:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface-1: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --chip-bg: #f0efec;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --seq-lo: #cde2fb; --seq-mid: #5598e7; --seq-hi: #0d366b;
  --other: #a3a29b;
  --st-ms: #6250d6; --st-evolved: #e34948; --st-remnant: #008300;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface-1: #1a1a19;
    --text-primary: #f0efec;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --chip-bg: #2c2c2a;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --seq-lo: #184f95; --seq-mid: #5598e7; --seq-hi: #cde2fb;
    --other: #6b6a65;
  --st-ms: #9085e9; --st-evolved: #e66767; --st-remnant: #008300;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface-1: #1a1a19;
  --text-primary: #f0efec;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --chip-bg: #2c2c2a;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --seq-lo: #184f95; --seq-mid: #5598e7; --seq-hi: #cde2fb;
  --other: #6b6a65;
  --st-ms: #9085e9; --st-evolved: #e66767; --st-remnant: #008300;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 32px; padding-bottom: 8px; }
h1 { font-size: 28px; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 18px; margin: 0 0 6px; }
.lede { color: var(--text-secondary); max-width: 70ch; margin: 0; }
.note { color: var(--text-secondary); font-size: 13.5px; max-width: 80ch; margin: 0 0 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin: 16px 0;
}

.controls { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin-bottom: 10px; }
.controls.secondary { font-size: 13.5px; color: var(--text-secondary); }
.controls label { display: inline-flex; gap: 6px; align-items: center; }
.ctl-label { color: var(--text-secondary); }
select, button {
  font: inherit;
  color: var(--text-primary);
  background: var(--surface-1);
  border: 1px solid var(--axis);
  border-radius: 6px;
  padding: 4px 8px;
  max-width: 100%;
}
button { cursor: pointer; }
button:hover, select:hover { border-color: var(--text-muted); }
.chk { cursor: pointer; }
.chips { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 999px; background: var(--chip-bg);
  border: 1px solid transparent; cursor: pointer; user-select: none; font-size: 13px;
}
.chip input { margin: 0; }
.chip.off { opacity: 0.45; }

.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; font-size: 13px; }
.presets button { font-size: 12.5px; padding: 2px 9px; border-radius: 999px; color: var(--text-secondary); }

.plot { width: 100%; height: 540px; }
.plot-sm { height: 340px; }
.plot-md { height: 400px; }
.pies { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.pie { height: 300px; min-width: 0; }
caption { text-align: left; color: var(--text-secondary); font-size: 13px; padding-bottom: 4px; }
.corr { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13.5px; color: var(--text-secondary); padding-top: 6px; }
.corr b { color: var(--text-primary); font-variant-numeric: tabular-nums; }

.question { font-size: 16px; line-height: 2.1; }
.question select { font-size: 15px; }
.answer { font-size: 15px; margin: 8px 0 4px; min-height: 2.5em; }
.answer .big { font-size: 30px; font-weight: 650; margin-right: 8px; }

.table-wrap { overflow-x: auto; margin-top: 8px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { padding: 5px 8px; text-align: right; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--text-secondary); font-weight: 600; }
tr.sel td { background: color-mix(in srgb, var(--accent) 12%, transparent); }
td.hl { font-weight: 650; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 6px 0 12px; }
.tile { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.tile .v { font-size: 24px; font-weight: 650; }
.tile .k { font-size: 12.5px; color: var(--text-secondary); }
.two-up { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.caveats ul { margin: 0 0 8px; padding-left: 18px; color: var(--text-secondary); font-size: 13.5px; }
.caveats li { margin-bottom: 6px; }
.caveats strong { color: var(--text-primary); }

.loading {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: var(--page); color: var(--text-secondary); font-size: 15px;
}
.loading[hidden] { display: none; }

@media (max-width: 1000px) {
  .pies { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .two-up { grid-template-columns: 1fr; }
  .pies { grid-template-columns: 1fr; }
  .plot { height: 420px; }
  .card { padding: 12px; }
  h1 { font-size: 23px; }
}