abstract wavy background with dark tones

abstract background dark design digital graphic lines modern pattern shapes texture tones wallpaper wave waves art minimalist monochrome moody atmosphere mysterious vibe negative space optical illusion organic repeating patterns serene ambiance simple sleek smooth textures soothing colors stylized surreal elements symmetrical composition textured surface tonal gradients trippy visuals undulating forms understated elegance visual interest wavy zenlike aesthetic geometry dynamic movement ai generative generated synthography