:root {
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #a78bfa;
    --accent: #f59e0b;
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --radius: 16px;
    --radius-sm: 10px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-container {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 14px;
    padding-bottom: 14px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.4rem;
    white-space: nowrap;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.search-form {
    flex: 1;
    display: flex;
    max-width: 600px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 18px;
    padding-right: 50px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    outline: none;
    transition: all 0.2s;
    background: var(--bg);
}

.search-input:focus {
    border-color: var(--primary);
    background: var(--surface);
}

.search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary);
    color: white;
    border: none;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.search-btn:hover {
    background: var(--primary-dark);
}

.nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover {
    color: var(--primary);
}

.cart-link {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
}

.lang-select:focus {
    border-color: var(--primary);
}

/* Main */
.main {
    flex: 1;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: var(--primary);
    padding: 16px 32px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    box-shadow: var(--shadow-lg);
    transition: transform 0.2s, box-shadow 0.2s;
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 30px -5px rgba(0,0,0,0.15);
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section-link {
    font-size: 0.95rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.section-link:hover {
    text-decoration: underline;
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.category-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
    box-shadow: var(--shadow);
}

.category-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #f3e8ff, #e9d5ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 1.5rem;
}

.category-name {
    font-weight: 600;
    font-size: 0.95rem;
}

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

.product-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    aspect-ratio: 1 / 1;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.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-no-image {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}

.product-old-price {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: 8px;
}

.product-title {
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-seller {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: auto;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.add-to-cart {
    width: 100%;
    margin-top: 12px;
    padding: 10px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.add-to-cart:hover {
    background: var(--primary-dark);
}

/* Product detail */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px 0;
}

.product-detail-image {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.product-detail-info h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.product-detail-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 24px;
}

.product-detail-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
    color: var(--text-muted);
}

.product-detail-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

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

.btn-outline {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: #f5f3ff;
}

/* Filters */
.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    padding: 32px 0;
    align-items: start;
}

.filters {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    height: fit-content;
    box-shadow: var(--shadow);
}

.filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.filters h3 {
    font-size: 1.1rem;
    margin: 0;
}

.filters-reset {
    font-size: 0.8rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.filters-reset:hover {
    text-decoration: underline;
}

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.active-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: #f5f3ff;
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.filter-group {
    margin-bottom: 20px;
}

.filter-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-muted);
}

.category-tree {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-height: 320px;
    overflow-y: auto;
}

.category-item {
    display: block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.15s, color 0.15s;
}

.category-item:hover {
    background: #f5f3ff;
    color: var(--primary);
}

.category-item.active {
    background: var(--primary);
    color: #fff;
    font-weight: 500;
}

.category-child {
    padding-left: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    outline: none;
    background: var(--surface);
}

.filter-group select:focus,
.filter-group input:focus {
    border-color: var(--primary);
}

/* Cart */
.cart-page {
    padding: 40px 0;
}

.cart-page h1 {
    font-size: 2rem;
    margin-bottom: 28px;
}

.cart-empty {
    text-align: center;
    padding: 80px 20px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.cart-empty h2 {
    margin-bottom: 12px;
}

.cart-empty p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.cart-items {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto auto auto;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

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

.cart-item-image {
    width: 100px;
    height: 100px;
    background: #f1f5f9;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

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

.cart-item-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.cart-item-price {
    color: var(--primary);
    font-weight: 700;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.quantity-control button {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

.quantity-control span {
    min-width: 24px;
    text-align: center;
    font-weight: 600;
}

.cart-summary {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-total {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

/* Auth */
.auth-page {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.auth-card h1 {
    font-size: 1.6rem;
    margin-bottom: 24px;
    text-align: center;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}

.btn-full {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
    margin-top: auto;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-desc {
    color: var(--text-muted);
    max-width: 320px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-copy {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 968px) {
    .header-container {
        flex-wrap: wrap;
        gap: 12px;
    }

    .search-form {
        order: 3;
        max-width: 100%;
        flex-basis: 100%;
    }

    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .product-detail {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .cart-item {
        grid-template-columns: 80px 1fr;
        gap: 12px;
    }

    .cart-item-price,
    .quantity-control,
    .cart-item-remove {
        grid-column: 2;
    }
}

/* Messages */
.messages {
    margin: 20px 0;
}

.message {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
}

.message.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* Seller dashboard */
.seller-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    padding: 32px 0;
}

.seller-sidebar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    height: fit-content;
    box-shadow: var(--shadow);
}

.seller-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.seller-logo {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    overflow: hidden;
    flex-shrink: 0;
}

.seller-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.seller-name {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.seller-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.seller-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.seller-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.seller-nav-link:hover {
    background: #f5f3ff;
    color: var(--primary);
}

.seller-nav-link.active {
    background: var(--primary);
    color: white;
}

.seller-content {
    min-width: 0;
}

.seller-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.seller-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.seller-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.seller-products-table-wrap {
    overflow-x: auto;
}

.seller-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.seller-table thead {
    background: var(--bg);
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.seller-table th,
.seller-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.seller-product-cell {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 220px;
}

.seller-product-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    font-size: 0.7rem;
    color: var(--text-muted);
}

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

.seller-product-title {
    font-weight: 600;
    color: var(--text);
}

.seller-product-sku {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.seller-product-price {
    font-weight: 700;
    color: var(--primary);
}

.seller-product-old-price {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: 6px;
}

.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-muted {
    background: #f1f5f9;
    color: var(--text-muted);
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.seller-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
}

.btn-danger {
    background: #dc2626;
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
}

.seller-empty {
    text-align: center;
    padding: 64px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

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

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
}

.pagination-info {
    padding: 12px 18px;
    font-weight: 600;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

/* Seller forms */
.seller-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}

.form-section {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
}

.form-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--text);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-checkbox {
    display: flex;
    align-items: center;
}

.form-checkbox label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

.formset-form {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}

.formset-delete {
    margin-top: 10px;
    font-size: 0.9rem;
}

.formset-delete label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-muted);
}

.form-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}

.field-error {
    color: #dc2626;
    font-size: 0.85rem;
    margin-top: 6px;
}

/* Responsive seller */
@media (max-width: 968px) {
    .seller-layout {
        grid-template-columns: 1fr;
    }

    .seller-sidebar {
        position: static;
    }

    .seller-nav {
        flex-direction: row;
        flex-wrap: wrap;
    }

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

@media (max-width: 640px) {
    .seller-table th,
    .seller-table td {
        padding: 10px 12px;
    }

    .seller-product-cell {
        min-width: 160px;
    }

    .seller-actions {
        flex-direction: column;
        align-items: flex-end;
    }
}