:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #fdfdfc;
  --muted: #666;
  --link: #1a1a1a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e6e3;
    --bg: #171717;
    --muted: #999;
    --link: #e8e6e3;
  }
}

:root[data-theme="light"] {
  --fg: #1a1a1a;
  --bg: #fdfdfc;
  --muted: #666;
  --link: #1a1a1a;
}

:root[data-theme="dark"] {
  --fg: #e8e6e3;
  --bg: #171717;
  --muted: #999;
  --link: #e8e6e3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 6rem 1.5rem;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  font-size: 1.125rem;
  line-height: 1.7;
}

main {
  max-width: 34rem;
  margin: 0 auto;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 2rem;
}

p {
  margin: 0 0 1.4rem;
}

a {
  color: var(--link);
  text-decoration-color: var(--muted);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: currentColor;
}

.links {
  color: var(--muted);
  margin-top: 2rem;
}

#theme-toggle {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--muted);
  border-radius: 50%;
  background: transparent;
  color: var(--fg);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.6;
}

#theme-toggle:hover {
  opacity: 1;
}