{
  "language": "en",
  "type": "image_generation_prompt_template",
  "use_case": "Given a poem, generate a single urban-sketch illustration that visually matches the attached reference style, with a strictly white paper background.",
  "inputs": {
    "poem_text": "{{POEM_TEXT}}",
    "poem_title": "{{POEM_TITLE_optional}}",
    "author": "{{AUTHOR_optional}}",
    "preferred_location": "{{OPTIONAL: city/country/neighborhood}}",
    "time_of_day_hint": "{{OPTIONAL: dawn/morning/afternoon/dusk/night}}",
    "season_hint": "{{OPTIONAL: spring/summer/autumn/winter}}"
  },
  "task_instructions": {
    "goal": "Translate the poem's mood and key imagery into a believable urban scene, drawn in an expressive urban sketch style on pure white paper.",
    "how_to_interpret_poem": [
      "Extract 3-5 concrete visual anchors from the poem (objects, places, weather, time, emotions).",
      "Choose ONE main scene that best embodies the poem (street corner, alley, market, cafe frontage, small houses, rooftop plants, riverside walkway, bus stop, crosswalk, etc.).",
      "Add 1-2 subtle storytelling details that echo the poem (e.g., lone umbrella, bicycle leaning, hanging wires, quiet crowd silhouettes) without becoming busy."
    ],
    "scene_constraints": [
      "Urban sketch subject must be the focus; keep background simplified.",
      "No readable text, no signage lettering, no captions, no watermarks.",
      "No faces with detailed features; people (if any) are simplified silhouettes/gestures."
    ]
  },
  "style_recipe": {
    "medium": "ink pen linework + watercolor wash on textured WHITE paper",
    "background_rule": {
      "must_be": "pure white paper background",
      "description": "Leave the majority of the canvas as untouched white paper. Do NOT paint the background. Only apply watercolor to the subject and small grounding shadows.",
      "no_background_wash": true,
      "no_gray_paper_tint": true,
      "no_colored_paper": true
    },
    "linework": {
      "quality": "loose, confident, broken lines; sketchy strokes; occasional scribbles",
      "weight": "mostly thin lines with a few bold accents for focal areas",
      "detail_level": "suggestive, not precise; imply windows/trees/cables with minimal marks"
    },
    "watercolor": {
      "behavior": "transparent washes, soft blooms, gentle gradients, slight edge darkening",
      "placement": "color blocks under/around linework; preserve lots of unpainted white paper"
    },
    "negative_space": "very high; keep large areas of clean white paper",
    "overall_vibe": "fast on-location urban sketch, spontaneous, airy, minimal yet expressive"
  },
  "palette_guidance": {
    "default_palette": "muted earth tones + soft greens + warm ochres + occasional teal accents",
    "allowed_pop_color": "one small accent (e.g., red/orange) to guide the eye",
    "avoid": [
      "neon saturation",
      "heavy digital gradients",
      "overly clean flat fills",
      "background color overlays"
    ]
  },
  "composition_guidelines": {
    "framing": [
      "Use asymmetry and an off-center focal point.",
      "Keep horizon/ground line simple; suggest depth with a few perspective cues.",
      "Include 1-2 small foreground marks (e.g., curb line, shadow patch) to anchor the scene without filling the page."
    ],
    "typical_motifs": [
      "thin utility wires",
      "simple building blocks",
      "trees/foliage as loose blobs",
      "market awnings or cafe canopy shapes",
      "gesture-only pedestrians"
    ]
  },
  "output_spec": {
    "image_count": 1,
    "aspect_ratio": "16:9",
    "camera_feel": "handheld sketchbook view, slightly wide, documentary",
    "quality": "high detail paper texture on white, clean edges, no compression artifacts"
  },
  "prompt": {
    "main_prompt": "Create ONE urban sketch illustration inspired by the poem below, on a STRICTLY PURE WHITE PAPER BACKGROUND.\n\nPOEM:\n{{POEM_TEXT}}\n\nVISUAL TRANSLATION:\n- Identify the poem's dominant mood (quiet, nostalgic, hopeful, lonely, warm, tense, etc.) and express it through an urban scene.\n- Choose a single clear setting that matches the poem: {{preferred_location}} (if provided) otherwise an evocative generic city neighborhood.\n- Time/season: {{time_of_day_hint}} and {{season_hint}} if provided; otherwise choose what best fits the poem.\n\nSCENE (one only):\n- Depict a believable street/corner/market/cafe frontage/alley/row houses/rooftop plants/bus stop that symbolizes the poem.\n- Add 1–2 subtle narrative details echoing the poem (e.g., a bicycle, an umbrella, a lone chair, puddles, warm window glow, drifting leaves), but keep it minimal.\n- People are optional; if included, render as simplified silhouettes/gestures with no facial detail.\n\nSTYLE (must match reference):\n- Loose ink pen linework with broken, expressive strokes; a few bold accents.\n- Transparent watercolor wash ONLY on the subject and a few grounding shadows.\n- Leave most of the canvas UNTOUCHED white paper.\n\nBACKGROUND (hard requirement):\n- PURE WHITE BACKGROUND ONLY.\n- NO background wash, NO tinted paper, NO gray fill, NO colored backdrop, NO sky gradient.\n\nCOLOR:\n- Muted earth tones + soft greens + warm ochres; optionally one small accent color.\n\nHARD RULES:\n- No readable text, no signage lettering, no captions, no watermarks.\n- Not photorealistic; must look like hand-drawn ink + watercolor on white paper.",
    "negative_prompt": "any non-white background, background wash, tinted paper, gray paper, beige paper, colored backdrop, sky gradient, full-page watercolor fill, photorealistic, 3D render, CGI, ultra-polished digital painting, clean vector lines, comic/manga style, thick cel shading, hyper-detailed faces, readable text, logos, watermarks, cluttered background, overly saturated neon colors"
  }
}