.trail {
    position: absolute;
    height: 6px;
    width: 6px;
    border-radius: 50%;
    background: #007bff;
    z-index: 9999;
    pointer-events: none;
    animation: trail-fade 0.5s linear forwards;
    transform: translate(-50%, -50%);
}

@keyframes trail-fade {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
}