:root{--bg:#0b0f17;--card:#121a28;--line:#1e293b;--txt:#e5edf7;--mut:#8b97a8;
  --blue:#60a5fa;--green:#22c55e;--red:#ef4444;--amber:#f59e0b}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:#0b0f17;color:var(--txt);
  font-family:"Segoe UI",system-ui,sans-serif}
.wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}
.spin{color:var(--mut)}
.card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:26px 24px;box-shadow:0 10px 40px #0008}
.brand{font-weight:700;letter-spacing:.5px;font-size:18px;margin-bottom:2px}
.brand span{color:var(--blue)}
.sub{color:var(--mut);font-size:13px;margin-bottom:18px}
label{display:block;font-size:12px;color:var(--mut);margin:12px 0 5px}
input{width:100%;background:#0d1422;border:1px solid var(--line);border-radius:9px;
  color:var(--txt);padding:11px 12px;font-size:14px;outline:none}
input:focus{border-color:var(--blue)}
input.code{letter-spacing:6px;text-align:center;font-size:20px;font-variant-numeric:tabular-nums}
button{width:100%;margin-top:18px;background:var(--blue);color:#06101f;border:0;
  border-radius:9px;padding:12px;font-size:14px;font-weight:700;cursor:pointer}
button:hover{filter:brightness(1.08)}
button.ghost{background:transparent;color:var(--mut);border:1px solid var(--line);font-weight:600}
button:disabled{opacity:.5;cursor:not-allowed}
.msg{margin-top:14px;font-size:13px;padding:9px 11px;border-radius:8px;display:none}
.msg.err{display:block;background:#2a1416;border:1px solid #4a1f22;color:#fca5a5}
.msg.ok{display:block;background:#0f251a;border:1px solid #1f3a2a;color:#86efac}
.secret{margin-top:10px;background:#0d1422;border:1px dashed var(--line);border-radius:9px;
  padding:12px;font-family:ui-monospace,Consolas,monospace;font-size:15px;letter-spacing:1px;
  word-break:break-all;text-align:center;color:#cfe3ff}
.hint{font-size:12px;color:var(--mut);margin-top:10px;line-height:1.5}
.hint b{color:var(--txt)}
.uri{font-size:11px;color:#6b7f9c;word-break:break-all;margin-top:6px}
.foot{margin-top:16px;font-size:11px;color:#5b6b80;text-align:center}
.row{display:flex;gap:10px}.row button{margin-top:0}
.pwrule{font-size:11px;color:var(--mut);margin-top:9px;line-height:1.5}
.qrwrap{display:flex;justify-content:center;margin:10px 0 6px}
#qr{width:200px;height:200px;border-radius:10px;background:#fff;padding:8px}
.strrow{margin-top:8px;display:flex;align-items:center;gap:9px}
.strbar{flex:1;height:6px;background:#0d1422;border:1px solid var(--line);border-radius:99px;overflow:hidden}
.strfill{height:100%;width:0;border-radius:99px;transition:width .2s ease,background .2s ease}
.strlabel{font-size:11px;font-weight:700;min-width:80px;text-align:right}
input.ok{border-color:#3FB950}
input.bad{border-color:#F85149}
.matchhint{font-size:11px;margin-top:5px;min-height:14px}
.matchhint.ok{color:#3FB950}
.matchhint.bad{color:#F85149}

.brand-center{text-align:center;margin-bottom:18px}
#bgfx{position:fixed;top:0;left:0;right:0;bottom:0;z-index:0;display:block;pointer-events:none}
.wrap{position:relative;z-index:1}