Toyota Celica Brake Warning Light

I Have A 1993 Celica Gt 2.2l 5 Speed Manual Transmission And All Of Sudden Every Day Or 2 My Brake Reservoir Is Half Empty... Ill Fill It Up...

I Have An '87 Toyota Celica. I Have Some Weird Issues Going On. It Started With A Burned Out Tail Light Bulb. Now, When I Use My Headlights...