/**
 * Retail Shop Styles
 * CSS สำหรับร้านค้าปลีก B2C
 */

/* ============================================
   RETAIL SHOP HEADER
   ============================================ */
.retail-shop-page {
    padding-bottom: 80px;
}

.retail-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.retail-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.retail-title {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}

.retail-cart-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    position: relative;
    cursor: pointer;
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #ff4757;
    color: white;
    font-size: 11px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-badge.hidden {
    display: none;
}

/* Search */
.retail-search-container {
    position: relative;
    margin-bottom: 12px;
}

.retail-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 16px;
}

.retail-search-input {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    background: white;
}

.retail-search-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
}

/* Categories */
.retail-categories {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
}

.retail-categories::-webkit-scrollbar {
    display: none;
}

.category-pill {
    flex-shrink: 0;
    padding: 8px 16px;
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 20px;
    color: white;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.category-pill.active,
.category-pill:hover {
    background: white;
    color: #667eea;
}

/* ============================================
   TOOLBAR & SORT
   ============================================ */
.retail-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-bottom: 1px solid #eee;
}

#retail-result-count {
    font-size: 14px;
    color: #666;
}

.retail-sort {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 13px;
    background: white;
    cursor: pointer;
}

/* ============================================
   PRODUCT GRID
   ============================================ */
.retail-product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 12px;
}

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

.retail-product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}

.retail-product-card:active {
    transform: scale(0.98);
}

.retail-product-card.out-of-stock {
    opacity: 0.7;
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: #f5f5f5;
}

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

.out-of-stock-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.badge {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.badge.bestseller {
    background: #ff6b6b;
    color: white;
}

.badge.new {
    background: #4ecdc4;
    color: white;
}

.product-info {
    padding: 12px;
}

.product-category {
    font-size: 11px;
    color: #999;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.product-name {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin: 0 0 8px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    min-height: 39px;
}

.product-brand {
    font-size: 12px;
    color: #666;
    margin-bottom: 8px;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.product-price .price {
    font-size: 16px;
    font-weight: 700;
    color: #e74c3c;
}

.product-price .unit {
    font-size: 12px;
    color: #999;
}

.btn-add-cart {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-add-cart:active {
    transform: scale(0.9);
}

.btn-add-cart.disabled {
    background: #ccc;
    cursor: not-allowed;
}

.low-stock {
    font-size: 11px;
    color: #e74c3c;
    margin-top: 8px;
}

/* ============================================
   LOAD MORE
   ============================================ */
.retail-load-more {
    padding: 16px;
    text-align: center;
}

.retail-load-more.hidden {
    display: none;
}

.btn-load-more {
    padding: 12px 32px;
    background: white;
    border: 1px solid #667eea;
    color: #667eea;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-load-more:hover {
    background: #667eea;
    color: white;
}

/* ============================================
   CART BAR (Bottom)
   ============================================ */
.retail-cart-bar {
    position: fixed;
    bottom: 60px; /* Above bottom nav */
    left: 0;
    right: 0;
    background: white;
    padding: 12px 16px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 90;
}

.retail-cart-bar.hidden {
    display: none;
}

.cart-bar-info {
    display: flex;
    flex-direction: column;
}

.cart-bar-count {
    font-size: 13px;
    color: #666;
}

.cart-bar-total {
    font-size: 18px;
    font-weight: 700;
    color: #333;
}

.btn-cart-checkout {
    padding: 10px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

/* ============================================
   PRODUCT DETAIL PAGE
   ============================================ */
.retail-product-detail-page {
    padding-bottom: 100px;
}

.detail-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.detail-header .btn-back,
.detail-header .btn-share {
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    font-size: 18px;
    color: #333;
    cursor: pointer;
}

.detail-title {
    flex: 1;
    text-align: center;
    font-weight: 600;
}

.product-detail-content {
    padding: 16px;
}

.product-images {
    aspect-ratio: 1;
    background: #f5f5f5;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
}

.product-images img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-add-cart-large {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 16px;
}

/* ============================================
   CART PAGE
   ============================================ */
.retail-cart-page {
    padding-bottom: 100px;
}

.cart-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.cart-header h1 {
    flex: 1;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.cart-content {
    padding: 16px;
}

.empty-cart {
    text-align: center;
    padding: 60px 20px;
}

.empty-cart i {
    font-size: 64px;
    color: #ddd;
    margin-bottom: 16px;
}

.empty-cart p {
    color: #999;
    margin-bottom: 24px;
}

.btn-shop-now {
    padding: 14px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.cart-item {
    display: flex;
    align-items: center;
    padding: 12px;
    background: white;
    border-radius: 12px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: 12px;
}

.cart-item-info {
    flex: 1;
}

.cart-item-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 4px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-price {
    color: #e74c3c;
    font-weight: 600;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cart-item-qty button {
    width: 32px;
    height: 32px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 8px;
    cursor: pointer;
}

.cart-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 16px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 16px;
}

.total-price {
    font-size: 20px;
    font-weight: 700;
    color: #e74c3c;
}

.btn-checkout {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

/* ============================================
   CHECKOUT PAGE
   ============================================ */
.retail-checkout-page {
    padding-bottom: 100px;
}

.checkout-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.checkout-header h1 {
    flex: 1;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.checkout-content {
    padding: 16px;
}

.checkout-section {
    background: white;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.checkout-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 16px 0;
    color: #333;
}

.checkout-section h3 i {
    margin-right: 8px;
    color: #667eea;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #666;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Shipping Options */
.shipping-options,
.payment-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.shipping-option,
.payment-option {
    display: flex;
    align-items: center;
    padding: 12px;
    border: 2px solid #eee;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.shipping-option:has(input:checked),
.payment-option:has(input:checked) {
    border-color: #667eea;
    background: #f8f9ff;
}

.shipping-option input,
.payment-option input {
    margin-right: 12px;
}

.option-content {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.option-name {
    font-weight: 500;
}

.option-price {
    font-weight: 600;
    color: #667eea;
}

.payment-option i {
    font-size: 20px;
    margin-right: 8px;
    color: #667eea;
}

/* Summary */
.summary-details {
    border-top: 1px solid #eee;
    padding-top: 16px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 14px;
    color: #666;
}

.summary-row.total {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    border-top: 1px solid #eee;
    padding-top: 12px;
    margin-top: 12px;
}

.total-amount {
    font-size: 20px;
    color: #e74c3c;
}

.btn-checkout-submit {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
}

.btn-checkout-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* ============================================
   SKELETON LOADING
   ============================================ */
.retail-product-card.skeleton .skeleton-image {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

.skeleton-text {
    height: 16px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    margin: 12px;
    border-radius: 4px;
}

.skeleton-text.short {
    width: 60%;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   ORDERS PAGE
   ============================================ */
.retail-orders-page {
    padding-bottom: 80px;
}

.orders-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.orders-header h1 {
    flex: 1;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.orders-list {
    padding: 16px;
}

.empty-orders {
    text-align: center;
    padding: 60px 20px;
}

.empty-orders i {
    font-size: 64px;
    color: #ddd;
    margin-bottom: 16px;
}

.empty-orders p {
    color: #999;
}