/**
 * Shop Page Styles
 * 
 * Product cards and shop layout styling
 * 
 * @author Loïc Misenta
 * @version 2.0
 * @since 2025-01-17
 */

/* ==========================================================================
   Shop Page Layout
   ========================================================================== */

.shop-page {
    font-family: var(--nsf-font-family-base);
    background-color: var(--nsf-light);
    color: var(--nsf-dark);
}

.shop-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--nsf-space-2xl) var(--nsf-space-md);
}

.shop-header {
    margin-top: var(--nsf-space-xl);
}

.shop-header h1 {
    margin-bottom: 0.35rem;
}

.shop-drop-date {
    margin: 0;
    color: var(--nsf-muted);
    font-size: var(--nsf-font-size-sm, 0.95rem);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}


/* ==========================================================================
   Product Grid
   ========================================================================== */

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, 350px);
    gap: var(--nsf-space-2xl);
    margin-top: var(--nsf-space-2xl);
    justify-content: left;
}

/* ==========================================================================
   Product Cards
   ========================================================================== */

.product-card {
    background: var(--white);
    border-radius: var(--nsf-border-radius-lg);
    box-shadow: 0 4px 6px var(--nsf-shadow);
    overflow: hidden;
    transition: var(--nsf-transition);
    cursor: pointer;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px var(--nsf-shadow-strong);
}

/* Out of Stock State */
.product-card.out-of-stock .product-image-main,
.product-card.out-of-stock .product-image-hover {
    filter: grayscale(40%) opacity(0.7);
}

.product-card.out-of-stock .product-price {
    text-decoration: line-through;
    opacity: 0.5;
}

/* ==========================================================================
   Product Badges
   ========================================================================== */

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 5;
    padding: 6px 14px;
    font-family: var(--nsf-font-family-heading);
    font-size: var(--nsf-font-size-xs, 0.75rem);
    font-weight: var(--nsf-font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 4px;
    line-height: 1;
    pointer-events: none;
}

.badge-sold-out {
    background-color: var(--nsf-accent, #2E282A);
    color: #fff;
}

.badge-new {
    background-color: var(--nsf-primary, #A4C8E1);
    color: var(--nsf-accent, #2E282A);
}

/* Product Image Container */
.product-card .product-image-main,
.product-card .product-image-hover {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--nsf-transition-fast);
}

.product-card .product-image-hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    z-index: 2;
}

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

.product-card:hover .product-image-main {
    opacity: 0;
}

/* Product Information */
.product-info {
    padding: var(--nsf-space-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--white);
}

.product-title {
    font-family: var(--nsf-font-family-heading);
    font-size: var(--nsf-font-size-xl);
    font-weight: var(--nsf-font-weight-semibold);
    color: var(--nsf-accent);
    margin: 0 0 var(--nsf-space-sm) 0;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: var(--nsf-line-height-tight);
}

.product-price {
    font-family: var(--nsf-font-family-heading);
    font-size: var(--nsf-font-size-lg);
    font-weight: var(--nsf-font-weight-bold);
    color: var(--nsf-primary);
    margin: 0;
    text-align: right;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .shop-content {
        padding: var(--nsf-space-xl) var(--nsf-space-md);
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fit, 300px);
        gap: var(--nsf-space-lg);
        justify-content: center;
    }
    
    .product-card .product-image-main,
    .product-card .product-image-hover {
        height: 250px;
    }
    
    .product-info {
        padding: var(--nsf-space-md);
    }
    
    .product-title {
        font-size: var(--nsf-font-size-lg);
    }
    
    .product-price {
        font-size: var(--nsf-font-size-base);
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 280px;
        gap: var(--nsf-space-md);
    }
    
    .product-card .product-image-main,
    .product-card .product-image-hover {
        height: 200px;
    }
    
    .shop-header h1 {
        font-size: var(--nsf-font-size-3xl);
    }
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.product-card.loading {
    opacity: 0.7;
    pointer-events: none;
}

.product-card.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
    animation: loading-shimmer 1.5s infinite;
    z-index: 3;
}

@keyframes loading-shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.product-card:focus {
    outline: 2px solid var(--nsf-primary);
    outline-offset: 2px;
}

.product-card:focus:not(:focus-visible) {
    outline: none;
}

/* For users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .product-card {
        transition: none;
    }
    
    .product-card:hover {
        transform: none;
    }
    
    .product-image-main,
    .product-image-hover {
        transition: none;
    }
    
    .loading-shimmer {
        animation: none;
    }
}