.oneko-pet-layer {
    position: fixed;
    inset: 0;
    z-index: 35;
    overflow: hidden;
    pointer-events: none;
    contain: layout style paint;
}

.oneko-cat {
    position: absolute;
    z-index: 2;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    appearance: none;
    background: transparent;
    pointer-events: auto;
    touch-action: none;
    cursor: grab;
    will-change: transform;
}

.oneko-cat__sprite {
    display: block;
    background-image: url('../img/oneko-tora.gif');
    background-repeat: no-repeat;
    image-rendering: pixelated;
    will-change: transform, background-position, filter;
    filter: drop-shadow(0 5px 8px rgba(209, 165, 255, 0.42));
    transition: transform 160ms ease, filter 160ms ease;
}

.oneko-cat.is-dragging {
    cursor: grabbing;
}

.oneko-cat.is-dragging .oneko-cat__sprite {
    transform: scale(1.08);
    filter: drop-shadow(0 0 11px rgba(255, 214, 112, 0.78));
}

.oneko-butterfly {
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    appearance: none;
    background: transparent;
    pointer-events: auto;
    touch-action: manipulation;
    cursor: pointer;
    will-change: transform;
    filter: drop-shadow(0 0 7px rgba(255, 208, 102, 0.9));
}

.oneko-butterfly__wing {
    position: absolute;
    top: 10px;
    width: 13px;
    height: 17px;
    border: 2px solid rgba(255, 244, 209, 0.9);
    background: linear-gradient(145deg, #ffe08a 8%, #d8a7ff 55%, #8256c7 100%);
}

.oneko-butterfly__wing--left {
    left: 8px;
    border-radius: 90% 25% 72% 35%;
    transform-origin: right center;
    animation: oneko-wing-left 320ms ease-in-out infinite alternate;
}

.oneko-butterfly__wing--right {
    right: 8px;
    border-radius: 25% 90% 35% 72%;
    transform-origin: left center;
    animation: oneko-wing-right 320ms ease-in-out infinite alternate;
}

.oneko-butterfly__body {
    position: absolute;
    z-index: 1;
    left: 21px;
    top: 12px;
    width: 3px;
    height: 17px;
    border-radius: 999px;
    background: #fff5cf;
    box-shadow: 0 0 5px rgba(255, 220, 130, 0.95);
}

.oneko-trail {
    position: absolute;
    left: -3px;
    top: -3px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    opacity: 0.65;
    background: #d7a8ff;
    box-shadow: 0 0 8px currentColor;
    will-change: transform;
}

.oneko-trail-2 {
    width: 5px;
    height: 5px;
    color: #ffd777;
    opacity: 0.52;
}

.oneko-trail-3 {
    width: 4px;
    height: 4px;
    opacity: 0.38;
}

.oneko-pet-layer[data-mode='rest'] .oneko-trail,
.oneko-pet-layer[data-interaction-mode='cursor'] .oneko-trail,
.oneko-pet-layer[data-interaction-mode='sleep'] .oneko-trail {
    display: none;
}

.oneko-pet-layer[data-mode='rest'] .oneko-butterfly__wing {
    animation-duration: 900ms;
}

.oneko-pet-layer[data-interaction-mode='cursor'] .oneko-butterfly {
    opacity: 0.36;
}

.oneko-pet-layer[data-interaction-mode='sleep'] .oneko-butterfly {
    opacity: 0.22;
}

.oneko-cat:focus-visible,
.oneko-butterfly:focus-visible {
    outline: 2px solid rgba(255, 224, 138, 0.95);
    outline-offset: 2px;
    border-radius: 12px;
}

@keyframes oneko-wing-left {
    from { transform: rotate(-42deg) scaleX(0.72); }
    to { transform: rotate(-12deg) scaleX(1); }
}

@keyframes oneko-wing-right {
    from { transform: rotate(42deg) scaleX(0.72); }
    to { transform: rotate(12deg) scaleX(1); }
}

@media (max-width: 767px) {
    .oneko-cat__sprite {
        filter: drop-shadow(0 3px 5px rgba(209, 165, 255, 0.35));
    }

    .oneko-butterfly {
        opacity: 0.82;
    }
}

@media (prefers-reduced-motion: reduce) {
    .oneko-cat,
    .oneko-cat__sprite,
    .oneko-butterfly,
    .oneko-trail {
        will-change: auto;
    }

    .oneko-butterfly__wing {
        animation: none;
    }
}