/* Natural-proportion Art masonry.
   Columns are fixed once per view instead of browser-balanced while images load,
   so artworks never jump between columns during scrolling. */

.art-page:has(#art-grid[data-art-view='gallery']:not([hidden])) #art-sort {
  display: none;
}

/* Safe pre-script fallback: a normal natural-image grid for the brief moment
   before the fixed masonry columns are assigned. */
.art-grid[data-art-view='gallery']:not(.art-masonry-ready) {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  columns: initial !important;
  column-gap: 0 !important;
  align-items: start;
}

.art-grid[data-art-view='gallery'].art-masonry-ready {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  columns: initial !important;
  column-gap: 0 !important;
}

.art-masonry-column {
  display: flex;
  min-width: 0;
  flex: 1 1 0;
  flex-direction: column;
  gap: 16px;
}

.art-grid[data-art-view='gallery'] .art-card {
  display: block !important;
  width: 100%;
  min-width: 0;
  margin: 0 !important;
  break-inside: auto;
  content-visibility: auto;
  contain-intrinsic-size: 340px 430px;
}

.art-grid[data-art-view='gallery'] .art-card-figure {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: var(--art-placeholder-ratio, 4 / 5);
  background: rgba(246, 247, 250, 0.96);
}

.art-grid[data-art-view='gallery'] .art-card-figure.art-image-ready {
  aspect-ratio: var(--art-natural-ratio, var(--art-placeholder-ratio, 4 / 5));
}

.art-grid[data-art-view='gallery'] .art-cover {
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  object-position: center;
  opacity: 0;
  transition: opacity 140ms ease, transform .22s ease;
}

.art-grid[data-art-view='gallery'] .art-card-figure.art-image-ready .art-cover {
  opacity: 1;
}

.art-grid[data-art-view='gallery'] .art-card:hover .art-cover,
.art-grid[data-art-view='gallery'] .art-card:focus-visible .art-cover {
  transform: scale(1.012);
}

/* A failed or known-placeholder cover becomes a deliberate catalog card rather
   than a giant broken-image icon or raw alt text. These cards are ranked after
   image-ready works on the next Gallery build but remain accessible in List. */
.art-grid[data-art-view='gallery'] .art-card-figure.art-image-missing {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: 14px;
  background:
    radial-gradient(circle at 22% 18%, rgba(64, 92, 245, .12), transparent 34%),
    linear-gradient(145deg, rgba(248, 249, 253, .98), rgba(235, 238, 246, .98));
}

.art-grid[data-art-view='gallery'] .art-card-figure.art-image-missing::before {
  content: 'Artwork image pending';
  margin: auto;
  color: #7b8495;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-align: center;
  text-transform: uppercase;
}

.art-grid[data-art-view='gallery'] .art-card-figure.art-image-missing .art-cover {
  display: none;
}

.art-grid[data-art-view='gallery'] .art-card-figure.art-image-missing .art-gallery-caption {
  position: static;
  inset: auto;
  padding: 10px 0 0;
  transform: none;
  background: transparent;
  color: #273044;
  opacity: 1;
}

.art-grid[data-art-view='gallery'] .art-card-figure.art-image-missing .art-gallery-caption strong {
  font-size: .82rem;
}

.art-grid[data-art-view='gallery'] .art-card-figure.art-image-missing .art-gallery-caption span {
  color: #70798a;
}

.art-progressive-render {
  display: grid;
  justify-items: center;
  gap: .55rem;
  margin: 1.25rem auto 2.5rem;
  padding: .9rem 1rem;
  max-width: 520px;
}

.art-progressive-render[hidden] {
  display: none;
}

.art-progressive-status {
  margin: 0;
  color: #687386;
  font-size: .78rem;
  text-align: center;
}

.art-progressive-more {
  appearance: none;
  border: 1px solid rgba(53, 72, 112, .2);
  border-radius: 999px;
  padding: .58rem .95rem;
  background: rgba(255, 255, 255, .9);
  color: #273044;
  font: inherit;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 5px 18px rgba(22, 32, 56, .07);
}

.art-progressive-more:hover,
.art-progressive-more:focus-visible {
  border-color: rgba(53, 72, 112, .42);
  outline: none;
  box-shadow: 0 7px 22px rgba(22, 32, 56, .11);
}

/* Column wrappers do not interfere with the existing sortable List layout. */
.art-grid[data-art-view='list'] > .art-masonry-column {
  display: contents;
}

@media (max-width: 1539px) {
  .art-grid[data-art-view='gallery']:not(.art-masonry-ready) {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 1259px) {
  .art-grid[data-art-view='gallery']:not(.art-masonry-ready) {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 979px) {
  .art-grid[data-art-view='gallery']:not(.art-masonry-ready) {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .art-page:has(#art-grid[data-art-view='gallery']:not([hidden])) .art-toolbar {
    grid-template-columns: minmax(0, 1fr) 42px;
  }

  .art-page:has(#art-grid[data-art-view='gallery']:not([hidden])) #art-filters-toggle {
    grid-column: 1;
  }

  .art-page:has(#art-grid[data-art-view='gallery']:not([hidden])) #art-info-toggle {
    grid-column: 2;
  }

  .art-grid[data-art-view='gallery'].art-masonry-ready,
  .art-masonry-column {
    gap: 10px;
  }

  .art-grid[data-art-view='gallery'] .art-card {
    contain-intrinsic-size: 240px 330px;
  }
}

@media (max-width: 659px) {
  .art-grid[data-art-view='gallery']:not(.art-masonry-ready) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .art-grid[data-art-view='gallery'] .art-cover {
    transition: none;
  }
}