body {
  font-family: sans-serif;
}
button {
  cursor: pointer;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.5); /* blue-500 */
  }
  70% {
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
  }
}

.ring-pulse-blue {
  animation: pulse-ring 1.5s infinite;
  border: 2px solid #3b82f6; /* blue-500 */
  border-radius: 0.5rem;
}