Art style: Pixar-like 3D.
A close-up of the dark green chalkboard, now cleared of equations. In the centre, large and friendly white chalk letters read 'well done'. The lighting is warm and celebratory, with the same grainy chalk texture visible. No characters or hands appear in the frame. The palette is deep green and bright white.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image in the following art style:
Stylized cinematic 3D, expressive animated characters, soft rounded forms, polished materials, warm cinematic lighting, charming facial expressions, high-end animated film look.
Every surface, skin, fabric, material, and environmental element must be rendered in this idiom.
