/* Shared by exhibitions.html + collection.html */

.filter-tabs-wrap {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0;
}

.filter-tabs {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 24px;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  padding-bottom: 12px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.filter-tab .mono {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 4px;
}
.filter-tab.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-terracotta);
}
.filter-tab:hover {
  color: var(--color-text);
}

.listing-section {
  padding: 72px 0 120px;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.exhibit-panel.is-entering {
  animation: panelFadeIn 480ms var(--ease-out) both;
}
@media (prefers-reduced-motion: reduce) {
  .exhibit-panel.is-entering {
    animation: none;
  }
}

/* ---- Exhibition rows ---- */

.exhibit-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}
.exhibit-row:first-child {
  padding-top: 0;
}

.exhibit-figure {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.exhibit-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.exhibit-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  margin-bottom: 18px;
}
.exhibit-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-terracotta);
  flex-shrink: 0;
}
.exhibit-status[data-status="closed"]::before {
  background: var(--color-text-disabled);
}

.exhibit-dates {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.exhibit-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 20px;
}

.exhibit-copy p {
  color: var(--color-text-secondary);
  max-width: 52ch;
  margin-bottom: 24px;
}

.exhibit-venue {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

/* ---- Collection filter grid ---- */

.collection-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px 28px;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.artifact-card {
  display: none;
  flex-direction: column;
  gap: 14px;
}
.artifact-card.is-visible {
  display: flex;
  animation: cardFadeIn 440ms var(--ease-out) both;
}

.artifact-figure {
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
}

.artifact-photo {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.artifact-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(0.6) contrast(1.28) brightness(0.76);
  transition: transform 0.65s var(--ease-out), filter 2.4s var(--ease-out);
}
.artifact-photo.is-revealed img {
  filter: grayscale(0.12) contrast(1.06) brightness(0.94);
}
.artifact-card:hover .artifact-photo img {
  transform: scale(1.02);
}
.artifact-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(22, 22, 24, 0) 48%, rgba(22, 22, 24, 0.72) 100%);
}

@media (prefers-reduced-motion: reduce) {
  .artifact-card.is-visible {
    animation: none;
  }
  .artifact-photo img {
    transition: none;
    filter: grayscale(0.12) contrast(1.06) brightness(0.94);
  }
}

.artifact-title {
  font-size: 0.95rem;
}
.artifact-era {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.collection-empty {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 40px 0;
  display: none;
}
.collection-empty.is-visible {
  display: block;
}

@media (max-width: 980px) {
  .exhibit-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .collection-grid {
    grid-template-columns: 1fr;
  }
  .filter-tabs {
    gap: 24px;
  }
}