* {
	box-sizing: border-box;
	font-family: 'Roboto', sans-serif;
  }
   
  body {
	background: var(--color-bg);
	color: var(--color-text);
  }
   
  .theme-toggle {
	position: fixed;
	top: 1rem;
	right: 1rem;
	padding: 0.5rem 1rem;
	background: var(--color-primary, #0066cc);
	color: #fff;
	border: none;
	border-radius: 4px;
	cursor: pointer;
	z-index: 1000;
  }