:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.65);
  --border: rgba(255, 255, 255, 0.10);
  --accent: #7c5cff;
  --accent2: #4fe3c1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% -10%, rgba(124, 92, 255, 0.35), transparent 60%),
    radial-gradient(1000px 500px at 110% 10%, rgba(79, 227, 193, 0.18), transparent 55%),
    var(--bg);
  color: var(--text);
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px;
}

.header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 14px 14px 6px;
}

.title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.subtitle {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.search {
  margin-top: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), transparent);
  border-radius: 14px;
  backdrop-filter: blur(8px);
}

.search-row {
  display: flex;
  gap: 10px;
}

.search-input {
  flex: 1;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  outline: none;
}

.search-input:focus {
  border-color: rgba(124, 92, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.18);
}

.btn {
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
}

.btn:hover { background: rgba(255, 255, 255, 0.12); }
.btn-secondary { background: rgba(0, 0, 0, 0.18); }
.btn-secondary:hover { background: rgba(0, 0, 0, 0.28); }

.search-meta { margin-top: 10px; }
.muted { color: var(--muted); font-size: 13px; }

.main {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 14px;
  margin-top: 14px;
}

.panel, .viewer {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), transparent);
  border-radius: 14px;
  padding: 14px;
  backdrop-filter: blur(8px);
}

.panel-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 10px;
}

.mt { margin-top: 16px; }

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

.card {
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
}

.card:hover {
  border-color: rgba(124, 92, 255, 0.45);
  background: rgba(0, 0, 0, 0.24);
}

.card-title {
  font-weight: 700;
  font-size: 13px;
}

.card-sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.pill-row {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pill {
  font-size: 11px;
  color: rgba(255,255,255,0.85);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
}

.viewer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.video-title {
  font-weight: 800;
  letter-spacing: 0.2px;
}

.player-shell {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(0,0,0,0.25);
  overflow: hidden;
}

.video {
  width: 100%;
  max-height: 480px;
  background: #000;
}

/* Video.js tweaks to fit our layout */
.video-js {
  width: 100%;
}

/* You said no CC button needed; keep captions always-on */
.vjs-subs-caps-button {
  display: none !important;
}

/* --- Chapter markers (YouTube-like) --- */
.vjs-chapter-markers {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  pointer-events: none; /* markers enable pointer on children */
}

.vjs-chapter-marker {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.65);
  border-radius: 2px;
  pointer-events: auto;
  cursor: pointer;
  opacity: 0.85;
}

.vjs-chapter-marker:hover {
  background: rgba(79, 227, 193, 0.95);
  opacity: 1;
}

.vjs-chapter-tooltip {
  position: absolute;
  bottom: 28px;
  transform: translateX(-50%);
  max-width: 260px;
  padding: 6px 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(0, 0, 0, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
  opacity: 0;
  transition: opacity 90ms ease;
}

.vjs-chapter-tooltip[data-show="true"] {
  opacity: 1;
}

.vjs-current-chapter {
  position: absolute;
  left: 10px;
  bottom: 54px;
  padding: 6px 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 10px;
  max-width: 60%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.tab {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
}

.tab-active {
  border-color: rgba(79, 227, 193, 0.55);
  background: rgba(79, 227, 193, 0.10);
}

.chapters {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chapter {
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.18);
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
}

.chapter:hover {
  border-color: rgba(79, 227, 193, 0.50);
  background: rgba(0,0,0,0.24);
}

.chapter-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.chapter-title {
  font-weight: 800;
  font-size: 13px;
}

.chapter-time {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.chapter-summary {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.transcript {
  margin-top: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.18);
  border-radius: 12px;
  padding: 10px;
  color: rgba(255,255,255,0.85);
  font-size: 12px;
  line-height: 1.45;
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
}

.hidden { display: none; }

@media (max-width: 980px) {
  .main { grid-template-columns: 1fr; }
}