:root {
  --background-color-light: #ffffff;
  --text-color-light: #333333;
  --button-background-light: #007bff;
  --button-text-light: #ffffff;

  --background-color-dark: #333333;
  --text-color-dark: #ffffff;
  --button-background-dark: #0056b3;
  --button-text-dark: #ffffff;
}

body {
  font-family: sans-serif;
  background-color: var(--background-color-light);
  color: var(--text-color-light);
  transition: background-color 0.3s, color 0.3s;
  margin: 0;
  padding: 20px;
}

body.dark-mode {
  background-color: var(--background-color-dark);
  color: var(--text-color-dark);
}

h1 {
  color: inherit; /* Inherit color from body */
}

button {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  background-color: var(--button-background-light);
  color: var(--button-text-light);
  transition: background-color 0.3s, color 0.3s;
  margin-right: 10px;
}

body.dark-mode button {
  background-color: var(--button-background-dark);
  color: var(--button-text-dark);
}

button:hover {
  opacity: 0.8;
}

#theme-toggle-container {
  margin-bottom: 20px;
}