.ayuda-tip {
  background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
  padding: 1.5rem;
  border-radius: 14px;
  margin: 2rem auto;
  max-width: 720px;
  text-align: left;
  box-shadow: 0 0 15px rgba(1, 239, 213, 0.3);
  border: 1px solid #01efd5;
  position: relative;
  overflow: hidden;
}

.ayuda-tip::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(1,239,213,0.15), transparent 70%);
  animation: shimmer 4s infinite linear;
  z-index: 0;
}

.ayuda-tip h3 {
  color: #01efd5;
  margin-bottom: 0.8rem;
  font-size: 1.4rem;
  position: relative;
  z-index: 1;
}

.ayuda-tip code {
  display: block;
  background: #111;
  color: #00ffc3;
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  font-family: 'Courier New', monospace;
  font-size: 0.95rem;
  white-space: pre-wrap;
  box-shadow: inset 0 0 10px rgba(1, 239, 213, 0.2);
  transition: background 0.3s ease;
  position: relative;
  z-index: 1;
}

.ayuda-tip code:hover {
  background: #181818;
}

@keyframes shimmer {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}