:root{
  --bg:#0B1220; --panel:#111A2C; --panel2:#16213a; --line:#243049;
  --text:#E9EDF5; --muted:#97A3BA; --ember:#FF5B35; --ember-d:#E64A27; --ok:#3ecf8e; --bad:#ff7a7a;
  --serif:"Fraunces",Georgia,"Times New Roman",serif; --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;top:0!important}
a{color:var(--ember)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header.top{display:flex;align-items:center;justify-content:space-between;padding:22px 0;gap:16px}
.brand{font-family:var(--serif);font-size:24px;font-weight:600;letter-spacing:.2px;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:10px}
.brand img{height:34px;width:auto;display:block}
main.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;padding:36px 0 72px;align-items:start}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(34px,5vw,52px);line-height:1.06;margin:0 0 18px;letter-spacing:-.5px}
.lede{color:var(--muted);max-width:44ch;margin:0 0 30px}
ol.steps{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
ol.steps li{position:relative;padding:2px 0 22px 26px;color:var(--text)}
ol.steps li::before{content:"";position:absolute;left:-7px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--ember)}
ol.steps li span{display:block;color:var(--muted);font-size:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px}
.card h2{font-family:var(--serif);font-weight:600;font-size:26px;margin:0 0 18px}
label{display:block;font-size:14px;font-weight:600;margin:0 0 6px}
.field{margin-bottom:16px}
input[type=text],input[type=email],input[type=password],textarea{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);
  border-radius:9px;padding:12px 14px;font:inherit;outline:none;transition:border-color .15s}
textarea{min-height:76px;resize:vertical}
input:focus,textarea:focus{border-color:var(--ember);box-shadow:0 0 0 3px rgba(255,91,53,.22)}
.hint{color:var(--muted);font-size:13px;margin-top:5px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
button.primary,a.primary{display:inline-block;width:100%;background:var(--ember);color:#fff;border:0;border-radius:9px;padding:13px 18px;
  font:inherit;font-weight:700;cursor:pointer;text-align:center;text-decoration:none;transition:background .15s}
button.primary:hover,a.primary:hover{background:var(--ember-d)}
button.primary:disabled{opacity:.55;cursor:wait}
button.link{background:none;border:0;color:var(--ember);font:inherit;cursor:pointer;padding:0;text-decoration:underline}
button.link:disabled{color:var(--muted);text-decoration:none;cursor:default}
.msg{min-height:22px;margin:12px 0 0;font-size:14px}
.msg.bad{color:var(--bad)} .msg.ok{color:var(--ok)}
.notice{background:rgba(255,91,53,.12);border:1px solid rgba(255,91,53,.4);border-radius:9px;padding:10px 14px;margin:0 0 16px;font-size:14px}
.code{width:100%;text-align:center;font-family:var(--serif);font-size:40px;letter-spacing:.42em;padding:14px 10px 14px 24px;font-weight:600}
.row{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:14px;color:var(--muted);gap:12px}
.pulse{width:14px;height:14px;border-radius:50%;background:var(--ember);display:inline-block;margin-right:10px;animation:p 1.6s ease-in-out infinite}
@keyframes p{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.big{font-family:var(--serif);font-size:28px;font-weight:600;margin:0 0 10px}
footer.foot{color:var(--muted);font-size:13px;padding:22px 0 40px;border-top:1px solid var(--line)}

/* language picker */
.lp-lang{position:relative}
.lp-lang button.lp-btn{display:flex;align-items:center;gap:8px;background:var(--panel);color:var(--text);border:1px solid var(--line);
  border-radius:9px;padding:8px 12px;font:inherit;font-size:14px;cursor:pointer}
.lp-lang button.lp-btn:focus-visible,.lp-lang li:focus-visible{outline:2px solid var(--ember);outline-offset:2px}
.lp-lang img{width:20px;height:15px;object-fit:cover;border-radius:2px;display:block}
.lp-lang ul{position:absolute;right:0;top:calc(100% + 6px);z-index:50;margin:0;padding:6px;list-style:none;background:var(--panel);
  border:1px solid var(--line);border-radius:11px;width:230px;max-height:340px;overflow:auto;display:none;box-shadow:0 18px 40px rgba(0,0,0,.45)}
.lp-lang.open ul{display:block}
.lp-lang li{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:7px;cursor:pointer;font-size:14px}
.lp-lang li:hover,.lp-lang li[aria-selected=true]{background:var(--panel2)}
.lp-fixed{position:fixed;top:14px;right:14px;z-index:9999}

/* hide Google Translate chrome */
.goog-te-banner-frame,.goog-te-balloon-frame,#goog-gt-tt,.goog-tooltip,iframe.skiptranslate{display:none!important}
.goog-text-highlight{background:none!important;box-shadow:none!important}
#google_translate_element{display:none}

@media (max-width:860px){main.split{grid-template-columns:1fr;gap:34px;padding-top:12px}.code{font-size:32px}}
@media (prefers-reduced-motion:reduce){.pulse{animation:none}}

/* quick-start guide */
.guide{max-width:780px;margin:0 auto;padding:18px 0 70px}
.guide h1{margin-bottom:10px}
.guide .lede{max-width:60ch}
.guide h2{font-family:var(--serif);font-weight:600;font-size:28px;margin:46px 0 10px;scroll-margin-top:20px}
.guide h3{font-size:17px;margin:24px 0 6px}
.guide p,.guide li{color:var(--text)}
.guide ol.num{padding-left:22px}
.guide ol.num li,.guide ul li{margin:7px 0}
.guide .toc{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 22px;margin:26px 0}
.guide .toc ol{margin:0;padding-left:20px;columns:2;column-gap:36px}
.guide .toc a{text-decoration:none}
.guide .note{background:rgba(255,91,53,.10);border:1px solid rgba(255,91,53,.35);border-radius:10px;padding:12px 16px;margin:16px 0;font-size:15px}
.guide dl{margin:0}
.guide dt{font-weight:700;margin-top:16px}
.guide dd{margin:2px 0 0;color:var(--muted)}
.guide code,.guide kbd{background:var(--panel2);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:.92em}
.guide .cta{margin:34px 0 0}
.guide .cta a.primary{width:auto;padding:13px 26px}
@media (max-width:700px){.guide .toc ol{columns:1}}