I stole money from my job, and I really regret it.. will go unnoticed maybe? :(?

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Hi there, I been working at Walgreens as a Customer Sales Associate for about a month now..this ain't my first job, i worked as a receptionist for a security company for 3 years but I got layed off since they didn't have no more money to keep paying me..Well, last friday night I don't know what came over me, I thought about it really strongly and I took $100, this is my very frist time taking something that didn't belong to me.... And I wanted to put it back but I didn't want to get it on camera even more noticible so i just kept it and gave it to my dad so he could buy his medicine...I told him about what happened and he told me and prayed for me that hopefully they wouln't notice, but I would NEVER do it again..I feel so bad....Would they notice? The camera was kinda on the side of the cosmetics area so idk if it went noticed or im not sure....If they did notice...Should I just be honest and said i did? Could I just pay it back and keep my job? Whats going to happne I'm so paranoid? and i feel so bad..i love my job. ;'/ By the way I'm 17 and I live in Texas...And please be a bit soft on me since im emotionally sensitive..

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Also, when i go back to work, could I just put 100 of my money and the cash register and they maybe it the 100 dollars i took will go unnoticed...or what can i do ?

I stole money from my job, and I really regret it.. will go unnoticed maybe? :(?