*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--accent: #2564cf;--accent-hover: #1b4ea3;--accent-light: #e8f0fe;--bg-app: #faf9f8;--bg-sidebar: #f3f2f1;--bg-card: #ffffff;--bg-hover: #f5f5f5;--bg-active: #ebebeb;--text-primary: #242424;--text-secondary: #616161;--text-tertiary: #9e9e9e;--border: #e5e5e5;--border-light: #f0f0f0;--red: #d13438;--green: #107c10;--yellow: #ffb900;--important: #d13438;--completed: #9e9e9e;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .12);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--font: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;--sidebar-width: 320px;--detail-width: 360px}html,body,#root{height:100%;font-family:var(--font);color:var(--text-primary);background:var(--bg-app);-webkit-font-smoothing:antialiased}button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}input,textarea{font-family:inherit;border:none;outline:none;color:inherit}.app{display:flex;height:100%;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden}.sidebar-header{padding:16px 16px 8px;display:flex;align-items:center;gap:12px}.sidebar-header .app-icon{width:36px;height:36px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.sidebar-header h1{font-size:20px;font-weight:600;color:var(--text-primary)}.sidebar-smart-lists{padding:8px 8px 4px}.sidebar-item{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;transition:background .1s;-webkit-user-select:none;user-select:none}.sidebar-item:hover{background:var(--bg-hover)}.sidebar-item.active{background:var(--bg-active);font-weight:600}.sidebar-item .icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-item .icon svg{width:18px;height:18px}.sidebar-item .count{margin-left:auto;font-size:12px;color:var(--text-tertiary);font-weight:400}.sidebar-item.all-tasks .icon{color:#2564cf}.sidebar-item.important .icon{color:#d13438}.sidebar-item.planned .icon{color:#107c10}.sidebar-item.calendar .icon{color:#8764b8}.sidebar-divider{height:1px;background:var(--border);margin:4px 16px}.sidebar-group{padding:4px 8px}.sidebar-group-header{display:flex;align-items:center;gap:8px;padding:6px 12px;font-size:13px;font-weight:600;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);-webkit-user-select:none;user-select:none}.sidebar-group-header:hover{background:var(--bg-hover)}.sidebar-group-header .chevron{width:16px;height:16px;transition:transform .15s}.sidebar-group-header .chevron.collapsed{transform:rotate(-90deg)}.sidebar-group-lists{padding-left:8px}.sidebar-bottom{margin-top:auto;padding:8px;border-top:1px solid var(--border)}.sidebar-add-btn{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:var(--radius-sm);font-size:14px;color:var(--accent);width:100%;transition:background .1s}.sidebar-add-btn:hover{background:var(--bg-hover)}.sidebar-delete-all-btn{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:var(--radius-sm);background:none;color:var(--text-tertiary);width:100%;font-size:14px;transition:background .1s,color 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14px;font-size:13px;color:#d13438;text-align:center}.delete-all-desc{font-size:13px;color:var(--text-secondary);margin:0}.delete-all-list{margin:0;padding-left:20px;font-size:13px;color:var(--text-secondary);display:flex;flex-direction:column;gap:4px}.delete-all-warning-secondary{font-size:12px;color:var(--text-tertiary);background:var(--bg-hover);border-radius:var(--radius-sm);padding:10px 12px;line-height:1.5}.delete-all-confirm-block{display:flex;flex-direction:column;gap:6px}.delete-all-confirm-label{font-size:12px;color:var(--text-secondary);font-weight:500}.delete-all-phrase{font-family:monospace;color:#d13438;font-weight:600}.delete-all-confirm-input{width:100%;padding:9px 12px;font-size:13px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-app);color:var(--text-primary);font-family:monospace;transition:border-color 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var(--accent);border-radius:var(--radius-sm);background:var(--bg-card)}.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.main-header{padding:24px 32px 16px;flex-shrink:0}.main-header h2{font-size:22px;font-weight:600;color:var(--accent)}.main-header .subtitle{font-size:13px;color:var(--text-secondary);margin-top:2px}.add-task{margin:0 32px 16px;background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border);display:flex;align-items:center;gap:12px;padding:0 16px;transition:box-shadow .15s,border-color .15s}.add-task:focus-within{border-color:var(--accent);box-shadow:var(--shadow-md)}.add-task .plus-icon{color:var(--accent);width:20px;height:20px;flex-shrink:0}.add-task input{flex:1;padding:14px 0;font-size:14px;background:transparent}.add-task input::placeholder{color:var(--text-tertiary)}.add-task .due-btn{display:flex;align-items:center;gap:4px;padding:4px 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transparent}.task-item:hover{background:var(--bg-hover)}.task-item.selected{border-color:var(--accent);background:var(--accent-light)}.task-item.completed .task-title{text-decoration:line-through;color:var(--completed)}.checkbox{width:20px;height:20px;border:2px solid var(--text-tertiary);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px;cursor:pointer;transition:all .15s}.checkbox:hover{border-color:var(--accent);background:var(--accent-light)}.checkbox.checked{background:var(--accent);border-color:var(--accent)}.checkbox.checked svg{color:#fff}.task-content{flex:1;min-width:0}.task-title{font-size:14px;line-height:1.4}.task-meta{display:flex;align-items:center;gap:8px;margin-top:3px;font-size:12px;color:var(--text-tertiary)}.task-meta .list-tag{color:var(--accent)}.task-meta .due-tag{display:flex;align-items:center;gap:3px}.task-meta .due-tag.overdue{color:var(--red)}.task-meta 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textarea:focus{border-color:var(--accent)}.detail-footer{padding:12px 20px;border-top:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-tertiary)}.detail-delete{color:var(--text-tertiary);padding:6px;border-radius:var(--radius-sm)}.detail-delete:hover{color:var(--red);background:var(--bg-hover)}.calendar-view{flex:1;overflow-y:auto;padding:0 32px 32px}.calendar-nav{display:flex;align-items:center;gap:16px;margin-bottom:20px}.calendar-nav h3{font-size:18px;font-weight:600;min-width:180px}.calendar-nav button{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.calendar-nav button:hover{background:var(--bg-hover)}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--border);border-radius:var(--radius-md);overflow:hidden}.calendar-day-header{padding:8px;text-align:center;font-size:12px;font-weight:600;color:var(--text-secondary);background:var(--bg-sidebar)}.calendar-day{min-height:100px;padding:6px;background:var(--bg-card);cursor:pointer;transition:background .1s}.calendar-day:hover{background:var(--bg-hover)}.calendar-day.other-month{background:var(--bg-app)}.calendar-day.other-month .day-number{color:var(--text-tertiary)}.calendar-day.today{background:var(--accent-light)}.calendar-day.today .day-number{background:var(--accent);color:#fff;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.day-number{font-size:13px;font-weight:600;margin-bottom:4px;color:var(--text-primary)}.calendar-task-dot{font-size:11px;padding:1px 4px;border-radius:2px;margin-bottom:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-secondary)}.calendar-task-dot.completed{text-decoration:line-through;color:var(--text-tertiary)}.calendar-task-count{font-size:10px;color:var(--text-tertiary);padding:1px 4px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d0d0d0;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#b0b0b0}.date-picker-inline{padding:8px 0}.date-picker-inline input[type=date]{padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;background:var(--bg-card)}.date-picker-inline input[type=date]:focus{border-color:var(--accent)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-tertiary);text-align:center}.empty-state .empty-icon{width:80px;height:80px;margin-bottom:16px;color:var(--border)}.empty-state h3{font-size:16px;font-weight:600;color:var(--text-secondary);margin-bottom:4px}.empty-state p{font-size:13px}.sidebar-item.people .icon{color:#0078d4}.sidebar-item.gantt .icon{color:#e74856}.sidebar-item.priority .icon{color:#f7630c}.sidebar-item.tags .icon{color:#8764b8}.tag-color-input{width:28px;height:28px;border:none;background:none;cursor:pointer;padding:0;border-radius:6px;flex-shrink:0}.tag-manage-row{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;background:var(--bg-secondary);border:1px solid var(--border)}.tag-manage-name{flex:1;font-size:14px;cursor:default;color:var(--text-primary)}.tag-name-edit{flex:1;font-size:14px;background:var(--bg-primary);border:1px solid var(--accent);border-radius:4px;padding:2px 6px;color:var(--text-primary);outline:none}.tag-manage-count{font-size:12px;color:var(--text-tertiary);white-space:nowrap}.group-reorder-btns{display:flex;gap:2px;margin-left:auto;opacity:0;transition:opacity .1s}.sidebar-group-header:hover .group-reorder-btns{opacity:1}.group-reorder-btn{width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:3px;color:var(--text-tertiary)}.group-reorder-btn:hover:not(:disabled){background:var(--bg-active);color:var(--text-primary)}.group-reorder-btn:disabled{opacity:.3;cursor:default}.group-delete-btn:hover:not(:disabled){color:#d13438!important}.sidebar-item-actions{margin-left:auto;display:flex;align-items:center;gap:4px}.sidebar-item-actions .count{margin-left:0}.list-reorder-btns{display:flex;gap:2px;opacity:0;transition:opacity .1s}.sidebar-item:hover .list-reorder-btns{opacity:1}.sidebar-item-delete{display:flex;align-items:center;justify-content:center;width:18px;height:18px;background:none;border:none;padding:0;cursor:pointer;color:var(--text-secondary);border-radius:4px;flex-shrink:0;opacity:0;transition:opacity .1s}.sidebar-item:hover .sidebar-item-delete{opacity:1}.sidebar-item-delete:hover{background:var(--bg-active);color:#d13438}.group-person-tag{font-size:10px;padding:1px 6px;border-radius:10px;font-weight:600;margin-left:auto}.toolbar-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary);border:1px solid var(--border);background:var(--bg-card);transition:all .1s}.toolbar-btn:hover{background:var(--bg-hover);border-color:var(--accent);color:var(--accent)}.person-card{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border);margin-bottom:8px;overflow:hidden}.person-card-header{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:background 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0 var(--radius-md) var(--radius-md);padding:8px 16px 12px}.option-row{display:flex;align-items:center;gap:12px;padding:6px 0}.option-row label{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);min-width:100px}.option-row input[type=date],.option-row select{padding:4px 8px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-family:var(--font);background:var(--bg-app);color:var(--text-primary)}.option-row input[type=date]:focus,.option-row select:focus{border-color:var(--accent);outline:none}.toggle-btn{padding:4px 12px;border-radius:var(--radius-sm);font-size:13px;border:1px solid var(--border);background:var(--bg-app);color:var(--text-secondary);transition:all .1s}.toggle-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.gantt-view{flex:1;overflow:hidden;padding:0 32px 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