.headerlang01 {
  position: relative;
}

.headerlang01__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  transition: background var(--t-fast) var(--ease);
}

.headerlang01__trigger:hover,
.headerlang01__trigger:focus-visible {
  background: color-mix(in srgb, var(--color-surface) 70%, var(--color-border));
}

.headerlang01__name {
  display: none;
}

.headerlang01__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 var(--space-1);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.headerlang01__menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  z-index: 80;
  min-width: 9.5rem;
  padding: var(--space-1) 0;
  background: var(--color-bg);
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(0.96);
  transform-origin: top right;
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), visibility var(--t-fast) var(--ease);
}

.headerlang01[data-open="true"] .headerlang01__menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
}

.headerlang01__option {
  margin: 0;
}

.headerlang01__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  text-align: start;
}

.headerlang01__link:hover,
.headerlang01__link:focus-visible,
.headerlang01__link[aria-selected="true"] {
  color: var(--color-text);
  background: var(--color-surface);
}