:root {
  --bg: #0c0d10;
  --panel: #14161b;
  --panel-edge: #23262e;
  --ink: #e6e8ee;
  --ink-dim: #9aa0ae;
  --ink-faint: #676d7b;
  --hot: #ff5c48;
  --warn: #ffb020;
  --cool: #4ea3ff;
  --good: #35c98a;
  --grid: #23262e;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* --- masthead --- */

.masthead {
  border-bottom: 1px solid var(--panel-edge);
  padding: 72px 0 40px;
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(255, 92, 72, 0.10), transparent 60%),
    var(--bg);
}

.masthead h1 {
  margin: 0;
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.sub {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 2.4vw, 1.22rem);
  color: var(--ink-dim);
}

/* --- headline counters --- */

.counters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 36px 0;
}

.counter {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 12px;
  padding: 16px 18px;
  min-width: 0; /* let grid items shrink instead of forcing overflow */
}

.counter .value {
  font-family: var(--mono);
  /* Values run from "7.7%" to eight-figure commit counts, so this has to stay
     readable at both extremes without spilling out of the card. */
  font-size: clamp(1.4rem, 2.6vw, 1.95rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--hot);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.counter .label { margin-top: 8px; font-size: 0.87rem; line-height: 1.4; color: var(--ink); }
.counter .foot { margin-top: 6px; font-size: 0.75rem; line-height: 1.4; color: var(--ink-faint); }

/* --- panels --- */

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 12px;
  padding: 26px;
  margin-bottom: 22px;
}

.panel h2 {
  margin: 0 0 6px;
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.panel h3 { margin: 0 0 8px; font-size: 1rem; font-weight: 650; }

.lede { margin: 0 0 18px; color: var(--ink-dim); font-size: 0.95rem; max-width: 68ch; }
.note { margin: 12px 0 0; color: var(--ink-faint); font-size: 0.82rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.grid-2 > .panel { margin-bottom: 0; }
.methods p { color: var(--ink-dim); font-size: 0.92rem; }

/* --- charts --- */

.chart { width: 100%; overflow-x: auto; position: relative; }
.chart svg { display: block; width: 100%; height: auto; min-width: 300px; touch-action: none; }

.tooltip {
  position: absolute;
  top: 8px;
  z-index: 5;
  pointer-events: none;
  min-width: 130px;
  padding: 9px 11px;
  background: #0d0f13;
  border: 1px solid var(--panel-edge);
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.55);
  font-size: 0.78rem;
  line-height: 1.5;
}

.tooltip[hidden] { display: none; }

.tooltip .when {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  margin-bottom: 5px;
}

.tooltip .k {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-dim);
  margin-right: 10px;
}

.tooltip .k i { width: 8px; height: 8px; border-radius: 2px; flex: none; }

.tooltip b {
  float: right;
  color: var(--ink);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.tooltip b::after { content: ''; display: block; clear: both; }

.axis-line { stroke: var(--grid); stroke-width: 1; }
.grid-line { stroke: var(--grid); stroke-width: 1; stroke-dasharray: 2 4; }
.tick { fill: var(--ink-faint); font-family: var(--mono); font-size: 10px; }
.axis-title { fill: var(--ink-faint); font-family: var(--mono); font-size: 10px; letter-spacing: 0.05em; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--ink-dim);
}

.legend .key { display: inline-flex; align-items: center; gap: 7px; }
.legend .swatch { width: 11px; height: 11px; border-radius: 3px; flex: none; }

/* --- methodology --- */

.queries { margin: 10px 0 0; padding: 0; list-style: none; }

.queries li {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
  padding: 5px 0;
  border-bottom: 1px solid var(--panel-edge);
  word-break: break-word;
}

.queries li:last-child { border-bottom: 0; }
.queries b { color: var(--ink); font-weight: 600; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: #1c1f26;
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  padding: 1px 5px;
}

.caveats ul { margin: 0; padding-left: 20px; color: var(--ink-dim); font-size: 0.92rem; }
.caveats li { margin-bottom: 12px; }
.caveats strong { color: var(--ink); }

main.wrap { padding-bottom: 64px; }

.error {
  border: 1px solid var(--hot);
  border-radius: 10px;
  padding: 18px;
  color: var(--hot);
  font-family: var(--mono);
  font-size: 0.85rem;
}

/* --- footer --- */

.site-footer {
  padding: 28px 20px 64px;
  border-top: 1px solid var(--panel-edge);
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.site-footer #last-updated {
  margin: 0 0 8px;
  font-family: var(--mono);
}

.site-footer .self-aware {
  margin: 0;
  max-width: 68ch;
  font-style: italic;
}

@media (max-width: 780px) {
  .grid-2 { grid-template-columns: 1fr; }
  .masthead { padding: 48px 0 32px; }
  .panel { padding: 20px; }
}