:root {
    color-scheme: light;
    --plane:        #f6f7f9;
    --surface:      #fcfcfb;
    --ink:          #0b0b0b;
    --ink-2:        #52514e;
    --muted:        #767470;   /* ≥4.5:1 on --plane; eyebrows/axis labels stay readable */
    --grid:         #e1e0d9;
    --axis:         #c3c2b7;
    --ring:         rgba(11,11,11,0.10);
    --ring-strong:  rgba(11,11,11,0.18);
    --up:           #2a78d6;
    --down:         #e34948;
    --flat:         #898781;
    --context:      #b4b3ac;
    --nat:          #6f6e69;
    --wash:         rgba(42,120,214,0.08);
    --shadow:       0 1px 2px rgba(11,11,11,0.04), 0 8px 24px -16px rgba(11,11,11,0.18);

    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
    --sans: system-ui, -apple-system, "Segoe UI", sans-serif;

    --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px;
    --s6: 32px; --s7: 48px; --s8: 72px;
  }
  @media (prefers-color-scheme: dark) {
    :root:where(:not([data-theme="light"])) {
      color-scheme: dark;
      --plane:       #0e1014;
      --surface:     #1a1a19;
      --ink:         #ffffff;
      --ink-2:       #c3c2b7;
      --muted:       #898781;
      --grid:        #2c2c2a;
      --axis:        #383835;
      --ring:        rgba(255,255,255,0.10);
      --ring-strong: rgba(255,255,255,0.20);
      --up:          #3987e5;
      --down:        #e66767;
      --flat:        #898781;
      --context:     #5a5a54;
      --nat:         #9d9c94;
      --wash:        rgba(57,135,229,0.12);
      --shadow:      0 1px 2px rgba(0,0,0,0.4), 0 8px 24px -16px rgba(0,0,0,0.8);
    }
  }
  :root[data-theme="dark"] {
    color-scheme: dark;
    --plane:       #0e1014;
    --surface:     #1a1a19;
    --ink:         #ffffff;
    --ink-2:       #c3c2b7;
    --muted:       #898781;
    --grid:        #2c2c2a;
    --axis:        #383835;
    --ring:        rgba(255,255,255,0.10);
    --ring-strong: rgba(255,255,255,0.20);
    --up:          #3987e5;
    --down:        #e66767;
    --flat:        #898781;
    --context:     #5a5a54;
    --nat:         #9d9c94;
    --wash:        rgba(57,135,229,0.12);
    --shadow:      0 1px 2px rgba(0,0,0,0.4), 0 8px 24px -16px rgba(0,0,0,0.8);
  }

  * { box-sizing: border-box; }

  body {
    margin: 0;
    background: var(--plane);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }

  .wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: var(--s7) var(--s5) var(--s8);
    display: flex;
    flex-direction: column;
    gap: var(--sec-gap);
  }

  .eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0;
  }

  /* ---------- sex tabs ---------- */
  .sexbar {
    display: inline-flex;
    align-self: flex-start;
    gap: 2px;
    padding: 3px;
    border: 1px solid var(--ring-strong);
    border-radius: 999px;
    background: var(--surface);
    margin-bottom: var(--s2);
  }
  button.sextab {
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--ink-2);
    background: transparent;
    border: 0;
    border-radius: 999px;
    padding: 7px 24px;
    cursor: pointer;
  }
  button.sextab:hover { color: var(--ink); }
  button.sextab[aria-selected="true"] {
    background: var(--ink);
    color: var(--surface);
  }
  button.sextab:focus-visible { outline: 2px solid var(--up); outline-offset: 3px; }

  /* ---------- masthead ---------- */
  .masthead { display: flex; flex-direction: column; gap: var(--s4); }
  .masthead h1 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(40px, 7vw, 76px);
    line-height: 1.02;
    letter-spacing: -0.015em;
    margin: 0;
    text-wrap: balance;
  }
  .masthead h1 em {
    font-style: italic;
    color: var(--up);
  }
  .lede {
    font-size: 18px;
    line-height: 1.6;
    color: var(--ink-2);
    max-width: 64ch;
    margin: 0;
  }
  .source-line {
    font-size: 13px;
    color: var(--muted);
    margin: 0;
    padding-top: var(--s3);
    border-top: 1px solid var(--ring);
  }
  .source-line a { color: inherit; text-underline-offset: 2px; }

  /* ---------- KPI row ---------- */
  .kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: var(--s3);
  }
  .kpi {
    background: var(--surface);
    border: 1px solid var(--ring);
    border-radius: 4px;
    padding: var(--s4) var(--s4) var(--s5);
    display: flex;
    flex-direction: column;
    gap: var(--s1);
    box-shadow: var(--shadow);
  }
  .kpi .k-val {
    font-family: var(--serif);
    font-size: 42px;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-top: var(--s2);
  }
  .kpi .k-val.num { font-variant-numeric: tabular-nums; }
  .kpi .k-note { font-size: 13px; color: var(--ink-2); line-height: 1.45; }

  /* ---------- sections ---------- */
  section { display: flex; flex-direction: column; gap: var(--s4); }
  .sec-head { display: flex; flex-direction: column; gap: var(--s2); }
  .sec-head h2 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(26px, 3.4vw, 36px);
    line-height: 1.12;
    letter-spacing: -0.01em;
    margin: 0;
    text-wrap: balance;
  }
  .sec-head p { margin: 0; color: var(--ink-2); max-width: 68ch; font-size: 15px; }

  .panel {
    background: var(--surface);
    border: 1px solid var(--ring);
    border-radius: 4px;
    padding: var(--s5);
    box-shadow: var(--shadow);
    position: relative;
  }
  .scroll-x { overflow-x: auto; }

  /* ---------- controls ---------- */
  .controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--s2);
    margin-bottom: var(--s4);
  }
  .controls .ctl-label {
    font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--muted);
    margin-right: var(--s1);
  }
  button.chip {
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-2);
    background: transparent;
    border: 1px solid var(--ring-strong);
    border-radius: 999px;
    padding: 5px 13px;
    cursor: pointer;
  }
  button.chip:hover { background: var(--wash); color: var(--ink); }
  button.chip[aria-pressed="true"] {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--surface);
  }
  button.chip:focus-visible,
  th.sortable:focus-visible {
    outline: 2px solid var(--up);
    outline-offset: 2px;
  }

  .sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
  }
  .find input {
    font-family: var(--serif);
    font-size: 14px;
    color: var(--ink);
    background: var(--plane);
    border: 1px solid var(--ring-strong);
    border-radius: 999px;
    padding: 5px 14px;
    width: 150px;
  }
  .find input::placeholder { font-family: var(--sans); font-size: 13px; color: var(--muted); }
  .find input:focus-visible { outline: 2px solid var(--up); outline-offset: 2px; }

  /* ---------- legend ---------- */
  .legend {
    display: flex; flex-wrap: wrap; gap: var(--s4);
    font-size: 13px; color: var(--ink-2);
    margin-left: auto;
  }
  .legend .item { display: flex; align-items: center; gap: 6px; }
  .legend .swatch {
    width: 18px; height: 3px; border-radius: 2px; display: inline-block;
  }
  .legend .arrow { font-size: 11px; }

  /* ---------- svg ---------- */
  svg { display: block; width: 100%; height: auto; }
  .ax-label { font-family: var(--sans); font-size: 12px; fill: var(--muted); }
  .ax-year  { font-family: var(--sans); font-size: 13px; fill: var(--ink-2); font-weight: 500; }
  .name-label {
    font-family: var(--serif);
    font-size: 14px;
    fill: var(--ink-2);
  }
  .name-label.on { fill: var(--ink); }
  .val-label {
    font-family: var(--sans); font-size: 12px;
    font-variant-numeric: tabular-nums; fill: var(--ink-2);
  }
  .gridline { stroke: var(--grid); stroke-width: 1; }
  .baseline { stroke: var(--axis); stroke-width: 1; }
  .crosshair { stroke: var(--axis); stroke-width: 1; stroke-dasharray: 3 3; }
  .series { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .hit { fill: none; stroke: transparent; stroke-width: 9; cursor: pointer; }

  /* ---------- tooltip ---------- */
  .tt {
    position: absolute;
    pointer-events: none;
    opacity: 0;
    background: var(--surface);
    border: 1px solid var(--ring-strong);
    border-radius: 4px;
    padding: 8px 11px;
    box-shadow: 0 4px 16px -4px rgba(0,0,0,0.25);
    font-size: 13px;
    line-height: 1.4;
    color: var(--ink);
    z-index: 5;
    max-width: 220px;
  }
  .tt .tt-name { font-family: var(--serif); font-size: 16px; }
  .tt .tt-row { color: var(--ink-2); font-variant-numeric: tabular-nums; }
  .tt .tt-delta { font-weight: 600; font-variant-numeric: tabular-nums; }

  /* ---------- small multiples ---------- */
  .sm-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--s5) var(--s4);
  }
  #cmp-sm { grid-template-columns: repeat(4, 1fr); }
  @media (max-width: 1000px) { .sm-grid, #cmp-sm { grid-template-columns: repeat(4, 1fr); } }
  @media (max-width: 620px)  { .sm-grid, #cmp-sm { grid-template-columns: repeat(2, 1fr); } }
  .sm-cell { display: flex; flex-direction: column; gap: 2px; }
  .sm-cell .sm-name { font-family: var(--serif); font-size: 17px; line-height: 1.2; }
  .sm-head {
    font-family: var(--sans); font-size: 11px; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase;
    margin: 0 0 var(--s4); color: var(--muted);
    display: flex; align-items: center; gap: var(--s2);
  }
  .sm-head .dot { width: 8px; height: 8px; border-radius: 999px; }
  .sm-note {
    margin: var(--s4) 0 0; font-size: 13.5px; color: var(--ink-2);
    max-width: 70ch; padding-left: var(--s3);
    border-left: 2px solid var(--grid);
  }
  .sm-note b { font-family: var(--serif); font-weight: 400; font-size: 15px; color: var(--ink); }
  .sm-cell .sm-sub {
    font-size: 12px; color: var(--ink-2);
    font-variant-numeric: tabular-nums;
    display: flex; align-items: center; gap: 5px;
  }

  /* ---------- churn ---------- */
  .churn { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--s5); }
  .churn h3 {
    font-family: var(--sans); font-size: 11px; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase;
    margin: 0 0 var(--s3); color: var(--muted);
    display: flex; align-items: center; gap: var(--s2);
  }
  .churn h3 .dot { width: 8px; height: 8px; border-radius: 999px; }
  .chips { display: flex; flex-wrap: wrap; gap: 6px; }
  .chips span {
    font-family: var(--serif);
    font-size: 15px;
    padding: 3px 10px;
    border: 1px solid var(--ring);
    border-radius: 3px;
    background: var(--plane);
  }

  /* ---------- table ---------- */
  .table-scroll { max-height: 560px; overflow: auto; }
  table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
  thead th {
    position: sticky; top: 0;
    background: var(--surface);
    text-align: right;
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--muted);
    padding: var(--s2) var(--s2) var(--s2);
    border-bottom: 1px solid var(--axis);
    white-space: nowrap;
  }
  thead th:first-child { text-align: left; }
  th.sortable { cursor: pointer; user-select: none; }
  th.sortable:hover { color: var(--ink); }
  th .caret { opacity: 0.45; font-size: 9px; }
  tbody td {
    text-align: right;
    padding: 5px var(--s2);
    border-bottom: 1px solid var(--grid);
    font-variant-numeric: tabular-nums;
    color: var(--ink-2);
    white-space: nowrap;
  }
  tbody td:first-child {
    text-align: left;
    font-family: var(--serif);
    font-size: 16px;
    color: var(--ink);
  }
  tbody tr:hover td { background: var(--wash); }
  td.pos { color: var(--up); font-weight: 600; }
  td.neg { color: var(--down); font-weight: 600; }
  td.dash { color: var(--muted); }

  /* ---------- notes ---------- */
  .notes { display: flex; flex-direction: column; gap: var(--s4); }
  .notes dl { margin: 0; display: flex; flex-direction: column; gap: var(--s4); }
  .notes dt {
    font-family: var(--serif); font-size: 18px; margin-bottom: 2px;
  }
  .notes dd { margin: 0; color: var(--ink-2); font-size: 15px; max-width: 70ch; }
  footer {
    border-top: 1px solid var(--ring);
    padding-top: var(--s4);
    font-size: 13px;
    color: var(--muted);
  }

  @media (prefers-reduced-motion: no-preference) {
    .series, .name-label, circle { transition: opacity 120ms ease, stroke 120ms ease, fill 120ms ease; }
  }
  @media (max-width: 640px) {
    :root { --sec-gap: 28px; }
    .wrap { padding: var(--s5) var(--s4) var(--s7); }
    .panel { padding: var(--s4) var(--s3); }
    .legend { margin-left: 0; }
  }

/* ================================================================
   namecharts additions — controls bar, shortlist, picker, landing
   ================================================================ */

:root {
  --sec-gap: 40px;           /* one vertical rhythm between every top-level block */
  --pin: #eb6834;            /* search-pin accent (categorical slot 2) */
  --sl-1: #2a78d6; --sl-2: #eb6834; --sl-3: #1baf7a; --sl-4: #eda100;
  --sl-5: #e87ba4; --sl-6: #008300; --sl-7: #4a3aa7; --sl-8: #e34948;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    --pin: #d95926;
    --sl-1: #3987e5; --sl-2: #d95926; --sl-3: #199e70; --sl-4: #c98500;
    --sl-5: #d55181; --sl-6: #008300; --sl-7: #9085e9; --sl-8: #e66767;
  }
}
:root[data-theme="dark"] {
  --pin: #d95926;
  --sl-1: #3987e5; --sl-2: #d95926; --sl-3: #199e70; --sl-4: #c98500;
  --sl-5: #d55181; --sl-6: #008300; --sl-7: #9085e9; --sl-8: #e66767;
}

/* ---------- masthead top row: picker ---------- */
.mast-top { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.mast-top .home-link {
  font-size: 13px; color: var(--muted); text-decoration: none;
  border: 1px solid var(--ring-strong); border-radius: 999px; padding: 6px 14px;
}
.mast-top .home-link:hover { color: var(--ink); background: var(--wash); }
.state-pick {
  margin-left: auto;
  font-family: var(--serif); font-size: 15px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--ring-strong);
  border-radius: 999px; padding: 6px 14px; cursor: pointer;
}
.state-pick:focus-visible { outline: 2px solid var(--up); outline-offset: 2px; }

/* ---------- global controls bar ---------- */
.ctlbar {
  display: flex; flex-wrap: wrap; gap: var(--s5) var(--s7);
  align-items: flex-end;
  background: var(--surface); border: 1px solid var(--ring);
  border-radius: 4px; padding: var(--s4) var(--s5); box-shadow: var(--shadow);
}
.ctl-group { display: flex; flex-direction: column; gap: var(--s2); }
.ctl-row { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.ctl-read {
  font-family: var(--serif); font-size: 17px; font-variant-numeric: tabular-nums;
  color: var(--ink); min-width: 7.5ch;
}

.dual { position: relative; width: 260px; height: 28px; }
.dual .track, .dual .fill {
  position: absolute; top: 12px; height: 4px; border-radius: 2px;
}
.dual .track { left: 0; right: 0; background: var(--grid); }
.dual .fill { background: var(--up); }
.dual input[type="range"] {
  position: absolute; inset: 0; width: 100%; margin: 0;
  -webkit-appearance: none; appearance: none; background: none;
  pointer-events: none; height: 28px;
}
.dual input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; pointer-events: auto;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--ink); border: 2.5px solid var(--surface);
  box-shadow: 0 0 0 1px var(--ring-strong); cursor: grab;
}
.dual input[type="range"]::-moz-range-thumb {
  pointer-events: auto; width: 12px; height: 12px; border-radius: 50%;
  background: var(--ink); border: 2.5px solid var(--surface);
  box-shadow: 0 0 0 1px var(--ring-strong); cursor: grab;
}
.dual input[type="range"]:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--up); outline-offset: 2px; }

input.n-slider {
  width: 200px; height: 28px; margin: 0;
  -webkit-appearance: none; appearance: none; background: none;
}
input.n-slider::-webkit-slider-runnable-track { height: 4px; border-radius: 2px; background: var(--grid); }
input.n-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; margin-top: -6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--ink); border: 2.5px solid var(--surface);
  box-shadow: 0 0 0 1px var(--ring-strong); cursor: grab;
}
input.n-slider::-moz-range-track { height: 4px; border-radius: 2px; background: var(--grid); }
input.n-slider::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--ink); border: 2.5px solid var(--surface);
  box-shadow: 0 0 0 1px var(--ring-strong); cursor: grab;
}
input.n-slider:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--up); outline-offset: 2px; }

.find-status { font-size: 12px; color: var(--muted); }
.find-status.miss { color: var(--down); }

/* ---------- shortlist ---------- */
.sl-entry { display: flex; align-items: center; gap: var(--s2); flex-wrap: wrap; }
.sl-entry input {
  font-family: var(--serif); font-size: 15px; color: var(--ink);
  background: var(--plane); border: 1px solid var(--ring-strong);
  border-radius: 999px; padding: 7px 16px; width: 210px;
}
.sl-entry input::placeholder { font-family: var(--sans); font-size: 13px; color: var(--muted); }
.sl-entry input:focus-visible { outline: 2px solid var(--up); outline-offset: 2px; }
.sl-chips { display: flex; flex-wrap: wrap; gap: var(--s2); margin-top: var(--s3); }
.sl-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--serif); font-size: 15px;
  border: 1px solid var(--ring-strong); border-radius: 999px;
  background: var(--plane); padding: 5px 8px 5px 12px;
}
.sl-chip .dot { width: 10px; height: 10px; border-radius: 999px; flex: none; }
.sl-chip .sexb {
  font-family: var(--sans); font-size: 11px; font-weight: 600; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--ring); border-radius: 999px;
  padding: 1px 7px; cursor: pointer;
}
.sl-chip .sexb:hover { color: var(--ink); }
.sl-chip .rm {
  font-family: var(--sans); font-size: 14px; color: var(--muted);
  background: none; border: 0; cursor: pointer; padding: 0 4px; line-height: 1;
}
.sl-chip .rm:hover { color: var(--down); }
.sl-verdicts { display: flex; flex-direction: column; gap: var(--s2); margin-top: var(--s4); }
.sl-verdict { display: flex; align-items: baseline; gap: 10px; font-size: 14px; color: var(--ink-2); }
.sl-verdict .dot { width: 9px; height: 9px; border-radius: 999px; flex: none; align-self: center; }
.sl-verdict b { font-family: var(--serif); font-weight: 400; font-size: 16px; color: var(--ink); min-width: 7ch; }
.sl-empty { color: var(--ink-2); font-size: 14px; padding: var(--s5) 0; max-width: 68ch; }

/* ---------- landing ---------- */
.grid-states {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: var(--s3);
}
.grid-states a {
  display: flex; flex-direction: column; gap: 3px;
  background: var(--surface); border: 1px solid var(--ring); border-radius: 4px;
  padding: var(--s4); text-decoration: none; box-shadow: var(--shadow);
}
.grid-states a:hover { background: var(--wash); border-color: var(--ring-strong); }
.grid-states .st-name { font-family: var(--serif); font-size: 18px; color: var(--ink); }
.grid-states .st-top { font-size: 12.5px; color: var(--ink-2); }

.loading { color: var(--muted); font-size: 15px; padding: var(--s7) 0; text-align: center; }

/* the tab panels stack their own children on the same rhythm as .wrap */
#panel-lists:not([hidden]),
#panel-compare:not([hidden]) {
  display: flex; flex-direction: column; gap: var(--sec-gap);
}
#panel-compare > .controls { margin-bottom: 0; }