.lang-switcher {
  position: relative;
  z-index: 1000;
  flex-shrink: 0;
  margin-right: 0.5rem;
}

.lang-switcher__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  height: 2.5rem;
  padding: 0 0.85rem;
  border: 1px solid var(--color-border, #e0e0e0);
  border-radius: 0.375rem;
  background: var(--color-white, #fff);
  color: var(--color-text-primary, #333);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.lang-switcher__btn:hover {
  background: var(--color-bg-lighter, #f8f9fa);
  color: var(--color-primary, #0047bb);
}

.lang-switcher__btn[aria-expanded="true"] {
  border-color: var(--color-primary, #0047bb);
  color: var(--color-primary, #0047bb);
}

.lang-switcher__chevron {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.lang-switcher__btn[aria-expanded="true"] .lang-switcher__chevron {
  transform: rotate(180deg);
}

/* Override header ul { display: flex } — vertical dropdown */
header .lang-switcher__list,
.lang-switcher__list {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  left: auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.15rem;
  width: max-content;
  min-width: 11.5rem;
  max-width: min(16rem, calc(100vw - 1.5rem));
  max-height: min(70vh, 22rem);
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  padding: 0.4rem;
  list-style: none;
  border: 1px solid var(--color-border, #e0e0e0);
  border-radius: 0.5rem;
  background: var(--color-white, #fff);
  box-shadow: var(--shadow-md, 0 4px 15px rgba(0, 0, 0, 0.08));
}

header .lang-switcher__list[hidden],
.lang-switcher__list[hidden] {
  display: none !important;
}

header .lang-switcher__list li,
.lang-switcher__list li {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  line-height: normal;
}

header .lang-switcher__list a,
.lang-switcher__link {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 0.55rem 0.75rem;
  border-radius: 0.375rem;
  color: var(--color-text-primary, #333);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
  text-align: left;
  white-space: nowrap;
  writing-mode: horizontal-tb;
  direction: ltr;
  transition: background-color 0.15s ease, color 0.15s ease;
}

header .lang-switcher__list a:hover,
.lang-switcher__link:hover {
  background: var(--color-bg-lighter, #f8f9fa);
  color: var(--color-primary, #0047bb);
}

header .lang-switcher__list a.lang-switcher__item--active,
.lang-switcher__item--active {
  background: rgba(0, 71, 187, 0.08);
  color: var(--color-primary, #0047bb);
  font-weight: 600;
  pointer-events: none;
}

.lang-switcher--mobile {
  margin: 0 0 1rem;
  display: none;
}

.lang-switcher--mobile .lang-switcher__btn {
  width: 100%;
  justify-content: space-between;
}

header .lang-switcher--mobile .lang-switcher__list,
.lang-switcher--mobile .lang-switcher__list {
  position: static;
  margin-top: 0.5rem;
  max-width: none;
  width: 100%;
  box-shadow: none;
}

@media (max-width: 900px) {
  .header__right .lang-switcher:not(.lang-switcher--mobile) {
    margin-right: 0;
  }

  .lang-switcher__btn {
    height: 2.25rem;
    padding: 0 0.65rem;
    font-size: 0.8125rem;
  }

  header .lang-switcher__list,
  .lang-switcher__list {
    right: 0;
    left: auto;
  }
}