.format-main code,
.format-page pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.format-page {
  --docs-control: #f8faf7;
  --docs-control-hover: #eef1ec;
  --docs-stage: #edf2ee;
  --docs-shadow: 0 24px 70px rgba(20, 24, 21, 0.24);
}

.format-docs-header {
  width: min(var(--content), calc(100% - 56px));
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-inline: auto;
  border-bottom: 1px solid var(--line-strong);
}

.format-docs-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.015em;
  text-decoration: none;
}

.format-docs-brand img { width: 28px; height: 28px; border-radius: 7px; }
.format-docs-brand b { color: var(--line-strong); font-weight: 400; }
.format-docs-brand strong { font-weight: 600; }
.format-docs-brand code {
  margin-left: 3px;
  padding: 2px 5px;
  color: var(--muted);
  background: var(--surface-muted);
  border-radius: 4px;
  font-size: 10px;
}

.format-docs-nav { display: flex; align-items: center; gap: 20px; font-size: 12px; font-weight: 600; }
.format-docs-nav a {
  min-height: 64px;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms cubic-bezier(0.22, 1, 0.36, 1);
}
.format-docs-nav a:hover, .format-docs-nav a[aria-current="page"] { color: var(--ink); }
.format-docs-nav a[aria-current="page"] { font-weight: 700; }

.format-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  align-items: center;
  gap: clamp(42px, 6vw, 88px);
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--line-strong);
}

.format-intro { max-width: 700px; }

.format-kicker,
.section-label {
  margin: 0 0 16px;
  color: var(--accent-hover);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.format-hero h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(48px, 6vw, 76px);
}

.format-lead {
  max-width: 700px;
  margin-bottom: 40px;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.format-lead code {
  padding: 0.08em 0.28em;
  background: var(--surface-muted);
  font-size: 0.82em;
}

.format-counts {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
}

.format-counts div {
  min-width: 124px;
  padding: 0 26px;
  border-left: 1px solid var(--line-strong);
}

.format-counts div:first-child { padding-left: 0; border-left: 0; }
.format-counts dt { font-size: 30px; font-weight: 700; letter-spacing: -0.04em; }
.format-counts dd { margin: 0; color: var(--muted); font-size: 13px; }

.package-map {
  overflow: hidden;
  color: #e9ece9;
  background: var(--dark);
  border: 1px solid #111411;
  border-top: 3px solid var(--accent);
}

.package-map-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 18px;
  border-bottom: 1px solid #424745;
  font-size: 13px;
  font-weight: 650;
}

.package-map-heading code { color: #adb4af; font-size: 10px; font-weight: 400; }

.package-map pre {
  margin: 0;
  padding: 28px 28px 24px;
  color: #bfc5c1;
  font-size: 13px;
  line-height: 1.8;
}

.package-map pre span { color: #ff8a70; }
.package-map pre b { color: white; font-weight: 600; }
.package-map > p { margin: 0; padding: 16px 18px; color: #aeb5b0; border-top: 1px solid #424745; font-size: 12px; }

.row-anatomy h2,
.native-gallery h2,
.row-reference h2 {
  margin-bottom: 0;
  font-size: clamp(38px, 4.8vw, 60px);
}

.row-anatomy {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(48px, 9vw, 130px);
  align-items: center;
  padding: 104px 0;
  border-bottom: 1px solid var(--line-strong);
}

.anatomy-copy > p:not(.section-label) { max-width: 610px; margin-top: 24px; color: var(--muted); }
.anatomy-copy code { color: var(--ink); font-size: 0.88em; }
.anatomy-copy .reference-note { padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; }

.row-example {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line-strong);
}

.row-example-preview {
  padding: 34px 32px;
  background: var(--surface-muted);
}

.row-example-preview span {
  display: block;
  padding: 15px 17px;
  background: white;
  border: 1px solid rgba(25, 28, 26, 0.18);
  font-size: 16px;
  font-weight: 650;
}

.row-example pre {
  max-height: 330px;
  overflow: auto;
  margin: 0;
  padding: 24px 26px;
  color: #dce1dd;
  background: var(--dark);
  font-size: 12px;
  line-height: 1.65;
}

.native-gallery {
  padding: 104px 0 112px;
  border-bottom: 1px solid var(--line-strong);
}

.native-gallery-heading {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(48px, 9vw, 130px);
  align-items: end;
  margin-bottom: 54px;
}

.native-gallery-heading p:not(.section-label) {
  max-width: 620px;
  margin-bottom: 18px;
  color: var(--muted);
}

.native-comparison-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }

.native-example { min-width: 0; border-top: 2px solid var(--ink); }

.native-example > header {
 display: flex;
 align-items: baseline;
 justify-content: space-between;
 gap: 16px;
 padding: 11px 0;
}

.native-example h3 { margin: 0; font-size: 15px; }
.native-example header code { color: var(--muted); font-size: 10px; }

.native-pair {
 display: grid;
 grid-template-columns: repeat(2, minmax(0, 1fr));
 gap: 0;
 background: var(--line-strong);
 border: 1px solid var(--line-strong);
}

.native-pair figure { min-width: 0; margin: 0; background: var(--surface); }

.native-image-stage {
 display: block;
 padding: 16px;
 background: var(--surface-muted);
}

.native-image-stage img {
  display: block;
  width: 100%;
  height: auto;
}

.native-pair figcaption {
 padding: 9px 12px;
 background: var(--surface);
 border-top: 1px solid var(--line-strong);
 font-size: 12px;
 font-weight: 700;
}

.catalog-callout {
 display: flex;
 align-items: end;
 justify-content: space-between;
 gap: 32px;
 margin-top: 52px;
 padding-top: 22px;
 border-top: 1px solid var(--line-strong);
}

.catalog-callout h3 { margin-bottom: 5px; font-size: 18px; }
.catalog-callout p { max-width: 680px; margin: 0; color: var(--muted); }

.catalog-intro { padding: 26px 0 22px; border-bottom: 1px solid var(--line-strong); }

.catalog-intro-grid { display: flex; align-items: center; justify-content: space-between; gap: 40px; }

.catalog-intro h1 { margin-bottom: 6px; font-size: clamp(32px, 4.4vw, 48px); }
.catalog-intro-grid > div:first-child > p { max-width: 720px; margin: 0; color: var(--muted); font-size: 16px; }

.row-reference { padding: 30px 0 72px; }

.reference-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 42px;
}

.reference-heading > div > p:last-child { max-width: 680px; margin: 20px 0 0; color: var(--muted); }

.reference-links {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 18px;
}

.registry-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 7px 0;
  color: var(--accent-hover);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: color 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.registry-link:hover { color: var(--ink); }

.reference-controls {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) repeat(3, 164px);
  gap: 10px;
  padding: 12px 0 14px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.reference-controls label > span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.reference-controls input,
.reference-controls select {
  width: 100%;
  height: 38px;
  padding: 0 10px;
  color: var(--ink);
  background: var(--docs-control);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  outline: none;
  font: inherit;
  transition: background-color 180ms cubic-bezier(0.22, 1, 0.36, 1), border-color 180ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reference-controls input:hover,
.reference-controls select:hover { background: var(--surface); border-color: var(--ink-soft); }

.reference-controls input:focus,
.reference-controls select:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(22, 25, 22, 0.12); }

.support-key {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 44px;
  color: var(--muted);
  font-size: 12px;
}

.support-key > span { display: inline-flex; align-items: center; gap: 7px; }
.support-key .web-support-note { color: var(--ink-soft); }
.support-key .results-count { margin-left: auto; color: var(--ink); font-weight: 650; }

.registry-table-wrap { border-top: 1px solid var(--line-strong); }
.registry-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.registry-table th, .registry-table td { border-bottom: 1px solid var(--line); text-align: left; }
.registry-table thead th { padding: 10px 12px; color: var(--muted); font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; }
.registry-table thead th:first-child { width: 35%; padding-left: 0; }
.registry-table thead th:nth-child(2) { width: 8%; }
.registry-table thead th:nth-child(3) { width: 15%; }
.registry-table thead th:nth-child(4) { width: 12%; }
.registry-table thead th:nth-child(n + 5) { width: 10%; text-align: center; }
.registry-table tbody th { padding: 11px 16px 11px 0; font-weight: 400; }
.registry-table tbody td { padding: 11px 12px; }
.registry-table tbody tr { transition: background-color 140ms cubic-bezier(0.22, 1, 0.36, 1); }
.registry-table tbody tr:hover { background: rgba(251, 252, 250, 0.72); }

.row-name { display: inline; margin-right: 8px; font-size: 14px; font-weight: 700; }
.registry-table tbody th code { display: inline; color: #3f4843; font-size: 11px; }
.row-identity { display: flex; align-items: baseline; gap: 8px; min-width: 0; white-space: nowrap; }
.registry-table tbody th .row-summary { min-width: 0; margin: 0; overflow: hidden; color: var(--muted); font-size: 12px; font-weight: 400; text-overflow: ellipsis; }
.row-preview-button {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0 9px;
  color: var(--ink);
  background: var(--docs-control);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  transition: background-color 160ms cubic-bezier(0.22, 1, 0.36, 1), border-color 160ms cubic-bezier(0.22, 1, 0.36, 1), transform 160ms cubic-bezier(0.22, 1, 0.36, 1);
}

.row-preview-button svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
}

.row-preview-button:hover { background: var(--docs-control-hover); border-color: var(--line-strong); }
.row-preview-button:active { transform: scale(0.97); }

.preview-cell { color: var(--muted); font-size: 12px; }

.row-preview-button:focus-visible,
.row-preview-close:focus-visible,
.appearance-toggle button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.row-preview-dialog {
  width: min(1180px, calc(100% - 32px));
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  box-sizing: border-box;
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: var(--docs-shadow);
  overscroll-behavior: contain;
}

.row-preview-dialog::backdrop { background: rgba(20, 23, 21, 0.72); }

html.row-preview-open,
body.row-preview-open { overflow: hidden; }

.row-preview-dialog-header {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 24px;
  padding: 14px 18px;
  background: var(--paper);
  border-bottom: 1px solid var(--line-strong);
}

.row-preview-dialog-title { min-width: 0; }
.row-preview-dialog h2 { margin: 0 0 2px; font-size: 18px; }
.row-preview-dialog-header code {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.appearance-control { display: inline-flex; align-items: center; }
.appearance-label {
  display: block;
  margin-right: 8px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
}

.row-preview-close {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  color: var(--ink);
  background: var(--docs-control);
  border: 1px solid var(--line);
  border-radius: 7px;
  font: inherit;
}

.row-preview-close-form { margin: 0; }
.row-preview-close { cursor: pointer; }
.row-preview-close:hover { background: var(--docs-control-hover); border-color: var(--line-strong); }
.row-preview-close svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 1.6; }

.appearance-toggle {
  display: inline-flex;
  min-height: 34px;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--docs-control);
}

.appearance-toggle button {
  min-width: 66px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 9px;
  border: 0;
  border-radius: 4px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  transition: color 160ms cubic-bezier(0.22, 1, 0.36, 1), background-color 160ms cubic-bezier(0.22, 1, 0.36, 1);
}

.appearance-toggle button svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.25;
}

.appearance-toggle button:hover:not([aria-pressed="true"]) { color: var(--ink); background: var(--docs-control-hover); }

.appearance-toggle button[aria-pressed="true"] {
  color: #fff;
  background: var(--dark);
}

.row-preview-scroll {
  max-height: calc(100vh - 98px);
  max-height: calc(100dvh - 98px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--line-strong) transparent;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.row-preview-scroll::-webkit-scrollbar { width: 8px; }
.row-preview-scroll::-webkit-scrollbar-track { background: transparent; }
.row-preview-scroll::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  background-clip: padding-box;
  border: 2px solid transparent;
  border-radius: 999px;
}

.row-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-strong);
}

.row-preview-grid.has-web { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.row-preview-grid figure { min-width: 0; display: grid; grid-template-rows: auto minmax(0, 1fr); margin: 0; background: var(--surface); }

.row-preview-image-stage {
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--docs-stage);
}

.row-preview-image-stage img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(62vh, 680px);
  object-fit: contain;
}

.row-preview-grid figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  order: -1;
  padding: 10px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--line-strong);
  font-size: 12px;
}

.row-preview-grid figcaption span { color: var(--muted); }
.category-cell { color: var(--muted); font-size: 13px; }
.version-cell { color: var(--ink-soft); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.support-cell { text-align: center !important; }

.support-mark {
  width: 20px;
  height: 20px;
  display: inline-grid;
  place-items: center;
  color: #909692;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.support-mark.is-supported { color: var(--surface); background: var(--accent-hover); border-color: var(--accent-hover); }
.registry-error, .empty-results { margin: 0; padding: 28px 0; color: var(--muted); border-bottom: 1px solid var(--line); }
.registry-error { color: #9a2f1d; }

.chart-reference-main h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
}

.chart-reference-main h3 { margin: 0; }

.chart-contract,
.chart-properties-section,
.chart-presets-section,
.chart-examples-section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line-strong);
}

.chart-section-heading,
.chart-gallery-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 32px;
}

.chart-section-heading p,
.chart-gallery-heading p {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
}

.chart-type-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.chart-type-list article {
  min-width: 0;
  padding: 20px 22px 22px;
  border-left: 1px solid var(--line-strong);
}

.chart-type-list article:first-child { border-left: 0; padding-left: 0; }
.chart-type-list h3 { margin-bottom: 2px; font-size: 16px; }
.chart-type-list code { color: var(--accent-hover); font-size: 11px; }
.chart-type-list p { margin: 14px 0 0; color: var(--muted); font-size: 13px; }

.chart-code-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(460px, 1.28fr);
  gap: clamp(42px, 8vw, 112px);
  align-items: start;
  margin-top: 64px;
}

.chart-code-layout h3 { margin-bottom: 14px; font-size: 20px; }
.chart-code-layout p { max-width: 520px; color: var(--muted); }
.chart-code-layout code { color: var(--ink); font-size: 0.9em; }
.chart-code-layout pre {
  max-height: 520px;
  overflow: auto;
  margin: 0;
  padding: 24px 26px;
  color: #dce1dd;
  background: var(--dark);
  border-top: 3px solid var(--accent);
  font-size: 12px;
  line-height: 1.6;
}
.chart-code-layout pre code { color: inherit; }

.chart-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
}

.chart-property-table,
.chart-preset-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.chart-property-table th,
.chart-property-table td,
.chart-preset-table th,
.chart-preset-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.chart-property-table thead th,
.chart-preset-table thead th {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.chart-property-table thead th:first-child { width: 17%; padding-left: 0; }
.chart-property-table thead th:nth-child(2) { width: 24%; }
.chart-property-table thead th:nth-child(3) { width: 10%; }
.chart-property-table thead th:nth-child(4) { width: 13%; }
.chart-property-table tbody th,
.chart-preset-table tbody th { padding-left: 0; font-weight: 500; }
.chart-property-table tbody td { color: var(--muted); font-size: 13px; }
.chart-property-table tbody td code { color: var(--ink-soft); font-size: 0.88em; }

.chart-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(40px, 8vw, 112px);
  margin-top: 58px;
}

.chart-detail-grid h3 { margin-bottom: 12px; font-size: 20px; }
.chart-field-list { margin: 0; border-top: 1px solid var(--line-strong); }
.chart-field-list div {
  display: grid;
  grid-template-columns: minmax(120px, 0.38fr) minmax(0, 1fr);
  gap: 20px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.chart-field-list dt { font-size: 12px; }
.chart-field-list dd { margin: 0; color: var(--muted); font-size: 13px; }

.chart-preset-table { min-width: 760px; }
.chart-preset-table thead th:first-child { width: 20%; padding-left: 0; }
.chart-preset-table tbody td { color: var(--muted); font-size: 13px; }

.chart-gallery-heading .appearance-control { flex: 0 0 auto; }
.chart-gallery-heading .appearance-toggle button { min-height: 30px; }

.chart-example-list { border-top: 1px solid var(--line-strong); }
.chart-render-example { padding: 44px 0 52px; border-bottom: 1px solid var(--line-strong); }
.chart-render-example:last-child { border-bottom: 0; padding-bottom: 0; }
.chart-render-example > header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 18px;
}
.chart-render-example h3 { margin-bottom: 5px; font-size: 18px; }
.chart-render-example header p { max-width: 760px; margin: 0; color: var(--muted); font-size: 13px; }
.chart-render-example > header > code { flex: 0 0 auto; color: var(--accent-hover); font-size: 11px; }

.chart-render-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}
.chart-render-grid figure { min-width: 0; margin: 0; background: var(--surface); }
.chart-render-grid figcaption {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 12px;
}
.chart-render-grid figcaption span { color: var(--muted); }
.chart-render-grid figure > a {
  height: 620px;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 14px;
  background: var(--docs-stage);
}
.chart-render-grid img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.chart-render-grid figure > a:focus-visible { outline: 3px solid var(--ink); outline-offset: -3px; }

@media (max-width: 980px) {
  .format-hero,
  .row-anatomy,
  .native-gallery-heading { grid-template-columns: 1fr; }
  .format-hero { align-items: start; }
  .package-map { width: min(650px, calc(100% - 16px)); }
  .row-anatomy,
  .native-gallery-heading { gap: 52px; }
 .native-comparison-grid { grid-template-columns: 1fr; }
 .catalog-intro-grid { align-items: start; flex-direction: column; gap: 14px; }
  .chart-type-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chart-type-list article:nth-child(3) { border-left: 0; }
  .chart-type-list article:nth-child(n + 3) { border-top: 1px solid var(--line-strong); }
  .chart-code-layout { grid-template-columns: 1fr; gap: 32px; }
  .reference-controls { grid-template-columns: 1fr 1fr; }
  .search-control { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .format-docs-header { width: calc(100% - 28px); min-height: 56px; gap: 12px; }
  .format-docs-brand { gap: 6px; font-size: 13px; }
  .format-docs-brand img { width: 24px; height: 24px; }
  .format-docs-brand > span,
  .format-docs-brand > b { display: none; }
  .format-docs-brand code { display: none; }
  .format-docs-nav { gap: 14px; font-size: 12px; }
  .format-docs-nav a { min-height: 56px; }
  .format-docs-nav a:first-child { display: none; }
  .format-docs-nav a:last-child { display: none; }
  .chart-contract,
  .chart-properties-section,
  .chart-presets-section,
  .chart-examples-section { padding: 54px 0; }
  .chart-section-heading,
  .chart-gallery-heading { align-items: start; flex-direction: column; gap: 20px; }
  .chart-type-list { grid-template-columns: 1fr; }
  .chart-type-list article,
  .chart-type-list article:first-child { padding: 17px 0; border-left: 0; border-top: 1px solid var(--line); }
  .chart-type-list article:first-child { border-top: 0; }
  .chart-type-list article:nth-child(n + 3) { border-top-color: var(--line); }
  .chart-code-layout { margin-top: 42px; }
  .chart-code-layout pre { padding: 20px 17px; font-size: 10px; }
  .chart-property-table { min-width: 880px; }
  .chart-detail-grid { grid-template-columns: 1fr; gap: 42px; }
  .chart-field-list div { grid-template-columns: minmax(110px, 0.42fr) minmax(0, 1fr); }
  .chart-render-example { padding: 34px 0 40px; }
  .chart-render-example > header { flex-direction: column; gap: 8px; }
  .chart-render-grid { grid-template-columns: 1fr; }
  .chart-render-grid figure > a { height: min(760px, 105vh); }
  .format-hero { gap: 54px; padding: 48px 0 56px; }
  .format-hero h1 { font-size: clamp(46px, 14vw, 64px); }
  .format-counts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; width: 100%; }
  .format-counts div { min-width: 0; padding: 0 12px; }
  .format-counts div:nth-child(3) { padding-left: 12px; border-left: 1px solid var(--line-strong); }
  .format-counts dt { font-size: 28px; }
  .package-map { width: 100%; }
  .package-map-heading { align-items: start; flex-direction: column; gap: 4px; }
  .package-map pre { padding: 22px 18px; font-size: 11px; }
  .row-anatomy,
  .native-gallery { padding: 76px 0; }
  .row-reference { padding: 22px 0 56px; }
  .row-anatomy { grid-template-columns: minmax(0, 1fr); }
  .row-example-preview { padding: 24px 18px; }
  .row-example pre { padding: 20px 18px; font-size: 10px; }
  .native-gallery-heading { margin-bottom: 34px; }
 .native-comparison-grid { gap: 34px; }
 .native-image-stage { padding: 14px 8px; }
 .catalog-callout { align-items: start; flex-direction: column; }
 .catalog-intro { padding: 20px 0 18px; }
  .reference-heading { align-items: start; flex-direction: column; gap: 24px; }
  .reference-links { align-items: center; flex-direction: row; flex-wrap: wrap; gap: 8px 18px; }
  .row-reference,
  .registry-table-wrap { min-width: 0; max-width: 100%; overflow: hidden; }
  .reference-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); min-width: 0; max-width: 100%; padding: 10px 0 12px; }
  .reference-controls input,
  .reference-controls select { min-width: 0; }
  .search-control,
  .reference-controls label[for="platform-filter"] { grid-column: 1 / -1; }
  .support-key {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px;
    padding: 12px 0;
    font-size: 10px;
  }
  .support-key .results-count { width: auto; margin-left: 0; justify-self: end; text-align: right; }
  .registry-table,
  .registry-table tbody,
  .registry-table tr,
  .registry-table th,
  .registry-table td { display: block; }
  .registry-table thead { display: none; }
  .registry-table tbody tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) repeat(4, auto);
    gap: 10px 14px;
    padding: 13px 0;
    border-bottom: 1px solid var(--line-strong);
  }
  .registry-table th,
  .registry-table td { border: 0; }
  .registry-table tbody th { grid-column: 1 / 5; grid-row: 1; padding: 0; }
  .row-identity { display: block; white-space: normal; }
  .registry-table tbody th .row-summary { display: block; margin: 4px 0 0; overflow: visible; text-overflow: clip; }
  .category-cell,
  .version-cell,
  .support-cell { order: 1; }
  .preview-cell { grid-column: 5; grid-row: 1; align-self: start; padding: 0 !important; text-align: right; }
  .row-preview-button { width: 32px; min-height: 32px; justify-content: center; padding: 0; }
  .row-preview-button span { display: none; }
  .registry-table tbody td { padding: 0; }
  .category-cell,
 .version-cell,
  .support-cell { text-align: left !important; }
  .category-cell::before,
 .version-cell::before,
  .support-cell::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 7px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .category-cell { padding-right: 8px !important; font-size: 11px; }
 .version-cell { padding-right: 8px !important; font-size: 10px; }
  .format-footer nav { flex-wrap: wrap; }
  .row-preview-dialog {
    width: calc(100% - 12px);
    max-height: calc(100vh - 12px);
    max-height: calc(100dvh - 12px);
    border-radius: 9px;
  }
  .row-preview-dialog-header {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title close"
      "appearance appearance";
    gap: 10px 12px;
    padding: 12px;
  }
  .row-preview-dialog-title { grid-area: title; align-self: center; }
  .appearance-control { grid-area: appearance; }
  .row-preview-close-form { grid-area: close; align-self: start; }
  .row-preview-close { width: 38px; height: 38px; }
  .row-preview-scroll {
    max-height: calc(100vh - 121px);
    max-height: calc(100dvh - 121px);
  }
  .appearance-label { display: none; }
  .row-preview-grid,
  .row-preview-grid.has-web { grid-template-columns: 1fr; }
  .row-preview-image-stage { padding: 14px 12px; }
  .row-preview-grid figcaption { padding: 8px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .format-page *,
  .format-page *::before,
  .format-page *::after { transition-duration: 0.01ms !important; }
}