:root {
  --bg: #ffffff;
  --fg: #1d1f23;
  --muted: #646a73;
  --line: #e3e6ea;
  --head: #f6f7f9;
  --empty: #fafbfc;
  --accent: #1a5fb4;
  --heat: 26, 110, 210; /* rgb of the best-score tint */
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e4e6ea;
    --muted: #9aa1ab;
    --line: #2b2f35;
    --head: #1c1f23;
    --empty: #181a1d;
    --accent: #7fb0ff;
    --heat: 90, 150, 255;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 16px;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
h1 { margin: 0 0 4px; font-size: 22px; }
.lede { margin: 0 0 8px; color: var(--muted); }
.stats { margin: 6px 0; color: var(--muted); font-variant-numeric: tabular-nums; }

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  margin: 12px 0 4px;
}
.controls label { display: inline-flex; gap: 6px; align-items: center; }
.controls span { color: var(--muted); }
.controls input[type="search"] { width: 16em; max-width: 60vw; }
input, select {
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 6px;
}

.table-wrap {
  overflow: auto;
  max-height: calc(100vh - 210px);
  border: 1px solid var(--line);
  border-radius: 8px;
}
table { border-collapse: separate; border-spacing: 0; font-variant-numeric: tabular-nums; }
th, td { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }

thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--head);
  vertical-align: bottom;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  padding: 6px;
  width: 84px;
  min-width: 84px;
  max-width: 84px;
  cursor: pointer;
  user-select: none;
}
thead th .label {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}
thead th .meta { display: block; margin-top: 3px; font-weight: 400; color: var(--muted); }
thead th[aria-sort="descending"] .meta::after { content: " ▼"; }
thead th[aria-sort="ascending"] .meta::after { content: " ▲"; }

th.model, td.model {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--bg);
  min-width: 220px;
  max-width: 260px;
  text-align: left;
}
thead th.model { z-index: 3; background: var(--head); width: auto; max-width: none; }
td.model { padding: 4px 8px; }
td.model .name { font-weight: 600; overflow-wrap: anywhere; }
td.model .sub { display: block; color: var(--muted); font-size: 12px; }
tr.unmatched td.model .name { font-style: italic; font-weight: 500; }

td.score {
  text-align: right;
  padding: 4px 6px;
  cursor: pointer;
  white-space: nowrap;
}
td.score.empty { background: var(--empty); cursor: default; }
td.score .n { color: var(--muted); font-size: 10px; margin-left: 2px; vertical-align: super; }
td.score:hover:not(.empty) { outline: 2px solid var(--accent); outline-offset: -2px; }

footer { margin-top: 16px; color: var(--muted); font-size: 12px; }
footer p { margin: 4px 0; }

@media (max-width: 640px) {
  th.model, td.model { min-width: 150px; max-width: 170px; }
  .table-wrap { max-height: none; }
}