replace the existing ceiling lamps with refined gio ponti inspired lighting fixtures elegant mid century italian pendants and chandeliers featuring brass details opaline or frosted glass delicate proportions and a poetic modernist character lighting should feel warm intimate and formal creating a welcoming dining atmosphere rather than a commercial one redesign the left and right walls to introduce architectural richness inspired by gio ponti s milanese interiors of the 1950s 1960s while preserving all existing doors exactly in position scale and function incorporate refined wall compositions such as geometric paneling subtle ceramic or stone inlays decorative reliefs rhythmic vertical elements or softly textured surfaces use warm elegant materials terrazzo polished stone ceramic lacquered wood muted jewel tones and soft neutral palettes walls should enhance depth and sophistication without overpowering the space maintain the existing layout proportions and perspective do not remove resize or alter doors frames or openings in any way overall mood formal yet cozy italian restaurant interior milan 1960s gio ponti elegance intellectual modernism human scaled luxury timeless refinement calm warmth high realism architectural interior render soft ambient lighting balanced shadows inviting atmosphere