{ "system_instruction": "Act as a senior brand identity designer. Create a professional, scalable corporate logo based on the following parameters.", "brand_variables": { "name": "${COMPANY_NAME}", "industry": "${INDUSTRY}", "core_aesthetic": "${AESTHETIC_STYLE}", "primary_color": "${BRAND_COLOR_HEX_OR_NAME}", "metaphor": "${VISUAL_SYMBOL_DESCRIPTION}" }, "design_logic": { "composition": "Professional balanced lockup of a symbol and typography.", "typography": "High-fidelity rendering of '${COMPANY_NAME}'. Style: Bold, modern, sans-serif, optimized kerning.", "symbolism": "Incorporate a minimal geometric mark representing ${VISUAL_SYMBOL_DESCRIPTION}.", "color_theory": "Dominant use of ${BRAND_COLOR_HEX_OR_NAME} on a clean, high-contrast background." }, "nano_banana_constraints": { "style_reference": "Swiss Graphic Design, Modern Corporate Minimalism", "technical_specs": [ "Vector-style clarity", "No 3D effects or drop shadows", "Solid flat colors", "Maximum legibility at small scale" ], "negative_space": "Utilize intentional white space to enhance the ${AESTHETIC_STYLE} feel." }, "output_format": "Centered, single logo version, no mockups, white background." }