/* styles.css */
:root {
  --bg-light: #ffffff;
  --text-light: #000000;
  --bg-dark: #121212;
  --text-dark: #ffffff;
}

body {
  margin: 0;
  padding: 2rem;
  background-color: var(--bg-light);
  color: var(--text-light);
  font-family: sans-serif;
  transition: background-color 0.3s, color 0.3s;
}

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

#mode-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 1rem;
}

/* constrain the reading width */
#content {
  max-width: 800px;    /* or whatever suits you – 600–900px is common */
  margin: 0 auto;      /* centers it horizontally */
  padding: 1rem;       /* optional, gives a little breathing room */
}