/* Sealed audio exhibits. The timeline is the argument: the whole recording is drawn to
   scale, and the stretches with no key are drawn as absence rather than omitted. A reader
   should be able to see how much was withheld without being told. */

.sealed-audio { margin: 1.5em 0; }

.sealed-audio-mount audio { width: 100%; display: block; }

.sealed-audio-timeline {
  display: flex;
  width: 100%;
  height: 0.75em;
  margin: 0.4em 0 0.3em;
  border-radius: 2px;
  overflow: hidden;
  background: var(--rule, #d8d4cc);
  position: relative;
}

/* Disclosed. Solid, because these bytes are here and checkable. */
.sealed-audio-seg.lit { background: var(--ink, #2c2a26); }

/* Sealed. Hatched rather than blank: nothing was cut, and something is known to be there —
   its hash is published and its duration is counted. Absence with a receipt. */
.sealed-audio-seg.dark {
  background-color: transparent;
  background-image: repeating-linear-gradient(
    45deg,
    var(--rule, #d8d4cc) 0 2px,
    transparent 2px 5px
  );
}

.sealed-audio-seg { min-width: 1px; }
.sealed-audio-seg.lit + .sealed-audio-seg.dark,
.sealed-audio-seg.dark + .sealed-audio-seg.lit { border-left: 1px solid var(--bg, #fbf9f4); }

/* Where the playhead is, over the WHOLE recording — sealed stretches included, so the
   proportion stays honest while playback skips them. */
.sealed-audio-timeline::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: var(--playhead, 0%);
  width: 1px;
  background: var(--accent, #a33);
}

.sealed-audio-note,
.sealed-audio-error {
  font-size: 0.85em;
  color: var(--muted, #6b665e);
  margin: 0.2em 0 0;
  min-height: 1.2em;
}
.sealed-audio-error { color: var(--accent, #a33); }

.sealed-audio figcaption .held { font-style: italic; }
.sealed-audio figcaption .disclosed { font-variant-numeric: tabular-nums; }

@media (prefers-reduced-motion: reduce) {
  .sealed-audio-timeline::after { transition: none; }
}

/* Print: the player is gone, but the attestation must survive onto paper. */
@media print {
  .sealed-audio-mount audio, .sealed-audio-note { display: none; }
  .sealed-audio-timeline { height: 0.5em; }
}