/* Toggle de idioma ES/EN */
.lang-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1002;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.lang-toggle:hover {
  background: rgba(0,0,0,0.8);
  transform: scale(1.05);
}
body.dark .lang-toggle {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}
body:not(.dark) .lang-toggle {
  background: rgba(0,0,0,0.5);
  color: #fff;
}
/* Siempre visible sobre cualquier fondo */
.lang-toggle:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}