/* Ordre visual per files, igual que l’ordre dels llibres al document. */
@media screen and (min-width: 769px) {
    .quatrecols.book-row-grid,
    .doscols.book-row-grid {
        display: grid;
        column-count: auto;
        columns: auto;
        grid-auto-flow: row;
        gap: 20px;
        align-items: start;
    }
    .quatrecols.book-row-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    .doscols.book-row-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .book-row-grid > table {
        width: 100%;
        min-width: 0;
        margin-bottom: 0;
    }
}