:root {
  --bg: #ffffff;
  --fg: #1f2933;
  --muted: #6b7280;
  --border: #e5e7eb;
  --grid: #f3f4f6;
  --accent: #0072b2;
  --ref: #d55e00;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.sticky-header {
  position: sticky; top: 0; z-index: 50;
  background: #ffffff; border-bottom: 1px solid var(--border);
}
.topbar { }
.topbar h1 { font-size: 1.05rem; margin: 0; padding: 0.7rem 1rem 0.4rem; }
nav {
  display: flex; flex-wrap: wrap; gap: 0.25rem; padding: 0 1rem 0.6rem;
  overflow-x: auto; white-space: nowrap;
}
nav a {
  color: var(--muted); padding: 0.25rem 0.6rem; border-radius: 6px; font-size: 0.85rem;
}
nav a:hover { color: var(--fg); background: var(--grid); }

.filterbar {
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center;
  padding: 0.6rem 1rem; background: #fafbfc;
  font-size: 0.85rem;
}
.filterbar label { color: var(--muted); margin-right: 0.25rem; }
.filterbar select, .filterbar button {
  font-size: 0.85rem; padding: 0.2rem 0.45rem; border: 1px solid var(--border);
  border-radius: 6px; background: #fff; color: var(--fg);
}
.filterbar .modelchips { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.15rem 0.5rem; border: 1px solid var(--border); border-radius: 999px;
  cursor: pointer; user-select: none; font-size: 0.8rem; background: #fff;
}
.chip .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.chip.off { opacity: 0.35; }
.chip.ref { border-style: dashed; border-color: var(--ref); }

main { padding: 0 1rem 3rem; max-width: 1240px; margin: 0 auto; }
section { padding-top: 1rem; margin-top: 0.5rem; scroll-margin-top: 96px; }
section h2 {
  font-size: 1.2rem; border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem; margin: 0.5rem 0 0.75rem;
}
.note { color: var(--muted); font-size: 0.82rem; margin: 0 0 0.75rem; }

.chart { min-height: 340px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1rem; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.5rem 1rem; }
@media (max-width: 900px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

/* Overview */
.kpis { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1rem; }
.kpi {
  border: 1px solid var(--border); border-radius: 8px; padding: 0.55rem 0.8rem;
  background: #fafbfc; font-size: 0.85rem;
}
.kpi .v { font-weight: 600; font-size: 1rem; }
.kpi .k { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 0.75rem; }
.card { border: 1px solid var(--border); border-radius: 8px; padding: 0.75rem 0.9rem; }
.card.ref { border-style: dashed; border-color: var(--ref); background: #fffaf5; }
.card h3 { margin: 0 0 0.5rem; font-size: 0.95rem; }
.card .row { display: flex; justify-content: space-between; font-size: 0.82rem; padding: 0.12rem 0; }
.card .row .k { color: var(--muted); }
.card .badge {
  display: inline-block; font-size: 0.68rem; padding: 0.05rem 0.4rem; border-radius: 3px;
  background: var(--ref); color: #fff; margin-left: 0.3rem; vertical-align: middle;
}

/* Raw data table */
.datatable-wrap { overflow-x: auto; }
.datatable { border-collapse: collapse; width: 100%; font-size: 0.8rem; }
.datatable th, .datatable td { border: 1px solid var(--border); padding: 0.3rem 0.5rem; text-align: right; }
.datatable th { background: var(--grid); position: sticky; top: 0; }
.datatable td:first-child, .datatable th:first-child { text-align: left; }
.st-PASS { color: #2e7d32; font-weight: 600; }
.st-UNSTABLE { color: #b26a00; font-weight: 600; }
.st-FAIL, .st-TIMEOUT { color: #c62828; font-weight: 600; }
.st-EXCLUDED { color: #9e9e9e; }

footer { color: var(--muted); font-size: 0.75rem; padding: 1rem; border-top: 1px solid var(--border); }
.loading { padding: 3rem; color: var(--muted); text-align: center; }