#security-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  color: #fff;
  z-index: 999999;
  display: none;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: Arial, sans-serif;
}

#security-box {
  max-width: 500px;
  padding: 30px;
  background: #111;
  border: 2px solid red;
  border-radius: 10px;
}

#security-box h2 {
  margin-bottom: 15px;
  color: red;
}

#security-box p {
  font-size: 16px;
}

.no-select {
  user-select: none;
}