body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 80px auto;
  background: #ffffff;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

textarea {
  width: 100%;
  height: 100px;
  padding: 10px;
  font-size: 14px;
  border-radius: 5px;
  border: 1px solid #ccc;
  resize: none;
}

button {
  width: 100%;
  margin-top: 15px;
  padding: 12px;
  background: #2563eb;
  color: white;
  font-size: 16px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #1e40af;
}

.response {
  margin-top: 20px;
  background: #f1f5f9;
  padding: 15px;
  border-radius: 5px;
}