*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 1rem;

  background: var(--pp-bg);
  color: var(--pp-fg);

  font-family: system-ui, sans-serif;
  line-height: 1.5;
}

main {
  margin: 0 auto;
}

h1 {
  color: var(--pp-fg-bold);
}

ul {
  padding: 0;
  list-style: none;
}

li + li {
  margin-top: 0.75rem;
}

a {
  color: var(--pp-link);
  text-decoration-color: color-mix(in srgb, currentColor 50%, transparent);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--pp-link-hover);
  text-decoration-color: currentColor;
}

a:focus-visible {
  outline: 2px solid var(--pp-accent);
  outline-offset: 4px;
}

#theme-switcher {
  position: fixed;
  top: 1rem;
  right: 1rem;

  width: 2.5rem;
  height: 2.5rem;
  padding: 0;

  display: grid;
  place-items: center;

  color: var(--pp-fg);
  background: var(--pp-input-bg);

  border: 1px solid var(--pp-border);

  font: inherit;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

#theme-switcher:hover {
  background: var(--pp-hover-bg);
}

#theme-switcher:focus-visible {
  outline: 2px solid var(--pp-accent);
  outline-offset: 2px;
}