{ "prompt_type": "universal_city_travel_postcard", "variable": { "city": "ENTER CITY NAM…

{ "prompt_type": "universal_city_travel_postcard", "variable": { "city": "ENTER CITY NAME HERE" }, "instruction": "Create a premium illustrated travel postcard for the city provided in the variable. The city is the ONLY user-provided creative variable. Everything else must be intelligently researched, inferred, selected, and generated specifically for that city. Do not require a reference image.", "city_reasoning": { "first_determine": [ "officially recognizable city name", "country", "state, province, territory, or region when applicable", "local-language spelling or transliteration", "one iconic landmark strongly associated with the city", "one authentic environment or viewpoint where that landmark naturally belongs", "distinctive surrounding architecture", "important local geographic features", "appropriate vegetation and landscape", "appropriate transportation or human activity", "a secondary recognizable city feature if compositionally useful" ], "landmark_selection": { "rule": "Automatically choose the single most visually recognizable landmark or architectural symbol of the specified city.", "priority": [ "globally recognizable city landmark", "strongly city-specific architecture", "distinctive skyline feature", "iconic monument", "famous bridge", "historic structure", "recognizable natural landmark when it is the defining visual identity of the city" ], "do_not": [ "combine landmarks from different cities", "invent fictional landmarks", "use a generic building when a recognizable landmark exists", "place the landmark in an impossible geographic setting" ] } }, "fixed_visual_identity": { "style": "elegant handcrafted paper-cut travel illustration", "medium": "layered textured paper collage combined with refined editorial illustration", "aesthetic": "premium vintage tourism poster, sophisticated collectible postcard", "mood": "calm, nostalgic, inviting, picturesque, refined", "visual_language": [ "layered paper construction", "subtle physical paper depth", "soft paper shadows", "matte printed texture", "visible tactile paper grain", "clean simplified shapes", "delicate atmospheric perspective", "restrained pastel colors", "carefully composed architectural silhouettes", "slightly handcrafted edges" ], "important": "The style must remain consistent regardless of which city is entered. Only the city-specific content changes." }, "composition": { "aspect_ratio": "4:5", "orientation": "vertical", "format": "premium destination travel postcard", "visual_hierarchy": [ "large open sky", "upper-left typography", "dominant iconic landmark", "recognizable city environment", "layered foreground", "small human figures for scale and atmosphere" ], "sky": { "coverage": "approximately upper 30-40 percent", "color": "soft powder blue", "texture": "subtle fine paper grain", "clouds": "minimal layered cream paper clouds", "rule": "Keep sufficient negative space for typography and do not overcrowd the sky." }, "landmark": { "position": "dominant central or slightly off-center focal point", "scale": "large enough to immediately identify the city", "silhouette": "architecturally accurate", "detail": "recognizable but artistically simplified", "depth": "clearly separated from foreground and background" }, "foreground": { "purpose": "create depth and a lived-in travel experience", "automatically_select": [ "viewpoint railing", "promenade", "park", "street", "waterfront", "terrace", "hilltop overlook", "historic pedestrian area" ], "selection_rule": "Choose whichever foreground environment naturally complements the selected landmark and is believable for the specified city." }, "background": { "include": [ "city skyline when appropriate", "recognizable local buildings", "natural geography", "water when geographically appropriate", "hills or mountains when geographically appropriate", "trees and landscape" ], "rule": "Background elements must support the city's identity without competing with the primary landmark." } }, "city_specific_environment": { "architecture": { "rule": "Automatically generate surrounding architecture characteristic of the specified city.", "accuracy": "Buildings should look plausibly local in scale, materials, proportions, age, and architectural vocabulary." }, "geography": { "rule": "Automatically incorporate important geographic features only when genuinely associated with the city.", "examples": [ "coastline", "river", "lake", "mountains", "hills", "valleys", "desert", "forest", "plains" ] }, "vegetation": { "rule": "Automatically choose vegetation appropriate to the city's climate and region.", "style": "soft layered paper-cut foliage" }, "transportation": { "rule": "Optionally include one subtle recognizable local transportation element when it strengthens city identity.", "examples": [ "tram", "streetcar", "ferry", "subway entrance", "cable car", "double-decker bus", "trolley", "boat" ], "restriction": "Never add transportation merely for decoration if it is not appropriate to the city." }, "people": { "include": true, "quantity": "small and sparse", "style": "simplified paper-cut travelers and pedestrians", "poses": [ "walking", "looking at the landmark", "standing at an overlook", "sitting", "casually sightseeing" ], "rule": "People are environmental storytelling elements, not the primary subject." } }, "color_system": { "base_palette": [ "powder blue", "warm ivory", "cream", "muted sage", "olive green", "dusty gray", "soft beige", "desaturated terracotta" ], "city_adaptation": "The palette may subtly adapt to the city's natural and architectural colors while preserving the same soft pastel editorial aesthetic.", "saturation": "low to medium", "contrast": "soft", "avoid": [ "neon colors", "extreme saturation", "harsh black shadows", "high-contrast HDR appearance" ] }, "lighting": { "time": "pleasant daytime", "quality": "soft diffuse natural light", "atmosphere": "slightly hazy and peaceful", "shadows": "soft layered paper shadows", "highlight_behavior": "gentle matte highlights", "overall_effect": "warm, calm, cinematic travel-poster atmosphere" }, "typography": { "placement": "upper-left", "hierarchy": "city name largest, location second, landmark third", "city_name": { "content": "{{CITY_NAME}}", "case": "uppercase", "font": "clean modern geometric sans-serif", "weight": "bold", "size": "large", "letter_spacing": "wide", "color": "warm white" }, "location_line": { "content": "{{LOCAL_CITY_NAME}} · {{STATE_REGION_OR_COUNTRY}}", "font": "clean minimalist sans-serif", "weight": "regular", "size": "small", "letter_spacing": "moderate", "color": "warm white" }, "landmark_line": { "content": "{{PRIMARY_LANDMARK_NAME}}", "font": "clean minimalist sans-serif", "weight": "regular", "size": "small", "letter_spacing": "very wide", "case": "uppercase", "color": "warm white" }, "language": { "rule": "Automatically determine an appropriate local-language represent