body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f5f5f7;
  color: #333;
}

h1 {
  color: #2d2d2d;
  text-align: center;
  margin-bottom: 5px;
}

.subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 30px;
}

.container {
  background-color: white;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

textarea {
  width: 100%;
  height: 300px;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: monospace;
  resize: vertical;
  margin-bottom: 15px;
  font-size: 14px;
}

button {
  background-color: #0071e3;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.2s;
}

button:hover {
  background-color: #0058b9;
}

#message {
  margin-top: 15px;
  padding: 12px;
  border-radius: 6px;
  text-align: center;
  font-weight: 500;
  display: none;
}

#message.success {
  cursor: pointer;
}

#message.success:hover {
  background-color: #d0ffe6;
}

.success {
  background-color: #e3fff1;
  color: #00784b;
}

.error {
  background-color: #ffebee;
  color: #c62828;
}

.examples {
  margin-top: 30px;
  padding: 15px;
  background-color: #f1f8ff;
  border-radius: 6px;
  border-left: 4px solid #0071e3;
}

.examples h3 {
  margin-top: 0;
  color: #0071e3;
}

.examples pre {
  background-color: #fff;
  padding: 10px;
  border-radius: 4px;
  overflow-x: auto;
}