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When the user taps the circular '1 Day Streak' badge at the top of the stats screen, the badge scales down slightly, rotates on its Y-axis to simulate a coin flip, and expands back with a playful spring bounce to reveal the '103% Today's Hydration' state. Tapping it again flips it back to the streak count. The motion is highly tactile, utilizing spring physics to make the circular badge feel like a physical, flippable coin.
