body {
  font-family: system-ui, sans-serif;
  margin: 2rem;
}

.rail {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: fixed;
  top: 6rem;
  right: -8rem;
  width: 10rem;
}

.rail > div {
  display: flex;
  justify-content: space-between;
  overflow: hidden;
  background: #f2e8ed;
  border: 1px solid #6b1c23;
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
  position: relative;
}

@media (prefers-reduced-motion: no-preference) {
  .rail > div {
    transition: transform 0.3s ease-in-out;
  }
}

.rail .icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  text-decoration: none;
}

.rail .link {
  line-height: 2.5rem;
  padding-right: 0.5rem;
  white-space: nowrap;
  text-decoration: none;
  color: inherit;
}

.rail .void {
  display: none;
}

/* Maus: Hover schiebt die Rail rein, kein extra Schließen nötig */
@media (hover: hover) {
  .rail > div:hover {
    transform: translateX(-8rem);
  }
}

/* Touch: kein Hover, also per Tap (:target) rein + expliziter Schließen-Pfeil */
@media (hover: none) {
  .rail {
    right: -10rem;
  }
  .rail > div:target {
    transform: translateX(-10rem);
  }
  .rail > div:target .void {
    display: grid;
    place-items: center;
    width: 2rem;
  }
}