:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1a1d21;
  --muted: #6a7178;
  --accent: #2f6fed;
  --good: #1d8a4e;
  --bad: #c0392b;
  --border: #e2e5e9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 24px 32px;
}

h1 { margin: 0 0 4px; font-size: 24px; }

.generated {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--muted);
}

.generated .stale { color: var(--bad); font-weight: 600; }

footer.generated {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 32px 48px;
  border-top: 1px solid var(--border);
}

h2 { font-size: 18px; margin: 32px 0 12px; }

main { max-width: 1100px; margin: 0 auto; padding: 8px 32px 64px; }

.overview {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.overview .stat { min-width: 150px; }
.overview .stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.overview .stat .value { font-size: 20px; font-weight: 600; margin-top: 2px; }

#gate-banner .banner {
  background: #fff6e5;
  border: 1px solid #f0d9a8;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  color: #7a5b12;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: #dfe3e8;
}

.card .no-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #dfe3e8;
  color: var(--muted);
  font-size: 13px;
}

.card .body { padding: 14px 16px; }
.card .desc { font-weight: 600; margin-bottom: 8px; }
.card .status { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; }
.card .status.active { color: var(--good); }
.card .status.inactive { color: var(--bad); }
.card table { width: 100%; font-size: 13px; border-collapse: collapse; margin-top: 8px; }
.card table td { padding: 3px 0; }
.card table td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.card .lineage-note { margin-top: 8px; font-size: 12px; color: var(--muted); }

.chart-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--accent);
  cursor: pointer;
  user-select: none;
}

.chart-toggle input { cursor: pointer; margin: 0; }
.chart-toggle input:disabled { cursor: default; }
.chart-toggle input:disabled + span { color: var(--muted); cursor: default; }
.card .status.queued { color: var(--accent); }

.card .prompt {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  white-space: pre-wrap;
}

.card .prompt summary { cursor: pointer; color: var(--accent); }

table#leaderboard {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}

#leaderboard th, #leaderboard td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

#leaderboard th { background: #f0f2f5; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
#leaderboard tr:last-child td { border-bottom: none; }
#leaderboard td:nth-child(3), #leaderboard td:nth-child(4) { font-variant-numeric: tabular-nums; }

.chart-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  height: 340px;
}

.lineage {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  white-space: pre;
  overflow-x: auto;
}

.muted { color: var(--muted); }

/* Hover preview for the over-time charts. Chart.js renders its own tooltip on
   the canvas, which cannot contain an image, so this HTML node stands in. */
.chart-tooltip {
  position: absolute;
  z-index: 20;
  display: flex;
  gap: 10px;
  align-items: center;
  max-width: 260px;
  padding: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.14);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;          /* never steal the hover from the canvas */
  transition: opacity 120ms ease;
}

.chart-tooltip img {
  width: 112px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 4px;
  display: block;
  background: #dfe3e8;
  flex: none;
}

.chart-tooltip .tip-key { font-weight: 600; }
.chart-tooltip .tip-value { font-size: 15px; font-variant-numeric: tabular-nums; }
.chart-tooltip .tip-when { color: var(--muted); }