/* Floating sakura layer — behind all UI (z-index), pointer-events none */

#sakura-layer {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    contain: strict;
}

/* Main content stacks above the sakura layer */
body > :not(#sakura-layer) {
    position: relative;
    z-index: 1;
}

.sakura-petal {
    position: absolute;
    top: 0;
    color: rgba(178, 82, 118, 0.52);
    filter: blur(0.35px);
    will-change: transform, opacity;
    animation-name: sakura-path;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    animation-duration: var(--dur, 22s);
    animation-delay: var(--delay, 0s);
}

.sakura-petal svg {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

body[data-theme="dark"] .sakura-petal {
    color: rgba(200, 110, 145, 0.4);
    filter: blur(0.45px);
}

@keyframes sakura-path {
    0% {
        transform: translate3d(var(--x0, 0px), -12vh, 0) rotate(0deg);
        opacity: 0;
    }

    8% {
        opacity: var(--op, 0.4);
    }

    22% {
        transform: translate3d(var(--x1, 0px), 18vh, 0) rotate(calc(var(--spin, 1turn) * 0.22));
    }

    45% {
        transform: translate3d(var(--x2, 0px), 45vh, 0) rotate(calc(var(--spin, 1turn) * 0.45));
    }

    68% {
        transform: translate3d(var(--x3, 0px), 72vh, 0) rotate(calc(var(--spin, 1turn) * 0.68));
    }

    92% {
        opacity: var(--op, 0.4);
    }

    100% {
        transform: translate3d(var(--x4, 0px), 118vh, 0) rotate(var(--spin, 1turn));
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {

    #sakura-layer,
    #sakura-layer .sakura-petal {
        animation: none !important;
        display: none !important;
    }
}

@media (max-width: 768px) {
    .sakura-petal {
        filter: blur(0.25px);
    }
}