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0 4px 8px rgba(0,0,0,.08);--transition: .15s ease;--tag-label: #C62828;--export-name: #2E7D32;--accent-active: #0055B3;--glass: rgba(255,255,255,.85);--glass-strong: rgba(255,255,255,.96);--scrollbar: rgba(0,0,0,.15);--scrollbar-hover: rgba(0,0,0,.28);color-scheme:light}[data-theme=dark]{--bg-app: #1C1C1E;--bg-sidebar: #2C2C2E;--bg-card: #2C2C2E;--bg-input: #1C1C1E;--bg-hover: #3A3A3C;--bg-selected: rgba(10, 132, 255, .22);--separator: #38383A;--separator-strong: #48484A;--text-primary: #F5F5F7;--text-secondary: #AEAEB2;--text-tertiary: #8E8E93;--text-on-accent: #FFFFFF;--accent: #0A84FF;--accent-hover: #409CFF;--accent-active: #0060DF;--accent-light: rgba(10, 132, 255, .2);--accent-glow: rgba(10, 132, 255, .3);--danger: #FF453A;--danger-light: rgba(255, 69, 58, .18);--warning: #FF9F0A;--warning-light: rgba(255, 159, 10, .18);--success: #30D158;--shadow-xs: 0 1px 2px rgba(0,0,0,.3), 0 1px 3px rgba(0,0,0,.4);--shadow-sm: 0 2px 8px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.3);--shadow-md: 0 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var(--transition);text-align:left}.sidebar-group-header:hover{background:var(--bg-hover)}.sidebar-group-header.deleted{background:var(--danger-light)}.sidebar-group-header.untagged{background:var(--bg-app)}.sidebar-group-chevron-btn{color:var(--text-tertiary);flex-shrink:0;display:flex;align-items:center;justify-content:center;width:20px;height:20px;border:none;background:transparent;border-radius:var(--radius-sm);cursor:pointer}.sidebar-group-chevron-btn:hover{background:var(--separator);color:var(--text-primary)}.sidebar-group-names{flex:1;min-width:0;display:flex;align-items:flex-start;flex-wrap:wrap;gap:4px 5px;border:none;background:transparent;cursor:pointer;text-align:left;padding:2px 4px;border-radius:var(--radius-sm);font-size:12px;line-height:1.35}.sidebar-group-names:hover{background:#0000000a}.sidebar-group-names .tag-label-text,.sidebar-group-names 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var(--separator);display:flex;flex-direction:column;gap:0;flex-shrink:0;max-height:320px;overflow-y:auto}.tag-organizer-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px 8px;border-bottom:1px solid var(--separator);background:var(--bg-app);position:sticky;top:0;z-index:1}.tag-help-box{margin:8px 12px;padding:8px 10px;background:var(--warning-light);border-radius:var(--radius-sm);border:1px solid rgba(255,149,0,.2);font-size:11px;color:var(--text-secondary);line-height:1.5}.tag-help-box code{background:#0000000f;border-radius:3px;padding:1px 4px;font-family:SF Mono,Menlo,monospace;font-size:10px}.tag-organizer-list{display:flex;flex-direction:column;padding:6px 0}.tag-organizer-row{display:flex;align-items:center;gap:6px;padding:5px 12px;transition:background var(--transition)}.tag-organizer-row:hover{background:var(--bg-hover)}.tag-organizer-grip{display:flex;flex-direction:column;gap:1px}.btn-xs{width:16px;height:16px;padding:0;font-size:8px;display:flex;align-items:center;justify-content:center;border-radius:3px;border:none;background:transparent;color:var(--text-tertiary);cursor:pointer}.btn-xs:hover:not(:disabled){background:var(--separator);color:var(--text-primary)}.btn-xs:disabled{opacity:.3;cursor:default}.tag-color-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.tag-organizer-label{flex:1;font-size:12px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tag-fixed-part{font-size:12px;color:var(--text-primary)}.tag-var-part{font-size:11px;color:var(--accent);font-style:italic;margin:0 1px}.tag-template-badge{font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);background:var(--accent-light);border-radius:var(--radius-full);padding:1px 5px;flex-shrink:0}.tag-remove-btn{opacity:0;transition:opacity var(--transition)}.tag-organizer-row:hover .tag-remove-btn{opacity:1}.tag-organizer-add{display:flex;gap:6px;align-items:center;padding:8px 12px;border-top:1px solid var(--separator);background:var(--bg-app);position:sticky;bottom:0}.settings-panel{position:absolute;top:52px;right:16px;z-index:200;background:var(--bg-card);border:1px solid var(--separator);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:16px;width:280px;display:flex;flex-direction:column;gap:14px}.settings-section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);margin-bottom:6px}.preset-list{display:flex;flex-wrap:wrap;gap:6px}.preset-chip{display:inline-flex;align-items:center;gap:4px;background:var(--bg-hover);border:1px solid var(--separator);border-radius:var(--radius-full);padding:3px 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var(--transition);z-index:10;cursor:pointer;color:#fff;flex-shrink:0}.thumb-card:hover .thumb-select-dot,.thumb-card.selected .thumb-select-dot{opacity:1}.thumb-select-dot.checked{background:var(--accent);border-color:var(--accent);opacity:1}.thumb-card.selected{border-color:var(--accent);background:var(--accent-light)}.thumb-card.selected .thumb-num{color:var(--accent)}.thumb-card.split-active{border-color:#34c759;background:#34c75914}.thumb-card.split-active .thumb-num{color:#34c759}.preview-pane.pane-active{box-shadow:inset 0 0 0 2px var(--accent);border-radius:6px}.preview-pane.pane-active:after{content:"Active";position:absolute;top:8px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:2px 8px;border-radius:var(--radius-full);pointer-events:none;z-index:5}.zoom-controls{display:flex;align-items:center;gap:2px;background:var(--bg-hover);border:1px solid var(--separator);border-radius:var(--radius-sm);padding:2px 4px}.zoom-label{font-size:12px;font-weight:600;color:var(--text-secondary);padding:2px 8px;min-width:44px;text-align:center;border-radius:var(--radius-sm);transition:all var(--transition);cursor:pointer}.zoom-label:hover{background:#fff;color:var(--text-primary)}.zoom-controls .btn-icon{padding:4px}.zoom-controls 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10px;border-radius:var(--radius-full);white-space:nowrap;pointer-events:none}.preview-pane.section-grid-pane{align-items:stretch;justify-content:stretch;padding:0}.section-grid-preview{flex:1;display:flex;flex-direction:column;min-height:0;min-width:0;width:100%;height:100%;overflow:hidden}.section-grid-scroll{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden}.section-grid-scroll-fit{overflow:hidden}.section-grid{padding:16px 20px 24px;display:grid;gap:14px;align-content:start}.section-grid-fit{min-height:100%;box-sizing:border-box;align-content:center}.section-grid-cell.drag-source{opacity:.38}.sortable-grid-cell{min-width:0;min-height:0}.grid-insert-line{position:absolute;background:var(--danger);z-index:12;pointer-events:none;border-radius:2px;box-shadow:0 0 6px #ff3b308c}.grid-insert-line-before{left:-3px;top:4px;bottom:4px;width:4px}.grid-insert-line-after{right:-3px;top:4px;bottom:4px;width:4px}.grid-drag-overlay{padding:8px 14px;background:var(--bg-card);border:2px solid var(--danger);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);font-size:13px;font-weight:600;color:var(--text-primary);cursor:grabbing}.section-grid-cell{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:4px;padding:6px;border:2px solid transparent;border-radius:var(--radius-md);background:var(--bg-hover);cursor:grab;font-family:inherit;min-width:0;min-height:0;transition:border-color .12s,background .12s,box-shadow .12s}.section-grid-cell:active{cursor:grabbing}.section-grid-cell:hover{background:var(--bg-card);box-shadow:var(--shadow-sm)}.section-grid-cell.active{border-color:var(--accent);background:var(--bg-selected)}.section-grid-cell.selected:not(.active){border-color:#007aff73}.section-grid-cell.deleted{opacity:.55}.section-grid-canvas-wrap{position:relative;width:100%;display:flex;justify-content:center;align-items:center;min-height:0;overflow:visible}.section-grid-spinner{position:absolute;width:18px;height:18px}.section-grid-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--glass);border-radius:3px}.section-grid-page-num{font-size:11px;font-weight:600;color:var(--text-secondary)}.section-grid-empty{flex:1;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-tertiary);padding:24px}.section-grid-canvas{display:block;width:100%;height:100%;object-fit:contain;border-radius:3px;box-shadow:0 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5px;border-radius:var(--radius-full);white-space:nowrap;letter-spacing:.03em}.thumb-deleted-line{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.thumb-deleted-line:after{content:"";position:absolute;top:50%;left:-4px;right:-4px;height:1.5px;background:var(--danger);transform:rotate(-10deg)}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .2s ease forwards}.export-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--text-primary);color:#fff;padding:10px 20px;border-radius:var(--radius-full);font-size:13px;font-weight:500;box-shadow:var(--shadow-lg);z-index:1000;display:flex;align-items:center;gap:8px;animation:fadeIn .2s ease}.tags-toolbar-wrap{position:relative}.btn.tags-panel-open{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}.tags-panel-dropdown{position:absolute;top:calc(100% + 8px);right:0;z-index:250;width:320px;max-height:70vh;overflow-y:auto;background:var(--bg-card);border:1px solid var(--separator);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.tags-panel-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--separator);background:var(--bg-app);position:sticky;top:0;z-index:1}.basic-tags-editor{padding:10px 12px 12px;display:flex;flex-direction:column;gap:10px}.basic-tags-hint{font-size:11px;color:var(--text-secondary);line-height:1.45}.basic-tags-hint kbd{font-size:10px;padding:1px 4px;border-radius:3px;background:var(--bg-hover);border:1px solid var(--separator)}.basic-tags-list{display:flex;flex-direction:column;gap:2px;max-height:240px;overflow-y:auto}.basic-tags-empty{font-size:12px;color:var(--text-tertiary);padding:6px 0}.basic-tags-row{display:flex;align-items:center;gap:6px;padding:4px 2px;border-radius:var(--radius-sm)}.basic-tags-row:hover{background:var(--bg-hover)}.basic-tags-grip{display:flex;flex-direction:column;gap:1px}.basic-tags-key{width:14px;font-size:10px;font-weight:700;color:var(--text-tertiary);text-align:center;flex-shrink:0}.basic-tags-name{flex:1;min-width:0;text-align:left;border:none;background:transparent;font-size:12px;font-weight:500;padding:3px 4px;border-radius:var(--radius-sm);cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.basic-tags-name:hover{background:#0000000a}.basic-tags-rename-input{flex:1;min-width:0;font-size:12px;padding:3px 6px;height:26px}.basic-tags-add{display:flex;gap:6px;align-items:center;padding-top:4px;border-top:1px solid var(--separator)}.basic-tags-row .tag-remove-btn{opacity:0}.basic-tags-row:hover .tag-remove-btn{opacity:1}.page-context-menu{position:fixed;z-index:500;min-width:200px;max-width:300px;max-height:min(600px,88vh);overflow-y:auto;background:var(--bg-card);border:1px solid var(--separator);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:4px}.page-context-menu-title{display:flex;align-items:center;gap:6px;padding:6px 10px 4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-tertiary)}.page-context-menu-title.sub{padding-top:2px}.page-context-menu-item:disabled{opacity:.4;cursor:not-allowed}.page-context-menu-item:disabled:hover{background:transparent}.page-context-menu-empty{padding:6px 10px 8px;font-size:12px;color:var(--text-secondary);line-height:1.4}.page-context-menu-item{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;padding:7px 10px;border:none;background:transparent;border-radius:var(--radius-sm);font-size:13px;text-align:left;cursor:pointer;color:var(--text-primary);transition:background var(--transition)}.page-context-menu-item:hover{background:var(--bg-hover)}.page-context-menu-item.active{background:var(--accent-light)}.page-context-menu-item.danger{color:var(--danger)}.page-context-menu-item.danger:hover{background:var(--danger-light)}.page-context-menu-kbd{font-size:10px;font-weight:700;color:var(--text-tertiary);background:var(--bg-hover);border:1px solid var(--separator);border-radius:4px;padding:1px 5px;flex-shrink:0}.page-context-menu-sep{height:1px;background:var(--separator);margin:4px 6px}.page-context-menu-tags{padding:2px 8px 6px}.page-context-menu-tags .tag-pop-used-list{max-height:240px}.page-context-new-tag{padding:6px 8px 8px;display:flex;flex-direction:column;gap:8px;min-width:200px}.page-context-new-tag input{width:100%;font-size:13px;padding:6px 8px}.page-context-new-tag-actions{display:flex;justify-content:flex-end;gap:6px}