/* ==========================================================================
   精品咖啡商城 - 样式表
   配色：暖棕色 (#6F4E37) + 米色 (#F5F0E8) + 深咖啡 (#3E2723)
   ========================================================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-primary: #6F4E37;      /* 咖啡棕 */
    --color-primary-dark: #5D3A28; /* 深咖啡 */
    --color-primary-light: #8B6347;/* 浅咖啡 */
    --color-accent: #C4A882;       /* 奶茶色 */
    --color-bg: #FAF7F2;           /* 米白背景 */
    --color-bg-warm: #F5EFE6;      /* 暖米色 */
    --color-surface: #FFFFFF;      /* 卡片白色 */
    --color-text: #3E2723;         /* 深咖啡文字 */
    --color-text-light: #8D6E63;   /* 浅咖啡文字 */
    --color-border: #E0D5C5;       /* 边框色 */
    --color-success: #27AE60;
    --color-error: #E74C3C;
    --color-warning: #F39C12;
    --radius: 10px;
    --shadow: 0 2px 12px rgba(111, 78, 55, 0.12);
    --shadow-hover: 0 6px 24px rgba(111, 78, 55, 0.2);
    --max-width: 1200px;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

img { max-width: 100%; display: block; }

/* ---------- 通用容器 ---------- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 16px;
}

/* ---------- 导航栏 ---------- */
.navbar {
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    gap: 16px;
}

.navbar-brand {
    font-size: 20px;
    font-weight: bold;
    color: var(--color-primary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    flex: 1;
    justify-content: center;
}

.navbar-nav a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 20px;
    color: var(--color-text);
    font-size: 14px;
    transition: all 0.2s;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    background: var(--color-primary);
    color: #fff;
}

.navbar-nav a.cart-link {
    position: relative;
    font-size: 15px;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--color-error);
    color: #fff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 11px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-surface);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.navbar-actions a {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 14px;
    border: 1.5px solid var(--color-primary);
    transition: all 0.2s;
}

.navbar-actions a:hover {
    background: var(--color-primary);
    color: #fff;
}

.navbar-actions .btn-login {
    background: var(--color-primary);
    color: #fff;
}

.navbar-actions .btn-login:hover {
    background: var(--color-primary-dark);
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }

.btn-secondary {
    background: var(--color-bg-warm);
    color: var(--color-primary);
    border: 1.5px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-primary); }

.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover { background: #219150; color: #fff; }

.btn-danger { background: var(--color-error); color: #fff; }
.btn-danger:hover { background: #c0392b; color: #fff; }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- 提示框 ---------- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-error { background: #FDECEA; color: var(--color-error); border: 1px solid #F5C6CB; }
.alert-success { background: #E8F8EF; color: var(--color-success); border: 1px solid #C3E6CB; }
.alert-warning { background: #FFF8E1; color: var(--color-warning); border: 1px solid #FFE082; }

/* ---------- 首页商品网格 ---------- */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 40px 0;
    text-align: center;
    margin-bottom: 32px;
}

.page-header h1 { font-size: 28px; margin-bottom: 8px; }
.page-header p { opacity: 0.85; font-size: 15px; }

.section { padding: 24px 0 48px; }

/* 分类筛选 */
.category-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    justify-content: center;
}

.category-filter a {
    padding: 6px 16px;
    border-radius: 20px;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    color: var(--color-text);
    font-size: 13px;
    transition: all 0.2s;
}

.category-filter a.active,
.category-filter a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* 商品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

/* 商品卡片 */
.product-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.25s;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
}

.product-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.product-card a {
    display: block;
    flex: 1;
    text-decoration: none;
    color: inherit;
}

.product-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--color-bg-warm);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.product-info {
    padding: 14px 16px 10px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.product-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.product-price {
    font-size: 20px;
    font-weight: bold;
    color: var(--color-primary);
}

.stock-status {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 10px;
}
.in-stock { background: #E8F8EF; color: var(--color-success); }
.out-stock { background: #FDEEEE; color: var(--color-error); }

/* 加入购物车按钮 */
.card-actions {
    padding: 10px 16px 14px;
}

.btn-add-cart {
    width: 100%;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-add-cart:hover { background: var(--color-primary-dark); }
.btn-add-cart:disabled { background: #ccc; cursor: not-allowed; }

/* ---------- 商品详情页 ---------- */
.product-detail {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 16px;
}

.product-detail-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.product-detail-image {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-bg-warm);
    aspect-ratio: 1;
}

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

.product-detail-info h1 {
    font-size: 24px;
    color: var(--color-text);
    margin-bottom: 8px;
}

.product-detail-price {
    font-size: 32px;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.product-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--color-text-light);
}

.product-desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--color-bg-warm);
    border-radius: var(--radius);
    border-left: 4px solid var(--color-primary);
}

.product-stock-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.btn-buy {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-bottom: 10px;
}

/* ---------- 购物车页面 ---------- */
.cart-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 16px;
}

.cart-page h1 { font-size: 24px; margin-bottom: 24px; }

.cart-empty {
    text-align: center;
    padding: 80px 20px;
}

.cart-empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.cart-empty p {
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.cart-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.cart-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    display: grid;
    grid-template-columns: 80px 1fr auto auto auto;
    gap: 16px;
    align-items: center;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-warm);
    flex-shrink: 0;
}

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

.cart-item-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.cart-item-price {
    font-size: 14px;
    color: var(--color-primary);
    font-weight: bold;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-primary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.qty-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.qty-value {
    font-size: 16px;
    font-weight: bold;
    min-width: 24px;
    text-align: center;
}

.cart-item-subtotal {
    font-size: 16px;
    font-weight: bold;
    color: var(--color-text);
    min-width: 70px;
    text-align: right;
}

.btn-delete {
    background: none;
    border: none;
    color: var(--color-error);
    font-size: 13px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
}
.btn-delete:hover { background: #FDECEA; }

/* 购物车底部 */
.cart-footer {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.cart-summary {
    font-size: 15px;
}

.cart-summary strong {
    font-size: 20px;
    color: var(--color-primary);
}

.cart-actions-bar {
    display: flex;
    gap: 10px;
}

/* ---------- 结算页面 ---------- */
.checkout-page {
    max-width: 700px;
    margin: 0 auto;
    padding: 32px 16px;
}

.checkout-page h1 { font-size: 24px; margin-bottom: 24px; }

.checkout-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.checkout-section h2 {
    font-size: 16px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.order-summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px dashed var(--color-border);
}

.order-summary-item:last-child { border-bottom: none; }

.order-summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0 0;
    font-size: 18px;
    font-weight: bold;
    color: var(--color-primary);
}

/* ---------- 表单样式 ---------- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group .form-hint {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ---------- 订单成功页 ---------- */
.order-success {
    max-width: 600px;
    margin: 0 auto;
    padding: 48px 16px;
    text-align: center;
}

.order-success-icon {
    font-size: 72px;
    margin-bottom: 20px;
}

.order-success h1 { font-size: 26px; margin-bottom: 8px; color: var(--color-success); }
.order-success p { color: var(--color-text-light); margin-bottom: 24px; }

.order-info-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    text-align: left;
}

.order-info-box dl {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 10px;
}

.order-info-box dt { color: var(--color-text-light); font-size: 14px; }
.order-info-box dd { font-size: 14px; font-weight: 600; word-break: break-all; }

/* ---------- 我的订单 ---------- */
.orders-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 16px;
}

.orders-page h1 { font-size: 24px; margin-bottom: 24px; }

.order-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.order-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--color-bg-warm);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 8px;
}

.order-card-header .order-no {
    font-weight: bold;
    color: var(--color-primary);
    font-size: 14px;
}

.order-card-header .order-time {
    font-size: 13px;
    color: var(--color-text-light);
}

.order-card-body {
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.order-card-body .order-total {
    font-size: 18px;
    font-weight: bold;
    color: var(--color-primary);
}

.order-card-footer {
    padding: 10px 20px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
}

/* 订单状态标签 */
.status-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.status-pending { background: #FFF3E0; color: #E65100; }
.status-paid { background: #E3F2FD; color: #1565C0; }
.status-shipped { background: #E8F5E9; color: #2E7D32; }
.status-completed { background: var(--color-primary); color: #fff; }
.status-cancelled { background: #FDEEEE; color: var(--color-error); }

/* ---------- 订单详情页 ---------- */
.order-detail-page {
    max-width: 700px;
    margin: 0 auto;
    padding: 32px 16px;
}

.order-detail-page h1 { font-size: 24px; margin-bottom: 24px; }

.detail-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 20px;
    overflow: hidden;
}

.detail-card h2 {
    font-size: 15px;
    padding: 12px 20px;
    background: var(--color-bg-warm);
    border-bottom: 1px solid var(--color-border);
}

.detail-card .content {
    padding: 16px 20px;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-table th,
.detail-table td {
    padding: 10px 8px;
    font-size: 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.detail-table th {
    color: var(--color-text-light);
    font-weight: 500;
    width: 100px;
}

.detail-table tr:last-child td { border-bottom: none; }

/* ---------- 注册/登录页 ---------- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 20px;
}

.auth-box {
    background: var(--color-surface);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}

.auth-title {
    text-align: center;
    font-size: 22px;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.auth-subtitle {
    text-align: center;
    font-size: 15px;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.auth-form { margin-bottom: 20px; }

.auth-footer {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-light);
    margin-top: 12px;
}

/* ---------- 页脚 ---------- */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 24px 16px;
    margin-top: 60px;
    font-size: 13px;
}

/* ---------- 后台管理 ---------- */
.admin-page { background: #F0F2F5; min-height: 100vh; }

.admin-header {
    background: var(--color-primary-dark);
    color: #fff;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header-brand {
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-header-nav {
    display: flex;
    gap: 4px;
}

.admin-header-nav a {
    color: rgba(255,255,255,0.8);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.15s;
}

.admin-header-nav a:hover,
.admin-header-nav a.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.admin-header-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 16px;
}

/* 统计卡片 */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: bold;
    color: var(--color-primary);
}

.stat-card .stat-sub {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: 4px;
}

/* 后台表格 */
.admin-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 20px;
}

.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.admin-card-header h2 {
    font-size: 16px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 12px 16px;
    font-size: 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    background: var(--color-bg-warm);
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: #FAFAFA; }

.admin-table .product-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-table .product-thumb {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--color-bg-warm);
    flex-shrink: 0;
}

.admin-table .product-thumb-name {
    font-weight: 600;
    font-size: 14px;
}

.admin-table .product-thumb-sub {
    font-size: 12px;
    color: var(--color-text-light);
}

.admin-table .actions {
    display: flex;
    gap: 6px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 20px;
}

.pagination a {
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    color: var(--color-text);
    transition: all 0.15s;
}

.pagination a.active,
.pagination a:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 28px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal h2 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .navbar-nav { display: none; }

    .navbar-inner { height: 56px; }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .product-info { padding: 10px 12px 8px; }
    .product-name { font-size: 14px; }
    .product-price { font-size: 18px; }
    .card-actions { padding: 8px 12px 12px; }
    .btn-add-cart { padding: 8px; font-size: 13px; }

    .product-detail-inner {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .cart-item {
        grid-template-columns: 60px 1fr;
        grid-template-rows: auto auto;
        gap: 10px;
    }

    .cart-item-image { width: 60px; height: 60px; }
    .cart-item-qty { grid-column: 1 / -1; }
    .cart-item-subtotal { grid-column: 1 / -1; text-align: left; }
    .btn-delete { grid-column: 1 / -1; text-align: left; }

    .cart-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .cart-summary { text-align: center; }
    .cart-actions-bar { flex-direction: column; }

    .admin-table { font-size: 13px; }
    .admin-table th, .admin-table td { padding: 10px 8px; }

    .form-row { grid-template-columns: 1fr; }

    .auth-box { padding: 28px 20px; }

    .detail-table { font-size: 13px; }

    .order-card-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr 1fr; }
    .navbar-brand { font-size: 17px; }
    .page-header { padding: 24px 0; }
    .page-header h1 { font-size: 22px; }
}