/* OrbiPoker docs — Orb family dark identity, one page with a sidebar. Tokens on :root. */
:root{
  --bg:#101310;--surface:#191d18;--surface-2:#1f251d;--line:#30362d;--line-soft:#ffffff12;
  --text:#f4f3e9;--muted:#a1a69c;--dim:#6f7569;--lime:#d3fa86;--amber:#e9c46a;--red:#ff8a7a;--blue:#9cc8ff;
  --serif:'Instrument Serif',Georgia,serif;--sans:'Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;--mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --header:64px;--sidebar:260px;color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 20px);-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--lime);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,p,dl,dd,ul,ol,figure{margin:0}
code{font-family:var(--mono);font-size:.86em;background:var(--surface-2);border:1px solid var(--line-soft);border-radius:4px;padding:1px 5px;overflow-wrap:anywhere}
pre code{background:none;border:0;padding:0;font-size:inherit;overflow-wrap:normal}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:3px}
::selection{background:var(--lime);color:var(--bg)}
em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--lime)}
.muted{color:var(--muted)}
.skip-link{position:fixed;z-index:100;top:10px;left:10px;padding:12px 16px;background:var(--lime);color:var(--bg);border-radius:6px;transform:translateY(-160%)}
.skip-link:focus{transform:none}

/* Header */
.docs-header{position:sticky;top:0;z-index:40;height:var(--header);padding:0 24px;display:flex;align-items:center;gap:18px;background:#101310ee;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.wordmark{display:inline-flex;align-items:center;gap:8px;font-size:21px;font-weight:650;letter-spacing:-1px;white-space:nowrap;color:var(--text)}
.wordmark:hover{text-decoration:none}
.wordmark svg{width:30px;height:30px;flex-shrink:0}
.wm-edge{fill:none;stroke:var(--lime);stroke-width:2.4;stroke-dasharray:4.2 3.2}
.wm-core{fill:var(--lime)}
.wm-orbit{fill:none;stroke:var(--lime);stroke-width:1;opacity:.55}
.wm-sat{fill:var(--bg);stroke:var(--lime);stroke-width:1.6}
.wordmark-light{font-weight:400;color:#dfe2d6}
.docs-badge{font:500 11px/1 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 9px}
.header-links{margin-left:auto;display:flex;gap:20px;font-size:13px}
.header-links a{color:var(--muted)}
.header-links a:hover{color:var(--text);text-decoration:none}
.lang-switch{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px}
.lang-switch button{font-size:11px;font-weight:600;letter-spacing:.06em;padding:5px 9px;border-radius:999px;color:var(--muted)}
.lang-switch button[aria-pressed=true]{background:var(--lime);color:var(--bg)}
.toc-button{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:8px;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.toc-button span{display:block;width:16px;height:1.5px;background:var(--text);transition:transform .2s,opacity .2s}
.toc-button[aria-expanded=true] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.toc-button[aria-expanded=true] span:nth-child(2){opacity:0}
.toc-button[aria-expanded=true] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* Layout */
.docs-layout{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);max-width:1440px;margin:0 auto}
.docs-sidebar{position:sticky;top:var(--header);align-self:start;height:calc(100vh - var(--header));overflow-y:auto;padding:28px 18px 40px 24px;border-right:1px solid var(--line-soft);scrollbar-width:thin}
.docs-sidebar nav{display:flex;flex-direction:column;gap:1px}
.toc-group{font:500 10.5px/1 var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--dim);margin:22px 0 8px 10px}
.toc-group:first-child{margin-top:0}
.docs-sidebar a{color:var(--muted);font-size:13.5px;padding:6px 10px;border-radius:6px;border-left:2px solid transparent}
.docs-sidebar a:hover{color:var(--text);background:var(--surface);text-decoration:none}
.docs-sidebar a[aria-current=true]{color:var(--lime);background:var(--surface);border-left-color:var(--lime)}
.docs-main{padding:48px clamp(16px,5vw,72px) 80px;max-width:1040px;min-width:0}

/* Sections */
.doc-section{padding:44px 0;border-bottom:1px solid var(--line-soft)}
.doc-section:first-child{padding-top:0}
.kicker{font:500 11px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--lime);margin-bottom:18px}
h1{font:400 clamp(36px,5vw,58px)/1.02 var(--serif);letter-spacing:-.02em;max-width:820px;margin-bottom:22px}
h1 em{display:block}
h2{font:400 clamp(30px,3.6vw,40px)/1.1 var(--serif);letter-spacing:-.01em;margin-bottom:16px}
h3{font-size:16px;font-weight:600;margin:32px 0 12px;letter-spacing:-.01em}
.doc-section p{margin:0 0 14px;max-width:760px}
.doc-section p.lead,.lead{font-size:17px;color:#d9dacd;max-width:780px;margin-bottom:22px}
.callout{border:1px solid var(--line);border-left:3px solid var(--lime);background:var(--surface);border-radius:8px;padding:14px 18px;margin:18px 0;max-width:820px}
.callout.warn{border-left-color:var(--amber)}
.callout b{color:var(--text)}
.bullets{padding-left:20px;margin:0 0 16px;max-width:820px}
.bullets li{margin:0 0 9px;padding-left:4px}
.bullets li::marker{color:var(--lime)}
.facts{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px}
.facts li{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 18px;font-size:14px;color:var(--muted)}
.facts b{display:block;color:var(--text);margin-bottom:4px;font-size:15px}
.steps{counter-reset:s;list-style:none;padding:0;margin:8px 0 22px;max-width:820px}
.steps>li{counter-increment:s;position:relative;padding:0 0 14px 46px}
.steps>li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:1px;font:500 12px/1 var(--mono);color:var(--bg);background:var(--lime);border-radius:999px;width:30px;height:22px;display:grid;place-items:center}
.steps>li b{color:var(--text)}
.steps.compact>li{padding-bottom:10px}
.checklist{list-style:none;padding:0;max-width:820px}
.checklist li{position:relative;padding:10px 0 10px 34px;border-bottom:1px solid var(--line-soft)}
.checklist li::before{content:'';position:absolute;left:2px;top:13px;width:16px;height:16px;border:1.5px solid var(--lime);border-radius:4px}
.changelog dt{font:500 13px/1.4 var(--mono);color:var(--lime);margin-bottom:6px}
.changelog dd{margin:0 0 18px;max-width:820px}
.req{font:500 10px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--amber);margin-left:4px;white-space:nowrap}

/* Code */
.code{position:relative;background:#0b0d0b;border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin:14px 0 20px;overflow-x:auto;font:13px/1.6 var(--mono);color:#e2e4d8;tab-size:2}
.code .copy{position:absolute;top:8px;right:8px;font:500 11px/1 var(--sans);color:var(--muted);border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:6px 9px;opacity:0;transition:opacity .15s}
.code:hover .copy,.code .copy:focus-visible{opacity:1}
.code .copy.done{color:var(--lime);border-color:var(--lime)}
.c-c{color:#7d8476}.c-k{color:var(--lime)}.c-s{color:#f2d58f}.c-n{color:var(--blue)}

/* Tabs */
.tabs{margin:12px 0 20px}
.tab-list{display:flex;gap:4px;border-bottom:1px solid var(--line)}
.tab-list button{padding:9px 14px;font-size:13px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.tab-list button[aria-selected=true]{color:var(--lime);border-bottom-color:var(--lime)}
.tabs .code{margin-top:0;border-top-left-radius:0;border-top-right-radius:0;border-top:0}

/* Tables */
.table-wrap{overflow-x:auto;margin:12px 0 22px;border:1px solid var(--line);border-radius:10px;-webkit-overflow-scrolling:touch}
.doc-table{width:100%;border-collapse:collapse;font-size:13.5px;line-height:1.5}
.doc-table th{text-align:left;font:600 11px/1.3 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);background:var(--surface);padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.doc-table td{padding:10px 14px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.doc-table tr:last-child td{border-bottom:0}
.doc-table td:first-child{white-space:nowrap}
.doc-table tr.group td{font:600 11px/1 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--lime);background:#141813;padding:9px 14px;white-space:normal}
.doc-table.num td:not(:first-child){font-variant-numeric:tabular-nums}
.cfg-table td:first-child,.cfg-table td:nth-child(2){white-space:normal;min-width:150px}
.cfg-table td:nth-child(3){min-width:110px}
.doc-table td.loading,.doc-table td.error{color:var(--muted);text-align:center;padding:22px}
.doc-table td.error{color:var(--red)}
.api-table td:nth-child(2){font-family:var(--mono);font-size:12.5px;white-space:nowrap}
.api-table tr.api-group td{font:600 11px/1 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--lime);background:#141813}
.method{display:inline-block;min-width:58px;text-align:center;font:600 11px/1 var(--mono);padding:5px 6px;border-radius:5px;border:1px solid currentColor}
.m-get{color:var(--blue)}.m-post{color:var(--lime)}.m-patch{color:var(--amber)}.m-put{color:var(--amber)}.m-delete{color:var(--red)}

/* Diagram */
.diagram{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;margin:14px 0 8px;overflow-x:auto}
.diagram svg{display:block;width:100%;min-width:620px;height:auto;font-family:var(--sans)}
.d-zone{fill:#141813;stroke:var(--line);stroke-dasharray:5 5}
.d-zone-orb{fill:#161d12;stroke:#4c5c35}
.d-zone-label{font:600 11px var(--mono);letter-spacing:.14em;fill:var(--muted)}
.d-box{fill:var(--surface-2);stroke:var(--line)}
.d-box-orb{stroke:#5d7340}
.d-title{font-size:15px;font-weight:600;fill:var(--text)}
.d-sub{font:12px var(--mono);fill:var(--muted)}
.d-line{stroke:#8b927f;stroke-width:1.5;fill:none}
.d-dash{stroke-dasharray:5 4}
.d-lime-line{stroke:var(--lime);stroke-width:2}
.d-arrowhead{fill:#8b927f}
.d-step{font:11px var(--mono);fill:#c5c8ba}
.d-lime{fill:var(--lime)}

/* Provably fair tool */
.pf-tool{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;margin-top:22px;max-width:820px}
.pf-tool h3{margin-top:0}
.pf-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.pf-grid label{display:flex;flex-direction:column;gap:6px;font:500 12px var(--mono);color:var(--muted)}
.pf-grid label:first-child{grid-column:1/-1}
.pf-grid input:not([type=checkbox]){font:13px var(--mono);color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:10px 12px;width:100%}
.pf-grid input:focus{border-color:var(--lime);outline:none}
.pf-grid .pf-check{flex-direction:row;align-items:center;gap:8px;color:var(--text)}
.pf-check input{accent-color:var(--lime);width:16px;height:16px}
.button{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:6px;font-size:14px;font-weight:600;background:var(--lime);color:var(--bg)}
.button:hover{background:#e3ffad}
.button:disabled{opacity:.6;cursor:wait}
.pf-out{display:block;margin-top:14px;font:12.5px/1.6 var(--mono);color:var(--muted);overflow-wrap:anywhere}
.pf-out .ok{color:var(--lime)}.pf-out .bad{color:var(--red)}
.pf-out .cards{display:block;color:var(--text);margin-top:6px}

.docs-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:32px;font-size:12.5px;color:var(--dim)}

/* Responsive */
@media (max-width:1020px){
  .header-links{display:none}
  .lang-switch{margin-left:auto}
  .toc-button{display:inline-flex}
  .docs-layout{display:block}
  .docs-sidebar{position:fixed;z-index:35;top:var(--header);left:0;width:min(300px,86vw);height:calc(100dvh - var(--header));background:var(--bg);border-right:1px solid var(--line);transform:translateX(-102%);transition:transform .22s ease;visibility:hidden}
  .docs-sidebar.open{transform:none;visibility:visible}
  body.toc-open::after{content:'';position:fixed;inset:var(--header) 0 0;background:#0009;z-index:30}
  .docs-main{padding-top:32px}
}
@media (max-width:640px){
  .docs-header{padding:0 16px;gap:10px}
  .docs-badge{display:none}
  .wordmark{font-size:19px}.wordmark svg{width:26px;height:26px}
  .docs-main{padding:28px 16px 64px}
  .facts{grid-template-columns:1fr}
  .pf-grid{grid-template-columns:1fr}
  .code{font-size:12px;padding:14px 14px;margin-left:-4px;margin-right:-4px}
  .doc-section{padding:34px 0}
  .doc-table{font-size:13px}
  .doc-table td,.doc-table th{padding:9px 11px}
  .doc-table td:first-child{white-space:normal}
  .steps>li{padding-left:40px}
}
@media (max-width:380px){.lang-switch button{padding:5px 7px}}