/* Full-screen overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* semi-transparent black background */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999999; /* Ensure it is above other content */
  }
  
  