body {
  font-family: Arial, sans-serif;
  background: #f8f9fa;
  margin: 0;
  padding: 0;
}

.container {
  width: 90%;
  max-width: 800px;
  margin: 50px auto;
  text-align: center;
}

h2 {
  color: #333;
}

form {
  margin-bottom: 20px;
}

input[type="file"] {
  margin: 10px 0;
}

button {
  background: #007bff;
  border: none;
  padding: 10px 20px;
  color: #fff;
  cursor: pointer;
  border-radius: 5px;
}

button:hover {
  background: #0056b3;
}

.table-wrapper {
  overflow-x: auto;
  margin-top: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 auto;
}

table, th, td {
  border: 1px solid #ddd;
}

th, td {
  padding: 8px;
  text-align: center;
}

th {
  background: #007bff;
  color: white;
}