Clutch Sticking To Floor

[samg1965]

The other day when I engaged the clutch in my 5sp 2002 Boxster, the clutch remained floored and would not shift gears. I am not a mechanic, but attempting a self diagnosis and guessing it might be my slave cylinder. I do not have an owner's manual for this vehicle and googling conflicting information and hoping I can get some answers in here....

1) On a 2002 Boxster, does the clutch fluid and brake fluid share the same reservoir?

2) If not, where is the clutch fluid added???