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Upon successfully solving a hard chess puzzle, the interface triggers a multi-layered celebratory animation. The mascot character, Oscar, reacts dramatically by falling straight down out of his speech bubble frame with flailing arms and sweat droplets. Simultaneously, a 'Combo x6' thunder banner slides down from the top status bar, accompanied by a burst of yellow diamond confetti on the board. Finally, a green success bottom sheet slides up smoothly from the bottom, presenting a 'Great job!' message and a prominent 'Continue' button.









