:root{color-scheme:dark;background:#0b1020;color:#e6ecff;font-family:Inter,system-ui}body{margin:0;background:radial-gradient(circle at top,#1a2450,#0b1020)}main{max-width:1100px;margin:0 auto;padding:16px;display:grid;gap:12px}section{background:#ffffff0a;border:1px solid #334;padding:12px;border-radius:10px}textarea{width:100%;background:#121a35;color:#fff}