { display: block; font-size: 0.7rem; font-weight: 500; color: var(--cd-muted); line-height: 1.2; }

.cd-avatar,
.cd-instructor-avatar {
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  background: var(--cd-gradient);
}

.cd-avatar { width: 32px; height: 32px; font-size: 0.9rem; }

.cd-hero-buy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.cd-price,
.cd-side-price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
}

.cd-price strong,
.cd-side-price strong {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--cd-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cd-price del,
.cd-side-price del { color: var(--cd-muted); font-size: 1.05rem; }

.cd-discount {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  color: #1a83c1;
  background: rgba(51, 164, 218, 0.12);
}

.cd-btn-preview {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px 8px 8px;
  border-radius: 999px;
  font-weight: 700;
  color: var(--cd-ink);
  background: var(--cd-card);
  border: 1px solid var(--cd-line);
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

html[dir="rtl"] .cd-btn-preview { padding: 8px 8px 8px 20px; }

.cd-btn-preview:hover {
  transform: translateY(-2px);
  color: var(--cd-ink);
  box-shadow: 0 12px 28px rgba(26, 131, 193, 0.18);
}

.cd-btn-preview-icon {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--cd-gradient);
}

.cd-btn-preview-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #45bec4;
  animation: cd-ring 2s ease-out infinite;
}

.cd-sale-ends { margin: 12px 0 0; font-size: 0.85rem; font-weight: 600; color: #1a83c1; }

/* ---------- Player ---------- */
.cd-player-card {
  padding: 12px;
  border-radius: 26px;
  background: var(--cd-card);
  border: 1px solid var(--cd-line);
  box-shadow: 0 30px 70px rgba(15, 42, 74, 0.16);
  scroll-margin-top: 120px;
}

.cd-player {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  background: #061427;
}

.cd-player-poster,
.cd-player-frame { position: absolute; inset: 0; }

.cd-player-poster > img { width: 100%; height: 100%; object-fit: cover; }

.cd-player-poster::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(6, 20, 39, 0.75));
  pointer-events: none;
}

.cd-player-art {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 4.5rem;
  color: rgba(255, 255, 255, 0.18);
  background:
    radial-gradient(circle at 25% 25%, rgba(69, 190, 196, 0.45), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(26, 131, 193, 0.5), transparent 55%),
    linear-gradient(135deg, #0b2346, #0f2a4a);
}

.cd-art-track {
  position: absolute;
  inset-inline: 10%;
  bottom: 20%;
  display: grid;
  gap: 6px;
}

.cd-art-track b {
  height: 7px;
  border-radius: 4px;
  background: linear-gradient(90deg, #02ad8f, #33a4da);
  opacity: 0.55;
}

.cd-art-track b:nth-child(1) { width: 55%; }
.cd-art-track b:nth-child(2) { width: 38%; margin-inline-start: 30%; opacity: 0.4; }
.cd-art-track b:nth-child(3) { width: 46%; margin-inline-start: 12%; opacity: 0.3; }

.cd-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 92px;
  height: 92px;
  border: 0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 1.8rem;
  background: var(--cd-gradient);
  box-shadow: 0 16px 40px rgba(2, 173, 143, 0.5);
  cursor: pointer;
  transition: transform 0.3s ease;
}

.cd-play-btn i { margin-left: 6px; }
.cd-play-btn:hover { transform: translate(-50%, -50%) scale(1.08); }

.cd-play-btn::before,
.cd-play-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.7);
  animation: cd-ring 2.2s ease-out infinite;
}

.cd-play-btn::after { animation-delay: 1.1s; }

@keyframes cd-ring {
  from { transform: scale(1); opacity: 0.9; }
  to { transform: scale(1.8); opacity: 0; }
}

.cd-player-caption {
  position: absolute;
  z-index: 2;
  inset-inline: 16px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.cd-player-caption i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
}

.cd-player-frame iframe,
.cd-player-frame video { width: 100%; height: 100%; border: 0; background: #000; }

/* Playlist */
.cd-playlist { padding: 14px 4px 2px; }

.cd-playlist-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cd-ink);
}

.cd-playlist-head i { color: #02ad8f; }

.cd-playlist-head em {
  font-style: normal;
  padding: 1px 9px;
  border-radius: 999px;
  font-size: 0.75rem;
  color: #fff;
  background: var(--cd-gradient);
}

.cd-playlist ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  max-height: 184px;
  overflow-y: auto;
}

.cd-playlist-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 10px;
  border: 0;
  border-radius: 12px;
  text-align: start;
  color: var(--cd-ink);
  background: transparent;
  transition: background 0.2s ease;
}

.cd-playlist-item:hover { background: var(--cd-soft); }

.cd-playlist-item.is-playing {
  background: linear-gradient(135deg, rgba(2, 173, 143, 0.12), rgba(51, 164, 218, 0.12));
}

.cd-playlist-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #1a83c1;
  background: rgba(51, 164, 218, 0.12);
}

.cd-playlist-item.is-playing .cd-playlist-num { color: #fff; background: var(--cd-gradient); }

.cd-playlist-title { flex: 1; font-size: 0.88rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cd-playlist-meta { font-size: 0.75rem; color: var(--cd-muted); }
.cd-playlist-play { color: #02ad8f; font-size: 0.75rem; }

/* ---------- Body ---------- */
.cd-main { padding-top: 36px; padding-bottom: 20px; }

.cd-tabs {
  display: flex;
  gap: 6px;
  padding: 6px;
  margin-bottom: 20px;
  border-radius: 16px;
  background: var(--cd-card);
  border: 1px solid var(--cd-line);
  overflow-x: auto;
}

.cd-tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border: 0;
  border-radius: 12px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--cd-muted);
  background: transparent;
  transition: color 0.2s ease, background 0.2s ease;
}

.cd-tab:hover { color: var(--cd-ink); }

.cd-tab.active {
  color: #fff;
  background: var(--cd-gradient);
  box-shadow: 0 8px 20px rgba(26, 131, 193, 0.22);
}

.cd-card {
  padding: 24px;
  margin-bottom: 18px;
  border-radius: 20px;
  background: var(--cd-card);
  border: 1px solid var(--cd-line);
  box-shadow: 0 8px 26px rgba(15, 42, 74, 0.05);
}

.cd-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}

.cd-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--cd-ink);
}

.cd-card-head .cd-card-title { margin: 0; }

.cd-card-title i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  color: #fff;
  background: var(--cd-gradient);
}

.cd-card-sub { font-size: 0.85rem; color: var(--cd-muted); }

.cd-outcomes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px 20px;
}

.cd-outcomes li { display: flex; gap: 10px; align-items: flex-start; color: var(--cd-ink); line-height: 1.7; }

.cd-outcomes i {
  flex-shrink: 0;
  margin-top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.65rem;
  color: #02ad8f;
  background: rgba(2, 173, 143, 0.12);
}

.cd-description { color: var(--cd-muted); line-height: 1.95; }
.cd-description :is(h2, h3, h4) { color: var(--cd-ink); }

/* Curriculum */
.cd-module {
  border: 1px solid var(--cd-line);
  border-radius: 16px;
  overflow: hidden;
}

.cd-module + .cd-module { margin-top: 10px; }

.cd-module-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 0;
  text-align: start;
  color: var(--cd-ink);
  background: var(--cd-soft);
}

.cd-module-num {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  background: var(--cd-gradient);
}

.cd-module-title { flex: 1; font-weight: 700; }
.cd-module-meta { font-size: 0.8rem; color: var(--cd-muted); }
.cd-module-chevron { color: var(--cd-muted); transition: transform 0.25s ease; }
.cd-module-head.collapsed .cd-module-chevron { transform: rotate(90deg); }
.cd-module-desc { padding: 12px 18px 0; font-size: 0.9rem; color: var(--cd-muted); }

.cd-lessons { list-style: none; margin: 0; padding: 6px; }

.cd-lesson {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--cd-ink);
}

.cd-lesson:hover { background: var(--cd-soft); }

.cd-lesson-icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  color: #1a83c1;
  background: rgba(51, 164, 218, 0.12);
}

.cd-lesson.is-preview .cd-lesson-icon { color: #02ad8f; background: rgba(2, 173, 143, 0.14); }
.cd-lesson-title { flex: 1; font-size: 0.92rem; }
.cd-lesson-duration { font-size: 0.8rem; color: var(--cd-muted); min-width: 48px; text-align: end; }
.cd-lesson-lock { font-size: 0.75rem; color: var(--cd-muted); opacity: 0.6; }

.cd-lesson-watch,
.cd-lesson-free {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.cd-lesson-watch {
  border: 0;
  color: #fff;
  background: var(--cd-gradient);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.cd-lesson-watch:hover { transform: scale(1.05); }
.cd-lesson-free { color: #02ad8f; background: rgba(2, 173, 143, 0.12); }

.cd-instructor { display: flex; align-items: center; gap: 18px; }
.cd-instructor-avatar { width: 72px; height: 72px; font-size: 1.8rem; flex-shrink: 0; }

/* Sidebar */
.cd-side {
  position: sticky;
  top: 120px;
  padding: 24px;
  border-radius: 22px;
  background: var(--cd-card);
  border: 1px solid var(--cd-line);
  box-shadow: 0 20px 50px rgba(15, 42, 74, 0.1);
}

.cd-side-price { margin-bottom: 16px; }

.cd-btn-primary,
.cd-btn-outline {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: 14px;
  font-weight: 700;
  text-decoration: none;
}

.cd-btn-primary {
  border: 0;
  color: #fff;
  background: var(--cd-gradient);
  box-shadow: 0 10px 24px rgba(26, 131, 193, 0.25);
}

.cd-btn-primary:disabled { opacity: 0.75; cursor: not-allowed; }

.cd-btn-outline {
  margin-top: 10px;
  color: var(--cd-ink);
  border: 1.5px solid #45bec4;
  background: transparent;
  transition: background 0.2s ease;
}

.cd-btn-outline:hover { color: var(--cd-ink); background: rgba(69, 190, 196, 0.1); }
.cd-btn-outline i { color: #02ad8f; }

.cd-side-link {
  display: block;
  margin-top: 12px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #1a83c1;
  text-decoration: none;
}

.cd-side-title {
  margin: 22px 0 12px;
  padding-top: 18px;
  border-top: 1px dashed var(--cd-line);
  font-size: 1rem;
  font-weight: 800;
  color: var(--cd-ink);
}

.cd-includes { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.cd-includes li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--cd-muted); }
.cd-includes i { width: 18px; text-align: center; color: #33a4da; }

@media (max-width: 991.98px) {
  .cd-side { position: static; }
  .cd-hero { padding-bottom: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  .cd-page *,
  .cd-page *::before,
  .cd-page *::after { animation: none !important; }
}