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.selection-divider,.reader-overlay.theme-light .selection-colors.show{border-color:#0000001f}@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){.selection-toolbar{background-color:#ffffff2e}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:transparent;display:none;align-items:center;justify-content:center;z-index:300;padding:var(--space-lg);pointer-events:none}.modal-overlay.active{display:flex}.modal{width:100%;max-width:500px;max-height:80vh;display:flex;flex-direction:column;animation:modalIn var(--duration-normal) var(--ease-out);pointer-events:auto}@keyframes modalIn{0%{opacity:0;transform:scale(.95) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-lg)}.modal-header h3{font-size:1.125rem;font-weight:400;letter-spacing:.05em;display:none}.modal-header 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var(--ease-out)}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--ink-light);background:var(--ink-dark)}.form-textarea{min-height:120px;resize:none;line-height:1.6}.form-select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px}.btn-primary{padding:var(--space-sm) var(--space-lg);background:var(--ink-white);color:var(--ink-black);border:none;border-radius:var(--radius-md);font-family:inherit;font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--duration-fast) var(--ease-out)}.btn-primary:hover{background:var(--ink-pale);transform:translateY(-1px)}.btn-secondary{padding:var(--space-sm) var(--space-lg);background:transparent;color:var(--ink-pale);border:1px solid var(--glass-border);border-radius:var(--radius-md);font-family:inherit;font-size:.875rem;cursor:pointer;transition:all var(--duration-fast) var(--ease-out)}.btn-secondary:hover{background:var(--glass-bg);border-color:var(--ink-light)}.btn-circle{width:42px;height:42px;border-radius:50%;background:var(--ink-white);color:var(--ink-black);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--duration-fast) var(--ease-out)}.btn-circle:hover{transform:scale(1.05)}.btn-circle svg{width:20px;height:20px}.modal-overlay.theme-sepia .btn-circle{background:#5c4b37;color:#f4ecd8}.modal-overlay.theme-light .btn-circle{background:#333;color:#fff}@media (max-width: 1024px){.books-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--space-lg)}.toc-sidebar{width:260px}}@media (max-width: 768px){:root{--sidebar-width: 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svg{width:16px;height:16px}}.continue-reading{margin-bottom:var(--space-xl)}.continue-card{display:flex;align-items:center;gap:var(--space-lg);padding:var(--space-lg);background:linear-gradient(135deg,var(--glass-bg) 0%,rgba(255,255,255,.05) 100%);border:1px solid var(--glass-border);border-radius:var(--radius-xl);cursor:pointer;transition:all var(--duration-normal) var(--ease-out)}.continue-card:hover{background:var(--glass-hover);transform:translateY(-2px);box-shadow:0 10px 30px #0000004d}.continue-cover{width:60px;height:80px;border-radius:var(--radius-sm);background:var(--ink-gray);overflow:hidden;flex-shrink:0}.continue-cover img{width:100%;height:100%;object-fit:cover}.continue-info{flex:1;min-width:0}.continue-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-light)}.continue-info h3{font-size:1.125rem;font-weight:500;margin:var(--space-xs) 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var(--ease-out)}.sort-option:hover{background:var(--glass-bg)}.sort-option.active{color:var(--ink-white);background:var(--glass-hover)}.books-list{display:flex;flex-direction:column;gap:var(--space-sm)}.book-list-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration-fast) var(--ease-out)}.book-list-item:hover{background:var(--glass-hover);transform:translate(4px)}.book-list-cover{width:40px;height:55px;border-radius:var(--radius-sm);background:var(--ink-gray);overflow:hidden;flex-shrink:0}.book-list-cover img{width:100%;height:100%;object-fit:cover}.book-list-info{flex:1;min-width:0}.book-list-info h3{font-size:.9375rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:var(--space-xs)}.book-list-info p{font-size:.75rem;color:var(--ink-light)}.book-list-progress{font-size:.75rem;font-family:Space Mono,monospace;color:var(--ink-light);margin-right:var(--space-md)}.book-detail-modal{display:flex;gap:var(--space-xl)}.book-detail-cover{width:150px;height:200px;border-radius:var(--radius-md);background:var(--ink-gray);overflow:hidden;flex-shrink:0}.book-detail-cover img{width:100%;height:100%;object-fit:cover}.book-detail-info{flex:1}.book-detail-info h2{font-size:1.25rem;font-weight:500;margin-bottom:var(--space-sm)}.book-detail-meta{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-lg)}.book-detail-meta span{font-size:.875rem;color:var(--ink-light)}.book-detail-meta span strong{color:var(--ink-pale);font-weight:400}.book-detail-progress{margin-bottom:var(--space-lg)}.book-detail-progress-bar{height:6px;background:var(--ink-gray);border-radius:3px;margin-bottom:var(--space-sm)}.book-detail-progress-fill{height:100%;background:var(--ink-white);border-radius:3px}.book-detail-progress span{font-size:.75rem;color:var(--ink-light)}.book-detail-actions{display:flex;gap:var(--space-sm);flex-wrap:wrap}.btn-danger{color:var(--ink-pale);border-color:var(--glass-border)}.btn-danger:hover{background:var(--glass-hover);border-color:var(--ink-light)}.no-results{text-align:center;padding:var(--space-3xl);color:var(--ink-light)}.no-results svg{width:60px;height:60px;margin-bottom:var(--space-md);opacity:.3}@media (max-width: 768px){.continue-card{padding:var(--space-md)}.continue-cover{width:50px;height:65px}.continue-info h3{font-size:1rem}.shelf-stats{gap:var(--space-lg);padding:var(--space-md)}.stat-value{font-size:1.25rem}.search-box{order:10;width:100%;margin-top:var(--space-sm)}.search-box input{width:100%}.view-header{flex-wrap:wrap}.book-detail-modal{flex-direction:column;align-items:center;text-align:center}.book-detail-actions{justify-content:center}}@media (max-width: 480px){.continue-btn{width:40px;height:40px}.shelf-stats{justify-content:space-around}}.drop-zone-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a0af2;display:none;align-items:center;justify-content:center;z-index:500;animation:fadeIn var(--duration-fast) var(--ease-out)}.drop-zone-overlay.active{display:flex}.drop-zone-content{text-align:center;padding:var(--space-3xl);border:2px dashed var(--ink-mid);border-radius:var(--radius-xl);max-width:400px;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{border-color:var(--ink-mid)}50%{border-color:var(--ink-white)}}.drop-zone-content svg{width:80px;height:80px;color:var(--ink-light);margin-bottom:var(--space-lg)}.drop-zone-content h3{font-size:1.25rem;font-weight:400;margin-bottom:var(--space-sm)}.drop-zone-content p{font-size:.875rem;color:var(--ink-light)}.drop-zone-formats{display:flex;justify-content:center;gap:var(--space-sm);margin-top:var(--space-lg)}.drop-zone-formats span{padding:var(--space-xs) var(--space-sm);background:var(--glass-bg);border-radius:var(--radius-sm);font-size:.75rem;font-family:Space Mono,monospace;color:var(--ink-pale)}.book-card{position:relative;aspect-ratio:2/3;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:all var(--duration-normal) var(--ease-out);background:var(--ink-gray);transform-style:preserve-3d;perspective:1000px}.book-card:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.1) 0%,transparent 50%,rgba(0,0,0,.2) 100%);opacity:0;transition:opacity var(--duration-normal) var(--ease-out);pointer-events:none}.book-card:hover{transform:translateY(-12px) rotateX(5deg);box-shadow:0 25px 50px #00000080,0 0 0 1px #ffffff1a}.book-card:hover:after{opacity:1}.book-progress-ring{position:absolute;top:var(--space-sm);right:var(--space-sm);width:36px;height:36px;z-index:2}.book-progress-ring svg{transform:rotate(-90deg)}.book-progress-ring circle{fill:none;stroke-width:3}.book-progress-ring .progress-bg{stroke:#fff3}.book-progress-ring .progress-value{stroke:var(--ink-white);stroke-linecap:round;transition:stroke-dashoffset var(--duration-normal) var(--ease-out)}.book-progress-ring span{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:.5rem;font-family:Space Mono,monospace;color:var(--ink-white)}.book-format-tag{position:absolute;bottom:var(--space-sm);left:var(--space-sm);padding:2px 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var(--ease-out)}.batch-actions.active{transform:translate(-50%) translateY(0);opacity:1;pointer-events:auto}.batch-actions span{font-size:.875rem;color:var(--ink-pale)}.batch-actions button{padding:var(--space-sm) var(--space-md);font-size:.875rem}.format-filters{display:flex;gap:var(--space-sm);margin-bottom:var(--space-lg);font-family:DoodleLatin,DoodleCJK,sans-serif}.format-filter{padding:var(--space-xs) var(--space-md);background:transparent;border:1px solid var(--glass-border);border-radius:var(--radius-md);color:var(--ink-light);font-family:inherit;font-size:.75rem;cursor:pointer;transition:all var(--duration-fast) var(--ease-out)}.format-filter:hover{border-color:var(--ink-light);color:var(--ink-white)}.format-filter.active{background:var(--ink-white);border-color:var(--ink-white);color:var(--ink-black)}.format-filter .count{margin-left:var(--space-xs);opacity:.7}.shelf-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md);margin-bottom:var(--space-xl)}.stat-item{display:flex;flex-direction:column;align-items:center;padding:var(--space-lg);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);transition:all var(--duration-fast) var(--ease-out)}.stat-icon{width:32px;height:32px;margin-bottom:var(--space-sm);color:var(--ink-light)}.continue-card{position:relative;overflow:hidden}.continue-card:before{content:"";position:absolute;top:1px;left:1px;right:1px;height:3px;background:linear-gradient(90deg,var(--ink-white) var(--progress, 0%),transparent var(--progress, 0%))}@media (min-width: 1400px){.books-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}}@media (hover: none){.book-card:hover{transform:none;box-shadow:none}.book-card:active{transform:scale(.98)}.book-format-tag,.book-actions{opacity:1}}.shelf-welcome{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xl);padding:var(--space-xl);background:linear-gradient(135deg,#ffffff0d,#ffffff05);border:1px solid var(--glass-border);border-radius:var(--radius-xl);position:relative;overflow:hidden}.shelf-welcome .welcome-text{opacity:1;transform:translateY(0);transition:opacity .36s cubic-bezier(.22,1,.36,1),transform .36s cubic-bezier(.22,1,.36,1);will-change:opacity,transform}.shelf-welcome.welcome-switching .welcome-text{opacity:0;transform:translateY(6px)}@media (prefers-reduced-motion: reduce){.shelf-welcome .welcome-text{transition:none}.shelf-welcome.welcome-switching .welcome-text{opacity:1;transform:none}}.shelf-welcome:before{content:"";position:absolute;top:-50%;right:-20%;width:300px;height:300px;background:radial-gradient(circle,rgba(255,255,255,.03) 0%,transparent 70%);pointer-events:none}.welcome-text h2{font-size:1.625rem;font-weight:400;margin-bottom:var(--space-xs);background:none;-webkit-background-clip:border-box;-webkit-text-fill-color:currentColor;background-clip:border-box;color:var(--ink-light)}.welcome-text p{font-size:.9375rem;color:var(--ink-light)}.daily-goal{display:flex;align-items:center;gap:var(--space-md)}.goal-ring{position:relative;width:60px;height:60px}.goal-ring svg{transform:rotate(-90deg)}.goal-ring circle{fill:none;stroke-width:4}.goal-ring .goal-bg{stroke:var(--ink-gray)}.goal-ring .goal-value{stroke:var(--ink-white);stroke-linecap:round;stroke-dasharray:163.36;stroke-dashoffset:163.36;transition:stroke-dashoffset 1s var(--ease-out)}.goal-ring span{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-family:Space Mono,monospace;font-weight:700}.goal-info{display:flex;flex-direction:column;gap:2px}.goal-label{font-size:.75rem;color:var(--ink-light)}.goal-target{font-size:.875rem;color:var(--ink-pale)}.shelf-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md);margin-bottom:var(--space-xl)}.stat-item{display:flex;flex-direction:column;align-items:center;padding:var(--space-lg);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);transition:all var(--duration-fast) var(--ease-out);cursor:default}.stat-item:hover{background:var(--glass-hover);transform:translateY(-2px)}.stat-icon{width:24px;height:24px;margin-bottom:var(--space-sm);color:var(--ink-light)}.stat-value{font-size:1.5rem;font-family:Space Mono,monospace;font-weight:700;color:var(--ink-white);line-height:1}.stat-label{font-size:.75rem;color:var(--ink-light);margin-top:var(--space-xs)}.recent-timeline{margin-bottom:var(--space-xl)}.timeline-title{font-size:.875rem;font-weight:400;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-light);margin-bottom:var(--space-md)}.timeline-items{display:flex;gap:var(--space-md);overflow-x:auto;padding-bottom:var(--space-sm);padding-top:2px;scrollbar-width:none}.timeline-items::-webkit-scrollbar{display:none}.timeline-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);min-width:250px;cursor:pointer;transition:all var(--duration-fast) var(--ease-out)}.timeline-item:hover{background:var(--glass-hover);transform:translateY(-2px)}.timeline-cover{width:40px;height:55px;border-radius:var(--radius-sm);background:var(--ink-gray);overflow:hidden;flex-shrink:0}.timeline-cover img{width:100%;height:100%;object-fit:cover}.timeline-info{flex:1;min-width:0}.timeline-info h4{font-size:.875rem;font-weight:500;color:var(--ink-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.timeline-info span{font-size:.75rem;color:var(--ink-light)}.timeline-time{font-size:.625rem;font-family:Space Mono,monospace;color:var(--ink-mid);white-space:nowrap}.upload-progress-overlay{position:fixed;bottom:var(--space-xl);right:var(--space-xl);background:var(--ink-dark);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-md) var(--space-lg);min-width:280px;z-index:100;display:none;animation:slideUp var(--duration-normal) var(--ease-out)}@keyframes 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ease-in-out infinite}.shelf-decoration-2{bottom:20%;left:10%;width:150px;height:150px;background:radial-gradient(circle,rgba(255,255,255,.015) 0%,transparent 70%);border-radius:50%;animation:float 10s ease-in-out infinite reverse}@media (max-width: 1024px){.shelf-stats{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.shelf-welcome{flex-direction:column;align-items:flex-start;gap:var(--space-lg)}.welcome-text h2{font-size:1.5rem}.daily-goal{width:100%;justify-content:space-between;padding:var(--space-md);background:var(--glass-bg);border-radius:var(--radius-md)}.shelf-stats{grid-template-columns:repeat(2,1fr)}.timeline-item{min-width:200px}}@media (max-width: 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