/* DSH-flavoured surfaces: token names follow the harness theme (--dsw-alias-*),
   values approximate its dark palette. No images, no web fonts. */
:root {
  --bg-base: #0b0e14;
  --bg-layer-1: #121722;
  --bg-layer-2: #171d2b;
  --border-l1: #232b3d;
  --border-l2: #2e3850;
  --label-primary: #e8ecf6;
  --label-secondary: #93a0b8;
  --brand: #4d6bfe;
  --brand-soft: #7c93ff;
  --radius-lg: 14px;
  --radius-md: 10px;
  --font: "Montserrat", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0 auto;
  max-width: 1080px;
  padding: 40px 20px 64px;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--label-primary);
  background:
    radial-gradient(900px 420px at 12% -8%, #1b2748 0%, transparent 62%),
    radial-gradient(700px 380px at 88% -4%, #16233a 0%, transparent 58%),
    var(--bg-base);
  min-height: 100vh;
}
a { color: var(--brand-soft); text-decoration: none; }
a:hover { text-decoration: underline; }

header { margin-bottom: 22px; }
h1 {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 8px; font-size: 26px; font-weight: 500; letter-spacing: -0.01em;
}
h1::before {
  content: ""; width: 10px; height: 10px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 0 4px rgba(77, 107, 254, 0.18);
}
#meta { margin: 0 0 16px; color: var(--label-secondary); font-size: 12.5px; }

.bar { display: flex; gap: 8px; margin-bottom: 12px; }
#q {
  flex: 1; min-width: 0;
  padding: 10px 13px;
  font: inherit; font-size: 13px;
  color: var(--label-primary);
  background: var(--bg-layer-1);
  border: 1px solid var(--border-l1);
  border-radius: var(--radius-md);
  outline: none;
}
#q:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(77, 107, 254, 0.16); }
#q::placeholder { color: #6b7891; }
button {
  font: inherit; font-size: 12.5px;
  color: var(--label-primary);
  background: var(--bg-layer-1);
  border: 1px solid var(--border-l1);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
button:hover { border-color: var(--brand); background: var(--bg-layer-2); }

#cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip { border-radius: 999px; padding: 6px 12px; color: var(--label-secondary); font-size: 12px; }
.chip[aria-current] { color: #fff; border-color: var(--brand); background: rgba(77, 107, 254, 0.16); }

#list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.card {
  display: flex; gap: 12px;
  padding: 16px;
  background: linear-gradient(180deg, var(--bg-layer-2), var(--bg-layer-1));
  border: 1px solid var(--border-l1);
  border-radius: var(--radius-lg);
}
.card:hover { border-color: var(--border-l2); }
.card img, .card .dot {
  flex: 0 0 36px; width: 36px; height: 36px; border-radius: 9px;
  object-fit: contain; background: var(--bg-base); border: 1px solid var(--border-l1);
}
.card .dot { background: radial-gradient(circle at 50% 50%, var(--brand) 0 5px, transparent 5px), var(--bg-base); }
.body { min-width: 0; flex: 1; }
.card h2 {
  margin: 0 0 4px; font-size: 14px; font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.desc {
  margin: 0 0 8px; font-size: 12.5px; color: var(--label-secondary);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; }
.tags span {
  font-size: 11px; color: var(--label-secondary);
  background: var(--bg-base); border: 1px solid var(--border-l1);
  border-radius: 6px; padding: 1px 7px;
}
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; }
.row code {
  font-family: var(--mono); font-size: 11.5px; color: var(--brand-soft);
  background: var(--bg-base); border: 1px solid var(--border-l2);
  border-radius: 6px; padding: 3px 8px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}
.row button { padding: 3px 9px; font-size: 11.5px; }
.empty { color: var(--label-secondary); font-size: 13px; grid-column: 1 / -1; padding: 24px 0; }

footer { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--border-l1); font-size: 12px; color: var(--label-secondary); }
footer p { margin: 0 0 6px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
footer code { font-family: var(--mono); font-size: 11.5px; color: var(--brand-soft); }
footer button { padding: 3px 9px; font-size: 11.5px; }
.dim { color: #6b7891; }

@media (max-width: 520px) {
  body { padding: 26px 14px 48px; }
  h1 { font-size: 21px; }
  #list { grid-template-columns: 1fr; }
}