You should see two circles.
One for the extent of the solid fill and another for the extend of the graduation.
Grab these and stretch them.
You may have to activate the "Move sub-elements" option on the pet palette if it shows up.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11