/* styles.css */
body {
  font-family: Arial, sans-serif;
  padding: 20px;
}
input[type="text"], input[type="number"], input[type="file"] {
  margin-bottom: 10px;
  display: block;
}
button {
  margin: 10px 0;
}
table {
  border-collapse: collapse;
  width: 100%;
  margin-top: 20px;
}
th, td {
  border: 1px solid #ccc;
  padding: 8px;
}
th {
  background-color: #f0f0f0;
}
.error {
  color: red;
  white-space: pre-line;
  margin-top: 10px;
}
pre {
  background: #f4f4f4;
  padding: 10px;
  border: 1px solid #ccc;
  max-width: 600px;
  white-space: pre-wrap;
}