A simple sleek modern flat logo mark for an AI companion app featuring a chat bubble merged with a love heart, incorporating a harmonious blend of gentle curves and sharp lines, with a calming color scheme of soft pastel hues, and a clean sans-serif font, set against a subtle gradient background that transitions from a light sky blue to a warm sunny yellow, with the chat bubble and love heart forming a seamless union, conveying a sense of friendly companionship and affection, and embodying a futuristic yet approachable aesthetic that resonates with a broad audience, including diverse individuals with varying skin tones and facial features, with the overall design exuding a sense of modernity, simplicity, and approachability.