/* ============================================================
   PremiumCardsShop - Shop & Product Page Styles
   ============================================================ */

/* ---------- Shop Header ---------- */
.shop-header {
    padding: 40px 0 30px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.shop-header h1 {
    margin-bottom: 8px;
}

.shop-header p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ---------- Search Bar ---------- */
.search-bar {
    display: flex;
    gap: 12px;
    margin: 24px 0;
    max-width: 600px;
}

.search-bar .form-input {
    flex: 1;
    padding: 14px 20px 14px 44px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.search-bar .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

.search-wrapper {
    position: relative;
    flex: 1;
}

/* ---------- Region Quick Filters ---------- */
.region-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.region-tab {
    padding: 7px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 50px;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.region-tab:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
}

.region-tab.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

/* ---------- Shop Layout ---------- */
.shop-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 30px;
    padding: 30px 0 60px;
}

/* ---------- Sidebar Filters ---------- */
.shop-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--ticker-height) + 20px);
    align-self: start;
    max-height: calc(100vh - var(--header-height) - var(--ticker-height) - 40px);
    overflow-y: auto;
}

.filter-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.filter-section:last-child {
    border-bottom: none;
}

.filter-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    cursor: pointer;
}

.filter-title i {
    font-size: 0.7rem;
    color: var(--text-dim);
    transition: transform var(--transition-fast);
}

.filter-title.collapsed i {
    transform: rotate(-90deg);
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.filter-option:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--text-secondary);
}

.filter-option.active {
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent-tertiary);
}

.filter-option input[type="checkbox"],
.filter-option input[type="radio"] {
    accent-color: var(--accent-primary);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.filter-option .count {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-dim);
    background: rgba(99, 102, 241, 0.08);
    padding: 2px 8px;
    border-radius: 10px;
}

/* Price range */
.price-range {
    display: flex;
    gap: 10px;
    align-items: center;
}

.price-range input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    text-align: center;
}

.price-range span {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.filter-apply {
    margin-top: 12px;
    width: 100%;
}

/* Mobile filter toggle */
.filter-toggle-mobile {
    display: none;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

/* ---------- Products Area ---------- */
.shop-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.shop-results {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.shop-results strong {
    color: var(--text-primary);
}

.shop-sort {
    display: flex;
    align-items: center;
    gap: 10px;
}

.shop-sort label {
    font-size: 0.85rem;
    color: var(--text-dim);
    white-space: nowrap;
}

.shop-sort select {
    padding: 8px 32px 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2394a3b8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    cursor: pointer;
}

.shop-view-toggle {
    display: flex;
    gap: 4px;
}

.shop-view-toggle button {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.shop-view-toggle button.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

/* ---------- Product Grid ---------- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.15);
    transform: translateY(-4px);
}

.product-card-image {
    position: relative;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-card-image .brand-card-img {
    width: 120px;
    height: 75px;
    object-fit: cover;
    border-radius: 10px;
    z-index: 2;
    position: relative;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.product-card-badges {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    z-index: 3;
}

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

.product-card-brand {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
}

.product-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.3;
}

.product-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.product-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
}

.product-card-price {
    display: flex;
    flex-direction: column;
}

.product-card-price .from-text {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.product-card-price .price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-card-btn {
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-sm);
    color: var(--accent-tertiary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-card:hover .product-card-btn {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #fff;
}

/* Empty state */
.shop-empty {
    text-align: center;
    padding: 80px 20px;
    grid-column: 1 / -1;
}

.shop-empty i {
    font-size: 3rem;
    color: var(--text-dim);
    margin-bottom: 20px;
}

.shop-empty h3 {
    margin-bottom: 8px;
}

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

/* Active filters bar */
.active-filters {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.active-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--accent-tertiary);
}

.active-filter-tag button {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0;
}

.active-filter-tag button:hover {
    color: var(--danger);
}

.clear-filters {
    font-size: 0.8rem;
    color: var(--text-dim);
    cursor: pointer;
    background: none;
    border: none;
    text-decoration: underline;
}

/* ---------- Product Detail ---------- */
.product-detail {
    padding: 40px 0 80px;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.product-image-section {
    position: sticky;
    top: calc(var(--header-height) + 30px);
}

.product-main-image {
    position: relative;
    height: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-main-image .brand-card-img-large {
    width: 280px;
    height: 175px;
    max-width: 90%;
    object-fit: cover;
    border-radius: 14px;
    position: relative;
    z-index: 2;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.product-info-section h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.product-brand-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--accent-tertiary);
    margin-bottom: 16px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.product-rating .stars {
    color: #f59e0b;
}

.product-rating .count {
    color: var(--text-dim);
}

.product-short-desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-subtle);
}

/* Denomination selector */
.denomination-section {
    margin-bottom: 24px;
}

.denomination-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.denomination-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.denom-btn {
    padding: 12px 8px;
    background: var(--bg-input);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.denom-btn:hover {
    border-color: var(--border-medium);
    background: var(--bg-elevated);
}

.denom-btn.active {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.2);
}

.denom-btn .denom-value {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.denom-btn .denom-price {
    display: block;
    font-size: 0.75rem;
    color: var(--accent-tertiary);
}

/* Custom amount */
.custom-amount-wrapper {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 12px;
}

.custom-amount-wrapper label {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.custom-amount-input {
    position: relative;
    flex: 1;
}

.custom-amount-input span {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
    font-weight: 600;
}

.custom-amount-input input {
    width: 100%;
    padding: 10px 14px 10px 28px;
    background: var(--bg-input);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.custom-amount-input input:focus {
    border-color: var(--accent-primary);
}

/* Price display */
.product-price-display {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 24px;
    padding: 20px;
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.product-price-display .current-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.product-price-display .original-price {
    font-size: 1.1rem;
    color: var(--text-dim);
    text-decoration: line-through;
}

.product-price-display .save-amount {
    font-size: 0.85rem;
    color: var(--success);
    font-weight: 600;
}

/* Buy section */
.buy-section {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.quantity-selector button {
    padding: 12px 16px;
    background: var(--bg-input);
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.quantity-selector button:hover {
    background: rgba(99, 102, 241, 0.15);
}

.quantity-selector input {
    width: 50px;
    text-align: center;
    padding: 12px 0;
    background: var(--bg-input);
    border: none;
    border-left: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-weight: 600;
}

/* Product details tabs */
.product-tabs {
    margin-top: 40px;
}

.product-tab-content {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.925rem;
}

.product-tab-content h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-tab-content ul {
    padding-left: 20px;
    margin-bottom: 16px;
}

.product-tab-content ul li {
    list-style: disc;
    margin-bottom: 6px;
    color: var(--text-muted);
}

/* Product info cards */
.product-info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.info-card i {
    color: var(--accent-primary);
    font-size: 1.1rem;
}

.info-card-text {
    font-size: 0.8rem;
}

.info-card-text strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.85rem;
}

.info-card-text span {
    color: var(--text-dim);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .product-detail-grid { grid-template-columns: 1fr; gap: 30px; }
    .product-image-section { position: static; }
    .product-main-image { height: 300px; }
}

@media (max-width: 768px) {
    .shop-layout {
        grid-template-columns: 1fr;
    }

    .shop-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100vh;
        background: var(--bg-secondary);
        z-index: 1000;
        padding: 80px 24px 30px;
        transition: left var(--transition-base);
        overflow-y: auto;
        border-right: 1px solid var(--border-subtle);
    }

    .shop-sidebar.open {
        left: 0;
    }

    .filter-toggle-mobile {
        display: flex;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

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

    .buy-section {
        flex-direction: column;
    }
}

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

    .denomination-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}