:root { color-scheme: light dark; }

html {
  font-family: system-ui, sans-serif;
  background: Canvas;
  color: CanvasText;
}

body {
  margin: 0;
  padding: 1.5rem 1rem 4rem;
}

main {
  max-width: 38rem;
  margin: 0 auto;
}

h1 {
  font-size: 1.55rem;
  line-height: 1.25;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.15rem;
  line-height: 1.3;
  margin: 2rem 0 0.5rem;
}

p, li {
  line-height: 1.6;
  margin: 0.75rem 0;
}

ul {
  padding-left: 1.25rem;
}

a {
  color: LinkText;
}

.action {
  display: inline-block;
  box-sizing: border-box;
  min-height: 44px;
  min-width: 44px;
  margin: 1rem 0;
  padding: 0.7rem 1.2rem;
  border: 1px solid ButtonBorder;
  border-radius: 6px;
  background: ButtonFace;
  color: ButtonText;
  font: inherit;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
}

button.action {
  cursor: pointer;
}

.quiet {
  display: inline-block;
  min-height: 44px;
  padding: 0.7rem 0;
}

:focus-visible {
  outline: 3px solid Highlight;
  outline-offset: 2px;
}