:root,
html {
  color-scheme: light;
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-ui);
  line-height: 1.55;
}

button,
input,
select,
textarea {
  color: var(--color-ink);
}

a {
  color: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-info) 34%, transparent);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-150%);
  padding: 8px 12px;
  border-radius: var(--radius-control);
  background: var(--color-ink-strong);
  color: var(--color-surface);
}

.skip-link:focus {
  transform: none;
}

.topbar {
  position: sticky;
  z-index: 50;
  top: 0;
  min-height: 66px;
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(280px, 650px) auto;
  align-items: center;
  gap: 22px;
  padding: 10px 24px;
  border-top: 3px solid var(--color-red-cross);
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-surface) 96%, transparent);
  backdrop-filter: blur(12px);
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-ink-strong);
  text-decoration: none;
}

.brand img {
  width: auto;
  height: 36px;
  flex: none;
}

.brand-copy {
  min-width: 0;
  display: grid;
  padding-left: 12px;
  border-left: 1px solid var(--color-line);
  line-height: 1.15;
}

.brand-copy strong {
  overflow: hidden;
  font-size: 16px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-kicker,
.mono-label,
.eyebrow,
.paper-kicker {
  color: var(--color-red-cross);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.topbar .command-search {
  position: relative;
  min-height: 42px;
}

.topbar .command-search input {
  font-weight: 560;
}

.search-results {
  position: absolute;
  z-index: 80;
  top: calc(100% + 8px);
  right: 0;
  left: 0;
  max-height: min(480px, 70vh);
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  box-shadow: 0 18px 48px rgba(20, 32, 48, .18);
}

.search-results button {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 10px 12px;
  border: 0;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.search-results button:hover,
.search-results button[aria-selected="true"] {
  background: var(--color-surface-raised);
  color: var(--color-ink-strong);
}

.search-results button small {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.search-empty {
  margin: 0;
  padding: 16px;
  color: var(--color-muted);
  font-size: 13px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.status-chip {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .02em;
  white-space: nowrap;
}

.status-chip > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-muted);
}

.status-approved > span { background: var(--color-success); }
.status-source > span { background: var(--color-info); }
.status-pattern > span { background: var(--color-navy); }
.status-preview > span { background: var(--color-warning); }

.nav-toggle {
  display: none;
}

.icon-control {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
}

.icon-control:hover {
  border-color: var(--color-subtle);
  background: var(--color-surface-raised);
}

.icon-control svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.nav-toggle {
  display: none;
}

.page-shell {
  min-height: calc(100vh - 66px);
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.section-nav {
  position: sticky;
  top: 66px;
  height: calc(100vh - 66px);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 24px 18px;
  border-right: 1px solid var(--color-line);
  background: var(--color-surface);
}

.nav-intro {
  padding: 0 8px 18px;
  border-bottom: 1px solid var(--color-line);
}

.nav-intro p {
  margin: 7px 0 0;
  color: var(--color-muted);
  font-size: 12.5px;
  line-height: 1.45;
}

.section-nav nav {
  display: grid;
  gap: 3px;
  padding: 16px 0;
}

.section-nav nav a {
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: var(--radius-control);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.section-nav nav a:hover {
  background: var(--color-surface-raised);
  color: var(--color-ink-strong);
}

.section-nav nav a.is-active {
  background: var(--color-red-soft);
  color: var(--color-red-dark);
}

.nav-rule {
  display: grid;
  gap: 3px;
  margin-top: auto;
  padding: 14px 8px 2px;
  border-top: 1px solid var(--color-line);
  font-size: 11.5px;
}

.nav-rule strong {
  color: var(--color-ink-strong);
}

.nav-rule span {
  color: var(--color-muted);
}

main {
  min-width: 0;
}

.handbook-section {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
}

.handbook-section:nth-child(even) {
  background: var(--color-canvas);
}

.section-inner {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
  padding: 66px 0;
}

.intro-section .section-inner:first-child {
  padding-top: 76px;
  padding-bottom: 46px;
}

.intro-section .section-inner + .section-inner {
  padding-top: 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, .8fr);
  align-items: end;
  gap: 70px;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  color: var(--color-ink-strong);
  line-height: 1.12;
}

h1 {
  max-width: 820px;
  margin: 12px 0 18px;
  font-size: clamp(36px, 5.2vw, 62px);
  font-weight: 760;
  letter-spacing: -.035em;
}

h2 {
  margin: 6px 0 0;
  font-size: clamp(28px, 3.3vw, 42px);
  font-weight: 740;
  letter-spacing: -.025em;
}

h3 {
  font-size: 18px;
}

.intro-lead,
.section-lead {
  color: var(--color-muted);
  font-size: 17px;
}

.intro-lead {
  max-width: 780px;
  margin: 0;
}

.section-lead {
  max-width: 880px;
  margin: 16px 0 28px;
}

.intro-actions,
.sample-row,
.export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.intro-actions {
  margin-top: 28px;
}

.btn {
  text-decoration: none;
}

.btn:disabled {
  border-color: var(--color-line);
  background: var(--color-surface-raised);
  color: var(--color-subtle);
  cursor: not-allowed;
}

.btn-ghost:hover {
  background: var(--color-surface-raised);
}

.system-summary {
  border-top: 3px solid var(--color-red-cross);
  border-bottom: 1px solid var(--color-line);
}

.system-summary > div {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 0 12px;
  padding: 15px 0;
  border-bottom: 1px solid var(--color-line);
}

.system-summary > div:last-child {
  border-bottom: 0;
}

.system-summary span {
  grid-row: span 2;
  color: var(--color-red-cross);
  font-family: var(--font-mono);
  font-size: 31px;
  font-weight: 700;
  line-height: 1;
}

.system-summary strong {
  color: var(--color-ink-strong);
  font-size: 14px;
}

.system-summary small {
  color: var(--color-muted);
  font-size: 12px;
}

.use-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--color-line);
  background: var(--color-surface);
}

.use-flow article {
  min-height: 132px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 20px;
  border-right: 1px solid var(--color-line);
}

.use-flow article:last-child {
  border-right: 0;
}

.use-flow article > span {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-red-soft);
  color: var(--color-red-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.use-flow strong {
  color: var(--color-ink-strong);
  font-size: 14px;
}

.use-flow p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 12.5px;
  line-height: 1.45;
}

.section-heading,
.subsection-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}

.pattern-source {
  max-width: 280px;
  padding-bottom: 4px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.45;
  text-align: right;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}

.swatch {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.swatch-color {
  height: 68px;
  border-bottom: 1px solid var(--color-line);
}

.swatch-copy {
  display: grid;
  gap: 3px;
  padding: 9px 10px;
}

.swatch-copy strong {
  color: var(--color-ink-strong);
  font-size: 11px;
}

.swatch-copy code {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9.5px;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.standard-card,
.component-sample,
.agent-card,
.source-grid article {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.standard-card {
  padding: 24px;
}

.type-specimen h3 {
  margin: 9px 0 8px;
  font-size: 28px;
}

.type-specimen > p,
.type-specimen > small {
  color: var(--color-muted);
}

.type-specimen > p {
  margin: 0 0 20px;
}

.type-rule {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-mono);
}

.type-rule span {
  color: var(--color-red-dark);
  font-size: 11px;
}

.type-rule strong {
  color: var(--color-navy);
  font-size: 15px;
}

.type-specimen > small {
  display: block;
  margin-top: 14px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--color-ink);
  font-size: 13.5px;
}

.check-list li::before {
  position: absolute;
  top: .15em;
  left: 0;
  color: var(--color-success);
  content: "✓";
  font-weight: 800;
}

.document-showcase {
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(280px, .86fr) minmax(300px, 1fr);
  align-items: stretch;
  gap: 18px;
}

.paper {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  box-shadow: 0 12px 32px rgba(20, 32, 48, .09);
}

.cover-paper {
  background: var(--color-canvas);
}

.paper-red-band {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 12px;
  background: var(--color-red-cross);
}

.paper-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 48px 30px 30px 40px;
}

.paper-content h3,
.paper-body h3 {
  color: var(--color-navy);
}

.paper-content h3 {
  margin: 28px 0 16px;
  font-size: 30px;
}

.paper-content > p {
  color: var(--color-muted);
  font-size: 13px;
}

.paper-meta {
  display: grid;
  gap: 2px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 10px;
}

.paper-meta strong {
  color: var(--color-ink-strong);
}

.interior-paper > header {
  display: flex;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
}

.paper-body {
  padding: 28px 24px;
}

.paper-body h3 {
  margin: 14px 0 12px;
  font-size: 24px;
}

.paper-body > p {
  color: var(--color-muted);
  font-size: 11px;
}

.paper-metric {
  display: grid;
  gap: 2px;
  margin: 24px 0 20px;
  padding: 14px;
  border: 1px solid var(--color-line);
  background: var(--color-surface-raised);
}

.paper-metric span,
.paper-metric small {
  color: var(--color-muted);
  font-size: 9px;
}

.paper-metric strong {
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: 26px;
}

.paper table {
  width: 100%;
  border-collapse: collapse;
  font-size: 9px;
}

.paper th,
.paper td {
  padding: 7px 4px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
}

.paper th {
  border-bottom-color: var(--color-navy);
  color: var(--color-navy);
}

.document-rules {
  display: grid;
  align-content: start;
  border-top: 3px solid var(--color-navy);
}

.document-rules article {
  padding: 18px 4px;
  border-bottom: 1px solid var(--color-line);
}

.document-rules strong {
  color: var(--color-ink-strong);
  font-size: 14px;
}

.document-rules p {
  margin: 5px 0 0;
  color: var(--color-muted);
  font-size: 12.5px;
}

.map-language {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, .65fr);
  gap: 18px;
}

.map-demo {
  min-height: 470px;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) minmax(220px, 32%);
  grid-template-rows: 48px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.map-demo-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink-strong);
  font-size: 13px;
}

.map-demo-header span {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
}

.map-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  border-right: 1px solid var(--color-line);
  background: var(--color-surface);
}

.map-rail button {
  width: 100%;
  height: 44px;
  border: 0;
  border-bottom: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-ink);
  font-size: 22px;
}

.map-rail span {
  color: var(--color-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.map-canvas,
.preview-map {
  position: relative;
  overflow: hidden;
  background-color: var(--color-map-blue);
  background-image: linear-gradient(rgba(255, 255, 255, .42) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .42) 1px, transparent 1px);
  background-size: 34px 34px;
}

.map-shape {
  position: absolute;
  border: 2px solid rgba(36, 56, 79, .34);
  background: rgba(255, 255, 255, .42);
  clip-path: polygon(15% 3%, 86% 9%, 96% 56%, 66% 94%, 12% 80%, 1% 34%);
}

.shape-one { inset: 10% 46% 48% 6%; }
.shape-two { inset: 45% 32% 6% 12%; }
.shape-three { inset: 15% 7% 32% 58%; }

.map-source-symbol {
  position: absolute;
  z-index: 4;
  width: auto;
  height: 40px;
  transform: translate(-50%, -100%);
  object-fit: contain;
}

.map-zoom {
  position: absolute;
  top: 12px;
  left: 12px;
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  box-shadow: 0 4px 12px rgba(20, 32, 48, .12);
}

.map-zoom span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--color-line);
  font-weight: 700;
}

.map-zoom span:last-child { border-bottom: 0; }

.map-zoom svg,
.decision-arrow svg,
.detail-mini > header button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.map-detail {
  padding: 20px;
  border-left: 1px solid var(--color-line);
  background: var(--color-surface);
}

.map-detail h3 {
  margin: 10px 0 18px;
}

.detail-number {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.detail-number strong {
  color: var(--color-red-dark);
  font-family: var(--font-mono);
  font-size: 34px;
}

.detail-number span {
  color: var(--color-muted);
  font-size: 12px;
}

.map-detail dl,
.preview-detail dl {
  margin: 18px 0 0;
}

.map-detail dl > div,
.preview-detail dl > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 11px;
}

.map-detail dt,
.preview-detail dt { color: var(--color-muted); }
.map-detail dd,
.preview-detail dd { margin: 0; color: var(--color-ink-strong); font-weight: 650; text-align: right; }

.map-rules-stack {
  display: grid;
  align-content: start;
  border-top: 3px solid var(--color-red-cross);
}

.map-rules-stack article {
  padding: 15px 2px;
  border-bottom: 1px solid var(--color-line);
}

.map-rules-stack strong {
  color: var(--color-ink-strong);
  font-size: 13.5px;
}

.map-rules-stack p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 12px;
}

.filter-extent-rule {
  display: grid;
  grid-template-columns: minmax(190px, .55fr) minmax(260px, 1fr) minmax(360px, 1.25fr);
  align-items: start;
  gap: 28px;
  margin-top: 32px;
  padding: 24px 0;
  border-top: 2px solid var(--color-red-cross);
  border-bottom: 1px solid var(--color-line);
}

.filter-extent-rule h3 {
  margin: 7px 0 0;
  color: var(--color-ink-strong);
  font-size: 25px;
}

.filter-extent-rule > p {
  max-width: 62ch;
  margin: 0;
  color: var(--color-ink);
  font-size: 13px;
}

.filter-extent-rule dl {
  margin: 0;
}

.filter-extent-rule dl > div {
  display: grid;
  grid-template-columns: minmax(90px, .7fr) minmax(0, 1.3fr);
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 11px;
}

.filter-extent-rule dl > div:first-child { padding-top: 0; }
.filter-extent-rule dl > div:last-child { border-bottom: 0; }
.filter-extent-rule dt { color: var(--color-muted); }
.filter-extent-rule dd { margin: 0; color: var(--color-ink-strong); font-weight: 700; }

.subsection-heading {
  margin: 42px 0 16px;
  align-items: end;
}

.subsection-heading h3 {
  margin: 4px 0 0;
  font-size: 24px;
}

.subsection-heading > p {
  max-width: 340px;
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
  text-align: right;
}

.symbol-catalog {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.source-fidelity-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  margin: 14px 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  font-size: 11.5px;
}

.source-fidelity-note strong { color: var(--color-red-dark); }
.source-fidelity-note span { color: var(--color-ink); }
.source-fidelity-note code { color: var(--color-muted); font-family: var(--font-mono); font-size: 9.5px; white-space: nowrap; }

.symbol-group {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.symbol-group > header {
  padding: 13px 15px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-navy);
  font-size: 13px;
  font-weight: 750;
}

.symbol-item {
  min-height: 60px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--color-line);
}

.symbol-item:last-child { border-bottom: 0; }

.symbol-item strong {
  display: block;
  color: var(--color-ink-strong);
  font-size: 11.5px;
}

.symbol-item small {
  display: block;
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 10px;
  line-height: 1.35;
}

.symbol-mark {
  width: 42px;
  height: 44px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 750;
}

.symbol-mark.source-symbol img {
  max-width: 42px;
  max-height: 44px;
  object-fit: contain;
}

.symbol-mark.source-only {
  width: 38px;
  height: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface-raised);
  color: var(--color-muted);
}

.loading-copy {
  grid-column: 1 / -1;
  color: var(--color-muted);
}

.popup-decision {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  margin-top: 26px;
}

.popup-example {
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.popup-example h3 {
  margin: 7px 0 16px;
}

.decision-arrow {
  display: grid;
  place-items: center;
  color: var(--color-red-cross);
  font-size: 26px;
}

.decision-arrow svg {
  width: 26px;
  height: 26px;
}

.popup-mini,
.detail-mini {
  max-width: 360px;
  margin: 0 auto;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
}

.popup-mini {
  padding: 16px;
  border-radius: 10px;
}

.popup-mini > strong {
  display: block;
  color: var(--color-red-dark);
  text-align: center;
}

.popup-mini dl {
  margin: 12px 0;
  padding: 10px;
  border-radius: 6px;
  background: var(--color-map-blue);
  font-size: 11px;
}

.popup-mini dl > div {
  display: flex;
  justify-content: space-between;
}

.popup-mini dd { margin: 0; font-weight: 700; }
.popup-mini small,
.detail-mini small { color: var(--color-muted); font-size: 9px; }

.detail-mini > header {
  display: flex;
  justify-content: space-between;
  padding: 9px 11px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
}

.detail-mini > header button {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-muted);
}

.detail-mini > strong,
.detail-mini > div,
.detail-mini > small {
  display: block;
  margin: 12px;
}

.detail-mini > div {
  display: flex;
  justify-content: space-between;
  padding: 10px;
  background: var(--color-surface-raised);
  font-size: 11px;
}

.detail-principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 30px 0 38px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.detail-principles article {
  min-height: 148px;
  padding: 18px;
  border-right: 1px solid var(--color-line);
}

.detail-principles article:last-child { border-right: 0; }

.detail-principles article > span {
  display: block;
  margin-bottom: 20px;
  color: var(--color-red-cross);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.detail-principles strong,
.profile-contract > strong {
  display: block;
  color: var(--color-ink-strong);
  font-size: 13px;
}

.detail-principles p,
.profile-contract p {
  margin: 5px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.5;
}

.domain-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.profile-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.profile-caption > span:last-child {
  color: var(--color-muted);
  font-size: 10px;
}

.feature-detail-card {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.feature-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--color-line);
}

.feature-detail-header h3 {
  margin: 5px 0 0;
  color: var(--color-ink-strong);
  font-size: 21px;
  line-height: 1.15;
}

.feature-detail-header p {
  margin: 5px 0 0;
  color: var(--color-muted);
  font-size: 11px;
}

.feature-type {
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.feature-status {
  min-width: 58px;
  padding: 5px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 750;
  text-align: center;
}

.status-open {
  background: color-mix(in srgb, var(--color-success) 10%, var(--color-surface));
  color: var(--color-success);
}

.status-active {
  background: color-mix(in srgb, var(--color-red-cross) 7%, var(--color-surface));
  color: var(--color-red-dark);
}

.feature-primary {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 20px;
  background: var(--color-surface-raised);
}

.feature-primary > div {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.feature-primary strong,
.wildfire-primary strong {
  color: var(--color-red-dark);
  font-size: 38px;
  line-height: 1;
  letter-spacing: -.04em;
}

.feature-primary span,
.wildfire-primary span {
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 650;
}

.feature-primary small {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
}

.wildfire-primary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--color-surface-raised);
}

.wildfire-primary > div {
  display: grid;
  gap: 5px;
  padding: 20px;
  border-right: 1px solid var(--color-line);
}

.wildfire-primary > div:last-child { border-right: 0; }

.feature-facts {
  margin: 0;
  padding: 4px 20px;
}

.feature-facts > div {
  display: grid;
  grid-template-columns: minmax(100px, .8fr) minmax(0, 1.2fr);
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 11px;
}

.feature-facts dt { color: var(--color-muted); }
.feature-facts dd { margin: 0; color: var(--color-ink-strong); font-weight: 700; text-align: right; }

.feature-context {
  margin: 8px 20px 18px;
  padding: 13px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.feature-context strong {
  color: var(--color-navy);
  font-size: 10px;
}

.feature-context p {
  margin: 4px 0 0;
  color: var(--color-ink);
  font-size: 12px;
  line-height: 1.5;
}

.feature-source {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 20px;
  border-top: 1px solid var(--color-line);
  background: var(--color-surface-raised);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 8.5px;
}

.feature-source strong { color: var(--color-ink); text-align: right; }

.profile-contract {
  padding: 15px 2px 0;
}

.profile-contract small {
  display: block;
  margin-top: 7px;
  color: var(--color-muted);
  font-size: 10px;
}

.host-treatment {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 38px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--color-line);
}

.host-treatment article {
  min-height: 170px;
  padding: 20px;
  background: var(--color-surface);
}

.host-treatment h3 {
  margin: 16px 0 7px;
  color: var(--color-ink-strong);
  font-size: 15px;
}

.host-treatment p {
  margin: 0;
  color: var(--color-muted);
  font-size: 11.5px;
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.shortcut-grid article {
  min-height: 120px;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

kbd {
  display: inline-grid;
  min-width: 42px;
  min-height: 36px;
  place-items: center;
  padding: 5px 8px;
  border: 1px solid var(--color-line);
  border-bottom-width: 3px;
  border-radius: 6px;
  background: var(--color-surface-raised);
  color: var(--color-ink-strong);
  font-family: var(--font-mono);
  font-size: 12px;
}

.shortcut-grid strong {
  color: var(--color-ink-strong);
  font-size: 13px;
}

.shortcut-grid p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 11.5px;
}

.interaction-rules {
  margin-top: 16px;
}

.surface-list {
  margin: 14px 0 0;
}

.surface-list > div {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 12px;
}

.surface-list dt {
  color: var(--color-navy);
  font-weight: 750;
}

.surface-list dd {
  margin: 0;
  color: var(--color-muted);
}

.component-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.component-sample {
  min-height: 150px;
  padding: 22px;
}

.component-sample .sample-row,
.component-sample .segment-control,
.component-sample .action-tile {
  margin-top: 18px;
}

.component-sample > p {
  margin: 15px 0 0;
  color: var(--color-muted);
  font-size: 12px;
}

.icon-row {
  gap: 8px;
}

.playground-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
}

.token-controls {
  align-self: start;
  display: grid;
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.control-heading,
.token-controls label > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.control-heading strong {
  color: var(--color-ink-strong);
  font-size: 14px;
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-red-dark);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.token-controls label {
  display: grid;
  gap: 8px;
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 650;
}

.token-controls output {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
}

.token-controls input[type="color"] {
  width: 100%;
  height: 36px;
  padding: 3px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface);
}

.token-controls input[type="range"] {
  width: 100%;
  accent-color: var(--color-red-cross);
}

.token-controls select {
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  font: inherit;
}

.proposal-delta {
  min-height: 56px;
  padding: 10px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface-raised);
  color: var(--color-muted);
  font-size: 11px;
}

.export-actions .btn {
  flex: 1;
  padding-right: 9px;
  padding-left: 9px;
  font-size: 11px;
}

.playground-preview {
  --preview-red: #d8001b;
  --preview-canvas: #f5f6f7;
  --preview-navy: #24384f;
  --preview-radius: 6px;
  --preview-gap: 14px;
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--preview-canvas);
}

.playground-preview[data-density="comfortable"] {
  --preview-gap: 22px;
}

.preview-app {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--preview-radius);
  background: var(--color-surface);
  box-shadow: 0 10px 24px rgba(20, 32, 48, .09);
}

.preview-app > header {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px var(--preview-gap);
  border-top: 3px solid var(--preview-red);
  border-bottom: 1px solid var(--color-line);
}

.preview-app > header > div {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--preview-navy);
  font-size: 13px;
}

.preview-logo {
  width: 18px;
  height: 18px;
  display: block;
  border-radius: 50%;
  background: var(--preview-red);
}

.preview-primary {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--preview-red);
  border-radius: var(--preview-radius);
  background: var(--preview-red);
  color: var(--color-surface);
  font-size: 10px;
  font-weight: 750;
}

.preview-workspace {
  min-height: 360px;
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 190px;
}

.preview-workspace > aside {
  padding: var(--preview-gap);
  border-right: 1px solid var(--color-line);
}

.preview-workspace > aside:last-child {
  border-right: 0;
  border-left: 1px solid var(--color-line);
}

.preview-workspace label {
  display: grid;
  gap: 4px;
  margin: 16px 0;
  color: var(--color-muted);
  font-size: 9px;
}

.preview-workspace select {
  min-height: 30px;
  padding: 0 7px;
  border: 1px solid var(--color-line);
  border-radius: var(--preview-radius);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 10px;
}

.preview-segment {
  width: 100%;
  min-height: 30px;
  margin-bottom: 5px;
  border: 1px solid var(--color-line);
  border-radius: var(--preview-radius);
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 10px;
}

.preview-segment.is-selected {
  border-color: var(--preview-red);
  background: color-mix(in srgb, var(--preview-red) 8%, white);
  color: var(--preview-red);
}

.preview-map {
  min-height: 360px;
}

.preview-detail h3 {
  margin: 8px 0 20px;
  color: var(--preview-navy);
  font-size: 16px;
}

.preview-metric {
  display: block;
  color: var(--preview-red);
  font-family: var(--font-mono);
  font-size: 23px;
}

.preview-detail > small {
  color: var(--color-muted);
  font-size: 9px;
}

.preview-document {
  padding: calc(var(--preview-gap) + 4px);
  border: 1px solid var(--color-line);
  border-radius: var(--preview-radius);
  background: var(--color-surface);
  box-shadow: 0 8px 20px rgba(20, 32, 48, .07);
}

.preview-document h3 {
  max-width: 620px;
  margin: 10px 0;
  color: var(--preview-navy);
  font-size: 22px;
}

.preview-document > p {
  max-width: 700px;
  color: var(--color-muted);
  font-size: 12px;
}

.preview-document > div {
  display: grid;
  gap: 2px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
  font-size: 11px;
}

.preview-document > div strong { color: var(--preview-red); }

.agent-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.agent-card {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 20px;
}

.agent-card > header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.agent-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-surface);
  font-family: var(--font-mono);
  font-weight: 700;
}

.agent-card header div {
  display: grid;
  gap: 2px;
}

.agent-card header strong { color: var(--color-ink-strong); }
.agent-card header small { color: var(--color-muted); }

.agent-card pre {
  min-height: 190px;
  overflow-x: auto;
  margin: 0;
  padding: 15px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-surface-raised);
  white-space: pre-wrap;
}

.agent-card code,
.install-command code {
  color: var(--color-ink);
  font-family: var(--font-ui);
  font-size: 12px;
  line-height: 1.55;
}

.agent-card .btn {
  justify-self: start;
}

.install-command {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 12px;
  padding: 16px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-ink-strong);
  color: var(--color-surface);
}

.install-command > div {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.install-command .mono-label { color: var(--color-red-soft); }

.install-command code {
  overflow-wrap: anywhere;
  color: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 11px;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.source-grid article {
  padding: 18px;
}

.source-grid h3 {
  margin: 16px 0 8px;
  font-size: 16px;
}

.source-grid p {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
}

.source-grid code {
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: 10px;
}

.closing-rule {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 30px;
  margin-top: 24px;
  padding: 22px;
  border: 1px solid color-mix(in srgb, var(--color-red-cross) 24%, var(--color-line));
  border-radius: var(--radius-panel);
  background: var(--color-red-soft);
}

.closing-rule strong {
  color: var(--color-red-dark);
  font-size: 20px;
  white-space: nowrap;
}

.closing-rule p {
  margin: 0;
  color: var(--color-ink);
  font-size: 13px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  border-top: 1px solid var(--color-line);
  background: var(--color-ink-strong);
  color: var(--color-surface);
}

.site-footer > div {
  display: grid;
  gap: 2px;
}

.site-footer span {
  color: var(--color-line);
  font-size: 11px;
}

.site-footer a {
  color: var(--color-surface);
  font-size: 12px;
}

.toast {
  position: fixed;
  z-index: 100;
  right: 18px;
  bottom: 18px;
  max-width: 340px;
  padding: 11px 14px;
  border: 1px solid var(--color-line);
  border-color: color-mix(in srgb, var(--color-success) 40%, var(--color-line));
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: 0 14px 38px rgba(20, 32, 48, .18);
  font-size: 12px;
}

@media (max-width: 1120px) {
  .topbar {
    grid-template-columns: minmax(220px, 280px) minmax(260px, 1fr) auto;
    gap: 14px;
  }
  .topbar .status-chip { display: none; }
  .source-link { display: none; }
  .page-shell { grid-template-columns: 220px minmax(0, 1fr); }
  .section-inner { width: min(100% - 42px, 1080px); }
  .intro-grid { gap: 38px; }
  .swatch-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .document-showcase { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .document-rules { grid-column: 1 / -1; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .document-rules article:nth-child(odd) { border-right: 1px solid var(--color-line); }
  .symbol-catalog { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .source-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-extent-rule { grid-template-columns: minmax(180px, .55fr) minmax(0, 1.45fr); }
  .filter-extent-rule dl { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }
}

@media (max-width: 840px) {
  :root,
  html { scroll-padding-top: 68px; }
  .topbar {
    min-height: 64px;
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 8px 14px;
  }
  .brand-copy strong { font-size: 14px; }
  .brand-kicker { font-size: 9px; }
  .topbar .command-search {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .topbar-actions { grid-column: 2; grid-row: 1; }
  .nav-toggle { display: inline-flex; }
  .page-shell { display: block; }
  .section-nav {
    position: fixed;
    z-index: 60;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: min(330px, 88vw);
    height: 100vh;
    transform: translateX(105%);
    border-right: 0;
    border-left: 1px solid var(--color-line);
    box-shadow: -18px 0 46px rgba(20, 32, 48, .18);
    transition: transform 180ms ease;
  }
  .section-nav.is-open { transform: none; }
  .section-inner { width: min(100% - 32px, 760px); padding: 52px 0; }
  .intro-section .section-inner:first-child { padding-top: 56px; }
  .intro-grid,
  .map-language,
  .domain-detail-grid,
  .playground-layout { grid-template-columns: 1fr; }
  .system-summary { margin-top: 16px; }
  .use-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .use-flow article:nth-child(2) { border-right: 0; }
  .use-flow article:nth-child(-n + 2) { border-bottom: 1px solid var(--color-line); }
  .swatch-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .shortcut-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .component-board,
  .agent-grid { grid-template-columns: 1fr; }
  .map-demo { grid-template-columns: 42px minmax(0, 1fr); }
  .map-detail { grid-column: 1 / -1; border-top: 1px solid var(--color-line); border-left: 0; }
  .map-demo { grid-template-rows: 48px 320px auto; }
  .map-rules-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .map-rules-stack article:nth-child(odd) { border-right: 1px solid var(--color-line); }
  .detail-principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-principles article:nth-child(2) { border-right: 0; }
  .detail-principles article:nth-child(-n + 2) { border-bottom: 1px solid var(--color-line); }
  .host-treatment { grid-template-columns: 1fr; }
  .preview-workspace { grid-template-columns: 130px minmax(0, 1fr); }
  .preview-detail { grid-column: 1 / -1; border-top: 1px solid var(--color-line); border-left: 0 !important; }
  .source-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .brand img { height: 30px; }
  .brand-copy { padding-left: 9px; }
  .topbar { gap: 8px; }
  .section-inner { width: min(100% - 24px, 560px); padding: 42px 0; }
  h1 { font-size: 36px; }
  h2 { font-size: 29px; }
  .intro-lead,
  .section-lead { font-size: 15px; }
  .section-heading,
  .subsection-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
  .pattern-source,
  .subsection-heading > p { max-width: none; text-align: left; }
  .use-flow,
  .two-column,
  .shortcut-grid,
  .symbol-catalog,
  .source-grid { grid-template-columns: 1fr; }
  .use-flow article { border-right: 0; border-bottom: 1px solid var(--color-line); }
  .use-flow article:last-child { border-bottom: 0; }
  .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .source-fidelity-note { grid-template-columns: 1fr; gap: 4px; }
  .source-fidelity-note code { white-space: normal; }
  .document-showcase { grid-template-columns: 1fr; }
  .paper { min-height: 420px; }
  .document-rules { grid-template-columns: 1fr; }
  .document-rules article:nth-child(odd) { border-right: 0; }
  .map-demo { min-height: 0; }
  .map-rules-stack { grid-template-columns: 1fr; }
  .map-rules-stack article:nth-child(odd) { border-right: 0; }
  .filter-extent-rule { grid-template-columns: 1fr; gap: 15px; margin-top: 26px; }
  .filter-extent-rule > p,
  .filter-extent-rule dl > div { font-size: 14px; }
  .filter-extent-rule dl { grid-column: auto; grid-template-columns: 1fr; }
  .popup-decision { grid-template-columns: 1fr; }
  .decision-arrow { transform: rotate(90deg); }
  .detail-principles { grid-template-columns: 1fr; }
  .detail-principles article,
  .detail-principles article:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--color-line); }
  .detail-principles article:last-child { border-bottom: 0; }
  .profile-caption { align-items: flex-start; flex-direction: column; gap: 3px; }
  .profile-caption > span:last-child,
  .feature-type,
  .feature-primary small,
  .feature-source,
  .profile-contract small { font-size: 12px; }
  .detail-principles p,
  .feature-facts > div,
  .feature-context p,
  .profile-contract p,
  .host-treatment p { font-size: 14px; }
  .feature-detail-header { padding: 17px 16px 14px; }
  .feature-primary { align-items: flex-start; flex-direction: column; padding: 16px; }
  .feature-facts { padding-right: 16px; padding-left: 16px; }
  .feature-context { margin-right: 16px; margin-left: 16px; }
  .feature-source { align-items: flex-start; flex-direction: column; padding-right: 16px; padding-left: 16px; }
  .feature-source strong { text-align: left; }
  .component-sample { padding: 16px; }
  .sample-row .btn { flex: 1; }
  .preview-workspace { grid-template-columns: 1fr; }
  .preview-workspace > aside:first-child { border-right: 0; border-bottom: 1px solid var(--color-line); }
  .preview-map { min-height: 260px; }
  .closing-rule { grid-template-columns: 1fr; gap: 8px; }
  .closing-rule strong { white-space: normal; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .install-command { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}