ultra minimalist modern living room with a floating tv stand in light oak wood clean seamless cabinetry with hidden handles large carrara marble wall panel backdrop with subtle grey veining warm ambient led backlighting glowing behind the marble soft neutral palette with beige and ivory tones sleek contemporary interior indirect lighting polished microcement floor scandinavian inspired luxury aesthetic elegant architectural styling realistic wood grain texture soft shadows cinematic atmosphere ultra detailed photorealistic refined and calming mood 8k interior render