Vauxhall Astra bleed clutch works for a day then loose pedal cant find leek

hi recently posted about clutch hitting floor and no gears and was told to top up brake fluid and bleed look for leeks couldent find any leeks bled the clutch and pedal solid will drive for a day then hits floor again at first couldent see leeks but now fluid all under need gearbox area checked pipe from master clutch right to the bleeding nipple on gear box cant see any leaks at all just all wet around gear box area over my wish bone could it be a internal problem or does fluid not go into gearbox or ill have to check pipes again incase ive missed a leak any help would be great thanks in advance also could there be a proble at nipple bit on gear box there also is a little play on it does move about slightly think its called clutch control pipe elbow thanks