:root{color-scheme:light;--paper:#fafaf9;--ink:#1c1917;--muted:#57534e;--line:#e7e5e4;--accent:#1c1917;--surface:#f5f5f4;--sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--serif:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}
html{scroll-padding-top:100px}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
button,input{font:inherit}
button,a,summary{-webkit-tap-highlight-color:transparent}
button,summary{cursor:pointer}
[hidden]{display:none!important}
.skip-link{position:fixed;inset-block-start:-100px;inset-inline-start:20px;padding:12px 20px;background:white;z-index:10}
.skip-link:focus{inset-block-start:10px}
.site-header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:28px;padding-inline:4vw;background:var(--paper)}
.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:650;letter-spacing:-.6px;white-space:nowrap}
.brand-symbol{position:relative;font-size:28px;line-height:1;font-weight:800;color:var(--accent);letter-spacing:-8px;padding-inline-end:8px}
.brand-symbol span{font-size:21px}
.header-label{border-inline-start:1px solid var(--line);padding-inline-start:28px;color:var(--muted);font-size:13px}
.back-home{margin-inline-start:auto;font-size:13px}
.back-home span{margin-inline-start:12px}
.docs-layout{max-width:1580px;margin:auto;display:grid;grid-template-columns:250px minmax(0,1fr);gap:54px;padding:0 4vw}
.sidebar{border-inline-end:1px solid var(--line);padding:40px 25px 36px 0}
.contents-menu summary{font-size:12px;color:var(--muted);margin-bottom:24px}
.overview-link{display:block;padding:7px 10px;margin-inline-start:-10px;font-size:14px}
.nav-group{margin-top:27px}
.nav-group>p{font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);font-weight:650;margin-bottom:10px}
.nav-group ul{list-style:none;margin:0;padding:0}
.nav-group a{display:block;font-size:13px;line-height:1.45;padding:9px 10px;margin:1px 0 1px -10px;border-radius:5px}
.sidebar a[aria-current=page]{color:#1c1917;background:var(--surface);font-weight:600;box-shadow:inset 2px 0 var(--accent)}
.sidebar-note{font:italic 17px/1.5 var(--serif);color:#756d65;margin-top:50px}
main{min-width:0;padding:32px 0 70px}
.breadcrumbs{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-bottom:48px}
.breadcrumbs span[aria-current]{color:var(--ink)}
.eyebrow,.section-kicker{font-size:10px;letter-spacing:1.8px;font-weight:650;color:var(--accent);margin:0 0 16px}
.hub-intro h1{font:normal clamp(36px,4.4vw,65px)/1.09 var(--serif);letter-spacing:-2px;margin:0 0 22px}
.hub-intro h1 span{color:var(--accent)}
.lede{font-size:16px;line-height:1.75;color:var(--muted);max-width:660px}
.hub-intro{margin-bottom:40px}
.start-panel{display:flex;gap:25px;align-items:center;justify-content:space-between;padding:28px 30px;background:var(--surface);border:1px solid var(--line);border-radius:8px;margin-bottom:60px}
.start-panel .section-kicker{font-size:9px}
.start-panel h2{font:normal 28px/1.2 var(--serif);letter-spacing:-.6px;margin:6px 0 10px}
.start-panel p{font-size:13px;color:#57534e;max-width:420px;margin:0}
.primary-link{display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:12px 18px;border-radius:5px;background:var(--accent);color:white;font-size:12px;font-weight:600;white-space:nowrap;min-height:44px}
.primary-link:hover{background:#292524;color:white}
.library-header{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:24px}
.library-header h2,.reference-strip h2{font:normal 30px/1.15 var(--serif);letter-spacing:-.7px;margin:0}
.library-header .eyebrow{margin-bottom:10px}
.search{width:285px;flex-shrink:0}
.search label{display:block;font-size:11px;font-weight:600;margin-bottom:6px}
.search input{width:100%;background:#fff;border:1px solid #c9c1b8;border-radius:5px;padding:10px 12px;font-size:13px;color:var(--ink)}
.search input::placeholder{color:#77716b}
.search p{font-size:10px;color:var(--muted);margin:5px 0 0}
.article-group{margin:34px 0}
.article-group h3{display:flex;gap:12px;font-size:13px;font-weight:600;letter-spacing:.1px;padding-bottom:15px;border-bottom:1px solid var(--line)}
.article-group h3>span{font-size:10px;color:var(--accent);font-variant-numeric:tabular-nums;line-height:2.1}
.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.article-card{border:1px solid var(--line);border-radius:6px;background:#fffdf9;transition:border-color 150ms,background-color 150ms}
.article-card:hover{border-color:#a8a29e;background:#fff}
.article-card>a{display:flex;flex-direction:column;height:100%;padding:21px 22px}
.article-card h4{font-size:14px;line-height:1.5;font-weight:600;margin:0 0 9px;display:flex;justify-content:space-between;gap:18px}
.article-card h4 span{color:var(--accent);font-weight:400}
.article-card p{font-size:12px;line-height:1.7;color:var(--muted);margin:0 0 24px}
.read-link{font-size:10px;color:var(--accent);font-weight:600;margin-top:auto}
.read-link span{margin-inline-start:7px}
.no-results{padding:30px;border:1px solid var(--line);border-radius:6px}
.no-results button,.article-tools button{border:1px solid #c9c1b8;border-radius:4px;padding:7px 12px;background:transparent;color:var(--ink)}
.no-results a{text-decoration:underline}
.reference-strip{border-top:1px solid var(--line);margin-top:50px;padding-top:30px;display:flex;align-items:center;gap:30px;justify-content:space-between}
.reference-strip h2{font-size:23px}
.reference-strip p:not(.eyebrow){font-size:12px;color:var(--muted)}
.reference-strip>div:last-child{min-width:180px}
.reference-strip a{display:block;padding:8px 0;color:var(--accent);font-size:11px}
.site-footer{border-top:1px solid var(--line);padding:35px 4vw 25px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:22px;background:#f5f5f4}
.footer-brand{font-size:15px;font-weight:650;letter-spacing:-.3px}
.site-footer p{font-size:11px;color:var(--muted);margin-top:6px}
.site-footer nav{display:flex;gap:24px;flex-wrap:wrap;font-size:11px;align-items:center}
.site-footer nav a{padding-block:8px}
.site-footer .disclosure{flex-basis:100%;max-width:900px;font-size:10px;line-height:1.8;margin:0}
.article-layout{display:grid;grid-template-columns:minmax(0,720px) 180px;gap:48px}
.article-header h1{font:normal clamp(34px,3.8vw,53px)/1.13 var(--serif);letter-spacing:-1.5px;margin:0 0 20px}
.article-header .lede{font-size:16px}
.article-meta{font-size:10px;color:var(--muted);line-height:1.8;margin:24px 0 16px}
.article-meta span{padding-inline:8px}
.article-tools{border-block:1px solid var(--line);display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding-block:14px;font-size:11px;margin-bottom:32px}
.article-tools>a{color:var(--accent)}
.article-tools [data-copy-status]{flex-basis:100%;color:var(--muted)}
.article-tools [data-copy-status]:empty{display:none}
.prose{font-size:15px;line-height:1.85;overflow-wrap:anywhere}
.prose>p:first-child{margin-top:0}
.prose h2{font:normal 29px/1.25 var(--serif);letter-spacing:-.65px;margin:44px 0 17px}
.prose h3{font-size:18px;line-height:1.4;margin:30px 0 12px}
.prose h4,.prose h5,.prose h6{font-size:16px}
.prose p,.prose ul,.prose ol{margin:0 0 20px}
.prose li{padding-inline-start:4px;margin:8px 0}
.prose a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose blockquote{margin:25px 0;padding:17px 22px;background:var(--surface);border-inline-start:3px solid var(--accent);font-size:14px}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{display:block;max-width:100%;height:auto;margin:24px auto;border:1px solid var(--line);border-radius:6px}
.prose code{background:#f5f5f4;padding:2px 5px;border-radius:3px;font-size:.87em;overflow-wrap:anywhere}
.prose pre{background:#f5f5f4;padding:18px;border-radius:6px;overflow:auto}
.prose pre code{padding:0;white-space:pre}
.prose table{display:block;max-width:100%;overflow:auto;border-collapse:collapse;font-size:12px;margin:24px 0}
.prose th,.prose td{padding:12px;border:1px solid var(--line);text-align:start;min-width:130px}
.prose th{background:#f5f5f4;font-weight:600}
.prose .table-scroll{max-width:100%;overflow-x:auto;margin:24px 0;border-radius:8px}
.prose .table-scroll:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.prose .table-scroll table{display:table;overflow:visible;max-width:none;margin:0;width:100%;min-width:600px;font-size:14px}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.prose .heading-link{font:normal 14px var(--sans);text-decoration:none;opacity:.4;margin-inline-start:10px}
.heading-link:hover,.heading-link:focus-visible{opacity:1}
.toc{font-size:11px}
.toc nav{position:sticky;top:32px;border-inline-start:1px solid var(--line);padding-inline-start:20px}
.toc nav>p{font-weight:600;margin:0 0 15px}
.toc ul{padding:0;list-style:none}
.toc li{line-height:1.55;margin:13px 0;color:var(--muted)}
.toc .subheading{padding-inline-start:10px}
.toc-top{display:block;margin:32px 0 0 20px;color:var(--accent)}
.related{margin-top:48px;border-top:1px solid var(--line);padding-top:30px}
.related h2{font:normal 26px var(--serif);margin:0 0 20px}
.related>a{display:flex;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px solid var(--line);font-size:13px}
.related>a span{color:var(--accent)}

@media(min-width:1001px){.contents-menu>summary{display:none}
.contents-menu:not([open])>nav{display:block!important}
}

@media(max-width:1200px){.docs-layout{grid-template-columns:215px minmax(0,1fr);gap:32px}
.article-layout{grid-template-columns:minmax(0,1fr)}
.toc{grid-row:1;margin-bottom:8px}
.toc nav{position:static;padding:15px 20px;background:#f5f5f4;border:0;border-radius:5px}
.toc ul{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0}
.toc li{margin:0}
.toc .subheading{padding:0}
.toc-top{display:none}
.library-header{align-items:flex-start;flex-direction:column}
.search{width:100%;max-width:420px}
}

@media(max-width:1000px){.docs-layout{display:block;padding-inline:6vw}
.site-header{height:72px;padding-inline:6vw;gap:16px}
.header-label{padding-inline-start:16px}
.sidebar{border-inline-end:0;border-bottom:1px solid var(--line);padding:18px 0}
.contents-menu>summary{margin:0;color:var(--ink);font-size:13px;font-weight:600;min-height:26px}
.contents-menu[open]>summary{margin-bottom:20px}
.contents-menu nav{max-height:55vh;overflow:auto;padding-inline:12px}
.sidebar-note{display:none}
main{padding-top:24px}
.breadcrumbs{margin-bottom:36px}
.hub-intro h1{font-size:clamp(40px,6.5vw,64px)}
.site-footer{padding-inline:6vw}
}

@media(max-width:600px){.site-header{gap:12px}
.brand{font-size:15px;gap:8px}
.brand-symbol{font-size:25px}
.header-label{font-size:11px;padding-inline-start:12px}
.back-home{font-size:0}
.back-home span{font-size:20px;margin:0}
.hub-intro h1{font-size:40px;letter-spacing:-1.5px}
.lede{font-size:15px}
.desktop-break{display:none}
.start-panel{padding:24px;display:block;margin-bottom:44px}
.start-panel h2{font-size:26px}
.start-panel .primary-link{margin-top:22px}
.library-header h2{font-size:29px}
.search input{font-size:16px}
.article-grid{grid-template-columns:1fr}
.article-card>a{padding:22px}
.article-card h4{font-size:15px}
.article-card p{font-size:13px;margin-bottom:20px}
.read-link{font-size:11px}
.reference-strip{display:block}
.reference-strip>div:last-child{margin-top:20px}
.reference-strip a{font-size:12px;min-height:40px}
.site-footer nav{gap:8px 20px}
.article-header h1{font-size:37px}
.article-header .lede{font-size:15px}
.article-meta{font-size:11px}
.article-tools{font-size:12px}
.article-tools button{min-height:44px}
.prose{font-size:15px}
.prose h2{font-size:27px}
.toc nav{padding:18px}
.toc ul{display:block}
.toc li{margin-top:10px}
.breadcrumbs{font-size:10px;gap:8px}
.site-footer .disclosure{font-size:11px}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}
}
@media print{.site-header,.sidebar,.toc,.article-tools,.site-footer,.skip-link{display:none}
.docs-layout,.article-layout{display:block;padding:0}
main{padding:0}
.prose a{color:inherit}
.prose table{display:table}
body{background:white}
.breadcrumbs{margin-bottom:20px}
}


.brand-mark{display:block;object-fit:contain}
.toc-menu>summary{font-weight:600;cursor:pointer;min-height:28px}
.toc-menu[open]>summary{margin-bottom:15px}
@media(min-width:1201px){.toc-menu>summary{list-style:none;cursor:default}
.toc-menu:not([open])>ul{display:block!important}
}


.site-header{height:64px;background:#fff;max-width:none}
.brand{min-width:44px;min-height:44px}
.brand-mark{height:32px;width:auto}
.header-label{border:0;padding-inline-start:4px;font-size:14px;color:#44403c}
.hub-intro h1,.article-header h1{font-family:var(--sans);font-weight:700;letter-spacing:-.045em;line-height:1.06}
.hub-intro h1 span{color:var(--ink)}
.start-panel h2,.library-header h2,.reference-strip h2,.related h2,.prose h2{font-family:var(--sans);font-weight:600;letter-spacing:-.025em}
.start-panel{border-radius:16px;border-color:var(--line)}
.primary-link{border-radius:999px;font-size:14px}
.article-card>a{border-radius:12px}
.toc nav{background:#f5f5f4}
.site-footer{background:#f5f5f4}
.prose{font-size:16px}
.article-meta{font-size:12px}
.article-tools{font-size:13px}
.site-footer .disclosure{font-size:12px}
@media(max-width:600px){.site-header{height:64px}
.brand-mark{height:24px}
.article-header h1{font-size:34px}
.hub-intro h1{font-size:38px}
}

.alert-diagnostic{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;margin-bottom:40px;overflow-wrap:anywhere}
.alert-diagnostic h2{font-size:25px;line-height:1.25;letter-spacing:-.025em;margin:0 0 16px}
.alert-diagnostic h3{font-size:21px;line-height:1.35;margin:24px 0 12px}
.alert-diagnostic p{font-size:14px;color:var(--muted)}
.diagnostic-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}
.alert-diagnostic label{display:block;font-size:13px;font-weight:600;line-height:1.5;margin-bottom:8px}
.alert-diagnostic select,.alert-diagnostic textarea{display:block;width:100%;max-width:100%;font:inherit;font-size:14px;color:var(--ink);background:white;border:1px solid #a8a29e;border-radius:6px;padding:11px;min-height:44px}
.alert-diagnostic select:focus-visible,.alert-diagnostic textarea:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.alert-diagnostic textarea{resize:vertical;line-height:1.6;font-size:13px}
.diagnostic-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:20px}
.diagnostic-actions button{min-height:44px;border:1px solid #a8a29e;border-radius:999px;padding:10px 18px;font:inherit;font-size:14px;background:white;color:var(--ink)}
.diagnostic-actions .primary-link{background:var(--ink);color:white;border-color:var(--ink)}
.diagnostic-actions a{font-size:14px;text-decoration:underline;text-underline-offset:3px;min-height:44px;display:inline-flex;align-items:center}
.alert-diagnostic [role=status]:empty{display:none}
.alert-diagnostic [data-diagnostic-result]{border-top:1px solid #d6d3d1;margin-top:24px;padding-top:4px}
.alert-diagnostic li{font-size:14px;line-height:1.8;margin:12px 0}
.alert-diagnostic ol{padding-inline-start:22px}
@media(max-width:600px){.alert-diagnostic{padding:20px}.diagnostic-fields{grid-template-columns:1fr;gap:18px}.alert-diagnostic select,.alert-diagnostic textarea{font-size:16px}}

.scalping-cost{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;margin:24px 0;overflow-wrap:anywhere}
.scalping-cost h3{margin-top:0}
.scalping-cost p{font-size:14px;color:var(--muted)}
.scalping-cost label{display:block;font-size:14px;font-weight:600;line-height:1.5;margin-bottom:8px}
.scalping-cost input{display:block;box-sizing:border-box;width:100%;min-width:0;min-height:44px;padding:11px;font:inherit;font-size:16px;color:var(--ink);background:white;border:1px solid #a8a29e;border-radius:6px}
.scalping-cost input:focus-visible,.scalping-cost button:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.scalping-cost input[aria-invalid=true]{border-color:#b91c1c}
.scalping-cost [data-cost-error]{color:#991b1b}
.scalping-cost [data-cost-result]:empty{display:none}
.scalping-cost [data-cost-result]{border-top:1px solid var(--line);margin-top:24px;padding-top:16px}
.scalping-cost dl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px 20px;font-size:14px}
.scalping-cost dt{font-weight:600}
.scalping-cost dd{margin:0;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
@media(max-width:600px){.scalping-cost{padding:18px}.scalping-cost dl{grid-template-columns:1fr;gap:4px}.scalping-cost dd{margin-bottom:12px}}