.slc-auth-overlay{position:fixed;inset:0;z-index:100000;background:rgba(9,24,43,.82);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:20px;overflow:auto}
.slc-auth-card{box-sizing:border-box;width:100%;max-width:490px;max-height:calc(100dvh - 40px);overflow:auto;background:#fff;color:#14263a;border:1px solid #dbe5ef;border-radius:20px;padding:28px;box-shadow:0 20px 70px rgba(0,0,0,.35);font-family:Inter,Arial,sans-serif}
.slc-auth-mark{font-size:11px;letter-spacing:1.4px;color:#53718c;font-weight:700;margin-bottom:12px}
.slc-auth-card h2{font-size:24px;line-height:1.25;margin:0 0 12px;color:#102c49}
.slc-auth-card p{font-size:14px;line-height:1.55;margin:12px 0;color:#51657a}
.slc-auth-card .field{display:flex;flex-direction:column;gap:7px;margin:16px 0;color:#14263a;font-size:14px}
.slc-auth-card .input{width:100%;box-sizing:border-box;min-height:46px;background:#f7fafc;color:#14263a;border:1px solid #bdcddd;border-radius:10px;padding:12px;font-size:17px}
.slc-auth-full{width:100%;justify-content:center;min-height:45px;margin-top:10px}
.slc-auth-card .btn{border-radius:10px;cursor:pointer;padding:12px 16px;font-size:14px}
.slc-auth-card .btn.primary{background:#153e68;color:#fff;border:1px solid #153e68}
.slc-auth-card .btn.secondary{background:#edf3f8;color:#153e68;border:1px solid #b9cddd}
.slc-auth-card button:disabled{opacity:.5;cursor:default}
.slc-auth-qr{display:block;width:210px;height:210px;max-width:100%;margin:16px auto;background:#fff;border:1px solid #dde6ef;border-radius:8px;padding:8px;box-sizing:border-box}
.slc-auth-manual{font-size:13px;color:#345775;border-top:1px solid #e4ebf2;padding:12px 0}.slc-auth-manual summary{cursor:pointer}.slc-auth-manual code{display:block;overflow-wrap:anywhere;background:#f0f5fa;padding:10px;margin-top:12px;user-select:all;font-size:13px}
.slc-auth-card .slc-auth-error{color:#ad2535;background:#fff0f1;padding:10px 12px;border-radius:8px}.slc-auth-error[hidden]{display:none!important}
.slc-auth-link{display:block;background:none;border:0;color:#345d83;font-size:13px;text-decoration:underline;margin:15px auto 0;cursor:pointer;padding:4px}
.slc-recovery-codes{font-family:monospace;font-size:12px;line-height:1.9;white-space:pre;overflow-x:auto;background:#f1f6fb;border:1px solid #d6e2ee;border-radius:10px;padding:12px;margin:16px 0;user-select:all}
.slc-auth-check{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:14px}.slc-auth-check input{width:18px;height:18px}
@media(max-width:520px){.slc-auth-overlay{padding:12px}.slc-auth-card{padding:20px;max-height:calc(100dvh - 24px)}.slc-auth-card h2{font-size:22px}.slc-recovery-codes{font-size:11px}#slcSecurityButton{padding:6px;font-size:11px}}