/**
 * Sentra Aplikasi - UI Components
 * Reusable component styles
 */

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--text-base);
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--text-lg);
}

/* Button Variants */
.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: #1D4ED8;
    border-color: #1D4ED8;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-900);
}

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

.btn-accent:hover {
    background: #2980b9;
    border-color: #2980b9;
    color: var(--color-white);
}

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

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

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

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

.btn-block {
    display: flex;
    width: 100%;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-gray-700);
}

.form-label.required::after {
    content: '*';
    color: var(--color-danger);
    margin-left: var(--spacing-1);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-control:disabled {
    background: var(--color-gray-100);
    cursor: not-allowed;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-error {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--text-sm);
    color: var(--color-danger);
}

.form-help {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.badge-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.badge-success {
    background: var(--color-success);
    color: var(--color-white);
}

.badge-warning {
    background: var(--color-warning);
    color: var(--color-white);
}

.badge-danger {
    background: var(--color-danger);
    color: var(--color-white);
}

.badge-info {
    background: var(--color-info);
    color: var(--color-white);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.alert-success {
    background: #14532d;
    border-color: #15803d;
    color: #f0fdf4;
}

.alert-warning {
    background: #78350f;
    border-color: #f97316;
    color: #fffbeb;
}

.alert-danger {
    background: #7f1d1d;
    border-color: #dc2626;
    color: #fef2f2;
}

.alert-info {
    background: #1e3a8a;
    border-color: #2563eb;
    color: #eff6ff;
}

/* ============================================
   TABLES
   ============================================ */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
}

.table th,
.table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.table th {
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    background: var(--color-gray-100);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr:hover {
    background: var(--color-gray-50);
}

.table-striped tbody tr:nth-child(odd) {
    background: var(--color-gray-50);
}

/* ============================================
   PRODUCT CARD
   ============================================ */
.product-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--color-accent);
    transition: height var(--transition-base);
}

.product-card:hover::before {
    height: 100%;
}

.product-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-8px);
}

.product-card-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent);
}

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

.product-card-body {
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.product-card-category {
    font-size: 10px;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1px;
    font-weight: 600;
}

.product-card-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    padding: 0;
    color: var(--color-dark);
    line-height: 1.1;
}

.product-card-description {
    font-size: 13px;
    color: var(--color-gray-600);
    margin: 0;
    padding: 0;
    line-height: 1.2;
}

.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 8px;
    border-top: 1px solid var(--color-gray-200);
}

.product-card-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}

.product-card-price small {
    display: block;
    font-size: 10px;
    color: var(--color-gray-500);
}

.product-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 0;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--color-gray-200);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.product-rating-stars {
    display: flex;
    gap: 1px;
}

.star {
    color: #D1D5DB;
    font-size: 13px;
    font-weight: normal;
}

.star.filled {
    color: #FBBF24;
    font-weight: bold;
}

.product-rating-count {
    font-size: 10px;
    color: var(--color-gray-600);
    margin-left: 0.2rem;
}

.product-sales {
    font-size: 10px;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.product-sales i {
    color: var(--color-gray-400);
    font-size: 10px;
}

/* ============================================
   FEATURE BOX
   ============================================ */
.feature-box {
    text-align: center;
    padding: var(--spacing-4) var(--spacing-3);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-3);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent) 0%, #D97706 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 6px 18px rgba(230, 126, 34, 0.25);
    position: relative;
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, var(--color-accent), #D97706);
    border-radius: var(--radius-lg);
    opacity: 0.12;
    filter: blur(6px);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-white);
    position: relative;
    z-index: 1;
    fill: none;
    stroke-width: 2.5;
}

.feature-title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: var(--color-dark);
}

.feature-description {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.5;
    margin-bottom: 0;
}

/* ============================================
   CATEGORY CARD
   ============================================ */
.category-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.category-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.category-icon {
    width: 28px;
    height: 28px;
    margin: 0 auto var(--spacing-2);
}

.category-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--color-gray-600);
    transition: transform var(--transition-fast), fill var(--transition-fast);
}

.category-card:hover .category-icon svg {
    fill: var(--color-accent);
    transform: scale(1.05);
}

.category-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-2xl);
    cursor: pointer;
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-gray-900);
}

.modal-body {
    padding: var(--spacing-6);
}

.modal-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-gray-600); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-muted { color: var(--color-gray-500); }

.bg-light { background: var(--color-gray-100); }
.bg-white { background: var(--color-white); }
.bg-dark { background: var(--color-dark); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.p-0 { padding: 0; }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-normal { font-weight: 400; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }


/* ============================================
   CATALOG STYLES
   ============================================ */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    padding: var(--spacing-16) 0 var(--spacing-12);
    text-align: center;
    border-bottom: 3px solid var(--color-accent);
}

.page-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-white);
    margin: 0 0 var(--spacing-3);
}

.page-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-300);
    margin: 0;
}

/* Catalog Section */
.catalog-section {
    padding: var(--spacing-16) 0;
    background: var(--color-gray-50);
}

.catalog-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-8);
}

/* Sidebar */
.catalog-sidebar {
    background: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-4));
}

.filter-group {
    margin-bottom: var(--spacing-8);
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-4);
}

.search-form {
    position: relative;
    display: flex;
    gap: var(--spacing-2);
}

.search-form .form-control {
    flex: 1;
}

.search-form .btn {
    flex-shrink: 0;
}

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

.filter-link {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-gray-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: var(--text-base);
}

.filter-link:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

.filter-link.active {
    background: var(--color-accent);
    color: var(--color-white);
    font-weight: 600;
}

/* Catalog Content */
.catalog-content {
    min-height: 500px;
}

.catalog-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.catalog-info {
    font-size: var(--text-base);
    color: var(--color-gray-600);
}

.catalog-sort {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.catalog-sort label {
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    font-weight: 500;
}

.catalog-sort .form-control {
    width: auto;
    min-width: 180px;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.empty-state svg {
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-6);
}

.empty-state h3 {
    font-size: var(--text-2xl);
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-3);
}

.empty-state p {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    margin: 0 0 var(--spacing-6);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    min-width: 40px;
    justify-content: center;
    font-size: var(--text-base);
    color: var(--color-gray-700);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination-link:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
    color: var(--color-gray-900);
}

.pagination-link.active {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    font-weight: 600;
}

.pagination-link svg {
    width: 16px;
    height: 16px;
}


/* ============================================
   PRODUCT DETAIL STYLES
   ============================================ */

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) 0;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--color-gray-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

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

.breadcrumb-current {
    color: var(--color-gray-900);
    font-weight: 500;
}

/* Product Detail Section */
.product-detail-section {
    padding: var(--spacing-8) 0 var(--spacing-16);
    background: var(--color-gray-50);
}

/* Product Header */
.product-header {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-10);
    margin-bottom: var(--spacing-12);
    padding: var(--spacing-8);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.product-image-wrapper {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--spacing-6);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-gray-200);
}

.product-main-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.product-placeholder-image {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 400px;
}

.product-placeholder-image svg {
    color: var(--color-gray-300);
}

.product-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.product-category-badge {
    display: inline-block;
    width: fit-content;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: #2563EB;
    background: #EFF6FF;
    border-radius: var(--radius-full);
}

.product-name {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0;
    line-height: 1.2;
}

.product-short-description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    line-height: 1.6;
    margin: 0;
}

.product-pricing {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    padding: var(--spacing-5) 0;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-3);
}

.price-label {
    font-size: var(--text-base);
    color: var(--color-gray-700);
    font-weight: 500;
}

.price-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.product-subscription {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-3);
}

.subscription-label {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.subscription-value {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-accent);
}

.product-actions {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.product-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-gray-200);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.meta-item svg {
    color: var(--color-gray-400);
}

/* Product Tabs */
.product-tabs {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.tabs-header {
    display: flex;
    gap: 0;
    background: var(--color-gray-100);
    border-bottom: 2px solid var(--color-gray-200);
}

.tab-link {
    flex: 1;
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-gray-600);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-link:hover {
    color: var(--color-gray-900);
    background: var(--color-gray-200);
}

.tab-link.active {
    color: var(--color-accent);
    background: var(--color-white);
    border-bottom-color: var(--color-accent);
}

.tabs-content {
    position: relative;
}

.tab-pane {
    display: none;
    padding: var(--spacing-8);
}

.tab-pane.active {
    display: block;
}

.content-box {
    font-size: var(--text-base);
    color: var(--color-gray-700);
    line-height: 1.8;
}

/* Features List */
.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--spacing-6);
}

.feature-item {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-5);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
}

.feature-item svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.feature-item h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-2);
}

.feature-item p {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    margin: 0;
    line-height: 1.6;
}


/* ============================================
   RESPONSIVE DESIGN - CATALOG
   ============================================ */
@media (max-width: 1024px) {
    .catalog-wrapper {
        grid-template-columns: 1fr;
    }
    
    .catalog-sidebar {
        position: static;
    }
    
    .product-header {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: var(--text-3xl);
    }
    
    .catalog-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-4);
    }
    
    .catalog-sort {
        flex-direction: column;
        align-items: stretch;
    }
    
    .catalog-sort .form-control {
        width: 100%;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: var(--spacing-4);
    }
    
    .product-name {
        font-size: var(--text-2xl);
    }
    
    .price-value {
        font-size: var(--text-2xl);
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-actions .btn {
        width: 100%;
    }
    
    .tabs-header {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: var(--spacing-12) 0 var(--spacing-8);
    }
    
    .page-title {
        font-size: var(--text-2xl);
    }
    
    .page-subtitle {
        font-size: var(--text-base);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .pagination-link {
        min-width: 36px;
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--text-sm);
    }
}