body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

@supports (min-height: 100dvh) {
  body {
    min-height: 100dvh;
  }
}

body > header,
body > main,
body > footer {
  padding-inline: 1rem;
}

body > main {
  flex: 1;
}

body > footer {
  padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
}

body > header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-sizing: border-box;
  width: min(100%, var(--site-max-width, 64rem));
  margin-inline: auto;
  padding-block: 0.75rem;
  background: #fff;
  color: #222;
}

body > header nav {
  min-width: 0;
}

body > header a,
body > header button {
  color: inherit;
  font: inherit;
}

body > header button {
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

html.js-enabled body > header button[data-share] {
  display: block;
}

body > header button:hover,
body > header button:focus-visible {
  text-decoration: underline;
}