/* LITHOGRAPHY ARCHIVE: stone grid, detail view and installation viewer. */
.stone-section {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  column-gap: var(--space-m);
  margin-top: var(--space-xl);
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.stone-section > h2 { grid-column: 2; margin: 0 0 1.75rem; font-size: 0.875rem; font-weight: 400; }
.stone-section > .stone-body { grid-column: 1 / -1; }

.stone-grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); }
.stone-grid-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 2; }
.stone-cell { margin: 0; }
.stone-stage {
  position: relative; aspect-ratio: 1 / 1; background: var(--surface); cursor: grab; touch-action: pan-y;
  outline-offset: 3px;
}
.stone-stage.is-ready { touch-action: none; }
.stone-stage.is-dragging { cursor: grabbing; }
.stone-stage:focus-visible { outline: 1px solid var(--ink); }
.stone-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transition: opacity 400ms ease; pointer-events: none; user-select: none; -webkit-user-drag: none; }
.stone-stage { user-select: none; }
.stone-stage.is-ready .stone-poster { opacity: 0; }
.no-webgl .stone-stage.is-ready .stone-poster { opacity: 1; }
.stone-cell figcaption { display: flex; justify-content: space-between; gap: 1rem; margin-top: 0.6rem; font-size: 0.8125rem; }
.stone-caption-copy { display: grid; gap: 0.35rem; min-width: 0; }
.stone-meta { color: var(--muted); font-size: 0.75rem; line-height: 1.5; }
.stone-number { flex: 0 0 auto; color: var(--muted); text-align: right; }
.stone-controls { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.25rem; font-size: 0.75rem; color: var(--muted); }
.stone-controls button {
  font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer;
  text-decoration: underline dotted #9a9a94 1px; text-underline-offset: 0.3em;
}
.stone-controls button:hover { color: var(--ink); }

/* detail dialog */
.stone-dialog { width: min(100vw - 2rem, 110rem); max-width: none; height: calc(100dvh - 2rem); max-height: none; padding: 0; overflow: hidden; border: 0; background: var(--background); color: var(--ink); }
.stone-dialog::backdrop { background: rgba(251, 251, 248, 0.92); }
.stone-dialog-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, 22rem); gap: var(--space-m); height: 100%; box-sizing: border-box; padding: clamp(1rem, 2.5vw, 2rem); }
.stone-dialog-inner > div:last-child { min-height: 0; overflow-y: auto; padding-top: 2.5rem; }
.stone-dialog canvas { width: 100%; height: 100%; background: var(--surface); cursor: grab; touch-action: none; display: block; }
.stone-dialog.is-loading canvas { background: var(--surface) linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent) 0 0 / 40% 100% no-repeat; animation: stone-shimmer 1.2s linear infinite; }
@keyframes stone-shimmer { from { background-position: -40% 0; } to { background-position: 140% 0; } }
.stone-dialog h2 { margin: 0 0 1rem; font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 400; letter-spacing: -0.06em; line-height: 1; }
.stone-dialog dl { margin: 0; display: grid; gap: 0.75rem; font-size: 0.8125rem; }
.stone-dialog dl div { display: grid; grid-template-columns: 5.25rem minmax(0, 1fr); gap: 0.75rem; }
.stone-dialog dt { color: var(--muted); }
.stone-dialog dd { margin: 0; }
.stone-dialog .stone-hint { margin-top: 1.5rem; font-size: 0.75rem; color: var(--muted); }
.stone-dialog-close {
  position: absolute; top: 0.75rem; right: 0.75rem; font: inherit; font-size: 0.8125rem; background: var(--background); color: var(--ink);
  border: 0; padding: 0.4rem 0.6rem; cursor: pointer; text-decoration: underline; text-underline-offset: 0.2em; z-index: 3;
}

/* installation */
.installation-stage { position: relative; aspect-ratio: 16 / 9; background: var(--surface); }
.installation-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.installation-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
.installation-stage button {
  position: absolute; left: 50%; bottom: 1.25rem; transform: translateX(-50%); font: inherit; font-size: 0.8125rem;
  background: var(--background); color: var(--ink); border: 1px solid var(--line); padding: 0.6rem 0.9rem; cursor: pointer; white-space: nowrap;
}
.is-ready .installation-stage img { opacity: 0; transition: opacity 400ms ease; }
.installation-caption { display: flex; justify-content: space-between; gap: 1rem; margin-top: 0.6rem; font-size: 0.75rem; color: var(--muted); }

@media (max-width: 47.99rem) {
  .stone-section { grid-template-columns: 2.25rem minmax(0, 1fr); column-gap: 0.75rem; }
  .stone-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .installation-stage { aspect-ratio: 4 / 3; }
  .installation-caption { flex-direction: column; gap: 0.25rem; }
}
@media (prefers-reduced-motion: reduce) { .stone-dialog.is-loading canvas { animation: none; } }

/* v33: artworks lead; supporting photographs follow the gallery. */
.page-lithography-archive [hidden] { display: none !important; }
.page-lithography-archive .project-intro + .stone-section { margin-top: clamp(2.5rem, 5vw, 5rem); }
.stone-caption-copy, .stone-title { overflow-wrap: anywhere; }
.stone-detail-stage { position: relative; height: 100%; min-height: 0; background: var(--surface); }
.stone-detail-stage > img, .stone-detail-stage > canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.stone-detail-stage > canvas { visibility: hidden; }
.stone-detail-stage.is-ready > canvas { visibility: visible; }
.stone-detail-stage.is-ready > img { visibility: hidden; }
.stone-status { margin-top: 0.75rem; color: var(--muted); font-size: 0.75rem; line-height: 1.5; }
.stone-status:empty { display: none; }
.stone-detail-controls { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }
.stone-detail-controls button { background: transparent; color: var(--ink); border: 1px solid var(--line); padding: 0.55rem 0.7rem; font: inherit; font-size: 0.75rem; cursor: pointer; }
.stone-detail-stage canvas:focus-visible, .installation-stage canvas:focus-visible { outline: 1px solid var(--ink); outline-offset: -3px; }
.installation-stage canvas { visibility: hidden; }
.is-ready .installation-stage canvas { visibility: visible; }
.stone-controls button { min-height: 2rem; }
@media (max-width: 47.99rem) {
  .stone-dialog { width: 100vw; height: 100dvh; margin: 0; overflow-y: auto; }
  .stone-dialog-inner { display: block; height: auto; padding: 3rem 1rem 1.5rem; }
  .stone-detail-stage { height: 65dvh; }
  .stone-dialog-inner > div:last-child { overflow: visible; padding-top: 1.25rem; }
  .stone-lens { width: 9rem; height: 9rem; }
  .stone-controls { align-items: center; }
}

/* A supporting process image, kept smaller than the artwork gallery. */
.page-lithography-archive .gallery-item--graining { grid-column: 4 / 10; width: 100%; max-width: 42rem; justify-self: center; }
@media (max-width: 47.99rem) {
  .page-lithography-archive .gallery-item--graining { grid-column: 1 / -1; width: 80%; max-width: 27rem; }
}

/* v38: magnifier (second WebGL pass drawn into the same canvas; this box only frames it). */
.stone-lens-toggle {
  position: absolute; top: 0.5rem; right: 0.5rem; z-index: 2; display: grid; place-items: center; width: 2.5rem; height: 2.5rem; padding: 0;
  color: var(--ink); background: var(--background); border: 1px solid var(--line); border-radius: 0; cursor: pointer;
}
.stone-lens-toggle[aria-pressed="true"] { border-color: var(--ink); }
.stone-lens-toggle:focus-visible { outline: 1px solid var(--ink); outline-offset: 2px; }
.stone-lens-toggle svg { width: 1.25rem; height: 1.25rem; display: block; }
.stone-lens { position: absolute; z-index: 1; left: 0; top: 0; width: 14rem; height: 14rem; box-sizing: border-box; border: 1px solid var(--ink); pointer-events: none; }
.stone-lens[hidden] { display: none; }
.stone-lens-toggle[hidden] { display: none; }
@media (max-width: 47.99rem) { .stone-lens { width: 9rem; height: 9rem; } }