/* Public site: progressive disclosure and responsive navigation. */
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.topbar { height: auto; min-height: 76px; gap: 24px; }
.public-menu { margin-left: auto; }
.public-menu > summary { display: none; cursor: pointer; padding: 10px; color: var(--accent); }
.public-menu:not([open]) > nav { display: flex; }
.topbar nav { gap: clamp(10px, 1.5vw, 22px); }
.language-switcher a { font-family: inherit; font-size: 11px; min-height: 36px; padding: 11px 8px; }
.footer { gap: 20px; align-items: start; }
.footer-tools { flex-wrap: wrap; justify-content: flex-end; max-width: 850px; gap: 8px 16px; }
.footer-tools form { margin: 0; }
.hero { padding: 65px 0; gap: 32px; }
.hero-systems { font-size: 13px !important; }
.hero-actions { align-items: center; }
.choice-version { display: inline-block; font-size: 12px; margin-top: 6px; overflow-wrap: anywhere; }
.choice-note, .install-choice small { color: var(--muted); }
.install-choice { min-width: 0; }
.install-choice .release-head h3 { white-space: normal; }
.install-choice .choice-note { min-height: 3em; font-size: 13px; }
.install-choice > p:last-child { margin-bottom: 0; }
.artifact-details { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 18px; font-size: 13px; }
.artifact-details summary { cursor: pointer; color: var(--accent); padding: 3px 0; }
.artifact-details dl { margin: 15px 0; }
.artifact-details dt { font-size: 11px; color: var(--muted); margin-top: 10px; }
.artifact-details dd { margin: 2px 0; overflow-wrap: anywhere; }
.artifact-hash { display: grid; gap: 12px; justify-items: start; }
.artifact-hash code { display: block; color: var(--muted); overflow-wrap: anywhere; white-space: normal; margin-top: 10px; }
.apt-option { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 16px; font-size: 13px; }
.apt-option p { color: var(--muted); }
.catalog-tabs { display: flex; gap: 12px; margin-top: 28px; border-bottom: 1px solid var(--line); }
.catalog-tabs a { padding: 12px 16px; border-bottom: 2px solid transparent; }
.catalog-tabs a[aria-current] { color: var(--accent); border-color: var(--accent); }
.catalog-filters { display: flex; align-items: end; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }
.catalog-filters label { flex: 1; min-width: 150px; margin: 0; }
.catalog-filters .text-link { align-self: center; }
.archive-list { display: grid; gap: 14px; }
.archive-item { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: var(--surface); min-width: 0; }
.archive-summary { display: flex; gap: 18px; align-items: center; }
.archive-summary > div { flex: 1; min-width: 0; }
.archive-summary h3 { margin: 0; font-size: 18px; }
.archive-summary p, .archive-summary small { color: var(--muted); margin: 5px 0 0; font-size: 13px; overflow-wrap: anywhere; }
.archive-summary .badge { flex-shrink: 0; }
.featured-gallery .screenshot-featured { grid-column: 1 / -1; }
.featured-gallery .screenshot-featured .screenshot-frame { aspect-ratio: auto; }
.featured-gallery .screenshot-featured img { max-height: 680px; }
.trust-box { margin-top: 55px; margin-bottom: 0; }
.trust-box .text-link { display: inline-block; margin-top: 15px; }
.resource-links { display: flex; flex-wrap: wrap; gap: 15px; }
.docs-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 42px; margin: 32px 0 60px; align-items: start; }
.chapter-nav { position: sticky; top: 105px; display: grid; gap: 5px; padding: 18px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.chapter-nav strong { color: var(--muted); padding: 5px 10px 12px; font-size: 12px; }
.chapter-nav a { padding: 9px 10px; border-radius: 7px; font-size: 13px; }
.chapter-nav a:hover, .chapter-nav a[aria-current] { color: var(--accent); background: rgba(104,240,189,.07); }
.chapter-content { min-width: 0; width: 100%; }
.chapter-content .wiki-section { padding: 32px 0; }
.chapter-content .wiki-section:first-of-type { padding-top: 0; }
.chapter-content .wiki-grid-small { grid-template-columns: 1fr; }
.chapter-content .wiki-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.chapter-mobile { display: none; }
.article-toc { padding: 15px 18px; margin-bottom: 30px; border: 1px solid var(--line); border-radius: 10px; display: flex; gap: 10px 18px; flex-wrap: wrap; font-size: 12px; }
.article-toc strong { flex-basis: 100%; color: var(--muted); }
.article-toc a { color: var(--accent); }
.faq-categories { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.command-block { padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: #090c10; overflow-x: auto; font-size: 12px; }
.fingerprint { display: block; overflow-wrap: anywhere; color: var(--accent); font-size: 14px; }
.license-toc { border: 1px solid var(--line); border-radius: 12px; padding: 22px; margin: 22px 0; }
.license-toc ol { padding-left: 25px; margin-bottom: 0; }
.license-toc li { margin-top: 8px; }
.license-toc a { color: var(--accent); }
.license-document { max-width: 78ch; }
.license-document .license-full-text { margin: 0; border: 0; border-radius: 0; padding: 0; background: transparent; font: 14px/1.8 ui-monospace,SFMono-Regular,Menlo,monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
[id] { scroll-margin-top: 110px; }
@media (max-width: 1050px) {
 .topbar { flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
 .brand small { display: none; }
 .topbar nav { gap: 12px; }
 .hero { align-items: start; flex-direction: column; }
 .download-summary { width: 100%; }
}
@media (max-width: 800px) {
 .topbar { flex-wrap: nowrap; align-items: start; }
 .public-menu > summary { display: list-item; list-style-position: inside; }
 .public-menu:not([open]) > nav { display: none; }
 .public-menu[open] > nav { display: flex; }
 .topbar nav { position: absolute; top: 100%; left: 0; right: 0; padding: 20px; flex-direction: column; align-items: stretch; background: #0a0c10; border-bottom: 1px solid var(--line); max-height: calc(100dvh - 76px); overflow: auto; }
 .topbar nav > a:not(.button) { display: block; padding: 8px; }
 .language-switcher { align-self: flex-start; }
 .brand strong { max-width: none; font-size: 15px; }
 .brand { margin-top: 3px; }
 .chapter-mobile { display: block; margin: 26px 0; }
 .chapter-mobile > div { display: flex; gap: 10px; align-items: center; }
 .chapter-mobile select { margin: 0; min-width: 0; }
 .docs-layout { display: block; }
 .chapter-nav { display: none; }
 .chapter-content .wiki-grid { grid-template-columns: 1fr; }
 .wiki-hero { min-height: 0; padding: 40px 0; gap: 24px; }
 .wiki-version { min-width: 0; }
 .footer-tools { align-items: start; justify-content: flex-start; }
}
@media (max-width: 600px) {
 .hero { padding: 45px 0; }
 .hero h1 { font-size: clamp(35px,9vw,48px); }
 .section, .landing-section { padding: 40px 0; }
 .archive-summary { flex-wrap: wrap; }
 .archive-summary > div { flex-basis: 100%; }
 .archive-summary > .button { margin-left: auto; }
 .catalog-filters label { min-width: 100%; }
 .catalog-filters > button { flex: 1; }
 .featured-gallery .screenshot-featured img { max-height: none; }
 .license-toc { padding: 15px; }
 .chapter-content .install-manual { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

.wiki-version { max-width: 330px; }
.wiki-version strong { overflow-wrap: anywhere; font-size: 20px; }
@media(max-width:800px) { .wiki-version { max-width: none; } }

@media(max-width:1050px) {
 .topbar { flex-wrap: nowrap; align-items: start; gap: 12px; }
 .public-menu > summary { display: list-item; list-style-position: inside; }
 .public-menu:not([open]) > nav { display: none; }
 .public-menu[open] > nav { display: flex; }
 .topbar nav { position: absolute; top: 100%; left: 0; right: 0; padding: 20px; flex-direction: column; align-items: stretch; background: #0a0c10; border-bottom: 1px solid var(--line); max-height: calc(100dvh - 76px); overflow: auto; }
 .topbar nav > a:not(.button) { display: block; padding: 8px; }
 .language-switcher { align-self: flex-start; }
 .brand strong { max-width: calc(100vw - 170px); }
}

/* A bounded, keyboard-operable language menu; native details works without JS. */
.chj-language-picker{position:relative;display:inline-block;max-width:100%;font-size:13px;text-align:left;z-index:40}
.chj-language-picker>summary{cursor:pointer;list-style:none;padding:8px 12px;border:1px solid #39434d;border-radius:8px;color:inherit;background:#171c24;min-height:40px;display:flex;align-items:center;gap:8px}
.chj-language-picker>summary::-webkit-details-marker{display:none}
.chj-language-picker>summary::after{content:"▾";margin-left:6px}
.chj-language-picker>nav{position:absolute;right:0;top:calc(100% + 6px);display:grid!important;grid-template-columns:1fr;min-width:250px;max-width:calc(100vw - 32px);max-height:min(65vh,520px);overflow:auto;background:#171c24;border:1px solid #39434d;border-radius:10px;padding:6px;box-shadow:0 12px 36px #0008}
.chj-language-picker>nav>a{display:flex;align-items:center;gap:10px;padding:9px 12px;white-space:normal;text-decoration:none;color:#edf2f7;border-radius:6px;font-size:13px}
.chj-language-picker>nav>a:hover,.chj-language-picker>nav>a[aria-current]{background:#293a35;color:#78e7b8}
.chj-language-picker a:focus-visible,.chj-language-picker summary:focus-visible{outline:2px solid #78e7b8;outline-offset:2px}
.chj-flag{font-family:system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif;font-size:18px;line-height:1;width:24px;flex-shrink:0;text-align:center}
@media(max-width:600px){.chj-language-picker>nav{min-width:230px}.chj-language-picker>summary{font-size:12px}}

@media(max-width:1050px){
 .public-menu .chj-language-picker>nav{position:static;left:auto;right:auto;top:auto;width:100%;max-height:min(45dvh,360px);margin-top:6px;box-shadow:none}
 .public-menu .chj-language-picker>nav>a{display:flex;padding:9px 12px}
}

.chj-flag img{display:block;width:24px;height:18px;border-radius:2px;object-fit:contain}

/* Desktop / mobile edition navigation shares the existing language routes. */
.edition-switch{display:flex;flex-wrap:wrap;gap:.35rem;margin:1.25rem 0;padding:.3rem;border:1px solid var(--border,#30405a);border-radius:12px;width:fit-content;max-width:100%}
.edition-switch a{display:block;padding:.65rem 1rem;border-radius:8px;color:inherit;text-decoration:none}
.edition-switch a[aria-current="page"]{background:var(--accent,#4f83ff);color:#fff}
.edition-switch a:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.mobile-download-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.mobile-checksum{display:block;overflow-wrap:anywhere;white-space:normal;font-size:.8rem}
.mobile-extra{margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--border,#30405a)}
.mobile-extra summary{cursor:pointer}
@media(max-width:700px){.mobile-download-grid{grid-template-columns:1fr}.edition-switch{width:100%}.edition-switch a{flex:1;text-align:center;padding:.65rem .5rem}}

/* Script-aware typography for Asian and Arabic-script editions: installed system fonts only, nothing is downloaded. */
html:lang(zh-CN) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC","Source Han Sans SC",sans-serif}
html:lang(zh-TW) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei UI","Microsoft JhengHei","Noto Sans CJK TC","Noto Sans TC","Source Han Sans TC",sans-serif}
html:lang(ja) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Meiryo","Noto Sans CJK JP","Noto Sans JP",sans-serif}
html:lang(ko) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic","Noto Sans CJK KR","Noto Sans KR","Nanum Gothic",sans-serif}
html:lang(hi) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Kohinoor Devanagari","Devanagari Sangam MN","Nirmala UI","Mangal","Noto Sans Devanagari",sans-serif}
html:lang(bn) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Kohinoor Bangla","Bangla Sangam MN","Nirmala UI","Vrinda","Noto Sans Bengali",sans-serif}
html:lang(th) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Thonburi","Leelawadee UI","Leelawadee","Tahoma","Noto Sans Thai",sans-serif}
html:lang(ar) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","SF Arabic","Geeza Pro","Segoe UI","Tahoma","Noto Sans Arabic","Noto Naskh Arabic",sans-serif}
html:lang(fa) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Vazirmatn","SF Arabic","Geeza Pro","Segoe UI","Tahoma","Noto Sans Arabic","Noto Naskh Arabic",sans-serif}
html:lang(ur) :is(body,button,input,select,textarea){font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Naskh Arabic","SF Arabic","Geeza Pro","Segoe UI","Tahoma","Noto Sans Arabic",sans-serif}
/* Tracking breaks joined scripts and crowds CJK/Indic glyphs. */
html:is(:lang(zh),:lang(ja),:lang(ko),:lang(hi),:lang(bn),:lang(th),:lang(ar),:lang(fa),:lang(ur)) *{letter-spacing:normal!important}
html:is(:lang(hi),:lang(bn),:lang(th),:lang(vi),:lang(ar),:lang(fa),:lang(ur)) :is(h1,h2,h3,h4){line-height:1.35}
html:is(:lang(zh),:lang(ja),:lang(ko)) :is(h1,h2,h3,h4){line-height:1.25}
html:is(:lang(ar),:lang(fa),:lang(ur)) :is(p,li,dd,td){line-height:1.8}
html:lang(ko) body{word-break:keep-all;overflow-wrap:anywhere}
html:is(:lang(zh),:lang(ja)) body{line-break:strict;overflow-wrap:anywhere}
/* Commands, hashes, URLs and code stay left-to-right inside right-to-left text. */
[dir=rtl] :is(code,kbd,samp,pre,var,.mobile-checksum,.source-code,.domain){direction:ltr;unicode-bidi:isolate}
[dir=rtl] pre{text-align:left}
[dir=rtl] :is(input[type=url],input[type=email],input[type=password]){direction:ltr}
[dir=rtl] .chj-language-picker{text-align:right}
[dir=rtl] .chj-language-picker>summary::after{margin-left:0;margin-right:6px}
[dir=rtl] .chj-language-picker>nav{right:auto;left:0}
@media(max-width:1050px){[dir=rtl] .public-menu .chj-language-picker>nav{left:auto;right:auto}}
[dir=rtl] .public-menu{margin-left:0;margin-right:auto}
[dir=rtl] .archive-summary>.button{margin-left:0;margin-right:auto}
[dir=rtl] .license-toc ol{padding-left:0;padding-right:25px}
[dir=rtl] :is(th,td){text-align:right}
[dir=rtl] .hero-stats div+div{border-left:0;border-right:1px solid var(--line)}
@media(max-width:600px){[dir=rtl] .hero-stats div+div{border-right:0}}
[dir=rtl] .visitor-count::before{margin-right:0;margin-left:7px}
[dir=rtl] .language-switcher a+a{border-left:0;border-right:1px solid var(--line)}
[dir=rtl] .download-summary div{border-left:0;border-right:1px solid var(--line)}
[dir=rtl] .community-stats div+div{border-left:0;border-right:1px solid #2f5b4c}
@media(max-width:600px){[dir=rtl] .community-stats div+div{border-right:0}}
[dir=rtl] .community-reply{border-left:0;border-right:2px solid #2f5b4c}
[dir=rtl] .community-replies{padding-left:0;padding-right:22px}
[dir=rtl] :is(.community-hp,.wiki-hp){left:auto!important;right:-10000px!important}
[dir=rtl] .feature-guide ol{padding-left:0;padding-right:1.6rem}
[dir=rtl] .landing-card-number{right:auto;left:1.35rem}
[dir=rtl] .landing-card .eyebrow{margin-right:0;margin-left:2.5rem}
[dir=rtl] .privacy-content ul{padding-left:0;padding-right:20px}
[dir=rtl] .source-tree .source-tree{padding-left:0;padding-right:16px}
[dir=rtl] .source-tree li>a{margin-left:0;margin-right:13px}
[dir=rtl] :is(.source-tree a[aria-current],.source-root[aria-current]){box-shadow:inset -2px 0 var(--blue)}
[dir=rtl] .source-filemeta{margin-left:0;margin-right:8px}
[dir=rtl] .source-table :is(td,th){text-align:right}
[dir=rtl] .source-table td:last-child:not(:first-child){text-align:left}
[dir=rtl] .source-markdown blockquote{margin-right:0;padding-left:0;padding-right:16px;border-left:0;border-right:3px solid var(--line)}
[dir=rtl] .wiki-checks li:before{margin-right:0;margin-left:10px}
[dir=rtl] .install-steps{padding-left:0;padding-right:26px}
[dir=rtl] .install-steps li{padding-left:0;padding-right:5px}
[dir=rtl] .install-note{border-left:0;border-right:3px solid var(--amber)}
[dir=rtl] .faq-list summary::after{margin-left:0;margin-right:auto}