/* Alarmas: modal crítico a pantalla completa + flash. Aditivo, no toca el diseño existente. */
#alarmaModalCritica { position: fixed; inset: 0; z-index: 99990; display: flex; align-items: center; justify-content: center; padding: 16px; background: rgba(2,6,23,.92); }
#alarmaModalCritica.hidden { display: none; }
.alarma-flash { animation: alarmaFlash 1s infinite; }
@keyframes alarmaFlash {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,.0); border-color: rgba(239,68,68,.6); }
  50% { box-shadow: 0 0 40px 4px rgba(239,68,68,.45); border-color: #ef4444; }
}
.alarma-btn { min-height: 48px; font-weight: 800; font-size: 13px; border-radius: 12px; padding: 10px 14px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.06); color: #fff; cursor: pointer; }
.alarma-btn-primario { background: #16a34a; border-color: #16a34a; }
@media (max-width: 768px) {
  #alarmaModalCritica > div { width: 100% !important; max-width: 100% !important; }
  .alarma-btn { min-height: 52px; font-size: 14px; }
}