.book-detail-header{margin:var(--space-xl) 0}.book-header-container{display:flex;gap:var(--space-xl);align-items:flex-start}.book-cover-image{max-width:300px;max-height:480px;width:auto;height:auto;box-shadow:var(--shadow-lg);flex-shrink:0}.book-info{flex:1}.book-info h2{margin-top:0;margin-bottom:var(--space-md)}.book-info p{margin-bottom:var(--space-sm);max-width:none}.book-info .book-description{margin-top:var(--space-md);font-size:1.05rem;line-height:1.7}article > p:first-of-type{font-size:1.1rem;color:var(--color-text-muted);margin-bottom:var(--space-lg)}@media (max-width: 768px){.book-header-container{flex-direction:column;align-items:center}.book-cover-image{margin-bottom:var(--space-md)}}