:root{
  --bg:#faf9f7; --card:#ffffff; --ink:#0f172a; --muted:#555555; --line:#e5e7eb;
  --brand:#4f46e5; --brand-ink:#ffffff; --brand-soft:#eef2ff; --ok:#047857; --warn:#b45309; --bad:#be123c;
  --code:#f1f5f9;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0b1020; --card:#111827; --ink:#e5e7eb; --muted:#aaaaaa; --line:#1f2937;
    --brand:#818cf8; --brand-ink:#0b1020; --brand-soft:#1e1b4b; --ok:#34d399; --warn:#fbbf24; --bad:#fb7185;
    --code:#0f172a;
  }
}
:root[data-theme="dark"]{
  --bg:#0b1020; --card:#111827; --ink:#e5e7eb; --muted:#aaaaaa; --line:#1f2937;
  --brand:#818cf8; --brand-ink:#0b1020; --brand-soft:#1e1b4b; --ok:#34d399; --warn:#fbbf24; --bad:#fb7185;
  --code:#0f172a;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,sans-serif}
h1,h2,h3{font-family:Poppins,Inter,sans-serif;line-height:1.2;margin:0}
a{color:var(--brand)}
.wrap{max-width:920px;margin:0 auto;padding:0 16px}
.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:12px;height:60px;white-space:nowrap}
.logo{flex-shrink:0;width:34px;height:34px;border-radius:10px;background:var(--brand);display:grid;place-items:center}
.logo svg{stroke:var(--brand-ink)}
.brand{font:600 18px Poppins,sans-serif;flex-shrink:0;color:var(--ink);text-decoration:none}
.nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;min-width:0}
.nav a{flex-shrink:0;text-decoration:none;color:var(--muted);font-size:14px;padding:6px 10px;border-radius:8px}
.nav a.on,.nav a:hover{color:var(--ink);background:var(--brand-soft)}
.hero{padding:40px 0 8px}
.hero h1{font-size:clamp(26px,5vw,38px)}
.hero p{color:var(--muted);margin:10px 0 0;max-width:640px}
section{margin:28px 0}
section>h2{font-size:22px;margin-bottom:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 18px}
.card+.card{margin-top:12px}
.muted{color:var(--muted)}
.small{font-size:13px}
.field{display:grid;grid-template-columns:200px minmax(0,1fr);gap:14px;padding:12px 0;border-top:1px solid var(--line)}
.field:first-child{border-top:0;padding-top:0}
.field:last-child{padding-bottom:0}
.field .k{font-weight:600;font-size:14px}
.field .k .lim{display:block;font-weight:400;color:var(--muted);font-size:12px}
.field .v{min-width:0;overflow-wrap:anywhere}
.copyrow{display:flex;align-items:flex-start;gap:10px}
.copyrow .txt{flex:1;min-width:0;white-space:pre-wrap}
.btn{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;border:1px solid var(--line);background:var(--card);color:var(--ink);font:600 13px Inter,sans-serif;padding:6px 10px;border-radius:8px;cursor:pointer;text-decoration:none}
.btn:hover{border-color:var(--brand);color:var(--brand)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn.primary:hover{opacity:.9;color:var(--brand-ink)}
.btn.danger{background:var(--bad);border-color:var(--bad);color:#fff}
.btn.big{font-size:15px;padding:12px 18px;border-radius:12px}
.btn[disabled]{opacity:.55;cursor:default}
.pill{display:inline-block;white-space:nowrap;font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--brand-soft);color:var(--brand)}
.pill.ok{background:transparent;border:1px solid var(--ok);color:var(--ok)}
.pill.warn{background:transparent;border:1px solid var(--warn);color:var(--warn)}
table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-top:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);border-top:0}
.tablewrap{overflow-x:auto}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.gallery figure{margin:0}
.gallery img{width:100%;display:block;border-radius:10px;border:1px solid var(--line)}
.gallery figcaption{display:flex;align-items:center;gap:8px;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:6px;white-space:nowrap}
.gallery figcaption span{min-width:0;overflow:hidden;text-overflow:ellipsis}
.wide img{width:100%;border-radius:12px;border:1px solid var(--line);display:block}
code{background:var(--code);padding:1px 6px;border-radius:6px;font-size:13px}
ul.check{list-style:none;padding:0;margin:0}
ul.check li{padding:8px 0;border-top:1px solid var(--line);display:flex;gap:10px}
ul.check li:first-child{border-top:0}
ul.check li .pill{margin-top:2px}
.prose h2{font-size:20px;margin:28px 0 8px}
.prose h3{font-size:16px;margin:18px 0 6px}
.prose p,.prose li{color:var(--ink)}
footer{border-top:1px solid var(--line);margin-top:40px;padding:22px 0 40px;font-size:13px;color:var(--muted)}
input[type=email],input[type=password]{width:100%;font:15px Inter,sans-serif;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
input:focus{outline:2px solid var(--brand);outline-offset:1px}
.stack>*+*{margin-top:12px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600;transition:all .2s ease;pointer-events:none;white-space:nowrap;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media (max-width:640px){
  .field{grid-template-columns:minmax(0,1fr);gap:4px}
  .brand-sub{display:none}
}