:root{--bg-primary: #0b1120;--bg-secondary: #162032;--bg-card: #162032;--bg-card-hover: #1e2c44;--bg-input: #0b1120;--border-color: #24344d;--border-focus: #3b82f6;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--primary: #3b82f6;--primary-hover: #2563eb;--primary-light: rgba(59, 130, 246, .12);--success: #10b981;--success-light: rgba(16, 185, 129, .12);--warning: #f59e0b;--danger: #ef4444;--danger-light: rgba(239, 68, 68, .12);--radius-xs: 4px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--shadow: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 12px 30px rgba(0, 0, 0, .5);--font-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Fira Code", monospace}*{box-sizing:border-box;margin:0;padding:0}html{overflow-x:hidden;max-width:100vw}body{font-family:var(--font-main);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.45;-webkit-font-smoothing:antialiased;overflow-x:hidden;max-width:100vw;width:100%}.btn-text-short{display:none}.app-container{max-width:1100px;margin:0 auto;padding:16px 20px 24px;min-height:100vh;display:flex;flex-direction:column}.header{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--border-color);margin-bottom:16px;flex-wrap:wrap;gap:12px}.header-left{display:flex;align-items:center;gap:10px}.logo-icon{font-size:24px;background:var(--bg-secondary);padding:6px 10px;border-radius:var(--radius-md);border:1px solid var(--border-color)}.site-title{font-size:20px;font-weight:700;letter-spacing:-.4px}.site-host{font-size:12px;color:var(--text-muted);font-family:var(--font-mono)}.header-actions{display:flex;gap:8px;align-items:center}.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease;border:1px solid transparent;text-decoration:none;white-space:nowrap}.btn-compact{padding:6px 12px;font-size:12px}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{background-color:var(--bg-card-hover);border-color:#3b4e6d}.btn-link{background:none;border:none;color:var(--primary);cursor:pointer;display:inline-flex;align-items:center;gap:5px;font-size:12px}.btn-link:hover{text-decoration:underline}.btn-icon{background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;padding:2px 6px;border-radius:var(--radius-sm)}.btn-icon:hover{color:var(--text-primary);background:var(--bg-primary)}.btn-sm{padding:3px 8px;font-size:11px;line-height:1.25;min-height:24px;border-radius:var(--radius-xs)}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md)}.card-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border-color)}.card-title{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px}.search-bar{padding:12px 14px;margin-bottom:12px;display:flex;flex-direction:column;gap:10px}.search-input-wrapper{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:12px;color:var(--text-muted);pointer-events:none}.search-input-wrapper input{width:100%;background-color:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:9px 14px 9px 36px;font-size:14px;color:var(--text-primary);transition:border-color .15s}.search-input-wrapper input:focus{outline:none;border-color:var(--border-focus)}.btn-clear{position:absolute;right:10px;background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer}.filter-controls{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}.format-tags{display:flex;gap:6px;flex-wrap:wrap}.tag{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);padding:3px 10px;border-radius:14px;font-size:11px;font-weight:500;cursor:pointer;transition:all .15s}.tag:hover{background:var(--bg-card-hover);color:var(--text-primary)}.tag.active{background:var(--primary);border-color:var(--primary);color:#fff}.filter-right-group{display:flex;align-items:center;gap:10px}.folder-wrapper,.sort-wrapper{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary)}.folder-wrapper select,.sort-wrapper select{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:4px 8px;border-radius:var(--radius-sm);font-size:12px}.folder-wrapper select{max-width:140px}.view-toggle{display:flex;border:1px solid var(--border-color);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-input)}.view-btn{background:transparent;border:none;color:var(--text-muted);padding:4px 8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.view-btn:hover{color:var(--text-primary)}.view-btn.active{background:var(--primary);color:#fff}.stats-bar{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-muted);margin-bottom:10px;padding:0 4px}.library-stats-wrapper{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.active-folder-chip{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:#60a5fa;border:1px solid rgba(59,130,246,.4);border-radius:12px;padding:2px 8px;font-size:11px;font-weight:500}.active-folder-chip button{background:none;border:none;color:#93c5fd;cursor:pointer;font-size:13px;line-height:1;padding:0 2px}.active-folder-chip button:hover{color:#fff}.books-table-wrapper{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden}.books-table-header{display:grid;grid-template-columns:56px 1fr 80px 90px 225px;padding:6px 14px;background:#0003;border-bottom:1px solid var(--border-color);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);align-items:center}.books-list{display:flex;flex-direction:column}.book-row{display:grid;grid-template-columns:56px 1fr 80px 90px 225px;padding:5px 14px;border-bottom:1px solid var(--border-color);align-items:center;font-size:13px;transition:background-color .12s ease}.book-row:last-child{border-bottom:none}.book-row:hover{background-color:var(--bg-card-hover)}.col-format{display:flex;align-items:center}.book-badge-compact{font-size:9px;font-weight:700;text-transform:uppercase;padding:2px 5px;border-radius:3px;letter-spacing:.4px;display:inline-block;text-align:center;min-width:40px}.col-title{display:flex;flex-direction:column;min-width:0;padding-right:12px}.book-title-link{color:var(--text-primary);font-weight:500;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.book-title-link:hover{color:var(--primary)}.book-sub-line{display:flex;align-items:center;gap:8px;margin-top:1px;min-width:0}.book-folder-sub{font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:4px}.book-folder-sub.clickable{cursor:pointer;transition:color .15s ease;-webkit-user-select:none;user-select:none}.book-folder-sub.clickable:hover{color:var(--primary);text-decoration:underline}.book-meta-mobile{display:none;font-size:11px;color:var(--text-muted);font-family:var(--font-mono);white-space:nowrap}.col-size{font-size:12px;color:var(--text-secondary);font-family:var(--font-mono)}.col-date{font-size:12px;color:var(--text-muted)}.col-actions{display:flex;gap:6px;justify-content:flex-end}.books-view-grid{display:block;width:100%}.books-grid-wrapper{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;width:100%}.book-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:10px 12px;display:flex;flex-direction:column;justify-content:space-between;gap:8px;min-width:0;box-sizing:border-box;transition:transform .15s,border-color .15s}.book-card:hover{border-color:#3b4e6d;transform:translateY(-1px)}.book-card-top{display:flex;align-items:flex-start;gap:10px;min-width:0}.book-card-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:6px;border-top:1px solid var(--border-color);font-size:11px;color:var(--text-muted)}.badge-epub{background:#0284c7;color:#fff}.badge-pdf{background:#dc2626;color:#fff}.badge-mobi{background:#7c3aed;color:#fff}.badge-azw3{background:#059669;color:#fff}.badge-audio{background:#ea580c;color:#fff}.badge-other{background:#475569;color:#fff}.empty-state{text-align:center;padding:48px 20px;background:var(--bg-card);border-radius:var(--radius-md);border:1px dashed var(--border-color)}.empty-icon{font-size:32px;margin-bottom:8px}.empty-state h3{font-size:16px;font-weight:600;margin-bottom:4px}.empty-state p{color:var(--text-muted);font-size:13px}.modal{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1000;display:flex;align-items:center;justify-content:center}.modal-backdrop{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000bf;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal-dialog{position:relative;width:90%;max-height:85vh;overflow-y:auto;z-index:1001;background:var(--bg-secondary);box-shadow:var(--shadow-lg)}.modal-upload{max-width:520px}.modal-move{max-width:480px}.move-book-info{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:13px;margin-bottom:6px}.move-label{color:var(--text-muted);font-size:12px}.move-book-title{color:var(--primary);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.modal-api{max-width:650px}.modal-preview{max-width:1000px;width:95vw;height:90vh;max-height:900px;display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden}.reader-header{padding:10px 16px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);background:var(--bg-card);gap:12px;flex-shrink:0}.reader-title-group{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.reader-icon{font-size:20px;flex-shrink:0}.reader-titles{min-width:0;overflow:hidden}.reader-book-title{font-size:14px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-book-sub{font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.reader-toolbar{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);gap:10px;flex-shrink:0}.reader-nav-group{display:flex;align-items:center;gap:6px}.reader-location{font-size:12px;color:var(--text-secondary);font-family:var(--font-mono);min-width:75px;text-align:center}.reader-options-group{display:flex;align-items:center;gap:10px}.font-size-controls,.theme-picker{display:flex;gap:4px}.theme-btn{background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-xs);padding:2px 6px;cursor:pointer;font-size:12px;transition:all .15s}.theme-btn:hover{background:var(--bg-card-hover)}.theme-btn.active{border-color:var(--primary);background:var(--primary-light)}.reader-container{flex:1;position:relative;overflow:hidden;display:flex;flex-direction:column;background-color:#111827;transition:background-color .2s,color .2s}.reader-theme-dark{background-color:#0f172a!important;color:#f1f5f9!important}.reader-theme-sepia{background-color:#fbf0d9!important;color:#45321e!important}.reader-theme-light{background-color:#fff!important;color:#0f172a!important}.reader-area{width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden}.reader-area iframe,.epub-container,.epub-view{width:100%!important;max-width:100%!important;overflow:hidden!important}.pdf-frame{width:100%;height:100%;border:none;background:#2d3748}.audio-area{display:flex;align-items:center;justify-content:center;height:100%;padding:24px}.audio-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:30px;max-width:460px;width:100%;text-align:center;box-shadow:var(--shadow)}.audio-icon{font-size:48px;margin-bottom:12px}.audio-card h3{font-size:16px;font-weight:600;margin-bottom:16px}.audio-card audio{width:100%;margin-bottom:16px}.audio-speed-controls{display:flex;align-items:center;justify-content:center;gap:6px;font-size:12px;color:var(--text-muted)}.speed-btn{background:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-secondary);padding:2px 8px;border-radius:var(--radius-xs);cursor:pointer;font-size:11px}.speed-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.text-area{width:100%;height:100%;overflow-y:auto;padding:24px;font-family:var(--font-mono);font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.reader-loading{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#0f172ad9;z-index:10;color:var(--text-secondary);font-size:13px}.spinner{width:28px;height:28px;border:3px solid rgba(59,130,246,.2);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn-preview{background:#3b82f626;color:#60a5fa;border-color:#3b82f64d}.btn-preview:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.modal-body{padding:16px 20px;display:flex;flex-direction:column;gap:14px}.modal-desc{font-size:13px;color:var(--text-secondary)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}.drop-zone{position:relative;border:2px dashed var(--border-color);border-radius:var(--radius-md);padding:24px 16px;text-align:center;cursor:pointer;background:#00000026;transition:border-color .15s,background-color .15s}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--primary);background-color:var(--primary-light)}.file-input{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.drop-icon{font-size:28px;margin-bottom:6px}.drop-prompt{font-size:14px;margin-bottom:4px}.drop-subtext{font-size:11px;color:var(--text-muted)}.selected-file-info{margin-top:10px;padding:6px 12px;background-color:var(--bg-primary);border-radius:var(--radius-sm);display:inline-flex;gap:10px;align-items:center;border:1px solid var(--border-color)}.selected-file-info .file-name{font-weight:600;color:var(--primary);font-family:var(--font-mono);font-size:12px}.selected-file-info .file-size{color:var(--text-muted);font-size:11px}.upload-options{display:flex;flex-direction:column;gap:10px}.input-group{display:flex;flex-direction:column;gap:4px}.input-group label{font-size:12px;color:var(--text-secondary)}.input-group input[type=text]{width:100%;background-color:var(--bg-input);border:1px solid var(--border-color);padding:7px 10px;border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px}.input-group input[type=text]:focus{outline:none;border-color:var(--border-focus)}.checkbox-group label{font-size:12px;color:var(--text-secondary);display:flex;align-items:center;gap:6px;cursor:pointer}.progress-container{margin-top:6px}.progress-bar-bg{width:100%;height:6px;background-color:var(--bg-primary);border-radius:3px;overflow:hidden}.progress-bar-fill{height:100%;background-color:var(--primary);transition:width .2s ease}.progress-text{display:flex;justify-content:space-between;font-size:11px;color:var(--text-muted);margin-top:4px}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:12px;line-height:1.4}.alert-success{background-color:var(--success-light);border:1px solid var(--success);color:#34d399}.alert-error{background-color:var(--danger-light);border:1px solid var(--danger);color:#f87171}.api-doc-block{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:12px}.api-doc-block h4{font-size:13px;color:var(--primary);margin-bottom:6px}.api-doc-block pre{background:#020617;padding:8px 10px;border-radius:var(--radius-sm);overflow-x:auto;font-family:var(--font-mono);font-size:11px;color:#e2e8f0}.footer{margin-top:auto;padding-top:18px;border-top:1px solid var(--border-color);text-align:center;font-size:11px;color:var(--text-muted)}.footer code{font-family:var(--font-mono);background:var(--bg-secondary);padding:2px 5px;border-radius:3px}.hidden{display:none!important}@media (max-width: 768px){.books-table-header{grid-template-columns:50px 1fr 75px 135px}.books-table-header .th-date{display:none}.book-row{grid-template-columns:50px 1fr 75px 135px}.col-date{display:none}}@media (max-width: 640px){.app-container{padding:12px 10px 24px;max-width:100%}.header{flex-direction:column;align-items:stretch;gap:12px;margin-bottom:12px;padding-bottom:12px}.header-left{justify-content:flex-start}.header-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;width:100%}.header-actions .btn{justify-content:center;padding:7px 4px;font-size:11px}.search-bar{padding:12px 10px;margin-bottom:12px}.search-input-wrapper input,.input-group input[type=text]{font-size:16px}.filter-controls{flex-direction:column;align-items:stretch;gap:8px}.format-tags{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px;gap:6px;scrollbar-width:none}.format-tags::-webkit-scrollbar{display:none}.filter-right-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;width:100%}.folder-wrapper,.sort-wrapper{display:flex;align-items:center;gap:4px;font-size:11px;flex:1 1 120px;min-width:0}.folder-wrapper select,.sort-wrapper select{width:100%;min-width:0;max-width:100%;text-overflow:ellipsis;padding:5px 6px;font-size:11px}.view-toggle{flex-shrink:0;margin-left:auto}.books-table-header{display:none}.books-table-wrapper{border-radius:var(--radius-sm)}.book-row{display:grid;grid-template-columns:44px 1fr;grid-template-rows:auto auto;gap:4px 8px;padding:6px 8px;border-bottom:1px solid var(--border-color)}.col-format{grid-column:1 / 2;grid-row:1 / 2;align-items:flex-start;padding-top:2px}.col-title{grid-column:2 / 3;grid-row:1 / 2;padding-right:0;min-width:0}.book-title-link{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.3;font-size:13px;word-break:break-word}.book-sub-line{display:flex;align-items:center;gap:4px;flex-wrap:wrap;margin-top:2px}.book-folder-sub{font-size:11px;color:var(--text-muted)}.book-meta-mobile{display:inline-block;font-size:11px;color:var(--text-muted);font-family:var(--font-mono)}.col-size,.col-date{display:none}.col-actions{grid-column:1 / 3;grid-row:2 / 2;display:flex;gap:5px;width:100%;margin-top:2px}.col-actions .btn{flex:1;min-width:0;justify-content:center;padding:4px 6px;font-size:11px;line-height:1.2;min-height:26px}.books-view-grid{display:block;width:100%}.books-grid-wrapper{grid-template-columns:1fr;gap:8px;width:100%;min-width:0}.book-card{padding:10px;gap:8px;width:100%;min-width:0;box-sizing:border-box}.book-card-bottom{flex-direction:column;align-items:stretch;gap:6px;padding-top:6px}.book-card-bottom .col-actions{width:100%;display:flex;gap:5px}.modal-dialog{width:95vw;max-width:95vw;margin:8px auto}.modal-dialog.modal-preview{width:100vw!important;max-width:100vw!important;height:100vh!important;height:100dvh!important;max-height:100vh!important;max-height:100dvh!important;border-radius:0!important;margin:0!important;position:fixed!important;top:0!important;left:0!important;right:0!important;bottom:0!important;border:none!important;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}.reader-header{padding:8px 12px}.reader-toolbar{padding:6px 10px;gap:6px;overflow-x:auto;-webkit-overflow-scrolling:touch}.reader-nav-group .btn-sm{padding:4px 8px;font-size:11px}.reader-location{font-size:11px;min-width:60px}.font-size-controls .btn-sm{padding:4px 6px;font-size:11px}.theme-btn{padding:2px 4px;font-size:11px}}@media (max-width: 480px){.btn-text-full{display:none}.btn-text-short{display:inline}}