#mouseflow {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 300px;
    pointer-events: none;
    border-radius: 50%;
    background: radial-gradient(
        circle at center,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 0, 212, 0.15) 35%,
        rgba(110, 0, 255, 0.25) 65%,
        rgba(0, 0, 0, 0) 90%
    );
    filter: blur(90px) brightness(1.1) contrast(1.4);
    z-index: 9999;
    transform: translate(-50%, -50%);
    mix-blend-mode: screen;
    opacity: 0.5;
    transition: opacity 0.4s ease, background 0.4s ease, filter 0.4s ease;
    will-change: transform, opacity;
    pointer-events: none;
}

[data-theme="dark"] #mouseflow {
    mix-blend-mode: lighten;
}
[data-theme="light"] #mouseflow {
    mix-blend-mode: multiply;
}

/* Désactive sur mobile */
@media (hover: none) {
    #mouseflow {
    display: none;
    }
}