/* Marketplace (after kled.ai/datasets) and dataset detail pages: header, category tiles, filter sidebar,
   dataset cards, custom-collection steps, detail header, specs and licensing. */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.linkish { min-height: 44px; padding: 0; border: 0; background: none; color: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }


.mk-head { padding: 72px 0 40px; }
.mk-head__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 48px; align-items: end; }
.mk-head__copy { display: grid; gap: 18px; justify-items: start; }
.mk-head__note { color: var(--ink-3); font-size: 15px; text-align: right; }
.market__who { color: var(--ink-3); font-size: 14px; }

.mk-cats { padding: 8px 0 0; }
.tiles { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(300px, 1fr); gap: 14px; overflow-x: auto; padding: 4px 2px 16px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.tile { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 12px; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--card); text-align: left; cursor: pointer; scroll-snap-align: start; }
.tile:hover { border-color: var(--line-2); }
.tile[aria-pressed="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.tile canvas { width: 96px; height: 96px; border-radius: 10px; object-fit: cover; }
.tile__body { display: grid; align-content: start; gap: 4px; }
.tile b { font: 400 18px/1.2 var(--serif); }
.tile small { color: var(--ink-3); font-size: 13px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.mk-lib { padding-top: 72px; }
.mk-lib__top { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.mk-lib__tools { display: flex; flex-wrap: wrap; gap: 10px; }
.search input, .sort select { min-height: 44px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--card); font: 14px var(--sans); color: var(--ink); }
.search input { width: 240px; }
.sort { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-3); font-size: 14px; }
.mk-lib__grid { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 40px; align-items: start; }
.filters { position: sticky; top: calc(var(--nav-h) + 16px); }
.filters summary { display: flex; justify-content: space-between; align-items: center; min-height: 44px; font-weight: 500; cursor: pointer; list-style: none; }
.filters summary::-webkit-details-marker { display: none; }
.filters summary span { color: var(--ink-3); font-weight: 400; font-size: 13px; }
.filters fieldset { margin: 0; padding: 14px 0; border: 0; border-top: 1px solid var(--line); }
.filters legend { padding: 0; margin-bottom: 8px; color: var(--ink-3); font-size: 13px; }
.check { display: grid; grid-template-columns: 18px 1fr auto; gap: 10px; align-items: center; min-height: 44px; font-size: 14px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--ink); }
.check small { color: var(--ink-3); font-size: 12px; }
.mk-count { margin-bottom: 14px; color: var(--ink-3); font-size: 14px; }
.mk-more { margin-top: 24px; }
.mk-empty a { text-decoration: underline; }

.dcards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.dcards--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dcards--3 .dcard { grid-template-columns: minmax(0, 1fr); }
.dcards--3 .dcard__thumb { width: 100%; height: 120px; }
.dcard { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 18px; padding: 14px; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--card); color: inherit; transition: box-shadow 200ms var(--ease), transform 200ms var(--ease); }
.dcard:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.dcard__thumb { width: 112px; height: 112px; border-radius: 10px; }
.dcard__body { display: grid; align-content: start; gap: 6px; min-width: 0; }
.dcard__title { font: 400 19px/1.25 var(--serif); }
.dcard__size { color: var(--ink-3); }
.dcard__blurb { color: var(--ink-2); font-size: 14px; line-height: 1.5; }
.dcard__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.dcard__tags span { padding: 3px 9px; border-radius: 999px; background: var(--tint); color: var(--ink); font-size: 12px; }


.ds-head { padding: 56px 0 8px; }
.ds-head__inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 48px; align-items: center; }
.ds-head__copy { display: grid; gap: 18px; justify-items: start; }
.crumbs { display: flex; gap: 8px; color: var(--ink-3); font-size: 14px; }
.crumbs { align-items: center; }
.crumbs a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 3px; }
.ds-title { font: 400 var(--fs-display)/1.2 var(--serif); letter-spacing: -0.01em; }
.ds-tags { margin: 0; }
.ds-updated { background: none !important; color: var(--ink-3) !important; }
.ds-photo { margin: 0; overflow: hidden; border-radius: var(--r-frame); }
.ds-photo canvas { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.ds-body { padding-top: 64px; }
.ds-row { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: 48px; padding: 40px 0; border-top: 1px solid var(--line); }
.ds-row .muted { margin-top: 6px; font-size: 14px; }
.ds-copy { margin-top: 16px; }
.ds-text { color: var(--ink-2); font: 400 17px/1.6 var(--sans); }
.specs { margin: 0; padding: 0; list-style: none; counter-reset: s; }
.specs li { display: grid; grid-template-columns: 28px 150px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); counter-increment: s; font-size: 15px; }
.specs li::before { content: counter(s); color: var(--ink-3); font-size: 13px; }
.specs b { font-weight: 500; }
.specs--plain li { grid-template-columns: 28px 180px minmax(0, 1fr); }

@media (max-width: 1080px) {
  .dcards--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .mk-head__inner, .ds-head__inner { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .mk-head__note { text-align: left; }
  .mk-lib__grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .filters { position: static; padding: 0 16px; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--card); }
  .filters[open] { padding-bottom: 12px; }
  .dcards { grid-template-columns: minmax(0, 1fr); }
  .ds-row { grid-template-columns: minmax(0, 1fr); gap: 16px; }
}
@media (max-width: 560px) {
  .search, .search input, .mk-lib__tools { width: 100%; }
  .tiles { grid-auto-columns: 84%; }
  .dcard { grid-template-columns: 84px minmax(0, 1fr); gap: 14px; }
  .dcard__thumb { width: 84px; height: 84px; }
  .dcards--3 { grid-template-columns: minmax(0, 1fr); }
  .specs li, .specs--plain li { grid-template-columns: 24px minmax(0, 1fr); }
  .specs li span { grid-column: 2; }
}


/* Custom request band at the foot of the marketplace. */
.mk-custom { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 24px; }
.mk-custom > div { display: grid; gap: 12px; max-width: 640px; }

/* Open reference media: real frames from open datasets, always labelled. */
.dcard__thumb--ref, .xcard__media, .ds-ref { position: relative; display: block; overflow: hidden; background: var(--paper-3); }
.dcard__thumb--ref img { width: 100%; height: 100%; object-fit: cover; }
.dcard__thumb--ref em, .xcard__media em, .ds-ref em { position: absolute; left: 6px; bottom: 6px; padding: 2px 7px; border-radius: 999px; background: var(--glass); color: var(--ink); font: 500 12px/1.5 var(--sans); font-style: normal; }
.ds-ref { border-radius: var(--r-frame); }
.ds-ref video { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.ds-ref em { left: 10px; bottom: 10px; font-size: 12px; }