/* =========================================================
   Language switch — EN / KO
   Requires base.css
   ========================================================= */

/* English is the default view, so the first paint is normally a swap. Hiding
   the body keeps that swap off-screen. Scoped to .js because a visitor without
   JS gets the Korean markup as-is and must never see a blank page; the inline
   head script also clears this on a timer in case i18n.js fails to load. */
.js.i18n-pending body {
  visibility: hidden;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(37, 99, 235, 0.16);
  border-radius: var(--radius-pill);
  background: rgba(var(--surface-rgb), 0.82);
  box-shadow: 0 8px 22px rgba(29, 78, 216, 0.06);
}

.lang-switch button {
  min-width: 36px;
  height: 30px;
  padding: 0 var(--space-2);
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-tertiary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    color 180ms var(--ease),
    background 180ms var(--ease);
}

.lang-switch button:hover {
  color: var(--primary-700);
}

/* --primary-500 measured 3.71:1 under white — the pressed pill is 12px, so it
   takes the deeper blue that is reserved for white-on-blue backgrounds. */
.lang-switch button[aria-pressed='true'] {
  color: var(--text-inverse);
  background: var(--skip-bg);
  box-shadow: 0 4px 12px rgba(49, 130, 246, 0.32);
}

.lang-switch button:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* The header runs out of room well before the hamburger appears, so below the
   desktop breakpoint the switch moves into the mobile menu instead. */
.mobile-nav .lang-switch {
  display: none;
}

@media (max-width: 1023px) {
  .header-actions .lang-switch {
    display: none;
  }

  .mobile-nav .lang-switch {
    display: inline-flex;
    margin-bottom: var(--space-5);
  }

  .mobile-nav .lang-switch button {
    min-width: 52px;
    height: 36px;
    font-size: 13px;
  }
}