:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2430;
  --border: #2a3543;
  --text: #e6edf3;
  --muted: #8b98a9;
  --accent: #4c9aff;
  --accent-2: #7c5cff;
  --accent-soft: #4c9aff1a;
  --accent-border: #4c9aff55;
  --good: #3fb950;
  --bad: #f85149;
  --pending: #d29922;
  --row-hover: #1b2431;
  --gold: #e3b341;
  --silver: #adbac7;
  --bronze: #cd7f32;
}

/* Light palette — applied when the user picks light, or when the OS prefers
   light and no explicit choice is stored. */
:root[data-theme="light"] {
  --bg: #ffffff;
  --panel: #f6f8fa;
  --panel-2: #eaeef2;
  --border: #d0d7de;
  --text: #1f2328;
  --muted: #656d76;
  --accent: #0969da;
  --accent-2: #8250df;
  --accent-soft: #0969da14;
  --accent-border: #0969da66;
  --good: #1a7f37;
  --bad: #cf222e;
  --pending: #9a6700;
  --row-hover: #f3f4f6;
  --gold: #9a6700;
  --silver: #6e7781;
  --bronze: #a0522d;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #ffffff;
    --panel: #f6f8fa;
    --panel-2: #eaeef2;
    --border: #d0d7de;
    --text: #1f2328;
    --muted: #656d76;
    --accent: #0969da;
    --accent-2: #8250df;
    --accent-soft: #0969da14;
    --accent-border: #0969da66;
    --good: #1a7f37;
    --bad: #cf222e;
    --pending: #9a6700;
    --row-hover: #f3f4f6;
    --gold: #9a6700;
    --silver: #6e7781;
    --bronze: #a0522d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 20px 80px; }

header.hero {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), transparent);
}
.hero-inner { max-width: 1180px; margin: 0 auto; padding: 26px 20px 18px; }
.hero h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p { margin: 6px 0 0; color: var(--muted); }
.hero .model-chip {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 10px;
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--accent);
  background: #4c9aff1a;
  border: 1px solid #4c9aff40;
  border-radius: 999px;
}

nav.tabs { display: flex; gap: 6px; margin-top: 18px; }
nav.tabs a {
  padding: 7px 14px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 8px 8px 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  font-weight: 500;
}
nav.tabs a.active { color: var(--text); background: var(--panel); border-color: var(--border); }
nav.tabs a:hover { color: var(--text); }

.toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 20px 0 14px;
}
.toolbar label { color: var(--muted); font-size: 13px; }
.toolbar select, .toolbar input {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
}
.toolbar .spacer { flex: 1; }
.toolbar .updated { color: var(--muted); font-size: 12px; }
.theme-toggle {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 5px 9px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent-border); }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; min-width: 860px; }
thead th {
  position: sticky; top: 0;
  background: var(--panel);
  color: var(--muted);
  text-align: right;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
thead th.left { text-align: left; }
thead th.sorted::after { content: " \25be"; color: var(--accent); }
thead th.sorted.asc::after { content: " \25b4"; }
tbody td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
tbody td.left { text-align: left; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--row-hover); }
tbody tr.invalid { opacity: 0.5; }
tbody tr.invalid .team-name { text-decoration: line-through; }

.rank { font-weight: 700; color: var(--muted); }
.rank.r1 { color: var(--gold); }
.rank.r2 { color: var(--silver); }
.rank.r3 { color: var(--bronze); }

.team-name { font-weight: 600; }
.sub-name { color: var(--muted); font-size: 12px; }
.submitter { color: var(--muted); font-size: 12px; }

.gpu-pill {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
}

.speedup { font-weight: 700; color: var(--good); }
.speedup.none { color: var(--muted); font-weight: 400; }
.ms { color: var(--text); }
.sub-speedup { color: var(--muted); font-size: 11px; }

.gate { font-size: 15px; }
.gate.pass { color: var(--good); }
.gate.fail { color: var(--bad); }
.gate.pending { color: var(--pending); }

.example-flag {
  font-size: 10px;
  color: var(--pending);
  border: 1px solid #d2992240;
  background: #d2992212;
  padding: 1px 6px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
}

.subtabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 20px 0 4px; }
.subtab {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.subtab:hover { color: var(--text); }
.subtab.active { color: var(--text); background: var(--accent-soft); border-color: var(--accent-border); }

.board { margin-top: 30px; }
.board:first-of-type { margin-top: 6px; }
.board-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin: 0 2px 10px;
}
.board-title { margin: 0; font-size: 18px; letter-spacing: -0.01em; }
.board-title .board-model { color: var(--muted); font-weight: 500; font-size: 14px; margin-left: 8px; }
.board-note { color: var(--muted); font-size: 12px; }
.board-note code { font-size: 11px; }

.legend { margin-top: 16px; color: var(--muted); font-size: 12px; display: flex; gap: 18px; flex-wrap: wrap; }
.legend span b { color: var(--text); font-weight: 600; }

.empty { padding: 40px; text-align: center; color: var(--muted); }
.footer { margin-top: 30px; color: var(--muted); font-size: 12px; }
.footer a { color: var(--accent); }
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--panel-2); padding: 1px 5px; border-radius: 5px; font-size: 12px; }