.portfolio-intro,
.category-view,
.gallery-view {
  padding-inline: var(--gutter);
}

.portfolio-intro {
  padding-block: clamp(32px, 4vw, 48px);
  border-bottom: 1px solid var(--concrete);
}

.portfolio-intro h1 {
  max-width: 20ch;
  font-size: clamp(2rem, 3vw, 2.5rem);
}

.category-view,
.gallery-view {
  padding-block: clamp(24px, 3vw, 40px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  align-items: end;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.section-heading .eyebrow { margin: 0; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--concrete);
  border: 1px solid var(--concrete);
}

.category-card {
  position: relative;
  min-width: 0;
  background: var(--paper);
}

.category-card-button {
  width: 100%;
  padding: 0;
  display: grid;
  grid-template-rows: auto auto;
  color: var(--ink);
  background: var(--paper);
  border: 0;
  border-radius: 0;
  text-align: left;
}

.category-card-button:disabled { cursor: wait; }
.category-card[data-state="empty"] .category-card-button { cursor: default; }

.category-media,
.group-media {
  position: relative;
  min-width: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: color-mix(in srgb, var(--concrete) 24%, var(--paper));
}

.category-media { aspect-ratio: 1; }
.group-media { aspect-ratio: 4 / 3; }

.category-media img,
.group-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.category-card-button:not(:disabled):hover .category-media img,
.category-card-button:not(:disabled):focus-visible .category-media img,
.group-tile:hover .group-media img,
.group-tile:focus-visible .group-media img {
  transform: scale(1.015);
}

.tile-loading,
.tile-error,
.tile-empty,
.image-failure {
  padding: var(--space-3);
  font: .75rem var(--font-mono);
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

.tile-loading::before {
  content: "";
  display: block;
  width: 32px;
  height: 32px;
  margin: 0 auto var(--space-2);
  border: 1px solid var(--concrete);
  border-top-color: var(--blueprint);
  animation: gallery-spin 900ms linear infinite;
}

.category-copy,
.group-copy {
  min-height: 88px;
  padding: var(--space-2);
  display: grid;
  gap: var(--space-1);
  align-content: center;
  border-top: 1px solid var(--concrete);
}

.category-name,
.group-name {
  font: 500 clamp(1.2rem, 1.6vw, 1.6rem) var(--font-display);
}

.category-meta,
.group-count,
.gallery-status,
.preview-counter,
#preview-caption {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
}

.category-meta,
.group-count { color: var(--blueprint); text-transform: uppercase; }

.tile-retry {
  position: relative;
  margin: 0 var(--space-2) var(--space-2);
  min-height: 44px;
  padding: 8px 12px;
  color: var(--paper);
  background: var(--blueprint);
  border: 1px solid var(--blueprint);
  border-radius: 0;
  font: .7rem var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.gallery-toolbar {
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--concrete);
}

.text-control,
.category-link {
  min-height: 44px;
  padding: 8px 0;
  color: var(--blueprint);
  background: transparent;
  border: 0;
  border-radius: 0;
  font: .75rem var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.text-control:hover,
.category-link:hover,
.category-link.is-active {
  color: var(--blueprint-dark);
  text-decoration: underline;
  text-underline-offset: .35em;
}

.category-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-3);
}

.gallery-heading {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr) minmax(180px, .5fr);
}

.gallery-status { justify-self: end; color: var(--blueprint); }

.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--concrete);
  border: 1px solid var(--concrete);
}

.group-tile {
  min-width: 0;
  padding: 0;
  display: grid;
  grid-template-rows: auto auto;
  color: var(--ink);
  background: var(--paper);
  border: 0;
  border-radius: 0;
  text-align: left;
}

.gallery-retry { margin: var(--space-4); }

.gallery-message {
  padding: var(--space-4);
  border: 1px solid var(--concrete);
}

.gallery-message ul { margin-bottom: 0; }
.dialog-open { overflow: hidden; }

.preview-modal {
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  color: var(--paper);
  background: var(--ink);
  border: 0;
}

.preview-modal::backdrop { background: var(--ink); background: color-mix(in srgb, var(--ink) 88%, transparent); }
.preview-modal :focus-visible { outline-color: var(--paper); outline-offset: -4px; }

.preview-shell {
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) 104px;
}

.preview-header {
  min-height: 64px;
  padding: 10px var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--concrete);
}

.preview-control {
  min-width: 48px;
  min-height: 48px;
  padding: 10px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--concrete);
  border-radius: 0;
  font: .75rem var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.preview-control:hover { color: var(--ink); background: var(--paper); }

.preview-stage {
  min-height: 0;
  padding: var(--space-2) var(--space-3);
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 72px;
  align-items: center;
  gap: var(--space-2);
}

.preview-figure {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 10px;
}

.preview-media {
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.preview-media img { width: 100%; height: 100%; object-fit: contain; }

#preview-error {
  font: .75rem var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

#preview-caption {
  min-height: 1.4em;
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-thumbnails {
  min-width: 0;
  padding: 12px var(--space-3);
  display: flex;
  gap: 10px;
  overflow-x: auto;
  border-top: 1px solid var(--concrete);
  scrollbar-color: var(--concrete) transparent;
}

.preview-thumbnail {
  width: 108px;
  min-width: 108px;
  height: 78px;
  padding: 0;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid transparent;
  border-radius: 0;
}

.preview-thumbnail img { width: 100%; height: 100%; object-fit: cover; opacity: .62; }
.preview-thumbnail:hover,
.preview-thumbnail.is-active { border-color: var(--paper); }
.preview-thumbnail:hover img,
.preview-thumbnail.is-active img { opacity: 1; }

@keyframes gallery-spin { to { transform: rotate(360deg); } }

@media (max-width: 980px) {
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gallery-heading { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
  .gallery-status { grid-column: 2; justify-self: start; }
  .asset-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .section-heading,
  .gallery-heading { grid-template-columns: 1fr; gap: var(--space-2); }
  .gallery-status { grid-column: auto; }
  .category-grid, .asset-grid { grid-template-columns: 1fr; }
  .gallery-toolbar { align-items: flex-start; flex-direction: column; margin-bottom: var(--space-5); }
  .category-links { justify-content: flex-start; gap: var(--space-2) var(--space-3); }
  .preview-shell { grid-template-rows: auto minmax(0, 1fr) 84px; }
  .preview-stage { position: relative; grid-template-columns: minmax(0, 1fr); padding: var(--space-2); }
  .preview-figure { grid-column: 1; }
  .preview-prev,
  .preview-next { position: absolute; top: 50%; z-index: 1; background: var(--ink); background: color-mix(in srgb, var(--ink) 78%, transparent); transform: translateY(-50%); }
  .preview-prev { left: var(--space-2); }
  .preview-next { right: var(--space-2); }
  .preview-thumbnail { width: 82px; min-width: 82px; height: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  .tile-loading::before { animation: none; }
  .category-media img,
  .group-media img { transition: none; }
  html { scroll-behavior: auto; }
}