:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Arial,sans-serif}body{color:#1b1b1a;background:#f7f7f5;margin:0}main{max-width:760px;margin:0 auto;padding:64px 24px}h1{margin:0 0 12px;font-size:2.25rem}h2{margin-top:32px}p,li{line-height:1.55}.card{background:#fff;border:1px solid #deded8;border-radius:12px;margin-top:24px;padding:24px}button{color:#fff;cursor:pointer;font:inherit;background:#173f35;border:0;border-radius:7px;padding:10px 14px}button:disabled{cursor:not-allowed;opacity:.6}input{font:inherit;box-sizing:border-box;border:1px solid #aaa;border-radius:7px;width:100%;padding:10px}label{margin-bottom:8px;font-weight:600;display:block}.stack{gap:12px;display:grid}.muted{color:#656561}.error{color:#a02920}