I took part of my restricted amount money and part of my available money. My win on the game was added to the restricted amount even though the bonus did not specify that winning was restricted. Why was that?

When you leave a game, any money that has been taken from available money is first added back. The remaining money is then added back to the restricted amount until it is equal to the initial restricted amount. If any money is left over, it will be added to your available money if the winnings are not restricted. Otherwise, it will be added to the restricted amount for that bonus.