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{ "task": "Create a retro 1980s synthwave night poster background for Berlin with a distant skyline, one single main realistic nighttime roadway with long-exposure light trails, and a degraded vintage TV aesthetic. This image must be background-only with no typography.", "content_rule": { "primary_goal": "Render only the environment and atmosphere.", "text_rule": "Do not render any headline, script text, logo, sign, label, caption, or any visible letters or words anywhere in the image.", "poster_mode": "Treat this as a clean atmospheric background plate, not a typography poster." }, "composition": { "layout": "Use a cinematic poster composition with a dark night sky occupying the upper half, the Berlin skyline low on the horizon in the middle distance, and one single main roadway in the lower foreground leading toward the city.", "sky_area": "Keep generous dark negative space in the upper portion of the image.", "skyline_position": "Keep the skyline low and clearly separated from the top of the frame.", "road_position": "The roadway starts at the bottom edge and leads toward Berlin with a strong central perspective.", "depth": "Make the skyline feel distant and the roadway feel closer in the foreground.", "simplicity_rule": "Keep the road composition simple, clean, and easy to read as one single roadway corridor." }, "city_background": { "city": "Berlin", "time": "night only", "style": "semi-realistic Berlin skyline with a subtle synthwave mood", "landmark_character": "Use recognizable Berlin skyline character where appropriate, including the Fernsehturm as the primary landmark, the Brandenburg Gate as a subtle distant architectural reference, surrounding modern high-rises, and characteristic Berlin urban silhouettes.", "lighting": "Subtle nighttime city lights in cool blue-violet tones with restrained pink highlights.", "atmosphere": "Soft haze, distant depth, slight urban glow, and subtle atmospheric bloom." }, "road_and_light_trails": { "road_type": "one single realistic nighttime multi-lane urban roadway or highway leading toward Berlin", "road_structure": "Show one main continuous roadway only.", "lane_structure": "Use a clear unified roadway with opposing traffic directions separated normally, but keep the entire scene reading as one single main road.", "perspective": "strong central vanishing point", "surface": "dark asphalt with subtle reflective sheen", "vehicle_visibility": "No visible cars or vehicle bodies", "trail_rule": "Show only long-exposure traffic light trails locked closely to the roadway lanes and road surface.", "trail_positioning": "All light trails must stay low, attached to the road perspective, following lane direction and surface curvature. They must not float upward into the air.", "road_simplicity_rule": "Keep the road network visually simplified.", "branching_rule": "Do not show branching highways, side roads, extra ramps, entrance ramps, exit ramps, loops, interchanges, frontage roads, or duplicated roadway systems.", "edge_rule": "Do not add additional visible roads at the far left or far right edges of the frame.", "continuity_rule": "The viewer should clearly read the scene as one single main roadway leading toward the Berlin skyline.", "trail_colors": "white, pale pink, hot pink, and magenta", "trail_behavior": "Trails should feel like real traffic motion photography, not abstract neon lines." }, "color_palette": { "sky": "deep midnight blue", "skyline": "cool blue-violet and dark indigo", "city_lights": "subtle white, blue-violet, and restrained pink highlights", "road_trails": "white, hot pink, pale pink, and magenta", "rule": "Electric pink should act only as an accent, not wash over the whole image." }, "retro_filter": { "goal": "Make the full image feel intentionally degraded like an old 1980s television or worn VHS broadcast frame.", "quality_feel": "Slightly degraded, analog, nostalgic, intentionally imperfect.", "scanlines": "Use visible CRT scanlines.", "noise": "Add moderate analog video noise and VHS-style texture.", "softness": "Introduce slight blur and analog softness while preserving the city and road clearly enough.", "color_bleed": "Add controlled pink-blue color bleed around bright edges.", "chromatic_aberration": "Use subtle RGB separation on some high-contrast edges.", "tracking": "Allow faint horizontal VHS tracking imperfections and analog distortion.", "compression": "Allow a slight low-resolution broadcast feel.", "print_texture": "Add worn poster texture and aged screen texture together.", "restriction": "The image should feel vintage and degraded, but still visually appealing and readable as a background." }, "lighting": { "city": "subdued nighttime lighting", "road": "long-exposure traffic glow", "overall_contrast": "clear separation between skyline, road, and sky" }, "framing": { "negative_space": "Keep generous dark negative space above the skyline.", "crop_rule": "Do not crop the skyline or Fernsehturm awkwardly.", "margin_rule": "Maintain comfortable framing and balanced composition.", "road_visibility": "Leave enough lower frame space for the roadway and light trails to read clearly." }, "avoid": [ "any text", "any words", "any letters", "any title", "any script lettering", "any logo", "any signage in the foreground", "floating neon strokes that look like handwriting", "buildings too tall in the frame", "oversized Fernsehturm dominating the entire composition", "light trails floating in the air", "light trails detached from the roadway", "visible cars", "branching roads", "extra side roads", "multiple separate highways", "visible entrance ramps", "visible exit ramps", "highway interchanges", "cloverleaf road structures", "parallel secondary roads", "split roadway composition", "duplicated road systems", "daytime scene", "wireframe grid", "clean modern ultra-sharp image", "tiny imperceptible CRT texture" ] }