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Upon tapping the segment control to switch from weekly (W) to monthly (M) views, the interface undergoes a highly coordinated transition. The segment background pill slides smoothly to the new selection. Simultaneously, the seven thick weekly bars morph, scale down, and multiply into a dense set of thin monthly bars with a subtle spring bounce. Below the graph, the key metrics (steps, distance, calories, and floors) update dynamically using a rolling ticker animation, while text labels fade and shift slightly to accommodate the new layout, creating a cohesive sense of data scaling.










