Modern Bar Escape

Assume that you were at a bar as your friend threw a party at the bar. You had a wonderful time there. Once the party was over, everyone left the place but you somehow stayed inside the bar and the bar was closed leaving you inside. You will now have to escape from the bar and go home. You must find the key to unlock the door and escape from there. Look for clues and solve puzzles to escape from the bar. All the best and have fun!