html {
  --details-bg: light-dark(rgb(243, 185, 226), #3b052a);
  --details-color: light-dark(#3b052a, rgb(243, 185, 226));
  --details-accent-bg: light-dark(lightpink, deeppink);
}

main {
  display: flex;
  flex-direction: column;
  gap: 1em;
  width: 100%;
  max-width: 50em;
  margin-inline: auto;
  padding-inline: 1em;
  box-sizing: border-box;
}

body {
  margin: 0;
}

h1 a {
  text-decoration: none;
  color: var(--color);
}

details:open {
  box-shadow: 0 0 1em 1em #ff00ff;
}
summary {
  background: var(--details-bg);
  color: var(--details-color);
}
summary:focus-visible {
  background: var(--details-accent-bg);
}
summary:hover {
  background: #ff00ff;
}

details {
  display: block;
  border-width: 0.1em;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;

  border-style: solid;
  border-color: var(--details-bg);
  border-radius: 0.5em;
  margin-bottom: 1em;
  border: none;

  transition:
    border-color 0.3s,
    background-color 0.3s;
}

details[open] {
  box-shadow: 0 0 0.5em 0.2em #ff00ff;
}
summary {
  padding-block: 1em;
  padding-inline: 1em;
  border-radius: 0.4em;
}

details[open]::details-content {
  padding-inline: 1em;
}

details[open] summary {
  border-bottom: 0.1em solid var(--details-color);
  border-radius: 0.4em 0.4em 0 0;
}

a {
  display: inline-block;
  transition: transform 0.3s ease-in-out;
  color: #ff00ff;
}
a:hover {
  transform: scale(1.04);
}