:root {
  --background-color: #f4f4f4;
  --text-color: #333;
  --primary-color: #007bff;
  --primary-hover-color: #0056b3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #333;
    --text-color: #f4f4f4;
    --primary-color: #6daff7;
    --primary-hover-color: #3e8edc;
  }
}

body {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  background-color: var(--background-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1 {
  color: var(--primary-color);
  margin-bottom: 20px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  color: var(--text-color); /* Button text color */
  background-color: var(--primary-color);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: var(--primary-hover-color);
}