html {
    background: #000;
}

body {
    position: relative;
    isolation: isolate;
}

.particles-background {
    position: fixed;
    z-index: -1;
    inset: 0;
    display: block;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    pointer-events: none;
}

:root[data-theme="light"] {
    background: #edf3f9;
}

@media (prefers-reduced-motion: reduce) {
    .particles-background {
        /* The particle field is static; this documents the no-motion behavior. */
        animation: none;
    }
}