body {
  background-color: #f9f9f9;
  color: #000;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
}

.container {
  margin: 50px auto;
  max-width: 600px;
  text-align: center;
  padding: 24px;
  background-color: #ffffff;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo {
  width: 256px;
}

.details {
  margin: 20px 0;
}

.btn {
  display: inline-block;
  font-weight: 400;
  color: #212529;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  background-color: #f8f9fa;
  border: 1px solid #f8f9fa;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.25rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  cursor: pointer;
  margin: 5px;
  text-decoration: none;
}

.btn:hover {
  background-color: #e2e6ea;
}

.btn-primary {
  color: #fff;
  background-color: #007bff;
  border-color: #007bff;
}

.btn-primary:hover {
  background-color: #0056b3;
  border-color: #004085;
}

.alert-message {
  margin-top: 20px;
  padding: 10px;
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  border-radius: 4px;
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #121212;
    color: #ffffff;
  }

  .container {
    background-color: #1e1e1e;
    border: 1px solid #333;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  }

  .btn {
    background-color: #333;
    border-color: #333;
  }

  .btn:hover {
    background-color: #555;
  }

  .btn-primary {
    background-color: #007bff;
    border-color: #007bff;
  }

  .btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
  }

  .alert-message {
    background-color: #2d6a4f;
    color: #ffffff;
    border: 1px solid #1b4332;
  }
}