enhance the uploaded image to achieve a highly realistic refined dark wellness spa aesthetic preserve the original architecture geometry camera angle proportions layout openings furniture and material placement exactly as they are do not redesign or add architectural elements focus only on lighting material realism atmosphere and photographic quality create a deep moody and sophisticated environment with predominantly charcoal dark bronze espresso brown and warm earthy tones keep the overall exposure intentionally low but maintain enough subtle detail in the shadows so the architecture remains readable lighting use very restrained architectural lighting with isolated pools of soft warm light create gentle wall grazing that reveals the texture of plaster stone and concrete without over lighting the room use approximately 2400 2700k warm neutral illumination avoiding strong orange or yellow colour casts keep the ceiling predominantly dark highlights should be localized and controlled with smooth falloff into deep shadow avoid flat ambient illumination excessive indirect light or uniformly bright surfaces materials make all surfaces extremely tactile and photorealistic dark plaster should have subtle hand applied irregularities mineral variation and a softly mottled finish stone should feel dense natural and slightly textured with realistic roughness fine grain and softly worn edges avoid exaggerated bump maps or artificial looking texture contrast if water is present give it a quiet muted blue grey green tint realistic depth subtle refraction and very delicate reflections add minimal natural water movement with soft caustic light only where physically appropriate wet stone surfaces may have slightly darker coloration and restrained reflections increase contact shadows ambient occlusion indirect light interaction material separation and realistic surface response preserve large areas of darkness to create intimacy and visual depth the final result should feel like a photograph of an exclusive underground thermal spa or contemporary japanese european wellness retreat minimal monolithic quiet mysterious tactile and luxurious without looking decorative or glamorous photography rendering quality cinematic architectural photography realistic dynamic range soft highlight roll off subtle natural grain realistic lens response physically accurate global illumination high end corona v ray realism extremely detailed materials smooth gradients clean shadows ultra high resolution 8k style clarity avoid bright interiors beige luxury styling golden lighting excessive amber tones hdr appearance crushed blacks excessive contrast oversaturation glossy materials dramatic coloured leds visible artificial bloom excessive sharpness heavy denoising cgi looking textures or unnecessary decorative elements the final image must remain compositionally identical to the original only enhance the realism darkness materiality and atmospheric lighting to achieve the reference aesthetic