:root {
  --bg: #ffffff;
  --panel: #f6f8fa;
  --panel-2: #eaeef2;
  --border: #d0d7de;
  --border-strong: #afb8c1;
  --fg: #1f2328;
  --fg-dim: #59636e;
  --fg-faint: #848d97;
  --accent: #8250df;
  --accent-soft: #fbefff;
  --accent-border: #e5ccff;
  --star: #9a6700;
  --star-bg: #fff8c5;
  --star-border: #f0e69b;
  --hot: #cf222e;
  --hot-bg: #ffebe9;
  --hot-border: #ffcecb;
  --link: #0969da;
  --green: #1f883d;
  --green-bg: #dafbe1;
  --green-border: #aceebb;
  --warn: #9a6700;
  --warn-bg: #fff8c5;
  --warn-border: #f0e69b;
  --shadow-sm: 0 1px 0 rgba(31,35,40,0.04);
  --shadow-md: 0 1px 3px rgba(31,35,40,0.10);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--fg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, "SF Mono", Menlo, monospace; }

/* top bar */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 12px 24px; background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand {
  color: var(--fg); font-weight: 700; font-size: 16px; letter-spacing: 0.2px;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.search { flex: 1; max-width: 560px; }
.search input {
  width: 100%; background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 12px; font-size: 14px;
}
.search input::placeholder { color: var(--fg-faint); }
.search input:focus { outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft); }

/* page shell: sidebar + main column */
.shell {
  flex: 1; display: flex; gap: 0; align-items: stretch;
  width: 100%; max-width: 1440px; margin: 0 auto;
}
.sidenav {
  flex: 0 0 240px;
  padding: 20px 14px 24px;
  border-right: 1px solid var(--border);
  background: var(--bg);
}
.sidenav .section { margin-bottom: 22px; }
.sidenav h4 {
  margin: 0 0 8px; padding: 0 8px;
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--fg-faint); font-weight: 600;
}

/* kind picker */
.kind-list { display: flex; flex-direction: column; gap: 2px; }
.kind-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 6px;
  color: var(--fg);
  border: 1px solid transparent;
}
.kind-item:hover {
  background: var(--panel); text-decoration: none;
  border-color: var(--border);
}
.kind-item.active {
  background: var(--accent-soft); border-color: var(--accent-border);
}
.kind-item.active .label { color: var(--fg); }
.kind-item .icon {
  font-size: 22px; line-height: 1; width: 24px; text-align: center;
}
.kind-item .label { font-weight: 600; font-size: 14px; display: block; }
.kind-item .sub {
  font-size: 11px; color: var(--fg-dim);
  display: block; margin-top: 1px;
}

/* category list */
.cat-list { list-style: none; padding: 0; margin: 0;
  max-height: 46vh; overflow-y: auto; }
.cat-list.short { max-height: 30vh; }
.cat-list li { margin: 0; }
.cat-link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 5px 10px; border-radius: 4px;
  color: var(--fg-dim); font-size: 13px;
}
.cat-link:hover { background: var(--panel); color: var(--fg); text-decoration: none; }
.cat-link.active {
  background: var(--accent-soft); color: var(--fg); font-weight: 600;
}
.cat-link small { color: var(--fg-faint); font-size: 11px; font-variant-numeric: tabular-nums; }
.cat-link.active small { color: var(--fg-dim); }

/* main content column */
.main-col { flex: 1; padding: 22px 28px 32px; min-width: 0; }

/* sort tabs */
.sorts {
  display: flex; gap: 2px; margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.sort {
  padding: 9px 14px; color: var(--fg-dim);
  border-bottom: 2px solid transparent; font-size: 13px;
  white-space: nowrap;
}
.sort:hover { color: var(--fg); text-decoration: none; }
.sort.active { color: var(--fg); border-bottom-color: var(--accent); font-weight: 600; }

.searchnote { color: var(--fg-dim); margin: 0 0 14px; font-size: 13px; }
.searchnote a { color: var(--link); }

/* card grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}
.card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow-sm);
}
.card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.card > header { display: flex; flex-direction: column; gap: 2px; }
.card .title { color: var(--fg); font-weight: 600; font-size: 15px; }
.card .title:hover { color: var(--link); text-decoration: none; }
.card .token {
  color: var(--fg-faint); font-family: ui-monospace, monospace; font-size: 11px;
}
.card .desc {
  color: var(--fg-dim); margin: 0; font-size: 13px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card > footer { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }

.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 12px;
  background: var(--panel); color: var(--fg-dim); border: 1px solid var(--border);
}
.badge.gain {
  color: var(--green); background: var(--green-bg); border-color: var(--green-border);
  font-weight: 600;
}
.badge.gain small { color: var(--fg-faint); margin-left: 2px; font-weight: 400; }
.badge.stars {
  color: var(--star); background: var(--star-bg); border-color: var(--star-border);
}
.badge.hot {
  color: var(--hot); background: var(--hot-bg); border-color: var(--hot-border);
}
.badge.warn {
  color: var(--warn); background: var(--warn-bg); border-color: var(--warn-border);
}
.badge.muted { color: var(--fg-faint); }

.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.card .chips { margin: 0; }
.chip {
  font-size: 11px; padding: 2px 8px; border-radius: 12px;
  background: var(--panel); color: var(--fg-dim);
  border: 1px solid var(--border);
}
.chip:hover { color: var(--fg); text-decoration: none; border-color: var(--border-strong); }
.chip.muted { color: var(--fg-faint); cursor: default; }
.chip.muted:hover { border-color: var(--border); }

.empty { color: var(--fg-dim); text-align: center; padding: 40px 0; }
.more { text-align: center; margin-top: 20px; }
.more a {
  padding: 8px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  color: var(--fg); display: inline-block;
}
.more a:hover {
  background: var(--panel); text-decoration: none; border-color: var(--border-strong);
}

/* detail page */
.detail { max-width: 820px; }
.crumb { margin: 0 0 16px; }
.crumb a { color: var(--fg-dim); font-size: 13px; }
.detail-head { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 8px; }
.detail-thumb {
  width: 96px; height: 96px; object-fit: cover; border-radius: 12px;
  border: 1px solid var(--border); background: var(--panel);
  flex-shrink: 0;
}
.detail-head-text { flex: 1; min-width: 0; }
.one-liner { color: var(--fg); font-size: 16px; margin: 0 0 20px; line-height: 1.5; }
.why {
  background: var(--accent-soft); border: 1px solid var(--accent-border); border-radius: 8px;
  padding: 14px 18px; margin: 20px 0 28px;
}
.why h3 { margin-top: 0; color: var(--fg); }
.why p { margin: 0; color: var(--fg); }
.meta-row { display: flex; gap: 28px; flex-wrap: wrap; margin: 0 0 24px; }
.provenance { color: var(--fg-faint); font-size: 11px; margin-top: 32px; }
.detail h1 { font-size: 28px; margin: 0 0 8px; color: var(--fg); }
.token-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0 0 14px; }
.token-row code {
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 10px; font-size: 13px; color: var(--fg);
}
.token-row .version { color: var(--fg-faint); font-size: 12px; }
.desc-lg { color: var(--fg-dim); font-size: 16px; margin: 0 0 20px; }
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin: 20px 0 28px;
}
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px;
}
.stat .n { font-size: 22px; font-weight: 600; color: var(--fg); }
.stat .l { color: var(--fg-faint); font-size: 12px; margin-top: 2px; }
.detail h3 {
  font-size: 11px; text-transform: uppercase; color: var(--fg-faint); letter-spacing: 1px;
  margin: 24px 0 8px; font-weight: 600;
}
.detail .links { padding-left: 18px; margin: 0; }
.detail .links li { margin-bottom: 4px; }
.detail details { margin-top: 28px; }
.detail summary {
  color: var(--fg-faint); cursor: pointer; user-select: none;
  padding: 6px 0; font-size: 13px;
}
.detail pre {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; overflow: auto; font-size: 12px; color: var(--fg-dim);
}

body > footer {
  text-align: center; color: var(--fg-faint); font-size: 12px;
  padding: 20px 24px; border-top: 1px solid var(--border); margin-top: 40px;
  background: var(--panel);
}

/* responsive: collapse to single column on narrow screens */
@media (max-width: 720px) {
  .shell { flex-direction: column; max-width: none; }
  .sidenav {
    flex: none; width: auto;
    border-right: none; border-bottom: 1px solid var(--border);
  }
  .cat-list { max-height: 30vh; }
  .main-col { padding: 18px 16px 32px; }
  .topbar { padding: 10px 16px; gap: 12px; }
}

/* ---- gh_trending additions ---- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --panel: #161b22; --panel-2: #21262d;
    --border: #30363d; --border-strong: #484f58;
    --fg: #e6edf3; --fg-dim: #9198a1; --fg-faint: #6e7681;
    --accent: #a371f7; --accent-soft: #2a1f3d; --accent-border: #4c2f7a;
    --link: #4493f8;
    --green: #3fb950; --green-bg: #12261e; --green-border: #1f4a2c;
    --warn: #d29922; --warn-bg: #272115; --warn-border: #4d3d12;
    --star: #e3b341; --star-bg: #272115; --star-border: #4d3d12;
    --hot: #ff7b72; --hot-bg: #2d1517; --hot-border: #5a1e22;
    --shadow-sm: none; --shadow-md: 0 1px 3px rgba(0,0,0,0.5);
  }
}

.dice {
  white-space: nowrap; font-size: 13px; color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px 12px;
  background: var(--panel);
}
.dice:hover { text-decoration: none; border-color: var(--border-strong); }

.card .title { display: flex; align-items: center; gap: 8px; }
.card .owner, .detail h1 .owner { color: var(--fg-dim); font-weight: 400; }
.avatar { width: 20px; height: 20px; border-radius: 4px; flex-shrink: 0; background: var(--panel); }

.toggle {
  display: flex; align-items: center; gap: 10px; padding: 6px 10px;
  color: var(--fg-dim); font-size: 13px; border-radius: 6px;
}
.toggle:hover { background: var(--panel); text-decoration: none; color: var(--fg); }
.toggle .switch {
  width: 28px; height: 16px; border-radius: 8px; background: var(--border-strong);
  position: relative; flex-shrink: 0; transition: background 0.15s;
}
.toggle .switch::after {
  content: ''; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--bg); transition: left 0.15s;
}
.toggle.on { color: var(--fg); font-weight: 600; }
.toggle.on .switch { background: var(--accent); }
.toggle.on .switch::after { left: 14px; }

.toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .searchnote { margin: 0; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg a { padding: 4px 12px; font-size: 12px; color: var(--fg-dim); border-right: 1px solid var(--border); }
.seg a:last-child { border-right: none; }
.seg a:hover { background: var(--panel); text-decoration: none; color: var(--fg); }
.seg a.active { background: var(--accent-soft); color: var(--fg); font-weight: 600; }

.lang-dot {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  margin-right: 5px; vertical-align: 0; background: var(--fg-faint);
}
.lang-dot[data-lang="Python"] { background: #3572A5; }
.lang-dot[data-lang="JavaScript"] { background: #f1e05a; }
.lang-dot[data-lang="TypeScript"] { background: #3178c6; }
.lang-dot[data-lang="Go"] { background: #00ADD8; }
.lang-dot[data-lang="Rust"] { background: #dea584; }
.lang-dot[data-lang="Java"] { background: #b07219; }
.lang-dot[data-lang="Kotlin"] { background: #A97BFF; }
.lang-dot[data-lang="Swift"] { background: #F05138; }
.lang-dot[data-lang="C"] { background: #555555; }
.lang-dot[data-lang="C++"] { background: #f34b7d; }
.lang-dot[data-lang="C#"] { background: #178600; }
.lang-dot[data-lang="PHP"] { background: #4F5D95; }
.lang-dot[data-lang="Ruby"] { background: #701516; }
.lang-dot[data-lang="Dart"] { background: #00B4AB; }
.lang-dot[data-lang="Shell"] { background: #89e051; }
.lang-dot[data-lang="Lua"] { background: #000080; }
.lang-dot[data-lang="Zig"] { background: #ec915c; }
.lang-dot[data-lang="HTML"] { background: #e34c26; }
.lang-dot[data-lang="CSS"] { background: #663399; }
.lang-dot[data-lang="Vue"] { background: #41b883; }
.lang-dot[data-lang="Svelte"] { background: #ff3e00; }
.lang-dot[data-lang="Jupyter Notebook"] { background: #DA5B0B; }
.lang-dot[data-lang="Haskell"] { background: #5e5086; }
.lang-dot[data-lang="Elixir"] { background: #6e4a7e; }
.lang-dot[data-lang="Nix"] { background: #7e7eff; }
.lang-dot[data-lang="Scala"] { background: #c22d40; }
.lang-dot[data-lang="Julia"] { background: #a270ba; }
.lang-dot[data-lang="Objective-C"] { background: #438eff; }

.explore-head h1 { font-size: 22px; margin: 0 0 4px; }
.explore-head p { color: var(--fg-dim); margin: 0 0 20px; }
.cat-section { margin-bottom: 28px; }
.cat-section h2 {
  font-size: 15px; margin: 0 0 10px; display: flex; align-items: baseline; gap: 10px;
}
.cat-section h2 a { color: var(--fg); }
.cat-section .see-all { font-size: 12px; font-weight: 400; color: var(--link); }

.stat .n.gain { color: var(--green); }
.spark { margin: 0 0 24px; }
.spark svg {
  width: 100%; height: 120px; display: block;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
}
.spark-line { fill: none; stroke: var(--accent); stroke-width: 2; }
.spark-area { fill: var(--accent-soft); }
.spark figcaption {
  display: flex; justify-content: space-between; color: var(--fg-faint);
  font-size: 11px; margin-top: 4px; font-variant-numeric: tabular-nums;
}
.note { color: var(--fg-faint); font-size: 12px; }
.facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px 18px;
  margin: 8px 0 8px;
}
.facts div { display: flex; flex-direction: column; }
.facts span { color: var(--fg-faint); font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; }
.facts b { font-weight: 500; }
.sightings { margin: 0; padding-left: 18px; color: var(--fg-dim); font-size: 13px; }
.detail pre.readme { white-space: pre-wrap; word-break: break-word; }

details.collapsible > summary { list-style: none; cursor: pointer; }
details.collapsible > summary::-webkit-details-marker { display: none; }
details.collapsible > summary h4 { display: inline-block; }
details.collapsible > summary h4::after { content: ' ▾'; }
details.collapsible:not([open]) > summary h4::after { content: ' ▸'; }

@media (max-width: 720px) {
  .sidenav { padding: 12px 12px 4px; }
  .sidenav .section { margin-bottom: 10px; }
  .kind-list { flex-direction: row; overflow-x: auto; gap: 6px; padding-bottom: 4px; }
  .kind-item { flex: 0 0 auto; padding: 6px 10px; gap: 6px; border-color: var(--border); }
  .kind-item .icon { font-size: 16px; width: auto; }
  .kind-item .sub { display: none; }
  .kind-item .label { font-size: 13px; white-space: nowrap; }
  .topbar { flex-wrap: wrap; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .grid { grid-template-columns: 1fr; }
}