a dynamic background with diagonal lines of glitter running from purple to blue with scattered particles giving a sense

background glitter purple blue dynamic motion lines particles scattered sparkle texture diagonal vibrant wallpaper abstract shiny colortransition design movement backdrop bright celebration color decoration diagonallines festive gradient light modern pattern shine shimmer streaks textured vivid art artistic blur canvas cheerful cosmic creative digital effect elegance festivebackground glow gradientbackground graphic happy ai generated