body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  padding: 40px;
}

main {
  max-width: 1000px;
  margin: auto;
  background: white;
  padding: 30px;
  border-radius: 12px;
}

#drop-zone {
  border: 2px dashed #555;
  padding: 40px;
  text-align: center;
  margin-bottom: 20px;
  background: #fafafa;
}

textarea {
  width: 100%;
  height: 500px;
  margin-top: 20px;
}