/* ============================================================================
   BASIS-Bench project page — styles
   Color roles follow the validated reference palette (light + dark selected
   independently). Model colors are fixed per model across every chart.
   ========================================================================== */

:root {
  color-scheme: light;
  /* surfaces & ink */
  --page:        #f9f9f7;
  --surface-1:   #fcfcfb;
  --ink-1:       #0b0b0b;
  --ink-2:       #52514e;
  --ink-3:       #898781;
  --grid:        #e1e0d9;
  --axis:        #c3c2b7;
  --ring:        rgba(11, 11, 11, 0.10);
  --wash:        rgba(11, 11, 11, 0.045);
  --accent:      #2a78d6;
  --accent-ink:  #1c5cab;
  --pareto:      #5b8fb9;
  --gold-bg:     #eaf4ea;
  --gold-ink:    #006300;
  /* categorical slots — one per model, fixed */
  --m-qwen25:  #2a78d6;  /* blue    */
  --m-qwen3:   #eb6834;  /* orange  */
  --m-moss:    #1baf7a;  /* aqua    */
  --m-step:    #eda100;  /* yellow  */
  --m-af3:     #e87ba4;  /* magenta */
  --m-afnext:  #008300;  /* green   */
  --m-desta:   #4a3aa7;  /* violet  */
  --m-voxtral: #e34948;  /* red     */
  --shadow: 0 1px 2px rgba(11,11,11,.04), 0 8px 24px -12px rgba(11,11,11,.10);
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page:      #0d0d0d;
    --surface-1: #1a1a19;
    --ink-1:     #ffffff;
    --ink-2:     #c3c2b7;
    --ink-3:     #898781;
    --grid:      #2c2c2a;
    --axis:      #383835;
    --ring:      rgba(255, 255, 255, 0.10);
    --wash:      rgba(255, 255, 255, 0.06);
    --accent:    #3987e5;
    --accent-ink:#86b6ef;
    --pareto:    #6fa3cc;
    --gold-bg:   #12300f;
    --gold-ink:  #0ca30c;
    --m-qwen25:  #3987e5;
    --m-qwen3:   #d95926;
    --m-moss:    #199e70;
    --m-step:    #c98500;
    --m-af3:     #d55181;
    --m-afnext:  #008300;
    --m-desta:   #9085e9;
    --m-voxtral: #e66767;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page:      #0d0d0d;
  --surface-1: #1a1a19;
  --ink-1:     #ffffff;
  --ink-2:     #c3c2b7;
  --ink-3:     #898781;
  --grid:      #2c2c2a;
  --axis:      #383835;
  --ring:      rgba(255, 255, 255, 0.10);
  --wash:      rgba(255, 255, 255, 0.06);
  --accent:    #3987e5;
  --accent-ink:#86b6ef;
  --pareto:    #6fa3cc;
  --gold-bg:   #12300f;
  --gold-ink:  #0ca30c;
  --m-qwen25:  #3987e5;
  --m-qwen3:   #d95926;
  --m-moss:    #199e70;
  --m-step:    #c98500;
  --m-af3:     #d55181;
  --m-afnext:  #008300;
  --m-desta:   #9085e9;
  --m-voxtral: #e66767;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.5);
}

/* ---------------------------------------------------------------- base --- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink-1);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16.5px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.22; letter-spacing: -0.015em; }
h2 { font-size: 1.7rem; margin: 0 0 .35em; }
h3 { font-size: 1.15rem; margin: 1.6em 0 .5em; }
p { margin: .65em 0; }
section { padding: 56px 0 8px; }
/* divider between the page's major blocks */
.section-sep {
  max-width: 880px; margin: 64px auto 0; padding: 0 16px;
  display: flex; align-items: center; gap: 14px;
}
.section-sep::before, .section-sep::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(to right, transparent, var(--grid) 30%, var(--grid) 70%, transparent);
}
.section-sep span {
  width: 9px; height: 9px; flex: none; transform: rotate(45deg);
  background: var(--accent); border-radius: 2px; opacity: .85;
}
.muted { color: var(--ink-2); }
.small { font-size: .87rem; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88em;
  background: var(--wash);
  border-radius: 5px;
  padding: .1em .35em;
}

/* ------------------------------------------------------------- top bar --- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--page);
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--grid);
}
.topbar-inner {
  display: flex; align-items: center; gap: 14px;
  padding: 9px 16px; max-width: 1080px; margin: 0 auto;
}
.brand { font-weight: 700; font-size: .95rem; letter-spacing: .01em; }
.topnav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
.topnav a {
  color: var(--ink-2); font-size: .86rem; padding: 5px 9px; border-radius: 7px;
}
.topnav a:hover { background: var(--wash); text-decoration: none; color: var(--ink-1); }
.theme-btn {
  border: 1px solid var(--grid); background: var(--surface-1); color: var(--ink-2);
  border-radius: 8px; padding: 5px 9px; font-size: .86rem; cursor: pointer;
}
.theme-btn:hover { color: var(--ink-1); }

/* ---------------------------------------------------------------- hero --- */
.hero { text-align: center; padding: 64px 0 30px; }
.venue-badge {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .04em;
  color: var(--ink-2); border: 1px solid var(--grid); background: var(--surface-1);
  border-radius: 999px; padding: 4px 14px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(1.7rem, 4.4vw, 2.7rem); margin: 0 0 6px; }
.hero .subtitle {
  font-size: clamp(1.05rem, 2.6vw, 1.45rem);
  font-weight: 500; font-style: italic; color: var(--ink-2); margin: 0 0 22px;
}
.authors { color: var(--ink-2); font-size: 1rem; margin: 0 0 4px; }
.affil { color: var(--ink-3); font-size: .9rem; margin: 0 0 26px; }
.org-logo { display: inline-flex; align-items: center; padding-right: 14px; border-right: 1px solid var(--grid); }
.org-logo img { height: 15px; width: auto; display: block; }
.org-logo .logo-night { display: none; }
:root[data-theme="dark"] .org-logo .logo-day { display: none; }
:root[data-theme="dark"] .org-logo .logo-night { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .org-logo .logo-day { display: none; }
  :root:not([data-theme="light"]) .org-logo .logo-night { display: block; }
}
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--ink-1); color: var(--page);
  border-radius: 999px; padding: 9px 20px; font-size: .93rem; font-weight: 600;
  border: 1px solid transparent; transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); opacity: .88; }
.btn.secondary { background: var(--surface-1); color: var(--ink-1); border-color: var(--grid); }
.btn svg { width: 15px; height: 15px; fill: currentColor; }
.btn.tbd { opacity: .5; cursor: default; }
.btn.tbd:hover { transform: none; opacity: .5; }
.btn small { font-size: .72em; font-weight: 700; letter-spacing: .04em; opacity: .8; }

/* ---------------------------------------------------------------- tldr --- */
.tldr {
  background: var(--surface-1); border: 1px solid var(--grid);
  border-left: 4px solid var(--accent);
  border-radius: 12px; padding: 18px 22px; margin: 26px auto 0;
  box-shadow: var(--shadow); text-align: left;
}
.tldr strong.lead { color: var(--accent-ink); }

/* ------------------------------------------------------------ axis grid --- */
.abstract-box {
  border: 1px solid var(--grid); border-radius: 12px; background: var(--surface-1);
  margin: 18px 0; box-shadow: var(--shadow);
}
.abstract-box summary {
  cursor: pointer; padding: 12px 18px; font-weight: 600; color: var(--ink-1);
  list-style: none; display: flex; align-items: center; gap: 10px;
}
.abstract-box summary::-webkit-details-marker { display: none; }
.abstract-box summary::before {
  content: ""; width: 7px; height: 7px; flex: none;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(-45deg); transition: transform .15s ease;
}
.abstract-box[open] summary::before { transform: rotate(45deg); }
.abstract-box summary:hover { color: var(--accent-ink); }
.abstract-box p { margin: 0; padding: 0 18px 16px; }
.overview-fig { margin: 22px 0; text-align: center; }
.overview-fig img { width: 100%; max-width: 820px; height: auto; display: inline-block; }
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 22px 0; }
.axis-card {
  background: var(--surface-1); border: 1px solid var(--grid); border-radius: 12px;
  padding: 16px 18px; box-shadow: var(--shadow);
}
.axis-card .num {
  display: inline-flex; width: 26px; height: 26px; border-radius: 50%;
  align-items: center; justify-content: center;
  background: var(--wash); color: var(--ink-1); font-weight: 700; font-size: .85rem;
  margin-bottom: 8px;
}
.axis-card h3 { margin: 0 0 4px; font-size: 1.02rem; }
.axis-card .q { font-style: italic; color: var(--ink-2); font-size: .9rem; margin: 0 0 8px; }
.axis-card p { font-size: .88rem; color: var(--ink-2); margin: 0; }

.mode-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 6px; }
.mode-chip {
  font-size: .84rem; border-radius: 8px; padding: 5px 11px;
  border: 1px solid var(--grid); background: var(--surface-1); color: var(--ink-2);
}
.mode-chip b { color: var(--ink-1); font-weight: 600; }
/* evaluation-mode colors, same as the paper (\SI \SE \TI \TE highlights at 20%) */
.mode-chip.si { --mode: #56B4E9; --mode-bg: #56B4E933; }
.mode-chip.se { --mode: #E69F00; --mode-bg: #E69F0033; }
.mode-chip.ti { --mode: #009E73; --mode-bg: #009E7333; }
.mode-chip.te { --mode: #CC79A7; --mode-bg: #CC79A733; }
.mode-chip.si, .mode-chip.se, .mode-chip.ti, .mode-chip.te {
  background: var(--mode-bg);
  border-color: var(--mode);
  border-left: 4px solid var(--mode);
  color: var(--ink-1);
}

/* ------------------------------------------------------------- controls --- */
.control-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px;
  margin: 18px 0 14px;
}
.control-group { display: flex; align-items: center; gap: 9px; }
.control-label { font-size: .84rem; font-weight: 600; color: var(--ink-2); }
.seg {
  display: inline-flex; background: var(--wash);
  border: 1px solid var(--grid); border-radius: 10px; padding: 3px;
}
.seg button {
  border: 0; background: transparent; color: var(--ink-2);
  font: inherit; font-size: .88rem; font-weight: 600;
  padding: 6px 15px; border-radius: 8px; cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.seg button[aria-pressed="true"] {
  background: var(--surface-1); color: var(--ink-1);
  box-shadow: 0 1px 3px rgba(0,0,0,.12); border: 1px solid var(--grid);
  padding: 5px 14px;
}
.mode-note { font-size: .86rem; color: var(--ink-2); margin: 2px 0 10px; min-height: 1.4em; }
.mode-note b { color: var(--ink-1); }

/* --------------------------------------------------------------- charts --- */
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-grid.solo { grid-template-columns: minmax(0, 660px); justify-content: center; }
.chart-card {
  position: relative;
  background: var(--surface-1); border: 1px solid var(--grid); border-radius: 12px;
  padding: 14px 14px 8px; box-shadow: var(--shadow);
}
.chart-card h4 {
  margin: 0 0 2px; font-size: .95rem; font-weight: 700; color: var(--ink-1);
}
.chart-card .sub { margin: 0 0 6px; font-size: .8rem; color: var(--ink-3); }
.chart-card svg { display: block; width: 100%; height: auto; }
.chart-host { position: relative; }

svg .gridline { stroke: var(--grid); stroke-width: 1; }
svg .axisline { stroke: var(--axis); stroke-width: 1; }
svg .ticktext { fill: var(--ink-3); font-size: 11.5px; font-family: inherit; font-variant-numeric: tabular-nums; }
svg .axtitle  { fill: var(--ink-2); font-size: 12.5px; font-weight: 600; font-family: inherit; }
svg .ideal-line { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: none; opacity: .0; }

.dot-g { cursor: pointer; }
.dot-g .ringc { fill: var(--surface-1); }
.dot-g .dot {
  stroke: var(--c); stroke-width: 2.4; fill: var(--surface-1);
  transition: fill .55s ease;
}
.dot-g.filled .dot { fill: var(--c); }
.dot-g .hit { fill: transparent; }
.dot-g:focus { outline: none; }
.dot-g:focus .dot, .dot-g.hovered .dot { stroke-width: 3.4; }
svg.has-dim .dot-g { opacity: .18; transition: opacity .2s ease; }
svg.has-dim .dot-g.hl { opacity: 1; }
.dot-move { transition: transform .65s cubic-bezier(.33,.1,.23,1); }

.trail { stroke: var(--c); stroke-width: 1.4; opacity: 0; }
.trail.animate { animation: trailfade 1.15s ease-out forwards; }
@keyframes trailfade { 0% {opacity: .5;} 100% {opacity: 0;} }

/* twin dots (the explicit layer of the "Both" view) */
.dot-g.twin { transition: transform .65s cubic-bezier(.33,.1,.23,1), opacity .3s ease; }
.dot-g.off { opacity: 0 !important; pointer-events: none; }

/* dashed implicit-explicit links, per model */
.connect-layer { transition: opacity .3s ease; }
.connect-layer.settling { opacity: 0; }
.connector { stroke: var(--c); stroke-width: 1.3; stroke-dasharray: 4 3; stroke-opacity: .4; }
svg.has-dim .connector { stroke-opacity: .06; }
svg.has-dim .connector.hl { stroke-opacity: .6; }

.pareto-glow  { stroke: var(--pareto); fill: none; stroke-width: 13; opacity: .16; stroke-linecap: round; }
.pareto-core  { stroke: var(--pareto); fill: none; stroke-width: 5.5; opacity: .5; stroke-linecap: round; }
.pareto-wrap { transition: opacity .45s ease; }
.pareto-wrap.off { opacity: 0; }

/* tooltip */
.viz-tip {
  position: absolute; z-index: 30; pointer-events: none;
  background: var(--surface-1); color: var(--ink-1);
  border: 1px solid var(--grid); border-radius: 9px;
  box-shadow: var(--shadow);
  padding: 8px 11px; font-size: .82rem; line-height: 1.45;
  max-width: 240px; opacity: 0; transition: opacity .12s ease;
}
.viz-tip.show { opacity: 1; }
.viz-tip .tip-name { display: flex; align-items: center; gap: 7px; font-weight: 700; margin-bottom: 3px; }
.viz-tip .tip-tag { margin-left: auto; padding-left: 8px; color: var(--ink-3); font-weight: 500; font-size: .72rem; white-space: nowrap; }
.viz-tip .keyline { display: inline-block; width: 14px; height: 3px; border-radius: 2px; background: var(--c); }
.viz-tip .tip-row { display: flex; justify-content: space-between; gap: 14px; }
.viz-tip .tip-row .v { font-weight: 700; font-variant-numeric: tabular-nums; }
.viz-tip .tip-row .k { color: var(--ink-2); }
.viz-tip .tip-sub { color: var(--ink-3); font-size: .76rem; margin-top: 2px; font-variant-numeric: tabular-nums; }

/* legend */
.legend-row {
  display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 4px;
  justify-content: center;
}
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--grid); background: var(--surface-1); color: var(--ink-1);
  border-radius: 999px; padding: 4px 12px 4px 8px; font: inherit; font-size: .82rem;
  cursor: pointer; transition: background .15s ease;
}
.chip:hover { background: var(--wash); }
.chip[aria-pressed="true"] { border-color: var(--ink-2); background: var(--wash); }
.chip .swatch {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--c); box-shadow: inset 0 0 0 1px var(--ring);
}
.legend-hint { text-align: center; font-size: .78rem; color: var(--ink-3); margin: 2px 0 0; }

/* table view */
.table-toggle {
  border: 1px solid var(--grid); background: var(--surface-1); color: var(--ink-2);
  font: inherit; font-size: .83rem; border-radius: 8px; padding: 5px 12px; cursor: pointer;
  margin-left: auto;
}
.table-toggle:hover { color: var(--ink-1); background: var(--wash); }
.tablewrap { overflow-x: auto; margin: 14px 0 6px; }
.tablewrap table {
  border-collapse: collapse; width: 100%; font-size: .85rem;
  background: var(--surface-1); border: 1px solid var(--grid); border-radius: 10px;
}
.tablewrap th, .tablewrap td { padding: 7px 12px; border-bottom: 1px solid var(--grid); text-align: right; }
.tablewrap th:first-child, .tablewrap td:first-child { text-align: left; }
.tablewrap thead th { color: var(--ink-2); font-size: .78rem; font-weight: 600; letter-spacing: .02em; }
.tablewrap td { font-variant-numeric: tabular-nums; color: var(--ink-1); }
.tablewrap td.mname { font-weight: 600; }
.tablewrap td .swatch {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  background: var(--c); margin-right: 7px;
}
.tablewrap tbody tr:last-child td { border-bottom: 0; }

/* effect tag beside headings */
.fx-tag {
  display: inline-block; vertical-align: 3px; margin-left: 10px;
  font-size: .66rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--ink-2); background: var(--wash); border: 1px solid var(--grid);
  border-radius: 6px; padding: 2px 8px; white-space: nowrap;
}
.fx-tag + .fx-tag { margin-left: 6px; }

/* observation bullets inside chart cards */
.chart-notes { margin: 10px 0 6px; padding-left: 18px; font-size: .83rem; color: var(--ink-2); }
.chart-notes li { margin: 3px 0; }

/* takeaway boxes */
.finding-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 18px 0; }
.finding {
  background: var(--surface-1); border: 1px solid var(--grid); border-radius: 12px;
  padding: 16px 20px; box-shadow: var(--shadow);
}
.finding.wide { grid-column: 1 / -1; }
.finding h3 { margin: 0 0 6px; font-size: 1rem; }
.finding p { font-size: .9rem; color: var(--ink-2); margin: 0; }
.finding ul { margin: 4px 0 0; padding-left: 18px; font-size: .89rem; color: var(--ink-2); }
.finding li { margin: 5px 0; }
.finding li b { color: var(--ink-1); }
.pull-quote {
  margin: 26px auto 6px; max-width: 640px; text-align: center;
  font-size: 1.18rem; font-weight: 600; line-height: 1.5; color: var(--ink-1);
}
.pull-quote .accent { color: var(--accent-ink); }

/* ------------------------------------------------------------- examples --- */
.stats-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 8px; }
.stat-tile {
  flex: 1 1 150px; background: var(--surface-1); border: 1px solid var(--grid);
  border-radius: 12px; padding: 13px 16px; box-shadow: var(--shadow);
}
.stat-tile .label { font-size: .78rem; color: var(--ink-2); }
.stat-tile .value { font-size: 1.45rem; font-weight: 650; letter-spacing: -.01em; }
.stat-tile .sub { font-size: .76rem; color: var(--ink-3); }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 22px 0 0; border-bottom: 1px solid var(--grid); padding-bottom: 0; }
.tab {
  border: 0; background: transparent; color: var(--ink-2); font: inherit;
  font-size: .9rem; font-weight: 600; padding: 8px 14px; cursor: pointer;
  border-bottom: 2.5px solid transparent; margin-bottom: -1px;
}
.tab[aria-selected="true"] { color: var(--ink-1); border-bottom-color: var(--accent); }
.tab:hover { color: var(--ink-1); }
.tabpanel { padding: 18px 0 4px; }
.tabpanel[hidden] { display: none; }
.tabpanel > .desc { font-size: .92rem; color: var(--ink-2); margin: 0 0 16px; max-width: 760px; }
.desc-box { margin: 0 0 16px; box-shadow: none; }
.desc-box summary { padding: 9px 16px; font-size: .92rem; }
.desc-box .desc { font-size: .92rem; color: var(--ink-2); margin: 0; padding: 0 16px 14px; }

.ex-card {
  background: var(--surface-1); border: 1px solid var(--grid); border-radius: 12px;
  padding: 16px 18px; margin: 0 0 14px; box-shadow: var(--shadow);
}
.ex-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 10px; }
.ex-transcript { font-size: 1rem; font-weight: 600; flex: 1 1 260px; }
.ex-transcript::before { content: "\201C"; color: var(--ink-3); }
.ex-transcript::after  { content: "\201D"; color: var(--ink-3); }
.ex-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ex-card audio { height: 34px; width: 250px; max-width: 100%; }

.opt-row {
  display: flex; gap: 12px; align-items: flex-start;
  border: 1px solid var(--grid); border-radius: 10px;
  padding: 10px 13px; margin: 8px 0; transition: border-color .3s ease, background .3s ease;
}
.opt-row .opt-label {
  flex: 0 0 auto; font-size: .72rem; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; border-radius: 6px; padding: 3px 8px; margin-top: 2px;
  background: var(--wash); color: var(--ink-2); white-space: nowrap;
  transition: background .3s ease, color .3s ease;
}
.opt-row .opt-text { font-size: .9rem; color: var(--ink-1); }
.opt-row.gold { border-color: var(--gold-ink); background: var(--gold-bg); }
.opt-row.gold .opt-label { background: var(--gold-ink); color: #fff; }
.opt-row.irrelevant .opt-text { color: var(--ink-3); }
.opt-row.flash { animation: optflash .6s ease; }
@keyframes optflash { 0% { transform: translateX(0); } 30% { transform: translateX(4px); } 100% { transform: translateX(0); } }
.ex-foot { font-size: .78rem; color: var(--ink-3); margin-top: 8px; }

/* ------------------------------------------------------------- citation --- */
.bibtex-box { position: relative; margin: 16px 0; }
.bibtex-box pre {
  background: var(--surface-1); border: 1px solid var(--grid); border-radius: 12px;
  padding: 18px 20px; overflow-x: auto; font-size: .82rem; line-height: 1.55;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--ink-1); margin: 0;
}
.copy-btn {
  position: absolute; top: 10px; right: 10px;
  border: 1px solid var(--grid); background: var(--page); color: var(--ink-2);
  font: inherit; font-size: .78rem; border-radius: 7px; padding: 4px 10px; cursor: pointer;
}
.copy-btn:hover { color: var(--ink-1); }

.note-box {
  border: 1px solid var(--grid); border-radius: 12px; background: var(--surface-1);
  padding: 14px 18px; font-size: .87rem; color: var(--ink-2); margin: 18px 0;
}
.note-box b { color: var(--ink-1); }

footer {
  border-top: 1px solid var(--grid); margin-top: 64px; padding: 26px 0 40px;
  color: var(--ink-3); font-size: .84rem; text-align: center;
}
footer .credits { margin-top: 12px; }
footer a { color: var(--ink-2); text-decoration: underline; text-underline-offset: 2px; }

/* ----------------------------------------------------------- responsive --- */
@media (max-width: 880px) {
  .org-logo img { height: 12px; }
  .chart-grid { grid-template-columns: 1fr; }
  .cards3 { grid-template-columns: 1fr; }
  .finding-cards { grid-template-columns: 1fr; }
  .topnav { display: none; }
  section { padding: 40px 0 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dot-move { transition: none; }
  .dot-g .dot { transition: none; }
  .dot-g.twin { transition: opacity .2s ease; }
  .connect-layer { transition: none; }
  .trail.animate { animation: none; opacity: 0; }
  .pareto-wrap { transition: none; }
  .btn:hover { transform: none; }
  .opt-row.flash { animation: none; }
}