* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
main {
  scroll-behavior: smooth;
}

body {
  background-color: var(--surface);
  color: var(--contrast);
  color-scheme: var(--color-scheme);
  accent-color: var(--primary);
}

summary {
  cursor: pointer;
}

/* Layout */

body {
  height: 100vh;
  height: 100svh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

nav {
  background-color: var(--surface-variant);
  color: var(--contrast);
  padding: 1rem;
}

footer {
  background-color: var(--surface-variant);
  color: var(--contrast);
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1em;
}