/* Role Key — Docs + Legal. Shares tokens/nav/footer with the homepage. */
:root{--bg:#151517;--p:#1C1C1F;--p2:#202024;--line:#2A2A2F;--line2:#3A3A40;--tx:#F3F3F5;--mut:#9898A0;--body:#C9C9CF;--a:#FF5B1F;--lt:#E8E8EB;--ink:#151517;--nav:64px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px;scrollbar-width:thin;scrollbar-color:#FF5B1F #1C1C1F}
html::-webkit-scrollbar{width:8px;height:8px}html::-webkit-scrollbar-track{background:#1C1C1F}html::-webkit-scrollbar-thumb{background:#FF5B1F;border-radius:0}html::-webkit-scrollbar-thumb:hover{background:#FF7A47}html::-webkit-scrollbar-corner{background:#1C1C1F}
body{background:var(--bg);color:var(--tx);font-family:"Inter",sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}.w{max-width:1280px;margin:0 auto;padding:0 40px}
h1,h2,h3,h4{font-family:"Funnel Display",sans-serif;font-weight:600;letter-spacing:-.035em;line-height:1}
.o{color:var(--a)}.mut{color:var(--mut)}
code,kbd,.mono{font-family:"JetBrains Mono",monospace}
::selection{background:var(--a);color:#160700}
:focus-visible{outline:2px solid var(--a);outline-offset:2px}

/* Nav (homepage markup) */
.nav{position:sticky;top:0;z-index:40;background:rgba(21,21,23,.96);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:48px;height:var(--nav)}
.brand{display:flex;align-items:center;gap:10px;font-family:"Funnel Display";font-weight:600;font-size:19px;letter-spacing:-.03em}
.nav nav{display:flex;gap:28px;font-size:14.5px;color:var(--mut)}
.nav-r{margin-left:auto;display:flex;gap:20px;align-items:center;font-size:14.5px}.lnk{color:var(--mut)}
.nav nav a:hover,.lnk:hover,.fc a:hover{color:var(--tx)}
.lnk.on{color:var(--tx);box-shadow:inset 0 -2px 0 var(--a);padding:6px 0}
.btn{display:inline-flex;align-items:center;gap:9px;height:48px;padding:0 22px;border-radius:6px;font-weight:600;font-size:15px;border:1px solid transparent;white-space:nowrap;transition:background-color .18s,border-color .18s,color .18s,transform .16s}
.btn.sm{height:36px;padding:0 14px;font-size:14px}.btn.pri{background:var(--a);color:#160700}.btn.ghost{border-color:var(--line2)}.btn.ghost:hover{border-color:var(--mut)}
.btn:active{transform:scale(.97)}
.nav-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none}
.nav-progress i{display:block;height:100%;background:var(--a);transform:scaleX(0);transform-origin:left center}

/* Page head */
.ph{border-bottom:1px solid var(--line);padding:72px 0 56px}
.ph-meta{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-family:"JetBrains Mono";font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut)}
.ph-meta div{padding:12px 0}.ph-meta div+div{padding-left:20px;border-left:1px solid var(--line)}.ph-meta b{color:var(--tx);font-weight:500;margin-left:8px}
.ph h1{font-size:112px;letter-spacing:-.05em;line-height:.92;margin:64px 0 28px}
.ph .lead{font-size:19px;line-height:1.5;color:var(--body);max-width:640px}
.ph-row{display:flex;justify-content:space-between;align-items:end;gap:40px}
.ph-row .cta{display:flex;gap:10px;flex:none}

/* Docs shell */
.shell{display:grid;grid-template-columns:248px minmax(0,1fr);gap:72px;align-items:start}
.toc{position:sticky;top:calc(var(--nav) + 32px);padding:48px 0 40px;max-height:calc(100vh - var(--nav) - 32px);overflow:auto;scrollbar-width:none}
.toc::-webkit-scrollbar{display:none}
.toc-h{font-family:"JetBrains Mono";font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);padding-bottom:12px;border-bottom:1px solid var(--line2);display:flex;justify-content:space-between}
.toc-h b{color:var(--a);font-weight:500}
.toc ol{list-style:none;border-left:1px solid var(--line);margin-top:14px}
.toc ol a{display:grid;grid-template-columns:34px 1fr;gap:0;padding:7px 0 7px 16px;margin-left:-1px;border-left:2px solid transparent;font-size:14px;color:var(--mut);line-height:1.35;transition:color .18s,border-color .18s}
.toc ol a code{font-size:11.5px;color:#6A6A72;padding-top:1px;transition:color .18s}
.toc ol a:hover{color:var(--tx)}
.toc ol a.on{color:var(--tx);border-left-color:var(--a)}.toc ol a.on code{color:var(--a)}
.toc-foot{margin-top:28px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:var(--mut)}
.toc-foot a:hover{color:var(--tx)}

.doc{min-width:0;padding-bottom:40px}
.ds{padding:72px 0 64px;border-bottom:1px solid var(--line)}
.ds:last-child{border-bottom:0}
.ds-h{display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:start;margin-bottom:36px}
.ds-n{font-family:"Funnel Display";font-weight:600;font-size:96px;letter-spacing:-.06em;line-height:.82;color:var(--a)}
.ds-h .k{font-family:"JetBrains Mono";font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);display:block;margin-bottom:12px}
.ds-h h2{font-size:52px;letter-spacing:-.04em;line-height:.98}
.prose{max-width:760px;margin-left:174px}
.prose>p,.prose li{color:var(--body);font-size:17px;line-height:1.65}
.prose>p+p{margin-top:16px}
.prose strong{color:var(--tx);font-weight:600}
.prose a{color:var(--tx);text-decoration:underline;text-decoration-color:var(--a);text-underline-offset:3px;text-decoration-thickness:1px}
.prose code.i{font-size:14px;background:var(--p);border:1px solid var(--line);padding:1px 6px;border-radius:3px;color:var(--tx)}
.prose h3{font-size:28px;margin:48px 0 14px;letter-spacing:-.03em}
.prose ul.dash{list-style:none;margin:18px 0;border-top:1px solid var(--line)}
.prose ul.dash li{padding:12px 0 12px 28px;border-bottom:1px solid var(--line);position:relative;font-size:16px}
.prose ul.dash li:before{content:"";position:absolute;left:4px;top:23px;width:10px;height:2px;background:var(--a)}

/* Video slot */
.vid{margin:44px 0 0;max-width:none}
.vid-f{position:relative;aspect-ratio:16/9;background:var(--p);border:1px solid var(--line2);border-radius:8px;overflow:hidden}
.vid-ph{position:absolute;inset:0;display:grid;place-items:center;background:var(--p)}
.vid-ph:before,.vid-ph:after{content:"";position:absolute;width:18px;height:18px;border-color:var(--line2);border-style:solid}
.vid-ph:before{right:14px;top:14px;border-width:1px 1px 0 0}.vid-ph:after{left:14px;bottom:14px;border-width:0 0 1px 1px}
.vid-ph-in{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.vid-play{width:72px;height:72px;border-radius:50%;border:1.5px solid var(--a);display:grid;place-items:center}
.vid-ph p{font-family:"JetBrains Mono";font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut)}
.vid-tag{position:absolute;top:14px;left:14px;font-family:"JetBrains Mono";font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);border:1px solid var(--line2);background:var(--bg);padding:4px 8px;border-radius:3px;z-index:2}
.vid-f video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:transparent;opacity:0;visibility:hidden;transition:opacity .3s}
.vid.is-ready video{opacity:1;visibility:visible;background:#000}
.vid.is-ready .vid-ph,.vid.is-ready .vid-tag{display:none}
.vid figcaption{display:flex;justify-content:space-between;gap:16px;padding:14px 2px 0;font-family:"JetBrains Mono";font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut)}
.vid figcaption b{color:var(--a);font-weight:500}

/* Panels / code */
.panel{background:var(--p);border:1px solid var(--line);border-radius:6px;margin:22px 0;overflow:hidden}
.panel-h{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line);font-family:"JetBrains Mono";font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut)}
.panel-h b{color:var(--a);font-weight:500}
.copy{background:transparent;border:1px solid var(--line2);color:var(--mut);font:500 11px "JetBrains Mono";letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:3px;cursor:pointer}
.copy:hover{color:var(--tx);border-color:var(--mut)}
.panel pre{margin:0;padding:18px 20px;font-family:"JetBrains Mono";font-size:13.5px;line-height:1.75;color:#DCDCE0;overflow-x:auto;white-space:pre}
.panel pre .c{color:#6A6A72}.panel pre .k{color:var(--a)}.panel pre .s{color:#F3F3F5}

/* Quick start */
.qs{list-style:none;border-top:1px solid var(--line2);margin-top:8px;counter-reset:q}
.qs li{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.qs li>code{font-size:12.5px;color:var(--a);padding-top:5px}
.qs h4{font-size:22px;letter-spacing:-.025em;margin-bottom:6px}
.qs p{color:var(--mut);font-size:15.5px;line-height:1.6}

/* Step diagrams */
.flow{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:6px;margin:22px 0 8px;background:var(--p);overflow:hidden}
.flow.f3{grid-template-columns:repeat(3,1fr)}
.flow>div{padding:18px 18px 20px;position:relative;min-width:0}
.flow>div+div{border-left:1px solid var(--line)}
.flow>div+div:before{content:"";position:absolute;left:-5px;top:24px;width:8px;height:8px;background:var(--a);transform:rotate(45deg)}
.flow code{font-size:11px;color:var(--a);letter-spacing:.06em;display:block;margin-bottom:12px}
.flow b{display:block;font-family:"Funnel Display";font-weight:600;font-size:17px;letter-spacing:-.02em;margin-bottom:6px}
.flow span{font-size:13.5px;color:var(--mut);line-height:1.5;display:block}
.method{border-top:1px solid var(--line2);padding-top:28px;margin-top:40px}
.method:first-of-type{margin-top:12px}
.method-h{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap}
.method-h h3{margin:0;font-size:34px}
.method-h dl{display:flex;gap:28px}
.method-h dt{font-family:"JetBrains Mono";font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut)}
.method-h dd{font-size:14.5px;margin-top:2px}
.method>p{color:var(--body);font-size:17px;line-height:1.65;margin-top:14px}

/* Callout */
.note{display:grid;grid-template-columns:96px 1fr;gap:16px;border-left:2px solid var(--a);background:var(--p);padding:16px 20px;margin:24px 0;border-radius:0 6px 6px 0}
.note code{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--a);padding-top:3px}
.note p{color:var(--body);font-size:15.5px;line-height:1.6}

/* Tables */
.tbl{width:100%;border-collapse:collapse;margin:22px 0;font-size:15.5px}
.tbl th{font-family:"JetBrains Mono";font-weight:500;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);text-align:left;padding:12px 12px 12px 0;border-bottom:1px solid var(--line2)}
.tbl td{padding:15px 12px 15px 0;border-bottom:1px solid var(--line);color:var(--body);vertical-align:middle}
.tbl td:first-child{color:var(--tx);font-family:"Funnel Display";font-size:18px;letter-spacing:-.02em}
.tbl .cn{display:flex;align-items:center;gap:12px}
.tbl .yes{color:var(--a);font-family:"JetBrains Mono";font-size:13px}
.lg{width:26px;height:26px;border-radius:6px;display:grid;place-items:center;flex:none;overflow:hidden}
.lg img{display:block;width:16px;height:16px;object-fit:contain}.lg.eth{background:#F3F3F5}.lg.blk{background:#000;box-shadow:inset 0 0 0 1px var(--line2)}.lg.full img{width:26px;height:26px}
.tbl-wrap{overflow-x:auto}

/* Rule example */
.rules{border:1px solid var(--line);border-radius:6px;margin:22px 0;overflow:hidden}
.rules>div{display:grid;grid-template-columns:150px 1fr 140px;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line);font-size:15px;align-items:center}
.rules>div:last-child{border-bottom:0}
.rules .hd{font-family:"JetBrains Mono";font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);background:var(--p)}
.rules .r{font-weight:500;color:var(--tx)}.rules .r i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--a);margin-right:10px}
.rules .t{color:var(--body)}.rules code{font-size:13px;color:var(--a);text-align:right}

/* Role order diagram */
.order{border:1px solid var(--line);border-radius:6px;background:var(--p);margin:22px 0;max-width:460px}
.order>div{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);font-size:15px}
.order>div:last-child{border-bottom:0}
.order .me{color:#160700;background:var(--a);font-weight:600}
.order code{font-size:11px;letter-spacing:.06em;text-transform:uppercase;opacity:.75}
.order .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:10px;vertical-align:0}

/* FAQ + troubleshooting */
.qa{border-top:1px solid var(--line2);margin-top:8px}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;display:grid;grid-template-columns:56px 1fr 24px;gap:8px;padding:20px 0;cursor:pointer;align-items:baseline}
.qa summary::-webkit-details-marker{display:none}
.qa summary code{font-size:12.5px;color:var(--a)}
.qa summary h4{font-size:20px;letter-spacing:-.025em;line-height:1.25}
.qa summary:after{content:"+";font-family:"JetBrains Mono";color:var(--mut);font-size:18px;text-align:right;transition:transform .2s}
.qa details[open] summary:after{content:"–";color:var(--a)}
.qa .ans{padding:0 0 22px 64px;color:var(--body);font-size:16px;line-height:1.65;max-width:720px}
.qa .ans p+p,.qa .ans ol{margin-top:10px}
.qa .ans ol{padding-left:18px}.qa .ans li{margin:4px 0}
.qa .ans li::marker{color:var(--a);font-family:"JetBrains Mono";font-size:13px}
.trb .sym{display:inline-block;font-family:"JetBrains Mono";font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);border:1px solid var(--line2);padding:2px 7px;border-radius:3px;margin-bottom:10px}

/* Legal */
.draft{background:var(--a);color:#160700;font-family:"JetBrains Mono";font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.draft .w{display:flex;gap:16px;align-items:center;min-height:36px;padding-top:6px;padding-bottom:6px}
.draft span{opacity:.75;font-weight:500;text-transform:none;letter-spacing:.01em;font-family:"Inter";font-size:13px}
.legal .ds{padding:44px 0 40px}
.legal .ds-h{grid-template-columns:72px 1fr;margin-bottom:18px;align-items:baseline}
.legal .ds-n{font-size:44px;line-height:1}
.legal .ds-h h2{font-size:32px;letter-spacing:-.03em}
.legal .prose{margin-left:96px;max-width:720px}
.legal .prose>p,.legal .prose li{font-size:16px}
.legal .prose ol.cl{list-style:none;margin-top:14px;border-top:1px solid var(--line)}
.legal .prose ol.cl li{display:grid;grid-template-columns:56px 1fr;padding:12px 0;border-bottom:1px solid var(--line)}
.legal .prose ol.cl li>code{font-size:12px;color:var(--a);padding-top:3px}
.ph-legal h1{font-size:96px}
.ph-legal .tabs{display:flex;gap:8px;margin-top:36px}
.ph-legal .tabs a{font-family:"JetBrains Mono";font-size:12px;text-transform:uppercase;letter-spacing:.06em;height:34px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid var(--line2);border-radius:4px;color:var(--mut)}
.ph-legal .tabs a.on{background:var(--tx);color:var(--ink);border-color:var(--tx)}
.ph-legal .tabs a:not(.on):hover{color:var(--tx)}
.ph-row .upd{font-family:"JetBrains Mono";font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);border:1px solid var(--line);padding:10px 14px;border-radius:4px;flex:none}
.ph-row .upd b{color:var(--a);font-weight:500}
.ph-legal .ph-meta{margin-top:0}
.ph{padding-top:56px}
.ph-meta + h1{margin-top:56px}
.toc.mini ol a{font-size:13.5px;padding:6px 0 6px 14px}
mark.ph-t{background:rgba(255,91,31,.14);color:var(--a);font-family:"JetBrains Mono";font-size:.88em;padding:0 4px;border-radius:2px}

/* Footer */
.ft{padding:56px 0 28px;border-top:1px solid var(--line)}
.fg{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px}
.fc{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--mut)}
.fc a.on{color:var(--tx)}
.fb{display:flex;justify-content:space-between;margin-top:64px;padding-top:20px;border-top:1px solid var(--line);color:var(--mut)}
.fb code{font-size:11.5px;letter-spacing:.06em}

/* Mobile TOC button */
.toc-m{display:none}

@media (max-width:1100px){
 .shell{grid-template-columns:210px minmax(0,1fr);gap:48px}
 .prose{margin-left:0}.ds-h{grid-template-columns:120px 1fr}.ds-n{font-size:80px}
 .legal .prose{margin-left:0}
 .ph h1{font-size:88px}
}
@media (max-width:860px){
 .w{padding:0 20px}
 .nav nav,.lnk:not(.on){display:none}.nav-in{gap:20px}
 .ph{padding:36px 0 40px}.ph-meta{grid-template-columns:1fr}.ph-meta div+div{padding-left:0;border-left:0;border-top:1px solid var(--line)}
 .ph h1,.ph-legal h1{font-size:54px;margin:40px 0 20px}.ph .lead{font-size:17px}
 .ph-row{display:block}.ph-row .cta{margin-top:24px;flex-direction:column}.ph-row .cta .btn{justify-content:center}.ph-row .upd{display:inline-block;margin-top:20px}
 .shell{display:block}
 .toc{position:static;max-height:none;padding:0;overflow:visible}
 .toc-m{display:flex;justify-content:space-between;align-items:center;width:100%;height:48px;background:var(--p);border:1px solid var(--line2);border-radius:6px;padding:0 14px;margin:24px 0 0;color:var(--tx);font:500 12px "JetBrains Mono";text-transform:uppercase;letter-spacing:.06em;cursor:pointer}
 .toc-m b{color:var(--a);font-weight:500}
 .toc-m:after{content:"+";color:var(--mut);font-size:16px}
 .toc.open .toc-m:after{content:"–"}
 .toc .toc-h,.toc ol,.toc .toc-foot{display:none}
 .toc.open ol{display:block;margin:0;border:1px solid var(--line);border-top:0;border-radius:0 0 6px 6px;background:var(--p)}
 .toc.open .toc-m{border-radius:6px 6px 0 0}
 .toc-sticky{position:sticky;top:var(--nav);z-index:30;background:var(--bg);padding-bottom:4px}
 .ds{padding:52px 0 44px}
 .ds-h{grid-template-columns:1fr;gap:14px;margin-bottom:24px}.ds-n{font-size:64px}.ds-h h2{font-size:36px}
 .prose>p,.prose li,.method>p{font-size:16px}
 .flow,.flow.f3{grid-template-columns:1fr}
 .flow>div+div{border-left:0;border-top:1px solid var(--line)}
 .flow>div+div:before{left:22px;top:-5px}
 .method-h dl{gap:20px;flex-wrap:wrap}.method-h h3{font-size:28px}
 .rules>div{grid-template-columns:1fr auto;row-gap:2px}.rules .t{grid-column:1;grid-row:2;font-size:14px}.rules code{grid-column:2;grid-row:1/3}
 .rules .hd .t{display:none}
 .note{grid-template-columns:1fr;gap:6px}
 .qa summary{grid-template-columns:44px 1fr 20px}.qa summary h4{font-size:18px}.qa .ans{padding-left:0}
 .qs li{grid-template-columns:44px 1fr;gap:12px}
 .vid figcaption{flex-direction:column;gap:4px}
 .legal .ds-h{grid-template-columns:52px 1fr;gap:8px}.legal .ds-n{font-size:34px}.legal .ds-h h2{font-size:26px}
 .legal .prose ol.cl li{grid-template-columns:44px 1fr}
 .draft .w{flex-direction:column;align-items:flex-start;gap:2px}
 .fg{grid-template-columns:1fr 1fr;gap:28px}.fg>div:first-child{grid-column:1/-1}.fb{flex-direction:column;gap:6px}
 .tbl{font-size:14px}.tbl td:first-child{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*:before,*:after{transition:none!important;animation:none!important}
 .btn:active{transform:none}
}
.draft[hidden]{display:none}