/* Product Gallery Swiper Styles */
    .product-gallery-main {
        width: 100%;
        height: 350px;
        margin-bottom: 15px;
    }

    .product-gallery-main .swiper-slide {
        display: flex;
        align-items: center;
        justify-content: center;
        background: #f8f9fa;
        border-radius: 15px;
        overflow: hidden;
    }

    .product-gallery-main .swiper-slide img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        cursor: zoom-in;
    }

    .product-gallery-thumbs {
        width: 100%;
        height: 80px;
    }

    .product-gallery-thumbs .swiper-slide {
        cursor: pointer;
        opacity: 0.6;
        transition: all 0.3s ease;
        border-radius: 8px;
        overflow: hidden;
        border: 2px solid transparent;
    }

    .product-gallery-thumbs .swiper-slide-thumb-active {
        opacity: 1;
        border-color: rgb(var(--color-primary));
    }

    .product-gallery-thumbs .swiper-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    /* Color/Size Variant Buttons */
    .variant-button {
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .variant-button.selected {
        border-color: rgb(var(--color-primary)) !important;
        background-color: rgb(var(--color-primary) / 0.1);
    }

    .variant-button.disabled {
        opacity: 0.4;
        cursor: not-allowed;
    }

    .variant-button:not(.disabled):hover {
        transform: scale(1.05);
        border-color: rgb(var(--color-primary));
    }

    /* Countdown Timer */
    .countdown {
        direction: ltr;
        font-family: monospace;
        font-size: 1.1rem;
        font-weight: bold;
    }

    /* Loading Skeleton */
    .skeleton {
        background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
        background-size: 200% 100%;
        animation: loading 1.5s ease-in-out infinite;
    }

    /* Hide Scrollbar */
    .hide-scrollbar::-webkit-scrollbar {
        display: none;
    }

    .hide-scrollbar {
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    /* Custom Background Colors */
    .custom-light {
        background-color: #f9fafb;
    }

    .bg-custom-light {
        background-color: #f9fafb;
    }

    .dark .custom-light {
        background-color: #1f2937;
    }

    .dark .bg-custom-light {
        background-color: #1f2937;
    }

    /* Dark mode improvements */
    .dark .bg-custom-dark {
        background-color: #1f2937;
    }

    /* Dark product card background */
    :root {
        --custom-dark: #1f2937;
    }

    /* Toast Notification Styles */
    .toast-container {
        position: fixed;
        top: 20px;
        right: 20px;
        z-index: 9999;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .toast {
        min-width: 300px;
        padding: 16px 20px;
        border-radius: 12px;
        color: white;
        font-weight: 500;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        transform: translateX(400px);
        opacity: 0;
        transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        position: relative;
        overflow: hidden;
    }

    .toast.show {
        transform: translateX(0);
        opacity: 1;
    }

    .toast.hide {
        transform: translateX(400px);
        opacity: 0;
    }

    .toast-success {
        background: linear-gradient(135deg, #10b981, #059669);
        border-left: 4px solid #065f46;
    }

    .toast-error {
        background: linear-gradient(135deg, #ef4444, #dc2626);
        border-left: 4px solid #991b1b;
    }

    .toast-info {
        background: linear-gradient(135deg, #3b82f6, #2563eb);
        border-left: 4px solid #1d4ed8;
    }

    .toast-warning {
        background: linear-gradient(135deg, #f59e0b, #d97706);
        border-left: 4px solid #92400e;
    }

    .toast-content {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .toast-icon {
        flex-shrink: 0;
        width: 20px;
        height: 20px;
    }

    .toast-message {
        flex: 1;
        font-size: 14px;
        line-height: 1.4;
    }

    .toast-close {
        background: none;
        border: none;
        color: rgba(255, 255, 255, 0.8);
        font-size: 18px;
        cursor: pointer;
        padding: 0;
        width: 20px;
        height: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: color 0.2s;
    }

    .toast-close:hover {
        color: white;
    }

    .toast-progress {
        position: absolute;
        bottom: 0;
        left: 0;
        height: 3px;
        background: rgba(255, 255, 255, 0.3);
        width: 100%;
        transform: scaleX(1);
        transform-origin: left;
        transition: transform linear;
    }

    @media (max-width: 640px) {
        .toast-container {
            top: 10px;
            right: 10px;
            left: 10px;
        }
        .toast {
            min-width: auto;
            transform: translateY(-100px);
        }
        .toast.show {
            transform: translateY(0);
        }
        .toast.hide {
            transform: translateY(-100px);
        }
    }

    /* Tab buttons */
    .tab-btn {
        background: #f3f4f6;
        color: #374151;
    }

    .dark .tab-btn {
        background: #3f3f46;
        color: #d1d5db;
    }

    @keyframes loading {
        0% { background-position: 200% 0; }
        100% { background-position: -200% 0; }
    }

    /* Tabs */
    .tab-button.active {
        color: rgb(var(--color-primary));
        border-bottom-color: rgb(var(--color-primary));
    }

    /* Product unavailable overlay */
    .product-unavailable-overlay {
        position: relative;
    }

    .product-unavailable-overlay::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.05);
        pointer-events: none;
    }

    .unavailable-badge {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: rgba(239, 68, 68, 0.9);
        color: white;
        padding: 8px 20px;
        border-radius:  12px;
        font-weight: bold;
        z-index: 10;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }

    /* Specifications table */
    .specs-table tr:nth-child(even) {
        background-color: rgba(0,0,0,0.02);
    }

    .dark .specs-table tr:nth-child(even) {
        background-color: rgba(255,255,255,0.02);
    }

    .specs-table td {
        padding: 12px 15px;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    .dark .specs-table td {
        border-bottom-color: rgba(255,255,255,0.05);
    }

    /* ===== Wholesale Pricing Section (aligned with Diara cards: bg-white / dark:bg-custom-dark) ===== */
    .wholesale-section-diara {
        background: #ffffff;
        border: 1px solid #e5e7eb;
        border-radius: 1rem;
        padding: 1.5rem;
        color: #111827;
        position: relative;
        overflow: hidden;
        box-shadow: 0 4px 30px #edf0f5;
    }

    .dark .wholesale-section-diara {
        background: #161b22;
        border-color: #374151;
        color: #f3f4f6;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
    }

    .wholesale-section-diara::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        left: 0;
        height: 4px;
        background: linear-gradient(90deg, rgb(var(--color-primary)), rgb(var(--color-primary) / 0.5));
        pointer-events: none;
        border-radius: 1rem 1rem 0 0;
    }

    .wholesale-section-diara::after {
        display: none;
    }

    .wholesale-tier-diara {
        background: #f9fafb;
        border: 1px solid #e5e7eb;
        border-radius: 0.875rem;
        padding: 1.125rem;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .dark .wholesale-tier-diara {
        background: #1f242c;
        border-color: #374151;
    }

    .wholesale-tier-diara:hover {
        background: #f3f4f6;
        border-color: rgb(var(--color-primary) / 0.35);
        transform: translateY(-4px);
        box-shadow: 0 10px 24px rgba(0,0,0,0.08);
    }

    .dark .wholesale-tier-diara:hover {
        background: #252b35;
        border-color: rgb(var(--color-primary) / 0.45);
        box-shadow: 0 10px 24px rgba(0,0,0,0.45);
    }

    .wholesale-tier-badge {
        background: rgb(var(--color-primary));
        color: #ffffff;
        font-size: 10px;
        font-weight: 800;
        padding: 3px 10px;
        border-radius: 20px;
        display: inline-block;
        margin-bottom: 10px;
        letter-spacing: 0.5px;
    }

    .ws-qty-label {
        color: rgb(var(--color-primary));
        font-size: 17px;
        font-weight: 800;
        margin-bottom: 6px;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .dark .ws-qty-label {
        color: var(--color-primary-400, rgb(96 165 250));
    }

    .ws-qty-label svg {
        color: rgb(var(--color-primary)) !important;
    }

    .dark .ws-qty-label svg {
        color: var(--color-primary-400, rgb(96 165 250)) !important;
    }

    .ws-price-label {
        color: #111827;
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 4px;
    }

    .dark .ws-price-label {
        color: #f3f4f6;
    }

    .ws-savings-label {
        color: #059669;
        font-size: 12px;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .dark .ws-savings-label {
        color: #6ee7b7;
    }

    .wholesale-tier-range {
        -webkit-appearance: none;
        appearance: none;
        width: 100%;
        height: 4px;
        border-radius: 2px;
        background: #e5e7eb;
        outline: none;
        margin: 8px 0;
        cursor: pointer;
    }

    .dark .wholesale-tier-range {
        background: rgba(255,255,255,0.2);
    }

    .wholesale-tier-range::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: rgb(var(--color-primary));
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(0,0,0,0.25);
        border: 2px solid #ffffff;
    }

    .dark .wholesale-tier-range::-webkit-slider-thumb {
        background: rgb(var(--color-primary));
        border-color: #e5e7eb;
    }

    .wholesale-tier-range::-moz-range-thumb {
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: rgb(var(--color-primary));
        cursor: pointer;
        border: 2px solid #ffffff;
    }

    .dark .wholesale-tier-range::-moz-range-thumb {
        background: rgb(var(--color-primary));
        border-color: #e5e7eb;
    }

    .ws-add-btn {
        width: 100%;
        background: rgb(var(--color-primary) / 0.08);
        border: 1.5px solid rgb(var(--color-primary) / 0.3);
        color: rgb(var(--color-primary));
        border-radius: 10px;
        padding: 11px 8px;
        font-weight: 700;
        font-size: 13px;
        cursor: pointer;
        transition: all 0.2s ease;
        margin-top: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
    }

    .dark .ws-add-btn {
        background: rgb(var(--color-primary) / 0.15);
        border-color: rgb(var(--color-primary) / 0.35);
        color: var(--color-primary-400, rgb(96 165 250));
    }

    .ws-add-btn:hover:not(:disabled) {
        background: rgb(var(--color-primary));
        border-color: rgb(var(--color-primary));
        color: #ffffff;
        transform: scale(1.02);
    }

    .dark .ws-add-btn:hover:not(:disabled) {
        background: rgb(var(--color-primary));
        border-color: rgb(var(--color-primary));
        color: #ffffff;
    }

    .ws-add-btn:disabled {
        opacity: 0.55;
        cursor: not-allowed;
        transform: none;
    }

    .ws-val-display {
        text-align: center;
        color: rgb(var(--color-primary));
        font-weight: 800;
        font-size: 15px;
        margin-top: 4px;
        direction: ltr;
    }

    .dark .ws-val-display {
        color: var(--color-primary-400, rgb(96 165 250));
    }

    .ws-qty-hint {
        font-size: 0.75rem;
        line-height: 1.25rem;
        margin-bottom: 0.5rem;
        color: #4b5563;
    }

    .dark .ws-qty-hint {
        color: #9ca3af;
    }