body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
  background-color: #f4f4f4;
  color: #333;
}

header {
  background-color: #4CAF50;
  color: white;
  padding: 2em 1em;
}

main {
  padding: 2em;
}

.upload-section {
  margin: 2em auto;
}

#resultOutput {
  margin-top: 1em;
  padding: 1em;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  text-align: left;
  white-space: pre-wrap;
}

.hidden {
  display: none;
}