:root{--bg:#f6f7f2;--ink:#22271f;--muted:#7c8378}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}a{color:#3e6d36}body>main{max-width:720px;margin:0 auto;padding:2rem 1.25rem}.card{background:#fff;border:1px solid #e5e8df;border-radius:12px;padding:1.25rem 1.5rem}.muted{color:var(--muted);font-size:.875rem}