body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  padding: 20px;
}

.container {
  max-width: 600px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0px 2px 8px rgba(0,0,0,0.1);
}

textarea {
  width: 100%;
  height: 200px;
  margin-bottom: 10px;
  padding: 10px;
  font-family: monospace;
}

button {
  padding: 10px 20px;
  background: #007bff;
  border: none;
  color: white;
  cursor: pointer;
  border-radius: 5px;
}

button:hover {
  background: #0056b3;
}

pre {
  background: #222;
  color: #0f0;
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
}
#copyBtn {
  margin-top: 10px;
  padding: 8px 16px;
  background: #28a745;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

#copyBtn:hover {
  background: #218838;
}