I clicked on the Trello log and it took me to my Home Page, but a version I hadn't seen before. In the middle was an "Up next" section and it showed my morning appointment. I clicked on it and it opened that card and then restored all of my lists and cards on that board. Not sure why but happy it did!!
That brings up the question ... are my boards stored in the cloud if something like this happened again. The client info I have on this board is irreplaceable.
Thanks!
Jeff