/* =========================================
   LANG SWITCHER · selector de idioma
   ========================================= */

.lang-switcher {
  position: relative;
}

/* Botón disparador */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(68, 220, 241, 0.25);
  border-radius: 50px;
  color: var(--blanco);
  font-family: var(--fuente-cuerpo);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.lang-toggle:hover {
  background: rgba(68, 220, 241, 0.15);
  border-color: var(--cian);
}

.lang-flag {
  font-size: 1.1rem;
  line-height: 1;
}

.lang-code {
  letter-spacing: 1px;
}

.lang-chevron {
  width: 14px;
  height: 14px;
  opacity: 0.7;
  transition: transform 0.3s var(--ease);
}

.lang-switcher.open .lang-chevron {
  transform: rotate(180deg);
}

/* Menú desplegable */
.lang-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 180px;
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  background: rgba(15, 73, 81, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(68, 220, 241, 0.25);
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  z-index: 1001;
}

.lang-switcher.open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-menu li {
  display: block;
}

.lang-menu button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: transparent;
  border: none;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--fuente-cuerpo);
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-menu button:hover {
  background: rgba(68, 220, 241, 0.12);
  color: var(--blanco);
}

.lang-menu button.is-active {
  color: var(--cian);
  background: rgba(68, 220, 241, 0.1);
}

.lang-menu .lang-name {
  flex: 1;
}

.lang-menu .check {
  width: 16px;
  height: 16px;
  color: var(--lima);
}

/* Responsive */
@media (max-width: 900px) {
  .lang-switcher { margin-right: 0.5rem; }
  .lang-menu { right: 0; left: auto; }
}

@media (max-width: 640px) {
  .lang-toggle {
    padding: 0.4rem 0.7rem;
    font-size: 0.8rem;
  }
  .lang-code { display: none; }
}