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

.login-container, .container {
  max-width: 800px;
  margin: 0 auto;
}

input, button {
  padding: 8px;
  margin: 5px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
}

.upload-section {
  margin: 20px 0;
}

.file-list {
  margin-top: 30px;
}