.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent background */
    z-index: 999;
}

.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 20px;
    background-color: #E0F7FA; /* Light color background */
    color: #0E7AAA; /* Text color */
    border: 1px solid #0E7AAA; /* Border color */
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2); /* Shadow effect */
    z-index: 1000;
    text-align: center;
}

.popup-message {
    margin-bottom: 10px;
    font-size: 18px;
    margin-top: 15px;
}

.popup-close {
    position: absolute;
    top: 10px;
    right: 10px; /* Positioned at the top right corner */
    cursor: pointer;
    color: #0E7AAA; /* Glowing light color */
    font-size: 24px;
    font-weight: bold;
    border: none;
    background: none;
    transition: color 0.3s ease; /* Smooth transition for glow effect */
}

    .popup-close:hover {
        color: #FF0000; /* Brighter red on hover */
    }