/* HotVoucher Merchant API - developer guide + reference (v1025). Brand colours are tokens; no third-party fonts or files;
   no visible scrollbars (site rule 10-28). */
:root{--brand:#f97316;--brand2:#ea580c;--brand-soft:#fff4ec;--brand-line:#fed7aa;--ink:#0f172a;--ink2:#273449;--muted:#55627a;--soft:#8593a8;--line:#e6ebf2;--line2:#f0f3f8;--bg:#f6f8fb;--panel:#fff;--code:#0f172a;--code-ink:#e2e8f0;--code-dim:#94a3b8;--get:#2563eb;--get-soft:#eaf1fe;--post:#16a34a;--post-soft:#e8f7ee;--warn:#b45309;--warn-soft:#fff7e6;--bad:#c62234;--bad-soft:#fdecec;--ok:#15803d;--ok-soft:#e8f7ee;--info:#1d4ed8;--info-soft:#eef4ff;--r:14px;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html,body,*{scrollbar-width:none}
*::-webkit-scrollbar{display:none;width:0;height:0}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 var(--sans)}
a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}
code,pre,.mono{font-family:var(--mono)}
p code,li code,td code,.lead code,dd code,.callout code{font-size:.88em;background:var(--line2);border-radius:6px;padding:1px 6px;color:#9a3412;overflow-wrap:anywhere}
img{max-width:100%}
/* ---------- top bar ---------- */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;padding:12px 24px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:16px}
.brand:hover{text-decoration:none}
.brand img{border-radius:8px}
.brand b{font-weight:800}
.ver{font:700 12px var(--mono);background:var(--brand-soft);color:var(--brand2);border-radius:999px;padding:2px 9px}
.grow{flex:1}
.tl{font-weight:700;font-size:13px;padding:7px 12px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--panel);white-space:nowrap}
.tl:hover{text-decoration:none;border-color:var(--brand);color:var(--brand2)}
/* ---------- layout + side menu ---------- */
.wrap{display:grid;grid-template-columns:270px minmax(0,1fr);gap:32px;max-width:1300px;margin:0 auto;padding:24px}
.side{position:sticky;top:76px;align-self:start;max-height:calc(100vh - 96px);overflow:auto;padding-bottom:24px}
.side input{width:100%;font:inherit;font-size:13.5px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);outline:none;margin-bottom:12px}
.side input:focus{border-color:var(--brand)}
.side h4{margin:18px 0 4px;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--soft)}
.side a{display:flex;align-items:center;gap:8px;padding:5px 9px;border-radius:8px;color:var(--ink);font-size:13.5px;line-height:1.35}
.side a:hover{background:var(--panel);text-decoration:none}
.side a.sub{padding-left:22px;font-size:13px;color:var(--muted)}
.side a.cur{background:var(--brand-soft);color:var(--brand2);font-weight:700}
.side a .p{font-family:var(--mono);font-size:12.5px;overflow-wrap:anywhere}
.side .hide{display:none}
.m{display:inline-block;min-width:44px;text-align:center;font:800 11px/1 var(--mono);border-radius:6px;padding:4px 6px;flex-shrink:0}
.m.get{background:var(--get-soft);color:var(--get)}
.m.post{background:var(--post-soft);color:var(--post)}
main{min-width:0}
.loading,.note{color:var(--muted)}
/* ---------- guide blocks ---------- */
.sec-g{scroll-margin-top:80px;margin:0 0 30px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;margin:0 0 18px}
h1{margin:0 0 8px;font-size:30px;line-height:1.2;letter-spacing:-.02em}
h2{margin:0 0 6px;font-size:23px;line-height:1.3;letter-spacing:-.01em}
h3{margin:22px 0 8px;font-size:17px;scroll-margin-top:80px}
.lead{color:var(--muted);margin:0 0 12px;font-size:15.5px}
.kicker{display:inline-block;font:800 11.5px var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--brand2);margin-bottom:6px}
.paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0 6px}
.path{position:relative;display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--panel);color:var(--ink);transition:border-color .15s,box-shadow .15s}
.path:hover{text-decoration:none;border-color:var(--brand);box-shadow:0 8px 24px rgba(249,115,22,.10)}
.path .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand2)}
.path .ic svg{width:22px;height:22px}
.path b{font-size:16px}
.path span{color:var(--muted);font-size:13.5px}
.path em{font-style:normal;font-size:12.5px;color:var(--brand2);font-weight:700;margin-top:auto}
.badge{position:absolute;top:14px;right:14px;font:800 10.5px var(--sans);letter-spacing:.04em;text-transform:uppercase;background:var(--ok-soft);color:var(--ok);border-radius:999px;padding:2px 8px}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:16px 0 0}
.facts div{background:var(--bg);border-radius:12px;padding:10px 12px;font-size:13px;overflow-wrap:anywhere}
.facts b{display:block;font-size:11.5px;color:var(--soft);text-transform:uppercase;letter-spacing:.05em}
.facts code{font-size:12.5px}
.steps{counter-reset:st;margin:14px 0 4px;padding:0;list-style:none}
.steps>li{counter-increment:st;position:relative;padding:0 0 18px 46px;margin:0}
.steps>li::before{content:counter(st);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font:800 14px/30px var(--sans);text-align:center}
.steps>li::after{content:"";position:absolute;left:14px;top:34px;bottom:4px;width:2px;background:var(--brand-line)}
.steps>li:last-child::after{display:none}
.steps>li>b{display:block;font-size:16px;margin:2px 0 4px}
.steps>li>p{margin:0 0 8px;color:var(--ink2)}
.callout{border-radius:12px;padding:12px 14px 12px 42px;margin:12px 0;font-size:14px;position:relative;line-height:1.6}
.callout::before{position:absolute;left:15px;top:11px;font-weight:900}
.callout.tip{background:var(--ok-soft);color:#14532d}.callout.tip::before{content:"\2713";color:var(--ok)}
.callout.warn{background:var(--warn-soft);color:#7c4a03}.callout.warn::before{content:"!";color:var(--warn)}
.callout.info{background:var(--info-soft);color:#1e3a8a}.callout.info::before{content:"i";color:var(--info);font-family:Georgia,serif}
.callout p{margin:0}
.callout code{background:rgba(255,255,255,.7)}
table.t{width:100%;border-collapse:collapse;font-size:13.5px;margin:10px 0}
table.t th{text-align:left;font-size:12px;color:var(--soft);font-weight:700;padding:8px 10px;border-bottom:1px solid var(--line);background:var(--bg)}
table.t td{padding:9px 10px;border-bottom:1px solid var(--line2);vertical-align:top;overflow-wrap:anywhere}
table.t td:first-child{font-weight:700}
table.t.cmp td:first-child{color:var(--muted);width:22%}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 2px}
.chips a{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:3px 10px 3px 4px;font:600 12px var(--mono);color:var(--ink);background:var(--panel)}
.chips a:hover{text-decoration:none;border-color:var(--brand)}
.chips .m{min-width:38px;font-size:10px;padding:3px 5px}
.check{list-style:none;padding:0;margin:10px 0}
.check li{position:relative;padding:4px 0 4px 30px}
.check li::before{content:"";position:absolute;left:2px;top:9px;width:14px;height:14px;border-radius:4px;border:2px solid var(--brand)}
/* ---------- code blocks with language tabs ---------- */
.code{margin:10px 0 14px;border-radius:12px;background:var(--code);overflow:hidden}
.code .bar{display:flex;align-items:center;gap:2px;padding:6px 8px 0;background:#111c33}
.code .bar button{appearance:none;border:0;background:transparent;color:var(--code-dim);font:700 12px var(--sans);padding:7px 11px;border-radius:8px 8px 0 0;cursor:pointer}
.code .bar button.on{background:var(--code);color:#fff}
.code .bar .ttl{color:var(--code-dim);font:600 12px var(--sans);padding:7px 6px}
.code .bar .cp{margin:0 0 6px auto;background:rgba(255,255,255,.08);color:#fff;border-radius:8px;padding:5px 10px}
.code .bar .cp:hover{background:rgba(255,255,255,.18)}
.code pre{margin:0;padding:14px 16px;color:var(--code-ink);font-size:12.8px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}
.code pre[hidden]{display:none}
.code .c{color:#7d8ba1}
/* ---------- pictures: screenshots, diagrams, example pages ---------- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:14px 0}
.shot{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:10px;display:flex;flex-direction:column;gap:8px}
.shot a{display:block;border-radius:10px;overflow:hidden;background:#eef1f6}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{font-size:12.5px;color:var(--muted);line-height:1.45}
.shot figcaption b{color:var(--ink);display:block;font-size:13px}
.diagram{margin:14px 0;background:#fbfcfe;border:1px solid var(--line);border-radius:14px;padding:14px}
.diagram svg{display:block;width:100%;height:auto}
.dg-hint{display:none}
.diagram figcaption{font-size:12.5px;color:var(--muted);margin-top:6px}
.dg-lane{fill:#fff;stroke:#d7dfea}
.dg-lane-t{font:700 13px var(--sans);fill:var(--ink)}
.dg-life{stroke:#cbd5e1;stroke-dasharray:4 5}
.dg-a{stroke:var(--ink2);stroke-width:1.6;fill:none}
.dg-a.hv{stroke:var(--brand2)}
.dg-a.ch{stroke:#64748b;stroke-dasharray:6 5}
.dg-l{font:600 12.5px var(--sans);fill:var(--ink2)}
.dg-l.hv{fill:var(--brand2)}
.dg-l.mono{font:700 12px var(--mono)}
.dg-n{fill:var(--brand)}
.dg-nt{font:800 11px var(--sans);fill:#fff}
.dg-box{fill:#fff;stroke:#cbd5e1;stroke-width:1.4}
.dg-box.hv{fill:var(--brand-soft);stroke:var(--brand-line)}
.dg-box.ok{fill:var(--ok-soft);stroke:#a7dfbd}
.dg-box.bad{fill:var(--bad-soft);stroke:#f5b5bd}
.dg-box.wait{fill:var(--warn-soft);stroke:#f6d38c}
.dg-bt{font:700 12.5px var(--sans);fill:var(--ink)}
.dg-bs{font:500 11.5px var(--sans);fill:var(--muted)}
.dg-bm{font:700 11.5px var(--mono);fill:var(--brand2)}
.mock{margin:14px 0 8px;border:1px solid #d9e1ec;border-radius:14px;overflow:hidden;background:#fff;max-width:560px;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.mock .chrome{display:flex;align-items:center;gap:6px;padding:8px 12px;background:#f1f4f9;border-bottom:1px solid #e3e9f1}
.mock .chrome i{width:10px;height:10px;border-radius:50%;background:#d6dde8}
.mock .chrome span{margin-left:8px;flex:1;background:#fff;border-radius:7px;padding:3px 10px;font:12px var(--mono);color:var(--muted)}
.mock .body{padding:18px}
.mock h5{margin:0 0 12px;font-size:17px}
.mock .lbl{font-size:11.5px;color:var(--soft);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin:0 0 4px}
.mock .row{display:flex;gap:10px;align-items:center;margin:0 0 12px}
.mock .fld{flex:1;border:1px solid #d9e1ec;border-radius:10px;padding:9px 12px;font-size:14px;color:var(--ink);background:#fff;min-width:0}
.mock .fld.mono{font-family:var(--mono);font-size:12.5px;overflow-wrap:anywhere}
.mock .btn{border-radius:10px;padding:10px 16px;font-weight:800;font-size:14px;background:var(--ink);color:#fff;white-space:nowrap}
.mock .btn.hv{background:var(--brand)}
.mock .btn.wide{display:block;text-align:center}
.mock .qr{width:92px;height:92px;flex-shrink:0;border-radius:10px;border:1px solid #d9e1ec;padding:8px;background:#fff}
.mock .sum{background:var(--bg);border-radius:10px;padding:10px 12px;font-size:13px;margin:0 0 12px}
.mock .sum div{display:flex;justify-content:space-between;gap:10px;padding:2px 0}
.mock .sum b{font-family:var(--mono);font-size:12.5px}
.mock .ms{display:flex;align-items:center;gap:8px;font-size:13px;border-radius:10px;padding:9px 12px;margin-top:10px}
.mock .ms.wait{background:var(--warn-soft);color:#7c4a03}
.mock .ms.ok{background:var(--ok-soft);color:#14532d}
.mock .ms i{width:9px;height:9px;border-radius:50%;background:currentColor;flex-shrink:0}
.mock .pm{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.mock .pm span{font-size:11.5px;font-weight:700;border:1px solid var(--line);border-radius:999px;padding:2px 9px;color:var(--muted)}
.mocknote{font-size:12px;color:var(--soft);margin:0 0 14px}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}
/* ---------- generated API reference ---------- */
.kv{display:grid;grid-template-columns:150px minmax(0,1fr);gap:6px 14px;margin:12px 0 0;font-size:13.5px}
.kv dt{color:var(--soft);font-weight:700}
.kv dd{margin:0;overflow-wrap:anywhere}
.txt{white-space:pre-line;color:var(--ink2);margin:8px 0}
.op{scroll-margin-top:80px}
.oph{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.oph .path{font:700 15px var(--mono);overflow-wrap:anywhere}
.chip{font-size:11.5px;font-weight:700;border-radius:999px;padding:2px 10px;background:var(--line2);color:var(--muted);white-space:nowrap}
.chip.off{background:var(--warn-soft);color:var(--warn)}
.op h3{margin:2px 0 8px;font-size:16.5px}
.sec{margin:16px 0 6px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--soft);font-weight:800}
.op table{width:100%;border-collapse:collapse;font-size:13px;margin:4px 0 6px}
.op th{text-align:left;font-size:11.5px;color:var(--soft);font-weight:700;padding:6px 8px;border-bottom:1px solid var(--line)}
.op td{padding:7px 8px;border-bottom:1px solid var(--line2);vertical-align:top;overflow-wrap:anywhere}
td.n{font-family:var(--mono);font-size:12.5px;white-space:nowrap}
td.n .d{color:var(--soft)}
td.t{font-family:var(--mono);font-size:12px;color:#5b21b6}
.req{font-size:10.5px;font-weight:800;color:var(--bad);margin-left:4px}
.enum{display:block;margin-top:2px;color:var(--soft);font-size:12px}
details{border:1px solid var(--line);border-radius:12px;margin:8px 0;background:#fbfcfe}
details>summary{cursor:pointer;list-style:none;padding:9px 12px;font-weight:700;font-size:13.5px;display:flex;gap:10px;align-items:baseline}
details>summary::-webkit-details-marker{display:none}
details>summary::before{content:"\25B8";color:var(--soft);font-size:11px}
details[open]>summary::before{content:"\25BE"}
details>.in{padding:0 12px 10px}
.st{font-family:var(--mono);font-weight:800}
.st.ok{color:var(--post)}
.st.bad{color:var(--bad)}
.ex{position:relative;margin:8px 0}
.ex pre{margin:0;background:var(--code);color:var(--code-ink);border-radius:12px;padding:14px 16px;font-size:12.5px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}
.ex .lbl{font-size:11.5px;color:var(--soft);font-weight:700;margin:0 0 4px}
.ex button{position:absolute;top:26px;right:8px;font:700 11.5px var(--sans);border:0;border-radius:8px;padding:5px 9px;background:rgba(255,255,255,.12);color:#fff;cursor:pointer}
.ex button:hover{background:rgba(255,255,255,.22)}
.errs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:10px 0 0}
.errs .lead{margin:0;font-size:12.5px}
.ec{font:800 12px var(--mono);color:var(--bad);background:var(--bad-soft);border-radius:7px;padding:3px 8px}
.ec:hover{text-decoration:none;background:#fbd9d9}
details.shape{background:transparent;border-style:dashed}
.foot{color:var(--soft);font-size:12.5px;margin:30px 0 10px}
@media (max-width:1100px){.paths{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}}
@media (max-width:900px){
  .wrap{grid-template-columns:minmax(0,1fr);padding:12px;gap:12px}
  .side{position:static;max-height:46vh;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:12px}
  .top{position:static;padding:10px 16px;flex-wrap:wrap}
  .card{padding:16px}
  h1{font-size:24px}
  h2{font-size:20px}
  .facts{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
  table.t.cmp td:first-child{width:auto}
  td.n{white-space:normal}
  .op table,.op tbody,.op tr,.op td{display:block;width:100%}
  .op thead{display:none}
  .op tr{padding:7px 0;border-bottom:1px solid var(--line2)}
  .op td{border:0;padding:1px 4px}
  .oph .path{font-size:14px}
  .op,.sec-g,h3{scroll-margin-top:8px}
  .steps>li{padding-left:40px}
}
/* reference groups in the menu and the reference headings */
.side .rg{margin:10px 0 2px;padding-left:9px;font-size:11.5px;color:var(--soft);font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.refh{margin:26px 0 4px;font-size:19px;scroll-margin-top:80px}
#ref>.lead{margin-bottom:12px}
@media (max-width:900px){.refh{scroll-margin-top:8px}}
@media (max-width:700px){.diagram.wide .dg-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.diagram.wide .dg-scroll svg{width:640px;max-width:none}.dg-hint{display:block;font-size:12.5px;color:var(--muted);margin:0 0 6px}}