.wp-pdf-travelengine-wrap {
    margin-top: 20px;
}

.wp-pdf-travelengine-btn {
    padding: 12px 20px;
    background: #111;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.wp-pdf-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
}

.wp-pdf-modal.active {
    display: block;
}

.wp-pdf-modal-content {
    background: #fff;
    max-width: 500px;
    margin: 60px auto;
    padding: 20px;
    border-radius: 10px;
}

.wp-pdf-modal input {
    width: 100%;
    margin-bottom: 10px;
    padding: 10px;
}