/* Readable base styles: 16px minimum body text, large tap targets, a visible focus outline. */
:root {
  color-scheme: light dark;
  --measure: 40rem;
}

html {
  font-size: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.125rem;
  line-height: 1.6;
}

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
}

a,
button,
input,
select,
textarea {
  font: inherit;
}

button,
input,
select,
textarea {
  min-height: 2.75rem;
  padding: 0.5rem 0.75rem;
}

button,
a.button {
  min-width: 2.75rem;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid #1a5fd0;
  outline-offset: 2px;
}