tiled floor

Q: My question is that there was some urine on western toilet seat which I was washing off by pouring water on it however, some water went on the tiled floor. So I poured 3x amount of water on the floor all at once and wiped/soaked it with a sponge and then poured water on it again and soaked/wiped it with a sponge (did it for second time for the benifit of the doubt). At this point it was already clean but then I decided to mop the tiled floor with a mop. Please can you tell me if the floor is now pure or not? Should I do anything else?

Q: I just wanted to enquire about the following: When I shower some of the water leaks outside the shower and accumulates on the floor tiles. Does this make the floor napaak and if so how do I make it paak after every time I shower?

Q: I have messed impurities on the tiled floor a while ago and have not cleaned it correctly (just wiped it with a dry cloth). I'm very worried about the impurities now. What if somebody walked on it with a wet foot and spread it? Is their Salaah accepted? Will I be responsible for it? The house has a domestic helper that cleans the house. She uses a bucket of water and cloth to clean the floor by dipping the cloth in the water bucket every once in a while and wiping the floor around the house once. (The floor becomes very wet and is air dried). There are no visible traces of the impurities anymore. Since the domestic helper cleaned the house and floor, can I assume and conclude that the floor is clean? What should I do? Please please help me. I am extremely extremely stressed and worried. This issue is negatively affecting my life and affecting my performance in my exams