body{font-family:Arial,sans-serif;background-color:#f3f4f6;margin:0;padding:2rem;display:flex;justify-content:center}form{background-color:#fff;padding:2rem;border-radius:8px;box-shadow:0 4px 8px #0000001a;width:320px;display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column}label{font-weight:700;margin-bottom:.25rem}input{padding:.5rem;font-size:1rem;border:1px solid #ccc;border-radius:4px}input:focus{border-color:#007bff;outline:none}.error{color:#e53935;font-size:.875rem;margin-top:.25rem}.success{color:#4caf50;font-size:.875rem;margin-top:.25rem}button[type=submit]{background-color:#007bff;color:#fff;font-weight:700;padding:.75rem;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s ease-in-out}button[disabled]{background-color:#9bbce1;cursor:not-allowed}button[type=submit]:hover:not(:disabled){background-color:#0056b3}