/* CX Agent Docs — black/white CX brand, liquid-glass touches. Mobile first. */
@font-face{font-family:InterVar;src:url(/fonts/inter-var.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:JetBrainsMonoVar;src:url(/fonts/jetbrains-mono-var.woff2) format("woff2");font-weight:100 800;font-style:normal;font-display:swap}
:root{
  --bg:#fff;--fg:#0a0a0a;--fg-2:color-mix(in oklab,var(--fg) 66%,var(--bg));--fg-3:color-mix(in oklab,var(--fg) 46%,var(--bg));
  --surface:#fff;--raised:#fafafa;--line:color-mix(in oklab,var(--fg) 8%,transparent);--line-2:color-mix(in oklab,var(--fg) 13%,transparent);
  --fill:color-mix(in oklab,var(--fg) 3.5%,transparent);--fill-2:color-mix(in oklab,var(--fg) 6.5%,transparent);
  --primary:#0a0a0a;--on-primary:#fff;--accent:#2563eb;--accent-2:#5b4bb7;--accent-soft:color-mix(in oklab,var(--accent) 11%,transparent);
  --glass:color-mix(in oklab,var(--surface) 70%,transparent);--glass-strong:color-mix(in oklab,var(--surface) 88%,transparent);
  --hi:rgba(255,255,255,.8);--shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px -12px rgba(16,24,40,.14);
  --shadow-lg:0 2px 4px rgba(16,24,40,.04),0 24px 64px -24px rgba(16,24,40,.28),0 60px 120px -60px rgba(37,99,235,.18);
  --code-bg:#f6f6f7;--note:#2563eb;--tip:#16a34a;--warn:#d97706;
  --font:"InterVar","Inter",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrainsMonoVar",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);--top:64px;--sb:272px;color-scheme:light}
[data-mode=dark]{
  --bg:#0b0b0c;--fg:#ededed;--fg-2:color-mix(in oklab,var(--fg) 64%,var(--bg));--fg-3:color-mix(in oklab,var(--fg) 44%,var(--bg));
  --surface:#0e0e10;--raised:#131316;--line:color-mix(in oklab,var(--fg) 8%,transparent);--line-2:color-mix(in oklab,var(--fg) 12%,transparent);
  --primary:#fff;--on-primary:#000;--accent:#60a5fa;--accent-2:#a594ff;--glass:color-mix(in oklab,var(--surface) 62%,transparent);
  --glass-strong:color-mix(in oklab,var(--surface) 86%,transparent);--hi:rgba(255,255,255,.06);
  --shadow:0 1px 2px rgba(0,0,0,.35),0 10px 30px -12px rgba(0,0,0,.6);--shadow-lg:0 2px 6px rgba(0,0,0,.4),0 30px 80px -24px rgba(0,0,0,.75),0 60px 140px -60px rgba(96,165,250,.3);
  --code-bg:#141417;--note:#60a5fa;--tip:#4ade80;--warn:#fbbf24;color-scheme:dark}
*,*:before,*:after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--top) + 20px);scroll-behavior:smooth}
html.theming *{transition:background-color .3s,color .3s,border-color .3s!important}
body{margin:0;background:var(--bg);color:var(--fg);font:400 16px/1.65 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100dvh;display:flex;flex-direction:column}
body.modal-open,body.nav-open{overflow:hidden}
a{color:inherit}
img{max-width:100%}
.i{width:18px;height:18px;flex:none}
kbd{font:500 11px/1 var(--mono);padding:3px 6px;border-radius:6px;border:1px solid var(--line-2);background:var(--fill);color:var(--fg-3)}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--primary);color:var(--on-primary);padding:8px 14px;border-radius:10px}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ambient background blobs (liquid glass) */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bg i{position:absolute;width:52vmax;height:52vmax;border-radius:50%;filter:blur(90px);opacity:.14}
.bg i:first-child{background:radial-gradient(circle,#2563eb,transparent 65%);top:-26vmax;right:-14vmax}
.bg i:last-child{background:radial-gradient(circle,#7c3aed,transparent 65%);bottom:-30vmax;left:-18vmax;opacity:.08}
[data-mode=dark] .bg i{opacity:.2}

/* glass */
.glass{background:var(--glass);-webkit-backdrop-filter:blur(22px) saturate(180%);backdrop-filter:blur(22px) saturate(180%);border:1px solid var(--line-2);box-shadow:inset 0 1px 0 var(--hi),var(--shadow)}

/* top bar */
.topbar{position:sticky;top:0;z-index:40;padding:10px 10px 0;padding-top:max(10px,env(safe-area-inset-top))}
.topbar-in{display:flex;align-items:center;gap:8px;height:52px;padding:0 8px 0 6px;border-radius:18px;max-width:1440px;margin:0 auto}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:650;letter-spacing:-.01em;margin-right:auto;white-space:nowrap}
.brand img{border-radius:8px}
.brand b{font-weight:600;font-size:12px;padding:3px 8px;border-radius:999px;background:var(--primary);color:var(--on-primary)}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border:0;border-radius:12px;background:transparent;color:var(--fg);cursor:pointer;transition:background .2s}
.icon-btn:hover{background:var(--fill-2)}
.search-btn{display:flex;align-items:center;gap:8px;height:38px;padding:0 10px;border:1px solid var(--line-2);border-radius:12px;background:var(--fill);color:var(--fg-3);font:500 14px var(--font);cursor:pointer;transition:border-color .2s,background .2s}
.search-btn:hover{border-color:color-mix(in oklab,var(--fg) 25%,transparent);color:var(--fg-2)}
.topbar .search-btn span,.topbar .search-btn kbd{display:none}
.top-links{display:none}
.topbar .top-cta{display:none;white-space:nowrap}
.theme-toggle .i-moon{display:none}
[data-mode=dark] .theme-toggle .i-sun{display:none}
[data-mode=dark] .theme-toggle .i-moon{display:block}
.btn-primary{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:999px;background:var(--primary);color:var(--on-primary);text-decoration:none;font-weight:600;font-size:14px;transition:transform .2s var(--ease),opacity .2s}
.btn-primary:hover{transform:translateY(-1px);opacity:.92}

/* layout */
.layout{flex:1;width:100%;max-width:1440px;margin:0 auto;display:block;padding:0 16px}
.content{min-width:0;padding:22px 0 48px;animation:fadeUp .45s var(--ease) both}
.toc-col{display:none}

/* sidebar = slide-out drawer on mobile */
.sidebar{position:fixed;z-index:60;top:0;bottom:0;left:0;width:min(86vw,320px);transform:translateX(-104%);transition:transform .32s var(--ease);background:var(--glass-strong);-webkit-backdrop-filter:blur(26px) saturate(180%);backdrop-filter:blur(26px) saturate(180%);border-right:1px solid var(--line-2);box-shadow:var(--shadow-lg)}
.nav-open .sidebar{transform:none}
.sidebar-in{height:100%;overflow-y:auto;overscroll-behavior:contain;padding:14px 12px 40px;padding-top:max(14px,env(safe-area-inset-top))}
.scrim{position:fixed;inset:0;z-index:55;background:rgba(0,0,0,.32);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:fade .25s both}
.sb-head{display:flex;align-items:center;justify-content:space-between;padding:0 4px 10px;font-weight:650}
.sb-search{width:100%;margin-bottom:12px}
.sidebar nav{display:grid;gap:2px;font-size:14.5px}
.sb-home{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;text-decoration:none;color:var(--fg-2);font-weight:550}
.sb-home:hover{background:var(--fill-2);color:var(--fg)}
.sb-home.active{color:var(--fg);background:var(--fill-2)}
.sb-group summary{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;cursor:pointer;list-style:none;font-weight:600;color:var(--fg);user-select:none}
.sb-group summary::-webkit-details-marker{display:none}
.sb-group summary:after{content:"";margin-left:auto;width:7px;height:7px;border-right:1.6px solid var(--fg-3);border-bottom:1.6px solid var(--fg-3);transform:rotate(-45deg);transition:transform .2s}
.sb-group[open] summary:after{transform:rotate(45deg)}
.sb-group summary:hover{background:var(--fill)}
.sb-group summary .i{color:var(--fg-3)}
.sb-group ul{list-style:none;margin:2px 0 8px;padding:0 0 0 19px;border-left:1px solid var(--line-2);margin-left:18px}
.sb-group li a{display:block;padding:6px 10px;margin-left:-1px;border-left:2px solid transparent;text-decoration:none;color:var(--fg-2);border-radius:0 8px 8px 0;line-height:1.35;transition:color .15s,background .15s}
.sb-group li a:hover{color:var(--fg);background:var(--fill)}
.sb-group li a.active{color:var(--fg);font-weight:600;border-left-color:var(--fg);background:var(--fill-2)}

/* breadcrumbs */
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0 0 14px;padding:0;font-size:13px;color:var(--fg-3)}
.crumbs li:not(:last-child):after{content:"/";margin-left:6px;opacity:.6}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--fg)}
.crumbs [aria-current]{color:var(--fg-2);font-weight:500}

/* doc header */
.doc-head{padding-bottom:18px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--fg-3)}
.eyebrow .i{width:15px;height:15px}
.doc-head h1{font-size:clamp(30px,6vw,42px);line-height:1.12;letter-spacing:-.03em;margin:8px 0 10px;font-weight:720}
.lede{font-size:clamp(16.5px,2.4vw,18.5px);color:var(--fg-2);margin:0 0 14px;line-height:1.55}
.meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:12.5px;color:var(--fg-3)}
.meta>span:first-child{margin-right:6px}
.tag{padding:2px 9px;border-radius:999px;background:var(--fill-2);color:var(--fg-2)}

/* prose */
.prose{max-width:760px;margin:0 auto 0 0}
.prose h2{font-size:clamp(22px,4vw,26px);letter-spacing:-.02em;line-height:1.25;margin:42px 0 12px;font-weight:680}
.prose h3{font-size:19px;letter-spacing:-.01em;margin:30px 0 8px;font-weight:650}
.prose h4{font-size:16px;margin:24px 0 6px}
.prose h2,.prose h3,.prose h4{position:relative;scroll-margin-top:calc(var(--top) + 24px)}
.anchor{margin-left:8px;text-decoration:none;color:var(--fg-3);opacity:0;transition:opacity .15s;font-weight:500}
.prose h2:hover .anchor,.prose h3:hover .anchor,.anchor:focus{opacity:1}
.prose p,.prose ul,.prose ol{margin:0 0 16px}
.prose ul,.prose ol{padding-left:1.35em}
.prose li{margin:5px 0}
.prose li::marker{color:var(--fg-3)}
.prose strong{font-weight:640}
.prose a{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in oklab,var(--accent) 35%,transparent);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--accent)}
.prose a.xref{color:inherit;text-decoration-color:var(--line-2)}
.prose a.xref:hover{color:var(--accent);text-decoration-color:var(--accent)}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.prose code{font:500 .86em/1.4 var(--mono);padding:.15em .4em;border-radius:6px;background:var(--fill-2);border:1px solid var(--line);word-break:break-word}
.code{position:relative;margin:0 0 18px;border-radius:14px;background:var(--code-bg);border:1px solid var(--line-2);overflow:hidden}
.code pre{margin:0;padding:16px 18px;overflow-x:auto;font:13.5px/1.6 var(--mono);tab-size:2}
.code pre code{padding:0;border:0;background:none;font-size:inherit;word-break:normal;white-space:pre}
.copy{position:absolute;top:8px;right:8px;display:flex;align-items:center;gap:5px;height:28px;padding:0 9px;border-radius:8px;border:1px solid var(--line-2);background:var(--glass-strong);color:var(--fg-2);font:500 12px var(--font);cursor:pointer;opacity:.85;transition:opacity .15s,color .15s}
.copy .i{width:14px;height:14px}
.copy:hover{opacity:1;color:var(--fg)}
.copy.ok{color:var(--tip);border-color:color-mix(in oklab,var(--tip) 40%,transparent)}
@media (hover:hover){.copy{opacity:0}.code:hover .copy,.copy:focus-visible,.copy.ok{opacity:1}}
.table-wrap{margin:0 0 20px;overflow-x:auto;border:1px solid var(--line-2);border-radius:14px;background:var(--surface);box-shadow:var(--shadow)}
.table-wrap table{width:100%;border-collapse:collapse;font-size:14.5px;line-height:1.5}
.table-wrap th,.table-wrap td{padding:10px 14px;text-align:left;vertical-align:top;border-top:1px solid var(--line)}
.table-wrap th{border-top:0;background:var(--fill);font-weight:620;font-size:13px;color:var(--fg-2);white-space:nowrap}
.table-wrap tbody tr:hover td{background:var(--fill)}
.table-wrap td:first-child{font-weight:520}
.callout{margin:0 0 20px;padding:14px 16px;border-radius:14px;border:1px solid var(--line-2);background:var(--fill);--c:var(--fg-3)}
.callout-note{--c:var(--note)}.callout-tip{--c:var(--tip)}.callout-warning{--c:var(--warn)}
.callout:not(.callout-quote){border-color:color-mix(in oklab,var(--c) 28%,transparent);background:color-mix(in oklab,var(--c) 7%,transparent)}
.callout-quote{border-left:3px solid var(--line-2);color:var(--fg-2)}
.callout-h{display:flex;align-items:center;gap:7px;font-weight:650;font-size:14px;color:var(--c);margin-bottom:4px}
.callout-h .i{width:17px;height:17px}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}
.callout-b{font-size:15px}

/* pager */
.pager{display:grid;grid-template-columns:1fr;gap:10px;max-width:760px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.pager a{display:grid;gap:3px;padding:14px 16px;border-radius:16px;border:1px solid var(--line-2);text-decoration:none;background:var(--glass);transition:border-color .2s,transform .25s var(--ease),box-shadow .25s}
.pager a:hover{border-color:color-mix(in oklab,var(--fg) 30%,transparent);transform:translateY(-2px);box-shadow:var(--shadow)}
.pager small{display:flex;align-items:center;gap:4px;color:var(--fg-3);font-size:12.5px}
.pager small .i{width:14px;height:14px}
.pager span{font-weight:620}
.pager .next{text-align:right}.pager .next small{justify-content:flex-end}

/* TOC */
.toc{position:sticky;top:calc(var(--top) + 24px);max-height:calc(100dvh - var(--top) - 48px);overflow-y:auto;padding:4px 0 0}
.toc-h{margin:0 0 10px;font-size:12px;font-weight:650;text-transform:uppercase;letter-spacing:.05em;color:var(--fg-3)}
.toc ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--line-2)}
.toc a{display:block;padding:5px 0 5px 14px;margin-left:-1px;border-left:2px solid transparent;font-size:13.5px;line-height:1.4;text-decoration:none;color:var(--fg-3);transition:color .15s,border-color .15s}
.toc .l3 a{padding-left:26px;font-size:13px}
.toc a:hover{color:var(--fg)}
.toc a.on{color:var(--fg);border-left-color:var(--fg);font-weight:560}

/* footer */
.site-foot{border-top:1px solid var(--line);margin-top:24px;padding:28px 16px calc(28px + env(safe-area-inset-bottom))}
.foot-in{max-width:1440px;margin:0 auto;display:grid;gap:14px}
.foot-brand{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-weight:650}
.foot-brand img{border-radius:6px}
.foot-brand small{width:100%;font-weight:400;color:var(--fg-3);font-size:13px}
.site-foot nav{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px}
.site-foot nav a{text-decoration:none;color:var(--fg-2)}
.site-foot nav a:hover{color:var(--fg)}
.foot-copy{margin:0;color:var(--fg-3);font-size:13px}

/* search modal */
.search-modal{position:fixed;inset:0;z-index:80;display:flex;align-items:flex-start;justify-content:center;padding:max(10px,env(safe-area-inset-top)) 10px 10px;background:rgba(0,0,0,.28);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;transition:opacity .16s}
.search-modal.open{opacity:1}
.search-panel{width:100%;max-width:640px;margin-top:6vh;border-radius:20px;background:var(--glass-strong);overflow:hidden;transform:translateY(-8px) scale(.985);transition:transform .22s var(--ease);box-shadow:var(--shadow-lg)}
.search-modal.open .search-panel{transform:none}
.search-field{display:flex;align-items:center;gap:10px;padding:8px 8px 8px 16px;border-bottom:1px solid var(--line)}
.search-field .i{color:var(--fg-3)}
.search-field input,.hero-search input{flex:1;min-width:0;height:44px;border:0;outline:0;background:transparent;color:var(--fg);font:500 17px var(--font)}
input[type=search]::-webkit-search-cancel-button{display:none}
.search-results{list-style:none;margin:0;padding:6px;max-height:min(62dvh,520px);overflow-y:auto}
.search-results li a{display:grid;gap:2px;padding:10px 12px;border-radius:12px;text-decoration:none}
.search-results li.sel a,.search-results li a:hover{background:var(--fill-2)}
.search-results b{font-weight:620}
.r-c{font-size:12px;color:var(--fg-3)}
.r-s{font-size:13.5px;color:var(--fg-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.search-results mark{background:color-mix(in oklab,var(--accent) 22%,transparent);color:inherit;border-radius:3px;padding:0 1px}
.search-results .empty{padding:18px 14px;color:var(--fg-3);font-size:14px}
.search-results:empty{display:none}
.search-foot{display:none;gap:16px;padding:9px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--fg-3)}
.search-foot kbd{margin-right:3px}

/* docs home */
.content.wide{max-width:1180px;margin:0 auto}
.hero{position:relative;text-align:center;padding:30px 0 26px}
.pill{display:inline-block;padding:5px 12px;border-radius:999px;border:1px solid var(--line-2);background:var(--glass);font-size:12.5px;font-weight:560;color:var(--fg-2)}
.hero h1{font-size:clamp(34px,8.5vw,64px);line-height:1.04;letter-spacing:-.045em;font-weight:760;margin:16px auto 14px;max-width:14ch}
.grad{background:linear-gradient(100deg,var(--fg) 10%,color-mix(in oklab,var(--fg) 55%,var(--accent)) 60%,var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{max-width:46ch;margin:0 auto 24px}
.hero-search{position:relative;display:flex;align-items:center;gap:10px;max-width:600px;margin:0 auto;padding:6px 14px 6px 18px;border-radius:18px;transition:box-shadow .25s,border-color .25s}
.hero-search:focus-within{border-color:color-mix(in oklab,var(--fg) 30%,transparent);box-shadow:inset 0 1px 0 var(--hi),var(--shadow-lg)}
.hero-search .i{color:var(--fg-3)}
.hero-search kbd{display:none}
.hero-results{position:relative;z-index:5;max-width:600px;margin:8px auto 0;text-align:left;border-radius:18px;border:1px solid var(--line-2);background:var(--glass-strong);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);box-shadow:var(--shadow-lg);animation:fadeUp .2s var(--ease) both}
.popular{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:16px;font-size:13px;color:var(--fg-3)}
.popular span{margin-right:2px;align-self:center}
.popular a{padding:4px 11px;border-radius:999px;border:1px solid var(--line-2);text-decoration:none;color:var(--fg-2);transition:background .2s,color .2s}
.popular a:hover{background:var(--fill-2);color:var(--fg)}
.cats{display:grid;grid-template-columns:1fr;gap:12px;margin:22px 0 10px}
.cat-card{position:relative;display:grid;gap:4px;padding:18px;border-radius:20px;text-decoration:none;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.cat-card:before{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 100% 0%,var(--accent-soft),transparent 55%);opacity:0;transition:opacity .3s}
.cat-card:hover{transform:translateY(-3px);box-shadow:inset 0 1px 0 var(--hi),var(--shadow-lg);border-color:color-mix(in oklab,var(--fg) 22%,transparent)}
.cat-card:hover:before{opacity:1}
.cat-ic{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--primary);color:var(--on-primary);margin-bottom:8px;box-shadow:0 6px 16px -6px rgba(0,0,0,.35)}
.cat-ic .i{width:21px;height:21px}
.cat-card h3{margin:0;font-size:17px;font-weight:650;letter-spacing:-.01em}
.cat-card p{margin:0;color:var(--fg-2);font-size:14px;line-height:1.5}
.count{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-size:13px;font-weight:600;color:var(--fg-3)}
.count .i{width:15px;height:15px;transition:transform .25s var(--ease)}
.cat-card:hover .count{color:var(--fg)}
.cat-card:hover .count .i{transform:translateX(3px)}
.all-h{font-size:clamp(24px,4vw,30px);letter-spacing:-.025em;margin:48px 0 8px}
.group{padding-top:18px;scroll-margin-top:calc(var(--top) + 16px)}
.group h2{display:flex;align-items:center;gap:10px;font-size:18px;margin:0 0 10px;letter-spacing:-.01em}
.group h2 .i{color:var(--fg-3)}
.group h2 small{font-size:12px;font-weight:600;color:var(--fg-3);padding:2px 8px;border-radius:999px;background:var(--fill-2)}
.page-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:8px}
.page-list a{display:grid;gap:2px;height:100%;padding:12px 14px;border-radius:14px;border:1px solid var(--line);text-decoration:none;background:var(--glass);transition:border-color .2s,background .2s}
.page-list a:hover{border-color:var(--line-2);background:var(--fill)}
.page-list b{font-weight:600;font-size:15px}
.page-list span{font-size:13.5px;color:var(--fg-2);line-height:1.45}
.rv{opacity:0;transform:translateY(12px)}
.rv.in{opacity:1;transform:none;transition:opacity .55s var(--ease),transform .55s var(--ease);transition-delay:calc(var(--d,0) * 40ms)}

@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ---------- breakpoints ---------- */
@media (min-width:560px){
  .cats{grid-template-columns:repeat(2,1fr)}
  .page-list{grid-template-columns:repeat(2,1fr)}
  .pager{grid-template-columns:1fr 1fr}
  .topbar .search-btn{min-width:200px}
  .topbar .search-btn span{display:inline}
  .topbar .search-btn kbd{display:inline;margin-left:auto}
  .search-foot{display:flex}
  .hero-search kbd{display:inline}
}
@media (min-width:860px){
  .topbar{padding:12px 16px 0}
  .nav-toggle{display:none}
  .brand{margin-right:12px}
  .topbar-in{padding:0 10px 0 14px}
  .topbar .search-btn{margin-right:auto}
  .top-links{display:flex;gap:2px;font-size:14px}
  .top-links a{padding:8px 11px;border-radius:10px;text-decoration:none;color:var(--fg-2);transition:background .2s,color .2s}
  .top-links a:hover{background:var(--fill-2);color:var(--fg)}
  .top-links a[aria-current]{color:var(--fg);font-weight:600}
  .layout{display:grid;grid-template-columns:var(--sb) minmax(0,1fr);gap:40px;padding:0 24px}
  .sidebar{position:sticky;top:calc(var(--top) + 12px);height:calc(100dvh - var(--top) - 12px);width:auto;transform:none;background:none;-webkit-backdrop-filter:none;backdrop-filter:none;border:0;box-shadow:none;z-index:1}
  .sidebar-in{padding:14px 4px 40px 0}
  .sb-head,.sb-search{display:none}
  .scrim{display:none}
  body.nav-open{overflow:auto}
  .content{padding-top:30px}
  .cats{grid-template-columns:repeat(2,1fr)}
  .site-foot{padding-left:24px;padding-right:24px}
  .foot-in{grid-template-columns:auto 1fr;align-items:center}
  .site-foot nav{justify-content:flex-end}
  .foot-copy{grid-column:1/-1}
}
@media (min-width:1080px){
  .topbar .top-cta{display:inline-flex}
  .cats{grid-template-columns:repeat(3,1fr)}
  .page-list{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:1240px){
  .doc .layout{grid-template-columns:var(--sb) minmax(0,1fr) 220px}
  .toc-col{display:block;padding-top:30px}
  .home .cats{grid-template-columns:repeat(4,1fr)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .rv{opacity:1;transform:none}
}
@media print{.topbar,.sidebar,.toc-col,.pager,.site-foot,.bg{display:none!important}.layout{display:block}}