input existing rendered scene png goal fine tuned indirect lighting adjustment only scene description ultra realistic interior visualization based exactly on the provided reference image preserve 100 the camera angle perspective field of view proportions room geometry and all furniture placement do not change composition scale layout materials or colors of the existing scene allowed modifications strict keep the already implemented ceiling design recessed spotlights removed soffit offset gap 15 mm present hidden led strip integrated modify only the led lighting color in the curtain zone section along the curtain window wall emits very soft light turquoise color hue subtle elegant desaturated turquoise no saturated cyan no neon the rest of the perimeter lighting remains neutral white lighting specification led remains fully hidden no visible source or led strip light direction indirect washing down walls and curtain turquoise light must be very subtle softly blended into surrounding neutral light creating a premium ambient accent only no color spill into the entire room no change of overall scene color balance ultra realism boost smooth gradient transition between white and turquoise light physically accurate light blending no color banding subtle interaction with curtain fabric soft tint only maintain realistic gi shadows and exposure negative prompt absolute restriction do not change anything except led color near curtain do not modify geometry furniture materials wall colors floor camera composition intensity of other lights no additional light sources no visible led strips no color grading of the whole image final look minimalistic luxury interior with a precise architectural lighting detail subtle turquoise accent near curtain otherwise perfectly preserved original scene
