/* =========================
   LANGUAGE SWITCH: RU / EN

   Это одна стеклянная капсула с двумя положениями:
   RU и EN.

   ПК:
   - стоит в шапке справа
   - всегда видна

   Мобильный:
   - плавающая кнопка слева сверху
   - появляется при скролле
   - по длине ближе к кнопке навигации страницы
========================= */

.site-header .site-container {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.25rem);
}

.site-header .site-branding {
  min-width: 0;
}

/* Общая капсула */
.ud-lang-switch {
  display: inline-grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;

  min-width: clamp(5.7rem, 10vw, 7rem);
  min-height: clamp(2.2rem, 4.5vw, 2.65rem);

  margin-left: auto;

  padding: clamp(0.18rem, 0.45vw, 0.26rem);

  border-radius: 999rem;
  border: 0.0625rem solid var(--ud-popup-glass-border, rgba(255, 255, 255, 0.12));

  background: var(--ud-popup-glass-bg, rgba(15, 15, 15, 0.11));

  box-shadow:
    0 0.35rem 1.25rem var(--ud-popup-glass-shadow, rgba(0, 0, 0, 0.14)),
    inset 0 0.0625rem 0 var(--ud-popup-glass-inset, rgba(255, 255, 255, 0.14));

  backdrop-filter: var(--ud-popup-glass-blur, blur(0.75rem) saturate(180%));
  -webkit-backdrop-filter: var(--ud-popup-glass-blur, blur(0.75rem) saturate(180%));

  box-sizing: border-box;

  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;

  transition:
    opacity 0.24s ease,
    transform 0.18s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.16s ease;
}

/* Две кликабельные половинки */
.ud-lang-option,
.ud-lang-option:link,
.ud-lang-option:visited,
.ud-lang-option:hover,
.ud-lang-option:active,
.ud-lang-option:focus {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-width: clamp(2.35rem, 4.4vw, 2.9rem);
  min-height: calc(clamp(2.2rem, 4.5vw, 2.65rem) - clamp(0.36rem, 0.9vw, 0.52rem));

  padding:
    clamp(0.4rem, 0.9vw, 0.56rem)
    clamp(0.58rem, 1.3vw, 0.78rem);

  border-radius: 999rem;

  color: var(--ud-theme-popup-text, var(--ud-theme-dark)) !important;

  font-size: clamp(0.78rem, 1.6vw, 0.92rem);
  font-weight: 850;
  line-height: 1;
  text-decoration: none !important;
  text-align: center;
  white-space: nowrap;

  box-sizing: border-box;
  outline: none !important;

  transition:
    background-color 0.18s ease,
    opacity 0.18s ease,
    transform 0.16s ease,
    filter 0.16s ease;
}

.ud-lang-option.is-current {
  background:
    radial-gradient(circle at 32% 22%, rgba(255, 255, 255, 0.22), transparent 42%),
    var(--ud-popup-glass-bg-active, rgba(15, 15, 15, 0.23));

  box-shadow:
    inset 0 0.0625rem 0 var(--ud-popup-glass-inset, rgba(255, 255, 255, 0.14));

  opacity: 1;
  cursor: default;
}

.ud-lang-option.is-target {
  opacity: 0.68;
}

.ud-lang-option.is-target:hover {
  opacity: 1;
  background: var(--ud-popup-glass-bg-hover, rgba(15, 15, 15, 0.17));
  transform: scale(1.03);
}

.ud-lang-option.is-target:active {
  background: var(--ud-popup-glass-bg-active, rgba(15, 15, 15, 0.23));
  transform: scale(0.96);
  filter: brightness(1.08);
}

.ud-lang-option:focus-visible {
  outline: 0.12rem solid rgba(201, 169, 74, 0.75) !important;
  outline-offset: 0.12rem;
}

.ud-lang-switch-sep {
  align-self: center;

  width: 0.0625rem;
  height: 52%;

  margin: 0 clamp(0.08rem, 0.3vw, 0.14rem);

  background: var(--ud-popup-divider-soft-color, rgba(8, 8, 8, 0.32));
  opacity: 0.38;
}

/* =========================
   MOBILE
========================= */

@media (max-width: 48rem) {
  .site-header .ud-lang-switch {
    position: fixed;
    top: clamp(0.65rem, 3vw, 0.85rem);
    left: clamp(0.65rem, 3vw, 0.85rem);
    right: auto;
    bottom: auto;

    z-index: 9998;

    margin-left: 0;

    /* длина ближе к кнопке навигации страницы */
    min-width: clamp(5.3rem, 24vw, 6.5rem);
    min-height: clamp(2.25rem, 8.6vw, 2.65rem);

    padding: clamp(0.14rem, 0.7vw, 0.22rem);

    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.35rem) scale(1);

    border: none;
  }

  .site-header .ud-lang-switch.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .site-header .ud-lang-option,
  .site-header .ud-lang-option:link,
  .site-header .ud-lang-option:visited,
  .site-header .ud-lang-option:hover,
  .site-header .ud-lang-option:active,
  .site-header .ud-lang-option:focus {
    min-width: clamp(2.25rem, 10vw, 2.85rem);
    min-height: clamp(1.95rem, 7.2vw, 2.35rem);

    padding:
      clamp(0.36rem, 1.8vw, 0.5rem)
      clamp(0.46rem, 2.2vw, 0.68rem);

    font-size: clamp(0.66rem, 2.85vw, 0.82rem);
  }

  .site-header .ud-lang-option.is-target:hover {
    background: transparent;
    transform: none;
  }

  .site-header .ud-lang-option.is-target:active {
    background: var(--ud-popup-glass-bg-active, rgba(15, 15, 15, 0.23));
    transform: scale(0.94);
    filter: brightness(1.08);
  }
}