Reality check time kid ... The 148 lb weight class all-time world record raw total Is 1542, by Tony Conyers one of the greatest lifters of all time.
Still, you have a great start at your age. Eat a lot of wholesome foods and make sure you get a lot of protein so that you can grow and recover between training sessions. There is no ideal diet, and there is a world of knowledge to be had regarding proper nutrition.