Bernardo helped Portugal defeat Holland in the final.
"For me to finish this way it's just amazing, I'm so, so happy with my season," he told Sky Sports after adding the trophy to his domestic treble at City.
"So happy to end it this way with these fantastic people that helped us over the past two games, and now it's time to rest and prepare for next season and try to do even better.
"I'm very proud, the most important thing is Portugal won,' he added.
"I'm very proud to have won the first title with my country and of course if you can add to that the [individual] awards you just said, it's even better.
"I'm very happy at the moment."