/**
 * Shop Page - Modern Premium Layout
 * Minimal, cinematic design with filters and product grid
 */

/* ============================================
   SHOP PAGE LAYOUT
   ============================================ */
.shop-page {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-8) 0;
}

@media (min-width: 1024px) {
    .shop-page {
        grid-template-columns: 280px 1fr;
    }
}

/* ============================================
   TOP FILTER BAR
   ============================================ */
.shop-header {
    background: var(--neutral-0);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-6);
}

.shop-header-top {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

@media (min-width: 768px) {
    .shop-header-top {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.shop-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0;
}

.shop-results-count {
    font-size: var(--text-sm);
    color: var(--neutral-500);
    font-weight: 500;
}

/* Search Bar */
.shop-search {
    position: relative;
    flex: 1;
    max-width: 500px;
}

.shop-search-input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-12);
    font-size: var(--text-base);
    border: 2px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.shop-search-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.1);
}

.shop-search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--neutral-400);
    font-size: var(--text-lg);
}

/* Filter Controls */
.shop-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
}

.shop-sort {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.shop-sort-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--neutral-700);
}

.shop-sort-select {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    border: 2px solid var(--neutral-300);
    border-radius: var(--radius-md);
    background: var(--neutral-0);
    cursor: pointer;
    transition: all var(--transition-base);
}

.shop-sort-select:focus {
    outline: none;
    border-color: var(--primary-500);
}

.shop-view-toggle {
    display: flex;
    gap: var(--space-1);
    background: var(--neutral-100);
    padding: var(--space-1);
    border-radius: var(--radius-md);
}

.shop-view-btn {
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--neutral-500);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.shop-view-btn.active {
    background: var(--neutral-0);
    color: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   STICKY FILTER SIDEBAR
   ============================================ */
.shop-filters {
    background: var(--neutral-0);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    height: fit-content;
}

@media (min-width: 1024px) {
    .shop-filters {
        position: sticky;
        /* Keep sidebar fully below fixed header + top bar */
        top: 120px;
    }
}

.shop-filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--neutral-200);
}

.shop-filters-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0;
}

.shop-filters-clear {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary-600);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.shop-filters-clear:hover {
    color: var(--primary-700);
}

/* Filter Section */
.filter-section {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--neutral-200);
}

.filter-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.filter-section-title {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--neutral-800);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.filter-section-toggle {
    color: var(--neutral-400);
    font-size: var(--text-sm);
    transition: transform var(--transition-base);
}

.filter-section.collapsed .filter-section-toggle {
    transform: rotate(-90deg);
}

.filter-section-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Filter Options */
.filter-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-option:hover {
    color: var(--primary-600);
}

.filter-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--neutral-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-checkbox:checked {
    background: var(--primary-500);
    border-color: var(--primary-500);
}

.filter-label {
    flex: 1;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--neutral-700);
}

.filter-count {
    font-size: var(--text-xs);
    color: var(--neutral-400);
}

/* Price Range Filter */
.filter-price-range {
    padding: var(--space-4) 0;
}

.filter-price-inputs {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-2);
    align-items: center;
    margin-top: var(--space-3);
}

.filter-price-input {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    border: 2px solid var(--neutral-300);
    border-radius: var(--radius-md);
    text-align: center;
}

.filter-price-separator {
    color: var(--neutral-400);
    font-weight: 600;
}

.filter-price-slider {
    width: 100%;
    height: 6px;
    background: var(--neutral-200);
    border-radius: var(--radius-full);
    outline: none;
    margin-top: var(--space-4);
}

/* Active Filters */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.active-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--primary-100);
    color: var(--primary-800);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.active-filter-remove {
    background: none;
    border: none;
    color: var(--primary-700);
    cursor: pointer;
    font-size: var(--text-sm);
    padding: 0;
    display: flex;
    align-items: center;
}

/* ============================================
   PRODUCT GRID
   ============================================ */
.shop-products {
    min-height: 600px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (min-width: 640px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
}

@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* List View */
.products-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.product-card-list {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-6);
    background: var(--neutral-0);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.product-card-list:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(4px);
}

/* Empty State */
.shop-empty {
    text-align: center;
    padding: var(--space-16) var(--space-8);
}

.shop-empty-icon {
    font-size: 4rem;
    color: var(--neutral-300);
    margin-bottom: var(--space-6);
}

.shop-empty-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--neutral-700);
    margin-bottom: var(--space-3);
}

.shop-empty-text {
    font-size: var(--text-base);
    color: var(--neutral-500);
    margin-bottom: var(--space-6);
}

/* ============================================
   PAGINATION
   ============================================ */
.shop-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-12);
    padding: var(--space-6);
    background: var(--neutral-0);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.pagination-btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--neutral-700);
    background: var(--neutral-0);
    border: 2px solid var(--neutral-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--neutral-100);
    border-color: var(--neutral-400);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn.active {
    background: var(--primary-500);
    color: var(--neutral-0);
    border-color: var(--primary-500);
}

/* ============================================
   LOADING STATE
   ============================================ */
.shop-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16);
}

.shop-loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--neutral-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.shop-loading-text {
    margin-top: var(--space-4);
    font-size: var(--text-base);
    color: var(--neutral-500);
    font-weight: 500;
}

/* ============================================
   MOBILE FILTER DRAWER
   ============================================ */
@media (max-width: 1023px) {
    .shop-filters {
        position: fixed;
        top: 0;
        left: -100%;
        width: 85%;
        max-width: 400px;
        height: 100vh;
        overflow-y: auto;
        z-index: 1000;
        transition: left var(--transition-slow);
    }
    
    .shop-filters.open {
        left: 0;
    }
    
    .shop-filters-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-slow);
    }
    
    .shop-filters-overlay.open {
        opacity: 1;
        pointer-events: all;
    }
}

.shop-filters-mobile-toggle {
    position: fixed;
    bottom: var(--space-6);
    left: var(--space-6);
    right: auto;
    padding: var(--space-4);
    background: var(--primary-500);
    color: var(--neutral-0);
    border: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    z-index: 998;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
}

@media (min-width: 1024px) {
    .shop-filters-mobile-toggle {
        display: none;
    }
}

/* ============================================
   BREADCRUMB
   ============================================ */
.shop-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
}

.breadcrumb-item {
    color: var(--neutral-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item:hover {
    color: var(--primary-600);
}

.breadcrumb-separator {
    color: var(--neutral-400);
}

.breadcrumb-item.active {
    color: var(--neutral-800);
    font-weight: 600;
}