* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #6366f1;
}

h2 {
  margin-top: 15px;
  margin-bottom: 8px;
  font-size: 18px;
  color: #4f46e5;
}

textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
  margin-bottom: 15px;
  resize: vertical;
}

button {
  background-color: #6366f1;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 4px;
  cursor: pointer;
  display: block;
  margin: 0 auto 20px;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #4f46e5;
}

button:disabled {
  background-color: #a5a5a5;
  cursor: not-allowed;
}

.output-area {
  margin-top: 30px;
}

.response {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 15px;
  white-space: pre-wrap;
  font-size: 16px;
  line-height: 1.6;
  min-height: 150px;
}

.loading {
  opacity: 0.6;
}