:root{font-family:system-ui,sans-serif;color:#17364b;background:#f7f9f7}body{margin:0}main{max-width:880px;margin:40px auto;padding:24px}h1,h2{font-family:Georgia,serif}.card{background:white;border:1px solid #d8e3df;border-radius:12px;padding:24px;margin:20px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}label{display:block;margin:16px 0}input{display:block;width:100%;box-sizing:border-box;padding:12px;border:1px solid #a3bcb4;border-radius:6px;margin-top:8px;font:inherit}button,.button{display:inline-block;border:0;border-radius:6px;padding:12px 18px;background:#146b66;color:white;text-decoration:none;font:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:#126b67}small{display:block;line-height:1.6}#status{white-space:pre-wrap}#status.error{color:#9d2424}nav{display:flex;gap:16px;flex-wrap:wrap}