.loading {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  align-items: center;
  justify-content: center;
  z-index: 9999;
  flex-direction: column;
}


.hidden {
  display: none;
}

.loader {
  width: 40px;
  height: 40px;
  background-color: #facc15;
  /* amarillo */
  border-radius: 50%;
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.6);
    opacity: 0.6;
  }

  50% {
    transform: scale(1.3);
    opacity: 1;
  }

  100% {
    transform: scale(0.6);
    opacity: 0.6;
  }
}

body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 0;
  text-align: center;
}

h1 {
  color: #333;
  margin-top: 40px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 4px;
  margin-top: 20px;
}

button:hover {
  background: #0056b3;
}