mystical winter night with glowing snowflakes in deep blue and frosty textures creating a serene atmosphere

winter snowflakes glowing blue frosty textures magical serene night atmosphere enchanting crystals nature beauty cold ice season tranquility landscape outdoors festive snowy delicate wonderland illumination gradient sparkling seasonal pattern design chill magic bright sky peaceful wintertime icy breathtaking stillness shimmer light aesthetics background depth wonder scenery visual elegance frost ai generated