/* Scroll-led spreads. The original photos, drawings and journal typography remain. */
.cover-art > a { transform-origin: center; }
.archive-scroll-frame { position: relative; min-width: 0; margin-top: 2rem; background: var(--ink); }
.archive-scroll-frame::after {
  content: ""; position: absolute; inset: auto 0 0; height: 3px;
  background: var(--brand-green); transform: scaleX(var(--archive-progress, 0));
  transform-origin: left; pointer-events: none;
}
.archive-scroll-cue { display: none; }
.archive-scroll-ready .archive-scroll-cue { display: inline; }
.gallery-scroll-frame { position: relative; min-width: 0; background: var(--ink); padding-bottom: 1rem; }
.gallery-scroll-controls {
  position: relative; margin: 0 var(--pad) 1rem; padding: 1rem 0;
  border-top: 1px solid #d6efc050; display: flex; align-items: center;
  justify-content: space-between; gap: 1rem; color: var(--brand-green);
}
.gallery-scroll-controls[hidden] { display: none; }
.gallery-scroll-controls p { margin: 0; font: 400 .875rem/1.4 var(--font-label); letter-spacing: .04em; }
.gallery-scroll-controls > div { display: flex; gap: .5rem; }
.gallery-scroll-controls button {
  width: 44px; height: 44px; border: 1px solid currentColor; background: transparent;
  color: inherit; font: 1.4rem/1 Arial, sans-serif; cursor: pointer;
}
.gallery-scroll-controls button:hover { background: var(--brand-green); color: var(--ink); }
.gallery-scroll-controls button:disabled { opacity: .35; cursor: default; }
.gallery-scroll-progress { position: absolute; inset: auto 0 0; height: 2px; background: #d6efc026; }
.gallery-scroll-progress i { display: block; width: 100%; height: 100%; background: var(--brand-green); transform: scaleX(0); transform-origin: left; }
.gallery-track figure > a { overflow: hidden; }
.river-today > a { overflow: hidden; transform-origin: center; }
.river-today { position: relative; }
.river-today::after {
  content: ""; display: block; height: 3px; background: var(--forest);
  transform: scaleX(var(--river-rule, 1)); transform-origin: left;
}

@media (min-width: 901px) and (min-height: 760px) {
  /* The whole archive panel fits above the fold; long copy disables pinning in JS. */
  .archive-scroll-ready .history-tabs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .archive-scroll-ready .history-tabs button { min-height: 0; padding: .6rem .7rem; gap: .25rem .5rem; }
  .archive-scroll-ready .history-tabs button .era-icon { height: 36px; }
  .archive-scroll-ready .history-tabs button > span:last-of-type { font-size: 1rem; margin: 0; }
  .archive-scroll-ready .history-tabs button > small { font-size: .875rem; }
  .archive-scroll-ready .archive-controls { padding: .5rem 0; }
  .archive-scroll-ready .history-stage {
    display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 1rem; height: auto; min-height: 0; align-items: center;
    background: var(--ink); padding-bottom: 1.25rem;
  }
  .archive-scroll-ready .history-stage .history-image { margin: 0; padding: 0; }
  .archive-scroll-ready .history-stage .archive-mount { height: clamp(210px, 33vh, 390px); padding: 10px; }
  .archive-scroll-ready .history-stage .archive-mount img { width: 100%; height: 100%; max-height: 100%; object-fit: contain; }
  .archive-scroll-ready .history-stage .archive-caption { margin: .5rem 0 0; font-size: .875rem; }
  .archive-scroll-ready .history-stage .history-copy { display: block; position: static; padding: .5rem 1rem; }
  .archive-scroll-ready .history-meta { display: flex; margin-bottom: .75rem; }
  .archive-scroll-ready .history-stage .history-emblem { width: 48px; height: 48px; flex-basis: 48px; }
  .archive-scroll-ready .history-stage .history-copy > span { font-size: clamp(2.5rem, 4.5vw, 4.5rem); }
  .archive-scroll-ready .history-stage .history-copy h3 { font-size: clamp(2rem, 2.8vw, 3rem); margin: .65rem 0; }
  .archive-scroll-ready .history-stage .history-copy p { font-size: 1.0625rem; line-height: 1.5; margin-bottom: 0; }
  .gallery-scroll-ready .gallery-track { grid-auto-columns: minmax(340px, 51vw); scroll-snap-type: none; scroll-behavior: auto; }
  .gallery-scroll-ready .gallery-track figure { margin-top: 0; }
  .gallery-scroll-ready .gallery-track img { height: clamp(225px, 37vh, 450px); aspect-ratio: auto; object-fit: contain; }
  .gallery-scroll-ready .gallery-track figcaption { padding-top: .8rem; margin-top: .6rem; }
}
@media (max-width: 900px) {
  .archive-scroll-frame { margin-top: 1.5rem; }
  .gallery-scroll-controls { padding-top: .75rem; }
  .gallery-scroll-hint { display: none; }
}
@media print {
  .gallery-scroll-controls, .archive-scroll-cue { display: none !important; }
  .gallery-track { display: block; overflow: visible; }
  .gallery-track figure { break-inside: avoid; }
}