.pdb-download-button {
    background: #0073aa;
    color: #fff;
    border: none;
    padding: 10px 16px;
    border-radius: 4px;
    cursor: pointer;
}
.pdb-modal-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    z-index: 99999;
}
.pdb-modal {
    background: #fff;
    padding: 20px;
    border-radius: 6px;
    width: 90%;
    max-width: 420px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.2);
}
.pdb-modal input[type=text], .pdb-modal input[type=email] {
    width: 100%;
    padding: 8px;
    margin-bottom: 8px;
    box-sizing: border-box;
}
.pdb-modal-close {
    border: none;
    background: transparent;
    font-size: 20px;
    float: right;
    cursor: pointer;
}
.pdb-error { color: #b00020; margin-bottom: 8px; }