/* Vanar User Guides: layout and theme modelled on docs.onvanar.com (vanar-docs). */
@font-face{font-family:"Metaluna";src:url("../fonts/Metaluna-Bold.otf") format("opentype");font-weight:700;font-display:swap}
:root{
  --bg:150 25% 99%;--fg:143 27% 6%;--muted:146 22% 95%;--muted-fg:140 6% 40%;--card:0 0% 100%;
  --accent:165 53% 24%;--accent-fg:0 0% 100%;--border:146 18% 90%;--ring:165 53% 24%;
  --mint:150 69% 70%;--violet:250 66% 62%;--radius:.6rem;--hdr:64px;
  --sans:"Inter",system-ui,sans-serif;--display:"Inter Tight","Inter",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code","JetBrains Mono",monospace;
  color-scheme:light;
}
.dark{
  --bg:162 40% 7%;--fg:103 30% 93%;--muted:162 28% 14%;--muted-fg:150 14% 65%;--card:162 32% 10%;
  --accent:150 69% 70%;--accent-fg:162 45% 10%;--border:162 22% 20%;--ring:150 69% 70%;color-scheme:dark;
}
*{box-sizing:border-box;border-color:hsl(var(--border))}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--hdr) + 16px)}
body{margin:0;background:hsl(var(--bg));color:hsl(var(--fg));font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display)}
:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}
svg{flex:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Header */
.hdr{position:sticky;top:0;z-index:30;height:var(--hdr);border-bottom:1px solid hsl(var(--border));background:hsl(var(--bg)/.9);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.hdr-in{max-width:1536px;height:100%;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;min-width:0}
.brand img{width:26px;height:26px}
.wm{font:700 19px/1 "Metaluna",var(--display);letter-spacing:.02em}
.wm-sub{font:700 13px/1 "Metaluna",var(--display);letter-spacing:.06em;color:#8471ef;text-transform:lowercase;padding-top:3px}
.hdr-r{margin-left:auto;display:flex;align-items:center;gap:6px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;border:0;background:transparent;color:hsl(var(--fg));cursor:pointer}
.icon-btn:hover{background:hsl(var(--muted))}
.search-btn{display:flex;align-items:center;gap:8px;height:36px;min-width:156px;padding:0 8px 0 12px;border:1px solid hsl(var(--border));border-radius:8px;background:hsl(var(--card));color:hsl(var(--muted-fg));font:14px var(--sans);cursor:pointer}
.search-btn:hover{border-color:hsl(var(--accent))}
.search-btn kbd{margin-left:auto;font:11px var(--mono);border:1px solid hsl(var(--border));border-radius:5px;padding:1px 5px}
.nav-btn{display:none}
.sun{display:none}.dark .sun{display:block}.dark .moon{display:none}

/* Shell */
.shell{max-width:1536px;margin:0 auto;padding:0 16px;display:flex;gap:32px}
.side{width:272px;flex:none;border-right:1px solid hsl(var(--border));position:sticky;top:var(--hdr);align-self:flex-start;height:calc(100vh - var(--hdr));overflow-y:auto;padding:32px 16px 32px 0}
.side a{text-decoration:none}
.side .top{display:block;padding:6px 0;font-weight:600;font-size:15px}
.side .top:hover{color:hsl(var(--accent))}
.side details{margin-top:6px}
.side summary{display:flex;align-items:center;justify-content:space-between;padding:6px 0;font-weight:600;font-size:15px;cursor:pointer;list-style:none}
.side summary::-webkit-details-marker{display:none}
.side summary svg{transition:transform .15s;color:hsl(var(--muted-fg))}
.side details[open] summary svg{transform:rotate(90deg)}
.side ul{list-style:none;margin:4px 0 6px 8px;padding:0 0 0 0;border-left:1px solid hsl(var(--border))}
.side li a{display:flex;gap:8px;padding:6px 10px;margin-left:-1px;border-left:2px solid transparent;font-size:14.5px;line-height:1.35;color:hsl(var(--muted-fg));border-radius:0 6px 6px 0}
.side li a:hover{color:hsl(var(--fg))}
.side li a.on,.side .top.on{color:hsl(var(--accent));font-weight:500}
.side li a.on{background:hsl(var(--accent)/.1);border-left-color:hsl(var(--accent))}
.side .num{min-width:14px;font:600 12px/1.6 var(--mono);color:inherit;opacity:.8}
.scrim{display:none}
.side-close{display:none}

.main{flex:1;min-width:0;max-width:880px;padding:32px 0 48px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:14px;color:hsl(var(--muted-fg));margin-bottom:16px}
.crumbs a{text-decoration:none}.crumbs a:hover{color:hsl(var(--fg))}
.crumbs [aria-current]{color:hsl(var(--fg))}
.pill{display:inline-block;margin-bottom:10px;padding:2px 10px;border-radius:999px;background:hsl(var(--accent)/.1);color:hsl(var(--accent));font:600 12px/1.6 var(--sans)}
.main h1{margin:0;font-size:30px;line-height:1.15;font-weight:700;letter-spacing:-.02em}
.desc{margin:10px 0 0;font-size:18px;line-height:1.55;color:hsl(var(--muted-fg))}

/* Prose */
.prose{margin-top:32px;line-height:1.7}
.prose>*+*{margin-top:16px}
.prose>:first-child{margin-top:0}
.prose p{margin:16px 0 0}
.prose h2{font-size:24px;line-height:1.25;font-weight:650;letter-spacing:-.01em;margin:40px 0 0;padding-bottom:6px;border-bottom:1px solid hsl(var(--border))}
.prose h3{font-size:19px;line-height:1.3;font-weight:600;margin:28px 0 0}
.prose h2+*,.prose h3+*{margin-top:12px}
.prose a{color:hsl(var(--accent));text-decoration:underline;text-underline-offset:2px}
.prose ul,.prose ol{padding-left:24px;margin:16px 0 0}
.prose li{margin-top:6px}
.prose code{font-family:var(--mono);font-size:.85em;background:hsl(var(--muted));padding:.15rem .35rem;border-radius:.3rem}
.prose pre{background:hsl(162 45% 8%);color:hsl(103 30% 92%);padding:16px 18px;border-radius:var(--radius);overflow-x:auto;font-size:14px;border:1px solid hsl(162 30% 16%);white-space:pre-wrap}
.prose pre code{background:none;padding:0;color:inherit}
.prose .tbl{overflow-x:auto;margin-top:16px}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:440px}
.prose th,.prose td{border:1px solid hsl(var(--border));padding:8px 12px;text-align:left;vertical-align:top}
.prose th{background:hsl(var(--muted));font-weight:600}
.prose figure{margin:24px 0}
.prose figure a{position:relative;display:block;border:1px solid hsl(var(--border));border-radius:var(--radius);overflow:hidden;cursor:zoom-in;text-decoration:none}
.prose figure img{display:block;width:100%;height:auto}
.prose figure .zoom{position:absolute;right:8px;bottom:8px;padding:3px 9px;border-radius:999px;background:hsl(var(--card));border:1px solid hsl(var(--border));font:500 12px var(--sans);color:hsl(var(--fg))}
.prose figcaption{margin-top:8px;font-size:14px;color:hsl(var(--muted-fg));text-align:center}
.prose figure.vid video{display:block;width:100%;aspect-ratio:16/9;border-radius:var(--radius);background:#000}
.prose blockquote{border-left:3px solid hsl(var(--accent));padding-left:16px;color:hsl(var(--muted-fg));margin-left:0}
.help-box{margin-top:40px;padding:14px 16px;border:1px solid hsl(var(--border));border-left:3px solid hsl(var(--accent));border-radius:var(--radius);background:hsl(var(--muted));font-size:15px}
.help-box strong{display:block;margin-bottom:2px}
.help-box a{color:hsl(var(--accent));font-weight:600}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:48px;padding-top:24px;border-top:1px solid hsl(var(--border))}
.pager a{display:flex;flex-direction:column;padding:16px;border:1px solid hsl(var(--border));border-radius:var(--radius);text-decoration:none;transition:border-color .15s}
.pager a:hover{border-color:hsl(var(--accent))}
.pager a:hover .pt{color:hsl(var(--accent))}
.pager .next{grid-column:2;text-align:right;align-items:flex-end}
.pager .pd{display:flex;align-items:center;gap:4px;font-size:12px;color:hsl(var(--muted-fg))}
.pager .pt{margin-top:4px;font-weight:500}

.toc{width:224px;flex:none;display:none}
.toc-in{position:sticky;top:var(--hdr);max-height:calc(100vh - var(--hdr));overflow-y:auto;padding:32px 0}
.toc p{margin:0 0 12px;font-weight:600;font-size:14px}
.toc ul{list-style:none;margin:0;padding:0;border-left:1px solid hsl(var(--border))}
.toc a{display:block;padding:5px 0 5px 12px;margin-left:-1px;border-left:2px solid transparent;font-size:14px;line-height:1.4;color:hsl(var(--muted-fg));text-decoration:none}
.toc a:hover{color:hsl(var(--fg))}
.toc a.on{color:hsl(var(--accent));border-left-color:hsl(var(--accent))}

.foot{margin-top:40px;padding:20px 0 8px;border-top:1px solid hsl(var(--border));display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;font-size:14px;color:hsl(var(--muted-fg))}
.foot a{color:hsl(var(--accent));font-weight:500;text-decoration:none}
.foot .pw{display:flex;align-items:center;gap:6px}
.foot .pw .wm{font-size:14px;color:hsl(var(--fg));opacity:.75}

/* Home */
.home .hdr-in,.home-wrap{max-width:1152px}
.aurora{position:relative;isolation:isolate}
.aurora::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:
  radial-gradient(84% 66% at 8% -8%,hsl(var(--violet)/.40),transparent 78%),
  radial-gradient(78% 62% at 92% 0%,hsl(var(--mint)/.55),transparent 80%),
  radial-gradient(80% 58% at 50% 105%,hsl(var(--accent)/.18),transparent 74%)}
.dark .aurora::before{background:
  radial-gradient(84% 66% at 8% -8%,hsl(var(--violet)/.55),transparent 78%),
  radial-gradient(78% 62% at 92% 0%,hsl(var(--mint)/.30),transparent 80%),
  radial-gradient(80% 58% at 50% 105%,hsl(var(--violet)/.28),transparent 74%)}
.home-wrap{margin:0 auto;padding:0 16px 48px}
.hero{text-align:center;padding:88px 0 56px}
.hero .big{display:block;font:700 clamp(54px,9vw,104px)/1 "Metaluna",var(--display);letter-spacing:.01em}
.hero h1{margin:18px 0 0;font-size:clamp(22px,2.4vw,26px);font-weight:600}
.hero p{margin:12px auto 0;max-width:56ch;color:hsl(var(--muted-fg));font-size:17px}
.hero .search-btn{margin:28px auto 0;min-width:0;width:min(100%,420px);height:44px}
.sect{margin-top:40px}
.sect h2{margin:0;font-size:20px;font-weight:650}
.sect .sub{margin:4px 0 16px;color:hsl(var(--muted-fg));font-size:15px}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:16px}
.card{display:flex;gap:14px;height:100%;padding:20px;border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));text-decoration:none;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:hsl(var(--accent));box-shadow:0 6px 20px -12px hsl(var(--fg)/.25)}
.card .n{flex:none;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:hsl(var(--accent)/.1);color:hsl(var(--accent));font:600 13px var(--mono)}
.card .t{display:block;font:600 17px/1.3 var(--display)}
.card .s{display:block;margin-top:4px;font-size:14.5px;line-height:1.5;color:hsl(var(--muted-fg))}
.card .go{display:inline-flex;align-items:center;gap:4px;margin-top:10px;font-size:14px;color:hsl(var(--accent));font-weight:500}
.card.start{padding:24px;border-color:hsl(var(--accent)/.5)}
.card.start .t{font-size:20px}
.home .foot{justify-content:center;text-align:center;flex-direction:column}

/* Search */
.sm{position:fixed;inset:0;z-index:50;display:none;align-items:flex-start;justify-content:center;padding:10vh 16px 16px;background:hsl(var(--fg)/.35)}
.sm.open{display:flex}
.sm-box{width:min(100%,640px);max-height:70vh;display:flex;flex-direction:column;background:hsl(var(--card));border:1px solid hsl(var(--border));border-radius:12px;box-shadow:0 24px 60px -20px rgba(0,0,0,.4);overflow:hidden}
.sm-in{display:flex;align-items:center;gap:10px;padding:0 14px;border-bottom:1px solid hsl(var(--border))}
.sm-in input{flex:1;height:52px;border:0;background:transparent;color:hsl(var(--fg));font:16px var(--sans);outline:none}
.sm-in kbd{font:11px var(--mono);border:1px solid hsl(var(--border));border-radius:5px;padding:1px 5px;color:hsl(var(--muted-fg))}
.sm-res{list-style:none;margin:0;padding:8px;overflow-y:auto}
.sm-res a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none}
.sm-res a.sel,.sm-res a:hover{background:hsl(var(--accent)/.1)}
.sm-res .rt{font-weight:600;font-size:15px}
.sm-res .rh{color:hsl(var(--accent));font-weight:500}
.sm-res .rs{display:block;margin-top:2px;font-size:13.5px;color:hsl(var(--muted-fg));overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sm-res mark{background:hsl(var(--mint)/.45);color:inherit;border-radius:2px}
.sm-empty{padding:24px;text-align:center;color:hsl(var(--muted-fg));font-size:14px}

@media (min-width:1280px){.toc{display:block}}
@media (max-width:1023px){
  .nav-btn{display:inline-flex}
  .side{position:fixed;z-index:45;top:0;left:0;bottom:0;height:100vh;width:min(86vw,300px);background:hsl(var(--bg));padding:20px 16px;border-right:1px solid hsl(var(--border));transform:translateX(-100%);transition:transform .2s;visibility:hidden}
  body.nav-open .side{transform:none;visibility:visible}
  .side-close{display:inline-flex;float:right;margin:-6px -6px 0 0}
  body.nav-open .scrim{display:block;position:fixed;inset:0;z-index:44;background:hsl(var(--fg)/.35)}
  .main{padding-top:24px}
}
@media (max-width:640px){
  .hdr .search-btn{min-width:0;width:36px;padding:0;justify-content:center;border-color:transparent;background:transparent}
  .hdr .search-btn span,.hdr .search-btn kbd{display:none}
  .main h1{font-size:27px}.desc{font-size:17px}
  .pager{grid-template-columns:1fr}.pager .next{grid-column:1}
  .prose table{min-width:0}
  .search-btn kbd{display:none}
  .hero{padding:56px 0 36px}
}
@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important}}
@media print{.hdr,.side,.toc,.pager,.sm{display:none!important}}