improve only the wall covering material in this bedroom render while preserving the exact camera angle layout furniture lighting floor rug bed nightstands credenza tv sofa window treatment and all existing design elements exactly as shown the wall covering should be a refined light beige vertical linear wallcovering with a subtle woven texture and soft vertical striations make it elegant clean and realistic similar to a high end fabric wallcovering the pattern should be vertical and linear but not too strong not dark and not overly contrasted it should read as a soft warm beige light taupe textile texture with delicate depth and natural variation avoid making the walls look like rough wood grasscloth with heavy lines dirty concrete or dark brown wallpaper the texture should feel sophisticated soft and understated with fine vertical threads and a calm luxury hotel aesthetic keep the tone light and warm so the room feels brighter and more refined improve material realism clarity and texture quality while keeping everything else unchanged produce a polished architectural portfolio render with crisp details balanced exposure soft shadows and realistic material finishes
