Prompt: The main screen of the habit tracking app. In the center is a list of habits in the form of cards with names and colored icons. At the bottom right is the “+” button to add a new habit with a plus icon. On the left side of the screen is a side navigation menu in the form of icons: a house for the main screen, a star for favorites, a graph for statistics, a gear for settings. The color scheme is muted, limited to 2-3 pastel colors. Illustration.