body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f4f4f4;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 20px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

h1 {
  text-align: center;
  color: #333;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

input[type="file"] {
  margin: 20px 0;
}

button {
  padding: 10px 20px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:disabled {
  background-color: #6c757d;
  cursor: not-allowed;
}

button:hover:not(:disabled) {
  background-color: #218838;
}

#uploadStatus,
#status {
  margin-top: 20px;
  text-align: center;
  font-weight: bold;
}

.upload-status {
  color: #007bff;
}