{
 [user_input]
"food_theme": "ลอดช่องสิงคโปร์น้ำกะทิสด"
"main_title": "ชวนฝัน"
"sub_title": "หอมหวานเย็นฉ่ำ ละมุนกลิ่นกะทิสด"
"price_text": "ถ้วยละ 30.-"
"item_list_text": "ลอดช่อง - กะทิสด - น้ำตาลมะพร้าว - ใบเตย"
"message_text": "รสชาติแห่งความสุข... ที่นุ่มนวลชวนฝัน"
"left_bottom_text": "ลอดช่องเจ๊นา"
"center_bottom_text": "กะทิสดหอมหมื่นลี้"
"primary_color": "สีเขียวใบเตยหอม (Fragrant Pandan Green)"
"secondary_color": "สีขาวกะทิ (Coconut Milk White)"
"accent_color": "สีเหลืองนวลน้ำตาลมะพร้าว (Soft Coconut Sugar Yellow)"
"background_mood": "สดชื่น อ่อนหวาน ละมุนชวนฝัน"
"decorative_elements": "ถ้วยแก้วสวยงาม ใบเตย กระทงใบตอง"
  },
  "poster_type": "vertical advertising poster",
  "style": "elegant blend of realistic Thai food or dessert rendering and classic illustration",
  "context": "Thai food or Thai dessert advertisement with fully Thai cultural context",
  "font_logic": {
    "thai_font_style": "beautiful premium Thai display typography",
    "main_title_font": "Thai display font with elegant curves, strong readability, refined proportions, and premium poster presence",
    "sub_title_font": "refined Thai serif-style or editorial Thai font with clean spacing and graceful structure",
    "message_font": "delicate Thai script or elegant Thai handwritten-style font with beautiful flow and high readability",
    "bottom_text_font": "clean Thai supporting font with balanced spacing and polished editorial feel",
    "rules": [
      "all Thai text must be beautifully styled",
      "Thai typography must look premium and intentional",
      "no ugly default Thai font",
      "no garbled Thai text",
      "Thai spelling must be correct"
    ]
  },
  "background": {
    "upper": "Soft atmospheric sky or illustrated backdrop in tones that match the selected color palette and background mood",
    "lower": "Illustrative base composition using Thai-context elements that support the food theme only"
  },
  "main_text_top": {
    "position": "centered at the top",
    "main_word_calligraphic": {
      "text": "main_title",
      "font": "beautiful premium Thai display font with elegant curves and strong headline presence",
      "relative_size": "large, central focus"
    },
    "sub_text_serif": {
      "text": "sub_title",
      "font": "refined Thai editorial font with graceful proportions and clear readability",
      "relative_size": "below the main title"
    }
  },
  "visual_subject": {
    "position": "stacked or hero-centered below the main text",
    "main_items": [
      {
        "type": "hero Thai food or dessert item",
        "description": "Realistic, appetizing, premium visual treatment based on the selected food_theme",
        "position": "top or center hero layer"
      },
      {
        "type": "secondary supporting item",
        "description": "A complementary Thai food or dessert element that matches the selected theme",
        "position": "middle layer"
      },
      {
        "type": "base supporting item",
        "description": "A visually balanced supporting presentation element placed at the bottom layer",
        "position": "bottom layer"
      }
    ],
    "floating_elements": "Small decorative elements related only to the selected Thai food or dessert theme"
  },
  "promo_tag": {
    "position": "overlapping the middle-to-lower part of the hero composition",
    "shape": "user-defined promotional badge or tag",
    "main_price_text": {
      "text": "price_text",
      "font": "large prominent Thai display font with high legibility and strong promotional hierarchy",
      "layout": "Clear, readable, promotional hierarchy"
    },
    "item_list_text": {
      "text": "item_list_text",
      "font": "smaller elegant Thai supporting font below the price"
    }
  },
  "illustrations": {
    "left_support_element": {
      "position": "to the left of the base food composition",
      "description": "A Thai cultural decorative object only if directly relevant to the selected food_theme",
      "style": "refined, friendly, clearly Thai"
    },
    "right_support_element": {
      "position": "to the right of the base food composition",
      "description": "Optional Thai-context support element only if it directly supports the selected food_theme",
      "style": "balanced and secondary to the food hero"
    }
  },
  "bottom_text_logos": {
    "script_text": {
      "text": "message_text",
      "position": "centered above the lower edge text line",
      "font": "beautiful Thai script or elegant Thai handwritten-style font",
      "relative_size": "prominent emotional message"
    },
    "bottom_line": {
      "position": "very bottom edge of the poster, in a horizontal line",
      "left": {
        "text": "left_bottom_text"
      },
      "center": {
        "text": "center_bottom_text"
      }
    }
  },
  "color_logic": {
    "primary_use": "Use primary_color as the main visual anchor",
    "secondary_use": "Use secondary_color for supporting surfaces and environmental balance",
    "accent_use": "Use accent_color sparingly for highlights, premium emphasis, or typography accents",
    "overall_rule": "Colors must harmonize with the selected Thai food or dessert theme and should not be locked to any single predefined palette"
  },
  "thai_context_rules": {
    "must_be_fully_thai_context": true,
    "all_visual_elements_must_match_selected_food_theme": true,
    "no_chinese_context_unless_explicitly_requested": true,
    "no_unrelated_festival_elements": true,
    "no_unrelated_costumes": true,
    "no_unrelated_props": true,
    "no_foreign_cultural_symbols": true
  },
  "text_rules": {
    "all_visible_text_must_use_user_input_only": true,
    "thai_spelling_must_be_correct": true,
    "no_random_extra_text": true,
    "no_unrequested_names": true,
    "no_designer_credit": true
  }
}