/* Formaatknoppen paperback / e-book */
.bb-buttons {
    display: flex;
    gap: 14px;
    margin: 22px 0 18px;
    flex-wrap: wrap;
}

.bf-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    padding: 10px 15px;
    border-radius: 5px;
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.bf-dark {
    background: #fff;
    color: #4783b6;
    border: 2px solid #4783b6;
    cursor: default;
}

.bf-light {
    background: #fff;
    color: #777;
    border: 2px solid #cfcfcf;
}

.bf-light:hover {
    background: #f3f3f3;
    color: #555;
    border-color: #999;
    text-decoration: none;
}

/* Sterren bovenaan bij e-books */
.zb-bk-ebook-rating {
    margin: 0 0 12px;
}