:root{
  --bg:#f6f7f9;--surface:#ffffff;--surface-2:#eef1f5;--text:#1b1f27;--muted:#5c6675;--line:#dde2e9;
  --accent:#0b5fff;--accent-ink:#ffffff;--accent-soft:#e6eeff;
  --code-bg:#0f172a;--code-text:#e5eaf3;--code-line:#1e293b;--code-cap:#94a3b8;
  --note:#e8f1ff;--note-ink:#0b5fff;--tip:#e7f7ec;--tip-ink:#1b7f3b;--warn:#fff4e0;--warn-ink:#b35b00;--admin:#f3e8ff;--admin-ink:#6d28d9;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
  --radius:10px;--sidebar:272px;--toc:220px;--topbar:56px;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","DejaVu Sans Mono",monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1220;--surface:#111a2b;--surface-2:#182338;--text:#e6ebf3;--muted:#9aa6b8;--line:#243044;
  --accent:#6ea0ff;--accent-ink:#0b1220;--accent-soft:#182a4d;
  --code-bg:#0a0f1a;--code-text:#e5eaf3;--code-line:#1c2637;--code-cap:#8a97ab;
  --note:#15264a;--note-ink:#8db4ff;--tip:#12301c;--tip-ink:#6fd08c;--warn:#3a2a10;--warn-ink:#ffb45c;--admin:#2a1d45;--admin-ink:#c4a5ff;
  --shadow:0 1px 2px rgba(0,0,0,.4);color-scheme:dark;}}
:root[data-theme="dark"]{
  --bg:#0b1220;--surface:#111a2b;--surface-2:#182338;--text:#e6ebf3;--muted:#9aa6b8;--line:#243044;
  --accent:#6ea0ff;--accent-ink:#0b1220;--accent-soft:#182a4d;
  --code-bg:#0a0f1a;--code-text:#e5eaf3;--code-line:#1c2637;--code-cap:#8a97ab;
  --note:#15264a;--note-ink:#8db4ff;--tip:#12301c;--tip-ink:#6fd08c;--warn:#3a2a10;--warn-ink:#ffb45c;--admin:#2a1d45;--admin-ink:#c4a5ff;
  --shadow:0 1px 2px rgba(0,0,0,.4);color-scheme:dark;}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--topbar) + 16px)}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--sans)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 12px;border-radius:6px;z-index:100}
.skip:focus{left:8px}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;height:var(--topbar);display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:var(--text);letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand-tld{color:var(--muted);font-weight:500}
.topnav{display:flex;gap:4px;margin-left:16px}
.topnav a{padding:6px 10px;border-radius:6px;color:var(--muted);font-weight:500;font-size:14px}
.topnav a:hover{background:var(--surface-2);color:var(--text);text-decoration:none}
.nav-toggle,.theme-toggle{background:none;border:1px solid transparent;color:var(--muted);border-radius:8px;width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle:hover,.theme-toggle:hover{background:var(--surface-2);color:var(--text)}
.theme-toggle{margin-left:auto}
.nav-toggle{display:none}
.i-moon{display:none}
:root[data-theme="dark"] .i-sun{display:none}
:root[data-theme="dark"] .i-moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .i-sun{display:none}:root:not([data-theme="light"]) .i-moon{display:block}}

/* layout */
.layout{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr) var(--toc);max-width:1440px;margin:0 auto;gap:0}
.sidenav{position:sticky;top:var(--topbar);height:calc(100vh - var(--topbar));overflow-y:auto;padding:20px 12px 40px;border-right:1px solid var(--line);font-size:14px}
.nav-group{margin-bottom:18px}
.nav-group-title{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:0 10px;margin-bottom:6px}
.sidenav ul{list-style:none;margin:0;padding:0}
.sidenav a{display:block;padding:6px 10px;border-radius:6px;color:var(--text)}
.sidenav a:hover{background:var(--surface-2);text-decoration:none}
.sidenav a[aria-current="page"]{background:var(--accent-soft);color:var(--accent);font-weight:600}
.content{padding:28px 40px 60px;min-width:0}
.content article{max-width:820px}
.toc{position:sticky;top:var(--topbar);height:calc(100vh - var(--topbar));overflow-y:auto;padding:28px 16px;font-size:13px}
.toc-title{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc li a{display:block;padding:4px 10px;color:var(--muted);border-left:2px solid transparent;margin-left:-2px;line-height:1.4}
.toc li.h3 a{padding-left:22px;font-size:12px}
.toc li a:hover{color:var(--text);text-decoration:none}
.toc li a.active{color:var(--accent);border-left-color:var(--accent);font-weight:600}
.toc:has(#toc:empty){visibility:hidden}
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40}

@media (max-width:1200px){.layout{grid-template-columns:var(--sidebar) minmax(0,1fr)}.toc{display:none}}
@media (max-width:960px){
  .layout{grid-template-columns:1fr}
  .nav-toggle{display:inline-flex}
  .topnav{display:none}
  .sidenav{position:fixed;left:0;top:var(--topbar);width:min(320px,86vw);transform:translateX(-105%);transition:transform .2s ease;background:var(--surface);z-index:45;box-shadow:var(--shadow)}
  .sidenav.open{transform:none}
  .content{padding:20px 18px 48px}
}

/* typography */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:12px}
.crumbs a{color:var(--muted)}
h1{font-size:clamp(28px,4vw,38px);line-height:1.15;letter-spacing:-.02em;margin:0 0 12px}
h2{font-size:24px;line-height:1.25;letter-spacing:-.01em;margin:44px 0 12px;padding-top:8px;border-top:1px solid var(--line)}
h3{font-size:18px;margin:28px 0 8px}
h4{font-size:15px;margin:20px 0 6px}
h2 a.anchor,h3 a.anchor{color:var(--muted);opacity:0;margin-left:6px;font-weight:400}
h2:hover a.anchor,h3:hover a.anchor{opacity:1}
p,ul,ol{margin:0 0 14px}
li{margin-bottom:4px}
.lead{font-size:19px;color:var(--muted);line-height:1.55;margin-bottom:24px}
code,kbd{font-family:var(--mono);font-size:.9em}
p code,li code,td code,th code,dd code,dt code,h2 code,h3 code,h4 code,summary code{background:var(--surface-2);border:1px solid var(--line);border-radius:4px;padding:1px 5px;white-space:nowrap}
h1 code{background:none;border:0;padding:0}
kbd{background:var(--surface-2);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:1px 6px;font-size:.85em}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
blockquote{margin:0 0 14px;padding:4px 16px;border-left:3px solid var(--line);color:var(--muted)}
dl{margin:0 0 14px}
dt{font-weight:600;margin-top:10px}
dd{margin:2px 0 0 0;padding-left:16px}
details{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:0 0 12px;background:var(--surface)}
summary{cursor:pointer;font-weight:600}
details[open] summary{margin-bottom:8px}

/* code blocks */
figure.code{margin:0 0 18px;border-radius:var(--radius);overflow:hidden;background:var(--code-bg);border:1px solid var(--code-line);box-shadow:var(--shadow)}
figure.code figcaption{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:var(--code-line);color:var(--code-cap);font:600 12px/1.4 var(--sans);letter-spacing:.02em}
figure.code figcaption span::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px;background:#10b981;vertical-align:1px}
figure.code[data-lang="cmd"] figcaption span::before,figure.code[data-lang="ps"] figcaption span::before{background:#38bdf8}
figure.code[data-lang="mac"] figcaption span::before{background:#a78bfa}
figure.code.code-out figcaption span::before{background:#94a3b8}
figure.code pre{margin:0;padding:14px 16px;overflow-x:auto;color:var(--code-text);font:13.5px/1.55 var(--mono);tab-size:4}
figure.code.code-out pre{color:#b8c2d3}
.copy-btn{background:transparent;border:1px solid #334155;color:#cbd5e1;border-radius:6px;padding:2px 10px;font:600 12px var(--sans);cursor:pointer}
.copy-btn:hover{background:#1e293b}
.copy-btn.done{border-color:#10b981;color:#6ee7b7}

/* callouts */
.callout{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;align-items:start;padding:12px 16px;border-radius:var(--radius);margin:0 0 18px;border:1px solid transparent}
.callout strong{font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding-top:3px}
.callout div>p:last-child{margin-bottom:0}
.callout-note{background:var(--note);border-color:color-mix(in srgb,var(--note-ink) 30%,transparent)}.callout-note strong{color:var(--note-ink)}
.callout-tip{background:var(--tip);border-color:color-mix(in srgb,var(--tip-ink) 30%,transparent)}.callout-tip strong{color:var(--tip-ink)}
.callout-warn{background:var(--warn);border-color:color-mix(in srgb,var(--warn-ink) 30%,transparent)}.callout-warn strong{color:var(--warn-ink)}
.callout-admin{background:var(--admin);border-color:color-mix(in srgb,var(--admin-ink) 30%,transparent)}.callout-admin strong{color:var(--admin-ink)}
@media (max-width:600px){.callout{grid-template-columns:1fr}}

/* tables */
.table-wrap{overflow-x:auto;margin:0 0 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--surface-2);font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:0}
td.first{font-weight:500}
table.mono td.first,table.mono-all td{font-family:var(--mono);font-size:13px}
table.mono td.first code{white-space:normal}

/* tabs */
.tabs{margin:0 0 18px}
.tablist{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--line);margin-bottom:12px}
.tablist button{background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:8px 14px;font:600 14px var(--sans);color:var(--muted);cursor:pointer}
.tablist button:hover{color:var(--text)}
.tablist button[aria-selected="true"]{color:var(--accent);border-bottom-color:var(--accent)}

/* cards & misc */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:0 0 24px}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;color:var(--text);box-shadow:var(--shadow)}
.card:hover{text-decoration:none;border-color:var(--accent)}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.04em;padding:1px 7px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted);vertical-align:middle;white-space:nowrap}
.badge-win{color:#0369a1;border-color:#7dd3fc;background:#e0f2fe}
.badge-mac{color:#6d28d9;border-color:#c4b5fd;background:#f3e8ff}
.badge-lin{color:#15803d;border-color:#86efac;background:#dcfce7}
.badge-bsd{color:#b91c1c;border-color:#fca5a5;background:#fee2e2}
:root[data-theme="dark"] .badge-win,:root[data-theme="dark"] .badge-mac,:root[data-theme="dark"] .badge-lin,:root[data-theme="dark"] .badge-bsd{background:var(--surface-2)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .badge-win,:root:not([data-theme="light"]) .badge-mac,:root:not([data-theme="light"]) .badge-lin,:root:not([data-theme="light"]) .badge-bsd{background:var(--surface-2)}}
.hero{padding:8px 0 8px}
.hero .lead{max-width:680px}
.hero-cmds{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:20px 0 28px}
.hero-cmd{background:var(--code-bg);color:var(--code-text);border-radius:var(--radius);padding:14px 16px;font-family:var(--mono);font-size:14px;border:1px solid var(--code-line)}
.hero-cmd small{display:block;font-family:var(--sans);color:var(--code-cap);font-size:12px;margin-bottom:4px;font-weight:600}
.ipbox{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin:0 0 22px;box-shadow:var(--shadow)}
.ipbox .ip{font-family:var(--mono);font-size:clamp(20px,4vw,30px);font-weight:700;word-break:break-all;color:var(--accent)}
.ipbox .meta{color:var(--muted);font-size:14px;margin-top:6px}
.page-foot{margin-top:48px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;max-width:820px}
.sitefoot{border-top:1px solid var(--line);background:var(--surface);margin-top:20px}
.sitefoot-inner{max-width:1440px;margin:0 auto;padding:24px 40px;font-size:14px;color:var(--muted);display:grid;gap:8px}
.foot-small{font-size:12px}
@media (max-width:960px){.sitefoot-inner{padding:20px 18px}}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
@media (max-width:700px){.two-col{grid-template-columns:1fr}}
.steps{counter-reset:step;list-style:none;padding:0}
.steps>li{position:relative;padding-left:40px;margin-bottom:14px}
.steps>li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:2px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
@media print{.topbar,.sidenav,.toc,.sitefoot,.copy-btn,.theme-toggle{display:none!important}.layout{display:block}.content{padding:0}figure.code{break-inside:avoid}}
table.tasks td.first{min-width:150px;font-weight:600}
table.tasks td{min-width:180px}