:root{--color-primary: #0071e3;--color-primary-hover: #0077ed;--color-success: #34c759;--color-warning: #ff9f0a;--color-danger: #ff453a;--color-todo: #ff9f0a;--color-in-progress: #0abde3;--color-completed: #34c759;--bg-page: #f5f5f7;--bg-card: #ffffff;--bg-hover: #f5f5f5;--text-primary: #1d1d1f;--text-secondary: #86868b;--text-tertiary: #d2d2d7;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-card: 0 2px 12px rgba(0,0,0,.04);--shadow-hover: 0 8px 30px rgba(0,0,0,.08);--transition: .2s ease}body.dark-mode,.dark-layout{--bg-page: #0d1117;--bg-card: #161b22;--bg-hover: #21262d;--text-primary: #e6edf3;--text-secondary: #8b949e;--text-tertiary: #30363d;--shadow-card: 0 2px 12px rgba(0,0,0,.3);--shadow-hover: 0 8px 30px rgba(0,0,0,.4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,sans-serif;background-color:var(--bg-page);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100vh}.kanban-board{display:flex;gap:16px;padding:16px;overflow-x:auto;min-height:calc(100vh - 200px)}.kanban-column{flex:1;min-width:280px;max-width:360px;background:var(--bg-card);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-card);border:1px solid var(--text-tertiary)}.kanban-column-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid;border-radius:0 0 8px 8px}.kanban-column-header.todo{border-color:var(--color-todo)}.kanban-column-header.in-progress{border-color:var(--color-in-progress)}.kanban-column-header.completed{border-color:var(--color-completed)}.kanban-column-header span:first-child{font-weight:600;font-size:14px}.kanban-cards{display:flex;flex-direction:column;gap:10px;min-height:200px}.kanban-card{background:var(--bg-card);border-radius:var(--radius-md);padding:14px;box-shadow:var(--shadow-card);cursor:pointer;transition:all var(--transition);border-left:3px solid transparent;border:1px solid var(--text-tertiary)}.kanban-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--color-primary)}.kanban-card.priority-urgent{border-left-color:var(--color-danger);background:linear-gradient(135deg,#fff5f5 0%,var(--bg-card) 50%)}.kanban-card.priority-high{border-left-color:var(--color-warning);background:linear-gradient(135deg,#fff7e6 0%,var(--bg-card) 50%)}.kanban-card.priority-medium{border-left-color:var(--color-warning)}.kanban-card.priority-low{border-left-color:var(--text-tertiary);opacity:.85}.kanban-card .ant-tag{border-radius:6px}.ant-card{border-radius:var(--radius-lg)!important;border:1px solid var(--text-tertiary)!important;box-shadow:var(--shadow-card)!important;transition:all var(--transition)!important}.ant-card:hover{box-shadow:var(--shadow-hover)!important}.ant-btn-primary{background:var(--color-primary)!important;border:none!important;border-radius:var(--radius-sm)!important;font-weight:500!important}.ant-btn-primary:hover{background:var(--color-primary-hover)!important}.ant-input,.ant-input-affix-wrapper,.ant-select-selector{border-radius:var(--radius-sm)!important;border-color:var(--text-tertiary)!important;background:var(--bg-card)!important}.ant-input:focus,.ant-input-focused,.ant-input-affix-wrapper-focused,.ant-select-focused .ant-select-selector{border-color:var(--color-primary)!important;box-shadow:0 0 0 3px #0071e31a!important}.ant-tag{border-radius:6px!important}.ant-progress-bg{transition:all .3s ease!important}.ant-table{border-radius:var(--radius-md)}.ant-table-thead>tr>th{background:var(--bg-hover)!important;border-color:var(--text-tertiary)!important}.ant-table-tbody>tr>td{border-color:var(--text-tertiary)!important}.ant-table-tbody>tr:hover>td{background:var(--bg-hover)!important}.ant-menu-item-selected{background:#0071e31a!important;border-radius:var(--radius-sm)!important}.dark-mode .ant-card{background:var(--bg-card)!important}.dark-mode .ant-menu-item-selected{background:#58a6ff26!important}.dark-mode .ant-badge-count{background:var(--color-primary)!important}.empty-state{text-align:center;padding:40px;color:var(--text-secondary)}.empty-state-icon{font-size:40px;margin-bottom:12px}.dark-mode .ant-layout-sider{background:var(--bg-card)!important}.dark-mode .ant-layout-sider-trigger{background:var(--bg-hover)!important}.dark-mode .ant-menu{background:transparent!important;color:var(--text-primary)!important}.dark-mode .ant-menu-item{color:var(--text-primary)!important}.dark-mode .ant-menu-item:hover{background:var(--bg-hover)!important}.dark-mode .ant-menu-item-selected{color:var(--color-primary)!important}@media (max-width: 768px){.kanban-board{gap:12px;padding:12px}.kanban-column{min-width:260px}}