/* GeoFidelity-Bench project page
   Palette follows the paper figures: teal marks real Mapillary references,
   orange marks generated images, violet marks CLIP text scores. */

:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #edf1f3;
  --surface-3: #e3e9ec;
  --ink: #16232d;
  --ink-2: #44535e;
  --ink-3: #5d6c76;
  --rule: #d8e0e4;
  --rule-strong: #b9c6cc;
  --grid: #e6ecef;
  --land: #b5c3ca;
  --sign: #1f4e7a;
  --sign-ink: #ffffff;
  --link: #1f5d99;
  --focus: #1f5d99;
  --real: #008e9b;
  --gen: #c8663f;
  --clip: #6356bf;
  --real-wash: #e1f2f3;
  --gen-wash: #f8eae3;
  --clip-wash: #ecebf8;
  --heat-0: #f2f7f8;
  --heat-1: #06505a;
  --plate: #ffffff;
  --shadow: 0 1px 2px rgba(22, 35, 45, 0.06), 0 8px 24px -12px rgba(22, 35, 45, 0.18);
  --nav-bg: rgba(245, 247, 248, 0.86);

  --font-display: "Barlow Condensed", "Roboto Condensed", "Arial Narrow", system-ui, sans-serif;
  --font-ui: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-text: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 12px;
  --radius-sm: 7px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d1518;
    --surface: #121d21;
    --surface-2: #17252a;
    --surface-3: #1f2f35;
    --ink: #e6edef;
    --ink-2: #aebcc2;
    --ink-3: #8b9ba3;
    --rule: #24343a;
    --rule-strong: #34474e;
    --grid: #1b2a30;
    --land: #3a4d55;
    --sign: #2a5f93;
    --sign-ink: #ffffff;
    --link: #7fb4e6;
    --focus: #7fb4e6;
    --real: #14a5b3;
    --gen: #da7045;
    --clip: #8675d4;
    --real-wash: rgba(20, 165, 179, 0.16);
    --gen-wash: rgba(218, 112, 69, 0.16);
    --clip-wash: rgba(134, 117, 212, 0.18);
    --heat-0: #14242a;
    --heat-1: #5fd0da;
    --plate: #f4f6f7;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px -12px rgba(0, 0, 0, 0.6);
    --nav-bg: rgba(13, 21, 24, 0.84);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1518;
  --surface: #121d21;
  --surface-2: #17252a;
  --surface-3: #1f2f35;
  --ink: #e6edef;
  --ink-2: #aebcc2;
  --ink-3: #8b9ba3;
  --rule: #24343a;
  --rule-strong: #34474e;
  --grid: #1b2a30;
  --land: #3a4d55;
  --sign: #2a5f93;
  --sign-ink: #ffffff;
  --link: #7fb4e6;
  --focus: #7fb4e6;
  --real: #14a5b3;
  --gen: #da7045;
  --clip: #8675d4;
  --real-wash: rgba(20, 165, 179, 0.16);
  --gen-wash: rgba(218, 112, 69, 0.16);
  --clip-wash: rgba(134, 117, 212, 0.18);
  --heat-0: #14242a;
  --heat-1: #5fd0da;
  --plate: #f4f6f7;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px -12px rgba(0, 0, 0, 0.6);
  --nav-bg: rgba(13, 21, 24, 0.84);
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(72px + env(safe-area-inset-top, 0px));
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 18px;
  line-height: 1.6;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; }
img { display: block; height: auto; }
[hidden] { display: none !important; }

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection { background: var(--real-wash); color: var(--ink); }

h1, h2, h3, h4 { margin: 0; text-wrap: balance; }
p, figure { margin: 0; }

.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;
}

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--ink); color: var(--bg);
  font: 600 14px/1 var(--font-ui);
  padding: 12px 14px; border-radius: var(--radius-sm);
}
.skip-link:focus { top: calc(12px + env(safe-area-inset-top, 0px)); }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono { font-family: var(--font-mono); font-size: 0.86em; }
.nowrap { white-space: nowrap; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- Navigation ---------- */

.nav {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.nav.is-scrolled { border-bottom-color: var(--rule); }

.nav__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 60px;
}

.nav__brand {
  flex: none;
  text-decoration: none;
  display: inline-flex;
}

.nav__menu { margin-left: auto; min-width: 0; }

.nav__links {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent);
  mask-image: linear-gradient(90deg, #000 88%, transparent);
}
.nav__links::-webkit-scrollbar { display: none; }
@media (min-width: 900px) {
  .nav__links { -webkit-mask-image: none; mask-image: none; }
}

.nav__links a {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--ink-2);
  font: 500 15px/1.2 var(--font-ui);
  text-decoration: none;
  white-space: nowrap;
}
.nav__links a:hover { color: var(--ink); background: var(--surface-2); }
.nav__links a[aria-current="true"] { color: var(--ink); background: var(--surface-3); }

.nav__tools { display: flex; gap: 6px; flex: none; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  text-decoration: none;
}
.icon-btn:hover { color: var(--ink); border-color: var(--rule-strong); }
.icon-btn svg { width: 18px; height: 18px; }

@media (max-width: 760px) {
  .nav__inner { flex-wrap: wrap; gap: 0 12px; padding-block: 8px 2px; min-height: 0; }
  .nav__menu { order: 3; flex-basis: 100%; margin: 6px 0 0; }
  .nav__links { padding-bottom: 6px; margin-inline: -10px; }
  .nav__tools { margin-left: auto; }
}

/* ---------- Street-name plate ---------- */

.plate {
  --k: 1em;
  position: relative;
  display: inline-block;
  background: var(--sign);
  color: var(--sign-ink);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  padding: 0.2em 0.42em 0.16em;
  border-radius: 0.16em;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08), 0 14px 32px -16px rgba(18, 52, 86, 0.55);
}
.plate::before {
  content: "";
  position: absolute;
  inset: 0.075em;
  border: max(1.5px, 0.03em) solid rgba(255, 255, 255, 0.92);
  border-radius: 0.1em;
  pointer-events: none;
}

.plate--nav { font-size: 20px; padding: 0.24em 0.5em 0.2em; box-shadow: none; }
.plate--nav::before { inset: 3px; border-width: 1.5px; border-radius: 3px; }

/* ---------- Buttons ---------- */

.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 16px 8px 13px;
  border-radius: 9px;
  border: 1px solid var(--rule-strong);
  background: var(--surface);
  color: var(--ink);
  font: 600 15.5px/1 var(--font-ui);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn:hover { border-color: var(--ink-2); transform: translateY(-1px); box-shadow: var(--shadow); text-decoration: none; }
.btn--primary { background: var(--ink); border-color: var(--ink); color: var(--bg); }
@media (max-width: 520px) { .btn { min-height: 38px; padding: 7px 12px 7px 10px; font-size: 14.5px; } .btn-row { gap: 8px; } }
.btn--primary:hover { border-color: var(--ink); }
.btn--pending { color: var(--ink-3); border-style: solid; background: transparent; cursor: default; }
.btn--pending:hover { transform: none; box-shadow: none; border-color: var(--rule-strong); }
.btn__tag {
  font: 500 11px/1 var(--font-ui);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 3px 5px;
}

/* ---------- Hero ---------- */

.hero { padding-block: clamp(36px, 6vw, 72px) 0; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px 56px;
  align-items: end;
}
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
}

.venue {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 13px/1.3 var(--font-ui);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 22px;
}
.venue__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--real);
  box-shadow: 0 0 0 4px var(--real-wash);
}

.hero h1 { display: grid; gap: 22px; justify-items: start; }
.hero .plate { font-size: clamp(36px, 9.4vw, 98px); }
.hero__subtitle {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: clamp(21px, 2.5vw, 30px);
  line-height: 1.25;
  color: var(--ink);
  max-width: 30em;
  letter-spacing: -0.005em;
}

.authors { margin-top: 26px; display: grid; gap: 6px; font-family: var(--font-ui); }
.authors__name { font-size: 20px; font-weight: 600; }
.authors__name sup, .affils sup { font-size: 0.62em; font-weight: 600; color: var(--ink-3); margin-left: 1px; }
.affils {
  margin: 0; padding: 0; list-style: none;
  font-size: 15px; line-height: 1.45; color: var(--ink-2);
  display: grid; gap: 2px;
}
.affils sup { margin: 0 4px 0 0; }
.contact { font-size: 14.5px; color: var(--ink-3); }
.contact .mono { color: var(--ink-2); user-select: all; }

.hero .btn-row { margin-top: 28px; }

.factsheet {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
  font-family: var(--font-ui);
}
.factsheet div {
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}
.factsheet dt {
  order: 2;
  font-size: 14.5px;
  line-height: 1.35;
  color: var(--ink-2);
}
.factsheet dd {
  order: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 30px;
  line-height: 1;
  color: var(--ink);
}
@media (max-width: 980px) {
  .factsheet { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
}
@media (max-width: 520px) {
  .factsheet { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- World map ---------- */

.mapfig { margin: clamp(32px, 5vw, 56px) 0 0; }
.mapfig__frame { position: relative; }
.worldmap { display: block; width: 100%; height: auto; overflow: visible; }
.worldmap .land { fill: none; stroke: var(--land); stroke-linecap: round; stroke-width: 2.5; }
.worldmap .inset .land { stroke-width: 2.1; }
.worldmap .inset-frame { fill: var(--bg); stroke: var(--rule-strong); stroke-width: 1; }
.worldmap .inset-region { fill: none; stroke: var(--ink-3); stroke-width: 1; opacity: 0.7; }
.worldmap .inset-leader { fill: none; stroke: var(--ink-3); stroke-width: 0.8; opacity: 0.55; }
.worldmap .inset-title { font: 600 11px var(--font-ui); letter-spacing: 0.08em; text-transform: uppercase; fill: var(--ink-2); }
.worldmap .inset-note { font: 500 10px var(--font-ui); fill: var(--ink-3); }
.worldmap .city circle.dot { fill: var(--real); stroke: var(--bg); stroke-width: 1.6; transition: fill 0.15s ease; }
.worldmap .inset .city circle.dot { stroke: var(--bg); }
.worldmap .city .hit { fill: transparent; }
.worldmap .city { cursor: pointer; outline: none; }
.worldmap .city:hover circle.dot, .worldmap .city.is-active circle.dot, .worldmap .city:focus-visible circle.dot { fill: var(--ink); }
.worldmap .city:focus-visible circle.hit { stroke: var(--focus); stroke-width: 2; }
.worldmap .city-label {
  font: 500 11.5px var(--font-ui);
  fill: var(--ink-2);
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 3.2px;
  stroke-linejoin: round;
  pointer-events: none;
}
.worldmap .city.is-active .city-label, .worldmap .city:hover .city-label { fill: var(--ink); font-weight: 600; }
.worldmap .ping { fill: none; stroke: var(--real); stroke-width: 1.4; opacity: 0; transform-box: fill-box; transform-origin: center; }
.worldmap.is-animated .ping { animation: ping 1.6s cubic-bezier(0.2, 0.6, 0.3, 1) var(--d, 0s) 1 both; }
@keyframes ping {
  0% { opacity: 0.85; transform: scale(1); }
  100% { opacity: 0; transform: scale(3.4); }
}
.worldmap .legend-text { font: 500 11px var(--font-ui); fill: var(--ink-3); }
.worldmap .legend-title { font: 600 11px var(--font-ui); fill: var(--ink-2); letter-spacing: 0.04em; }
.worldmap .legend-dot { fill: none; stroke: var(--real); stroke-width: 1.4; }

.worldmap .city__mark { transition: transform 0.15s ease; }
@media (max-width: 700px) {
  .worldmap .city-label, .worldmap .legend { display: none; }
  .worldmap .land { stroke-width: 3; }
  .worldmap .city__mark { transform: scale(1.8); }
  .worldmap .inset .city__mark { transform: scale(1.5); }
}

.mapfig figcaption {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font: 400 14.5px/1.45 var(--font-ui);
  color: var(--ink-3);
}
.mapfig figcaption strong { color: var(--ink-2); font-weight: 600; }

/* ---------- Sections ---------- */

.section { padding-block: clamp(64px, 9vw, 112px) 0; }

.section__label {
  display: flex;
  align-items: center;
  gap: 14px;
  font: 600 12.5px/1 var(--font-ui);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 20px;
}
.section__label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}
.section__label .ref {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink-3);
  font-size: 12.5px;
}

.section h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 4.4vw, 50px);
  line-height: 1.04;
  letter-spacing: -0.005em;
  max-width: 20em;
}

.lede {
  margin-top: 18px;
  max-width: 37em;
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink-2);
}

.prose { max-width: 42em; }
.prose p + p { margin-top: 0.9em; }

.sub {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid;
  gap: 18px;
}
.sub > *, .grid-2 > *, .heat-layout > *, .hero__grid > * { min-width: 0; }
.sub__head { display: grid; gap: 10px; max-width: 42em; align-content: start; }
.sub h3 {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: clamp(21px, 2vw, 25px);
  line-height: 1.25;
  letter-spacing: -0.005em;
}
.sub__kicker {
  font: 500 13px/1 var(--font-mono);
  color: var(--ink-3);
}
.sub__head p { color: var(--ink-2); max-width: 38em; }

/* ---------- Findings ---------- */

.findings {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 2px solid var(--ink);
}
@media (max-width: 1040px) { .findings { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .findings { grid-template-columns: minmax(0, 1fr); } }

.finding {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 10px;
  padding: 22px 24px 24px 0;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 1041px) {
  .finding + .finding { padding-left: 24px; border-left: 1px solid var(--rule); }
}
@media (min-width: 561px) and (max-width: 1040px) {
  .finding:nth-child(2n) { padding-left: 24px; border-left: 1px solid var(--rule); }
}
.finding__label { font: 600 13px/1.2 var(--font-ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.finding__value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 52px;
  line-height: 0.95;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.finding__value small { font: 500 15px/1.2 var(--font-ui); color: var(--ink-3); letter-spacing: 0; }
.finding__unit { font: 500 13.5px/1.3 var(--font-mono); color: var(--ink-3); }
.finding__text { font-size: 16.5px; line-height: 1.5; color: var(--ink-2); }
.finding a { font: 600 14.5px/1 var(--font-ui); text-decoration: none; display: inline-flex; gap: 6px; align-items: center; margin-top: 4px; }
.finding a:hover { text-decoration: underline; }
.tick-real, .tick-gen, .tick-clip { display: inline-block; width: 10px; height: 10px; border-radius: 50%; flex: none; }
.tick-real { background: var(--real); }
.tick-gen { background: var(--gen); }
.tick-clip { background: var(--clip); }

.abstract {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px 40px;
}
@media (max-width: 760px) { .abstract { grid-template-columns: minmax(0, 1fr); } }
.abstract h3 { font: 600 13px/1.6 var(--font-ui); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); }
.abstract p { max-width: 38em; font-size: 18px; }

/* ---------- Figures ---------- */

.figure { margin: 0; }
.figure__plate {
  background: var(--plate);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: clamp(10px, 2vw, 24px);
  box-shadow: var(--shadow);
}
.figure__plate img { width: 100%; }
.figure__scroll { overflow-x: auto; }
.figure__scroll a { display: block; }
@media (max-width: 700px) { .figure__scroll img { min-width: 640px; } }
.figure__hint { display: none; }
@media (max-width: 700px) { .figure__hint { display: inline; } }
.figure figcaption, .caption {
  margin-top: 12px;
  font: 400 14.5px/1.5 var(--font-ui);
  color: var(--ink-3);
  max-width: 60em;
}
.figure figcaption b, .caption b { color: var(--ink-2); font-weight: 600; }

/* ---------- Cards and chart shells ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: clamp(16px, 2.2vw, 26px);
}

.chart { display: grid; gap: 14px; min-width: 0; align-content: start; }
.chart__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 10px 24px; }
.chart__title { font: 600 16.5px/1.3 var(--font-ui); color: var(--ink); }
.chart__sub { font: 400 14px/1.45 var(--font-ui); color: var(--ink-3); margin-top: 3px; }
.chart__canvas { position: relative; width: 100%; min-width: 0; }
.chart__canvas svg { display: block; width: 100%; height: auto; overflow: visible; }

.legend {
  display: flex; flex-wrap: wrap; gap: 6px 16px;
  margin: 0; padding: 0; list-style: none;
  font: 500 13.5px/1.3 var(--font-ui); color: var(--ink-2);
}
.legend li { display: inline-flex; align-items: center; gap: 7px; }
.key { width: 11px; height: 11px; border-radius: 50%; flex: none; display: inline-block; }
.key--real { background: var(--real); }
.key--gen { background: var(--gen); }
.key--clip { background: var(--clip); }
.key--ring-real { border: 2px solid var(--real); background: transparent; }
.key--ring-clip { border: 2px solid var(--clip); background: transparent; }
.key--line { width: 18px; height: 3px; border-radius: 2px; }
.key--line-gen { background: var(--gen); opacity: 0.45; }
.key--line-mean { background: var(--gen); height: 4px; }

/* SVG chart vocabulary */
.ax-grid { stroke: var(--grid); stroke-width: 1; shape-rendering: crispEdges; }
.ax-base { stroke: var(--rule-strong); stroke-width: 1; shape-rendering: crispEdges; }
.ax-ref { stroke: var(--ink-3); stroke-width: 1.2; }
.ax-text { font: 500 12px var(--font-ui); fill: var(--ink-3); font-variant-numeric: tabular-nums; }
.ax-title { font: 500 12.5px var(--font-ui); fill: var(--ink-3); }
.row-text { font: 500 13.5px var(--font-ui); fill: var(--ink-2); }
.row-text--strong { font-weight: 600; fill: var(--ink); }
.val-text { font: 600 12.5px var(--font-ui); fill: var(--ink); font-variant-numeric: tabular-nums; }
.val-text--muted { font-weight: 500; fill: var(--ink-3); }
.note-text { font: 500 12.5px var(--font-ui); fill: var(--ink-2); }
.halo { paint-order: stroke; stroke: var(--surface); stroke-width: 4px; stroke-linejoin: round; }
.m-real { fill: var(--real); }
.m-gen { fill: var(--gen); }
.m-clip { fill: var(--clip); }
.m-ring { stroke: var(--surface); stroke-width: 2; }
.m-hollow-real { fill: var(--surface); stroke: var(--real); stroke-width: 2.4; }
.m-hollow-clip { fill: var(--surface); stroke: var(--clip); stroke-width: 2.4; }
.s-real { stroke: var(--real); }
.s-gen { stroke: var(--gen); }
.s-clip { stroke: var(--clip); }
.s-ink { stroke: var(--ink-3); }
.band-gen { fill: var(--gen-wash); }
.band-real { fill: var(--real-wash); }
.hit { fill: transparent; cursor: default; }
.is-dim { opacity: 0.18; }
.line-model { fill: none; stroke: var(--gen); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; opacity: 0.5; transition: opacity 0.15s ease, stroke-width 0.15s ease; }
.line-model.is-hot { opacity: 1; stroke-width: 2.6; }
.line-model.is-dim { opacity: 0.14; }
.is-focus .line-mean { opacity: 0.3; }
.line-mean { transition: opacity 0.15s ease; }
.line-mean { fill: none; stroke: var(--gen); stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; }
.lbl-model { cursor: pointer; }

/* table views */
.table-view { font-family: var(--font-ui); }
.table-view summary {
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 13.5px/1 var(--font-ui);
  color: var(--ink-2);
  padding: 6px 0;
  list-style: none;
}
.table-view summary::-webkit-details-marker { display: none; }
.table-view summary::before { content: "+"; font: 500 15px/1 var(--font-mono); color: var(--ink-3); width: 12px; }
.table-view[open] summary::before { content: "\2212"; }
.table-scroll { overflow-x: auto; margin-top: 8px; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font: 400 14.5px/1.4 var(--font-ui);
  font-variant-numeric: tabular-nums;
}
table.data th, table.data td {
  padding: 8px 12px;
  text-align: right;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}
table.data th:first-child, table.data td:first-child { text-align: left; padding-left: 0; }
table.data thead th { font-weight: 600; color: var(--ink-2); border-bottom: 1px solid var(--rule-strong); }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data .group td { font-weight: 600; color: var(--ink-3); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; padding-top: 14px; }

/* ---------- Two-column layouts ---------- */

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-2--wide-left { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-2--wide-left { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Tabs ---------- */

.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab {
  appearance: none;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--ink-2);
  font: 600 14.5px/1 var(--font-ui);
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
}
.tab:hover { color: var(--ink); border-color: var(--rule-strong); }
.tab[aria-selected="true"], .tab[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }

.seg { display: inline-flex; border: 1px solid var(--rule); border-radius: 9px; padding: 3px; background: var(--surface); gap: 2px; }
.seg button {
  appearance: none; border: 0; background: transparent; color: var(--ink-2);
  font: 600 13.5px/1 var(--font-ui); padding: 8px 12px; border-radius: 6px; cursor: pointer;
}
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { background: var(--surface-3); color: var(--ink); }

/* ---------- Panel explorer ---------- */

.panels { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 4fr); gap: 20px; }
@media (max-width: 900px) { .panels { grid-template-columns: minmax(0, 1fr); } }
.panel-set { display: grid; gap: 10px; align-content: start; }
.panel-set__head { display: flex; align-items: center; gap: 8px; font: 600 14.5px/1.3 var(--font-ui); color: var(--ink); }
.panel-set__head span:last-child { color: var(--ink-3); font-weight: 500; }
.thumbs { display: grid; gap: 8px; }
.thumbs--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.thumbs--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 560px) { .thumbs--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.thumbs img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 6px;
  background: var(--surface-2);
}
.thumbs--real img { outline: 2px solid var(--real); outline-offset: -2px; }
.thumbs--gen img { outline: 2px solid var(--gen); outline-offset: -2px; }

/* ---------- Spec table (benchmark summary) ---------- */

.spec { margin: 0; display: grid; }
.spec div {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 1.3fr);
  gap: 16px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-ui);
}
.spec div:first-child { border-top: 2px solid var(--ink); }
.spec dt { font-size: 15px; font-weight: 500; color: var(--ink); }
.spec dd { margin: 0; }
.spec .v { font-family: var(--font-display); font-weight: 600; font-size: 24px; line-height: 1; text-align: right; min-width: 3.4em; }
.spec .n { font-size: 14px; color: var(--ink-3); }

/* ---------- Prompt anatomy ---------- */

.prompts { display: grid; gap: 10px; }
.prompt {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--rule);
}
.prompt__lvl {
  display: grid; gap: 4px; justify-items: start;
  font: 600 12px/1.2 var(--font-ui); color: var(--ink-3); letter-spacing: 0.02em;
}
.lvl-badge {
  display: inline-grid; place-items: center;
  min-width: 34px; height: 26px; padding: 0 7px;
  border-radius: 13px;
  background: var(--gen); color: #fff;
  font: 700 13px/1 var(--font-ui);
}
.lvl-badge--ctrl { background: var(--surface-3); color: var(--ink); }
.prompt__text { font: 400 15px/1.75 var(--font-mono); color: var(--ink-2); overflow-wrap: anywhere; }
.prompt__text .add { background: var(--gen-wash); color: var(--ink); border-radius: 4px; box-decoration-break: clone; -webkit-box-decoration-break: clone; padding: 1px 2px; }
.slot {
  display: inline-block;
  font: 600 13.5px/1.35 var(--font-ui);
  padding: 1px 7px;
  border-radius: 5px;
  border: 1px solid var(--rule-strong);
  background: var(--surface-2);
  color: var(--ink);
  white-space: nowrap;
}
.slot--street { background: var(--sign); color: var(--sign-ink); border-color: var(--sign); box-shadow: inset 0 0 0 1.5px var(--sign), inset 0 0 0 2.5px rgba(255,255,255,0.85); padding: 1px 8px; }
.slot--nbhd { background: var(--surface); border-color: var(--ink-2); }
.slot--gps { font-family: var(--font-mono); font-weight: 500; font-size: 12.5px; background: var(--surface); }
.slot--swap { position: relative; }
.slot--swap::after {
  content: "";
  position: absolute; left: -2px; right: -2px; top: 50%;
  height: 2px; background: var(--gen); transform: rotate(-8deg);
}
.swap-arrow { font-family: var(--font-ui); color: var(--ink-3); margin: 0 4px; }
.prompt__note { margin-top: 6px; font: 400 13.5px/1.5 var(--font-ui); color: var(--ink-3); }
.suffix { font: 400 14.5px/1.6 var(--font-ui); color: var(--ink-3); }
.suffix .mono { color: var(--ink-2); }

/* ---------- Retrieval gallery diagram ---------- */

.gallery-diagram {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}
@media (max-width: 760px) { .gallery-diagram { grid-template-columns: repeat(2, minmax(0, 1fr)); } .gallery-diagram .gd:first-child { grid-column: 1 / -1; } }
.gd {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: var(--surface);
  font-family: var(--font-ui);
}
.gd--target { border-color: var(--real); box-shadow: inset 0 0 0 1px var(--real); }
.gd__stack { position: relative; height: 38px; }
.gd__stack i {
  position: absolute; width: 46px; height: 30px; border-radius: 4px;
  background: var(--surface-3); border: 1.5px solid var(--rule-strong);
}
.gd__stack i:nth-child(1) { left: 0; top: 8px; }
.gd__stack i:nth-child(2) { left: 5px; top: 4px; }
.gd__stack i:nth-child(3) { left: 10px; top: 0; }
.gd--target .gd__stack i { background: var(--real-wash); border-color: var(--real); }
.gd__name { font-size: 15px; font-weight: 600; line-height: 1.25; }
.gd__what { font-size: 13.5px; line-height: 1.4; color: var(--ink-3); }

/* ---------- Coverage bars ---------- */

.coverage { columns: 2 320px; column-gap: 40px; margin: 0; padding: 0; list-style: none; }
.coverage li {
  break-inside: avoid;
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) 58px;
  gap: 10px;
  align-items: center;
  padding: 3px 0;
  font: 500 14px/1.3 var(--font-ui);
  color: var(--ink-2);
}
.coverage .city-name { color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.coverage .cc { color: var(--ink-3); font-size: 12px; margin-left: 4px; }
.coverage .track { display: flex; align-items: center; gap: 8px; min-width: 0; }
.coverage .bar { height: 10px; border-radius: 0 4px 4px 0; background: var(--real); min-width: 2px; flex: none; }
.coverage .val { font-variant-numeric: tabular-nums; color: var(--ink); }
.coverage .blocks { text-align: right; color: var(--ink-3); font-size: 12.5px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.coverage li.is-active .city-name { font-weight: 700; }

/* ---------- Metrics ---------- */

.metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 860px) { .metrics { grid-template-columns: minmax(0, 1fr); } }
.metric {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
  padding: 20px 22px 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--rule);
  min-width: 0;
}
.metric--primary { grid-column: 1 / -1; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: auto; align-items: center; column-gap: 32px; border-color: var(--rule-strong); }
.metric--primary .metric__formula { grid-row: 1 / span 3; grid-column: 2; }
@media (max-width: 860px) {
  .metric--primary { grid-template-columns: minmax(0, 1fr); }
  .metric--primary .metric__formula { grid-row: auto; grid-column: auto; }
}
.metric__head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.metric__name { font-family: var(--font-display); font-weight: 600; font-size: 30px; line-height: 1; }
.dir {
  display: inline-flex; align-items: center; gap: 4px;
  font: 600 12.5px/1 var(--font-ui);
  padding: 5px 8px; border-radius: 5px;
  background: var(--surface-2); color: var(--ink-2);
}
.primary-tag { font: 600 11.5px/1 var(--font-ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--sign-ink); background: var(--sign); padding: 5px 8px; border-radius: 5px; }
.metric__q { font-size: 17px; line-height: 1.45; color: var(--ink); }
.metric__detail { font: 400 14.5px/1.5 var(--font-ui); color: var(--ink-3); }
.metric__formula {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 12px 10px;
  color: var(--ink);
  border-radius: 8px;
  background: var(--surface-2);
  font-size: 16px;
  display: flex;
  align-items: center;
}
/* auto margins centre the formula when it fits and let it scroll from the left edge when it does not */
.metric__formula svg { max-width: none; flex: none; margin: auto; }
@media (max-width: 520px) { .metric__formula { font-size: 13.5px; } }
.ovl { text-decoration: overline; text-decoration-thickness: 1px; font-style: italic; }
.metric__fail { font: 500 13px/1.3 var(--font-ui); color: var(--ink-3); display: flex; gap: 8px; align-items: baseline; }
.metric__fail b { color: var(--ink-2); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; font-size: 11.5px; }

.encoders { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 14px/1 var(--font-ui);
  padding: 8px 12px; border-radius: 999px;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--ink-2);
}
.chip b { color: var(--ink); font-weight: 600; }

/* ---------- Leaderboard ---------- */

.board { overflow-x: auto; }
table.board-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font: 400 15px/1.3 var(--font-ui);
  font-variant-numeric: tabular-nums;
}
.board-table th, .board-table td { padding: 0 10px; height: 46px; border-bottom: 1px solid var(--rule); text-align: left; }
.board-table th:first-child, .board-table td:first-child { padding-left: 0; }
.board-table thead th { height: 44px; border-bottom: 1px solid var(--rule-strong); vertical-align: bottom; padding-bottom: 8px; }
.board-table th button {
  appearance: none; border: 0; background: none; padding: 4px 0; cursor: pointer;
  font: 600 14px/1.1 var(--font-ui); color: var(--ink-2);
  display: inline-flex; align-items: center; gap: 5px;
}
.board-table th button:hover { color: var(--ink); }
.board-table th[aria-sort="ascending"] button, .board-table th[aria-sort="descending"] button { color: var(--ink); }
.board-table .sort-ind { font: 500 12px/1 var(--font-mono); color: var(--ink-3); width: 10px; }
.board-table .model { font-weight: 600; color: var(--ink); white-space: nowrap; }
.board-table .model .rank { display: inline-block; width: 22px; color: var(--ink-3); font-weight: 500; }
.cellbar { display: grid; grid-template-columns: 58px minmax(40px, 1fr); align-items: center; gap: 8px; }
.cellbar b { font-weight: 500; color: var(--ink); text-align: right; white-space: nowrap; }
.cellbar i { display: block; height: 8px; border-radius: 0 3px 3px 0; background: var(--gen); opacity: 0.85; min-width: 2px; }
tr.is-real .cellbar i { background: var(--real); }
tr.is-mean .cellbar i { background: var(--ink-3); opacity: 0.6; }
.cellbar.is-best b { font-weight: 700; }
.cellbar.is-best b::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 5px; border-radius: 50%; background: var(--ink); vertical-align: middle; transform: translateY(-2px); }
.board-table tr.group-row td { height: auto; padding-top: 18px; padding-bottom: 6px; font: 600 12px/1 var(--font-ui); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); border-bottom-color: var(--rule); }
.board-table tr.is-real .model, .board-table tr.is-mean .model { font-weight: 500; }
.board-note { font: 400 13.5px/1.5 var(--font-ui); color: var(--ink-3); margin-top: 10px; }

/* ---------- Qualitative gallery ---------- */

.qual { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 2fr); gap: 16px; align-items: start; }
@media (max-width: 820px) { .qual { grid-template-columns: minmax(0, 1fr); } }
.qual__real figure, .qual__gens figure { margin: 0; display: grid; gap: 7px; }
.qual img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; background: var(--surface-2); }
.qual__real img { outline: 3px solid var(--real); outline-offset: -3px; }
.qual__gens { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 10px; }
@media (max-width: 480px) { .qual__gens { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.qual figcaption { font: 600 14px/1.25 var(--font-ui); color: var(--ink); display: flex; align-items: center; gap: 7px; }
.qual figcaption small { font-weight: 500; color: var(--ink-3); font-size: 12.5px; }

.qual-grid { overflow-x: auto; }
.qual-grid__inner {
  display: grid;
  grid-template-columns: 96px repeat(7, minmax(92px, 1fr));
  gap: 6px;
  min-width: 760px;
}
.qual-grid__inner .h { font: 600 12.5px/1.2 var(--font-ui); color: var(--ink-2); align-self: end; padding-bottom: 4px; }
.qual-grid__inner .rh { font: 600 13.5px/1.2 var(--font-ui); color: var(--ink); align-self: center; }
.qual-grid__inner img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 4px; }
.qual-grid__inner img.is-real { outline: 2px solid var(--real); outline-offset: -2px; }

/* ---------- Heatmap ---------- */

.heat-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 28px; align-items: start; }
@media (max-width: 980px) { .heat-layout { grid-template-columns: minmax(0, 1fr); } }
.heat-cell { stroke: var(--surface); stroke-width: 1; }
.heat-cell.is-diag { fill: var(--surface); }
.heat-diag { stroke: var(--rule-strong); stroke-width: 1; }
.heat-cell.is-hot { stroke: var(--ink); stroke-width: 2; }
.heat-label { font: 500 11.5px var(--font-ui); fill: var(--ink-2); }
.heat-label.is-hot { fill: var(--ink); font-weight: 700; }
.scale-legend { display: grid; gap: 6px; font: 500 12.5px/1 var(--font-ui); color: var(--ink-3); }
.scale-legend__bar { height: 10px; border-radius: 3px; background: linear-gradient(90deg, var(--heat-0), var(--heat-1)); border: 1px solid var(--rule); }
.scale-legend__ticks { display: flex; justify-content: space-between; font-variant-numeric: tabular-nums; }

.pairs { display: grid; gap: 18px; }
.pairs h4 { font: 600 13px/1 var(--font-ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; }
.pairs ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 2px; }
.pairs button {
  width: 100%;
  appearance: none; border: 0; background: transparent; cursor: pointer;
  display: flex; justify-content: space-between; gap: 12px;
  padding: 7px 8px; margin: 0 -8px; border-radius: 6px;
  font: 500 14.5px/1.2 var(--font-ui); color: var(--ink);
  text-align: left;
}
.pairs button:hover, .pairs button.is-active { background: var(--surface-2); }
.pairs button span:last-child { font-variant-numeric: tabular-nums; color: var(--ink-2); }
.stat-line { font: 400 14.5px/1.5 var(--font-ui); color: var(--ink-3); }
.stat-line b { color: var(--ink); font-weight: 600; }

/* ---------- Code & release ---------- */

.release { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 900px) { .release { grid-template-columns: minmax(0, 1fr); } }
.release a.card {
  display: grid; gap: 10px; align-content: start;
  color: inherit; text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.release a.card:hover { border-color: var(--rule-strong); transform: translateY(-2px); box-shadow: var(--shadow); }
.release .card__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.release .card__title { font: 600 18px/1.2 var(--font-ui); display: inline-flex; align-items: center; gap: 9px; }
.release .card__title svg { width: 20px; height: 20px; color: var(--ink-2); }
.release .card__meta { font: 500 12.5px/1 var(--font-mono); color: var(--ink-3); }
.release .card p { font: 400 15px/1.5 var(--font-ui); color: var(--ink-2); }
.release .card__link { font: 600 14px/1 var(--font-ui); color: var(--link); display: inline-flex; gap: 6px; align-items: center; }

.code-card { display: grid; gap: 0; overflow: hidden; padding: 0; }
.code-card__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px 10px 16px; border-bottom: 1px solid var(--rule); flex-wrap: wrap; }
pre.code {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  font: 400 14px/1.65 var(--font-mono);
  color: var(--ink);
  background: var(--surface);
  tab-size: 4;
}
pre.code .c { color: var(--ink-3); }
pre.code .s { color: var(--real); }
pre.code .k { color: var(--sign); font-weight: 500; }
:root[data-theme="dark"] pre.code .k { color: var(--link); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) pre.code .k { color: var(--link); } }

.copy-btn {
  appearance: none;
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink-2);
  font: 600 13px/1 var(--font-ui);
  padding: 7px 10px; border-radius: 7px; cursor: pointer;
}
.copy-btn:hover { color: var(--ink); border-color: var(--rule-strong); }
.copy-btn svg { width: 15px; height: 15px; }
.copy-btn.is-done { color: var(--real); border-color: var(--real); }

.licenses { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--rule); }
@media (max-width: 900px) { .licenses { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .licenses { grid-template-columns: minmax(0, 1fr); } }
.licenses div { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--rule); font-family: var(--font-ui); }
.licenses dt { font-size: 13px; font-weight: 600; color: var(--ink-3); letter-spacing: 0.06em; text-transform: uppercase; }
.licenses dd { margin: 6px 0 0; font-size: 15px; color: var(--ink); }

/* ---------- Limitations ---------- */

.limits { margin: 32px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
@media (max-width: 860px) { .limits { grid-template-columns: minmax(0, 1fr); } }
.limits li { padding: 18px 0; border-top: 1px solid var(--rule); display: grid; gap: 6px; align-content: start; }
.limits h3 { font: 600 17px/1.3 var(--font-ui); }
.limits p { font-size: 16.5px; line-height: 1.55; color: var(--ink-2); }

/* ---------- Citation ---------- */

.cite { display: grid; gap: 12px; margin-top: 28px; }

/* ---------- Footer ---------- */

.footer {
  margin-top: clamp(64px, 9vw, 112px);
  border-top: 1px solid var(--rule);
  padding-block: 32px 48px;
  font: 400 14px/1.6 var(--font-ui);
  color: var(--ink-3);
}
.footer__grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 40px; }
.footer a { color: var(--ink-2); }

/* ---------- Tooltip ---------- */

.tooltip {
  position: fixed;
  z-index: 80;
  pointer-events: none;
  min-width: 140px;
  max-width: 280px;
  padding: 10px 12px;
  border-radius: 9px;
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  box-shadow: var(--shadow);
  font: 400 13.5px/1.4 var(--font-ui);
  color: var(--ink-2);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.12s ease, transform 0.12s ease;
}
.tooltip.is-on { opacity: 1; transform: none; }
.tooltip__title { font-weight: 600; color: var(--ink); margin-bottom: 6px; font-size: 14px; }
.tooltip__row { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.tooltip__row + .tooltip__row { margin-top: 3px; }
.tooltip__key { display: inline-flex; align-items: center; gap: 7px; }
.tooltip__swatch { width: 12px; height: 3px; border-radius: 2px; background: var(--ink-3); flex: none; }
.tooltip__val { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- Motion preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .worldmap .ping { display: none; }
}

@media print {
  .nav, .copy-btn, .tabs, .seg { display: none !important; }
  body { background: #fff; }
}