body { -webkit-tap-highlight-color: transparent; }
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 0.4; }
  100% { transform: scale(0.95); opacity: 0.8; }
}
.pulse-ring { animation: pulse-ring 2s infinite ease-in-out; }