/* =============================================
   GUNPLA GUIDE - Component Styles
   Cards, Filters, Detail Page, Modals, Animations
   ============================================= */

/* ===== Filter Accordion ===== */
.filter-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.filter-category {
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
}

.filter-category-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    color: var(--color-gray-300);
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition-fast);
    text-align: left;
}

.filter-category-header:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
}

.filter-category.active .filter-category-header {
    color: var(--color-white);
    border-bottom: 1px solid var(--color-dark-border);
}

.filter-category-title {
    font-size: var(--text-sm);
    font-weight: 500;
}

.filter-category-count {
    font-size: var(--text-xs);
    color: var(--color-primary);
    background: rgba(227, 24, 55, 0.15);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: auto;
    margin-right: var(--space-2);
}

.filter-category-count:empty {
    display: none;
}

.filter-arrow {
    transition: var(--transition-base);
}

.filter-category.active .filter-arrow {
    transform: rotate(180deg);
}

.filter-category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.filter-category.active .filter-category-content {
    max-height: 500px;
    overflow-y: auto;
    overflow-x: visible;
}

/* Custom scrollbar for filter content */
.filter-category-content::-webkit-scrollbar {
    width: 4px;
}

.filter-category-content::-webkit-scrollbar-track {
    background: transparent;
}

.filter-category-content::-webkit-scrollbar-thumb {
    background: var(--color-dark-border);
    border-radius: 2px;
}

.filter-options {
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-option:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-gray-200);
}

.filter-option.selected {
    color: var(--color-primary);
    background: rgba(227, 24, 55, 0.1);
}

.filter-checkbox {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-gray-600);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.filter-option.selected .filter-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.filter-option.selected .filter-checkbox::after {
    content: '✓';
    font-size: 10px;
    color: var(--color-white);
}

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

.filter-range-inputs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.filter-range-inputs input {
    flex: 1;
    padding: var(--space-2);
    background: var(--color-dark-bg);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    text-align: center;
    font-size: var(--text-sm);
}

.filter-range-slider {
    width: 100%;
    height: 4px;
    background: var(--color-dark-border);
    border-radius: 2px;
    appearance: none;
    cursor: pointer;
}

.filter-range-slider::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
}

/* ===== Product Grid ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
}

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

/* ===== Product Card ===== */
.product-card {
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

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

.product-card-image {
    position: relative;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-dark-bg) 0%, var(--color-dark-surface) 100%);
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-4);
    transition: var(--transition-slow);
}

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

.product-card-badges {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.product-badge {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

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

.product-badge.p-bandai {
    background: var(--color-accent);
    color: var(--color-gray-900);
}

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

.product-card-actions {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition-base);
}

.product-card:hover .product-card-actions {
    opacity: 1;
    transform: translateX(0);
}

.action-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

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

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

.action-btn.active svg {
    fill: currentColor;
}

.product-card-info {
    padding: var(--space-4);
}

.product-card-grade {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
}

/* Grade specific colors */
.product-card-grade.EG,
.product-card-grade.eg {
    background: var(--grade-eg);
    color: white;
}

.product-card-grade.HG,
.product-card-grade.hg,
.product-card-grade.HGUC,
.product-card-grade.HGCE,
.product-card-grade.HGAC,
.product-card-grade.HGIBO,
.product-card-grade.HGTWFM {
    background: var(--grade-hg);
    color: white;
}

.product-card-grade.RG,
.product-card-grade.rg {
    background: var(--grade-rg);
    color: white;
}

.product-card-grade.MG,
.product-card-grade.mg,
.product-card-grade.MGEX {
    background: var(--grade-mg);
    color: var(--color-gray-900);
}

.product-card-grade.PG,
.product-card-grade.pg,
.product-card-grade.PGU {
    background: var(--grade-pg);
    color: white;
}

.product-card-grade.SD,
.product-card-grade.sd,
.product-card-grade.SDCS,
.product-card-grade.SDEX {
    background: var(--grade-sd);
    color: white;
}

.product-card-grade.FM {
    background: var(--grade-mg);
    color: var(--color-gray-900);
}

.product-card-grade.RE100 {
    background: #6366F1;
    color: white;
}

.product-card-name {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-1);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-series {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-3);
}

.product-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.product-price {
    color: var(--color-accent);
    font-weight: 600;
}

.product-year {
    color: var(--color-gray-500);
}

.product-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-bottom: var(--space-3);
}

.product-tag {
    padding: 2px 6px;
    font-size: 10px;
    color: var(--color-gray-400);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
}

.product-card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-dark-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.stat-value {
    font-size: var(--text-sm);
    font-weight: 500;
}

.stat-value.difficulty {
    color: var(--color-success);
}

.stat-value.difficulty.intermediate {
    color: var(--color-warning);
}

.stat-value.difficulty.advanced {
    color: var(--color-error);
}

.stat-bar {
    height: 4px;
    background: var(--color-dark-border);
    border-radius: 2px;
    overflow: hidden;
}

.stat-bar-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width var(--transition-base);
}

.stat-bar-fill.mobility {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.product-card-link {
    display: block;
    width: 100%;
    padding: var(--space-3);
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary);
    background: rgba(227, 24, 55, 0.1);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.product-card-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* List View Card */
.product-grid.list-view .product-card {
    display: grid;
    grid-template-columns: 200px 1fr;
}

.product-grid.list-view .product-card-image {
    aspect-ratio: auto;
    height: 200px;
}

.product-grid.list-view .product-card-stats {
    grid-template-columns: repeat(4, 1fr);
}

/* ===== Recommendation Panel ===== */
.recommendation-panel {
    background: linear-gradient(135deg, rgba(227, 24, 55, 0.1) 0%, rgba(30, 64, 175, 0.1) 100%);
    border: 1px solid rgba(227, 24, 55, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.recommendation-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.recommendation-header h3 {
    font-size: var(--text-lg);
    color: var(--color-white);
}

.recommendation-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.recommendation-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.recommendation-item-label {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
}

.recommendation-item-value {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
}

/* ===== Compare Drawer ===== */
.compare-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-dark-surface);
    border-top: 1px solid var(--color-dark-border);
    padding: var(--space-4) var(--space-6);
    transform: translateY(100%);
    transition: var(--transition-base);
    z-index: var(--z-modal);
}

.compare-drawer.active {
    transform: translateY(0);
}

.compare-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.compare-drawer-header h3 {
    font-size: var(--text-lg);
    color: var(--color-white);
}

.compare-drawer-close {
    font-size: var(--text-2xl);
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

.compare-drawer-close:hover {
    color: var(--color-white);
}

.compare-items {
    display: flex;
    gap: var(--space-4);
    overflow-x: auto;
    padding-bottom: var(--space-4);
}

.compare-item {
    flex-shrink: 0;
    width: 120px;
    text-align: center;
}

.compare-item-image {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-dark-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-2);
}

.compare-item-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.compare-item-name {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.compare-item-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: var(--color-error);
    border-radius: 50%;
    font-size: 12px;
    color: var(--color-white);
}

.compare-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

.compare-clear-btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.compare-clear-btn:hover {
    border-color: var(--color-error);
    color: var(--color-error);
}

.compare-submit-btn {
    padding: var(--space-2) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-white);
    background: var(--color-primary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

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

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: var(--z-modal);
    padding: var(--space-6);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition-base);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: var(--text-2xl);
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

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

.quick-view-modal {
    position: relative;
    padding: var(--space-8);
}

/* ===== Detail Page ===== */
.detail-page {
    background: var(--color-dark-bg);
}

.detail-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: calc(var(--header-height) + var(--space-6)) var(--space-6) var(--space-6);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

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

.breadcrumb-separator {
    color: var(--color-gray-600);
}

.breadcrumb-current {
    color: var(--color-gray-300);
}

/* Detail Container */
.detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

/* Gallery */
.detail-gallery {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
}

.gallery-main {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-6);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: 50%;
    color: var(--color-gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.gallery-nav:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.gallery-nav.prev {
    left: var(--space-4);
}

.gallery-nav.next {
    right: var(--space-4);
}

.gallery-thumbnails {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
}

.gallery-thumbnail {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    background: var(--color-dark-surface);
    border: 2px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-fast);
}

.gallery-thumbnail:hover,
.gallery-thumbnail.active {
    border-color: var(--color-primary);
}

.gallery-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Detail Info */
.detail-header {
    margin-bottom: var(--space-6);
}

.detail-badges {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.detail-name {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-2);
}

.detail-series {
    font-size: var(--text-lg);
    color: var(--color-gray-400);
    margin-bottom: var(--space-1);
}

.detail-model {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* Detail Actions */
.detail-actions {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.action-btn-large {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-300);
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.action-btn-large:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.action-btn-large.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.action-btn-large.manual-btn {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
    text-decoration: none;
}

.action-btn-large.manual-btn:hover {
    background: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    color: var(--color-white);
}

/* Detail Meta */
.detail-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-dark-surface);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.meta-item {
    text-align: center;
}

.meta-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-bottom: var(--space-1);
}

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

.meta-value.price {
    color: var(--color-accent);
}

/* Detail Recommendation */
.detail-recommendation {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-5);
    background: linear-gradient(135deg, rgba(227, 24, 55, 0.1) 0%, rgba(30, 64, 175, 0.1) 100%);
    border: 1px solid rgba(227, 24, 55, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.recommendation-score {
    text-align: center;
}

.score-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    margin-bottom: var(--space-2);
}

.score-circle {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
}

.score-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-white);
}

.score-percent {
    font-size: var(--text-sm);
    color: var(--color-white);
}

.recommendation-reason {
    flex: 1;
}

.recommendation-reason h4 {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--space-2);
}

.recommendation-reason p {
    font-size: var(--text-base);
    color: var(--color-gray-200);
    line-height: 1.6;
}

/* Detail Tabs */
.detail-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-dark-border);
}

.tab-btn {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-400);
    position: relative;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-gray-200);
}

.tab-btn.active {
    color: var(--color-primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.tab-content {
    display: none;
}

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

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-3);
    background: var(--color-dark-surface);
    border-radius: var(--radius-md);
}

.spec-label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.spec-value {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-white);
}

/* Pros/Cons */
.pros-cons-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.section-title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid;
}

.section-title.pros {
    color: var(--color-success);
    border-color: var(--color-success);
}

.section-title.cons {
    color: var(--color-error);
    border-color: var(--color-error);
}

.pros-list li,
.cons-list li {
    position: relative;
    padding: var(--space-2) 0 var(--space-2) var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-gray-300);
}

.pros-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

.cons-list li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: var(--color-error);
    font-weight: bold;
}

/* Variants */
.section-subtitle {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--space-4);
}

.variants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.variant-card {
    display: block;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.variant-card:hover {
    border-color: var(--color-primary);
}

.variant-card.current {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(227, 24, 55, 0.3);
}

.variant-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    padding: var(--space-2);
}

.variant-info {
    padding: var(--space-2);
    text-align: center;
}

.variant-type {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.variant-name {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
}

/* Related Grades */
.related-grades {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.related-grade-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.related-grade-item:hover {
    border-color: var(--color-primary);
}

.grade-badge {
    padding: 2px 6px;
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.grade-name {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
}

/* Related Products */
.related-products {
    margin-bottom: var(--space-12);
}

.section-heading {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
}

.related-product-card {
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-fast);
}

.related-product-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.related-product-image {
    aspect-ratio: 1;
    background: var(--color-dark-bg);
}

.related-product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-3);
}

.related-product-info {
    padding: var(--space-3);
}

.related-product-grade {
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: 600;
}

.related-product-name {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    margin: var(--space-1) 0;
}

.related-product-price {
    font-size: var(--text-sm);
    color: var(--color-accent);
    font-weight: 500;
}

/* Load More */
.load-more-container {
    display: flex;
    justify-content: center;
    margin-top: var(--space-8);
}

.load-more-btn {
    padding: var(--space-3) var(--space-8);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-primary);
    background: transparent;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

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

/* ===== Detail Page Responsive ===== */
@media (max-width: 1024px) {
    .detail-container {
        grid-template-columns: 1fr;
    }

    .detail-gallery {
        position: static;
    }
}

@media (max-width: 768px) {
    .detail-content {
        padding: calc(var(--header-height) + var(--space-4)) var(--space-4) var(--space-4);
    }

    .detail-name {
        font-size: var(--text-2xl);
    }

    .detail-actions {
        flex-direction: column;
    }

    .detail-meta {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .detail-recommendation {
        flex-direction: column;
        text-align: center;
    }

    .specs-grid {
        grid-template-columns: 1fr;
    }

    .pros-cons-container {
        grid-template-columns: 1fr;
    }

    .detail-tabs {
        overflow-x: auto;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: var(--space-4);
    }

    .product-grid.list-view .product-card {
        grid-template-columns: 1fr;
    }

    .product-grid.list-view .product-card-image {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .variants-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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