*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#00000026;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#00000040}.kanban-column{display:flex;flex-direction:column;min-width:280px;width:280px;background:#f0f2f5;border-radius:8px;padding:12px;margin-right:16px;height:fit-content;max-height:calc(100vh - 200px)}.kanban-column-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding:0 4px}.kanban-task-list{flex:1;overflow-y:auto;min-height:60px}.kanban-task-card{background:#fff;border-radius:6px;padding:12px;margin-bottom:8px;cursor:pointer;transition:box-shadow .2s;border:1px solid #f0f0f0}.kanban-task-card:hover{box-shadow:0 2px 8px #0000001f}.kanban-task-card.dragging{box-shadow:0 4px 12px #00000026}.priority-URGENT{color:#ff4d4f}.priority-HIGH{color:#fa8c16}.priority-MEDIUM{color:#1890ff}.priority-LOW{color:#52c41a}