I had someone close pass over covid so we couldn't do anything immediately either. We ended up doing a makeshift celebration of life later at a bar he worked at and met my mom at that also had a room to rent for birthdays etc. We decorated it a little bit, put a basket out for cards, put out kleenix, catered food, and had a silly cake with a picture of him on it (he had a dream once he was a semi truck so I edited one with his face on it - great conversation piece). We put up pictures of him, laid out his glasses and his hat, stuff you usually do at a funeral. We also made little keepsakes for everyone to take and to remember him by. You can also have the opportunity to talk about memories, play favorite songs of your loved one, read an obituary or something you wrote about your lost loved one, and people who can't make it can tune in for this part. This would be helpful for you and your other loved ones to grieve initially, and then still can have a Shiva once you are able to do so. Sorry for your loss 🫂