.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 10px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: var(--blur-background);
  -webkit-backdrop-filter: var(--blur-background);
}

.lang-switch__btn {
  appearance: none;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 36px;
  border-radius: 10px;
  background: transparent;
  color: var(--color-text-dark);
  transition: transform 0.12s ease, background 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.lang-switch__btn:hover {
  background: var(--color-bg-hover);
  transform: translateY(-1px);
}

.lang-switch__btn:active {
  transform: translateY(0);
}

.lang-switch__btn:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-hover);
}

.lang-switch__btn.is-active {
  background: var(--color-primary);
  border-color: rgba(0, 0, 0, 0.05);
  box-shadow: var(--shadow-green);
}

.lang-switch__btn.is-active .lang-switch__flag {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.45);
}

.lang-switch__flag {
  width: 22px;
  height: 16px;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
}