:root{--brand:#2488c9;--text:#1b2430;--bg:#fff;color:var(--text);background:var(--bg);font-family:system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--text:#e8edf3;--bg:#0f1720}}body{margin:0}.page{max-width:48rem;margin:0 auto;padding:2rem 1rem}.button{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:.4rem;padding:.6rem 1rem;text-decoration:none;display:inline-block}