Type 1 Diabetic Living Life!

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My name is Samia (Or Samm, if you will)
I am 21 years old and am here mostly to maintain (or gain, maybe a little bit) weight. But I am also interested in this site for the use of macronutrient counting, (namely carbohydrates) and the ability to log meals to see how they affect my sugars. I want to lower my (currently 10) A1C, and I want to try to get in better shape. I have trouble doing mundane tasks at home, and stairs... well, stairs are the devil.
I feel like my reckless diet, as well as staying dangerously inactive (I'm a gamer) Has caused my body to break down at a rate no one my age should be experiencing, and I'm hopping at the opportunity to reverse as much as I can.
If there are any other young Type 1's out there, or anyone who has any type of advice or tips, I'd highly appreciate a comment or message! Thanks for having me!