.handbook-page {
  background: var(--paper);
  color: var(--ink);
}

.handbook-page [hidden] {
  display: none !important;
}

.handbook-page ::selection {
  background: var(--accent-soft);
  color: var(--ink);
}

.handbook-page * {
  scrollbar-color: var(--line-strong) var(--surface-soft);
  scrollbar-width: thin;
}

.handbook-page *::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.handbook-page *::-webkit-scrollbar-track {
  background: var(--surface-soft);
}

.handbook-page *::-webkit-scrollbar-thumb {
  border: 2px solid var(--surface-soft);
  border-radius: 7px;
  background: var(--line-strong);
}

.handbook-page input {
  caret-color: var(--accent);
}

.handbook-page .handbook-only-en {
  display: none;
}

html[lang^="en"] .handbook-page .handbook-only-zh {
  display: none;
}

html[lang^="en"] .handbook-page .handbook-only-en {
  display: inline;
}

.handbook-page .handbook-skip-link {
  position: absolute;
  z-index: 10;
  top: -100px;
  left: 16px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink);
}

.handbook-page .handbook-skip-link:focus {
  top: 10px;
}

.handbook-page .handbook-layout {
  display: grid;
  width: min(var(--content), calc(100% - 48px));
  grid-template-columns: minmax(180px, 210px) minmax(0, 760px);
  justify-content: center;
  align-items: start;
  gap: 42px;
  margin-inline: auto;
  padding: 32px 0 56px;
}

.handbook-page .handbook-footer {
  width: min(var(--content), calc(100% - 48px));
  margin-inline: auto;
}

.handbook-page .handbook-sidebar {
  position: sticky;
  top: 20px;
  min-width: 0;
  max-height: calc(100vh - 40px);
  overflow: auto;
}

.handbook-page .handbook-directory {
  min-width: 0;
}

.handbook-page .handbook-directory-summary {
  min-height: 44px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.handbook-page .handbook-directory nav {
  margin-top: 8px;
}

.handbook-page .handbook-directory nav ul {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.handbook-page .handbook-directory nav li {
  min-width: 0;
}

.handbook-page .handbook-directory nav a {
  display: block;
  min-height: 36px;
  padding: 7px 8px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.handbook-page .handbook-directory nav a:hover,
.handbook-page .handbook-directory nav a:focus-visible {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.handbook-page .handbook-directory nav a[aria-current="location"],
.handbook-page .handbook-directory nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.handbook-page .handbook-content {
  min-width: 0;
  max-width: 760px;
  line-height: 1.65;
}

.handbook-page .handbook-content > article {
  min-width: 0;
  max-width: 760px;
  margin: 0;
}

.handbook-page .handbook-content article h1 {
  max-width: 740px;
  margin: 0 0 12px;
  font-size: clamp(2rem, 3.3vw, 2.75rem);
  font-weight: 600;
  line-height: 1.12;
}

.handbook-page .handbook-content article > .handbook-lede {
  max-width: 70ch;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.handbook-page .handbook-content article h2 {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.28;
}

.handbook-page .handbook-content article h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
}

.handbook-page .handbook-content article section[id^="practice-"] > h3:first-of-type {
  margin-top: 20px;
  margin-bottom: 8px;
}

.handbook-page .handbook-content article p,
.handbook-page .handbook-content article li,
.handbook-page .handbook-content article dd {
  max-width: 72ch;
}

.handbook-page .handbook-content article p {
  margin: 0 0 14px;
}

.handbook-page .handbook-content article ol,
.handbook-page .handbook-content article ul {
  padding-inline-start: 1.35em;
}

.handbook-page .handbook-content article li + li {
  margin-top: 5px;
}

.handbook-page .handbook-content article a {
  color: var(--ink);
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.handbook-page .handbook-content article a:hover {
  color: var(--accent);
}

.handbook-page .handbook-section,
.handbook-page .handbook-path-completion {
  min-width: 0;
  margin-top: 38px;
  scroll-margin-top: 24px;
}

.handbook-page .handbook-section > h2,
.handbook-page .handbook-path-completion > h2 {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.handbook-page .handbook-chapters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  margin: 24px 0 30px;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.handbook-page .handbook-chapters li {
  min-width: 0;
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.handbook-page .handbook-chapters a {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 4px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
}

.handbook-page .handbook-chapters a:hover {
  text-decoration: underline;
}

.handbook-page .handbook-paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 20px;
  margin: 24px 0 32px;
}

.handbook-page .handbook-paths > section {
  min-width: 0;
  padding: 13px 0 0;
  border-top: 1px solid var(--line);
}

.handbook-page .handbook-paths > section h2,
.handbook-page .handbook-paths > section h3 {
  margin: 0 0 7px;
  font-size: 17px;
  line-height: 1.4;
}

.handbook-page .handbook-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin: 18px 0 24px;
}

.handbook-page .handbook-actions a,
.handbook-page .handbook-actions button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.handbook-page .handbook-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  margin: 24px 0;
}

.handbook-page .handbook-search label {
  grid-column: 1 / -1;
}

.handbook-page .handbook-search input,
.handbook-page .handbook-search button {
  min-width: 0;
  min-height: 44px;
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
}

.handbook-page .handbook-search input {
  width: 100%;
}

.handbook-page .handbook-search input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.handbook-page .handbook-search button {
  padding-inline: 15px;
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-weight: 500;
}

.handbook-page .handbook-search button:hover {
  background: #333331;
}

.handbook-page #handbook-results {
  grid-column: 1 / -1;
  min-width: 0;
  color: var(--muted);
}

.handbook-page #handbook-results:empty {
  display: none;
}

.handbook-page #handbook-results a {
  display: block;
  min-height: 40px;
  padding: 8px 0;
}

.handbook-page .handbook-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.handbook-page .handbook-pager a,
.handbook-page .handbook-pager button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.handbook-page .handbook-table {
  max-width: 100%;
  margin: 18px 0 24px;
  overflow: auto;
  border: 1px solid var(--line);
  overscroll-behavior-inline: contain;
}

.handbook-page .handbook-table table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  text-align: left;
}

.handbook-page .handbook-table th,
.handbook-page .handbook-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.handbook-page .handbook-table th {
  background: var(--surface-soft);
  font-weight: 600;
}

.handbook-page .handbook-table tr:last-child td {
  border-bottom: 0;
}

.handbook-page .handbook-content article pre {
  max-width: 100%;
  margin: 16px 0 22px;
  padding: 13px 14px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.6;
  tab-size: 2;
  white-space: pre;
}

.handbook-page .handbook-code-actions {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 16px 0 0;
}

.handbook-page .handbook-code-actions button[data-handbook-copy] {
  display: inline-flex;
  min-height: 44px;
  max-width: 100%;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  line-height: 1.35;
  cursor: pointer;
}

.handbook-page .handbook-code-actions button[data-handbook-copy]:hover:not(:disabled) {
  background: var(--surface-soft);
}

.handbook-page .handbook-code-actions .handbook-copy-status {
  min-width: 0;
  max-width: 100%;
  flex: 1 1 12rem;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.handbook-page .handbook-code-actions .handbook-copy-status:empty {
  display: none;
}

.handbook-page .handbook-content article pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.handbook-page .handbook-content article :not(pre) > code {
  padding: 1px 4px;
  background: var(--surface-soft);
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

.handbook-page .handbook-content article dl {
  display: grid;
  grid-template-columns: minmax(110px, 180px) minmax(0, 1fr);
  gap: 8px 20px;
  margin: 18px 0 24px;
}

.handbook-page .handbook-content article dt {
  font-weight: 600;
}

.handbook-page .handbook-content article dd {
  min-width: 0;
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

@media (max-width: 900px) {
  .handbook-page .handbook-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .handbook-page .handbook-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .handbook-page .handbook-content,
  .handbook-page .handbook-content > article {
    max-width: 760px;
  }
}

@media (max-width: 760px) {
  .handbook-page .handbook-layout {
    width: min(var(--content), calc(100% - 32px));
    padding: 24px 0 40px;
  }

  .handbook-page .handbook-footer {
    width: min(var(--content), calc(100% - 32px));
  }

  .handbook-page .handbook-directory-summary {
    display: list-item;
    min-height: 44px;
    padding: 9px 0;
  }

  .handbook-page .handbook-directory nav {
    margin: 8px 0 0;
    padding-bottom: 8px;
  }

  .handbook-page .handbook-directory nav a {
    min-height: 44px;
    padding-block: 10px;
  }

  .handbook-page .handbook-chapters {
    grid-template-columns: minmax(0, 1fr);
  }

  .handbook-page .handbook-paths {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .handbook-page .handbook-content article h1 {
    font-size: clamp(2rem, 7vw, 2.5rem);
  }

  .handbook-page .handbook-content article > .handbook-lede {
    font-size: 16px;
  }

  .handbook-page .handbook-content article pre code.language-text {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 480px) {
  .handbook-page .handbook-layout {
    width: min(var(--content), calc(100% - 24px));
    padding-top: 20px;
  }

  .handbook-page .handbook-footer {
    width: min(var(--content), calc(100% - 24px));
  }

  .handbook-page .handbook-content article h2 {
    font-size: 22px;
  }

  .handbook-page .handbook-content article dl {
    grid-template-columns: minmax(90px, 120px) minmax(0, 1fr);
    gap: 7px 12px;
  }

  .handbook-page .handbook-search {
    gap: 7px;
  }

  .handbook-page .handbook-search button {
    padding-inline: 12px;
  }

  .handbook-page .handbook-table table {
    min-width: 560px;
  }

  .handbook-page .handbook-pager {
    gap: 8px;
  }
}

@media print {
  .handbook-page .site-header,
  .handbook-page .handbook-skip-link,
  .handbook-page .handbook-sidebar,
  .handbook-page .handbook-search,
  .handbook-page #handbook-results,
  .handbook-page .handbook-actions,
  .handbook-page .handbook-code-actions,
  .handbook-page .handbook-pager,
  .handbook-page .site-footer {
    display: none !important;
  }

  .handbook-page .handbook-layout {
    display: block;
    width: auto;
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .handbook-page .handbook-content,
  .handbook-page .handbook-content > article {
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .handbook-page .handbook-table {
    overflow: visible;
    border: 0;
  }

  .handbook-page .handbook-table table {
    min-width: 0;
    font-size: 10pt;
  }

  .handbook-page .handbook-content article pre {
    overflow: visible;
    border: 0;
    background: transparent;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  .handbook-page .handbook-section {
    break-inside: avoid;
  }
}