Mood: The mood of the video appears to be romantic and melancholic, with a focus on love and longing. The title 'Ae Dil Zara' translates to 'Oh Heart, Please' which suggests a sense of yearning and affection. The overall theme seems to revolve around relationships and emotions.

Environment: The setting of the video seems to be a dimly lit, intimate space with a warm and cozy atmosphere. The background is blurred with a mix of pink and white lights, creating a sense of depth and ambiance. The environment suggests a quiet, personal moment between two people.