.viewer-status {
  color: #a9b2b1;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.viewer-shell {
  width: min(1280px, calc(100% - 48px));
  min-height: calc(100dvh - 157px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, .72fr);
  align-items: start;
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(44px, 6vw, 80px) 0 72px;
}

.viewer-card {
  min-width: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 8px solid var(--red);
}

.viewer-player {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #1a1a1a;
}
.viewer-player iframe,
.viewer-player video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.viewer-meta { padding: clamp(24px, 4vw, 44px); }
.viewer-meta .eyebrow { margin-bottom: 14px; }
.viewer-title {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 750;
  letter-spacing: -.045em;
  line-height: 1;
}
.viewer-teams { margin-top: 14px; color: var(--ink-soft); font-size: 15px; font-weight: 650; }
.viewer-source {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  margin-top: 24px;
  padding: 8px 14px;
  background: var(--red-soft);
  border: 1px solid #efc4c4;
  color: var(--red-dark);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .2s cubic-bezier(.16,1,.3,1), background .2s cubic-bezier(.16,1,.3,1);
}
.viewer-source:hover,
.viewer-source:focus-visible { background: #f5d6d6; outline: none; transform: translateY(-1px); }

.sequence-card { position: sticky; top: 104px; }
.sequence-head {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.sequence-head h2 { margin: 0; font-size: 20px; }
.sequence-title-wrap { min-width: 0; }
.sequence-count { color: var(--ink-soft); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.play-all-button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 13px;
  background: var(--red);
  border: 1px solid var(--red);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: transform .2s cubic-bezier(.16,1,.3,1), background .2s cubic-bezier(.16,1,.3,1);
}
.play-all-button:hover,
.play-all-button:focus-visible { background: var(--red-dark); outline: none; transform: translateY(-1px); }
.play-all-button:active { transform: translateY(1px) scale(.98); }
.play-all-button.is-running { background: var(--ink); border-color: var(--ink); }
.sequence-list { max-height: calc(100dvh - 220px); overflow: auto; }
.sequence-row {
  width: 100%;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border);
  color: inherit;
  cursor: pointer;
  text-align: left;
  transition: background .2s cubic-bezier(.16,1,.3,1), transform .2s cubic-bezier(.16,1,.3,1);
}
.sequence-row:last-child { border-bottom: 0; }
.sequence-row:hover,
.sequence-row:focus-visible { background: var(--surface-alt); outline: none; }
.sequence-row.is-active { background: var(--surface-alt); box-shadow: inset 3px 0 0 var(--red); }
.sequence-row:active { transform: translateY(1px); }
.sequence-time { color: var(--blue); font-family: var(--font-mono); font-size: 11px; font-weight: 750; }
.sequence-action { color: var(--ink); font-size: 13px; font-weight: 750; line-height: 1.25; }
.sequence-detail { margin-top: 4px; color: var(--ink-soft); font-size: 10px; line-height: 1.35; }
.sequence-play { display: inline-flex; align-items: center; justify-content: flex-end; color: var(--red); text-align: right; }

.viewer-empty {
  grid-column: 1 / -1;
  max-width: 760px;
  padding: clamp(36px, 6vw, 72px);
  background: var(--surface);
  border-top: 8px solid var(--red);
}
.viewer-empty h1 { max-width: 14ch; font-size: clamp(36px, 6vw, 64px); }
.viewer-empty p { max-width: 52ch; margin-top: 24px; }

@media (max-width: 860px) {
  .viewer-shell { width: min(100% - 32px, 720px); grid-template-columns: 1fr; padding: 32px 0 56px; }
  .sequence-card { position: static; }
  .sequence-list { max-height: none; }
  .viewer-title { max-width: none; }
}

@media (max-width: 560px) {
  .viewer-status { grid-column: 1 / -1; }
  .viewer-meta { padding: 24px 20px; }
  .sequence-row { grid-template-columns: 48px minmax(0, 1fr) 22px; padding: 16px; }
  .sequence-head { align-items: flex-start; flex-direction: column; }
  .play-all-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .viewer-source, .sequence-row, .play-all-button { transition-duration: .01ms; }
}