/* ============================================================
   Trailer overlay — opens on the `lumina:trailer` event.
   Owner: orchestrator.
   ============================================================ */

[data-section="trailer"] {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: clamp(0.75rem, 3vw, 2.5rem);
}
[data-section="trailer"][hidden] { display: none; }

[data-section="trailer"] .tr__scrim {
  position: absolute;
  inset: 0;
  background: rgba(3, 4, 10, 0.88);
  backdrop-filter: blur(16px) saturate(0.65);
  -webkit-backdrop-filter: blur(16px) saturate(0.65);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}

[data-section="trailer"] .tr__panel {
  position: relative;
  width: min(880px, 100%);
  max-height: calc(100dvh - 2rem);
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #0C1024, #070A16);
  box-shadow:
    inset 0 0 0 1px var(--line-2),
    0 40px 120px rgba(0, 0, 0, 0.75);
  --notch: 20px;
  opacity: 0;
  transform: translate3d(0, 22px, 0) scale(0.985);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
[data-section="trailer"].is-open .tr__scrim { opacity: 1; }
[data-section="trailer"].is-open .tr__panel { opacity: 1; transform: none; }

/* ---- title bar ---- */
[data-section="trailer"] .tr__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--line);
  flex: 0 0 auto;
}
[data-section="trailer"] .tr__bar .micro { color: var(--ink-60); }
[data-section="trailer"] .tr__x {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--ink-60);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
[data-section="trailer"] .tr__x:hover {
  color: var(--cy);
  box-shadow: inset 0 0 0 1px var(--line-hot);
}

/* ---- body: video + chapter rail ---- */
[data-section="trailer"] .tr__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  min-height: 0;
  flex: 1 1 auto;
}

[data-section="trailer"] .tr__stage {
  position: relative;
  background: #03040A;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 0.75rem;
}
/* The source is a 9:16 phone capture. Show it as one, rather than
   cropping the captions off to fake a cinematic frame. */
[data-section="trailer"] .tr__video {
  height: min(74vh, 660px);
  width: auto;
  max-width: 100%;
  aspect-ratio: 540 / 954;
  background: #000;
  box-shadow: 0 0 0 1px var(--line), 0 20px 60px rgba(0, 0, 0, 0.6);
}

[data-section="trailer"] .tr__side {
  border-left: 1px solid var(--line);
  padding: 1.1rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: auto;
}
[data-section="trailer"] .tr__lbl { margin-bottom: 0.7rem; }

[data-section="trailer"] .tr__chapters { display: grid; gap: 1px; }
[data-section="trailer"] .tr__chapters button {
  display: grid;
  grid-template-columns: 2.9rem minmax(0, 1fr);
  gap: 0.15rem 0.55rem;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.55rem;
  border-left: 2px solid transparent;
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}
[data-section="trailer"] .tr__chapters button:hover { background: var(--surface); }
[data-section="trailer"] .tr__chapters button[aria-current="true"] {
  background: var(--cy-dim);
  border-left-color: var(--cy);
}
[data-section="trailer"] .tr__t {
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--ink-40);
  padding-top: 0.12em;
}
[data-section="trailer"] .tr__c {
  font-size: 0.83rem;
  line-height: 1.35;
  color: var(--ink-80);
}
[data-section="trailer"] .tr__chapters button[aria-current="true"] .tr__c { color: var(--ink); }
[data-section="trailer"] .tr__chapters em {
  grid-column: 2;
  font-family: var(--f-mono);
  font-style: normal;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-40);
}

[data-section="trailer"] .tr__note {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.73rem;
  line-height: 1.5;
  color: var(--ink-40);
}

@media (max-width: 820px) {
  [data-section="trailer"] .tr__body { grid-template-columns: 1fr; }
  [data-section="trailer"] .tr__side {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  [data-section="trailer"] .tr__video { height: min(52vh, 430px); }
  [data-section="trailer"] .tr__chapters {
    grid-auto-flow: column;
    grid-auto-columns: 15rem;
    overflow-x: auto;
    gap: 0.4rem;
  }
  [data-section="trailer"] .tr__chapters button {
    border-left: 0;
    border-bottom: 2px solid transparent;
    box-shadow: inset 0 0 0 1px var(--line);
  }
  [data-section="trailer"] .tr__chapters button[aria-current="true"] {
    border-bottom-color: var(--cy);
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-section="trailer"] .tr__scrim,
  [data-section="trailer"] .tr__panel { transition: none; }
}