@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #07090e;--bg-secondary: #0f1623;--bg-card: rgba(15, 22, 35, .75);--bg-card-hover: rgba(26, 36, 54, .85);--bg-glass: rgba(255, 255, 255, .03);--bg-glass-hover: rgba(255, 255, 255, .06);--border-glass: rgba(255, 255, 255, .08);--border-glass-hover: rgba(255, 255, 255, .15);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--text-accent: #38bdf8;--accent-blue: #38bdf8;--accent-purple: #a78bfa;--accent-amber: #fbbf24;--accent-emerald: #34d399;--accent-rose: #fb7185;--gradient-hero: linear-gradient(135deg, #0a0e17 0%, #1e1b4b 50%, #0a0e17 100%);--gradient-accent: linear-gradient(135deg, #38bdf8, #a78bfa);--gradient-card: linear-gradient(145deg, rgba(56, 189, 248, .05), rgba(167, 139, 250, .05));--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(56, 189, 248, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{min-height:100vh;background:var(--gradient-hero);background-attachment:fixed}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}.container{max-width:100%;margin:0 auto;padding:0 1.5rem}.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);background:#0a0e17bf;border-bottom:1px solid var(--border-glass)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1rem 0;flex-wrap:wrap}.site-title{font-size:1.5rem;font-weight:700;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap}.site-title span{font-weight:300;opacity:.7}.controls{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;flex:1;justify-content:flex-end}.search-box{position:relative;flex:0 1 320px;min-width:200px}.search-box input{width:100%;padding:.6rem 1rem .6rem 2.5rem;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-lg);color:var(--text-primary);font-size:.875rem;font-family:inherit;outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.search-box input::placeholder{color:var(--text-muted)}.search-box input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #38bdf826}.search-icon{position:absolute;left:.85rem;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;font-size:.85rem}.sort-group{display:flex;gap:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-glass)}.sort-btn{padding:.55rem 1rem;font-family:inherit;font-size:.8rem;font-weight:500;cursor:pointer;border:none;background:var(--bg-glass);color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap}.sort-btn:hover{background:var(--bg-glass-hover);color:var(--text-primary)}.sort-btn.active{background:var(--accent-blue);color:var(--bg-primary)}.book-count{font-size:.8rem;color:var(--text-muted);white-space:nowrap}.add-book-btn{padding:.55rem 1rem;font-family:inherit;font-size:.8rem;font-weight:600;cursor:pointer;border:1px solid var(--accent-emerald);border-radius:var(--radius-lg);background:#34d3991a;color:var(--accent-emerald);transition:all var(--transition-fast);white-space:nowrap}.add-book-btn:hover{background:var(--accent-emerald);color:var(--bg-primary)}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:2.5rem 1.5rem;padding:2rem 1rem 4rem 1.5rem;margin-top:1rem}.book-grid[data-sort-mode=dewey] .isbn-tag{display:none}.book-card[data-section-label]:before{content:"";position:absolute;top:-1rem;left:-.75rem;bottom:-1rem;width:2px;background:var(--accent-blue);border-radius:4px;box-shadow:0 0 8px #3b82f666;pointer-events:none}.book-card[data-section-label]:after{content:attr(data-section-num) "\a" attr(data-section-topic);position:absolute;top:-3.3rem;left:-2rem;white-space:pre;text-align:center;font-size:.75rem;font-weight:800;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em;background:var(--bg-secondary);padding:4px 8px;border-radius:4px;border:1px solid var(--border-glass);box-shadow:var(--shadow-sm);pointer-events:none;z-index:10;line-height:1.2}.book-card{position:relative;display:flex;flex-direction:column;background:#111827d9;border:1px solid var(--border-glass);border-radius:var(--radius-lg);overflow:visible;cursor:pointer;transition:transform var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base);box-shadow:var(--shadow-md)}.book-card:hover{transform:translateY(-6px);border-color:#38bdf880;box-shadow:0 12px 28px #0009,0 0 20px #38bdf826}.book-cover{position:relative;width:100%;aspect-ratio:2/3;background:var(--gradient-card);display:flex;align-items:center;justify-content:center;overflow:hidden;border-top-left-radius:calc(var(--radius-lg) - 1px);border-top-right-radius:calc(var(--radius-lg) - 1px)}.book-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.book-card:hover .book-cover img{transform:scale(1.04)}.cover-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:1.5rem;text-align:center}.cover-placeholder .icon{font-size:2.5rem;opacity:.3}.cover-placeholder .ph-title{font-size:.8rem;font-weight:600;color:var(--text-secondary);line-height:1.3}.book-info{padding:.875rem 1rem;display:flex;flex-direction:column;gap:.3rem;flex:1;border-bottom-left-radius:calc(var(--radius-lg) - 1px);border-bottom-right-radius:calc(var(--radius-lg) - 1px);background:#111827d9}.book-title{font-size:.85rem;font-weight:600;line-height:1.35;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-author{font-size:.75rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.book-meta{display:flex;gap:.5rem;margin-top:.25rem}.meta-tag{display:inline-block;font-size:.65rem;font-weight:500;padding:.2rem .5rem;border-radius:999px;background:#38bdf81a;color:var(--accent-blue);white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.meta-tag.dewey{background:#a78bfa1a;color:var(--accent-purple)}.no-results{grid-column:1 / -1;text-align:center;padding:4rem 2rem;color:var(--text-muted)}.no-results .icon{font-size:3rem;margin-bottom:1rem;opacity:.4}.no-results p{font-size:1rem}.modal-overlay{position:fixed;inset:0;z-index:1000;background:#000000b3;backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity var(--transition-base),visibility var(--transition-base)}.modal-overlay.open{opacity:1;visibility:visible}.modal{position:relative;width:90%;max-width:800px;max-height:85vh;overflow-y:auto;background:var(--bg-secondary);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transform:translateY(20px) scale(.97);transition:transform var(--transition-base)}.modal-overlay.open .modal{transform:translateY(0) scale(1)}.modal-close{position:absolute;top:1rem;right:1rem;z-index:10;width:36px;height:36px;border:1px solid var(--border-glass);border-radius:50%;background:var(--bg-card);color:var(--text-secondary);font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.modal-close:hover{background:var(--accent-rose);color:#fff;border-color:var(--accent-rose)}.modal-content{padding:2rem}.modal-hero{display:flex;gap:2rem;margin-bottom:2rem}.modal-cover-section{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:1rem}.modal-cover{width:180px;border-radius:var(--radius-sm);box-shadow:var(--shadow-md)}.modal-details h2{font-size:1.4rem;font-weight:700;margin-bottom:.35rem}.modal-details .author{color:var(--text-secondary);margin-bottom:1rem}.modal-details .detail-row{display:flex;gap:.5rem;align-items:center;margin-bottom:.4rem;font-size:.85rem}.modal-details .detail-label{color:var(--text-muted);min-width:60px}.manual-cover-box{margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid var(--border-glass)}.manual-cover-box label{display:block;font-size:.75rem;font-weight:600;color:var(--text-secondary);margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}.manual-cover-box .input-group{display:flex;gap:.5rem}.manual-cover-box input{flex:1;padding:.5rem .75rem;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.85rem;font-family:inherit;outline:none}.manual-cover-box input:focus{border-color:var(--accent-blue)}.manual-cover-box button{padding:.5rem 1rem;background:var(--bg-glass-hover);border:1px solid var(--border-glass-hover);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.manual-cover-box button:hover{background:var(--accent-blue);color:var(--bg-primary);border-color:var(--accent-blue)}.manual-hint{font-size:.7rem;color:var(--text-muted);margin-top:.5rem;line-height:1.4}.alt-covers-section{border-top:1px solid var(--border-glass);padding-top:1.5rem}.alt-covers-section h3{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--text-secondary)}.alt-covers-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:.75rem}.alt-cover-item{aspect-ratio:2/3;border-radius:var(--radius-sm);overflow:hidden;border:2px solid transparent;cursor:pointer;transition:border-color var(--transition-fast),transform var(--transition-fast);background:var(--gradient-card)}.alt-cover-item:hover{border-color:var(--accent-blue);transform:scale(1.05)}.alt-cover-item.selected{border-color:var(--accent-emerald);box-shadow:0 0 12px #34d3994d}.alt-cover-item img{width:100%;height:100%;object-fit:cover}.alt-loading{text-align:center;color:var(--text-muted);padding:2rem;font-size:.85rem}.alt-empty{text-align:center;color:var(--text-muted);padding:1.5rem;font-size:.85rem}.lookup-modal{max-width:680px}.lookup-heading{font-size:1.4rem;font-weight:700;margin-bottom:.25rem}.lookup-subtitle{color:var(--text-muted);font-size:.85rem;margin-bottom:1.25rem}.lookup-search-box{display:flex;gap:.5rem;margin-bottom:1.5rem}.lookup-search-box input{flex:1;padding:.7rem 1rem;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;font-family:inherit;outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.lookup-search-box input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #38bdf826}.lookup-search-box input::placeholder{color:var(--text-muted)}.lookup-search-btn{padding:.7rem 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img{width:100%;height:100%;object-fit:cover}.lookup-result-cover .cover-placeholder{padding:0}.lookup-result-cover .cover-placeholder .icon{font-size:1.5rem}.lookup-result-info{display:flex;flex-direction:column;justify-content:center;gap:.25rem;min-width:0}.lookup-result-title{font-size:.9rem;font-weight:600;line-height:1.3;color:var(--text-primary)}.lookup-year{font-weight:400;color:var(--text-muted);font-size:.8rem}.lookup-result-author{font-size:.8rem;color:var(--text-secondary)}.lookup-result-meta{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.2rem}.meta-tag.fiction{background:#fbbf2426;color:var(--accent-amber)}.meta-tag.muted{background:#64748b1a;color:var(--text-muted)}.add-to-lib-btn{margin-top:.6rem;padding:.45rem 1rem;background:#38bdf81a;color:var(--accent-blue);border:1px solid rgba(56,189,248,.2);border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;align-self:flex-start}.add-to-lib-btn:hover:not(:disabled){background:var(--accent-blue);color:var(--bg-primary)}.add-to-lib-btn:disabled{opacity:.7;cursor:not-allowed}.add-to-lib-btn.success{background:#34d39926;color:var(--accent-emerald);border-color:#34d3994d}.add-to-lib-btn.error{background:#f8717126;color:#fca5a5;border-color:#f871714d}@media(max-width:768px){.header-inner{flex-direction:column;align-items:stretch}.controls{justify-content:stretch}.search-box{flex:1;min-width:0}.book-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}.modal-hero{flex-direction:column;align-items:center;text-align:center}.modal-cover-section{flex-direction:row;gap:1.5rem}}