/* Thematic Stylesheet: Cinora Live Screening Room */
:root {
  --bg-primary: #050507;
  --bg-secondary: #0f0f13;
  --bg-card: #14141a;
  --text-primary: #ffffff;
  --text-secondary: #e4e4e7;
  --text-muted: #a1a1aa;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --border-color: #272730;
  --badge-bg: #422006;
  --badge-text: #fef08a;
  --ad-bg: #0f0f13;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  color: var(--text-primary);
  line-height: 1.25;
}
a { color: inherit; text-decoration: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.site-header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}
.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.15rem;
}
.brand-icon {
  width: 2rem;
  height: 2rem;
  background-color: var(--accent);
  color: #06070a;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.nav-breadcrumbs a:hover { color: var(--text-primary); }
.video-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2rem 0 4rem 0;
}
@media (min-width: 1024px) {
  .video-layout {
    grid-template-columns: 1fr 380px;
    align-items: start;
  }
}
.video-stage {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
}
.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background-color: #000000;
}
.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-meta-pane { padding: 1.5rem; }
.lesson-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.video-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 1rem; }
.nav-controls-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
}
.btn-nav:hover:not(.disabled) {
  background-color: var(--accent);
  color: #06070a;
  border-color: var(--accent);
  transform: translateY(-1px);
}
.btn-nav.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.btn-primary {
  background-color: var(--accent);
  color: #06070a;
  border-color: var(--accent);
}
.btn-primary:hover { background-color: var(--accent-hover); }
.progress-counter { font-size: 0.875rem; color: var(--text-muted); font-weight: 500; }
.video-description-section { padding: 1.5rem; color: var(--text-secondary); }
.notes-card {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: 0.5rem;
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--accent);
}
.notes-card h3 { font-size: 1rem; margin-bottom: 0.75rem; }
.notes-card ul { padding-left: 1.25rem; }
.notes-card li { margin-bottom: 0.4rem; font-size: 0.9rem; }
.toc-sidebar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
  position: sticky;
  top: 5.5rem;
  max-height: calc(100vh - 7rem);
  display: flex;
  flex-direction: column;
}
.toc-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}
.toc-header h2 { font-size: 1.15rem; font-weight: 700; }
.toc-search-box { margin-top: 0.75rem; }
.toc-search-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.85rem;
}
.toc-list { list-style: none; overflow-y: auto; padding: 0.5rem; }
.toc-item { margin-bottom: 0.25rem; }
.toc-link {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 0.5rem;
  transition: background-color 0.15s ease;
  font-size: 0.875rem;
}
.toc-link:hover { background-color: var(--bg-secondary); }
.toc-link.active {
  background-color: var(--badge-bg);
  color: var(--badge-text);
  font-weight: 600;
  border-left: 3px solid var(--accent);
}
.toc-number {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background-color: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}
.toc-link.active .toc-number { background-color: var(--accent); color: #06070a; }
.toc-details { flex: 1; }
.toc-item-title { display: block; line-height: 1.35; }
.toc-item-duration { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.2rem; display: block; }
.landing-summary {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 46rem;
  margin: 1.25rem 0 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  line-height: 1.75;
}
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 3rem 0;
  margin-top: 4rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}