:root {
    color-scheme: light;
    --bg: #f4efe5;
    --surface: #fffdf9;
    --surface-2: #eae0cb;
    --border: #dacdb0;
    --ink: #1f1a38;
    --ink-2: #4b4566;
    --ink-muted: #8b84a0;
    --accent: #4e878c;
    --accent-strong: #35646a;
    --accent-soft: #dcecec;
    --accent-soft-ink: #2c5559;
    --shadow: 0 1px 2px rgba(31,26,56,0.06), 0 6px 20px rgba(31,26,56,0.08);

    --chart-surface: #fffdf9;
    --chart-grid: #e4d9c2;
    --chart-axis: #c6b89e;
    --chart-text: #1f1a38;
    --chart-text-2: #4b4566;
    --chart-text-muted: #8b84a0;

    --c-blue: #2a78d6;
    --c-orange: #eb6834;
    --c-aqua: #1baf7a;
    --c-yellow: #eda100;
    --c-violet: #4a3aa7;
    --c-red: #bf4342;
    --c-gray: #8b84a0;
    --c-pink: #e87ba4;
  }
  @media (prefers-color-scheme: dark) {
    :root:where(:not([data-theme="light"])) {
      color-scheme: dark;
      --bg: #000000;
      --surface: #1f1a38;
      --surface-2: #2a2348;
      --border: #3a3260;
      --ink: #f4efe5;
      --ink-2: #c9bfd6;
      --ink-muted: #8b84a0;
      --accent: #6baeb3;
      --accent-strong: #8fc4c8;
      --accent-soft: #1f3a3c;
      --accent-soft-ink: #8fc4c8;
      --shadow: 0 1px 2px rgba(0,0,0,0.5), 0 8px 24px rgba(0,0,0,0.6);

      --chart-surface: #1f1a38;
      --chart-grid: #3a3260;
      --chart-axis: #4b4566;
      --chart-text: #f4efe5;
      --chart-text-2: #c9bfd6;
      --chart-text-muted: #8b84a0;

      --c-blue: #3987e5;
      --c-orange: #d95926;
      --c-aqua: #199e70;
      --c-yellow: #c98500;
      --c-violet: #9085e9;
      --c-red: #d9605f;
      --c-gray: #8b84a0;
      --c-pink: #d55181;
    }
  }
  :root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #000000;
    --surface: #1f1a38;
    --surface-2: #2a2348;
    --border: #3a3260;
    --ink: #f4efe5;
    --ink-2: #c9bfd6;
    --ink-muted: #8b84a0;
    --accent: #6baeb3;
    --accent-strong: #8fc4c8;
    --accent-soft: #1f3a3c;
    --accent-soft-ink: #8fc4c8;
    --shadow: 0 1px 2px rgba(0,0,0,0.5), 0 8px 24px rgba(0,0,0,0.6);
    --chart-surface: #1f1a38;
    --chart-grid: #3a3260;
    --chart-axis: #4b4566;
    --chart-text: #f4efe5;
    --chart-text-2: #c9bfd6;
    --chart-text-muted: #8b84a0;
    --c-blue: #3987e5;
    --c-orange: #d95926;
    --c-aqua: #199e70;
    --c-yellow: #c98500;
    --c-violet: #9085e9;
    --c-red: #d9605f;
    --c-gray: #8b84a0;
    --c-pink: #d55181;
  }
  :root[data-theme="light"] {
    color-scheme: light;
    --bg: #f4efe5;
    --surface: #fffdf9;
    --surface-2: #eae0cb;
    --border: #dacdb0;
    --ink: #1f1a38;
    --ink-2: #4b4566;
    --ink-muted: #8b84a0;
    --accent: #4e878c;
    --accent-strong: #35646a;
    --accent-soft: #dcecec;
    --accent-soft-ink: #2c5559;
    --chart-surface: #fffdf9;
    --chart-grid: #e4d9c2;
    --chart-axis: #c6b89e;
    --chart-text: #1f1a38;
    --chart-text-2: #4b4566;
    --chart-text-muted: #8b84a0;
    --c-blue: #2a78d6;
    --c-orange: #eb6834;
    --c-aqua: #1baf7a;
    --c-yellow: #eda100;
    --c-violet: #4a3aa7;
    --c-red: #bf4342;
    --c-gray: #8b84a0;
    --c-pink: #e87ba4;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }
  @media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  }

  .page { max-width: 940px; margin: 0 auto; padding: 56px 24px 96px; }

  .font-display {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
    font-weight: 700; letter-spacing: -0.01em;
  }
  .font-mono {
    font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  }
  .tnum { font-variant-numeric: tabular-nums; }

  /* ---------- masthead ---------- */
  .masthead { display: flex; flex-direction: column; gap: 18px; margin-bottom: 56px; }
  .eyebrow {
    font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--accent-strong); font-weight: 600;
  }
  h1.title {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
    font-weight: 750; letter-spacing: -0.02em; font-size: 44px; line-height: 1.08; margin: 0;
    text-wrap: balance; color: var(--ink);
  }
  .dek {
    max-width: 62ch; color: var(--ink-2); font-size: 16.5px; line-height: 1.6; margin: 0;
  }

  .kpi-row {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
    background: var(--border); border: 1px solid var(--border); border-radius: 10px;
    overflow: hidden; margin-top: 8px;
  }
  .kpi {
    background: var(--surface); padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 6px;
  }
  .kpi-value {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
    font-weight: 650; font-size: 27px; color: var(--ink); font-variant-numeric: proportional-nums;
  }
  .kpi-label { font-size: 12.5px; color: var(--ink-muted); }
  @media (max-width: 700px) {
    .kpi-row { grid-template-columns: repeat(2, 1fr); }
  }

  /* ---------- sections ---------- */
  section.finding { margin-bottom: 64px; }
  .finding-head { max-width: 66ch; margin-bottom: 20px; }
  h2.finding-title {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
    font-weight: 700; letter-spacing: -0.01em; font-size: 25px; margin: 0 0 8px; color: var(--ink); text-wrap: balance;
  }
  .finding-note { color: var(--ink-2); font-size: 14.5px; margin: 0; }
  .finding-note code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px;
    padding: 1px 5px; font-size: 12.5px; color: var(--accent-strong);
  }
  .caveat {
    display: flex; gap: 8px; align-items: flex-start; margin-top: 10px; padding: 10px 12px;
    background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
    font-size: 13px; color: var(--ink-2);
  }
  .caveat .dot { color: var(--c-red); flex: none; margin-top: 1px; }

  .card {
    background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
    box-shadow: var(--shadow); padding: 22px 22px 18px;
  }
  .card-scroll { overflow-x: auto; }

  /* ---------- bar chart (horizontal) ---------- */
  .barchart { display: flex; flex-direction: column; gap: 2px; }
  .barrow {
    display: grid; grid-template-columns: 200px 1fr 64px; align-items: center; gap: 10px;
    padding: 5px 4px; border-radius: 6px; cursor: default;
  }
  .barrow.clickable { cursor: pointer; }
  .barrow:hover, .barrow:focus-visible { background: var(--surface-2); }
  .barrow:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
  .barrow .rowlabel {
    font-size: 13px; color: var(--chart-text); text-align: right; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap;
  }
  .barrow .rowlabel .sub { color: var(--chart-text-muted); font-size: 11.5px; display: block; }
  .barrow .track { position: relative; height: 20px; background: transparent; }
  .barrow .fill {
    position: absolute; top: 2px; bottom: 2px; left: 0; border-radius: 0 4px 4px 0;
    transition: filter .12s ease;
  }
  .barrow:hover .fill, .barrow:focus-visible .fill { filter: brightness(1.08); }
  .barrow .rowvalue {
    font-size: 12.5px; color: var(--chart-text-2); font-variant-numeric: tabular-nums; text-align: right;
  }
  .barrow.muted .fill { background: var(--chart-text-muted) !important; opacity: .55; }
  .barrow.muted .rowlabel { color: var(--chart-text-muted); font-style: italic; }
  .barrow.flagged .rowlabel::after {
    content: "boilerplate"; margin-left: 6px; font-size: 10px; letter-spacing: .03em; text-transform: uppercase;
    color: var(--c-red); border: 1px solid currentColor; border-radius: 3px; padding: 0 4px; opacity: .8;
  }

  .expand-panel {
    margin: 2px 0 8px; padding: 10px 14px; background: var(--accent-soft);
    border-radius: 8px; font-size: 13px; color: var(--accent-soft-ink); display: none;
  }
  .expand-panel.open { display: block; }
  .expand-panel .ex-title { font-style: italic; margin-top: 4px; }
  .expand-panel .ex-title:first-of-type { margin-top: 2px; }

  @media (max-width: 640px) {
    .barrow { grid-template-columns: 108px 1fr 46px; }
    .barrow .rowlabel { font-size: 12px; }
  }

  /* ---------- wrap-labels variant: full label on its own line, bar below ----------
     Used where labels are full sentences rather than short category names (e.g. the
     k-SAE theme chart) — truncating those to one line loses the point of the label. */
  .barchart.wrap-labels { gap: 0; max-height: 420px; overflow-y: auto; }
  .barchart.scrollable { max-height: 420px; overflow-y: auto; }
  .barchart.wrap-labels .barrow {
    grid-template-columns: 1fr 64px;
    grid-template-areas: "label label" "track value";
    row-gap: 8px;
    padding: 14px 8px;
  }
  .barchart.wrap-labels .barrow + .barrow { border-top: 1px solid var(--border); }
  .barchart.wrap-labels .rowlabel {
    grid-area: label; text-align: left; white-space: normal; overflow: visible;
    text-overflow: clip; line-height: 1.45; font-size: 14px;
  }
  .barchart.wrap-labels .track { grid-area: track; }
  .barchart.wrap-labels .rowvalue { grid-area: value; }
  .barchart.wrap-labels .barrow.flagged .rowlabel::after { margin-left: 8px; }

  /* ---------- pie chart ---------- */
  .pie-wrap { display: flex; align-items: center; gap: 36px; flex-wrap: wrap; }
  .pie-chart { flex: none; }
  .pie-chart svg { display: block; }
  .pie-chart path { transition: opacity .12s ease; }
  .pie-chart path:hover, .pie-chart path:focus-visible { opacity: .82; outline: none; }
  .pie-legend { display: flex; flex-direction: column; gap: 10px; min-width: 220px; flex: 1; }
  .pie-legend-row { display: flex; align-items: baseline; gap: 9px; }
  .pie-legend-swatch { width: 11px; height: 11px; border-radius: 3px; flex: none; margin-top: 2px; }
  .pie-legend-text { font-size: 13.5px; color: var(--chart-text); line-height: 1.4; }
  .pie-legend-text strong { font-weight: 600; }
  .pie-legend-meta { color: var(--chart-text-2); }
  @media (max-width: 560px) {
    .pie-wrap { gap: 24px; }
  }

  .pie-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
  @media (max-width: 620px) { .pie-grid { grid-template-columns: 1fr; } }
  .pie-grid-title {
    margin: 0 0 12px; font-size: 13px; text-transform: uppercase; letter-spacing: .05em;
    color: var(--chart-text-2); font-weight: 700;
  }
  .pie-grid-col .pie-wrap { gap: 20px; }
  .pie-grid-col .pie-legend { min-width: 0; gap: 6px; }
  .pie-grid-col .pie-legend-text { font-size: 12.5px; }

  /* ---------- entity explorer ---------- */
  .tabs { display: flex; gap: 4px; margin-bottom: 14px; }
  .tab {
    font: inherit; font-size: 13.5px; font-weight: 600; padding: 7px 14px; border-radius: 999px;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--ink-2); cursor: pointer;
  }
  .tab[aria-selected="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-soft-ink); }
  .search-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
  .search-input {
    flex: 1; font: inherit; font-size: 14px; padding: 9px 12px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--ink);
  }
  .search-input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
  .search-meta { font-size: 12.5px; color: var(--ink-muted); white-space: nowrap; }
  .entity-list { display: flex; flex-direction: column; gap: 1px; max-height: 420px; overflow-y: auto; }
  .entity-row {
    display: grid; grid-template-columns: 1fr 140px 40px; align-items: center; gap: 10px; padding: 6px 6px;
    border-radius: 6px;
  }
  .entity-row:hover { background: var(--surface-2); }
  .entity-name { font-size: 13.5px; color: var(--chart-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .entity-bar-track { position: relative; height: 14px; }
  .entity-bar-fill { position: absolute; top: 1px; bottom: 1px; left: 0; border-radius: 0 3px 3px 0; }
  .entity-n { font-size: 12px; color: var(--chart-text-2); text-align: right; font-variant-numeric: tabular-nums; }
  .entity-empty { padding: 24px 8px; text-align: center; color: var(--ink-muted); font-size: 13.5px; }

  /* ---------- sentiment small multiples ---------- */
  .sentiment-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 16px; }
  .sentiment-toggle button {
    font: inherit; font-size: 12.5px; font-weight: 600; padding: 6px 12px; border: none; cursor: pointer;
    background: var(--surface-2); color: var(--ink-2);
  }
  .sentiment-toggle button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-soft-ink); }
  .sm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
  @media (max-width: 620px) { .sm-grid { grid-template-columns: 1fr; } }
  .sm-panel h3 {
    margin: 0 0 12px; font-size: 13px; text-transform: uppercase; letter-spacing: .05em;
    color: var(--chart-text-2); font-weight: 700;
  }
  .sm-bars { display: flex; align-items: flex-end; gap: 14px; height: 160px; padding-bottom: 22px; position: relative; }
  .sm-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; position: relative; }
  .sm-bar { width: 100%; max-width: 56px; border-radius: 4px 4px 0 0; position: relative; cursor: default; }
  .sm-bar-value { font-size: 12px; font-weight: 700; color: var(--chart-text); margin-bottom: 4px; }
  .sm-bar-label { position: absolute; bottom: -20px; font-size: 11.5px; color: var(--chart-text-2); text-transform: capitalize; }

  /* ---------- diverging stacked (likert) ---------- */
  .likert { display: flex; flex-direction: column; gap: 3px; }
  .likert-row { display: grid; grid-template-columns: 200px 1fr; align-items: center; gap: 10px; padding: 4px; border-radius: 6px; }
  .likert-row:hover { background: var(--surface-2); }
  .likert-row.flagged .likert-label .main::after {
    content: "boilerplate"; margin-left: 6px; font-size: 10px; letter-spacing: .03em; text-transform: uppercase;
    color: var(--c-red); border: 1px solid currentColor; border-radius: 3px; padding: 0 4px; opacity: .8;
  }
  .likert-label { font-size: 12.5px; text-align: right; color: var(--chart-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .likert-label .n { color: var(--chart-text-muted); }
  .likert-track { position: relative; height: 18px; background: var(--chart-grid); border-radius: 3px; overflow: hidden; }
  .likert-seg { position: absolute; top: 0; bottom: 0; }
  .likert-axis { display: grid; grid-template-columns: 200px 1fr; gap: 10px; margin-top: 6px; }
  .likert-axis-inner { display: flex; justify-content: space-between; font-size: 11px; color: var(--chart-text-muted); }
  @media (max-width: 640px) {
    .likert-row, .likert-axis { grid-template-columns: 108px 1fr; }
    .likert-label { font-size: 11.5px; }
  }

  .legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 14px; font-size: 12.5px; color: var(--chart-text-2); }
  .legend-item { display: flex; align-items: center; gap: 6px; }
  .legend-swatch { width: 10px; height: 10px; border-radius: 2px; }

  /* ---------- tooltip ---------- */
  #tooltip {
    position: fixed; pointer-events: none; z-index: 50; background: var(--ink); color: var(--bg);
    font-size: 12.5px; line-height: 1.45; padding: 8px 10px; border-radius: 7px; max-width: 260px;
    box-shadow: 0 6px 20px rgba(0,0,0,.25); opacity: 0; transform: translateY(2px);
    transition: opacity .1s ease, transform .1s ease;
  }
  #tooltip.show { opacity: 1; transform: translateY(0); }
  #tooltip .tt-value { font-weight: 700; }
  #tooltip .tt-label { color: var(--ink-muted); }

  footer.colophon {
    margin-top: 72px; padding-top: 22px; border-top: 1px solid var(--border);
    font-size: 12.5px; color: var(--ink-muted); max-width: 66ch;
  }
  footer.colophon p { margin: 0 0 8px; }

  /* ---------- site nav ---------- */
  .sitenav {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 16px 0; margin-bottom: 40px; border-bottom: 1px solid var(--border);
  }
  .sitenav-brand {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
    font-size: 16px; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -0.01em;
  }
  .sitenav-right { display: flex; align-items: center; gap: 10px; }
  .sitenav-links { display: flex; gap: 4px; }
  .sitenav-links a {
    font-size: 13.5px; font-weight: 600; color: var(--ink-2); text-decoration: none;
    padding: 6px 12px; border-radius: 999px;
  }
  .sitenav-links a:hover { background: var(--surface-2); color: var(--ink); }
  .sitenav-links a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-soft-ink); }
  .sitenav-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

  .theme-toggle {
    display: inline-flex; align-items: center; justify-content: center; flex: none;
    width: 32px; height: 32px; border-radius: 999px; border: 1px solid var(--border);
    background: var(--surface-2); color: var(--ink-2); cursor: pointer; padding: 0;
  }
  .theme-toggle:hover { background: var(--border); color: var(--ink); }
  .theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
  .theme-icon { display: none; }
  :root[data-theme="light"] .theme-icon-sun,
  :root:not([data-theme]) .theme-icon-sun { display: block; }
  :root[data-theme="dark"] .theme-icon-moon { display: block; }

  /* ---------- home: quick links (page nav + raw data downloads) ---------- */
  .link-row { display: flex; flex-wrap: wrap; gap: 10px; }
  .link-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 16px; border-radius: 999px; border: 1px solid var(--border);
    background: var(--surface); color: var(--ink); text-decoration: none;
    font-size: 13.5px; font-weight: 600; transition: border-color .12s ease, background .12s ease;
  }
  .link-btn svg { flex: none; color: var(--accent); }
  .link-btn:hover { border-color: var(--accent); background: var(--surface-2); }
  .link-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  .link-btn .file-name {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px; color: var(--accent-strong);
  }

  /* ---------- single-panel sentiment layout ---------- */
  .sm-grid.single { grid-template-columns: minmax(0, 320px); }