#uec-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
}
#uec-popup-content {
    background: #fff;
    max-width: 400px;
    margin: 10% auto;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    position: relative;
}
#uec-email-form {
    margin: 20px 0;
}
#uec-email-form input[type="email"] {
    padding: 10px;
    width: 70%;
    margin-right: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
}
#uec-email-form button {
    padding: 10px 20px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}
#uec-email-form button:hover {
    background: #005f8c;
}
#uec-close-popup {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #ddd;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
}
@media (max-width: 600px) {
    #uec-popup-content {
        max-width: 90%;
        margin: 20% auto;
    }
    #uec-email-form input[type="email"] {
        width: 100%;
        margin-bottom: 10px;
    }
}