.book-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 2rem;
}

@media (max-width: 1400px) {
    .book-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1200px) {
    .book-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .book-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .book-grid {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .book-grid {
        grid-template-columns: 1fr;
    }
}