.site-header {
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.manual-layout {
  max-width: 1440px;
  display: grid;
  grid-template-columns: 235px minmax(0, 780px) 180px;
  gap: 40px;
  margin: auto;
  padding: 48px 32px 80px;
}
.manual-index {
  grid-template-columns: 235px minmax(0, 900px);
  gap: 60px;
}
.manual-content {
  padding: 0;
  margin: 0;
  min-width: 0;
  max-width: 80ch;
}
.manual-content h1 {
  font-size: clamp(34px, 3.6vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.04em;
}
.manual-lead {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 35px;
}
.manual-content article {
  font-size: 16px;
  line-height: 1.85;
}
.manual-content article h2 {
  font-size: 26px;
  line-height: 1.3;
  margin: 44px 0 18px;
  scroll-margin-top: 120px;
}
.manual-content article h3 {
  font-size: 20px;
  scroll-margin-top: 120px;
}
.manual-content article p {
  margin-block: 18px;
}
.manual-content article li {
  margin-block: 10px;
}
.manual-content article a,
.manual-boundaries a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: #d8f36a66;
  text-underline-offset: 4px;
}
.manual-content article a:hover {
  text-decoration-color: var(--accent);
}
.manual-content code {
  font-size: 0.88em;
  background: var(--surface);
  padding: 2px 5px;
  border-radius: 4px;
}
.manual-content pre {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 18px;
}
.manual-content pre code {
  padding: 0;
}
.manual-sidebar {
  position: sticky;
  top: 125px;
  align-self: start;
  max-height: calc(100dvh - 155px);
  overflow: auto;
  padding-right: 10px;
  font-size: 13px;
}
.manual-sidebar summary {
  display: none;
}
.manual-sidebar label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 8px;
}
.manual-sidebar input {
  width: 100%;
  min-width: 0;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 10px;
  font: inherit;
}
.manual-sidebar nav {
  display: grid;
  gap: 4px;
}
.manual-sidebar nav a {
  display: flex;
  gap: 12px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
}
.manual-sidebar nav a:hover {
  background: var(--surface);
}
.manual-sidebar nav [aria-current] {
  background: #d8f36a10;
  border-left-color: var(--accent);
}
.manual-sidebar nav span {
  font-size: 11px;
  opacity: 0.6;
}
.manual-sidebar [hidden] {
  display: none !important;
}
.search-status {
  min-height: 18px;
  font-size: 11px;
  color: var(--muted);
  margin: 8px;
}
.manual-toc {
  position: sticky;
  top: 125px;
  align-self: start;
  display: grid;
  font-size: 12px;
  gap: 13px;
  border-left: 1px solid var(--border);
  padding-left: 20px;
}
.manual-toc p {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 4px;
}
.manual-toc .back-top {
  margin-top: 12px;
  color: var(--muted);
}
.manual-paging {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  margin-top: 55px;
  border-top: 1px solid var(--border);
  padding-top: 22px;
  font-size: 14px;
}
.manual-paging a:last-child {
  text-align: right;
}
.manual-paging small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 7px;
}
.manual-footnote {
  font-size: 11px;
  color: var(--muted);
  margin-top: 40px;
}
.manual-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-block: 45px;
}
.manual-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 9px;
  transition: border-color 0.2s;
}
.manual-card:hover {
  border-color: var(--accent);
  color: var(--text);
}
.manual-card h2 {
  font-size: 19px;
  line-height: 1.35;
  display: flex;
  gap: 15px;
  justify-content: space-between;
  margin-top: 12px;
}
.manual-card h2 span {
  color: var(--accent);
}
.manual-card p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 0;
}
.manual-boundaries {
  padding-block: 30px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.manual-boundaries h2 {
  font-size: 28px;
}
.manual-boundaries a {
  display: inline-block;
  margin: 10px 18px 0 0;
  font-size: 13px;
}
.manual-boundaries h3 {
  margin-top: 30px;
}
.manual-boundaries p {
  color: var(--muted);
}
@media (max-width: 1150px) {
  .manual-layout {
    grid-template-columns: 220px minmax(0, 780px);
    gap: 30px;
  }
  .manual-toc {
    display: none;
  }
}
@media (max-width: 800px) {
  .manual-layout,
  .manual-index {
    display: block;
    padding: 24px 20px 55px;
  }
  .manual-sidebar {
    position: static;
    max-height: none;
    padding: 0;
    margin-bottom: 38px;
  }
  .manual-sidebar summary {
    display: block;
    cursor: pointer;
    color: var(--accent);
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 18px;
  }
  .manual-sidebar details[open] summary {
    margin-bottom: 18px;
  }
  .manual-sidebar nav {
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }
  .manual-content {
    max-width: 80ch;
  }
  .manual-content article {
    font-size: 15px;
  }
  .manual-content article h2 {
    font-size: 24px;
  }
  .manual-cards {
    gap: 12px;
  }
  .manual-card {
    padding: 18px;
  }
  .manual-content h1 {
    font-size: 38px;
  }
  .manual-lead {
    font-size: 16px;
  }
}
@media (max-width: 480px) {
  .manual-cards {
    grid-template-columns: 1fr;
  }
  .manual-sidebar nav {
    grid-template-columns: 1fr;
  }
  .manual-paging {
    gap: 16px;
  }
}