:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{color:#f8fafc;background:#0f172a;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:#93c5fd}main{max-width:960px;margin:0 auto;padding:2rem 1rem}.card{background:#111827;border:1px solid #1e293b;border-radius:12px;margin-bottom:1rem;padding:1rem}button{cursor:pointer;color:#fff;background:#1d4ed8;border:1px solid #334155;border-radius:8px;padding:.6rem 1rem}