#security-beacon {
  display: none;
  position: fixed;
  z-index: 100;
  inset: 0;
  align-items: stretch;
  justify-content: stretch;
  pointer-events: none;
  animation: securityBeacon 0.32s steps(1, end) infinite;
}

#security-beacon.active {
  display: flex;
}

@keyframes securityBeacon {
  0%, 49% { background: #e4007c; }
  50%, 100% { background: #ffffff; }
}

#toast {
  z-index: 150;
}