add a concealed vertical ambient light between the dark wood panel westwall 81066 and the adjacent light textile panel westwall 6015 located beside the bed the light must appear as a thin recessed vertical slot integrated into the joint between the two wall finishes use a warm color temperature of approximately 2700k 3000k the illumination should be soft subtle and diffused creating a gentle vertical wash of light across both surfaces without visible led dots or harsh brightness the effect should feel luxurious architectural and integrated into the wall design the light should emphasize the transition between the dark wood panel and the textile panel highlighting the textures of both materials while remaining elegant and discreet do not extend the light onto the ceiling or floor keep the glow localized and refined the lighting must look like a premium concealed architectural detail not a decorative led strip everything else must remain completely unchanged architecture furniture materials colors flooring curtains chandelier wall sconce camera angle and room proportions