:root { --ink:#3c4348; --muted:#60686b; --green:#64c91a; --green-deep:#3d8016; --paper:#f6f7f5; --line:#e0e5df; --white:#fff; --body-font:'Open Sans',sans-serif; --heading-font:'Ubuntu',sans-serif; --small:14px; --meta:16px; --base:16px; --title:20px; --large:24px; --metric:32px; --page-title:36px; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:110px; }
body { margin:0; background:#fff; color:var(--ink); font:16px/1.7 var(--body-font); -webkit-font-smoothing:antialiased; }
button,input,textarea,select { font:inherit; }
button,a { -webkit-tap-highlight-color:transparent; }
button { cursor:pointer; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; height:auto; vertical-align:middle; }
h1,h2,h3,h4,p { margin:0; }
h1,h2,h3,h4 { font-family:var(--heading-font); font-weight:400; line-height:1.2; letter-spacing:-.02em; }
h1,h2 { font-size:36px; }
h3 { font-size:24px; }
p { color:var(--muted); }
code,pre { font-family:Consolas,monospace; }
::selection { background:#dcf3c5; }
:focus-visible { outline:3px solid #5aa72a; outline-offset:4px; border-radius:4px; }
.container { width:min(1280px,calc(100% - 96px)); margin-inline:auto; }
.release-version { display:inline-block; padding:6px 15px; margin-bottom:22px; border:1px solid #d6e6c9; border-radius:30px; color:#447b26; background:#f1f8eb; font-size:14px; font-weight:600; letter-spacing:.08em; }
.icon { width:22px; height:22px; vertical-align:middle; flex-shrink:0; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:13px; min-height:54px; padding:13px 23px; border:1px solid transparent; border-radius:6px; font-size:16px; font-weight:600; line-height:1.5; transition:background .18s,box-shadow .18s; }
.button:hover { box-shadow:0 4px 14px #273c1414; }
.button-green { color:#fff; background:var(--green-deep); border-color:var(--green-deep); }
.button-green:hover { background:#326b11; }
.button-dark { color:#fff; background:var(--green-deep); }
.button-dark:hover { background:#326b11; }
.button:disabled { opacity:.65; cursor:wait; }
.button-outline { background:#fff; color:#4a5156; border-color:#aab1b4; }
.button-outline:hover { background:#f0f5ec; border-color:#6f9552; }
.button-small { min-height:46px; padding:10px 18px; }
.text-link,.inline-link { display:inline-flex; align-items:center; gap:12px; font-size:16px; font-weight:600; color:#4e8230; }
.text-link:hover,.inline-link:hover { color:#2f6710; text-decoration:underline; text-underline-offset:4px; }
.text-link .icon,.inline-link .icon { width:19px; height:19px; }
.eyebrow { display:block; font-size:14px; color:#718067; letter-spacing:.08em; font-weight:600; margin-bottom:16px; }
.centered { text-align:center; }
.skip-link { position:fixed; top:-100px; left:20px; padding:10px 20px; color:white; background:#315f18; z-index:100; }
.skip-link:focus { top:10px; }
/* Keep the navigation and the original 90 × 31 logo the same size at every breakpoint. */
.site-header { position:sticky; top:0; z-index:30; height:78px; background:#ffffffef; border-bottom:1px solid #e7eae3; backdrop-filter:blur(14px); }
.header-inner { height:100%; display:flex; align-items:center; justify-content:space-between; gap:32px; }
.site-header .brand { display:flex; align-items:center; justify-content:center; width:112px; height:50px; background:#68cb20; border-radius:7px; flex-shrink:0; }
.site-header .brand img { display:block; width:90px; height:31px; object-fit:contain; flex-shrink:0; }
.main-nav { display:flex; align-items:center; gap:29px; margin-left:auto; }
.main-nav a { color:#687169; font-size:16px; display:inline-flex; align-items:center; gap:7px; }
.main-nav a:hover,.main-nav a[aria-current] { color:#49871d; }
.nav-dot { width:6px; height:6px; background:#64bc21; border-radius:50%; }
.nav-toggle { display:none; background:none; border:0; padding:8px; color:var(--ink); }
.site-footer { background:#f6f7f5; border-top:1px solid var(--line); padding-top:55px; }
.footer-grid { display:grid; grid-template-columns:1.3fr 1fr 1fr 1.2fr; gap:45px; padding-bottom:50px; }
.footer-brand img { width:130px; }
.footer-brand p { font-size:16px; margin-top:17px; }
.footer-grid h2 { font-family:var(--body-font); font-size:16px; font-weight:600; letter-spacing:0; margin-bottom:19px; }
.footer-grid>div>a:not(.brand) { display:block; font-size:16px; color:#667166; margin-bottom:10px; }
.footer-grid a:hover,.footer-bottom a:hover { color:#478d1c; text-decoration:underline; }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; padding-block:24px; border-top:1px solid var(--line); font-size:14px; color:#6f786d; }
.footer-bottom>div { display:flex; flex-wrap:wrap; gap:23px; }
.page-intro { padding-block:55px 40px; }
.page-intro h1 { font-size:44px; margin-bottom:20px; }
.page-intro>p { font-size:20px; }
.guide-layout { display:grid; grid-template-columns:225px minmax(0,1fr); gap:65px; padding-block:45px 80px; align-items:start; }
.info-layout { max-width:910px; padding-block:45px 80px; }
.guide-sidebar { position:sticky; top:125px; }
.guide-back { display:block; font-size:16px; color:#678453; margin-bottom:32px; }
.guide-sidebar>.eyebrow { font-size:13px; margin-bottom:15px; }
.guide-sidebar nav { display:grid; gap:5px; }
.guide-sidebar nav>a { padding:11px 12px; font-size:16px; color:#63725a; border-radius:6px; }
.guide-sidebar nav>a[aria-current] { background:#eaf4e1; color:#437521; }
.guide-sidebar nav>a:hover { background:#f1f6ec; }
.sidebar-download { margin-top:30px; border-top:1px solid var(--line); padding:25px 12px; }
.sidebar-download>.icon { display:block; margin-bottom:15px; color:#6d9e47; }
.sidebar-download strong { font-size:16px; font-weight:500; display:block; }
.sidebar-download p { font-size:14px; margin-top:6px; }
.sidebar-download>a { display:flex; align-items:center; gap:10px; font-size:16px; color:#588039; margin-top:15px; }
.sidebar-download>a .icon { width:18px; height:18px; }
.guide-article { max-width:910px; min-width:0; }
.breadcrumb { display:flex; flex-wrap:wrap; gap:10px; font-size:14px; color:#6d7c63; margin-bottom:30px; }
.breadcrumb>a { color:#548334; }
.article-header { padding-bottom:30px; margin-bottom:30px; border-bottom:1px solid var(--line); }
.article-header h1 { font-size:36px; margin-bottom:18px; }
.article-header>p { font-size:20px; line-height:1.7; }
.on-this-page { display:flex; flex-wrap:wrap; gap:8px 20px; background:#f4f7f0; padding:20px 23px; border-radius:8px; margin-bottom:35px; font-size:14px; }
.on-this-page>span { flex-basis:100%; font-weight:600; margin-bottom:4px; color:#596e4b; }
.on-this-page>a { color:#60754f; }
.on-this-page>a:hover { text-decoration:underline; }
.prose { font-size:16px; line-height:1.85; color:#505b4c; overflow-wrap:break-word; }
.prose>h2,.prose .page-header h2 { color:var(--ink); font-size:28px; margin-block:43px 20px; }
.prose>h2:first-child,.prose>.page-header:first-child h2 { margin-top:0; }
.prose h3 { color:var(--ink); font-size:24px; margin-block:27px 17px; }
.prose h4,.prose h5 { font:500 20px/1.3 var(--heading-font); color:var(--ink); margin-block:20px 13px; }
.prose p { color:inherit; margin-bottom:22px; text-align:left; }
.prose li { margin-bottom:11px; }
.prose a { color:#4e832a; text-decoration:underline; text-underline-offset:3px; }
.prose code { background:#edf4e7; color:#496b32; padding:2px 5px; border-radius:3px; font-size:14px; }
.prose pre { padding:23px; overflow:auto; margin-block:22px 28px; border:1px solid #dce6d4; border-radius:8px; background:#f4f7f0; color:#4e6341; font:14px/1.7 Consolas,monospace; tab-size:3; }
.prose pre code { background:none; padding:0; }
.prose table { width:100%; border-collapse:collapse; font-size:16px; margin-block:20px 30px; }
.prose td,.prose th { padding:13px 17px 13px 0; text-align:left; border-bottom:1px solid var(--line); vertical-align:top; }
.prose td:first-child { min-width:140px; }
.prose .table-scroll { overflow:auto; }
.prose .notice { border-left:3px solid #7eb34e; background:#f1f7ea; padding:19px 22px; margin-block:25px; font-size:16px; }
/* Keep the original filesystem diagrams aligned and scroll only the diagram on small screens. */
.filesystem-tree { padding:22px; margin-block:22px 28px; border:1px solid var(--line); border-radius:8px; background:#f7f9f5; overflow:auto; white-space:pre; font:14px/1.65 Consolas,monospace; color:#52604b; }
.filesystem-tree b { font-weight:700; }
.tree-directory { color:#b24e45; }
.tree-squashfs { color:#2c7c3c; }
.tree-tmpfs { color:#177b9c; }
.tree-overlay { color:#5a762d; }
.tree-branch { color:#7a8672; }
.filesystem-flow { display:flex; gap:12px; overflow:auto; margin-block:28px; }
.filesystem-step { flex:1 0 200px; min-width:0; font-size:14px; color:var(--muted); }
.filesystem-step>.filesystem-tree { margin:12px 0 0; padding:14px; }
.filesystem-arrow { flex:none; align-self:center; font-size:24px; color:#63874b; }
.article-next { margin-top:40px; border-top:1px solid var(--line); padding-top:25px; display:flex; align-items:center; justify-content:space-between; gap:20px; color:#54832e; font-size:16px; }
.guide-index { padding-bottom:70px; }
.guide-search { display:flex; align-items:center; gap:13px; padding:15px 18px; margin:28px auto 0; width:min(650px,100%); border:1px solid #cedac4; border-radius:7px; text-align:left; }
.guide-search .icon { color:#82a069; }
.guide-search input { border:0; min-width:0; width:100%; outline:none; color:var(--ink); font-size:16px; background:none; }
.guide-search:focus-within { outline:2px solid #80b950; outline-offset:1px; }
.guide-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:25px; }
.guide-card { padding:30px; border:1px solid var(--line); border-radius:8px; display:flex; flex-direction:column; }
.guide-card:hover { background:#f5f8f0; border-color:#b2ca9d; }
.guide-card>.guide-art { width:64px; height:64px; object-fit:contain; margin-bottom:25px; }
.guide-card h2 { font-size:24px; margin-bottom:15px; }
.guide-card p { font-size:16px; margin-bottom:25px; }
.guide-card>span { display:flex; align-items:center; gap:12px; margin-top:auto; color:#598336; font-size:16px; }
.search-empty { text-align:center; padding-block:40px; }
.little-clover { display:none; }
/* Screenshots share the same accessible preview on the homepage and release page. */
/* Keep keyboard focus visible while the shared hover outline fades in and out. */
:where(a[data-screenshot]) { outline:2px solid transparent; outline-offset:5px; transition:outline-color .5s ease-in-out; }
a[data-screenshot]:hover { outline-color:#7daa5c; }
.screenshot-dialog { border:0; background:#fff; padding:14px; border-radius:10px; max-width:min(1500px,96vw); max-height:96vh; overflow:auto; box-shadow:0 20px 80px #12200a4d; }
.screenshot-dialog::backdrop { background:#17260ce6; }
.screenshot-dialog>button { position:absolute; z-index:2; top:22px; right:22px; display:grid; place-items:center; width:42px; height:42px; border:1px solid #ddd; border-radius:50%; color:#3e4839; background:#fff; box-shadow:0 3px 10px #1112; }
.screenshot-dialog>img { display:block; max-height:82vh; width:auto; max-width:100%; object-fit:contain; margin:auto; }
.screenshot-dialog>p { font-size:16px; padding:15px 10px 5px; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
[hidden] { display:none!important; }
@media (max-width:1100px) {
    .container { width:calc(100% - 64px); }
    .header-inner { gap:20px; }
    .main-nav { gap:20px; }
    .guide-layout { grid-template-columns:190px minmax(0,1fr); gap:35px; }
    .guide-sidebar nav>a { font-size:14px; }
    .footer-grid { gap:25px; }
}
@media (max-width:850px) {
    .main-nav { gap:16px; }
    .main-nav a { font-size:14px; }
    .guide-layout { grid-template-columns:165px minmax(0,1fr); gap:28px; }
    .guide-sidebar>.eyebrow { font-size:11px; }
    .guide-sidebar nav>a { font-size:14px; padding:9px; }
    .footer-grid { grid-template-columns:1fr 1fr 1fr; gap:30px; }
    .footer-brand { grid-column:span 3; display:flex; align-items:center; justify-content:space-between; }
    .footer-brand p { margin:0; }
    .guide-cards { grid-template-columns:1fr 1fr; }
}
@media (max-width:850px) {
    .container { width:calc(100% - 40px); }
    .header-inner { gap:12px; }
    .main-nav { display:none; position:absolute; top:100%; left:0; right:0; background:white; padding:18px 20px; border-bottom:1px solid var(--line); }
    .main-nav.is-open { display:grid; gap:0; }
    .main-nav a { padding:12px; font-size:16px; }
    .nav-toggle { display:block; }
    .footer-grid { grid-template-columns:1fr 1fr; gap:32px 25px; padding-bottom:35px; }
    .footer-brand { grid-column:span 2; display:block; }
    .footer-brand p { margin-top:15px; }
    .footer-grid>div>a:not(.brand),.footer-grid h2 { font-size:14px; }
    .footer-bottom { flex-direction:column; font-size:13px; gap:15px; }
    .footer-bottom>div { gap:16px; }
    .guide-layout { display:block; padding-block:25px 50px; }
    .guide-sidebar { position:static; margin-bottom:28px; border-bottom:1px solid var(--line); padding-bottom:16px; }
    .guide-back { margin-bottom:12px; font-size:14px; }
    .guide-sidebar>.eyebrow,.sidebar-download { display:none; }
    .guide-sidebar nav { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:5px; padding-bottom:6px; }
    .guide-sidebar nav>a { font-size:14px; }
    .breadcrumb { font-size:14px; margin-bottom:25px; }
    .article-header h1 { font-size:30px; }
    .article-header>p { font-size:16px; }
    .on-this-page { font-size:14px; padding:17px; gap:7px 15px; }
    .prose>h2,.prose .page-header h2 { font-size:24px; }
    .prose table { font-size:14px; }
    .prose td:first-child { min-width:110px; }
    .guide-cards { gap:17px; }
    .guide-card { padding:25px; }
    .page-intro { padding-block:35px 30px; }
    .page-intro h1 { font-size:36px; }
    .page-intro>p { font-size:16px; }
}
@media (max-width:600px) {
    .screenshot-dialog { padding:7px; }
    .screenshot-dialog>p { font-size:14px; }
    .screenshot-dialog>button { top:14px; right:14px; }
    .guide-cards { grid-template-columns:1fr; }
    .guide-sidebar nav { grid-template-columns:1fr 1fr; }
    .filesystem-flow { flex-direction:column; }
    .filesystem-step { flex:auto; width:100%; }
    .filesystem-arrow { transform:rotate(90deg); }
    .info-layout { padding-block:30px 50px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*:before,*:after { animation:none!important; transition:none!important; } }