We were not losing, but we were not winning either
Perhaps I should rephrase it. You were going to lose that war. Darka refused to go on the offensive AFAIK. Thus there was no way that war was ever going to end except in a loss for Darka. As was already said, CE was looting your regions rogue thus it was a slow damage. CE is fine, Darka is getting slowly worse. That means Darka will lose the war.
You can't win a war on defense. You can come to peace on the defense, but I don't see CE ever ending that war unless they won or lost, and without Darka on the defense they were never going to lose the war.