/* A second view of the same player: no duplicate audio or transcript data. */
.presentation-launch, .presentation-actions button {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 2.75rem; padding: .5rem .9rem; border: 1px solid var(--line-strong);
  border-radius: var(--radius); background: var(--surface); color: var(--text); cursor: pointer;
}
.presentation-launch { margin-top: 1rem; font-size: .85rem; color: var(--accent-bright); }
.presentation-launch:hover, .presentation-actions button:hover { background: var(--surface-strong); }
.presentation-mode { overflow: hidden; padding: 0; }
.presentation-mode > :not(.player-main) { display: none; }
.presentation-mode .player-main { position: fixed; inset: 0; width: 100%; margin: 0; z-index: 100; background: var(--bg); }
.presentation-mode .c { display: flex; flex-direction: column; height: 100%; height: 100dvh; background: var(--bg); }
.presentation-mode .c > :not(.presentation-stage):not(.player-toolbar) { display: none; }
.presentation-mode .player-toolbar { position: static; flex: none; width: min(100%, 100rem); max-width: none; margin-inline: auto; border: 0; padding: .9rem clamp(1rem, 4vw, 4rem) max(.9rem, env(safe-area-inset-bottom)); border-radius: 0; background: transparent; box-shadow: none; }
.presentation-mode .transcript-search { display: none; }
.presentation-mode .ctrl { border-top: 1px solid var(--line); padding-top: .8rem; }
.presentation-stage { display: flex; flex: 1; flex-direction: column; min-height: 0; padding: max(1rem, env(safe-area-inset-top)) clamp(1.25rem, 4vw, 4rem) 0; }
.presentation-head { display: flex; align-items: start; justify-content: space-between; gap: 2rem; flex: none; }
.presentation-series { margin: 0 0 .3rem; color: var(--accent-bright); font-size: clamp(.75rem, 1.2vw, 1.05rem); }
.presentation-title { max-width: 62ch; margin: 0; color: var(--muted); font: 500 clamp(.9rem, 1.45vw, 1.25rem) / 1.5 var(--font-ui); }
.presentation-actions { display: flex; flex: none; gap: .6rem; }
.presentation-actions button { white-space: nowrap; font-size: .8rem; }
.presentation-content { display: grid; align-items: center; flex: 1; min-height: 0; gap: clamp(1.5rem, 3vw, 3rem); padding-block: clamp(1rem, 3vh, 2rem); }
.presentation-transcript { width: min(100%, 66rem); min-width: 0; max-height: 100%; margin-inline: auto; overflow-y: auto; scrollbar-width: thin; }
.presentation-speaker { margin: 0 0 1.4rem; color: var(--sage); font-size: clamp(.85rem, 1.3vw, 1.15rem); }
.presentation-text { margin: 0; color: var(--muted); font: 400 clamp(1.6rem, 3.25vw, 3.5rem) / 1.55 var(--font-reading); overflow-wrap: anywhere; }
.presentation-text:focus { outline: none; }
.presentation-word.is-spoken { color: var(--text); }
.presentation-word.is-current { color: var(--accent-bright); background: var(--highlight); border-radius: .12em; box-shadow: inset 0 -2px 0 var(--accent-bright); }
.presentation-word--event { font-style: italic; }
.presentation-position { margin: 1.4rem 0 0; color: var(--dim); font-size: .75rem; font-variant-numeric: tabular-nums; }
.presentation-content.has-visual { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
.has-visual .presentation-text { font-size: clamp(1.35rem, 2.4vw, 3rem); }
.has-visual .presentation-speaker { margin-bottom: 1rem; }
.presentation-visual { min-width: 0; height: 100%; min-height: 0; }
.presentation-visual .lecture-illustration { display: flex; flex-direction: column; gap: 1rem; width: 100%; height: 100%; min-height: 0; margin: 0; }
.presentation-visual .lecture-illustration img { flex: 1; width: 100%; height: 0; min-height: 0; max-height: 100%; margin: 0; object-fit: contain; aspect-ratio: auto; border-radius: .25rem; }
.presentation-visual .lecture-illustration figcaption { flex: none; margin: 0; padding-left: 0; border: 0; font-size: clamp(.8rem, 1.15vw, 1rem); line-height: 1.5; }
.presentation-visual .lecture-illustration__credit { font-size: .75rem; }
.presentation-status { min-height: 0; margin: 0; color: var(--accent-bright); font-size: .85rem; }
.presentation-status:empty { display: none; }
.presentation-help { margin: .4rem 0 0; color: var(--dim); font-size: .7rem; text-align: center; }
@media (max-width: 720px) {
  .presentation-stage { padding-inline: 1rem; }
  .presentation-head { flex-wrap: wrap; gap: .6rem; }
  .presentation-actions { margin-left: auto; }
  .presentation-actions button { min-height: 2.75rem; padding: .35rem .65rem; font-size: .75rem; }
  .presentation-content { gap: 1rem; padding-block: 1rem; }
  .presentation-content.has-visual { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; }
  .has-visual .presentation-transcript { max-height: 34dvh; }
  .presentation-text { font-size: clamp(1.3rem, 4.6vw, 1.8rem); line-height: 1.5; }
  .has-visual .presentation-text { font-size: 1.12rem; }
  .presentation-speaker { margin-bottom: .6rem; font-size: .8rem; }
  .presentation-position { margin-top: .5rem; }
  .has-visual .presentation-position, .presentation-help { display: none; }
  .presentation-visual .lecture-illustration { gap: .4rem; }
  .presentation-visual .lecture-illustration figcaption { font-size: .75rem; }
  .presentation-visual .lecture-illustration__credit { font-size: .65rem; }
  .presentation-mode .player-toolbar { padding-inline: 1rem; }
}
@media (max-height: 520px) and (orientation: landscape) {
  .presentation-series, .presentation-help, .presentation-position { display: none; }
  .presentation-content.has-visual { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr; }
  .presentation-content { padding-block: .6rem; }
  .presentation-speaker { margin-bottom: .4rem; }
  .presentation-text { font-size: clamp(1rem, 2.4vw, 1.5rem); }
  .has-visual .presentation-text { font-size: clamp(1rem, 2vw, 1.3rem); }
  .has-visual .presentation-transcript { max-height: 100%; }
  .presentation-visual .lecture-illustration figcaption { font-size: .7rem; }
}

/* TV mode controls follow the same quiet style: text buttons, hairlines, gold for what can be pressed. */
.presentation-actions button { min-height: 0; padding: 0 0 .15rem; border: 0; border-bottom: 1px solid transparent; border-radius: 0; background: none; color: var(--accent); font: 400 .9rem / 1.4 var(--font-ui); }
.presentation-actions button:hover { background: none; color: var(--accent-bright); border-bottom-color: var(--accent); }
.presentation-actions { gap: 1.6rem; }
.presentation-series { color: var(--accent); font-family: var(--font-ui); letter-spacing: .04em; }
.presentation-speaker { color: var(--accent); font: 500 clamp(.7rem, 1vw, .85rem) / 1.4 var(--font-ui); letter-spacing: .14em; text-transform: uppercase; }
.presentation-word.is-current { background: var(--accent-wash); border-radius: 0; box-shadow: inset 0 -2px 0 var(--accent-bright); }