:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --ring: rgba(11, 11, 11, 0.10);
  --s1: #2a78d6; /* persistent specialists */
  --s2: #eb6834; /* retrieving generalist */
  --s3: #1baf7a; /* stateless specialists */
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --radius: 10px;
  --gutter: 16px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --ring: rgba(255, 255, 255, 0.10);
    --s1: #3987e5;
    --s2: #d95926;
    --s3: #199e70;
    --good-text: #0ca30c;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --ring: rgba(255, 255, 255, 0.10);
  --s1: #3987e5;
  --s2: #d95926;
  --s3: #199e70;
  --good-text: #0ca30c;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 var(--gutter); }
a { color: inherit; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .4em; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.6rem, 3.6vw, 2.4rem); max-width: 22ch; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .8em; }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .92em; }

.masthead { padding: 40px 0 24px; border-bottom: 1px solid var(--grid); }
.eyebrow { color: var(--ink-2); text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; margin-bottom: .6em; }
.lede { color: var(--ink-2); max-width: 70ch; }
.meta { color: var(--muted); font-size: .85rem; }

.headline { padding: 28px 0 8px; }
.question { max-width: 78ch; color: var(--ink-2); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 18px 0 10px; }
.tile {
  background: var(--surface); border: 1px solid var(--ring); border-radius: var(--radius);
  padding: 12px 14px; min-height: 84px;
}
.tile .label { color: var(--ink-2); font-size: .82rem; }
.tile .value { font-size: 1.7rem; font-weight: 650; letter-spacing: -0.02em; line-height: 1.1; margin-top: 4px; }
.tile .value.small { font-size: 1.15rem; }
.tile .sub { color: var(--muted); font-size: .8rem; margin-top: 4px; }
.tile.verdict .value { font-size: 1.15rem; }
.status { color: var(--ink-2); font-size: .92rem; }
.status .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); margin-right: 6px; vertical-align: baseline; }
.status .dot.live { background: var(--good); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.panel { background: var(--surface); border: 1px solid var(--ring); border-radius: var(--radius); padding: 18px 18px 14px; margin: 18px 0; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.caption { color: var(--ink-2); font-size: .9rem; max-width: 80ch; }
.controls { display: flex; gap: 8px; flex-wrap: wrap; }
.toggle, .chip {
  font: inherit; font-size: .82rem; color: var(--ink-2); background: transparent; border: 1px solid var(--ring);
  border-radius: 999px; padding: 4px 10px; cursor: pointer;
}
.toggle[aria-pressed="true"], .chip[aria-pressed="true"] { color: var(--ink); border-color: var(--ink-2); font-weight: 600; }

.chart { margin: 8px 0 0; position: relative; outline: none; }
.chart svg { width: 100%; height: auto; display: block; }
.chart:focus-visible { box-shadow: 0 0 0 2px var(--s1); border-radius: 6px; }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .axis line, .chart .axis path { stroke: var(--axis); stroke-width: 1; fill: none; }
.chart .tick text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .axis-title { fill: var(--ink-2); font-size: 11px; }
.chart .series path { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .series.s1 path { stroke: var(--s1); }
.chart .series.s2 path { stroke: var(--s2); }
.chart .series.s3 path { stroke: var(--s3); }
.chart .series.projected path { stroke-dasharray: 3 5; opacity: .7; }
.chart .end-label { font-size: 11px; font-weight: 600; fill: var(--ink); }
.chart .end-dot { stroke: var(--surface); stroke-width: 2; }
.chart .end-dot.s1 { fill: var(--s1); } .chart .end-dot.s2 { fill: var(--s2); } .chart .end-dot.s3 { fill: var(--s3); }
.chart .crosshair { stroke: var(--axis); stroke-width: 1; stroke-dasharray: 2 3; pointer-events: none; }
.chart .marker { stroke: var(--surface); stroke-width: 2; pointer-events: none; }
.chart .marker.s1 { fill: var(--s1); } .chart .marker.s2 { fill: var(--s2); } .chart .marker.s3 { fill: var(--s3); }
.chart .breakeven line { stroke: var(--ink-2); stroke-width: 1; stroke-dasharray: 4 4; }
.chart .breakeven text { fill: var(--ink-2); font-size: 11px; }
.chart .hit { fill: transparent; }
.tooltip {
  position: absolute; pointer-events: none; background: var(--surface); color: var(--ink);
  border: 1px solid var(--ring); border-radius: 8px; padding: 8px 10px; font-size: .82rem;
  box-shadow: 0 6px 20px rgba(0,0,0,.12); min-width: 170px; transform: translate(-50%, 0);
}
.tooltip .t-head { color: var(--ink-2); margin-bottom: 4px; }
.tooltip .row { display: flex; align-items: center; gap: 8px; font-variant-numeric: tabular-nums; }
.tooltip .row .key { width: 14px; height: 2px; border-radius: 1px; display: inline-block; }
.tooltip .row .key.s1 { background: var(--s1); } .tooltip .row .key.s2 { background: var(--s2); } .tooltip .row .key.s3 { background: var(--s3); }
.tooltip .row strong { margin-left: auto; }
.tooltip .row .name { color: var(--ink-2); }

.legend { display: flex; gap: 16px; flex-wrap: wrap; margin: 8px 0 0; font-size: .85rem; color: var(--ink-2); }
.legend .item { display: inline-flex; align-items: center; gap: 6px; }
.legend .key { width: 18px; height: 2px; border-radius: 1px; display: inline-block; }
.legend .key.s1 { background: var(--s1); } .legend .key.s2 { background: var(--s2); } .legend .key.s3 { background: var(--s3); }
.swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.swatch.s1 { background: var(--s1); } .swatch.s2 { background: var(--s2); } .swatch.s3 { background: var(--s3); }

.table-view { overflow-x: auto; margin-top: 10px; }
table { border-collapse: collapse; width: 100%; font-size: .88rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { color: var(--ink-2); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.arms { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.arm { border: 1px solid var(--ring); border-radius: 8px; padding: 12px 14px; }
.arm p { color: var(--ink-2); font-size: .9rem; margin: 0; }
.verdict-box { margin-top: 14px; border-top: 1px solid var(--grid); padding-top: 12px; }
.verdict-box .lines { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 6px 18px; font-size: .9rem; }
.verdict-box .lines div { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px dotted var(--grid); padding: 3px 0; }
.verdict-box .lines span:last-child { font-variant-numeric: tabular-nums; }
.pred { display: inline-flex; align-items: center; gap: 6px; margin: 4px 10px 4px 0; font-size: .85rem; }
.pred .mark { width: 16px; height: 16px; border-radius: 50%; display: inline-grid; place-items: center; font-size: 11px; color: #fff; }
.pred .mark.pass { background: var(--good); } .pred .mark.fail { background: var(--critical); } .pred .mark.na { background: var(--muted); }

.ledger { display: grid; gap: 10px; margin-top: 8px; }
.exp { border: 1px solid var(--ring); border-radius: 8px; padding: 12px 14px; display: grid; grid-template-columns: 1fr auto; gap: 4px 14px; }
.exp h3 { margin: 0; font-size: .98rem; }
.exp .fam { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.exp .q { color: var(--ink-2); font-size: .9rem; margin: 2px 0 0; grid-column: 1 / -1; }
.exp .means { font-size: .9rem; margin: 4px 0 0; grid-column: 1 / -1; }
.exp .nums { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 4px 14px; color: var(--ink-2); font-size: .82rem; font-variant-numeric: tabular-nums; }
.exp .nums b { color: var(--ink); font-weight: 600; }
.exp .date { color: var(--muted); font-size: .8rem; text-align: right; white-space: nowrap; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: .76rem; font-weight: 650; letter-spacing: .02em; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--ring); white-space: nowrap; justify-self: end; }
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.badge.supported::before, .badge.positive::before { background: var(--good); }
.badge.not-supported::before, .badge.negative::before { background: var(--critical); }
.badge.uninformative::before, .badge.mixed::before { background: var(--warning); }
.badge.not-evaluable::before, .badge.incomplete::before { background: var(--serious); }
.badge.declared::before, .badge.no-result::before { background: var(--muted); }

.estimator .fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin-bottom: 8px; }
.estimator label { display: flex; flex-direction: column; gap: 4px; font-size: .85rem; color: var(--ink-2); }
.estimator input[type=number], .estimator textarea {
  font: inherit; color: var(--ink); background: var(--page); border: 1px solid var(--ring); border-radius: 6px; padding: 6px 8px; width: 100%;
}
.paste summary { cursor: pointer; color: var(--ink-2); font-size: .9rem; }
.paste p { color: var(--muted); font-size: .85rem; }

.labels { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; font-size: .92rem; }
.labels dt { font-weight: 650; }
.labels dd { margin: 0; color: var(--ink-2); }
.foot { color: var(--muted); font-size: .82rem; padding: 20px 0 40px; }
@media (max-width: 640px) {
  .labels { grid-template-columns: 1fr; }
  .exp { grid-template-columns: 1fr; }
  .exp .date, .badge { justify-self: start; text-align: left; }
}