* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.breadcrumb {
    margin-bottom: 24px;
    color: #666;
    font-size: 14px;
}

.breadcrumb a {
    color: #2c5282;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.book-details {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.book-image {
    position: relative;
    width: 100%;
    height: 450px;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.book-cover {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.book-image:hover .book-cover {
    transform: scale(1.05); /* Slight zoom effect */
}

.book-info h1 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #2c3e50;
}

.book-meta {
    color: #666;
    margin-bottom: 20px;
}

.availability {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: bold;
    margin: 10px 0;
}

.available {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.unavailable {
    background-color: #ffebee;
    color: #c62828;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #1976d2;
    color: white;
}

.btn-primary:hover {
    background-color: #1565c0;
}

.btn-secondary {
    background-color: #f5f5f5;
    color: #333;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background-color: #eeeeee;
}

.book-description {
    margin: 20px 0;
    line-height: 1.8;
}

.section-title {
    font-size: 24px;
    margin: 30px 0 20px;
    color: #2c3e50;
}

.author-section {
    background: white;
    padding: 30px;
    margin-top: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.author-info {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 20px;
}

.author-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
}

.recommendations {
    margin-top: 30px;
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.book-card {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    flex: 0 0 180px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.book-card:hover {
    transform: translateY(-12px);
}

.book-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 10px;
}

.book-card h3 {
    font-size: 16px;
    margin-bottom: 5px;
}

.book-card p {
    font-size: 14px;
    color: #666;
}

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

    .book-cover {
        height: 400px;
    }

    .author-info {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-photo {
        margin: 0 auto;
    }
}