A mobile chat UI screen from a social media app design kit, showing a one-on-one conversation with incoming gray message bubbles on the left and outgoing cyan message bubbles on the right. Includes a top navigation header with back arrow, contact avatar and name, plus call and video icons, and a bottom input bar with camera, text field, microphone, image, and attachment buttons. Status bar shows the time and connectivity icons. Layout uses a white and light gray palette with cyan accents.