:root{--navy:#0b1f3a;--gold:#c9a84c;--cream:#f7f3ec;--text:#14233b;--muted:#63708a;--border:#dfe5ee}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:var(--cream);color:var(--text)}
main{max-width:590px;margin:auto;padding:48px 20px 80px}.brand{text-align:center;margin-bottom:28px}.brand strong{font-family:Georgia,serif;font-size:34px;color:var(--navy)}.brand span{display:block;color:var(--gold);letter-spacing:.18em;font-size:11px;margin-top:6px}
.card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:30px;box-shadow:0 16px 45px rgba(11,31,58,.08)}
h1{font-family:Georgia,serif;font-size:34px;margin:0 0 10px;color:var(--navy)}p{color:var(--muted);line-height:1.6}
label{display:block;font-weight:700;margin:18px 0 7px}.inp{width:100%;border:1px solid var(--border);border-radius:12px;padding:14px;font-size:16px}
.primary,.secondary{width:100%;border-radius:13px;padding:15px;font-weight:800;margin-top:12px;cursor:pointer}.primary{border:0;background:var(--navy);color:#fff}.secondary{border:1px solid var(--border);background:#fff;color:var(--navy)}
.msg{display:none;border-radius:12px;padding:12px 14px;margin-top:16px;font-size:14px;line-height:1.5}.msg.ok{display:block;background:#e9f6ee;color:#28683f}.msg.err{display:block;background:#fcebea;color:#9b2d28}
small{display:block;color:var(--muted);line-height:1.5;margin-top:8px}.legacy{margin-top:25px;padding-top:22px;border-top:1px solid var(--border)}

.mfa-overlay{
  position:fixed;inset:0;z-index:99999;display:none;align-items:center;justify-content:center;
  padding:22px;background:rgba(8,24,45,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)
}
.mfa-overlay.open{display:flex}
.mfa-card{
  width:min(520px,100%);background:#fff;border:1px solid #dbe3ed;border-radius:24px;
  padding:28px;box-shadow:0 28px 80px rgba(8,24,45,.35);color:#17263d
}
.mfa-card h2{margin:8px 0 10px;color:#102746;font:700 34px Georgia,serif}
.mfa-card p{color:#66758a;line-height:1.55}
.mfa-qr{display:block;width:min(230px,75vw);margin:18px auto;border:1px solid #e2e7ed;border-radius:16px;padding:10px;background:#fff}
.mfa-secret{word-break:break-all;padding:10px 12px;border-radius:10px;background:#f3f5f7;color:#102746;font:700 13px monospace}
.mfa-code{
  width:100%;margin-top:14px;padding:14px;border:1px solid #dbe3ed;border-radius:12px;
  font-size:22px;letter-spacing:.22em;text-align:center
}
.mfa-submit{
  width:100%;min-height:48px;margin-top:14px;border:0;border-radius:13px;background:#102746;color:#fff;font-weight:900
}
.mfa-error{margin-top:10px;padding:10px 12px;border-radius:10px;background:#fcebea;color:#912f29;display:none}
.mfa-note{margin-top:13px;font-size:12px;color:#738196}