:root {
  color-scheme: dark;
  --bg: #0a1014;
  --surface: #111b21;
  --surface-2: #17242c;
  --surface-3: #1d2d36;
  --line: #2a414d;
  --line-strong: #3b6271;
  --text: #edf5f7;
  --muted: #9eb2ba;
  --quiet: #6f858e;
  --cyan: #50d4e6;
  --cyan-strong: #18b8d0;
  --amber: #efbb62;
  --danger: #f08181;
  --shadow: 0 16px 42px rgba(0, 0, 0, 0.28);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  background: var(--cyan);
  color: #071116;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.app-shell { width: min(1500px, 100%); margin: 0 auto; padding: 0 28px 36px; }
.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}
.brand-lockup { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--cyan-strong);
  border-radius: 50%;
  color: var(--cyan);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.brand-name { margin: 0; color: var(--text); font-size: 13px; font-weight: 700; letter-spacing: 0.18em; }
.brand-subtitle { margin: 3px 0 0; color: var(--cyan); font-size: 11px; font-weight: 700; letter-spacing: 0.16em; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-state { color: var(--quiet); font-size: 12px; }
.text-button, .back-button, .control-button, .filter-button, .detail-tab, .icon-button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}
.text-button, .back-button { padding: 8px 12px; color: var(--muted); }
.text-button:hover, .back-button:hover, .control-button:hover, .filter-button:hover, .icon-button:hover { border-color: var(--line-strong); color: var(--text); }
.icon-button { min-width: 44px; padding: 0; }
.close-drawer-button { padding: 7px 9px; }
.icon-glyph { display: inline-block; font-size: 20px; line-height: 1; }

main { min-height: 65vh; }
.view { padding: 46px 0 72px; }
.library-intro { max-width: 720px; }
.eyebrow { margin: 0 0 8px; color: var(--cyan); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(30px, 4vw, 52px); line-height: 1.02; letter-spacing: 0; }
h2 { margin: 0; font-size: 24px; line-height: 1.12; letter-spacing: 0; }
h3 { margin: 0; font-size: 18px; line-height: 1.2; letter-spacing: 0; }
.intro-copy { max-width: 640px; margin: 16px 0 0; color: var(--muted); font-size: 16px; line-height: 1.55; }

.library-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 36px 0 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.search-field { display: block; min-width: min(390px, 100%); flex: 1; }
.search-field input {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  outline: none;
}
.search-field input::placeholder { color: var(--quiet); }
.search-field input:focus { border-color: var(--cyan); box-shadow: 0 0 0 2px rgba(80, 212, 230, 0.16); }
.filter-group { display: flex; gap: 6px; }
.filter-button { min-height: 38px; padding: 7px 13px; color: var(--muted); }
.filter-button.is-active { border-color: var(--cyan-strong); color: var(--text); background: var(--surface-3); }
.catalog-state { min-height: 24px; margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.catalog-state.error { color: var(--danger); }
.catalog-state strong { color: var(--text); }

.stream-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.stream-card {
  display: grid;
  grid-template-columns: minmax(150px, 0.82fr) minmax(0, 1.18fr);
  min-width: 0;
  min-height: 190px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}
.stream-card:hover { border-color: var(--line-strong); }
.stream-card.processing { background: #0e171b; }
.card-thumb { position: relative; min-height: 190px; background: #14232a; }
.card-thumb img { display: block; width: 100%; height: 100%; min-height: 190px; object-fit: cover; }
.thumb-duration { position: absolute; right: 8px; bottom: 8px; padding: 4px 6px; border-radius: 4px; background: rgba(4, 8, 10, 0.84); color: var(--text); font-size: 12px; }
.card-copy { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; padding: 17px; }
.card-copy h3 { margin-top: 3px; }
.card-date { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.card-summary { display: -webkit-box; overflow: hidden; margin: 10px 0 0; color: var(--muted); font-size: 14px; line-height: 1.45; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: auto; padding-top: 14px; color: var(--quiet); font-size: 13px; }
.card-status { display: inline-flex; align-items: center; gap: 6px; margin-top: 13px; color: var(--cyan); font-size: 12px; font-weight: 700; }
.card-status.processing-status { color: var(--amber); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
.card-actions button { min-height: 44px; padding: 10px 14px; border: 1px solid var(--cyan-strong); border-radius: 6px; background: var(--cyan-strong); color: #061217; cursor: pointer; font-weight: 700; }
.card-actions button:hover { background: var(--cyan); }
.empty-state { grid-column: 1 / -1; padding: 40px 20px; border: 1px dashed var(--line); color: var(--muted); text-align: center; }

.detail-view { padding-top: 24px; }
.detail-topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.detail-status { color: var(--muted); font-size: 13px; text-align: right; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 7fr) minmax(320px, 3fr); align-items: start; gap: 18px; }
.media-column { position: sticky; top: 18px; min-width: 0; }
.video-frame { position: relative; overflow: hidden; aspect-ratio: 16 / 9; border: 1px solid var(--line); border-radius: 8px; background: #05090b; box-shadow: var(--shadow); }
.yt-player, .yt-player iframe { display: block; width: 100%; height: 100%; border: 0; }
.player-message { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 20px; background: #0c1519; color: var(--muted); text-align: center; }
.player-message strong { color: var(--text); font-size: 17px; }
.player-message span { max-width: 360px; font-size: 14px; line-height: 1.45; }
.player-message.is-hidden { display: none; }
.player-message.is-error { background: #1b1518; }
.edited-cut-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(190px, 0.42fr); align-items: center; gap: 18px; margin-top: 12px; padding: 16px 18px; border: 1px solid var(--cyan-strong); border-radius: 8px; background: linear-gradient(110deg, rgba(15, 43, 50, 0.96), rgba(17, 27, 33, 0.98)); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18); }
.edited-cut-hero.is-processing { border-color: var(--line-strong); background: var(--surface); }
.edited-cut-copy { min-width: 0; }
.edited-cut-copy .eyebrow { margin-bottom: 5px; }
.edited-cut-copy h2 { color: var(--text); }
.edited-cut-status { max-width: 560px; margin: 7px 0 0; color: var(--muted); font-size: 14px; line-height: 1.4; }
.edited-cut-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 12px; color: var(--cyan); font-size: 14px; font-variant-numeric: tabular-nums; }
.edited-cut-action { display: grid; gap: 10px; min-width: 0; }
.edited-cut-button { width: 100%; min-height: 44px; }
.cut-progress { display: grid; gap: 6px; }
.cut-progress-label { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.cut-progress-label span:last-child { color: var(--cyan); }
.cut-progress progress { display: block; width: 100%; height: 6px; accent-color: var(--cyan); }
.now-playing { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
.now-playing-copy { min-width: 0; }
.now-playing .eyebrow { margin-bottom: 4px; color: var(--quiet); }
.now-playing strong { display: block; color: var(--text); font-size: 16px; }
.now-range { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.now-playing-readout { display: grid; flex: 0 0 min(190px, 32%); gap: 7px; min-width: 120px; }
.time-readout { color: var(--cyan); font-variant-numeric: tabular-nums; font-size: 16px; text-align: right; }
.now-progress-bar { display: block; width: 100%; height: 7px; accent-color: var(--cyan); }
.player-toolbar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 14px; padding: 14px 4px 12px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 6px; background: rgba(17, 27, 33, 0.48); }
.transport-action { display: flex; min-width: 0; flex-direction: column; align-items: center; gap: 7px; }
.transport-button, .resume-button { display: inline-grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; background: var(--surface-2); color: var(--cyan); }
.transport-button:hover, .resume-button:hover { background: var(--surface-3); color: var(--text); }
.transport-label, .resume-label { color: var(--muted); font-size: 12px; line-height: 1.2; text-align: center; }
.control-button { min-height: 44px; padding: 10px 14px; color: var(--muted); }
.control-button.edited-cut-button { min-height: 44px; }
.control-button.primary { border-color: var(--cyan-strong); background: var(--cyan-strong); color: #061217; font-weight: 700; }
.control-button.primary:hover { background: var(--cyan); }
.control-button.quiet { color: var(--quiet); }
.transport-button:disabled, .resume-button:disabled { cursor: not-allowed; opacity: 0.42; }
.control-button:disabled { cursor: not-allowed; opacity: 0.42; }
.player-secondary { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 44px; margin-top: 12px; }
.resume-action { display: flex; align-items: center; gap: 10px; min-width: 0; }
.youtube-link { color: var(--cyan); font-size: 13px; text-decoration: none; }
.youtube-link:hover { text-decoration: underline; }
.player-note { margin: 8px 0 0; color: var(--quiet); font-size: 14px; line-height: 1.45; }
.open-drawer-button { display: none; width: 100%; min-height: 44px; margin-top: 12px; padding: 10px 12px; border: 1px solid var(--cyan-strong); border-radius: 6px; background: transparent; color: var(--cyan); cursor: pointer; font-weight: 700; }
.open-drawer-button:hover { background: var(--surface-3); color: var(--text); }
.deep-link-focus { outline: 2px solid var(--cyan); outline-offset: 3px; }

.detail-drawer { min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.drawer-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 18px 18px 14px; }
.drawer-head h1 { max-width: 600px; font-size: clamp(20px, 2vw, 26px); }
.detail-meta { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.icon-button { flex: 0 0 auto; color: var(--muted); }
.attribution { margin: 0; padding: 0 18px 16px; color: var(--quiet); font-size: 14px; line-height: 1.45; }
.detail-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; overflow: visible; padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--line); }
.detail-tab { width: 100%; min-width: 0; min-height: 48px; padding: 10px 8px; border: 0; border-radius: 0; background: var(--surface); color: var(--quiet); font-size: 14px; line-height: 1.2; white-space: normal; }
.detail-tab:hover, .detail-tab.is-active { color: var(--text); box-shadow: inset 0 -2px 0 var(--cyan); }
.drawer-content { padding: 12px; }
.tab-panel[hidden] { display: none; }
.panel-lead { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin: 0 4px 16px; padding: 2px 0 14px; border-bottom: 1px solid var(--line); }
.panel-lead-copy { min-width: 0; }
.panel-title { color: var(--text); font-size: 17px; line-height: 1.25; }
.panel-note { margin: 5px 0 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.panel-play-button, .chapter-play-button, .item-play-button { display: inline-grid; place-items: center; width: 46px; height: 46px; flex: 0 0 46px; border-radius: 50%; background: var(--surface-2); color: var(--cyan); }
.panel-play-button:hover, .chapter-play-button:hover, .item-play-button:hover { background: var(--surface-3); color: var(--text); }
.chapter-list, .item-list, .overview-list { display: grid; gap: 8px; }
.chapter-row { overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-2); }
.chapter-summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; width: 100%; padding: 12px; border: 0; background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.chapter-summary:hover { background: var(--surface-3); }
.chapter-summary:focus-visible { position: relative; z-index: 1; }
.chapter-title { display: block; font-size: 16px; font-weight: 700; }
.chapter-meta { display: block; margin-top: 5px; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.chapter-toggle-label { color: var(--cyan); font-size: 14px; }
.chapter-body { padding: 0 12px 12px; border-top: 1px solid var(--line); }
.chapter-description { margin: 14px 0 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.chapter-action { display: flex; align-items: center; gap: 10px; margin: 16px 0 14px; }
.control-caption { color: var(--muted); font-size: 14px; }
.chapter-events { display: grid; gap: 5px; }
.item-row { display: block; padding: 14px 0; border-top: 1px solid rgba(42, 65, 77, 0.7); }
.item-row:first-child { border-top: 0; }
.item-main { min-width: 0; }
.item-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.item-label { display: block; min-width: 0; color: var(--text); font-size: 16px; font-weight: 700; line-height: 1.3; }
.item-time { display: block; margin-top: 5px; color: var(--cyan); font-size: 14px; font-variant-numeric: tabular-nums; }
.item-summary { display: block; margin-top: 5px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.item-kind { display: inline-block; margin-right: 7px; color: var(--amber); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.item-progress { display: none; grid-template-columns: auto auto; gap: 5px 10px; align-items: center; margin-top: 9px; padding-top: 8px; border-top: 1px solid rgba(80, 212, 230, 0.24); color: var(--cyan); font-size: 13px; font-variant-numeric: tabular-nums; }
.item-row.is-playing { margin: 4px 0; padding: 12px 12px 12px 13px; border: 1px solid rgba(80, 212, 230, 0.34); border-left: 3px solid var(--cyan); border-radius: 6px; background: rgba(80, 212, 230, 0.06); }
.item-row.is-playing .item-progress { display: grid; }
.item-watched-indicator { display: inline-flex; align-items: center; gap: 4px; margin-left: 8px; color: var(--cyan); font-size: 12px; font-weight: 700; white-space: nowrap; }
.item-progress-time { color: var(--muted); text-align: right; }
.item-progress-bar { grid-column: 1 / -1; display: block; width: 100%; height: 6px; accent-color: var(--cyan); }
.overview-list { gap: 10px; }
.overview-list .overview-item-row { padding: 14px; border: 1px solid var(--line); border-left: 3px solid var(--cyan-strong); border-radius: 6px; background: var(--surface-2); }
.empty-panel { display: grid; gap: 8px; padding: 24px 10px; color: var(--quiet); font-size: 14px; line-height: 1.45; text-align: center; }
.empty-panel-title { color: var(--text); font-size: 15px; }
.empty-panel-copy { max-width: 440px; margin: 0 auto; }
.highlight-summary { margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.drawer-scrim { display: none; }

footer.site-footer { max-width: 760px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--quiet); font-size: 12px; line-height: 1.5; }
footer.site-footer p { margin: 5px 0; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

@media (max-width: 980px) {
  .app-shell { padding-inline: 20px; }
  .stream-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .app-shell { padding-inline: 14px; }
  .site-header { min-height: 64px; }
  .header-state { display: none; }
  .view { padding-top: 32px; }
  .library-toolbar { align-items: stretch; flex-direction: column; margin-top: 28px; }
  .search-field { min-width: 0; }
  .filter-group { width: 100%; }
  .filter-button { flex: 1; }
  .stream-card { grid-template-columns: 128px minmax(0, 1fr); min-height: 164px; }
  .card-thumb, .card-thumb img { min-height: 164px; }
  .card-copy { padding: 13px; }
  .card-copy h3 { font-size: 16px; }
  .card-summary { -webkit-line-clamp: 2; }
  .detail-view { padding-top: 16px; }
  .detail-layout { display: block; }
  .media-column { position: static; }
  .video-frame { border-radius: 6px; }
  .edited-cut-hero { grid-template-columns: 1fr; gap: 12px; padding: 15px; }
  .edited-cut-action { width: 100%; }
  .detail-drawer {
    position: fixed;
    z-index: 30;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(92vw, 450px);
    overflow-y: auto;
    border-width: 0 0 0 1px;
    border-radius: 0;
    box-shadow: -18px 0 42px rgba(0, 0, 0, 0.42);
    transform: translateX(102%);
    transition: transform 160ms ease;
  }
  .detail-drawer.is-open { transform: translateX(0); }
  .drawer-scrim { position: fixed; z-index: 20; inset: 0; border: 0; background: rgba(2, 6, 8, 0.68); }
  .drawer-scrim.is-visible { display: block; }
  .close-drawer-button { display: inline-block; }
  .detail-topbar { margin-bottom: 10px; }
  .detail-status { font-size: 12px; }
  .now-playing { align-items: start; }
  .now-playing-readout { flex-basis: 34%; }
  .open-drawer-button { display: block; }
}

@media (min-width: 761px) {
  #close-drawer-button { display: none; }
}

@media (max-width: 430px) {
  h1 { font-size: 31px; }
  .brand-name { font-size: 12px; }
  .brand-subtitle { font-size: 10px; }
  .stream-card { grid-template-columns: 112px minmax(0, 1fr); }
  .card-copy { padding: 11px; }
  .card-meta { gap: 4px 7px; font-size: 11px; }
  .player-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 10px; }
  .player-secondary { align-items: flex-start; flex-wrap: wrap; }
  .panel-lead { gap: 10px; }
  .item-header { gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}