.book-detail-page{background:#000;min-height:100vh;padding:4rem 2rem}.book-detail-container{max-width:1200px;margin:0 auto}.book-detail-back{color:#ffffffb3;cursor:pointer;z-index:10;pointer-events:auto;background:0 0;border:1px solid #fff3;border-radius:2rem;align-items:center;margin-bottom:3rem;padding:.75rem 1.5rem;font-family:PP Neue Montreal,sans-serif;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .3s;display:inline-flex;position:relative}.book-detail-back:hover{color:#fff;background:#ffffff0d;border-color:#ffffff4d}.book-detail-content{grid-template-columns:400px 1fr;gap:4rem;margin-top:3rem;display:grid}.book-detail-image-section{height:fit-content;position:sticky;top:2rem}.book-detail-image{aspect-ratio:2/3;object-fit:cover;border-radius:12px;width:100%;height:auto;box-shadow:0 20px 60px #00000080}.book-detail-image-placeholder{aspect-ratio:2/3;color:#ffffff4d;background:#ffffff0d;border-radius:12px;justify-content:center;align-items:center;width:100%;font-size:6rem;display:flex}.book-detail-info-section{flex-direction:column;gap:2rem;display:flex}.book-detail-category{color:#ffffffe6;background:#ffffff1a;border-radius:2rem;align-items:center;width:fit-content;padding:.5rem 1rem;font-family:PP Neue Montreal,sans-serif;font-size:.9rem;font-weight:500;display:inline-flex}.book-detail-title{color:#fff;letter-spacing:-.02em;margin:0;font-family:PP Neue Montreal,sans-serif;font-size:3rem;font-weight:700;line-height:1.2}.book-detail-meta{color:#fff9;align-items:center;gap:.75rem;font-family:Geist Mono,monospace;font-size:1rem;display:flex}.book-detail-author{font-weight:500}.book-detail-separator{opacity:.5}.book-detail-date{opacity:.8}.book-detail-description{color:#ffffffd9;margin-top:1rem;font-family:PP Neue Montreal,sans-serif;font-size:1.1rem;line-height:1.8}.book-detail-description p{margin-bottom:1.5rem}.book-detail-description h1,.book-detail-description h2,.book-detail-description h3,.book-detail-description h4{color:#fff;margin-top:2rem;margin-bottom:1rem;font-weight:600}.book-detail-description h1{font-size:2rem}.book-detail-description h2{font-size:1.75rem}.book-detail-description h3{font-size:1.5rem}.book-detail-description h4{font-size:1.25rem}.book-detail-description ul,.book-detail-description ol{margin-bottom:1.5rem;margin-left:1.5rem}.book-detail-description li{margin-bottom:.75rem}.book-detail-description a{color:#ffffffe6;text-decoration:underline;transition:opacity .2s}.book-detail-description a:hover{opacity:.7}.book-detail-description code{background:#ffffff1a;border-radius:4px;padding:.2rem .5rem;font-family:Geist Mono,monospace;font-size:.95rem}.book-detail-description pre{background:#ffffff0d;border-radius:8px;margin:1.5rem 0;padding:1.5rem;overflow-x:auto}.book-detail-description pre code{background:0 0;padding:0}.book-detail-description blockquote{opacity:.9;border-left:4px solid #ffffff4d;margin:1.5rem 0;padding-left:1.5rem;font-style:italic}@media (max-width:1000px){.book-detail-page{padding:2rem 1rem}.book-detail-content{grid-template-columns:1fr;gap:2rem}.book-detail-image-section{position:relative;top:0}.book-detail-image{max-width:400px;margin:0 auto;display:block}.book-detail-title{font-size:2rem}.book-detail-description{font-size:1rem}}