iOS app icon, ultra-minimal flat vector style, rounded square (superellipse) icon, subtle soft gradient background (off-white to very light gray). Centered circular clock/progress dial: thick donut ring with clean geometry. Ring shows a progress sweep: 70% fresh green and 30% muted red, crisp boundary, rounded caps. Single thin dark charcoal clock hand pointing to 12 o’clock. No numbers, no tick marks, no text, no extra elements. Lots of negative space, perfect centering, consistent stroke widths, high resolution 512x512, sharp edges, modern Apple-like design. no text, no numerals, no busy details, no realistic 3D, no heavy shadows, no glossy reflections, no noise, no gradients on the ring, no icons inside, no watermark