body{color:#111;background:#f7f7f7;margin:0;font-family:Arial,sans-serif}.container{max-width:860px;margin:0 auto;padding:24px 16px 40px}.card{background:#fff;border:1px solid #ddd;border-radius:8px;margin-bottom:16px;padding:16px}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.button{color:#fff;cursor:pointer;background:#111;border:none;border-radius:6px;padding:10px 14px}.button.secondary{color:#111;background:#eee}.button:disabled{opacity:.5;cursor:not-allowed}input,textarea{box-sizing:border-box;border:1px solid #ccc;border-radius:6px;width:100%;padding:8px 10px;font-size:14px}label{margin-bottom:6px;font-weight:600;display:block}h1{margin:0 0 12px}a{color:#0a58ca}