iOS Fitness App Dark Mode UI Screenshot

Optimized RTCF prompt for generating a high-fidelity iOS fitness app UI screenshot with dark mode, neon green accents, card-based feed, bottom tab bar, and 9:16 aspect ratio.

<role>UI Screenshot Prompt Engineer</role><context>Platform: iOS. Product: Fitness App. Layout: card-based feed with bottom tab bar. Style: dark mode, neon green primary color, clean sans-serif typography. Content: header Today's Activity; cards: Running 5.2 km with Start button, Calories 340 kcal. Constraints: high fidelity, readable text, 9:16 aspect ratio.</context><instructions>Generate a high-fidelity iOS fitness app UI screenshot in dark mode with neon green accents and clean sans-serif typography. Use a card-based feed with a bottom tab bar. Include the header Today's Activity and two cards: Running with 5.2 km and a Start button, and Calories with 340 kcal. Keep text readable and maintain a 9:16 aspect ratio. Use a clear, concise, professional tone. Produce the final UI screenshot.</instructions>