body {
  font-family: Arial, sans-serif;
  background: #f4f7fa;
  margin: 0;
  padding: 0;
}

.form-container {
  background: white;
  max-width: 600px;
  margin: 50px auto;
  padding: 25px 30px;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
  color: #333;
}

label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
  color: #444;
}

input, textarea, select, button {
  width: 100%;
  margin-top: 5px;
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  box-sizing: border-box;
  font-size: 14px;
}

button {
  background-color: #007BFF;
  color: white;
  border: none;
  margin-top: 20px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

#responseMessage {
  margin-top: 20px;
  text-align: center;
  font-weight: bold;
}

button:disabled {
background-color: #CCCCCC;
color: #666666;
cursor: not-allowed;
}