.sample { background: var(--fill); border-radius: var(--radius); overflow: hidden; }

.tabs { display: flex; gap: 4px; padding: 0 28px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tabs [role='tab'] {
  min-height: 44px;
  padding: 12px 14px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--faint);
  font: 400 14px/1.2 var(--sans);
  cursor: pointer;
  white-space: nowrap;
}
.tabs [role='tab'][aria-selected='true'] { color: var(--brand); border-bottom-color: var(--brand); }
.panel { padding: 28px; }
.panel--feature { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: center; gap: 40px; }
.panel[hidden] { display: none; }
.feature { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.feature h3 { font-size: 24px; color: var(--brand); }
.feature__meta { color: var(--muted); }
.feature__task { color: var(--ink); }
.feature__task .label { margin-bottom: 4px; }
.stats { display: flex; flex-wrap: wrap; gap: 8px 36px; margin-block: 8px; }
.stats div { display: flex; flex-direction: column-reverse; }
.stats dt { font: 400 12px/1 var(--mono); text-transform: uppercase; color: var(--faint); }
.stats dd { font-size: 40px; line-height: 1.2; color: var(--brand); }
.feature__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }

.player { border-radius: var(--radius); background: var(--bg); box-shadow: inset 0 0 0 1px rgba(17, 17, 17, 0.06); overflow: hidden; }
.player__stage { position: relative; line-height: 0; }
.player__stage video { display: block; width: 100%; height: auto; background: var(--fill-strong); }
.player__overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.player__overlay text { font-family: var(--mono); font-weight: 500; }
.player__action {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 4px 8px;
  border-radius: var(--radius-small);
  background: var(--ink);
  color: #FFFFFF;
  font-size: 12px;
  line-height: 1.2;
}
.player__panel { padding: 14px 16px 16px; display: grid; gap: 10px; }
.player__timeline { display: flex; gap: 3px; }
.player__seg {
  min-width: 0;
  min-height: 28px;
  padding: 0 2px;
  overflow: hidden;
  border: 0;
  cursor: pointer;
  border-radius: 4px;
  background: var(--fill-strong);
  color: var(--slate);
  font: 400 11px/1 var(--mono);
  text-align: center;
}
.player__seg.is-active { background: var(--accent); color: var(--accent-ink); }
.player__time { font-size: 12px; color: var(--faint); white-space: nowrap; }
.player__controls { display: flex; align-items: center; gap: 14px; }
.player__play { min-width: 76px; }
.player__seek { flex: 1; min-width: 0; height: 24px; accent-color: var(--accent); }
.player__toggle { display: flex; align-items: center; min-height: 44px; gap: 6px; font-size: 14px; color: var(--ink); white-space: nowrap; }
.player__toggle input { width: 20px; height: 20px; accent-color: var(--accent); }

.anno { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 32px; }
.anno h3 + * { margin-bottom: 8px; }
.anno .hint { margin-bottom: 24px; }
.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th { padding: 8px 12px 8px 0; border-bottom: 1px solid var(--line); font: 400 12px/1.3 var(--mono); text-transform: uppercase; text-align: left; color: var(--muted); white-space: nowrap; }
.table td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.table td.mono { font-size: 13px; }
.linkish { min-height: 28px; padding: 4px 0; border: 0; background: none; color: var(--accent); font-size: 13px; font-weight: 500; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.legend { display: grid; gap: 8px; font-size: 15px; }
.legend li { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.legend .mono { font-size: 13px; color: var(--muted); }
.swatch { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.code {
  margin: 0;
  max-height: 440px;
  padding: 16px;
  overflow: auto;
  border-radius: 8px;
  background: var(--ink);
  color: #EBEBEB;
  font: 400 13px/1.55 var(--mono);
}

.details > div { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.details > div:first-child { padding-top: 0; }
.details dt { font: 400 12px/1.6 var(--mono); text-transform: uppercase; color: var(--muted); }
.details dd { font-size: 16px; }

@media (max-width: 900px) {
  .panel { padding-inline: 18px; }
  .panel--feature { grid-template-columns: 1fr; gap: 24px; }
  .player__seg, .linkish { min-height: 44px; }
  .stats dd { font-size: 32px; }
  .tabs [role='tab'] { padding-inline: 8px; font-size: 13px; }
  .tabs { padding-inline: 8px; }
  .panel { padding-block: 18px; }
  .anno { grid-template-columns: 1fr; }
  .details > div { grid-template-columns: 1fr; gap: 4px; }
  .player__controls { flex-wrap: wrap; }
  .player__seek { order: 3; flex-basis: 100%; }
  .player__toggle { margin-left: auto; }
}

.poster { display: block; width: 100%; height: auto; border-radius: var(--radius); }
.tabs [role='tab']:focus-visible { outline-offset: -3px; }
.method__body { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; gap: 0 40px; }
.method__facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 24px; }
.method__facts div { display: flex; flex-direction: column-reverse; justify-content: flex-end; padding: 16px; border-radius: var(--radius); background: var(--bg); }
.method__facts dd { font-size: 20px; line-height: 1.2; color: var(--brand); }
.method__facts dt { margin-top: 4px; font-size: 14px; color: var(--muted); }
.fold { border-top: 1px solid var(--line); }
.fold summary { padding: 16px 0; font-size: 18px; color: var(--brand); cursor: pointer; }
.fold[open] { padding-bottom: 20px; }
.fold .table { font-size: 16px; }
.fold .table td { color: var(--ink); }
.fold .table td:first-child, .fold .table td.mono { white-space: nowrap; }
.method__rules div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 16px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 16px; }
.method__rules dt { color: var(--muted); }
.method__rules dd { color: var(--ink); }
.method__more { padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
@media (max-width: 1100px) {
  .method__body { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .method__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method__rules div { grid-template-columns: 1fr; gap: 2px; }
}