html.bf-session-obscured body { visibility: hidden !important; }
.bf-session-lock { width: min(480px, calc(100% - 36px)); margin: 12vh auto; padding: 28px; background: #fff; border: 1px solid #cbd5e1; border-radius: 10px; color: #172d40; }
.bf-session-lock h1 { font: 700 1.7rem/1.3 Arial, sans-serif; color: #172d40; }
.bf-session-lock p { font: 1rem/1.6 Arial, sans-serif; color: #425466; }