@keyframes textColorChange {
  0%, 100% { color: #FF0000; text-shadow: 0 0 10px #FF0000; }  /* Red */
  25% { color: #00FF00; text-shadow: 0 0 10px #00FF00; } /* Green */
  50% { color: #0000FF; text-shadow: 0 0 10px #0000FF; } /* Blue */
  75% { color: #FFD700; text-shadow: 0 0 10px #FFD700; } /* Gold */
}

#aiThinking {
  display: none;
  position: fixed;
  width: 80%;
  top: 10%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 40px;
  font-weight: bold;
  text-align: center;
  animation: textColorChange 1s infinite;
  background: rgba(0, 0, 0, 0.7);
  padding: 20px;
  border-radius: 15px;
  z-index: 99999999;
  box-shadow: 0 0 10px rgb(255, 255, 255, 0.5);
}


footer {   
  position: fixed;   
  bottom: 60px;   
  left: 50%;   
  transform: translateX(-50%);   
  text-align: center;   
  width: 100%; 
}  

@media (min-width: 768px) {
  footer {
    width: auto;
    left: calc(50% + 125px);
    transform: translateX(-50%);
  }
}  

footer p {   
  font-size: 14px;   
  color: white; 
}