Act as a product designer with extensive experience in kitchen gadgets and smart technology. Design a smart cutting board that integrates [nutritional analysis], [real-time calorie counting], and [ingredient recognition] technologies. The design should include a sleek, modern aesthetic with a durable, easy-to-clean surface made from [sustainable materials]. Ensure it is compatible with a mobile app that provides detailed nutritional breakdowns and recipe suggestions based on the ingredients being used. Incorporate visual indicators such as [LED lights] to signal portion sizes and nutritional content status. The cutting board should be lightweight, portable, and suitable for various kitchen environments. Highlight features that distinguish it from competitors, such as [waterproof sensors] and [long-lasting battery life]. Provide a detailed description of the design concepts and functionality.