You can change the segment layer.

an open source PCB editor for Microsoft Windows, released under the GNU General Public License.

You can change the segment layer.

When a segment is highlighted, press F2_Change_Layer. Or with the SHIFT button held down, press the layer number and the segment will be transferred to this layer. By the way, looking ahead, we can say that with the SHIFT button the copper area can also be transferred to another layer.