:root{color-scheme:dark;font-family:Space Grotesk,system-ui,sans-serif}body{margin:0;background:#0f172a;color:#e2e8f0}main{max-width:1100px;margin:0 auto;padding:1.5rem}section{background:#1e293b;padding:1rem;border-radius:.75rem;margin-bottom:1rem}h1,h2,h3{margin-top:0}.row{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.75rem}input,select,button{border:1px solid #334155;background:#0f172a;color:inherit;border-radius:.5rem;padding:.4rem .6rem}button{cursor:pointer}ul,ol{margin:0;padding-left:1rem}li{margin-bottom:.5rem}.message{background:#0b2447;border:1px solid #1d4ed8;border-radius:.5rem;padding:.6rem}