:root{color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{margin:0;background:light-dark(#f5f6f8,#17191d);color:light-dark(#20232a,#eee)}main{max-width:560px;margin:48px auto;padding:32px;border-radius:20px;background:light-dark(white,#23262c)}h1{font-size:28px;margin:12px 0}h2{font-size:17px;margin-top:28px}p{line-height:1.7}button,a{font:inherit}button{padding:10px 20px;border:0;border-radius:9px;background:#5964e8;color:white;cursor:pointer}button:disabled{opacity:.6;cursor:wait}a{color:light-dark(#404dce,#b7beff);text-underline-offset:4px}a[hidden]{display:none}.muted{color:light-dark(#656b77,#afb5c1);font-size:13px}@media(max-width:640px){main{margin:12px;padding:24px}}