*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--radius: 8px;--radius-lg: 12px;--pane-width: 300px;--header-height: 52px;--input-height: 64px;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg: #0d0e12;--surface: #15161c;--surface2: #1c1d25;--surface3: #24252f;--border: #2c2d3a;--border-soft: #23242f;--text: #e6e6f0;--text-muted: #6b6d80;--accent: #7c7cf8;--accent-hover:#9494fa;--accent-dim: rgba(124, 124, 248, .12);--danger: #f87171;--danger-dim: rgba(248, 113, 113, .12);--shadow-sm: 0 1px 3px rgba(0,0,0,.4);--shadow-md: 0 4px 16px rgba(0,0,0,.5);--shadow-lg: 0 12px 40px rgba(0,0,0,.65)}[data-theme=light]{--bg: #f2f3f8;--surface: #ffffff;--surface2: #ebebf5;--surface3: #e0e1ef;--border: #d0d1e2;--border-soft: #e4e5f2;--text: #1a1b2e;--text-muted: #7072a0;--accent: #6366f1;--accent-hover:#4f52d3;--accent-dim: rgba(99, 102, 241, .1);--danger: #ef4444;--danger-dim: rgba(239, 68, 68, .1);--shadow-sm: 0 1px 3px rgba(80,80,140,.08);--shadow-md: 0 4px 16px rgba(80,80,140,.12);--shadow-lg: 0 12px 40px rgba(80,80,140,.18)}[data-theme-transitioning],[data-theme-transitioning] *,[data-theme-transitioning] *:before,[data-theme-transitioning] *:after{transition:background-color .3s var(--ease-in-out),color .25s var(--ease-in-out),border-color .3s var(--ease-in-out),box-shadow .3s var(--ease-in-out)!important}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}[data-font=mono] body{font-family:ui-monospace,Cascadia Code,Source Code Pro,Menlo,Consolas,monospace}[data-font=serif] body{font-family:ui-serif,Georgia,Times New Roman,serif}[data-font=rounded] body{font-family:ui-rounded,-apple-system,BlinkMacSystemFont,sans-serif}[data-fontsize="12"] body{font-size:12px}[data-fontsize="13"] body{font-size:13px}[data-fontsize="14"] body{font-size:14px}[data-fontsize="15"] body{font-size:15px}[data-fontsize="16"] body{font-size:16px}[data-fontsize="17"] body{font-size:17px}[data-fontsize="18"] body{font-size:18px}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden;background:var(--bg);animation:app-fade-in .3s var(--ease-out)}@keyframes app-fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.app-header{height:var(--header-height);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0;gap:12px;box-shadow:var(--shadow-sm)}.header-left{display:flex;align-items:center;gap:10px}.app-logo{display:block;flex-shrink:0;border-radius:6px}.app-title{font-size:16px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.header-right{display:flex;align-items:center;gap:8px}.view-toggle{display:flex;background:var(--surface2);border:1px solid var(--border);border-radius:6px;overflow:hidden}.view-btn{display:flex;align-items:center;gap:6px;padding:5px 12px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;transition:background .15s,color .15s}.view-btn:hover{background:var(--surface3);color:var(--text)}.view-btn.active{background:var(--accent);color:#fff}.pane-toggle-btn{display:flex;align-items:center;gap:6px;padding:5px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:6px;color:var(--text-muted);cursor:pointer;font-size:13px;transition:background .15s,color .15s}.pane-toggle-btn:hover{background:var(--surface3);color:var(--text)}.pane-toggle-btn.active{border-color:var(--accent);color:var(--accent)}.theme-toggle-btn{background:none;border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);cursor:pointer;font-size:15px;padding:5px 9px;line-height:1;transition:background .15s,color .15s}.theme-toggle-btn:hover{background:var(--surface3);color:var(--text)}.tooltip-content{background:var(--surface3);color:var(--text);border:1px solid var(--border);border-radius:5px;padding:5px 10px;font-size:12px;line-height:1.4;box-shadow:0 4px 12px var(--shadow);z-index:9999;animation:tooltip-in .1s ease}@keyframes tooltip-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.tooltip-arrow{fill:var(--surface3)}.scroll-area-root{overflow:hidden;width:100%;height:100%}.scroll-area-viewport{width:100%;height:100%}.scroll-area-viewport>div{display:flex!important;flex-direction:column;min-height:100%}.quadrant-tasks .scroll-area-viewport>div{padding:10px;gap:6px}.scroll-area-scrollbar{display:flex;-webkit-user-select:none;user-select:none;touch-action:none;padding:2px;background:transparent;transition:background .15s;width:8px}.scroll-area-scrollbar:hover{background:var(--surface2)}.scroll-area-thumb{flex:1;background:var(--border);border-radius:4px;position:relative;cursor:pointer;transition:background .15s}.scroll-area-thumb:hover{background:var(--text-muted)}.alert-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:200;animation:fade-in .15s ease}.alert-content{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;width:380px;max-width:calc(100vw - 32px);z-index:201;box-shadow:var(--shadow-lg);animation:dialog-in .2s var(--ease-out)}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes dialog-in{0%{opacity:0;transform:translate(-50%,-48%)}to{opacity:1;transform:translate(-50%,-50%)}}.alert-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:8px}.alert-description{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:20px}.alert-actions{display:flex;justify-content:flex-end;gap:8px}.alert-cancel{padding:7px 16px;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:13px;cursor:pointer;transition:background .15s}.alert-cancel:hover{background:var(--surface2)}.alert-confirm{padding:7px 16px;background:var(--accent);border:none;border-radius:6px;color:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s}.alert-confirm:hover{background:var(--accent-hover)}.alert-confirm.danger{background:var(--danger)}.alert-confirm.danger:hover{background:#dc2626}.dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:200;animation:fade-in .2s var(--ease-out);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.dialog-content{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:460px;max-width:calc(100vw - 32px);max-height:80vh;overflow-y:auto;z-index:201;box-shadow:var(--shadow-lg);animation:dialog-in .22s var(--ease-out);display:flex;flex-direction:column}.dialog-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 14px;border-bottom:1px solid var(--border);flex-shrink:0}.dialog-title{font-size:15px;font-weight:600;color:var(--text)}.dialog-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;padding:4px 6px;border-radius:5px;line-height:1;transition:background .15s,color .15s}.dialog-close:hover{background:var(--surface3);color:var(--text)}.settings-tabs{display:flex;flex-direction:column;flex:1}.settings-tab-list{display:flex;gap:2px;padding:12px 20px 0;border-bottom:1px solid var(--border)}.settings-tab-trigger{background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);cursor:pointer;font-size:13px;font-weight:500;padding:6px 12px 10px;margin-bottom:-1px;transition:color .15s,border-color 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.15s;text-align:left}.settings-font-btn:hover{background:var(--surface3)}.settings-font-btn.active{border-color:var(--accent);background:var(--accent-dim)}.settings-font-sample{font-size:18px;opacity:.5;line-height:1}.settings-slider{position:relative;display:flex;align-items:center;height:20px;cursor:pointer}.settings-slider-track{background:var(--surface3);border-radius:9999px;flex:1;height:4px;position:relative;overflow:hidden}.settings-slider-range{position:absolute;background:var(--accent);height:100%;border-radius:9999px}.settings-slider-thumb{display:block;width:16px;height:16px;background:var(--accent);border-radius:50%;box-shadow:0 1px 4px #0000004d;transition:box-shadow .15s;outline:none}.settings-slider-thumb:hover{box-shadow:0 0 0 6px var(--accent-dim)}.settings-slider-thumb:focus{box-shadow:0 0 0 6px var(--accent-dim)}.settings-slider-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--text-muted);margin-top:2px}.settings-hint-text{font-size:12px;color:var(--text-muted);line-height:1.5;margin-bottom:-8px}.settings-row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--surface2);border-radius:var(--radius);gap:12px}.settings-row-label{display:flex;flex-direction:column;gap:2px}.settings-row-name{font-size:13px;font-weight:500}.settings-row-hint{font-size:11px;color:var(--text-muted)}.settings-sla-input-wrap{display:flex;align-items:center;gap:6px;flex-shrink:0}.settings-input{width:72px;background:var(--surface3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:13px;padding:5px 8px;text-align:right;outline:none;transition:border-color .15s}.settings-input:focus{border-color:var(--accent)}.settings-unit{font-size:12px;color:var(--text-muted)}.sp-page{display:flex;flex:1;overflow:hidden}.sp-nav{width:180px;flex-shrink:0;border-right:1px solid var(--border);padding:24px 0;display:flex;flex-direction:column;gap:2px}.sp-nav-item{text-align:left;padding:8px 20px;font-size:13px;background:none;border:none;color:var(--text-muted);cursor:pointer;border-radius:0;transition:background .12s,color .12s}.sp-nav-item:hover{background:var(--surface2);color:var(--text)}.sp-nav-item.active{color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);font-weight:500}.sp-content{flex:1;overflow-y:auto;padding:32px 40px}.sp-section{display:flex;flex-direction:column;gap:20px;max-width:560px}.sp-section-header{display:flex;align-items:center;justify-content:space-between}.sp-section-title{font-size:16px;font-weight:600;color:var(--text);margin:0}.sp-delete-desc{font-size:13px;color:var(--text-muted);margin:0}.qc-list{display:flex;flex-direction:column;gap:4px}.qc-row{border-radius:8px;background:var(--surface2);border:1px solid var(--border);overflow:hidden}.qc-row--expanded{border-color:var(--accent)}.qc-row-header{display:flex;align-items:center;gap:10px;padding:10px 12px}.qc-expand{display:flex;flex-direction:column;gap:10px;padding:12px;border-top:1px solid var(--border);background:var(--surface)}.qc-sla-chip{font-size:11px;padding:2px 7px;border-radius:4px;background:var(--surface3);color:var(--text-muted);white-space:nowrap}.qc-field-row{display:flex;align-items:center;gap:8px}.qc-field-label{font-size:12px;color:var(--text-muted);white-space:nowrap;min-width:80px}.qc-field-unit{font-size:12px;color:var(--text-muted);white-space:nowrap}.qc-input--num{width:64px}.qc-icon{font-size:18px;line-height:1}.qc-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.qc-meta{flex:1;display:flex;flex-direction:column;gap:2px}.qc-label{font-size:13px;font-weight:500}.qc-subtitle{font-size:11px;color:var(--text-muted)}.qc-actions{display:flex;gap:6px}.qc-btn{padding:3px 8px;border-radius:5px;border:1px solid var(--border);background:var(--surface3);color:var(--text-muted);font-size:12px;cursor:pointer}.qc-btn:hover:not(:disabled){color:var(--text);background:var(--surface3)}.qc-btn:disabled{opacity:.35;cursor:default}.qc-btn--danger:hover:not(:disabled){color:#ef4444;border-color:#ef4444}.qc-btn--move{background:transparent;border-color:transparent;color:var(--text-muted)}.qc-btn--move:hover:not(:disabled){background:var(--surface3);border-color:var(--border);color:var(--text)}.qc-add-form{display:flex;flex-direction:column;gap:10px;padding:14px;border:1px dashed var(--border);border-radius:8px;margin-top:4px}.qc-input{padding:6px 10px;border-radius:6px;border:1px solid var(--border);background:var(--surface2);color:var(--text);font-size:13px;outline:none}.qc-input:focus{border-color:var(--accent)}.qc-input--icon{width:60px}.qc-color-palette{display:flex;gap:8px;flex-wrap:wrap}.qc-color-swatch{width:22px;height:22px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .1s}.qc-color-swatch:hover{transform:scale(1.15)}.qc-color-swatch.active{border-color:var(--text);transform:scale(1.1)}.quadrant-grid-auto{display:grid;grid-template-columns:repeat(2,1fr);gap:0;height:100%;width:100%}.sync-panel{display:flex;flex-direction:column;gap:20px}.sync-section{display:flex;flex-direction:column;gap:10px}.sync-divider{height:1px;background:var(--border)}.sync-btn{align-self:flex-start;padding:6px 14px;border-radius:6px;border:1px solid var(--border);background:var(--surface2);color:var(--text);font-size:13px;cursor:pointer;transition:background .15s}.sync-btn:hover:not(:disabled){background:var(--surface3)}.sync-btn:disabled{opacity:.5;cursor:default}.sync-btn--danger{border-color:#ef4444;color:#ef4444}.sync-btn--danger:hover:not(:disabled){background:color-mix(in srgb,#ef4444 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8px;border-radius:4px;background:var(--surface3);color:var(--text-muted)}.sync-confirm-warning{font-size:12px;color:#f59e0b;margin:0}.sync-confirm-actions{display:flex;gap:8px}.workspace{display:flex;flex:1;overflow:hidden;min-height:0}.main-area{flex:1;overflow:hidden;padding:14px;display:flex;flex-direction:column;min-height:0}.loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted)}.quadrant-container{display:flex;flex-direction:column;flex:1;min-height:0;padding:10px}.quadrant-row{display:flex;flex-direction:row;min-height:0}.sidebyside-container{display:flex;flex-direction:row;flex:1;min-height:0;padding:10px;gap:0}.grid-splitter{background:var(--border);flex-shrink:0;transition:background .15s;position:relative;z-index:5}.grid-splitter:hover,.grid-splitter:active{background:var(--accent)}.grid-splitter-v{width:5px;cursor:col-resize}.grid-splitter-h{height:5px;width:100%;cursor:row-resize}.quadrant-panel{background:var(--surface);border:1px solid var(--border);border-top:3px solid var(--quadrant-color, var(--accent));border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden;transition:border-color .2s,box-shadow .2s,background .2s;min-width:0;min-height:0;box-shadow:var(--shadow-sm)}.quadrant-panel.drag-over{border-color:var(--quadrant-color, var(--accent));background:color-mix(in srgb,var(--quadrant-color, var(--accent)) 8%,var(--surface));box-shadow:var(--shadow-md)}.quadrant-label{display:block;font-weight:600;font-size:13px;color:var(--quadrant-color, var(--text))}.quadrant-subtitle{display:block;font-size:11px;color:var(--text-muted);margin-top:1px}.quadrant-tasks{flex:1;min-height:0}.quadrant-empty{color:var(--text-muted);font-size:12px;text-align:center;padding:20px 0;border:1px dashed var(--border);border-radius:6px;margin:4px}.task-card{display:flex;flex-direction:column;background:var(--surface2);border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:background .15s,border-color .15s,transform .15s var(--ease-out),box-shadow .15s;-webkit-user-select:none;user-select:none;overflow:hidden}.task-card-row{display:flex;align-items:center;gap:6px;padding:7px 9px}.task-card:hover{background:var(--surface3);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.task-card.selected{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--surface2))}.task-card.done .task-title{text-decoration:line-through;color:var(--text-muted)}.task-card.drag-overlay{box-shadow:0 8px 24px #00000080;border-color:var(--accent);cursor:grabbing}.drag-handle{color:var(--text-muted);cursor:grab;font-size:14px;flex-shrink:0;touch-action:none}.drag-handle:active{cursor:grabbing}.task-check{flex-shrink:0;accent-color:var(--accent);width:15px;height:15px;cursor:pointer}.task-body{flex:1;overflow:hidden;display:flex;flex-direction:column;gap:2px}.task-title{font-size:13px;word-break:break-word}.task-eta{font-size:11px;color:var(--text-muted)}.task-delete{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:11px;padding:2px 4px;border-radius:4px;opacity:0;transition:opacity .15s,color .15s;flex-shrink:0}.task-card:hover .task-delete{opacity:1}.task-delete:hover{color:var(--danger)}.task-expand-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:16px;padding:1px 4px;border-radius:4px;flex-shrink:0;opacity:0;transition:opacity .15s,color .15s,transform .15s;line-height:1;transform:rotate(0)}.task-card:hover 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