I think you tried to...nevermind.And leave it at that.
Yes, i tried looking for logic...chakra cant do everything, a person cant levitate with pure and only chakra.
She traveled at light because the seal is made to heal her even if she loses a limb, so when she traveled wit Mabui's technique she was able to resist the damage...
And there was no guaranteing that the chakra she placed on her feet would hold the almighty push.