/* Daibackup Docs (Nitrokey-like) - static, no external deps */
:root{
  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --radius: 12px;

  --header-h: 56px;
  --sidebar-w: 280px;
  --toc-w: 260px;
  --content-max: 980px;

  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --panel: #ffffff;
  --panel-2: #f3f5fa;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --border-2: #d7dbe6;
  --link: #1d4ed8;
  --link-hover: #1e40af;
  --brand: #0b5bd3;
  --brand-2: #0ea5e9;
  --shadow: 0 1px 0 rgba(17,24,39,.04), 0 10px 30px rgba(17,24,39,.08);

  --code-bg: #0b1020;
  --code-text: #dbeafe;
  --code-muted: rgba(219,234,254,.72);

  --note-bg: #eff6ff;
  --note-bd: #bfdbfe;
  --note-tx: #0f2a5f;

  --warn-bg: #fff7ed;
  --warn-bd: #fed7aa;
  --warn-tx: #7c2d12;

  --danger-bg: #fff1f2;
  --danger-bd: #fecdd3;
  --danger-tx: #7f1d1d;

  --ok-bg: #ecfdf5;
  --ok-bd: #a7f3d0;
  --ok-tx: #064e3b;

  --ring: 0 0 0 3px rgba(29,78,216,.22);
}

.dark{
  --bg: #0b0f19;
  --bg-soft: #0f1526;
  --panel: #0c1324;
  --panel-2: #101a33;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #223055;
  --border-2: #2b3a63;
  --link: #93c5fd;
  --link-hover: #bfdbfe;
  --brand: #60a5fa;
  --brand-2: #22d3ee;
  --shadow: 0 1px 0 rgba(255,255,255,.04), 0 18px 40px rgba(0,0,0,.45);

  --code-bg: #0a1022;
  --code-text: #e0f2fe;
  --code-muted: rgba(224,242,254,.70);

  --note-bg: rgba(59,130,246,.12);
  --note-bd: rgba(59,130,246,.35);
  --note-tx: #dbeafe;

  --warn-bg: rgba(249,115,22,.12);
  --warn-bd: rgba(249,115,22,.35);
  --warn-tx: #ffedd5;

  --danger-bg: rgba(244,63,94,.12);
  --danger-bd: rgba(244,63,94,.35);
  --danger-tx: #ffe4e6;

  --ok-bg: rgba(16,185,129,.12);
  --ok-bd: rgba(16,185,129,.35);
  --ok-tx: #d1fae5;

  --ring: 0 0 0 3px rgba(147,197,253,.22);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}
a{ color:var(--link); text-decoration:none; }
a:hover{ color:var(--link-hover); text-decoration:underline; }
code,pre,kbd,samp{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace; }

.header{
  position: sticky;
  top: 0;
  z-index: 80;
  height: var(--header-h);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  height:100%;
  display:grid;
  grid-template-columns: auto 1fr auto;
  align-items:center;
  gap:12px;
  padding:0 14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:220px;
}
.logo{
  width:28px;height:28px;border-radius:8px;
  background:
    radial-gradient(circle at 30% 30%, var(--brand-2), transparent 45%),
    radial-gradient(circle at 70% 70%, var(--brand), transparent 55%),
    linear-gradient(135deg, color-mix(in srgb, var(--brand) 55%, #000 45%), color-mix(in srgb, var(--brand-2) 35%, #000 65%));
  box-shadow:0 10px 20px rgba(2,6,23,.12);
  border:1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.brand-title{
  display:flex;
  flex-direction:column;
  line-height:1.1;
  gap:2px;
}
.brand-title strong{ font-size:14px; letter-spacing:.2px; white-space:nowrap; }
.brand-title span{ font-size:12px; color:var(--muted); white-space:nowrap; }

.header-actions{ display:flex; align-items:center; gap:10px; }

.btn{
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(17,24,39,.02);
}
.btn:hover{
  border-color: var(--border-2);
  background: color-mix(in srgb, var(--panel) 88%, var(--brand) 12%);
  text-decoration:none;
}
.btn:focus-visible{ outline:none; box-shadow: var(--ring); }
.icon{ width:16px; height:16px; display:inline-block; }

.select{
  border:1px solid var(--border);
  background:var(--panel);
  color:var(--text);
  border-radius:10px;
  padding:8px 10px;
  font-size:13px;
  cursor:pointer;
}
.select:focus-visible{ outline:none; box-shadow: var(--ring); }

.header-mid{ display:flex; align-items:center; justify-content:center; gap:10px; padding:0 10px; }

.layout{
  display:grid;
  grid-template-columns: var(--sidebar-w) minmax(0,1fr) var(--toc-w);
  gap:0;
  min-height: calc(100vh - var(--header-h));
}

.sidebar{
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow:auto;
  border-right:1px solid var(--border);
  background: var(--bg-soft);
  padding:14px 10px 14px 14px;
}
.sidebar-top{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:0 6px 8px 6px;
}
.sidebar-top .small{ color:var(--muted); font-size:12px; }
.search{
  display:flex; align-items:center; gap:8px;
  border:1px solid var(--border);
  background:var(--panel);
  border-radius:12px;
  padding:8px 10px;
  margin:8px 6px 12px 6px;
}
.search input{
  width:100%;
  border:0; outline:none;
  background:transparent;
  color:var(--text);
  font-size:13px;
}
details.navcat{
  border:1px solid transparent;
  border-radius:12px;
  margin:6px 0;
}
details.navcat[open]{
  border-color: color-mix(in srgb, var(--border) 80%, transparent);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  box-shadow: 0 1px 0 rgba(17,24,39,.02);
}
details.navcat > summary{
  list-style:none;
  cursor:pointer;
  padding:10px 10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-weight:600;
  font-size:13px;
}
details.navcat > summary::-webkit-details-marker{ display:none; }
.chev{
  width:10px;height:10px;
  border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform .15s ease;
  opacity:.9;
}
details[open] > summary .chev{ transform: rotate(45deg); }

.navlist{
  padding:2px 8px 10px 8px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.navlink{
  display:flex; align-items:center; gap:8px;
  border-radius:10px;
  padding:7px 8px;
  font-size:13px;
  color: color-mix(in srgb, var(--text) 90%, var(--muted) 10%);
  text-decoration:none;
  border:1px solid transparent;
}
.navlink:hover{
  background: color-mix(in srgb, var(--panel) 70%, var(--brand) 10%);
  border-color: color-mix(in srgb, var(--border) 80%, transparent);
  text-decoration:none;
}
.navlink.active{
  background: color-mix(in srgb, var(--brand) 12%, var(--panel) 88%);
  border-color: color-mix(in srgb, var(--brand) 30%, var(--border) 70%);
  color: var(--text);
  font-weight:600;
}
.bullet{ width:6px;height:6px;border-radius:999px;background: color-mix(in srgb, var(--muted) 75%, transparent); flex:none; }
.navlink.active .bullet{ background: var(--brand); }

.backtotop{ margin-top:10px; padding:0 6px 16px 6px; }
.backtotop a{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--panel);
  text-decoration:none;
  color:var(--text);
}
.backtotop a:hover{ border-color: var(--border-2); }

.content{ padding:18px 18px 40px 18px; min-width:0; }
.content-inner{
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 6px 10px 30px 10px;
}
.breadcrumbs{
  font-size:12px;
  color:var(--muted);
  margin:6px 0 10px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.breadcrumbs a{ color:var(--muted); text-decoration:none; }
.breadcrumbs a:hover{ text-decoration:underline; }

h1,h2,h3{ line-height:1.25; letter-spacing:-0.01em; scroll-margin-top: calc(var(--header-h) + 16px); }
h1{ font-size:30px; margin:12px 0 10px; }
h2{
  font-size:22px;
  margin:30px 0 10px;
  padding-top:6px;
  border-top: 1px solid color-mix(in srgb, var(--border) 65%, transparent);
}
h3{
  font-size:16px;
  margin:18px 0 8px;
  color: color-mix(in srgb, var(--text) 92%, var(--muted) 8%);
}
.anchor{
  color:var(--muted);
  text-decoration:none;
  opacity:0;
  margin-left:8px;
  font-size:.9em;
  transition: opacity .15s ease;
}
h1:hover .anchor, h2:hover .anchor, h3:hover .anchor{ opacity:1; }

.lede{
  font-size:15px;
  color: color-mix(in srgb, var(--text) 92%, var(--muted) 8%);
  background: color-mix(in srgb, var(--panel) 85%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: 0 1px 0 rgba(17,24,39,.02);
}

.meta-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:12px 0 8px;
  color:var(--muted);
  font-size:12px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: var(--panel);
}

ul,ol{ padding-left:18px; }
li{ margin:6px 0; }
hr{ border:0; border-top:1px solid var(--border); margin:24px 0; }

table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--border);
  border-radius: var(--radius);
  overflow:hidden;
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(17,24,39,.02);
  margin: 12px 0 18px;
  font-size: 13px;
}
th,td{
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
th{
  text-align:left;
  font-weight:600;
  color: color-mix(in srgb, var(--text) 92%, var(--muted) 8%);
  background: color-mix(in srgb, var(--panel-2) 75%, transparent);
}
tr:last-child td{ border-bottom:0; }

pre{
  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid color-mix(in srgb, var(--border) 50%, #000 50%);
  border-radius: var(--radius);
  padding: 12px 14px;
  overflow:auto;
  box-shadow: 0 1px 0 rgba(17,24,39,.02);
  margin: 12px 0 18px;
}
pre code{ color:inherit; font-size:12px; line-height:1.55; }
.codehint{ font-size:12px; color: var(--code-muted); margin-top:-12px; margin-bottom:18px; }

kbd{
  font-size:12px;
  padding:2px 6px;
  border:1px solid var(--border-2);
  border-bottom-width:2px;
  border-radius:6px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 1px 0 rgba(17,24,39,.06);
}

.callout{
  border-radius: var(--radius);
  border: 1px solid var(--note-bd);
  background: var(--note-bg);
  color: var(--note-tx);
  padding: 12px 14px;
  margin: 12px 0 18px;
  box-shadow: 0 1px 0 rgba(17,24,39,.02);
}
.callout .title{
  font-weight:700;
  margin:0 0 6px;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color: color-mix(in srgb, var(--note-tx) 92%, var(--muted) 8%);
}
.callout.warn{ border-color: var(--warn-bd); background: var(--warn-bg); color: var(--warn-tx); }
.callout.danger{ border-color: var(--danger-bd); background: var(--danger-bg); color: var(--danger-tx); }
.callout.ok{ border-color: var(--ok-bd); background: var(--ok-bg); color: var(--ok-tx); }

.toc{
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow:auto;
  border-left:1px solid var(--border);
  background: var(--bg-soft);
  padding:14px 14px 14px 10px;
}
.toc-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:0 6px 8px 6px;
}
.toc-head strong{
  font-size:12px;
  color: var(--muted);
  letter-spacing:.12em;
  text-transform:uppercase;
}
.toc nav{
  padding:8px 6px 18px 6px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.toc a{
  font-size:13px;
  color: color-mix(in srgb, var(--text) 88%, var(--muted) 12%);
  padding:6px 8px;
  border-radius:10px;
  border:1px solid transparent;
  text-decoration:none;
}
.toc a:hover{
  background: color-mix(in srgb, var(--panel) 70%, var(--brand) 10%);
  border-color: color-mix(in srgb, var(--border) 80%, transparent);
}
.toc a.active{
  background: color-mix(in srgb, var(--brand) 12%, var(--panel) 88%);
  border-color: color-mix(in srgb, var(--brand) 30%, var(--border) 70%);
  font-weight:600;
  color: var(--text);
}
.toc .sub{
  margin-left:10px;
  border-left:1px dashed color-mix(in srgb, var(--border) 75%, transparent);
  padding-left:8px;
}

figure.doc-figure{
  margin:16px 0;
  padding:12px;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--panel);
}
figure.doc-figure img{
  max-width:100%;
  height:auto;
  display:block;
  border-radius:10px;
}
figure.doc-figure figcaption{
  margin-top:10px;
  color:var(--muted);
  font-size:.95rem;
}

footer{
  border-top:1px solid var(--border);
  background: var(--bg-soft);
  padding:18px;
}
.footer-inner{
  max-width: calc(var(--sidebar-w) + var(--content-max) + var(--toc-w));
  margin:0 auto;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  color:var(--muted);
  font-size:12px;
}
.langlinks{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.langlinks a{ color:var(--muted); text-decoration:none; }
.langlinks a:hover{ text-decoration:underline; }

.hidden{ display:none !important; }
.layout.nav-hidden{ grid-template-columns: 0 minmax(0,1fr) var(--toc-w); }
.layout.nav-hidden .sidebar{ display:none; }
.layout.toc-hidden{ grid-template-columns: var(--sidebar-w) minmax(0,1fr) 0; }
.layout.toc-hidden .toc{ display:none; }
.layout.nav-hidden.toc-hidden{ grid-template-columns: 0 minmax(0,1fr) 0; }

.menu-btn{ display:none; }
.overlay{ display:none; }

@media (max-width:1120px){
  :root{ --toc-w:0px; }
  .toc{ display:none; }
  .layout{ grid-template-columns: var(--sidebar-w) minmax(0,1fr) 0; }
}

@media (max-width:860px){
  :root{ --sidebar-w:0px; }
  .layout{ grid-template-columns: 0 minmax(0,1fr) 0; }
  .sidebar{ display:none; }
  .menu-btn{ display:inline-flex; }
  .header-inner{ grid-template-columns: auto auto 1fr auto; }
  .brand{ min-width:0; }
  .brand-title span{ display:none; }

  .overlay{
    position:fixed;
    inset: var(--header-h) 0 0 0;
    background: rgba(0,0,0,.35);
    z-index:90;
    display:none;
  }
  .overlay.open{ display:block; }
  .overlay .drawer{
    position:absolute;
    top:0; left:0;
    width:min(86vw, 340px);
    height:100%;
    background: var(--bg-soft);
    border-right:1px solid var(--border);
    box-shadow: var(--shadow);
    overflow:auto;
    padding:14px 10px 14px 14px;
  }
  .overlay .drawer .close-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:0 6px 8px 6px;
  }
}

@media print{
  .header, .sidebar, .toc, footer, .overlay{ display:none !important; }
  .layout{ display:block; }
  .content{ padding:0; }
  .content-inner{ max-width:100%; }
  a{ color:inherit; text-decoration:underline; }
}