Art style: Watercolor.
Vintage-style watercolor scene representing Mary Ainsworth's experiment. A toddler sits on a colorful play mat in a simple room, looking toward a door. The colors are soft pastel yellows, blues, and greys with a nostalgic, grainy texture.
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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 entirely in "Watercolor" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Watercolor". Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Watercolor" idiom, not in any other medium.
