preserve the image exactly as it is same camera angle composition furniture lighting shadows wood shelving floor fabrics windows and all elements untouched modify only the marble plinth beneath the shelving keep the exact same dimensions slab layout veining composition and reddish alicante marble color already present upgrade only the marble material realism and tactile quality the marble plinth must show sharper natural white veining richer mineral depth denser stone character subtle tonal variation refined polished finish elegant soft reflections crisp slab edges and premium realistic texture the reddish orange tone must remain intense and balanced never faded never pale never darker never overexposed preserve all existing shadows crossing the marble no plastic effect no burnt highlights no color shift no redesign do not modify any other part of the image no changes to wood shelving floor joints sofa chairs lamps windows sky walls or lighting setup only improve the marble plinth material
