:root{--paper:#F4F6FA;--sheet:#FFFFFF;--ink:#0E1C33;--ink-2:#4D5B73;--rule:#E1E6EE;--ledger:#1A5FB4;--ledger-soft:#E9F1FC;--warn:#A2452F;--warn-soft:#F7E6E0;--display:"Newsreader",Georgia,serif;--sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
@media (prefers-color-scheme:dark){:root{--paper:#0A111E;--sheet:#111A2B;--ink:#E6ECF5;--ink-2:#9FAEC4;--rule:#22304A;--ledger:#6AA8F5;--ledger-soft:#132A4A;--warn:#F0A08C;--warn-soft:#3A2420}}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{background:var(--paper);color:var(--ink);font:15px/1.55 var(--sans);display:grid;place-items:center;padding:32px 16px}
.card{width:min(420px,100%);background:var(--sheet);border:1px solid var(--rule);border-radius:16px;padding:32px 28px;box-shadow:0 10px 30px rgba(0,0,0,.06)}
.brand{display:flex;gap:10px;align-items:center;margin-bottom:22px}
.brand img{display:block;width:auto} .brand-ico img{height:30px} .brand-ico .sw-img{display:block;height:36px;width:auto} .brand-word img{height:22px}
.brand .dark{display:none}
.sw-word{display:block;font-family:'Plus Jakarta Sans','Inter',system-ui,sans-serif;font-size:25px;font-weight:800;letter-spacing:-.02em;line-height:1;color:var(--ink)}.sw-word b{font-weight:800;color:#1478D4}
@media (prefers-color-scheme:dark){.brand .light{display:none}.brand .dark{display:block}}
h1{font-family:var(--display);font-size:26px;font-weight:600;margin:0 0 6px;line-height:1.2}
p.sub{margin:0 0 20px;color:var(--ink-2)}
label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin:14px 0 6px}
input{width:100%;font:inherit;font-size:16px;padding:11px 12px;border:1px solid var(--rule);border-radius:9px;background:var(--paper);color:var(--ink)}
input:focus{outline:2px solid var(--ledger);outline-offset:1px;border-color:var(--ledger)}
input.code{font-size:24px;letter-spacing:.35em;text-align:center;font-variant-numeric:tabular-nums}
button{width:100%;margin-top:20px;font:inherit;font-weight:600;font-size:15px;padding:12px;border-radius:10px;border:0;background:var(--ink);color:var(--paper);cursor:pointer}
button:disabled{opacity:.6;cursor:wait}
.link{background:none;color:var(--ledger);width:auto;padding:0;margin:14px 0 0;font-weight:500;text-decoration:underline;text-underline-offset:3px}
.msg{margin:16px 0 0;padding:10px 12px;border-radius:9px;font-size:14px}
.msg.err{background:var(--warn-soft);color:var(--warn)}
.msg.ok{background:var(--ledger-soft);color:var(--ledger)}
.qr{display:grid;place-items:center;margin:14px 0 6px;padding:12px;background:#fff;border-radius:12px;border:1px solid var(--rule)}
.qr img{width:190px;height:190px}
.secret{font-family:ui-monospace,Menlo,monospace;font-size:13px;word-break:break-all;color:var(--ink-2);text-align:center}
ol.steps{padding-left:20px;margin:0 0 4px;color:var(--ink-2);font-size:14px}
ol.steps li{margin:4px 0}
.foot{margin-top:22px;font-size:12px;color:var(--ink-2);text-align:center}
[hidden]{display:none !important}
.foot.copy{margin-top:8px;font-size:11.5px;opacity:.8}
.sw-word small{display:block;margin-top:3px;font-size:11px;font-weight:500;letter-spacing:.02em;color:#5b6577}
@media (prefers-color-scheme:dark){.sw-word b{color:#5BB4FF}}