:root {
  color-scheme: light;
  --background:#ffffff; --text:#1f2937; --muted:#6b7280;
  --border:#e5e7eb; --surface:#f9fafb; --header:#f3f4f6;
  --accent:#ea580c; --blue:#3b82f6; --track:#edf1f5; --hover:#f8fafc;
}
@media (prefers-color-scheme:dark) {
  :root:not([data-theme="light"]) {
    color-scheme:dark;
    --background:#0b0f19; --text:#e5e7eb; --muted:#9ca3af;
    --border:#303744; --surface:#111827; --header:#1b2230;
    --accent:#fb923c; --blue:#60a5fa; --track:#283241; --hover:#171e2b;
  }
}
:root[data-theme="dark"] {
  color-scheme:dark;
  --background:#0b0f19; --text:#e5e7eb; --muted:#9ca3af;
  --border:#303744; --surface:#111827; --header:#1b2230;
  --accent:#fb923c; --blue:#60a5fa; --track:#283241; --hover:#171e2b;
}
*{box-sizing:border-box}
body{margin:0;background:var(--background);color:var(--text);font:14px/1.5 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
main{max-width:1200px;margin:0 auto;padding:24px 24px 16px}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
h1{font-size:28px;line-height:1.3;letter-spacing:-.7px;margin:0;font-weight:650}
h1 span{font-weight:450;color:var(--muted)}
.page-header p{color:var(--muted);margin:6px 0 0;font-size:13px}
.button{padding:7px 13px;background:var(--surface);border:1px solid var(--border);border-radius:7px;color:var(--text);font-size:12px;white-space:nowrap}
.button:hover{background:var(--header)}
.rankings{border:1px solid var(--border);border-radius:8px;overflow:hidden}
.category-tabs{display:flex;gap:0;overflow-x:auto;border-bottom:1px solid var(--border);background:var(--surface);scrollbar-width:thin}
.category-tabs button{position:relative;border:0;background:transparent;white-space:nowrap;padding:13px 22px;font-size:14px;font-weight:500;color:var(--muted)}
.category-tabs button:hover{color:var(--text);background:var(--hover)}
.category-tabs button[aria-selected="true"]{color:var(--accent);background:var(--background)}
.category-tabs button[aria-selected="true"]:after{content:"";position:absolute;bottom:0;height:2px;left:15px;right:15px;background:var(--accent)}
.rank-table{width:100%;border-collapse:collapse;table-layout:fixed}
.rank-table th{background:var(--surface);font-size:12px;font-weight:500;color:var(--muted);text-align:left;padding:12px 18px;border-bottom:1px solid var(--border)}
.rank-table .rank-column{width:64px;text-align:center;padding-left:10px;padding-right:10px}
.rank-table .score-column{width:36%;text-align:right}
.rank-table td{padding:14px 18px;border-bottom:1px solid var(--border);height:52px}
.rank-table tbody tr:last-child td{border-bottom:0}
.rank-table tbody tr:hover{background:var(--hover)}
.rank-number{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;text-align:center}
.rank-model{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.rank-score{font-variant-numeric:tabular-nums}
.score-display{display:flex;align-items:center;gap:18px;justify-content:flex-end}
.score-value{min-width:38px;text-align:right;font-weight:550}
.score-track{height:7px;flex:1;max-width:230px;border-radius:3px;background:var(--track);overflow:hidden}
.score-fill{height:100%;border-radius:3px;background:var(--blue)}
.rank-table .first-place{background:var(--surface)}
.first-place .score-value,.first-place .rank-model{font-weight:700}
.ranking-footnote{margin:0;padding:10px 18px;border-top:1px solid var(--border);font-size:11px;color:var(--muted);display:flex;justify-content:space-between;gap:12px}
.paper-details{margin-top:18px;border:1px solid var(--border);border-radius:7px}
.paper-details summary{padding:11px 14px;cursor:pointer;font-size:12px;font-weight:500;background:var(--surface);border-radius:7px}
.paper-details summary span{float:right;font-size:11px;font-weight:400;color:var(--muted)}
.paper-details-content{padding:0 14px 14px}
.paper-results{margin:19px 0 23px}
.paper-results h2{font-size:15px;font-weight:600;margin:0 0 12px}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:6px}
.paper-table{width:100%;border-collapse:separate;border-spacing:0;font-size:12px;white-space:nowrap;text-align:right}
.paper-table th{font-size:11px;font-weight:500;background:var(--header);color:var(--muted)}
.paper-table th,.paper-table td{padding:10px;border-bottom:1px solid var(--border)}
.paper-table tbody tr:last-child td{border-bottom:0}
.paper-table .model-cell{text-align:left;position:sticky;left:0;background:var(--background);min-width:172px;border-right:1px solid var(--border);z-index:1}
.paper-table th.model-cell{background:var(--header);z-index:2}
.paper-table th[colspan]{text-align:center;font-weight:600}
.paper-table .best-score{font-weight:750;color:var(--text)}
.paper-source{font-size:11px;text-align:right;margin:9px 0 0}
.submission-instructions{margin-top:20px;padding-top:14px;border-top:1px solid var(--border)}
.submission-instructions h2{font-size:14px;font-weight:600;margin:0}
.submission-instructions p{font-size:12px;line-height:1.7;color:var(--muted);margin:6px 0 0;max-width:100ch}
footer{display:flex;flex-wrap:wrap;gap:16px;margin-top:18px;font-size:11px;color:var(--muted)}
footer a{color:var(--muted)}footer span{margin-left:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[hidden]{display:none!important}
@media(max-width:650px){
  main{padding:18px 14px 14px}h1{font-size:23px;letter-spacing:-.5px}h1 span{display:block;font-size:17px;letter-spacing:0;margin-top:2px}
  .page-header{margin-bottom:18px}.page-header p{display:none}
  .category-tabs button{padding:12px 15px;font-size:13px}
  .rank-table th,.rank-table td{padding:13px 12px}.rank-table .rank-column{width:42px;padding-left:8px;padding-right:8px}
  .rank-table .score-column{width:30%}.score-display{gap:10px}.rank-model{font-size:13px}
  .rank-table td{height:50px}.ranking-footnote{padding:10px 12px}footer{gap:12px}footer span{margin-left:0;width:100%}
}
@media(max-width:420px){.score-track{display:none}.rank-table .score-column{width:68px}.category-tabs button{padding-left:12px;padding-right:12px}.rank-model{font-size:12px}.page-header h1{font-size:22px}}