@Kayla123
I am so sorry... and I am so mad! Unfortunately, your story is one of many similar stories I've heard about.
When you read Airbnb TOS and Host guarantee and speak with their CS reps, everything seems so simple and easy. You just have to take pictures, get estimates and receipts and submit them to your damage claim in a timely manner. If your guest declines your claim, Airbnb will cover you from their 1 million US$ Host guarantee. They promise.
In fact, be prepared for a long and exhausting battle for any $ over a few hundred.
Unfortunately, Airbnb staged the perfect playground for the worst kind of guests: lack of any verification, possibility of changing their names and profile pictures whenever they want, instant booking pressure, punishment for host and refund for guest in case of cancelation even if the guest is breaking house rules, no real security deposit etc.... all of that made Airbnb very attractive for the worst kind of guests. They can get away with practically anything.
There are many threads about this subject, including the newest one about Orinda shooting on Halloween night with more than 600 comments.
Repare your house and if you ever decide to rent it again, instal outdoor cameras, try VRBO or some other booking platform with a real security deposit and proper guest vetting. Meet your guests at the arrival and ask them to show you their IDs, take a picture of IDs, avoid 1 night stays as well as those longer than 2 weeks, set a house rule of mandatory light cleaning every 7 days so you can inspect the property, cancel the booking when your first house rule is broken... do whatever you can to avoid such scenario happening again.