/* VirtuaBroker API Docs — shared design system (aligned to Payments + virtuabroker.com). */
:root{
  --brand:#3B82F6; --brand-600:#2563EB; --brand-700:#1D4ED8; --brand-800:#1E40AF;
  --brand-50:#EFF6FF; --brand-100:#DBEAFE; --cyan:#1CAFFF;
  --ink:#111827; --ink-2:#374151; --muted:#6B7280; --muted-2:#64748B;
  --page:#FFFFFF; --panel:#F9FAFB; --card:#FFFFFF; --line:#E5E7EB; --line-2:#F3F4F6;
  --code-bg:#111827; --code-bg-2:#0B1220; --code-line:#293548; --code-text:#E5E9F0; --code-dim:#8592A6;
  --ok:#10B981; --ok-bg:#D1FAE5; --warn:#B45309; --warn-bg:#FEF3C7; --err:#DC2626; --err-bg:#FEE2E2;
  --violet:#6366F1; --violet-bg:#E0E7FF; --amber:#B45309; --amber-bg:#FEF3C7; --teal:#0891B2; --teal-bg:#CFFAFE;
  --radius:10px; --radius-lg:14px; --radius-sm:7px;
  --shadow-card:0 1px 3px rgba(17,24,39,.06),0 1px 2px rgba(17,24,39,.04);
  --shadow-pop:0 10px 34px rgba(17,24,39,.12);
  --sans:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'SF Mono',ui-monospace,'JetBrains Mono',Menlo,Consolas,monospace;
  --top:60px; --side:270px; --rail:260px;
}
[data-theme="dark"]{
  --ink:#F3F5F9; --ink-2:#C7CFDB; --muted:#9AA6B6; --muted-2:#8B95A8;
  --page:#0B1220; --panel:#111827; --card:#141C2B; --line:#243044; --line-2:#1B2536;
  --brand-50:#132038; --brand-100:#17335C;
  --shadow-card:0 1px 3px rgba(0,0,0,.4); --shadow-pop:0 10px 34px rgba(0,0,0,.5);
  --ok-bg:#0C2A22; --warn-bg:#2A2410; --err-bg:#2B1417; --violet-bg:#1B1E3A; --amber-bg:#2A2410; --teal-bg:#08222B;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .dx-side{transition:none}
  a.tile:hover{transform:none}
  .btn,.tile,a.tile{transition:none}
}
body{margin:0;background:var(--page);color:var(--ink-2);font-family:var(--sans);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--brand-700);text-decoration:none}[data-theme="dark"] a{color:#7Fb0ff}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.02em;font-weight:700;text-wrap:balance}
code{font-family:var(--mono);font-size:.85em}
p code,li code,td code{background:var(--brand-50);color:var(--brand-800);padding:1px 6px;border-radius:5px;border:1px solid var(--brand-100)}
[data-theme="dark"] p code,[data-theme="dark"] li code,[data-theme="dark"] td code{color:#9Cc4ff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.hidden{display:none!important}

/* ---------- Topbar ---------- */
.dx-top{position:sticky;top:0;z-index:40;height:var(--top);display:flex;align-items:center;gap:22px;padding:0 22px;background:color-mix(in srgb,var(--page) 86%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.dx-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:17px;letter-spacing:-.01em}
.dx-brand svg{width:27px;height:27px}
.dx-brand .lo{color:var(--ink)} .dx-brand .hi{color:var(--cyan)}
.dx-brand .docs{font-size:11px;font-weight:700;letter-spacing:.03em;color:var(--muted);background:var(--panel);border:1px solid var(--line);padding:2px 8px;border-radius:6px}
.dx-nav{display:flex;gap:2px}
.dx-nav a{color:var(--muted);font-weight:600;font-size:14px;padding:7px 12px;border-radius:8px;display:flex;align-items:center;gap:7px}
.dx-nav a:hover{color:var(--ink);background:var(--line-2);text-decoration:none}
.dx-nav a.on{color:var(--brand-700);background:var(--brand-50)}
.dx-nav .dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.dx-tr{margin-left:auto;display:flex;align-items:center;gap:10px}
.dx-search{display:flex;align-items:center;gap:9px;color:var(--muted-2);background:var(--panel);border:1px solid var(--line);padding:8px 12px;border-radius:9px;font-size:13px;min-width:210px;cursor:text}
.dx-search kbd{margin-left:auto;font-family:var(--mono);font-size:11px;background:var(--card);border:1px solid var(--line);border-radius:5px;padding:1px 6px;color:var(--muted)}
.dx-icon-btn{display:grid;place-items:center;width:38px;height:38px;background:var(--card);border:1px solid var(--line);border-radius:9px;cursor:pointer;color:var(--muted)}
.dx-icon-btn:hover{color:var(--ink);border-color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:13.5px;border-radius:9px;padding:9px 15px;cursor:pointer;border:1px solid transparent;font-family:inherit;transition:.15s;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(37,99,235,.4)}
.btn-primary:hover{background:var(--brand-600);color:#fff}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-700)}
.dx-menu{display:none}
/* Reference (Scalar) renders the topbar fixed so --scalar-header-height reserves space beneath it. */
.dx-top-fixed{position:fixed;left:0;right:0;top:0}
/* Mobile drawer backdrop */
.dx-scrim{position:fixed;inset:0;background:rgba(17,24,39,.4);z-index:34}
[data-theme="dark"] .dx-scrim{background:rgba(0,0,0,.55)}
.dx-side-ext{margin-left:auto;opacity:.5;display:inline-flex}

/* ---------- Shell ---------- */
.dx-shell{display:grid;grid-template-columns:var(--side) minmax(0,1fr) var(--rail);align-items:start;max-width:1560px;margin:0 auto}

/* ---------- Sidebar ---------- */
.dx-side{position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow-y:auto;padding:24px 12px 48px 22px;border-right:1px solid var(--line)}
.dx-side h5{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin:22px 0 8px 10px}
.dx-side h5:first-child{margin-top:0}
.dx-side a{display:flex;align-items:center;gap:10px;color:var(--ink-2);font-size:14px;font-weight:500;padding:7px 10px;border-radius:8px;line-height:1.25}
.dx-side a:hover{background:var(--line-2);color:var(--ink);text-decoration:none}
.dx-side a.on{background:var(--brand-50);color:var(--brand-800);font-weight:600}
[data-theme="dark"] .dx-side a.on{color:#9Cc4ff}
.dx-side a svg{width:16px;height:16px;flex:0 0 auto;color:var(--muted-2)}
.dx-side a.on svg{color:var(--brand)}

/* ---------- Main ---------- */
.dx-main{padding:40px 48px 96px;min-width:0}
.dx-main .eyebrow{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-700)}
.dx-main h1{font-size:38px;line-height:1.08;letter-spacing:-.03em;margin:8px 0 0}
.dx-main .lede{font-size:18px;color:var(--muted);max-width:66ch;margin:14px 0 0;line-height:1.55}
.dx-main h2{font-size:24px;margin:0}
.dx-main h3{font-size:17px;margin:0}
.dx-main section{scroll-margin-top:calc(var(--top) + 20px)}
.dx-main .block{margin-top:52px}
.dx-main p{max-width:70ch}
.dx-main .block>p:first-of-type{margin-top:14px}
.kicker{display:block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-bottom:9px}

/* meta chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 13px;font-size:13px;box-shadow:var(--shadow-card)}
.chip b{color:var(--ink);font-weight:600}
.chip .g{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.chip code{color:var(--brand-800);background:var(--brand-50);padding:2px 7px;border-radius:5px;border:1px solid var(--brand-100)}

/* ---------- Code block + tabs ---------- */
.code{margin-top:18px;background:var(--code-bg);border:1px solid var(--code-line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-pop)}
.code-top{display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid var(--code-line);background:var(--code-bg-2)}
.code-top .fn{font-family:var(--mono);font-size:12px;color:var(--code-dim)}
.code-tabs{display:flex;gap:2px;margin-left:auto}
.code-tab{font:inherit;font-size:12px;font-weight:600;color:var(--code-dim);background:transparent;border:0;padding:5px 10px;border-radius:6px;cursor:pointer;font-family:var(--sans)}
.code-tab:hover{color:#fff}
.code-tab.on{color:#fff;background:rgba(59,130,246,.2);box-shadow:inset 0 0 0 1px rgba(59,130,246,.4)}
.code-copy{margin-left:6px;background:transparent;border:1px solid var(--code-line);color:var(--code-dim);border-radius:6px;padding:5px 8px;cursor:pointer;font-size:11px;font-weight:600;font-family:var(--sans);display:flex;align-items:center;gap:5px}
.code-copy:hover{color:#fff;border-color:var(--brand)}
.code pre{margin:0;padding:16px 18px;overflow-x:auto;font-family:var(--mono);font-size:12.7px;line-height:1.7;color:var(--code-text);white-space:pre}
.code pre[hidden]{display:none}
.tk{color:#7FB2FF}.ts{color:#7EE0A6}.tn{color:#F2B36B}.tc{color:#6E819E;font-style:italic}.tp{color:#C9D6E8}.ta{color:#8FD3FF}.tf{color:#C0A9FF}
.macbar{display:flex;gap:7px;align-items:center}.macbar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.mac-r{background:#ff5f57}.mac-y{background:#febc2e}.mac-g{background:#28c840}

/* ---------- Tables ---------- */
.tablewrap{overflow-x:auto;margin-top:18px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--card)}
table.dx{width:100%;border-collapse:collapse;font-size:13.5px;min-width:520px}
table.dx th{text-align:left;font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted-2);font-weight:700;padding:11px 16px;border-bottom:1px solid var(--line);background:var(--panel)}
table.dx td{padding:11px 16px;border-bottom:1px solid var(--line-2);vertical-align:top}
table.dx tr:last-child td{border-bottom:none}
table.dx td:first-child code{color:var(--ink);font-weight:600;background:none;border:none;padding:0}
.mono{font-family:var(--mono);font-size:12px;color:var(--brand-700)}
.req{font-size:10.5px;font-weight:700;color:var(--err);letter-spacing:.03em}
.opt{font-size:10.5px;font-weight:600;color:var(--muted-2);letter-spacing:.03em}

/* ---------- Callouts ---------- */
.note{display:flex;gap:12px;margin-top:20px;padding:14px 16px;border-radius:var(--radius-lg);background:var(--brand-50);border:1px solid var(--brand-100)}
.note.warn{background:var(--warn-bg);border-color:#F0D48A}
.note.tip{background:var(--ok-bg);border-color:#A7E9CC}
.note svg{flex:0 0 auto;margin-top:1px}
.note p{margin:0;font-size:13.5px;color:var(--ink-2);max-width:none}
.note b{color:var(--ink)}

/* ---------- Pills / badges ---------- */
.pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:999px;border:1px solid}
.pill .d{width:7px;height:7px;border-radius:50%}
.pill-ok{color:var(--ok);background:var(--ok-bg);border-color:#A7E9CC}.pill-ok .d{background:var(--ok)}
.pill-warn{color:var(--warn);background:var(--warn-bg);border-color:#F0D48A}.pill-warn .d{background:var(--warn)}
.pill-err{color:var(--err);background:var(--err-bg);border-color:#F4C0C0}.pill-err .d{background:var(--err)}
.pill-info{color:var(--teal);background:var(--teal-bg);border-color:#9BE0EC}.pill-info .d{background:var(--teal)}
.verb{font-family:var(--mono);font-size:11px;font-weight:700;padding:2px 7px;border-radius:5px;letter-spacing:.02em}
.verb-get{color:var(--brand-700);background:var(--brand-50)}.verb-post{color:var(--ok);background:var(--ok-bg)}
.verb-put{color:var(--warn);background:var(--warn-bg)}.verb-del{color:var(--err);background:var(--err-bg)}

/* ---------- Cards / concept grid ---------- */
.grid{display:grid;gap:16px;margin-top:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-card)}
a.tile:hover{border-color:var(--brand);text-decoration:none;transform:translateY(-1px);transition:.15s}
.tile .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;margin-bottom:13px;background:var(--brand-50);color:var(--brand-700)}
.tile h4{font-size:16px;margin-bottom:6px}.tile p{margin:0;font-size:13px;color:var(--muted);line-height:1.5;max-width:none}

/* ---------- Steps ---------- */
.steps{counter-reset:s;margin-top:22px;display:flex;flex-direction:column;gap:0}
.stepc{position:relative;padding:0 0 26px 44px;border-left:2px solid var(--line)}
.stepc:last-child{border-left-color:transparent;padding-bottom:0}
.stepc::before{counter-increment:s;content:counter(s);position:absolute;left:-15px;top:-2px;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px;font-weight:700;display:grid;place-items:center}
.stepc h3{font-size:16px;margin-bottom:6px}.stepc p{margin:0;font-size:14px;color:var(--ink-2)}

/* horizontal lifecycle */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:22px;counter-reset:f}
.flowc{padding:0 14px 4px 0}
.flowc::before{counter-increment:f;content:"0" counter(f);font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand-700)}
.flowc .bar{height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--brand-100));margin:8px 0 12px}
.flowc h4{font-size:14px;margin-bottom:4px}.flowc p{margin:0;font-size:12.5px;color:var(--muted);line-height:1.5;max-width:none}

/* ---------- Right rail (on this page) ---------- */
.dx-rail{position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow-y:auto;padding:44px 22px 40px 8px}
.dx-rail h6{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin:0 0 10px}
.dx-rail a{display:block;color:var(--muted);font-size:13px;padding:4px 0 4px 12px;border-left:2px solid var(--line);line-height:1.4}
.dx-rail a:hover{color:var(--ink);text-decoration:none}
.dx-rail a.on{color:var(--brand-700);border-left-color:var(--brand);font-weight:600}
.dx-rail a.sub{padding-left:24px;font-size:12.5px}

footer.dx-foot{border-top:1px solid var(--line);margin-top:64px;padding:22px 0;color:var(--muted-2);font-size:12.5px;display:flex;gap:18px;flex-wrap:wrap;align-items:center}
footer.dx-foot a{color:var(--muted)}

/* prev/next */
.pager{display:flex;gap:14px;margin-top:56px}
.pager a{flex:1;border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px 16px;background:var(--card)}
.pager a:hover{border-color:var(--brand);text-decoration:none}
.pager .dir{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2)}
.pager .t{font-size:15px;font-weight:600;color:var(--ink);margin-top:3px}
.pager .next{text-align:right}

@media(max-width:1200px){:root{--rail:0px}.dx-shell{grid-template-columns:var(--side) minmax(0,1fr)}.dx-rail{display:none}}
@media(max-width:980px){.grid-4{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr 1fr}}
@media(max-width:820px){
  :root{--side:0px}.dx-shell{grid-template-columns:1fr}
  .dx-side{position:fixed;top:var(--top);left:0;width:280px;background:var(--page);z-index:35;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow-pop)}
  .dx-side.open{transform:none}.dx-menu{display:grid}.dx-nav,.dx-search{display:none}
  .dx-main{padding:26px 20px 70px}.dx-main h1{font-size:30px}.grid-4,.grid-2,.grid-3,.flow{grid-template-columns:1fr}.pager{flex-direction:column}
}