Stable Diffusion XL Prompt - sci-fi fantasy, neon glow, holographic iridescence, rune glyphs, crystal geometry, space noir

{
    "camera": "cinematic wide shot, centered portal, slight low-angle to emphasize height",
    "color_palette": "violet; iridescent rainbow spectrum; chrome silver",
    "composition": "centered gateway as focal point, symmetrical with generous negative space, halo glow around portal, orbiting glyphs embellishing the frame",
    "lighting": "neon rim light, volumetric glow, prismatic iridescence across runes",
    "negative_prompt": "low-res, blurry, artifacts, watermark, logo, misshapen runes, extra fingers, text",
    "product_constraints": {
        "background": "scene",
        "bleed_safe_area": "keep key art within 85% center area",
        "print_notes": "avoid tiny text; 300 DPI minimum; strong contrast for print; edges crisp for scaling",
        "product_type": "poster"
    },
    "prompt_core": "A towering quantum rune gateway stands at the center, circular arch inscribed with glowing violet runes, radiating a holographic rainbow that ripples through neon prisms as particles stream through a deep space backdrop, evoking futuristic mysticism and warp-field energy.",
    "render_specs": {
        "aspect_ratio": "1:1",
        "cfg_guidance": "9",
        "model_hint": "SDXL",
        "quality": "ultra",
        "resolution_hint": "4096x4096",
        "seed": "random"
    },
    "style_tags": [
        "sci-fi fantasy",
        "neon glow",
        "holographic iridescence",
        "rune glyphs",
        "crystal geometry",
        "space noir"
    ],
    "variants": [
        "Twist #1: rainbow hues surge into a pulsating aurora across the portal, shifting the palette toward ultraviolet.",
        "Twist #2: rune glyphs rearrange into a crystalline lattice with prism fractures, enhancing geometric complexity.",
        "Twist #3: holo-stained glass mosaic style, shards refracting rainbow light into a kaleidoscopic field."
    ]
}