.vgp {
  color-scheme: light;
  --surface-0: #f4f3f0; --surface-1: #fcfcfb; --surface-2: #ffffff; --border: #dedcd6;
  --text-primary: #0b0b0b; --text-secondary: #52514e; --text-muted: #7a7974; --grid: #e9e7e2;
  --accent: #2a78d6; --hover: #0b0b0b;
  /* grade bands: ordinal blue ramp (steps 250/400/500/650) */
  --band-1: #86b6ef; --band-2: #3987e5; --band-3: #256abf; --band-4: #104281;
  /* crash heat: sequential orange ramp, light -> dark */
  --heat-1: #fde4d5; --heat-2: #f9bb98; --heat-3: #f2915f; --heat-4: #eb6834; --heat-5: #c24f1f; --heat-6: #8a3410;
  --sev-1: #8a3410; --sev-2: #d0581f; --sev-3: #f2915f; --ring: #ffffff;
  display: grid; grid-template-columns: 320px 1fr; height: 100%; min-height: 0;
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text-primary); background: var(--surface-0);
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) .vgp {
    color-scheme: dark;
    --surface-0: #121211; --surface-1: #1a1a19; --surface-2: #222220; --border: #34332f;
    --text-primary: #ffffff; --text-secondary: #c3c2b7; --text-muted: #8f8e86; --grid: #2c2b28; --hover: #ffffff;
    --band-1: #b7d3f6; --band-2: #6da7ec; --band-3: #3987e5; --band-4: #1c5cab;
  }
}
:root[data-theme="dark"] .vgp {
  color-scheme: dark;
  --surface-0: #121211; --surface-1: #1a1a19; --surface-2: #222220; --border: #34332f;
  --text-primary: #ffffff; --text-secondary: #c3c2b7; --text-muted: #8f8e86; --grid: #2c2b28; --hover: #ffffff;
  --band-1: #b7d3f6; --band-2: #6da7ec; --band-3: #3987e5; --band-4: #1c5cab;
}
.vgp * { box-sizing: border-box; }
.vgp-side { background: var(--surface-1); border-right: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; }
.vgp-brand { padding: 16px 16px 8px; display: flex; flex-direction: column; gap: 2px; }
.vgp-brand strong { font-size: 16px; }
.vgp-brand span, .vgp-count { color: var(--text-secondary); font-size: 12px; }
.vgp-search { margin: 4px 16px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface-2); color: inherit; font: inherit; }
.vgp-chk { padding: 4px 16px; font-size: 12px; color: var(--text-secondary); }
.vgp-count { padding: 4px 16px 8px; }
.vgp-list { list-style: none; margin: 0; padding: 0 8px 16px; overflow: auto; flex: 1; }
.vgp-list li { padding: 8px; border-radius: 6px; cursor: pointer; display: grid; gap: 1px; }
.vgp-list li:hover, .vgp-list li:focus { background: var(--surface-0); outline: none; }
.vgp-list li[aria-selected="true"] { background: var(--surface-0); box-shadow: inset 3px 0 0 var(--accent); }
.vgp-list li.vgp-nop { opacity: .55; cursor: default; }
.vgp-rn { font-weight: 600; }
.vgp-rl, .vgp-rm { font-size: 12px; color: var(--text-secondary); }
.vgp-main { display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: auto; }
.vgp-head { padding: 14px 20px 4px; }
.vgp-title { margin: 0; font-size: 20px; }
.vgp-sub { color: var(--text-secondary); font-size: 13px; }
.vgp-toolbar { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; padding: 8px 20px; font-size: 13px; color: var(--text-secondary); }
.vgp-toolbar label { display: inline-flex; gap: 6px; align-items: center; }
.vgp-toolbar select, .vgp-year { font: inherit; color: var(--text-primary); background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 3px 6px; }
.vgp-year { width: 72px; }
.vgp-sev { display: inline-flex; gap: 10px; }
.vgp-num { font-variant-numeric: tabular-nums; min-width: 3ch; color: var(--text-primary); }
.vgp-mapwrap { position: relative; height: 52vh; min-height: 320px; margin: 0 20px; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); background: var(--surface-1); }
.vgp-map { position: absolute; inset: 0; }
.vgp-legend { position: absolute; left: 10px; bottom: 10px; background: var(--surface-1); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; font-size: 12px; display: grid; gap: 3px; }
.vgp-lg-title { font-weight: 600; margin-top: 4px; }
.vgp-ramp { width: 160px; height: 8px; border-radius: 4px; }
.vgp-sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -2px; }
.vgp-dot { display: inline-block; border-radius: 50%; margin-right: 6px; vertical-align: middle; box-shadow: 0 0 0 2px var(--ring), 0 0 0 3px var(--border); }
.vgp-ramp-lbl { display: flex; justify-content: space-between; width: 160px; color: var(--text-muted); font-size: 11px; }
.vgp-sortrow { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 4px 16px; font-size: 12px; color: var(--text-secondary); }
.vgp-sortrow .vgp-chk { padding: 0; }
.vgp-sort { font: inherit; color: var(--text-primary); background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 3px 6px; }
.vgp-tip { position: absolute; right: 10px; top: 10px; background: var(--surface-1); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; font-size: 12px; display: grid; gap: 2px; min-width: 190px; }
.vgp-tip[hidden] { display: none; }
.vgp-muted { color: var(--text-muted); }
.vgp-panels { display: grid; gap: 12px; padding: 12px 20px 8px; }
.vgp-panel { background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; min-width: 0; }
.vgp-panel h2 { margin: 0 0 6px; font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.vgp-chart { width: 100%; }
.vgp-chart svg { display: block; width: 100%; height: auto; }
.vgp-ax { font-size: 11px; fill: var(--text-muted); font-variant-numeric: tabular-nums; }
.vgp-table table { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
.vgp-table th, .vgp-table td { padding: 5px 8px; border-bottom: 1px solid var(--grid); text-align: right; }
.vgp-table th[scope="row"], .vgp-table thead th:first-child { text-align: left; }
.vgp-table thead th { color: var(--text-secondary); font-weight: 600; }
.vgp-cap { font-weight: 400; color: var(--text-muted); margin-left: 6px; }
.vgp-note { font-size: 12px; color: var(--text-secondary); margin: 8px 0 0; }
.vgp-attr { font-size: 11px; color: var(--text-muted); padding: 4px 20px 16px; }
@media (max-width: 760px) {
  .vgp { grid-template-columns: 1fr; grid-template-rows: auto 1fr; height: auto; }
  .vgp-side { max-height: 40vh; border-right: 0; border-bottom: 1px solid var(--border); }
  .vgp-head, .vgp-toolbar, .vgp-panels { padding-left: 16px; padding-right: 16px; }
  .vgp-mapwrap { margin: 0 16px; }
}