/* Read surface: reuse the site's paper, ink, teal and system typography. */
.manual-page { font-size: 16px; line-height: 1.85; }
.manual-page [hidden] { display: none !important; }
.manual-page svg, .feature-directory svg { width: 20px; height: 20px; vertical-align: middle; fill: none; stroke: currentColor; stroke-width: 1.7; flex-shrink: 0; }
.manual-page a { text-underline-offset: 4px; }
.manual-page a:hover { color: var(--teal-dark); }
.manual-page :focus-visible, .feature-directory :focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; border-radius: 2px; }
.manual-skip { position: fixed; top: -100px; left: 16px; z-index: 40; background: var(--ink); color: white; padding: 12px 20px; }
.manual-skip:focus { top: 10px; }
.manual-page .manual-skip:hover { color: white; }
.manual-header { position: sticky; top: 0; z-index: 20; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 32px; background: var(--paper); border-bottom: 1px solid var(--line); }
.manual-header nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.manual-header nav a { text-decoration: none; padding-block: 8px; }
.manual-header nav [aria-current] { color: var(--teal-dark); font-weight: 700; }
.manual-header .manual-start { display: flex; align-items: center; gap: 8px; }
.manual-layout { display: grid; grid-template-columns: 220px minmax(0, 760px) 170px; gap: 48px; max-width: 1350px; margin: 0 auto; padding: 40px 28px 88px; align-items: start; }
.manual-layout main { min-width: 0; }
.manual-navigation, .article-toc { position: sticky; top: 104px; max-height: calc(100dvh - 128px); overflow-y: auto; font-size: 14px; }
.manual-navigation summary { padding: 8px 12px 14px; cursor: pointer; font-weight: 700; }
.manual-navigation nav { display: grid; }
.manual-navigation nav a { display: flex; justify-content: space-between; gap: 12px; padding: 9px 12px; text-decoration: none; border-left: 2px solid transparent; }
.manual-navigation nav a:hover { background: var(--paper-strong); }
.manual-navigation nav a[aria-current] { border-color: var(--teal); background: #e7eee7; color: var(--teal-dark); font-weight: 700; }
.manual-navigation nav span { color: var(--muted); font-weight: 400; }
.nav-note { margin: 28px 12px 14px; color: var(--muted); font-size: 12px; }
.manual-download { display: flex; gap: 8px; align-items: center; margin: 12px; color: var(--teal-dark); }
.article-toc { font-size: 13px; line-height: 1.6; padding-left: 18px; border-left: 1px solid var(--line); }
.article-toc p { margin: 6px 0 12px; font-weight: 700; }
.article-toc a { display: block; margin-bottom: 14px; text-decoration: none; color: var(--muted); }
.article-toc .back-top { padding-top: 14px; border-top: 1px solid var(--line); }
.manual-search { margin-bottom: 40px; }
.manual-search label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.search-field { display: flex; align-items: center; gap: 10px; border: 1px solid #b9c0b8; background: var(--panel); padding: 0 14px; min-height: 48px; }
.search-field:focus-within { outline: 2px solid var(--teal); outline-offset: 2px; }
.search-field input { width: 100%; min-width: 0; border: 0; border-radius: 0; padding: 12px 0; font: inherit; font-size: 14px; color: var(--ink); background: transparent; outline: none; }
.search-field input:focus-visible { outline: none; }
.manual-page button { cursor: pointer; font: inherit; font-size: 13px; padding: 8px 12px; min-height: 40px; border: 1px solid var(--line); color: var(--teal-dark); background: var(--panel); }
.search-field button { flex-shrink: 0; border: 0; padding: 8px 2px; }
.search-status { margin: 6px 0 0; font-size: 13px; color: var(--muted); }
.search-status:empty { display: none; }
#search-results { border-bottom: 1px solid var(--line); padding-bottom: 16px; }
#search-results ul { padding: 0; list-style: none; margin: 12px 0; }
#search-results li { padding: 14px 0; border-top: 1px solid var(--line); }
#search-results a { font-weight: 650; color: var(--teal-dark); }
#search-results p { margin: 3px 0 0; font-size: 14px; }
#search-results small { color: var(--muted); }
.breadcrumb { font-size: 13px; color: var(--muted); }
.manual-page h1 { max-width: none; font-size: 2.5rem; line-height: 1.3; letter-spacing: -.02em; margin: 12px 0 20px; }
.manual-page h2 { font-size: 1.6rem; line-height: 1.45; margin: 0 0 12px; }
.manual-page h3 { font-size: 1rem; line-height: 1.6; margin: 24px 0 6px; }
.manual-page p { margin: 0 0 14px; }
.manual-page li { padding-left: 4px; margin-bottom: 8px; }
.manual-page ul, .manual-page ol { padding-left: 24px; margin: 8px 0 20px; }
.manual-page-heading > p { color: var(--muted); font-size: 17px; }
.manual-page-heading { margin-bottom: 28px; }
.chapter-tools { display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 13px; color: var(--muted); }
.chapter-contents { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; border-block: 1px solid var(--line); padding: 20px 0; margin-bottom: 40px; }
.chapter-contents a { color: var(--teal-dark); }
.reading-start { padding-block: 28px; border-block: 1px solid var(--line); margin: 32px 0; }
.reading-start h2 { font-size: 1.15rem; }
.reading-start ol { margin-bottom: 0; }
.reading-start li { padding-left: 8px; margin-bottom: 12px; }
.reading-start a { font-weight: 650; color: var(--teal-dark); }
.reading-start span { display: block; color: var(--muted); font-size: 14px; }
.manual-scope { font-size: 14px; color: var(--muted); margin-bottom: 40px; }
.manual-scope strong { display: block; margin-bottom: 8px; color: var(--ink); }
.chapter-index { padding: 30px 0; border-top: 1px solid var(--line); }
.chapter-index h2 { font-size: 1.4rem; }
.chapter-index h2 a { text-decoration: none; display: flex; align-items: center; justify-content: space-between; }
.chapter-index > p { font-size: 14px; color: var(--muted); }
.chapter-index ul { list-style: none; padding: 0; margin-bottom: 0; }
.chapter-index li { padding: 10px 0; margin: 0; }
.chapter-index li a { color: var(--teal-dark); font-weight: 600; }
.chapter-index li span { display: block; font-size: 14px; color: var(--muted); margin-top: 3px; }
.manual-article { padding: 44px 0 32px; border-top: 1px solid var(--line); scroll-margin-top: 96px; }
.article-title { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.article-title h2 { margin-bottom: 12px; }
.permalink { color: var(--muted); padding: 4px 8px; text-decoration: none; }
.article-summary { color: var(--muted); }
.example-block { background: #edf0e9; padding: 20px; margin: 28px 0; }
.example-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.example-heading h3 { margin: 0; font-size: 14px; }
.manual-page pre { min-height: 0; max-height: none; margin: 0; padding: 0; white-space: pre-wrap; overflow-wrap: anywhere; word-break: normal; background: transparent; color: var(--ink); border: 0; font-size: 14px; line-height: 1.85; overflow: visible; }
.copy-status { font-size: 13px; color: var(--teal-dark); }
.manual-page .copy-status { margin: 8px 0 0; }
.copy-status:empty { display: none; }
.article-limits { border-left: 2px solid var(--line); padding-left: 18px; color: var(--muted); font-size: 14px; margin-top: 24px; }
.article-limits h3 { font-size: 14px; }
.article-limits ul { margin-bottom: 0; }
.module-resource { padding: 24px; margin-bottom: 36px; background: #edf0e9; font-size: 14px; }
.module-resource h2 { font-size: 1.15rem; }
.module-resource a { color: var(--teal-dark); }
.artifact-hash span { display: block; font-size: 12px; color: var(--muted); }
.artifact-hash code { font-size: 12px; overflow-wrap: anywhere; }
.chapter-pager { display: flex; justify-content: space-between; gap: 24px; padding-top: 28px; border-top: 1px solid var(--line); font-size: 15px; }
.chapter-pager a { text-decoration: none; color: var(--teal-dark); }
.chapter-pager a:last-child { text-align: right; }
.chapter-pager span { display: block; font-size: 12px; color: var(--muted); }
.manual-footer { border-top: 1px solid var(--line); padding: 28px 32px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; color: var(--muted); font-size: 12px; }
.manual-footer p { margin: 0; }
#main-content { scroll-margin-top: 100px; }
@media (max-width: 1200px) {
 .manual-layout { grid-template-columns: 200px minmax(0, 760px); gap: 36px; }
 .article-toc { display: none; }
}
@media (max-width: 900px) {
 .manual-layout { display: block; max-width: 780px; padding: 24px 24px 56px; }
 .manual-navigation { position: static; max-height: none; margin-bottom: 28px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
 .manual-navigation summary { padding: 8px 0; }
 .manual-header { padding: 10px 24px; min-height: 68px; }
 .manual-header nav { gap: 20px; }
 .manual-header nav a:first-child { display: none; }
 .manual-page h1 { font-size: 2rem; }
}
@media (max-width: 520px) {
 .manual-header { padding: 10px 18px; gap: 12px; }
 .manual-header .brand { min-width: 0; font-size: 14px; gap: 8px; }
 .manual-header .brand-mark { width: 28px; height: 28px; }
 .manual-header .manual-start { display: none; }
 .manual-header nav { font-size: 13px; }
 .manual-layout { padding-inline: 18px; }
 .manual-page h1 { font-size: 1.85rem; }
 .manual-page h2 { font-size: 1.4rem; }
 .manual-search { margin-bottom: 28px; }
 .manual-page-heading > p { font-size: 16px; }
 .manual-article { padding-block: 32px 24px; }
 .example-block { padding: 16px; }
 .module-resource { padding: 18px; }
 .chapter-tools { align-items: flex-start; }
 .manual-footer { padding-inline: 18px; display: block; }
 .manual-footer p { margin-bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
 html { scroll-behavior: auto; }
 .manual-page { background: white; font-size: 11pt; color: black; }
 .manual-header, .manual-navigation, .article-toc, .manual-search, .manual-skip, .chapter-tools, .chapter-pager, .permalink, .breadcrumb, .manual-page button, .copy-status { display: none !important; }
 .manual-layout { display: block; max-width: none; margin: 0; padding: 0; }
 .manual-page h1 { font-size: 24pt; }
 .manual-page h2 { font-size: 18pt; }
 .manual-page h2, .manual-page h3 { break-after: avoid; }
 .manual-page pre { white-space: pre-wrap; font-size: 10pt; }
 .manual-article { padding-top: 24px; }
 .example-block { break-inside: avoid; }
 .manual-footer { padding-inline: 0; }
}