/* Preloader styles — card shimmer + heart animation */
.product-card, .cat-showcase-wrapper, .roulette-card, .order-item-card, .flower-hero-img-container {
    position: relative;
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(2px);
    overflow: hidden;
    min-height: 250px;
}
.card-heart-preloader {
    position: absolute;
    top: 37%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    z-index: 2;
    animation: pulseHeart 1.5s ease-in-out infinite;
    pointer-events: none;
}
.card-heart-preloader path {
    fill: none;
    stroke: url(#heartGrad);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 70;
    stroke-dashoffset: 70;
    animation: drawSnake 2s linear infinite;
}
.product-card::after, .cat-showcase-wrapper::after, .roulette-card::after, .order-item-card::after, .flower-hero-img-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmerBlick 1.5s infinite;
    pointer-events: none;
    z-index: 1;
}
.product-card img, .cat-showcase-wrapper img, .roulette-card img, .order-item-card img, .flower-hero-img-container img {
    opacity: 0 !important;
    transition: opacity 0.5s ease-in-out;
    display: block;
    width: 100%;
    height: auto;
    background: #f0f0f0;
    min-height: 100px;
}
.product-card.loaded img, .cat-showcase-wrapper.loaded img, .roulette-card.loaded img, .order-item-card.loaded img, .flower-hero-img-container.loaded img {
    opacity: 1 !important;
}
.product-card.loaded, .cat-showcase-wrapper.loaded, .roulette-card.loaded, .order-item-card.loaded, .flower-hero-img-container.loaded {
    background: none !important;
    backdrop-filter: none !important;
    min-height: auto !important;
}
.product-card.loaded::after, .cat-showcase-wrapper.loaded::after, .roulette-card.loaded::after, .order-item-card.loaded::after, .flower-hero-img-container.loaded::after,
.product-card.loaded .card-heart-preloader, .cat-showcase-wrapper.loaded .card-heart-preloader,
.roulette-card.loaded .card-heart-preloader, .order-item-card.loaded .card-heart-preloader, .flower-hero-img-container.loaded .card-heart-preloader {
    display: none !important;
    animation: none !important;
}
@keyframes shimmerBlick { 0% { left: -100%; } 100% { left: 200%; } }
@keyframes drawSnake { 0% { stroke-dashoffset: 70; } 50% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -70; } }
@keyframes pulseHeart { 0%, 100% { transform: translate(-50%, -50%) scale(1); } 50% { transform: translate(-50%, -50%) scale(1.15); } }