A celestial weaver spider with body made of spun starlight and eight legs of delicate silver filaments, spinning an enormous cosmic web between two ancient floating mountain peaks at twilight, dewdrops on the web transforming into tiny floating galaxies, surrounding nebula clouds glowing in impossible colors, fine line art with soft watercolor fills, botanical frame border of delicate silver moss vines and tiny luminous starlight blossoms, magical realism, soft cosmic light filtering through crystalline body creating prismatic rainbow aura, palette of deep twilight purple, luminous silver, soft rose, crystal white and glowing cyan, enchanted astronomical sanctuary at the edge of night, whimsical fantasy art