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In this pricing screen for MD Calculator Pro, users can preview different themes by scrolling through a horizontal carousel. As each theme thumbnail snaps into the active center position, the large calculator preview above it dynamically morphs its layout, buttons, fonts, and skeuomorphic details. Simultaneously, the entire screen's background color and the primary CTA button fluidly crossfade to match the selected theme's color palette, creating a highly immersive and tactile preview experience.
