.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.book-item {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.book-cover img {
    width: 100%;
    height: auto;
    display: block;
}

.book-details {
    padding: 1.5rem;
}

.book-details h3 {
    margin: 0 0 1rem;
    font-size: 1.25rem;
}

.book-author {
    color: #666;
    margin-bottom: 1rem;
}

.book-excerpt {
    color: #444;
    margin-bottom: 1rem;
}

.read-more {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #0073aa;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.read-more:hover {
    background: #005177;
}

/* Single Book Page */
.book-single {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.book-header {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.book-cover img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.book-info h1 {
    margin: 0 0 1rem;
    font-size: 2rem;
}

.book-meta {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
}

.book-meta p {
    margin: 0.5rem 0;
}

.book-content {
    line-height: 1.6;
}

/* Single Author Page */
.author-single {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.author-header {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.author-image img {
    width: 100%;
    height: auto;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.author-bio {
    line-height: 1.6;
    margin-bottom: 3rem;
}

.author-books h2 {
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .book-header,
    .author-header {
        grid-template-columns: 1fr;
    }
    
    .book-cover,
    .author-image {
        max-width: 300px;
        margin: 0 auto;
    }
}