::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #F1F3F5; }
::-webkit-scrollbar-thumb { background: #C4CBD3; border-radius: 4px; }

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(30,190,93,.45); }
    70% { box-shadow: 0 0 0 16px rgba(30,190,93,0); }
    100% { box-shadow: 0 0 0 0 rgba(30,190,93,0); }
}
.pulse-zap { animation: pulse-ring 2.2s infinite; }