:root {
  --paper: #ffffff;
  --ink: #111111;
  --ink-2: #555555;
  --ink-3: #767676;
  --rule: #111111;
  --rule-soft: #e2e2e2;
  --wash: #f4f4f2;
  --blue: #1f3fd9;
  --hue: #c2410c;
  --sans: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --side: 290px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.5 var(--sans); }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
h1, h2, h3 { font-weight: 700; letter-spacing: -0.01em; line-height: 1.15; }
h1 { font-size: 2rem; margin: 0 0 0.75rem; }
h2 { font-size: 1.35rem; margin: 0 0 0.35rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 0.4rem; }
p { margin: 0 0 0.8rem; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-2); }
.small { font-size: 0.85rem; }

.layout { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); gap: 0 40px; max-width: 1360px; margin: 0 auto; padding: 24px 24px 64px; }
.side-inner { position: sticky; top: calc(var(--appnav-h, 48px) + 16px); max-height: calc(100vh - var(--appnav-h, 48px) - 32px); overflow-y: auto; padding-right: 4px; }
.stamp { font-size: 0.85rem; color: var(--ink-2); border-top: 1px solid var(--rule); padding-top: 8px; margin-top: 12px; }
.controls { border-top: 1px solid var(--rule-soft); padding-top: 10px; margin-top: 8px; }
.controls label, .controls .lab { display: block; font-size: 0.8rem; color: var(--ink-2); margin: 8px 0 3px; }
.controls select, .controls input[type="search"] { width: 100%; font: inherit; font-size: 0.92rem; padding: 6px 8px; border: 1px solid var(--ink-3); border-radius: 3px; background: var(--paper); color: var(--ink); }
.toc { margin-top: 14px; border-top: 1px solid var(--rule-soft); padding-top: 10px; font-size: 0.9rem; }
.toc a { display: block; padding: 2px 0; color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--blue); text-decoration: underline; }

main { min-width: 0; }
main section { border-top: 2px solid var(--rule); padding: 14px 0 34px; }
main section:first-child { border-top: 0; padding-top: 0; }
.sec-note { color: var(--ink-2); max-width: 72ch; }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin: 6px 0 18px; }
.stat { border-top: 1px solid var(--rule); padding-top: 6px; }
.stat .big { font-size: 1.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .cap { font-size: 0.8rem; color: var(--ink-2); }

.toggle { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--ink-3); border-radius: 3px; overflow: hidden; margin: 4px 0; }
.toggle button { font: inherit; font-size: 0.82rem; border: 0; background: var(--paper); color: var(--ink); padding: 4px 10px; cursor: pointer; }
.toggle button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

/* Small multiples: one skills fingerprint per company */
.fp-key { font-size: 0.78rem; color: var(--ink-2); margin: 6px 0 10px; line-height: 1.6; }
.fp-key b { color: var(--ink); font-weight: 600; }
.fp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px 18px; margin-top: 8px; }
.fp { border-top: 1px solid var(--rule); padding-top: 5px; min-width: 0; }
.fp h3 { font-size: 0.9rem; margin: 0; display: flex; justify-content: space-between; gap: 6px; }
.fp h3 .n { font-weight: 400; color: var(--ink-3); font-size: 0.78rem; white-space: nowrap; }
.fp .ind { font-size: 0.72rem; color: var(--ink-3); line-height: 1.2; }
.fp svg { display: block; width: 100%; height: auto; margin-top: 4px; }
.fp .sim { font-size: 0.72rem; color: var(--ink-3); margin-top: 2px; line-height: 1.3; }
.fp.ref { border-top-color: var(--hue); }

.chart { width: 100%; margin-top: 10px; position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text, .fp text { font-family: var(--sans); fill: var(--ink-2); font-size: 11px; }
.chart .lbl { fill: var(--ink); font-size: 12px; }

/* Embedding map */
.map-wrap { position: relative; width: 100%; aspect-ratio: 1 / 0.82; max-height: 88vh; border: 1px solid var(--rule-soft); background: var(--paper); }
.map-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: crosshair; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 0.8rem; margin: 8px 0; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.pick { border-left: 3px solid var(--hue); background: var(--wash); padding: 10px 12px; margin-top: 10px; font-size: 0.9rem; }
.pick h3 { margin: 0 0 4px; font-size: 1rem; }
.pick .chips { margin-top: 6px; }
.chip { display: inline-block; font-size: 0.75rem; border: 1px solid var(--rule-soft); background: var(--paper); border-radius: 2px; padding: 0 5px; margin: 0 4px 4px 0; }
.pick ol { margin: 6px 0 0; padding-left: 1.2rem; }
.facets { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-top: 10px; }
.facet { min-width: 0; }
.facet canvas { width: 100%; aspect-ratio: 1 / 0.82; display: block; border: 1px solid var(--rule-soft); }
.facet .cap { font-size: 0.8rem; margin-top: 3px; }
.facet .cap span { color: var(--ink-3); }

table.list { width: 100%; border-collapse: collapse; font-size: 0.86rem; margin-top: 8px; }
table.list th { text-align: left; font-weight: 600; font-size: 0.76rem; color: var(--ink-2); border-bottom: 1px solid var(--rule); padding: 4px 6px 4px 0; vertical-align: bottom; }
table.list td { border-bottom: 1px solid var(--rule-soft); padding: 4px 6px 4px 0; vertical-align: top; }
table.list td.r, table.list th.r { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.dist { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px 22px; margin-top: 10px; }
.dist .card { border-top: 1px solid var(--rule); padding-top: 6px; font-size: 0.88rem; }
.dist .card h3 { margin: 0 0 4px; font-size: 0.95rem; }
.dist .term { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--rule-soft); padding: 1px 0; }
.dist .term .s { color: var(--ink-3); font-variant-numeric: tabular-nums; white-space: nowrap; font-size: 0.8rem; }
.dist blockquote { margin: 6px 0 0; font-size: 0.82rem; color: var(--ink-2); border-left: 2px solid var(--rule-soft); padding-left: 8px; }
.dist .sk { margin-top: 6px; font-size: 0.8rem; color: var(--ink-2); }

#co-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 4px 24px; }
.co-ind h3 { margin: 10px 0 2px; font-size: 0.9rem; }
.co-ind p { font-size: 0.86rem; margin: 0; }
.rules { font-size: 0.85rem; }
.rules code { font-family: var(--mono); font-size: 0.76rem; word-break: break-word; color: var(--ink); }
details { margin-top: 10px; }
summary { cursor: pointer; font-weight: 600; }
.sources ol { padding-left: 1.2rem; font-size: 0.88rem; }
.sources li { margin-bottom: 6px; }
.empty { background: var(--wash); padding: 10px 12px; border-left: 3px solid var(--hue); max-width: 72ch; font-size: 0.9rem; }

#tip { position: fixed; z-index: 4000; pointer-events: none; max-width: 300px; background: var(--ink); color: var(--paper); font-size: 0.8rem; line-height: 1.35; padding: 6px 8px; border-radius: 3px; opacity: 0; transition: opacity 0.08s; }
#tip.on { opacity: 1; }

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 16px 16px 48px; }
  .side-inner { position: static; max-height: none; overflow: visible; }
  .toc { display: none; }
  main { margin-top: 18px; }
  h1 { font-size: 1.65rem; }
  .map-wrap { aspect-ratio: 1 / 1; }
}
@media (max-width: 600px) {
  .fp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .facets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  table.list .hide-sm { display: none; }
}