:root {
  color-scheme: dark;
  --bg: #0b0d11;
  --panel: #14171d;
  --ink: #eef0f4;
  --muted: #99a1ae;
  --line: #262b34;
  --accent: #ff6b7a; /* 6.27:1 on --panel */
  --up: #ff8f66;
  --down: #7fb2ff;
  --court: #3b3128;
  --court-line: #ffffff;
}

@view-transition { navigation: auto; }

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  container-type: inline-size;
}

#viz-header {
  view-transition-name: viz-header;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
}
#viz-header .wordmark { color: var(--ink); font-weight: 800; font-size: 22px; letter-spacing: -0.03em; text-decoration: none; }
#showcase { font: inherit; font-size: 18px; font-weight: 600; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: inherit; }
#viz-header .hook { flex-basis: 100%; margin: 0; color: var(--muted); font-size: 16px; }

select { font: inherit; padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: inherit; }
select:disabled { opacity: 0.5; }
button { font: inherit; color: inherit; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; cursor: pointer; }

footer { padding: 16px 24px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
footer a { color: inherit; }

/* Full-page load error with a Retry button; used by the tornadoes page (shots keeps its inline #error). */
.load-error { margin: 24px; color: var(--accent); }
.load-error button { margin-left: 8px; }

/* Record mode: a centred 9:16 phone frame, larger type, one-line footer. */
html.rec { background: #000; height: 100%; }
html.rec body {
  width: min(100vw, calc(100vh * 9 / 16));
  height: min(100vh, calc(100vw * 16 / 9));
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-size: 18px;
}
html.rec main { flex: 1; min-height: 0; overflow: auto; }
html.rec #viz-header .hook { font-size: 20px; color: var(--ink); }
html.rec footer { padding: 8px 16px; }
html.rec footer .detail { display: none; }

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
}

/* Colour key under a chart: title, gradient bar with ticks, optional note. src/web/shell/legend.ts fills it. */
.legend { margin: 8px 0 0; max-width: 360px; color: var(--muted); font-size: 12px; }
.legend-title { margin-bottom: 4px; }
.legend-row { display: flex; align-items: flex-start; gap: 3px; }
.legend-none { display: flex; flex-direction: column; align-items: center; font-variant-numeric: tabular-nums; }
.legend-none-label { margin-top: 3px; line-height: 16px; }
/* The "no tornadoes" fill sits as the bar's first block; a hairline keeps it visible on the dark page. */
.legend-swatch { display: block; width: 14px; height: 10px; border-radius: 2px; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18); }
.legend-bar { flex: 1; }
.legend-ramp { height: 10px; border-radius: 2px; }
.legend-ticks { position: relative; height: 16px; margin-top: 3px; font-variant-numeric: tabular-nums; }
.legend-tick { position: absolute; top: 0; transform: translateX(-50%); white-space: nowrap; }
.legend-tick:first-child { transform: none; }
.legend-tick:last-child { transform: translateX(-100%); }
.legend-note { margin: 4px 0 0; }
.legend-note:empty { display: none; }
html.rec .legend { max-width: none; font-size: 16px; }
html.rec .legend-ramp, html.rec .legend-swatch { height: 14px; }
html.rec .legend-swatch { width: 20px; }