/* ==============================================
   product-card.css - shadcn Card Component Style
   Borderless, image-first layout (Musinsa/29CM)
   ============================================== */

.product-card {
    background-color: transparent;
    border: none;
    border-radius: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: none;
    transform: none;
}

/* Image: 3:4 aspect ratio — rounded corners on image, not card */
.card-image-wrap {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    border-radius: var(--radius-card);
    background-color: var(--color-secondary-bg);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.product-card:hover .card-image {
    transform: scale(1.05);
}

/* Wishlist button on hover - 44px min touch target (iOS HIG) */
.card-wishlist-btn {
    position: absolute;
    top: 48px;
    right: var(--space-2);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: hsla(var(--card), 0.9);
    backdrop-filter: blur(4px);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease, background 0.2s ease;
    z-index: var(--z-content);
    -webkit-tap-highlight-color: transparent;
}

.product-card:hover .card-wishlist-btn,
.card-wishlist-btn.wishlisted {
    opacity: 1;
    transform: scale(1);
}

.card-wishlist-btn:hover {
    background: var(--color-card-bg);
    color: var(--color-sale);
}

.card-wishlist-btn.wishlisted {
    color: var(--color-sale);
}

.card-wishlist-btn.wishlisted svg {
    fill: var(--color-sale);
}

/* Quick view overlay on hover */
.card-quick-view {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-2);
    background: linear-gradient(transparent, hsla(var(--foreground), 0.4));
    display: flex;
    justify-content: center;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.product-card:hover .card-quick-view {
    opacity: 1;
    transform: translateY(0);
}

.card-quick-view-btn {
    background: hsla(var(--card), 0.95);
    color: var(--color-text);
    border: none;
    padding: var(--space-15) var(--space-4);
    border-radius: var(--radius-btn);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: background 0.15s ease;
}

.card-quick-view-btn:hover {
    background: var(--color-card-bg);
}

/* Mobile: always show wishlist - maintain 44px min touch target */
@media (max-width: 767px) {
    .card-wishlist-btn {
        opacity: 1;
        transform: scale(1);
        width: 44px;
        height: 44px;
    }
    .card-quick-view {
        display: none;
    }
}

.card-badge {
    position: absolute;
    top: var(--space-2);
    left: var(--space-2);
    padding: var(--space-05) var(--space-2);
    font-size: var(--text-2xs);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wider);
    border-radius: var(--radius-badge);
}

.badge-sale {
    background-color: var(--color-badge-sale);
    color: var(--color-on-dark);
}

.badge-soldout {
    background-color: hsl(var(--neutral-500));
    color: var(--color-on-dark);
}

.badge-express {
    background: var(--color-primary);
    color: #fff;
    font-size: var(--text-2xs, 0.6875rem);
    padding: var(--space-05, 2px) var(--space-2, 6px);
    border-radius: var(--radius-badge, 4px);
    position: absolute;
    top: var(--space-2, 8px);
    right: var(--space-2, 8px);
    left: auto;
    z-index: 1;
}

.badge-low-stock {
    background: hsl(var(--red-600, 0 72% 51%));
    color: #fff;
    font-size: var(--text-2xs, 0.6875rem);
    font-weight: var(--font-bold, 700);
    padding: var(--space-05, 2px) var(--space-2, 6px);
    border-radius: var(--radius-badge, 4px);
    position: absolute;
    bottom: var(--space-2, 8px);
    left: var(--space-2, 8px);
    z-index: 1;
    animation: pulse-stock 2s ease-in-out infinite;
}

@keyframes pulse-stock {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.badge-new {
    background: hsl(var(--blue-600, 217 91% 60%));
    color: #fff;
    font-size: var(--text-2xs, 0.6875rem);
    font-weight: var(--font-bold, 700);
    padding: var(--space-05, 2px) var(--space-2, 6px);
    border-radius: var(--radius-badge, 4px);
    position: absolute;
    top: var(--space-2, 8px);
    left: var(--space-2, 8px);
    z-index: 1;
}

/* Card Body — no horizontal padding (borderless card) */
.card-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-15);
    padding: var(--space-25) 0;
    flex: 1;
}

.card-shop {
    font-size: var(--text-2xs);
    font-weight: var(--font-medium);
    color: var(--color-text-muted);
    letter-spacing: var(--tracking-wide);
}

.card-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: var(--leading-snug);
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Price */
.card-price-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-15);
    margin-top: auto;
    padding-top: var(--space-1);
}

.card-price {
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    color: var(--color-text);
}

.card-price-original {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.card-price-sale {
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    color: var(--color-sale);
}

/* Review/Rating Row */
.card-review-row {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-top: var(--space-1);
}

.card-stars {
    display: inline-flex;
    gap: 1px;
}

.card-star {
    width: 12px;
    height: 12px;
}

.card-star.star-filled {
    color: var(--color-star-filled);
}

.card-star.star-empty {
    color: var(--color-star-empty);
}

.card-review-count {
    font-size: var(--text-2xs);
    color: var(--color-text-muted);
}

/* Outlink Button */
.card-body .btn-outlink {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
}

/* Sold-out overlay on card image */
.card-soldout-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    pointer-events: none;
}

.card-soldout-text {
    font-size: 1.25rem;
    font-weight: var(--font-bold);
    color: #fff;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.375rem 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-btn);
    background: rgba(0, 0, 0, 0.25);
}

/* CSS-based image error placeholder */
.card-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary-bg, #f5f5f5);
}

.card-image-placeholder::after {
    content: attr(data-shop-name);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-muted, #999);
    text-align: center;
    padding: var(--space-4);
    box-sizing: border-box;
    line-height: var(--leading-snug);
}

/* Dark mode: extra bottom spacing for visual separation */
[data-theme="dark"] .card-body {
    padding-bottom: var(--space-3);
}

/* === Staggered Grid Animation === */
@keyframes card-enter {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Cards hidden by default in animated grids */
.product-grid .product-card {
    opacity: 0;
}

/* When grid-animated class is added by JS, cards animate in with stagger */
.product-grid.grid-animated .product-card {
    animation: card-enter 0.4s ease-out forwards;
    animation-delay: calc(var(--card-index, 0) * 50ms);
}

/* === Scroll-Driven Card Entrance (ANIM-05) === */

/* Keyframes for scroll-based card entrance (separate from initial stagger) */
@keyframes card-scroll-enter {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* CSS-native scroll-driven animation for supporting browsers */
@supports (animation-timeline: view()) {
    .product-grid .product-card {
        animation: card-scroll-enter 0.5s ease-out both;
        animation-timeline: view();
        animation-range: entry 0% entry 30%;
    }
}

/* IntersectionObserver fallback animation (for Firefox) */
@supports not (animation-timeline: view()) {
    .product-grid .product-card.card-visible {
        animation: card-scroll-enter 0.4s ease-out forwards;
        animation-delay: calc(var(--card-index, 0) * 50ms);
    }
}

/* Prefers-reduced-motion: skip ALL card animations */
@media (prefers-reduced-motion: reduce) {
    .product-grid .product-card {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
    }
    .product-grid.grid-animated .product-card {
        animation: none;
        opacity: 1;
    }
}

/* === Desktop Hover Second Image === */
.card-image-secondary {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.product-card:hover .card-image-secondary {
    opacity: 1;
}

/* Mobile adjustments */
@media (max-width: 767px) {
    .card-body {
        padding: var(--space-2) 0;
    }

    .card-name {
        font-size: var(--text-xs);
    }

    .card-price,
    .card-price-sale {
        font-size: var(--text-md);
    }

    .card-body .btn-outlink {
        font-size: var(--text-xs);
        padding: var(--space-2);
    }

    .card-soldout-text {
        font-size: 1rem;
        padding: 0.25rem 1rem;
    }

    .card-image-secondary {
        display: none;
    }
}