/* ==================== Popup Dialog Box Start ==================== */
    .popup {
        background-color: #FFFFFF;
        border: 1px solid #CCCCCC;
        box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
        display: none;
        left: 50%;
        padding: 20px;
        position: fixed;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 50%;
        z-index: 1000;
    }
    
    .overlay {
        background: rgba(0, 0, 0, 0.5);
        display: none;
        height: 100%;
        left: 0;
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 999;
    }
    /* ==================== Popup Dialog Box End ==================== */