#wpdlm-popup {
    position: fixed;
    top:0; left:0; right:0; bottom:0;
    background: rgba(0,0,0,0.7);
    display:flex;
    justify-content:center;
    align-items:center;
    z-index: 9999;
}
#wpdlm-popup .wpdlm-popup-inner {
    background:#fff;
    padding:30px;
    border-radius:10px;
    text-align:center;
    max-width:400px;
    box-shadow:0 5px 20px rgba(0,0,0,0.3);
}
#wpdlm-popup button {
    background: #27ae60;
    color: #fff;
    padding: 10px 20px;
    border:none;
    border-radius:5px;
    cursor:pointer;
    font-size:16px;
}
#wpdlm-popup button:hover { background:#2ecc71; }