/* Conteneur global des flocons */
#coda-snowflakes-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

/* Un flocon (wrapper du SVG) */
.coda-snowflake {
    position: absolute;
    top: -10vh;
    will-change: transform, opacity;
    opacity: 1;
    animation-name: coda-snowfall;
    animation-timing-function: linear;
    animation-iteration-count: 1;
}

/* Animation de chute */
@keyframes coda-snowfall {
    0% {
        transform: translate3d(var(--coda-snowflake-x, 0), -10vh, 0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate3d(
            calc(var(--coda-snowflake-x, 0) + var(--coda-snowflake-drift, 0)),
            110vh,
            0
        ) rotate(360deg);
        opacity: 0;
    }
}

/* Respecte les préférences "réduction des animations" */
@media (prefers-reduced-motion: reduce) {
    #coda-snowflakes-container {
        display: none !important;
    }
}