/**
 * Public Shop Storefront Styles - Enterprise Glassmorphism Design
 * 
 * Premium styling for the public-facing shop pages using the
 * established design patterns from base.css and admin-dashboard.css.
 */

/* =============================================================================
   CSS Variables
   ============================================================================= */
:root {
    --shop-primary: var(--accent-blue, var(--primary-color, #4169e1));
    --shop-primary-dark: var(--accent-blue-dark, #1348e7);
    --shop-primary-glow: rgba(65, 105, 225, 0.5);
    --shop-success: var(--success-color, #10b981);
    --shop-warning: var(--warning-color, #f59e0b);
    --shop-danger: var(--danger-color, #ef4444);
    --shop-glass-bg: var(--glass-bg, rgba(31, 31, 31, 0.8));
    --shop-glass-border: rgba(65, 105, 225, 0.2);
    --shop-gradient: var(--btn-gradient, linear-gradient(90deg, #4169e1 0%, #1348e7 100%));
    --shop-card-bg: rgba(42, 42, 42, 0.95);
}

/* =============================================================================
   Main Container
   ============================================================================= */
.shop-storefront {
    min-height: 100vh;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* =============================================================================
   Hero Section
   ============================================================================= */
.shop-hero {
    position: relative;
    padding: 4rem 2rem;
    margin: -1rem -1rem 2rem -1rem;
    background: linear-gradient(135deg, rgba(31, 31, 31, 0.95) 0%, rgba(42, 42, 42, 0.95) 100%);
    border-bottom: 1px solid var(--shop-glass-border);
    overflow: hidden;
}

.shop-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(65, 105, 225, 0.15) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(0.95);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.shop-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.shop-hero-title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem 0;
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.shop-hero-subtitle {
    font-family: 'Neon-Regular', sans-serif;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0 2rem 0;
    animation: slideInUp 0.6s ease-out 0.1s both;
}

.shop-hero-search {
    display: flex;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
    padding: 0.5rem;
    background: var(--shop-glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--shop-glass-border);
    border-radius: 50px;
    animation: slideInUp 0.6s ease-out 0.2s both;
    transition: all 0.3s ease;
}

.shop-hero-search:focus-within {
    border-color: var(--shop-primary);
    box-shadow: 0 0 20px var(--shop-primary-glow);
}

.shop-hero-search svg {
    margin: 0 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.shop-hero-search input {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 1rem;
    outline: none;
}

.shop-hero-search input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.shop-hero-search button {
    padding: 0.75rem 1.5rem;
    background: var(--shop-gradient);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.shop-hero-search button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shop-primary-glow);
}

/* =============================================================================
   Main Layout
   ============================================================================= */
.shop-main {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (max-width: 992px) {
    .shop-main {
        grid-template-columns: 1fr;
    }

    .shop-sidebar {
        display: none;
    }
}

/* =============================================================================
   Sidebar
   ============================================================================= */
.shop-sidebar {
    position: sticky;
    top: 1rem;
    height: fit-content;
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.shop-sidebar-section {
    background: var(--shop-glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--shop-glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.shop-sidebar-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 1rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--shop-glass-border);
}

.shop-sidebar-title svg {
    color: var(--shop-primary);
}

.shop-category-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.shop-category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 0.25rem;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-family: 'Neon-Regular', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.shop-category-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.shop-category-item.active {
    background: var(--shop-gradient);
    color: #fff;
    box-shadow: 0 4px 15px -3px var(--shop-primary-glow);
}

.shop-category-count {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
}

.shop-category-item.active .shop-category-count {
    background: rgba(255, 255, 255, 0.2);
}

/* =============================================================================
   Toolbar
   ============================================================================= */
.shop-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--shop-glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--shop-glass-border);
    border-radius: 12px;
}

.shop-toolbar-left,
.shop-toolbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.shop-filter-toggle {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--shop-glass-border);
    border-radius: 8px;
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

@media (max-width: 992px) {
    .shop-filter-toggle {
        display: flex;
    }
}

.shop-filter-toggle:hover {
    background: var(--shop-primary);
    border-color: var(--shop-primary);
}

.shop-results-count {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.shop-sort {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.shop-sort label {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.shop-sort select {
    appearance: none;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--shop-glass-border);
    border-radius: 8px;
    color: #fff;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.shop-sort select:focus {
    outline: none;
    border-color: var(--shop-primary);
}

.shop-sort select option {
    background: #1f1f1f;
}

.shop-sort>svg {
    position: absolute;
    right: 0.75rem;
    pointer-events: none;
    color: rgba(255, 255, 255, 0.5);
}

.shop-view-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--shop-glass-border);
    border-radius: 8px;
    overflow: hidden;
}

.shop-view-toggle button {
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.2s;
}

.shop-view-toggle button:hover {
    color: #fff;
}

.shop-view-toggle button.active {
    background: var(--shop-primary);
    color: #fff;
}

/* =============================================================================
   Active Filters
   ============================================================================= */
.shop-active-filters {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.shop-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(65, 105, 225, 0.15);
    border: 1px solid var(--shop-glass-border);
    border-radius: 50px;
    color: var(--shop-primary);
    font-size: 0.85rem;
}

.shop-filter-tag button {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.shop-filter-tag button:hover {
    opacity: 1;
}

.shop-clear-filters {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: underline;
    transition: color 0.2s;
}

.shop-clear-filters:hover {
    color: #fff;
}

/* =============================================================================
   Products Grid
   ============================================================================= */
.shop-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.shop-products-grid.list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* =============================================================================
   Product Card (Grid View)
   ============================================================================= */
.shop-product-card {
    position: relative;
    background: var(--shop-card-bg);
    border: 1px solid var(--shop-glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: cardSlideIn 0.5s ease-out both;
}

.shop-product-card:nth-child(1) {
    animation-delay: 0.05s;
}

.shop-product-card:nth-child(2) {
    animation-delay: 0.1s;
}

.shop-product-card:nth-child(3) {
    animation-delay: 0.15s;
}

.shop-product-card:nth-child(4) {
    animation-delay: 0.2s;
}

.shop-product-card:nth-child(5) {
    animation-delay: 0.25s;
}

.shop-product-card:nth-child(6) {
    animation-delay: 0.3s;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.shop-product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--shop-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.shop-product-card:hover {
    transform: translateY(-8px);
    border-color: var(--shop-primary);
    box-shadow:
        0 16px 40px rgba(0, 0, 0, 0.5),
        0 0 30px -10px var(--shop-primary-glow);
}

.shop-product-card:hover::before {
    opacity: 1;
}

/* Product Badges */
.shop-product-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.shop-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.shop-badge.new {
    background: linear-gradient(90deg, #10b981 0%, #059669 100%);
    color: #fff;
}

.shop-badge.featured {
    background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
}

.shop-badge.digital {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.shop-badge.physical {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

/* Wishlist Button */
.shop-product-wishlist {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

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

.shop-product-wishlist:hover {
    background: var(--shop-danger);
}

.shop-product-wishlist.active {
    background: var(--shop-danger);
    opacity: 1;
    transform: scale(1);
}

.shop-product-wishlist.active svg {
    fill: currentColor;
}

/* Product Image */
.shop-product-image {
    display: block;
    position: relative;
    aspect-ratio: 1;
    background: rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.shop-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.shop-product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.2);
}

/* Quick Add Overlay */
.shop-product-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.shop-product-card:hover .shop-product-overlay {
    opacity: 1;
}

.shop-quick-add {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--shop-gradient);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.shop-product-card:hover .shop-quick-add {
    transform: translateY(0);
}

.shop-quick-add:hover:not(:disabled) {
    box-shadow: 0 4px 20px var(--shop-primary-glow);
}

.shop-quick-add:disabled {
    background: rgba(108, 117, 125, 0.5);
    cursor: not-allowed;
}

/* Product Content */
.shop-product-content {
    padding: 1.25rem;
}

.shop-product-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--shop-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.shop-product-name {
    display: block;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    transition: color 0.2s;
}

.shop-product-name:hover {
    color: var(--shop-primary);
}

/* Rating */
.shop-product-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.shop-product-rating svg {
    color: rgba(255, 255, 255, 0.2);
    transition: color 0.2s;
}

.shop-product-rating svg.filled {
    color: #fbbf24;
}

.shop-rating-count {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin-left: 0.25rem;
}

/* Product Footer */
.shop-product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.shop-product-price {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}

.shop-product-stock {
    font-size: 0.8rem;
    color: var(--shop-success);
}

.shop-product-stock.low {
    color: var(--shop-warning);
}

/* =============================================================================
   Product Row (List View)
   ============================================================================= */
.shop-product-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--shop-card-bg);
    border: 1px solid var(--shop-glass-border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.shop-product-row:hover {
    border-color: var(--shop-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.shop-product-row-image {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
}

.shop-product-row-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.shop-product-row-info {
    flex: 1;
    min-width: 0;
}

.shop-product-row-name {
    display: block;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.shop-product-row-name:hover {
    color: var(--shop-primary);
}

.shop-product-row-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
}

.shop-product-row-meta {
    display: flex;
    gap: 0.5rem;
}

.shop-product-row-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    min-width: 120px;
}

.shop-product-row-rating svg {
    color: rgba(255, 255, 255, 0.2);
}

.shop-product-row-rating svg.filled {
    color: #fbbf24;
}

.shop-product-row-rating span {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin-left: 0.25rem;
}

.shop-product-row-price {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    min-width: 100px;
    text-align: right;
}

.shop-product-row-actions {
    display: flex;
    gap: 0.5rem;
}

.shop-wishlist-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--shop-glass-border);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.2s;
}

.shop-wishlist-btn:hover {
    background: var(--shop-danger);
    border-color: var(--shop-danger);
    color: #fff;
}

.shop-wishlist-btn.active {
    background: var(--shop-danger);
    border-color: var(--shop-danger);
    color: #fff;
}

.shop-wishlist-btn.active svg {
    fill: currentColor;
}

.shop-add-cart-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--shop-gradient);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.shop-add-cart-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shop-primary-glow);
}

.shop-add-cart-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =============================================================================
   Loading & Empty States
   ============================================================================= */
.shop-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.5);
}

.shop-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(65, 105, 225, 0.2);
    border-top-color: var(--shop-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.shop-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

.shop-empty-state svg {
    color: rgba(255, 255, 255, 0.2);
    margin-bottom: 1.5rem;
}

.shop-empty-state h3 {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1.5rem;
    color: #fff;
    margin: 0 0 0.5rem 0;
}

.shop-empty-state p {
    font-size: 1rem;
    margin: 0 0 1.5rem 0;
}

/* =============================================================================
   Pagination
   ============================================================================= */
.shop-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--shop-glass-border);
}

.shop-page-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--shop-glass-border);
    border-radius: 8px;
    color: #fff;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.shop-page-btn:hover:not(:disabled) {
    background: var(--shop-primary);
    border-color: var(--shop-primary);
}

.shop-page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.shop-page-numbers {
    display: flex;
    gap: 0.25rem;
}

.shop-page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-family: 'Neon-Regular', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.shop-page-num:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.shop-page-num.active {
    background: var(--shop-gradient);
    color: #fff;
    box-shadow: 0 4px 15px -3px var(--shop-primary-glow);
}

/* =============================================================================
   Back to Top Button
   ============================================================================= */
.shop-back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--shop-gradient);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--shop-primary-glow);
    animation: fadeIn 0.3s ease-out;
    transition: transform 0.2s;
    z-index: 100;
}

.shop-back-to-top:hover {
    transform: translateY(-4px);
}

/* =============================================================================
   Buttons
   ============================================================================= */
.shop-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: 'Neon-Regular', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.shop-btn.primary {
    background: var(--shop-gradient);
    color: #fff;
}

.shop-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shop-primary-glow);
}

/* =============================================================================
   Responsive
   ============================================================================= */
@media (max-width: 768px) {
    .shop-hero {
        padding: 3rem 1rem;
    }

    .shop-hero-title {
        font-size: 2rem;
    }

    .shop-hero-subtitle {
        font-size: 1rem;
    }

    .shop-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .shop-toolbar-left,
    .shop-toolbar-right {
        justify-content: space-between;
    }

    .shop-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .shop-product-row {
        flex-wrap: wrap;
    }

    .shop-product-row-info {
        flex-basis: calc(100% - 116px);
    }

    .shop-product-row-rating,
    .shop-product-row-price,
    .shop-product-row-actions {
        flex-basis: 100%;
        margin-top: 0.5rem;
    }

    .shop-product-row-price {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .shop-products-grid {
        grid-template-columns: 1fr;
    }

    .shop-pagination {
        flex-wrap: wrap;
    }

    .shop-page-numbers {
        order: 1;
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }
}