{ "style_name": "Backseat Transit Doodle Letter Poster Style", "style_slug": "backseat-transit-doodle-letter-poster-style", "style_version": "2026.05.11", "style_summary": "A realistic passenger-seat transport photo transformed into a high-energy travel poster with a central rear-view subject, electric yellow silhouette halo, oversized yellow-orange hand-drawn letters, comic rays, purple music marks, sticker icons, and cyan-white cloud swooshes.", "environment_variables": { "SUBJECT": "main driver, rider, guide, commuter, musician, courier, or traveler seen from behind", "SUBJECT_ACTION": "steering, tapping the horn, checking a mirror, pointing ahead, adjusting the radio, holding a map, or riding through the scene", "PRODUCT_OR_PROP": "portable speaker, route card, camera, map, drink can, luggage tag, helmet, hand drum, ticket, or featured travel object", "LOCATION": "tuk-tuk cabin, pedicab, tram, minibus, ferry deck, jeepney, taxi, cable car, shuttle, or compact city transport interior", "BACKGROUND_ELEMENTS": "windshield view, side windows, textured roof, dashboard details, mirrors, small ornaments, road, market, harbor, hills, or city street outside", "MAIN_TEXT": "short hand-drawn word such as AUTO, RIDE, GO, ZOOM, TAXI, JAM, ROLL, or DASH", "SECONDARY_TEXT": "tiny route note, travel diary caption, date line, or small sticker label", "ACCENT_SYMBOL": "yellow speed rays, purple music note, cyan cloud swoosh, orange feather icon, starburst, sticker bubble, or motion dash", "WARDROBE_STYLE": "work jacket, sun-faded shirt, utility vest, travel layers, local textile scarf, helmet, cap, or casual road-trip styling", "ASPECT_RATIO": "9:16 or 16:9" }, "style_fidelity_anchors": [ "Preserve the core visual identity: A realistic passenger-seat transport photo transformed into a high-energy travel poster with a central rear-view subject, electric yellow silhouette halo, oversized yellow-orange hand-drawn letters, comic rays, purple music marks, sticker icons, and cyan-white cloud swooshes.", "Use BACKGROUND_ELEMENTS as the documentary background details and secondary context.", "Use a realistic passenger-seat travel photo as the base layer: wide-angle backseat perspective, real vehicle interior, natural daylight through the windows, visible material texture, dashboard and window framing, and a believable road-trip or local transit moment.", "Use golden yellow fills, orange shadow shapes, burnt brown outlines, and sticker-like flat 2D finish.", "Use MAIN_TEXT as the large illustrated word integrated into the composition.", "Keep the same visual genre, density level, and rendering mode across new subjects.", "Preserve the original balance between main subject, typography, decorative marks, and background texture.", "Use the variables to change content while keeping the style system stable." ], "source_content_to_avoid": [ "watermark", "username", "creator ID", "QR code", "platform logo", "app interface marks", "copied person", "copied exact vehicle", "copied brand logo", "copied jacket graphic", "long paragraphs", "crowded small text" ], "visual_deconstruction": { "style_category": "A realistic passenger-seat transport photo transformed into a high-energy travel poster with a central rear-view subject, electric yellow silhouette halo, oversized yellow-orange hand-drawn letters, comic rays, purple music marks, sticker icons, and cyan-white cloud swooshes.", "composition_logic": "A reusable poster/image system where the subject, prop, location, text, and accent variables change while the layout grammar remains fixed.", "subject_treatment": "The subject is driven by SUBJECT and SUBJECT_ACTION, with wardrobe or visual treatment supplied by WARDROBE_STYLE.", "background_system": "LOCATION and BACKGROUND_ELEMENTS provide the scene, texture, spatial cues, and secondary details without changing the style family.", "type_and_graphics": "MAIN_TEXT, SECONDARY_TEXT, and ACCENT_SYMBOL control readable text, microcopy, stickers, marks, arrows, bursts, or other graphic accents.", "content_boundary": "The negative prompt and source_content_to_avoid list prevent direct recreation of source subjects, marks, brands, watermarks, and story premises." }, "image_treatment": { "rendering_mode": "photographic collage", "finish": "finished AI-image prompt output, not a wireframe, SVG, HTML mockup, or raw storyboard note", "texture": "preserve the material, paper, grain, marker, photographic, or print texture described by the style summary and prompt_template", "lighting": "keep the lighting behavior implied by the reference style rather than replacing it with a generic cinematic look" }, "composition": { "layout": "Keep the subject hierarchy, crop behavior, framing, and density described by the prompt_template.", "subject": "Use SUBJECT and SUBJECT_ACTION as the primary visual anchor, scaled and positioned according to the style identity.", "scene": "Use LOCATION and BACKGROUND_ELEMENTS for setting detail without changing the visual genre.", "text": "Place MAIN_TEXT and SECONDARY_TEXT as designed graphic elements, not as long paragraphs." }, "typography": { "main_text": "MAIN_TEXT should be short, legible, and visually integrated with the poster or image system.", "secondary_text": "SECONDARY_TEXT should read as small caption, label, route note, slogan, or microcopy.", "style": "Match the typography behavior described by the style summary and prompt_template, including scale, distortion, texture, and placement." }, "color_palette": { "palette_behavior": "Use the dominant colors, contrast rhythm, and accent-color logic implied by the style summary.", "background": "Keep the background color family consistent with the reference style.", "accents": "Use ACCENT_SYMBOL and graphic marks to carry small high-contrast color moments." }, "design_rules": [ "Use BACKGROUND_ELEMENTS as the documentary background details and secondary context.", "Use WARDROBE_STYLE for clothing, styling, surface treatment, and character details.", "Use a realistic passenger-seat travel photo as the base layer: wide-angle backseat perspective, real vehicle interior, natural daylight through the windows, visible material texture, dashboard and window framing, and a believable road-trip or local transit moment.", "Graphic overlay: trace the central subject with a thick electric yellow hand-drawn halo.", "Add oversized chunky hand-drawn letters spelling MAIN_TEXT around the subject, tilted and partly cropped by the frame.", "Use golden yellow fills, orange shadow shapes, burnt brown outlines, and sticker-like flat 2D finish.", "Add ACCENT_SYMBOL with purple music marks, yellow comic speed rays from the corners, cyan-white cloud or wind swooshes along the lower frame, small sticker bubbles, and playful motion strokes." ], "do": [ "Replace subjects, props, locations, text, and story details through examples.values.", "Keep prompt_template placeholders declared in environment_variables.", "Preserve the style_fidelity_anchors when adapting the JSON to a new image request.", "Use short, readable text values for MAIN_TEXT and SECONDARY_TEXT." ], "avoid": [ "watermark", "username", "creator ID", "QR code", "platform logo", "app interface marks", "copied person", "copied exact vehicle" ], "prompt_template": "Create an image in backseat-transit-doodle-letter-poster-style.\n\nAspect ratio: {ASPECT_RATIO}.\n\nScene: {SUBJECT} {SUBJECT_ACTION}, with {PRODUCT_OR_PROP}, inside or on {LOCATION}. Background details: {BACKGROUND_ELEMENTS}. Style the subject with {WARDROBE_STYLE}. Use a realistic passenger-seat travel photo as the base layer: wide-angle backseat perspective, real vehicle interior, natural daylight through the windows, visible material texture, dashboard and window framing, and a believable road-trip or local transit moment.\n\nGraphic overlay: trace the central subject with a thick electric yellow hand-drawn halo. Add oversized chunky hand-drawn letters spelling \"{MAIN_TEXT}\" around the subject, tilted and partly cropped by the frame. Use golden yellow fills, orange shadow shapes, burnt brown outlines, and sticker-like flat 2D finish.\n\nAdd {ACCENT_SYMBOL}, purple music marks, yellow comic speed rays from the corners, cyan-white cloud or wind swooshes along the lower frame, small sticker bubbles, and playful motion strokes. Keep the overlays bold but preserve the subject silhouette, steering gesture, and forward window view.\n\nText: use \"{MAIN_TEXT}\" as the large illustrated word. Add \"{SECONDARY_TEXT}\" only as tiny clean sticker text if it does not clutter the image. Do not include watermarks, usernames, creator IDs, QR codes, platform logos, app marks, copied brand logos, or copied jacket graphics.", "negative_prompt": "watermark, username, creator ID, QR code, platform logo, app interface marks, copied person, copied exact vehicle, copied brand logo, copied jacket graphic, long paragraphs, crowded small text, corporate transport ad, luxury car campaign, full vector illustration, 3D chrome letters, glossy balloon type, clay render, dark horror, dystopian chase, cyberpunk city, gritty crime scene, overlays blocking the subject, overlays blocking the windshield", "examples": [ { "case_name": "Auto Radio Rush", "values": { "SUBJECT": "an auto-rickshaw driver seen from behind", "SUBJECT_ACTION": "steering forward while adjusting a tiny radio", "PRODUCT_OR_PROP": "a portable radio and route card", "LOCATION": "a colorful compact tuk-tuk cabin", "BACKGROUND_ELEMENTS": "textured roof lining, bright windshield view, small mirrors, painted dashboard, side rails, roadside greenery, and warm cabin red details", "MAIN_TEXT": "AUTO", "SECONDARY_TEXT": "morning route / sound on", "ACCENT_SYMBOL": "purple music notes and yellow speed rays", "WARDROBE_STYLE": "olive work jacket, sun-faded collar, and casual driver styling" } }, { "case_name": "Harbor Tram Ride", "values": { "SUBJECT": "a harbor tram conductor seen from behind", "SUBJECT_ACTION": "checking the mirror while rolling past the waterfront", "PRODUCT_OR_PROP": "a punch ticket and small bell", "LOCATION": "a vintage open-air tram cabin", "BACKGROUND_ELEMENTS": "wood bench backs, brass handrails, side windows, harbor water outside, ferry lights, route placards, and a bright coastal street ahead", "MAIN_TEXT": "RIDE", "SECONDARY_TEXT": "harbor line / seat two", "ACCENT_SYMBOL": "cyan cloud swoosh and orange feather icons", "WARDROBE_STYLE": "navy utility vest, striped shirt, cap, and transit-worker styling" } }, { "case_name": "Market Pedicab Jam", "values": { "SUBJECT": "a night-market pedicab guide seen from the passenger seat", "SUBJECT_ACTION": "pointing toward a food street while pedaling", "PRODUCT_OR_PROP": "a lantern map and portable speaker", "LOCATION": "a pedicab passenger view through a busy market lane", "BACKGROUND_ELEMENTS": "neon food stalls, hanging signs without readable brand names, side canopy fabric, metal handlebar, baskets, wet pavement, and warm street lights", "MAIN_TEXT": "JAM", "SECONDARY_TEXT": "snack lane / last stop", "ACCENT_SYMBOL": "hot magenta starburst and purple sound strokes", "WARDROBE_STYLE": "yellow rain shell, black crossbody strap, and street-guide styling" } }, { "case_name": "Mountain Shuttle Dash", "values": { "SUBJECT": "a mountain shuttle driver seen from behind", "SUBJECT_ACTION": "steering around a switchback with one hand on the wheel", "PRODUCT_OR_PROP": "a folded trail map and metal thermos", "LOCATION": "a small shuttle bus interior above a valley road", "BACKGROUND_ELEMENTS": "wide front windshield, dashboard compass, hanging strap, fabric seat backs, pine trees, valley road, bright mountain sky, and side window reflections", "MAIN_TEXT": "DASH", "SECONDARY_TEXT": "ridge loop / window open", "ACCENT_SYMBOL": "yellow corner rays and cyan-white wind swooshes", "WARDROBE_STYLE": "canvas vest, rolled sleeves, cap, and outdoors transit styling" } } ] }