.custom-alert {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}

.custom-alert.hidden {
  display: none;
}

.custom-alert-box {
  background: #052a51; /* azul empresa */
  color: #fff;
  padding: 25px;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  animation: pop .2s ease-in-out;
}

.custom-alert-box button {
  margin-top: 20px;
  background: #fff;
  color: #052a51;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
}

@keyframes pop {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}