body {
  background-color: #000;
  color: #fff;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
  padding: 20px;
  border-radius: 10px;
  background-color: #222;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

h1 {
  margin-bottom: 20px;
}

input[type="text"] {
  width: calc(100% - 20px);
  padding: 10px;
  margin-bottom: 10px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
}

button {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  background-color: #0066ff;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0055cc;
}

.result.hidden {
  display: none;
}

.result img {
  margin: 20px 0;
  max-width: 100%;
}

pre {
  text-align: left;
  background-color: #111;
  padding: 10px;
  border-radius: 5px;
  overflow-x: auto;
}