You have read the theory. You understand the mechanics. Now, it is time to put the pick down (yes, Bossa is usually fingerstyle) and grab the real resource.
The rhythm is guided by a distinct pulse known as the clave, which anchors the syncopated parts against the steady bass. Resources for Further Learning Bossa Nova for Guitar (PDF Guide) bossa nova guitar rhythm pattern pdf exclusive
If you need an actual PDF file, I recommend: You have read the theory