:root {
  --bg: #0e0e10;
  --surface: #18181b;
  --border: #2a2a2f;
  --text: #ececf1;
  --muted: #9a9aa5;
  --accent: #8ab4ff;
  --stale: #f0a35e;

  --radius: 12px;
  --gap: 20px;
  --gutter: 16px;
  --max-width: 1400px;

  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
}

.page-header,
#gallery,
.page-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-header { padding-top: 48px; padding-bottom: 24px; }
.page-header h1 { margin: 0 0 8px; font-size: 2rem; }
.page-header p { margin: 0; color: var(--muted); }
.page-header .legend { margin-top: 4px; font-size: 0.85rem; }
.page-header .legend .stale { color: var(--stale); }

.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}
@media (hover: hover) {
  .filter:hover { color: var(--text); border-color: var(--muted); }
}
.filter[aria-pressed="true"] { color: var(--text); border-color: var(--accent); background: var(--surface); }
.filter-count { color: var(--muted); font-size: 0.75rem; }
.filter-status { align-self: center; margin-left: 4px; color: var(--muted); font-size: 0.8rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--gap);
  padding-top: 32px;
}

/* Filtered-out cards; .card sets display, so [hidden] needs restating. */
.card[hidden] { display: none; }

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.preview {
  aspect-ratio: 16 / 10;
  /* Without this, a taller video (e.g. 4:3) stretches the box past 16:10 and the cards in a row stop lining up. */
  overflow: hidden;
  background: #000;
  display: grid;
  place-items: center;
}

.preview video,
.preview img,
.preview iframe {
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
  display: block;
}

.preview .no-preview { color: var(--muted); font-size: 0.875rem; }

/* Slideshow (cards with more than one preview). Controls sit over the video and show on hover or keyboard focus,
   and always on touch screens, where there is no hover. */
.preview { position: relative; }
.preview [hidden] { display: none; }

.slide-caption {
  position: absolute;
  top: 8px;
  left: 8px;
  max-width: calc(100% - 16px);
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.6);
  color: var(--text);
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.slide-btn.prev { left: 8px; }
.slide-btn.next { right: 8px; }
.slide-btn:hover { background: rgba(0, 0, 0, 0.8); }

.slide-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 4px;
  padding: 4px 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.6);
}

.slide-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--muted);
  opacity: 0.6;
  cursor: pointer;
}
.slide-dot[aria-current="true"] { background: var(--text); opacity: 1; }

.preview:hover .slide-btn,
.preview:focus-within .slide-btn { opacity: 1; }

@media (hover: none) {
  .slide-btn { opacity: 1; }
}

.card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.1rem; }
.card-body .card-category { margin-bottom: -4px; color: var(--muted); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }
.card-body .blurb { margin: 0; color: var(--muted); font-size: 0.925rem; }

/* Stats, install command and links stay together at the bottom of the card, so rows of cards line up. */
.card-footer { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }

.card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  color: var(--muted);
  font-size: 0.8rem;
}
.card-stats .updated.stale { color: var(--stale); }

.install {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 4px 4px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.install code {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.install .copy {
  flex: none;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}
.install .copy:hover { border-color: var(--muted); }

.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.card-meta a { color: var(--accent); text-decoration: none; }
.card-meta a:hover { text-decoration: underline; }

.empty { color: var(--muted); padding: 48px 0; }

.page-footer { padding-top: 48px; padding-bottom: 48px; color: var(--muted); font-size: 0.85rem; }

/* Sources page (sources.html): renders SOURCES.md. */
.page-header .back { margin: 0 0 12px; font-size: 0.875rem; }
.page-header .back a, .sources a, .page-footer a { color: var(--accent); text-decoration: none; }
.page-header .back a:hover, .sources a:hover, .page-footer a:hover { text-decoration: underline; }
code { font-family: var(--font-mono); font-size: 0.85em; }

.sources-search { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 20px; font-size: 0.875rem; color: var(--muted); }
.sources-search input {
  width: min(100%, 280px);
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.sources { max-width: var(--max-width); margin: 0 auto; padding: 16px var(--gutter) 0; color: var(--muted); font-size: 0.875rem; }
.sources h2 { color: var(--text); font-size: 1.1rem; margin: 32px 0 8px; }
.sources p, .sources li { max-width: 80ch; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.sources table { width: 100%; border-collapse: collapse; }
.sources th, .sources td { padding: 8px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.sources th { position: sticky; top: 0; background: var(--surface); color: var(--text); white-space: nowrap; }
.sources td:first-child { color: var(--text); white-space: nowrap; }
.sources td { overflow-wrap: anywhere; min-width: 120px; }
.sources tr[hidden] { display: none; }