body {
  margin: 0;
  padding: 0;
  background: #111;
  font-family: 'Segoe UI', sans-serif;
}

.form-container {
  background-color: rgba(0, 0, 0, 0.7);
  max-width: 400px;
  margin: 80px auto;
  padding: 30px;
  border-radius: 12px;
  color: #fff;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: 1.5em;
  color: #f5b8a3;
  letter-spacing: 1px;
}

h2 {
  margin-top: 10px;
  color: #fff;
  font-weight: normal;
}

input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: none;
  border-radius: 5px;
}

button {
  width: 100%;
  background-color: #f5b8a3;
  color: black;
  font-weight: bold;
  border: none;
  padding: 12px;
  border-radius: 5px;
  cursor: pointer;
}

#responseMessage {
  margin-top: 15px;
  font-size: 0.9em;
}