:root {
  --bg: #07090c;
  --bg-elev: #10141a;
  --bg-elev-2: #161b23;
  --bg-elev-3: #1d2330;
  --fg: #e7ebf3;
  --muted: #8893a8;
  --muted-2: #5c6577;
  --accent: #00d6a7;
  --accent-dim: #00a986;
  --accent-soft: rgba(0,214,167,0.10);
  --warn: #ffcc4d;
  --danger: #ff5470;
  --border: #232a37;
  --border-soft: #1a2029;
  --code-font: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ui-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(ellipse at top, #0d1219 0%, var(--bg) 60%) fixed;
  color: var(--fg);
  font-family: var(--ui-font);
  font-size: 14.5px;
  line-height: 1.55;
  min-height: 100vh;
}

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

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 26px;
  border-bottom: 1px solid var(--border);
  background: rgba(7,9,12,0.72);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { color: var(--accent); font-size: 22px; font-weight: 800; }
.brand-name { font-weight: 700; letter-spacing: 0.5px; font-family: var(--code-font); }
.brand-divider { color: var(--muted-2); }
.tagline { color: var(--muted); font-size: 13px; }

.header-stats { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.stat-pill {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 12.5px;
  padding: 5px 10px;
  border-radius: 999px;
  font-family: var(--code-font);
}

.btn {
  background: var(--bg-elev-2); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 13px; font-family: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.12s ease;
}
.btn:hover { border-color: var(--accent-dim); }
.btn.small { padding: 5px 10px; font-size: 12.5px; }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--accent); color: #002418; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); }

.hero {
  max-width: 1200px; margin: 24px auto 8px; padding: 0 26px;
}
.hero h1 {
  font-size: 28px; line-height: 1.18; margin: 0 0 10px;
  font-weight: 700; letter-spacing: -0.01em;
}
.hero .lede { color: var(--muted); max-width: 760px; margin: 0; }
.hero strong { color: var(--fg); }

.filters {
  max-width: 1200px; margin: 18px auto 8px; padding: 0 26px;
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
}
.filters .checkbox, .filters .select {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--muted);
  background: var(--bg-elev); border: 1px solid var(--border);
  padding: 6px 11px; border-radius: 8px;
}
.filters .checkbox input { accent-color: var(--accent); }
.filters select {
  background: transparent; border: none; color: var(--fg);
  font-family: inherit; font-size: 13px; outline: none;
  cursor: pointer; padding-right: 4px;
}
.filters select option { background: var(--bg-elev); color: var(--fg); }
.filters .search {
  background: var(--bg-elev); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 12px; font-family: inherit; font-size: 13px; outline: none;
  min-width: 220px; flex: 1; max-width: 320px;
}
.filters .search:focus { border-color: var(--accent-dim); box-shadow: 0 0 0 2px rgba(0,214,167,0.18); }
.filters .model-count {
  margin-left: auto; color: var(--muted); font-family: var(--code-font); font-size: 12px;
}

.board {
  max-width: 1200px; margin: 8px auto 24px; padding: 0 26px;
}
.leaderboard {
  width: 100%; border-collapse: collapse;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden;
}
.leaderboard thead th {
  text-align: left; font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-2);
  position: sticky; top: 58px; z-index: 5;
}
.leaderboard thead th.num { text-align: right; }
.leaderboard thead th.rank { width: 48px; text-align: center; }
.leaderboard thead th.sort { cursor: pointer; user-select: none; }
.leaderboard thead th.sort:hover { color: var(--accent); }
.leaderboard thead th.sort.active { color: var(--accent); }
.leaderboard thead th.sort.active::after {
  content: ''; margin-left: 6px; font-size: 10px; color: var(--accent);
}
.leaderboard thead th.sort.active.desc::after { content: '▼'; }
.leaderboard thead th.sort.active.asc::after { content: '▲'; }

.leaderboard tbody tr {
  border-bottom: 1px solid var(--border-soft);
  transition: background 0.1s ease;
  cursor: pointer;
}
.leaderboard tbody tr:last-child { border-bottom: none; }
.leaderboard tbody tr:hover { background: var(--bg-elev-2); }
.leaderboard tbody tr.active { background: var(--accent-soft); }
.leaderboard tbody td {
  padding: 12px; font-size: 13.5px; vertical-align: middle;
}
.leaderboard td.num { text-align: right; font-family: var(--code-font); font-size: 13px; }
.leaderboard td.rank { text-align: center; color: var(--muted); font-family: var(--code-font); }
.leaderboard td.rank.top { color: var(--accent); font-weight: 700; }

.model-cell .name { font-weight: 600; font-size: 14px; }
.model-cell .author { color: var(--muted); font-size: 12px; font-family: var(--code-font); }
.model-cell .stale { display: inline-block; background: rgba(255,204,77,0.16); color: var(--warn);
  font-size: 10.5px; padding: 1px 6px; margin-left: 6px; border-radius: 3px; }

.score-cell .bar {
  display: inline-block; height: 4px; margin-top: 4px; border-radius: 2px;
  background: var(--accent); width: 0; max-width: 80px;
}
.score-cell.no-bfcl { color: var(--muted-2); }
.score-cell .src {
  display: block; font-size: 10.5px; color: var(--muted); font-family: var(--code-font);
}
.score-cell .src.card { color: var(--warn); }

.ondevice-cell .yes { color: var(--accent); }
.ondevice-cell .no { color: var(--muted-2); }
.license-cell .chip {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11.5px; background: var(--bg-elev-3); color: var(--fg);
}
.license-cell .chip.apache, .license-cell .chip.mit { background: rgba(0,214,167,0.14); color: var(--accent); }
.license-cell .chip.noncomm { background: rgba(255,84,112,0.14); color: var(--danger); }

.placeholder td { color: var(--muted); text-align: center; padding: 24px; }

/* Drawer */
.drawer {
  position: fixed; top: 0; right: 0; height: 100vh; width: min(520px, 100vw);
  background: var(--bg-elev); border-left: 1px solid var(--border);
  transform: translateX(100%); transition: transform 0.18s ease;
  z-index: 30; overflow-y: auto;
  box-shadow: -20px 0 40px -20px rgba(0,0,0,0.6);
}
.drawer.open { transform: translateX(0); }
.drawer-inner { padding: 22px 22px 80px; }
.drawer h2 {
  font-size: 20px; margin: 0 0 6px; font-weight: 700;
}
.drawer .repo-id { font-family: var(--code-font); color: var(--muted); font-size: 12.5px; word-break: break-all; }
.drawer .stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  margin: 18px 0;
}
.drawer .stat {
  background: var(--bg-elev-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px;
}
.drawer .stat .label { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.05em; }
.drawer .stat .value { font-family: var(--code-font); font-size: 18px; font-weight: 700; margin-top: 4px; color: var(--fg); }
.drawer .stat .sub { color: var(--muted); font-size: 11.5px; margin-top: 2px; }

.drawer .provenance {
  background: var(--bg-elev-2); border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0; padding: 10px 12px; margin: 16px 0;
  font-size: 12.5px; color: var(--muted); font-family: var(--code-font);
}
.drawer .provenance.warn { border-left-color: var(--warn); }

.drawer .section { margin: 18px 0; }
.drawer .section h3 {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--muted); margin: 0 0 8px;
}
.drawer .readme {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 12px; max-height: 280px;
  overflow-y: auto; white-space: pre-wrap; word-break: break-word;
  font-family: var(--code-font); font-size: 12px; line-height: 1.5;
  color: #c8ced9;
}
.drawer .quants { display: flex; flex-wrap: wrap; gap: 6px; }
.drawer .quants .qchip {
  background: var(--bg-elev-2); border: 1px solid var(--border);
  padding: 3px 8px; border-radius: 4px; font-size: 11.5px;
  font-family: var(--code-font); color: var(--fg);
}
.drawer .bfcl-row {
  background: var(--bg-elev-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px; font-family: var(--code-font); font-size: 12px;
}
.drawer .bfcl-row .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; }

.drawer .actions { display: flex; gap: 10px; margin-top: 20px; }

.drawer .close {
  position: absolute; top: 14px; right: 14px;
  background: none; border: none; color: var(--muted); font-size: 22px;
  cursor: pointer; padding: 4px;
}
.drawer .close:hover { color: var(--fg); }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 14px 26px 20px;
  margin-top: 8px;
  max-width: 1200px; margin-left: auto; margin-right: auto;
}
.footer .foot-row {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  font-size: 12.5px; color: var(--muted); font-family: var(--code-font);
}
.footer .foot-row + .foot-row { margin-top: 6px; }
.footer .dot { color: var(--muted-2); }
.footer .links a { font-family: var(--code-font); }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--bg-elev-2); border: 1px solid var(--border);
  color: var(--fg); padding: 10px 16px; border-radius: 8px;
  font-size: 13px; z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  animation: toastIn 0.18s ease;
}
.toast.ok { border-color: var(--accent-dim); }
.toast.err { border-color: var(--danger); }
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Responsive */
@media (max-width: 920px) {
  .hero h1 { font-size: 22px; }
  .leaderboard thead th { font-size: 11px; padding: 9px 8px; }
  .leaderboard tbody td { padding: 10px 8px; font-size: 12.5px; }
  .leaderboard tbody td:nth-child(9), .leaderboard thead th:nth-child(9) { display: none; }
  .leaderboard tbody td:nth-child(7), .leaderboard thead th:nth-child(7) { display: none; }
  .drawer { width: 100vw; }
  .header-stats .stat-pill { display: none; }
  .filters .search { min-width: 160px; }
}

/* Card page */
.card-page {
  background: linear-gradient(135deg, #0a1116 0%, #07090c 100%);
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.card-frame {
  width: min(1200px, 95vw); aspect-ratio: 1200 / 630;
  background: linear-gradient(135deg, var(--bg-elev) 0%, var(--bg-elev-2) 100%);
  border: 1px solid var(--border); border-radius: 18px;
  padding: 60px 70px; position: relative; overflow: hidden;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7), 0 0 0 1px rgba(0,214,167,0.06);
}
.card-stripe {
  position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background: linear-gradient(90deg, var(--accent), #5cf2d6, var(--accent-dim));
}
.card-eyebrow {
  color: var(--accent); font-family: var(--code-font); font-size: 13px;
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 18px;
}
.card-title {
  font-size: 56px; line-height: 1.05; margin: 0 0 10px;
  letter-spacing: -0.02em; font-weight: 700;
}
.card-author {
  color: var(--muted); font-family: var(--code-font); font-size: 16px; margin-bottom: 32px;
}
.card-tiles {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  margin-bottom: 28px;
}
.card-tiles .tile {
  background: var(--bg-elev-3); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px 22px;
}
.tile-label {
  color: var(--muted); font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.05em;
  font-family: var(--code-font);
}
.tile-value {
  font-family: var(--code-font); font-size: 38px;
  font-weight: 700; margin-top: 8px; color: var(--fg);
}
.card-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.card-chips .chip {
  background: var(--bg-elev-3); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 999px; font-size: 13px;
}
.card-chips .chip.good { background: var(--accent-soft); border-color: var(--accent-dim); color: var(--accent); }
.card-chips .chip.meh { color: var(--muted); }
.card-foot {
  position: absolute; bottom: 32px; left: 70px; right: 70px;
  display: flex; justify-content: space-between; align-items: center;
}
.card-foot .watermark {
  color: var(--accent); font-family: var(--code-font); font-size: 16px; font-weight: 600;
}
.card-foot .open-on-hf {
  font-family: var(--code-font); font-size: 13px;
}
.back {
  position: fixed; bottom: 20px; left: 24px;
  color: var(--muted); font-family: var(--code-font); font-size: 12.5px;
}