:root {
  --bg: #f6f9fc;
  --surface: #ffffff;
  --text: #30313d;
  --heading: #1a1f36;
  --heading-home: #0a2540;
  --muted: #425466;
  --subtle: #697386;
  --disabled: #98a2b3;
  --line: #e6ebf1;
  --brand: #635bff;
  --brand-soft: #7a84ff;
  --page-width: 768px;
  --article-width: 680px;
  --sidebar-width: 250px;
  --toc-width: 252px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-code: "SFMono-Regular", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.site-shell {
  width: min(100%, calc(var(--sidebar-width) + var(--page-width) + var(--toc-width) + 96px));
  margin: 0 auto;
  padding: 22px 24px 56px;
  display: grid;
  grid-template-columns: minmax(0, var(--sidebar-width)) minmax(0, var(--page-width)) minmax(0, var(--toc-width));
  gap: 32px;
  align-items: start;
}

.page-home .site-shell {
  width: min(100%, var(--page-width));
  grid-template-columns: minmax(0, var(--page-width));
  padding-top: 26px;
  padding-bottom: 44px;
}

.mobile-topbar {
  display: none;
}

.page-home .sidebar-pane,
.page-home .toc-pane,
.page-home .mobile-topbar,
.page-doc.no-toc .toc-pane {
  display: none;
}

.sidebar-pane,
.toc-pane {
  position: sticky;
  top: 22px;
  align-self: start;
}

.sidebar-scroll,
.toc-scroll {
  padding-top: 6px;
}

.sidebar-nav-top {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding-bottom: 14px;
  margin-bottom: 46px;
  border-bottom: 1px solid var(--line);
}

.menu-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 500;
}

.menu-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  display: block;
  color: currentColor;
}

.sidebar-group {
  margin-bottom: 48px;
}

.sidebar-group:last-of-type {
  margin-bottom: 32px;
}

.group-title {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: -0.016em;
  font-weight: 400;
}

.group-rule {
  height: 1px;
  margin: 14px 0 22px;
  background: var(--line);
}

.rows,
.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.product {
  display: block;
  text-decoration: none;
}

.product-name {
  display: block;
  font-size: 16px;
  line-height: 1.36;
  letter-spacing: -0.018em;
  font-weight: 500;
}

.product-desc,
.sidebar-desc {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.42;
  letter-spacing: -0.016em;
  font-weight: 400;
}

.product.active .product-name,
.sidebar-pane .product[aria-current="page"] .product-name {
  color: var(--brand-soft);
}

.product.active:hover .product-name,
.product.active:focus-visible .product-name,
.sidebar-pane .product[aria-current="page"]:hover .product-name,
.sidebar-pane .product[aria-current="page"]:focus-visible .product-name {
  color: var(--brand);
}

.product.active .product-desc,
.sidebar-pane .product[aria-current="page"] .sidebar-desc {
  color: var(--text);
}

.product.disabled {
  pointer-events: none;
  cursor: default;
}

.product.disabled .product-name,
.product.disabled .product-desc {
  color: var(--disabled);
}

.content-pane {
  min-width: 0;
}

.page-frame {
  width: min(100%, var(--page-width));
}

.article-card {
  max-width: var(--article-width);
}

.page-home .article-card {
  max-width: none;
}

.top-nav {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding-bottom: 14px;
  margin-bottom: 46px;
  border-bottom: 1px solid var(--line);
}

.page-header {
  margin-bottom: 0;
}

.page-kicker {
  display: none;
}

.page-home .page-header {
  margin-bottom: 72px;
}

.page-home .page-header h1 {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 38px;
  line-height: 1.03;
  letter-spacing: -0.055em;
  font-weight: 600;
}

.page-home .page-description {
  margin: 0;
  max-width: 305px;
  color: var(--subtle);
  font-size: 17px;
  line-height: 1.34;
  letter-spacing: -0.022em;
  font-weight: 400;
}

.page-doc .page-header h1 {
  margin: 0 0 12px;
  color: var(--heading);
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.04em;
  font-weight: 650;
}

.page-doc .page-description {
  margin: 0;
  max-width: 560px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.42;
  letter-spacing: -0.016em;
  font-weight: 400;
}

.page-home .page-rule {
  display: none;
}

.page-doc .page-rule {
  height: 1px;
  margin: 18px 0 28px;
  background: var(--line);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: -0.015em;
  font-weight: 400;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: var(--subtle);
}

.breadcrumbs-sep {
  margin: 0 8px;
  color: #8792a2;
}

.breadcrumbs-current {
  color: var(--subtle);
}

.page-home .doc-content > :first-child,
.page-doc .doc-content > :first-child {
  margin-top: 0;
}

.page-home .doc-content h2 {
  margin: 0 0 34px;
  color: var(--text);
  font-size: 31px;
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 600;
}

.page-home .catalog-group {
  margin-bottom: 48px;
}

.page-home .catalog-group:last-of-type {
  margin-bottom: 32px;
}

.page-doc .doc-content h2,
.page-doc .doc-content h3,
.page-doc .doc-content h4 {
  color: var(--heading);
  scroll-margin-top: 32px;
}

.page-doc .doc-content h2 {
  margin: 30px 0 12px;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.page-doc .doc-content h3 {
  margin: 38px 0 12px;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.015em;
  font-weight: 600;
}

.page-doc .doc-content h2 + h3 {
  margin-top: 18px;
}

.page-doc .doc-content h4 {
  margin: 20px 0 8px;
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: -0.012em;
  font-weight: 600;
}

.page-doc .doc-content p {
  margin: 0 0 18px;
  max-width: 42em;
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: -0.016em;
  font-weight: 400;
}

.page-doc .doc-content ul,
.page-doc .doc-content ol {
  margin: 0 0 20px;
  padding-left: 24px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: -0.016em;
}

.page-doc .doc-content li {
  margin: 0 0 10px;
  padding-left: 4px;
}

.page-doc .doc-content li > ul,
.page-doc .doc-content li > ol {
  margin-top: 10px;
  margin-bottom: 0;
  padding-left: 22px;
}

.page-doc .doc-content li > ul {
  list-style-type: circle;
}

.page-doc .doc-content strong {
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  font-weight: 600;
  color: var(--heading);
}

.page-doc .doc-content a {
  color: var(--brand-soft);
  font-weight: 500;
  text-decoration: none;
}

.page-doc .doc-content a:hover,
.page-doc .doc-content a:focus-visible {
  color: var(--brand);
}

.page-doc .doc-content a strong {
  color: inherit;
  font-weight: inherit;
}

.page-doc .doc-content blockquote {
  margin: 0 0 18px;
  padding-left: 16px;
  border-left: 2px solid var(--line);
  color: var(--muted);
}

.page-doc .doc-content blockquote p {
  margin-bottom: 0;
}

.page-doc .doc-content table {
  width: 100%;
  margin: 0 0 20px;
  border-collapse: collapse;
  border-spacing: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

.page-doc .doc-content th,
.page-doc .doc-content td {
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.page-doc .doc-content th {
  color: var(--heading);
  font-weight: 600;
}

.page-doc .doc-content pre {
  margin: 0 0 20px;
  padding: 14px 16px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-code);
  font-size: 14px;
  line-height: 1.6;
}

.page-doc .doc-content code {
  font-family: var(--font-code);
  font-size: 0.875em;
  line-height: 1.25;
}

.page-doc .doc-content :not(pre) > code {
  padding: 0 3px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.page-doc .doc-content img {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.toc-nav {
  padding-top: 122px;
}

.toc-title {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: -0.015em;
  font-weight: 500;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-item + .toc-item {
  margin-top: 10px;
}

.toc-item a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: -0.015em;
}

.toc-item.level-3 a {
  padding-left: 12px;
}

.toc-item a:hover,
.toc-item a:focus-visible,
.toc-item a.is-active {
  color: var(--subtle);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-top: 22px;
}

.support-link-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
  letter-spacing: -0.016em;
  font-weight: 400;
}

.support-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: var(--muted);
}

.support-title {
  color: var(--muted);
  font-weight: 500;
}

.support-link {
  margin-left: 4px;
  color: var(--brand);
  text-decoration: none;
  font-weight: 500;
}

.mobile-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
}

.mobile-brand {
  text-decoration: none;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 500;
}

@media (min-width: 720px) {
  .site-shell {
    padding-left: 32px;
    padding-right: 32px;
    padding-bottom: 72px;
  }

  .page-home .page-header h1 {
    font-size: 40px;
  }

  .page-doc .page-header h1 {
    font-size: 33px;
  }
}

@media (max-width: 1160px) {
  .site-shell {
    width: min(100%, calc(var(--page-width) + var(--toc-width) + 96px));
    grid-template-columns: minmax(0, var(--page-width)) minmax(0, var(--toc-width));
  }

  .sidebar-pane {
    display: none;
  }
}

@media (max-width: 900px) {
  .site-shell,
  .page-home .site-shell {
    width: min(100%, var(--page-width));
    grid-template-columns: minmax(0, var(--page-width));
    gap: 0;
  }

  .page-doc .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 40px;
    padding-bottom: 14px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--line);
  }

  .page-doc .sidebar-pane {
    display: block;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(300px, calc(100vw - 48px));
    padding: 26px 24px 44px;
    background: var(--bg);
    transform: translateX(-100%);
    transition: transform 180ms ease;
    z-index: 30;
    overflow-y: auto;
  }

  body.nav-open .sidebar-pane {
    transform: translateX(0);
  }

  body.nav-open::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(10, 37, 64, 0.2);
    z-index: 20;
  }

  .page-doc .toc-pane {
    display: none;
  }
}

@media (max-width: 359px) {
  .site-shell,
  .page-home .site-shell {
    padding-left: 22px;
    padding-right: 22px;
  }

  .top-nav,
  .page-doc .mobile-topbar,
  .sidebar-nav-top {
    padding-bottom: 12px;
    margin-bottom: 44px;
  }

  .page-home .page-header {
    margin-bottom: 64px;
  }

  .page-home .doc-content h2 {
    margin-bottom: 30px;
  }

  .sidebar-group,
  .page-home .catalog-group {
    margin-bottom: 42px;
  }

  .rows,
  .sidebar-list {
    gap: 24px;
  }
}