/* Book Card Styling */
.book-card {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 15px;
    transition: 0.3s;
    border: 1px solid #ddd;
    background: #fff;
}

.book-card:hover {
    transform: translateY(-5px);
}

/* Amazon-style button */
.book-btn {
    background: #f0c14b;
    border: 1px solid #a88734;
    padding: 10px;
    display: block;
    text-align: center;
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}