/* BotRadix Docs — institutional, readable, dark by default with a light theme. No external fonts. */
:root{
  --bg:#0b0c0e;--bg-soft:#0f1114;--surface:#121418;--surface-2:#171a1f;
  --border:rgba(255,255,255,.08);--border-strong:rgba(255,255,255,.15);
  --text:#ece9e2;--text-2:#c4c0b7;--muted:#8e8a81;
  --gold:#d4b26a;--gold-2:#ead090;--gold-soft:rgba(212,178,106,.11);--link:#e2c47f;
  --code-bg:#0e1013;--code-text:#e8dfc8;--inline-code:#1a1d22;
  --note:#6fa8da;--tip:#6cc39b;--important:#b08ff0;--warning:#e2b250;--caution:#e2746c;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Palatino,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,"Liberation Mono",monospace;
  color-scheme:dark;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  --bg:#fbfaf7;--bg-soft:#f5f3ee;--surface:#fff;--surface-2:#f7f5f0;
  --border:rgba(24,20,12,.10);--border-strong:rgba(24,20,12,.18);
  --text:#1b1a17;--text-2:#3b3832;--muted:#6f6a61;
  --gold:#9a7630;--gold-2:#7d5f21;--gold-soft:rgba(154,118,48,.09);--link:#86641f;
  --code-bg:#f4f2ed;--code-text:#3a3226;--inline-code:#f1eee7;
  --note:#2f6fa8;--tip:#2c8a5c;--important:#6b4bbf;--warning:#9a6a0c;--caution:#b23a32;
  --shadow:0 18px 48px rgba(40,32,16,.14);color-scheme:light}}
:root[data-theme="light"]{
  --bg:#fbfaf7;--bg-soft:#f5f3ee;--surface:#fff;--surface-2:#f7f5f0;
  --border:rgba(24,20,12,.10);--border-strong:rgba(24,20,12,.18);
  --text:#1b1a17;--text-2:#3b3832;--muted:#6f6a61;
  --gold:#9a7630;--gold-2:#7d5f21;--gold-soft:rgba(154,118,48,.09);--link:#86641f;
  --code-bg:#f4f2ed;--code-text:#3a3226;--inline-code:#f1eee7;
  --note:#2f6fa8;--tip:#2c8a5c;--important:#6b4bbf;--warning:#9a6a0c;--caution:#b23a32;
  --shadow:0 18px 48px rgba(40,32,16,.14);color-scheme:light}

*{box-sizing:border-box}
html{scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--link);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--link) 35%,transparent);text-underline-offset:3px}
a:hover{text-decoration-color:var(--link)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
img{max-width:100%}
.skip{position:absolute;left:-999px;top:8px;z-index:100;padding:8px 14px;background:var(--gold);color:#111;border-radius:6px}
.skip:focus{left:12px}

/* Header */
.top{position:sticky;top:0;z-index:50;height:64px;display:flex;align-items:center;gap:20px;padding:0 28px;
  background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text);flex:0 0 auto}
.brand-mark{width:40px;height:40px;display:grid;place-items:center;flex:0 0 auto;border:1px solid color-mix(in srgb,var(--gold) 26%,var(--border));border-radius:12px;background:rgba(215,173,88,.045);overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.25)}.brand-mark img{width:100%;height:100%;object-fit:contain;filter:sepia(1) saturate(1.35) hue-rotate(352deg) brightness(1.18)}.brand-mark-sm{width:28px;height:28px;border-radius:8px;box-shadow:none}.brand-mark-lg{width:68px;height:68px;margin:0 auto;border-radius:18px}
.brand span{display:flex;flex-direction:column;line-height:1.05}
.brand b{font:600 17px/1 var(--serif);letter-spacing:.01em}
.brand small{margin-top:4px;color:var(--gold);font-size:10.5px;font-weight:650;letter-spacing:.14em;text-transform:uppercase}
.search-open{display:flex;align-items:center;gap:10px;width:min(360px,34vw);height:38px;margin-left:24px;padding:0 10px 0 12px;
  border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--muted);font:inherit;font-size:14px;cursor:pointer}
.search-open:hover{border-color:var(--border-strong)}
.search-open svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}
.search-open span{flex:1;text-align:left}
kbd{padding:1px 7px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface-2);color:var(--muted);font:12px var(--mono)}
.top-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.top-links a{padding:7px 11px;border-radius:8px;color:var(--text-2);text-decoration:none;font-size:14px;font-weight:550}
.top-links a:hover{background:var(--gold-soft);color:var(--text)}
.top-links .lang{border:1px solid var(--border);margin-left:6px}
.theme{width:38px;height:38px;display:grid;place-items:center;margin-left:4px;border:1px solid var(--border);border-radius:9px;background:transparent;color:var(--text-2);cursor:pointer}
.theme svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8}
.nav-toggle{display:none;width:38px;height:38px;padding:9px;border:1px solid var(--border);border-radius:9px;background:transparent;cursor:pointer}
.nav-toggle span{display:block;height:2px;margin:3px 0;background:var(--text-2);border-radius:2px}

/* Layout */
.layout{max-width:1480px;margin:0 auto;display:grid;grid-template-columns:276px minmax(0,1fr) 230px;gap:56px;padding:0 32px}
.sidebar{position:sticky;top:64px;align-self:start;height:calc(100vh - 64px);overflow-y:auto;padding:28px 18px 40px 0;border-right:1px solid var(--border)}
.sidebar::-webkit-scrollbar{width:6px}.sidebar::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:6px}
.nav-group{margin-bottom:22px}
.nav-group p{margin:0 0 8px 10px;color:var(--muted);font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.nav-group a{display:block;padding:6px 10px;border-radius:8px;color:var(--text-2);text-decoration:none;font-size:14.5px;line-height:1.45}
.nav-group a:hover{background:var(--surface);color:var(--text)}
.nav-group a[aria-current="page"]{background:var(--gold-soft);color:var(--gold-2);font-weight:600;box-shadow:inset 2px 0 0 var(--gold)}
.content{min-width:0;max-width:800px;padding:40px 0 72px}
.crumbs{display:flex;gap:8px;margin-bottom:14px;color:var(--muted);font-size:13.5px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--text)}
.content h1{margin:0 0 12px;font:500 clamp(32px,4.2vw,44px)/1.12 var(--serif);letter-spacing:-.015em}
.lead{margin:0 0 18px;color:var(--text-2);font-size:18.5px;line-height:1.6}
.page-tools{display:flex;gap:10px;margin:0 0 30px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.page-tools a,.page-tools button{padding:5px 11px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);font:inherit;font-size:13px;text-decoration:none;cursor:pointer}
.page-tools a:hover,.page-tools button:hover{color:var(--text);border-color:var(--border-strong)}
.toc{position:sticky;top:64px;align-self:start;max-height:calc(100vh - 64px);overflow-y:auto;padding:40px 0}
.toc p{margin:0 0 10px;color:var(--muted);font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.toc a{display:block;padding:4px 0 4px 12px;border-left:1px solid var(--border);color:var(--muted);text-decoration:none;font-size:13.5px;line-height:1.45}
.toc a.toc-3{padding-left:24px;font-size:13px}
.toc a:hover{color:var(--text)}.toc a.active{color:var(--gold-2);border-left-color:var(--gold)}

/* Prose */
.prose{color:var(--text-2)}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 18px}
.prose strong{color:var(--text);font-weight:650}
.prose h2{margin:52px 0 16px;padding-top:28px;border-top:1px solid var(--border);color:var(--text);font:500 27px/1.25 var(--serif);letter-spacing:-.01em}
.prose h3{margin:34px 0 10px;color:var(--text);font-size:19px;font-weight:650;line-height:1.35}
.prose h4{margin:26px 0 8px;color:var(--text);font-size:16.5px;font-weight:650}
.prose>h2:first-child{margin-top:8px;padding-top:0;border-top:0}
.prose h2 .anchor,.prose h3 .anchor,.prose h4 .anchor{margin-left:8px;color:var(--muted);text-decoration:none;opacity:0;font-weight:400}
.prose h2:hover .anchor,.prose h3:hover .anchor,.prose h4:hover .anchor{opacity:1}
.prose ul,.prose ol{margin:0 0 20px;padding-left:24px}
.prose li{margin:6px 0}.prose li>ul,.prose li>ol{margin:6px 0 0}
.prose li::marker{color:var(--gold)}
.prose code{padding:2px 6px;border:1px solid var(--border);border-radius:6px;background:var(--inline-code);color:var(--text);font:.86em var(--mono);overflow-wrap:anywhere}
.prose hr{margin:40px 0;border:0;border-top:1px solid var(--border)}
.prose blockquote{margin:0 0 20px;padding:2px 0 2px 18px;border-left:3px solid var(--border-strong);color:var(--text-2)}
.code{margin:0 0 22px;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--code-bg)}
.code-head{display:flex;align-items:center;justify-content:space-between;height:38px;padding:0 10px 0 14px;border-bottom:1px solid var(--border);background:var(--surface)}
.code-head span{color:var(--muted);font:12px var(--mono);text-transform:lowercase}
.code-head button{padding:3px 10px;border:1px solid var(--border);border-radius:7px;background:transparent;color:var(--muted);font:12.5px var(--sans);cursor:pointer}
.code-head button:hover{color:var(--text);border-color:var(--border-strong)}
.code pre{margin:0;padding:16px 18px;overflow:auto;color:var(--code-text);font:13.5px/1.7 var(--mono)}
.code pre code{padding:0;border:0;background:transparent;color:inherit;font:inherit}
.table{margin:0 0 24px;overflow-x:auto;border:1px solid var(--border);border-radius:12px}
.table table{width:100%;border-collapse:collapse;font-size:14.5px;line-height:1.55}
.table th{padding:11px 14px;background:var(--surface);color:var(--text);font-weight:650;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
.table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:top}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover td{background:color-mix(in srgb,var(--surface) 60%,transparent)}
.callout{margin:0 0 22px;padding:14px 18px;border:1px solid var(--border);border-left:3px solid var(--note);border-radius:10px;
  background:color-mix(in srgb,var(--note) 7%,var(--bg))}
.callout>*:last-child{margin-bottom:0}
.callout-title{margin:0 0 6px!important;color:var(--note);font-size:12.5px;font-weight:750;letter-spacing:.08em;text-transform:uppercase}
.callout-tip{border-left-color:var(--tip);background:color-mix(in srgb,var(--tip) 7%,var(--bg))}.callout-tip .callout-title{color:var(--tip)}
.callout-important{border-left-color:var(--important);background:color-mix(in srgb,var(--important) 7%,var(--bg))}.callout-important .callout-title{color:var(--important)}
.callout-warning{border-left-color:var(--warning);background:color-mix(in srgb,var(--warning) 8%,var(--bg))}.callout-warning .callout-title{color:var(--warning)}
.callout-caution{border-left-color:var(--caution);background:color-mix(in srgb,var(--caution) 8%,var(--bg))}.callout-caution .callout-title{color:var(--caution)}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:0 0 28px}
.card{display:flex;flex-direction:column;gap:6px;padding:18px 20px;border:1px solid var(--border);border-radius:14px;background:var(--surface);
  color:var(--text-2);text-decoration:none;transition:border-color .15s,transform .15s}
.card:hover{border-color:color-mix(in srgb,var(--gold) 45%,var(--border));transform:translateY(-1px)}
.card strong{color:var(--text);font:600 17px/1.35 var(--serif)}
.card span{font-size:14.5px;line-height:1.55}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:56px}
.pager a{display:flex;flex-direction:column;gap:2px;padding:14px 18px;border:1px solid var(--border);border-radius:12px;color:var(--text);text-decoration:none;font-weight:600}
.pager a:hover{border-color:var(--border-strong);background:var(--surface)}
.pager small{color:var(--muted);font-size:12.5px;font-weight:500}
.pager .next{grid-column:2;text-align:right}
.updated{margin-top:28px;color:var(--muted);font-size:13px}

/* Footer */
.site-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1480px;margin:0 auto;padding:26px 32px 40px;border-top:1px solid var(--border);color:var(--muted);font-size:13.5px}
.site-foot div{display:flex;align-items:center;gap:10px}

.site-foot nav{display:flex;flex-wrap:wrap;gap:18px}
.site-foot a{color:var(--muted);text-decoration:none}.site-foot a:hover{color:var(--text)}

/* Search */
.search{position:fixed;inset:0;z-index:90;display:flex;align-items:flex-start;justify-content:center;padding:12vh 16px 16px;background:rgba(0,0,0,.55);backdrop-filter:blur(3px)}
.search[hidden]{display:none}
.search-box{width:min(680px,100%);border:1px solid var(--border-strong);border-radius:14px;background:var(--surface);box-shadow:var(--shadow);overflow:hidden}
.search-box input{width:100%;height:56px;padding:0 20px;border:0;border-bottom:1px solid var(--border);outline:0;background:transparent;color:var(--text);font:17px var(--sans)}
.search-results{max-height:60vh;overflow-y:auto;padding:8px}
.search-results:empty::after{content:attr(data-empty);display:block;padding:18px;color:var(--muted);font-size:14px}
.search-results a{display:block;padding:11px 14px;border-radius:10px;color:var(--text-2);text-decoration:none}
.search-results a b{display:block;color:var(--text);font-weight:600}
.search-results a small{color:var(--gold);font-size:12px}
.search-results a span{display:block;margin-top:2px;color:var(--muted);font-size:13.5px;line-height:1.5}
.search-results a.active,.search-results a:hover{background:var(--gold-soft)}
.search-results mark{background:transparent;color:var(--gold-2);font-weight:650}

.not-found{max-width:640px;margin:14vh auto;padding:0 24px;text-align:center}
.not-found h1{font:500 64px/1 var(--serif);margin:18px 0}

/* Responsive */
@media (max-width:1240px){.layout{grid-template-columns:262px minmax(0,1fr);gap:44px}.toc{display:none}}
@media (max-width:920px){
  .nav-toggle{display:block}
  .top{padding:0 16px;gap:12px}
  .search-open{width:auto;margin-left:auto}.search-open span,.search-open kbd{display:none}
  .top-links{margin-left:0}.top-links>a:not(.lang){display:none}
  .layout{display:block;padding:0 18px}
  .sidebar{position:fixed;top:64px;left:0;z-index:40;width:min(320px,86vw);height:calc(100vh - 64px);padding:22px 16px 40px;background:var(--bg);
    border-right:1px solid var(--border);transform:translateX(-102%);visibility:hidden;transition:transform .2s ease,visibility 0s linear .2s}
  body.nav-open .sidebar{transform:none;visibility:visible;box-shadow:var(--shadow);transition:transform .2s ease}
  .content{padding-top:28px}
  .cards{grid-template-columns:1fr}
  .site-foot{flex-direction:column;align-items:flex-start;padding:24px 18px 34px}
}
@media (max-width:520px){.top{gap:8px;padding:0 12px}.nav-toggle,.search-open,.top-links .theme{flex:0 0 auto}.brand{gap:9px}.brand-mark{width:34px;height:34px;border-radius:10px}.brand b{font-size:16px}.brand small{font-size:8.5px;letter-spacing:.08em}.top-links .lang{margin-left:2px;padding:7px 9px}.table.cols-3 table,.table.cols-4 table{min-width:560px}.table td code{overflow-wrap:anywhere;word-break:break-all}.table.cols-5 table,.table.cols-6 table,.table.cols-7 table{min-width:720px}.content h1{font-size:30px}.lead{font-size:17px}.prose h2{font-size:23px}.pager{grid-template-columns:1fr}.pager .next{grid-column:auto}}
@media print{.top,.sidebar,.toc,.pager,.page-tools,.site-foot,.search{display:none!important}.layout{display:block}.content{max-width:none}body{background:#fff;color:#000}}
/* W18 maintenance band (docs.js shows it only with the W18 meta and a maintenance status) */
.platform-notice{position:relative;z-index:60;padding:10px 28px;border-bottom:1px solid color-mix(in srgb,var(--gold) 40%,var(--border));background:color-mix(in srgb,var(--gold) 14%,var(--bg));color:var(--text);font-size:14px;line-height:1.5;text-align:center}
.platform-notice a{color:var(--link);font-weight:600}
@media (max-width:520px){.platform-notice{padding:10px 14px;font-size:13px;text-align:left}}