Create a 256×256 pixel art background of an expansive, high‑ceiling library in a fantasy×futuristic style. Use sky‑blue and bright orange as the two main accent colors, balanced against softer purples and warm golds. Include: • Rows of towering bookshelves made of gleaming metal and arcane wood, glowing softly with embedded neon runes • Scattered magical artifacts: floating crystals, open tomes with swirling glyphs, levitating quills • Two cute, semi‑transparent floating brains wearing tiny