.book-card{background:var(--surface);border-radius:8px;overflow:hidden;box-shadow:var(--shadow);transition:all .3s ease;display:flex;flex-direction:column;height:100%;border:1px solid var(--border-color)}.book-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-color)}.book-card-image{width:100%;aspect-ratio:3 / 4;overflow:hidden;background:var(--surface-light);display:flex;align-items:center;justify-content:center;position:relative}.book-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.book-card:hover .book-card-image img{transform:scale(1.05)}.book-card-placeholder{font-size:4rem;opacity:.3}.book-card-content{padding:1.5rem;flex:1;display:flex;flex-direction:column}.book-card-author{font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem}.book-card-writer-meta{font-size:.85rem;color:var(--text-secondary);margin-bottom:.5rem}.book-card-rating{display:flex;gap:2px;margin-bottom:.5rem;font-size:.9rem}.book-card-rating .rating-star{color:#bdc3c7}.book-card-rating .rating-star-full{color:#f1c40f}.book-card-rating .rating-star-half{background:linear-gradient(90deg,#f1c40f 50%,#bdc3c7 50%);-webkit-background-clip:text;background-clip:text;color:transparent}.book-card-title{font-size:1.25rem;font-weight:700;margin-bottom:.75rem;color:var(--text-primary);line-height:1.3}.book-card-genres{margin-top:auto;display:flex;flex-wrap:wrap;gap:.5rem}.book-card-genres .genre-tag{font-size:.75rem;padding:.25rem .6rem}.search-bar{position:relative;width:100%;max-width:500px;margin-bottom:2rem}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-secondary);pointer-events:none}.search-input{width:100%;padding:.875rem 3rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;font-family:inherit;background:var(--surface);color:var(--text-primary);transition:all .2s ease;outline:none}.search-input:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px #3498db1a}.search-input::placeholder{color:var(--text-secondary)}.search-clear{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);width:28px;height:28px;border:none;background:var(--surface-light);color:var(--text-secondary);font-size:1.5rem;line-height:1;border-radius:50%;cursor:pointer;transition:all .2s 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768px){.books-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem}.page-title{font-size:2rem}.active-filters{flex-direction:column;align-items:flex-start;padding:12px 16px}}.graph-view{position:relative;min-height:600px}.graph-view>.search-bar{display:none}.graph-controls{display:flex;align-items:center;gap:.5rem;background:var(--surface);padding:.5rem;border-radius:8px;box-shadow:var(--shadow);border:1px solid var(--border-color);z-index:10}.zoom-button{width:36px;height:36px;border:1px solid var(--border-color);background:var(--surface);color:var(--text-primary);font-size:1.25rem;font-weight:600;border-radius:6px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;padding:0}.zoom-button:hover{background:var(--surface-light);border-color:var(--text-secondary)}.zoom-level{font-size:.9rem;color:var(--text-secondary);min-width:50px;text-align:center;font-weight:500}.graph-canvas{background:var(--surface);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);height:700px;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;touch-action:none}.graph-canvas svg{transition:transform .2s ease}.genre-circle{transition:all .2s ease}.genre-circle-group:hover .genre-circle{fill:#f8f9fa;stroke:#3498db;stroke-width:3}.genre-circle-group:hover .genre-label{fill:#2c3e50;font-weight:700}.no-genres{text-align:center;padding:4rem 2rem;color:var(--text-secondary)}.genre-detail{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.back-button{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background:var(--surface);border:1px solid var(--border-color);color:var(--text-primary);font-size:.95rem;font-weight:500;border-radius:8px;cursor:pointer;transition:all .2s ease;margin-bottom:2rem;font-family:inherit}.back-button:hover{background:var(--surface-light);transform:translate(-4px)}.genre-title{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem;text-transform:capitalize}.genre-count{font-size:1rem;color:var(--text-secondary);margin-bottom:1rem}.genre-detail .search-bar{display:none}.genre-books{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.genre-book-item{display:flex;gap:1.25rem;padding:1.25rem;background:var(--surface);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow)}.genre-book-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-color)}.genre-book-cover{width:80px;height:107px;flex-shrink:0;border-radius:6px;overflow:hidden;background:var(--surface-light);display:flex;align-items:center;justify-content:center}.genre-book-cover 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