.animate-fade-up { animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; transform: translateY(15px); }
        .delay-100 { animation-delay: 100ms; }
        .delay-200 { animation-delay: 200ms; }
        @keyframes fadeUp { to { opacity: 1; transform: none; } }
        
        /* Styling Variant Pills */
        .variant-pill { border: 1px solid #cbd5e1; color: #475569; background: #fff; position: relative; overflow: hidden; }
        .variant-pill:hover { border-color: #F09004; color: #F09004; background: #fff7ed; }
        .variant-pill.is-active { border-color: #F09004; background: #fff7ed; color: #d98204; font-weight: 700; box-shadow: 0 0 0 1px #F09004; padding-right: 2.4rem; }
        
        .variant-pill::after {
            content: '';
            position: absolute;
            top: 50%;
            right: 0.65rem;
            width: 18px;
            height: 18px;
            border-radius: 999px;
            background: #F09004;
            opacity: 0;
            transform: translateY(-50%) scale(0.82);
            transition: opacity 0.2s ease, transform 0.2s ease;
        }
        .variant-pill.is-active::after { opacity: 1; transform: translateY(-50%) scale(1); }
        .variant-pill.is-active::before {
            content: '';
            position: absolute;
            top: 50%;
            right: 1.05rem;
            z-index: 10;
            width: 5px;
            height: 8px;
            border: solid white;
            border-width: 0 1.7px 1.7px 0;
            transform: translateY(-58%) rotate(45deg);
        }

        input[type=number]::-webkit-inner-spin-button, 
        input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
        input[type=number] { -moz-appearance: textfield; }
        .no-scrollbar::-webkit-scrollbar { display: none; }
        .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

        .medibyx-product-hero {
            display: grid;
            grid-template-columns: minmax(0, 0.86fr) minmax(380px, 0.92fr);
            gap: clamp(2rem, 4vw, 3.5rem);
            align-items: start;
        }
        .medibyx-product-gallery {
            width: 100%;
            min-width: 0;
        }
        .medibyx-main-gallery {
            aspect-ratio: 1 / 0.92;
            min-height: clamp(340px, 34vw, 500px);
            border-radius: 1.25rem;
            background: #f8fafc;
            box-shadow: none;
        }
        .medibyx-main-gallery img {
            padding: 0 !important;
        }
        .medibyx-gallery-thumbs {
            display: flex;
            gap: 0.875rem;
            overflow-x: auto;
            padding: 0.125rem 0.125rem 0.375rem;
            scroll-snap-type: x proximity;
        }
        .medibyx-gallery-thumbs .gallery-thumb {
            width: 92px;
            flex: 0 0 92px;
            border-radius: 0.875rem;
            scroll-snap-align: start;
        }
        .medibyx-product-summary {
            width: 100%;
            max-width: 540px;
            min-width: 0;
        }
        .medibyx-price-panel {
            background: transparent;
            border: 0;
            border-radius: 0;
            box-shadow: none;
            padding: 0;
        }
        .medibyx-trust-row {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 0.75rem;
        }
        .medibyx-trust-row > div {
            min-width: 0;
            white-space: nowrap;
        }
        .medibyx-variant-list {
            display: grid;
            gap: 1.35rem;
        }
        .medibyx-variant-list > :not([hidden]) ~ :not([hidden]) {
            margin-top: 0 !important;
        }
        .variant-section h3 {
            letter-spacing: 0;
        }
        .variant-section > div {
            gap: 0.75rem;
        }
        .variant-pill {
            min-height: 42px;
            border-radius: 0.75rem;
            box-shadow: 0 1px 0 rgba(15,23,42,0.02);
        }
        .variant-btn {
            min-width: 74px;
            justify-content: center;
        }
        .medibyx-product-tabs {
            border-radius: 1.25rem;
            box-shadow: 0 18px 55px -45px rgba(15, 23, 42, 0.4);
        }
        .medibyx-spec-card {
            border: 1px solid #e2e8f0;
            background: #fff;
            border-radius: 1rem;
            min-width: 0;
        }
        .medibyx-spec-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 1rem;
        }
        .medibyx-spec-row {
            display: grid;
            grid-template-columns: minmax(96px, 0.42fr) minmax(0, 1fr);
            gap: 1rem;
            align-items: start;
            padding: 0.8rem 0;
            border-top: 1px solid #f1f5f9;
        }
        .medibyx-spec-row:first-of-type {
            border-top: 0;
            padding-top: 0;
        }
        .medibyx-related-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1rem;
        }

        .mobile-sticky-cart.is-fixed-mobile-cart {
            position: fixed !important;
            left: 0 !important;
            right: 0 !important;
            bottom: 0 !important;
            z-index: 9999 !important;
            width: 100% !important;
            max-width: none !important;
            margin: 0 !important;
            background: rgba(255, 255, 255, 0.98);
            padding: 0.7rem 0.75rem max(0.7rem, env(safe-area-inset-bottom));
            border-top: 1px solid #e2e8f0;
            box-shadow: 0 -12px 30px rgba(15,23,42,0.12);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
        }
        .mobile-sticky-cart.is-fixed-mobile-cart .mobile-sticky-summary {
            display: flex !important;
            margin-bottom: 0.55rem !important;
        }
        .mobile-sticky-cart.is-fixed-mobile-cart .mobile-sticky-actions {
            display: grid;
            grid-template-columns: 96px 48px minmax(0, 1fr);
            gap: 0.5rem;
            align-items: center;
        }
        .mobile-sticky-cart.is-fixed-mobile-cart .qty-stepper {
            width: 96px !important;
            height: 46px;
            border-radius: 0.875rem;
        }
        .mobile-sticky-cart.is-fixed-mobile-cart .single_add_to_cart_button {
            min-width: 0;
            height: 46px;
            border-radius: 0.875rem;
            font-size: 13px;
            padding-left: 0.5rem;
            padding-right: 0.5rem;
            white-space: nowrap;
        }
        .mobile-sticky-cart.is-fixed-mobile-cart .single_add_to_cart_button:first-of-type {
            flex: none;
            width: 48px;
            padding: 0;
        }
        .mobile-sticky-cart.is-fixed-mobile-cart .single_add_to_cart_button:first-of-type span {
            display: none;
        }
        body.cart-is-open .mobile-sticky-cart.is-fixed-mobile-cart,
        body.drawer-open .mobile-sticky-cart.is-fixed-mobile-cart {
            opacity: 0 !important;
            pointer-events: none !important;
            transform: translateY(110%) !important;
        }
        body.has-mobile-sticky-cart {
            padding-bottom: 128px !important;
        }
        body.has-mobile-sticky-cart #backToTop {
            bottom: 8.75rem !important;
        }

        @media (max-width: 1180px) and (min-width: 1024px) {
            .medibyx-product-hero {
                grid-template-columns: minmax(0, 0.82fr) minmax(340px, 0.94fr);
                gap: 2rem;
            }
            .medibyx-main-gallery {
                min-height: 380px;
            }
        }

        @media (max-width: 1023px) {
            .medibyx-product-hero {
                display: block;
            }
            .medibyx-product-gallery {
                position: static !important;
                margin-bottom: 1.75rem;
                max-width: 520px;
                margin-left: auto;
                margin-right: auto;
            }
            .medibyx-main-gallery {
                min-height: auto;
                aspect-ratio: 1 / 0.88;
            }
            .medibyx-gallery-thumbs .gallery-thumb {
                width: 76px;
                flex-basis: 76px;
            }
            .medibyx-product-summary {
                max-width: none;
            }
            .medibyx-spec-grid,
            .medibyx-related-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .medibyx-trust-row {
                grid-template-columns: 1fr;
                gap: 0.6rem;
            }
            .mobile-sticky-cart {
                position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
                background: rgba(255, 255, 255, 0.96); padding: 0.75rem 0.75rem max(0.75rem, env(safe-area-inset-bottom));
                border-top: 1px solid #e2e8f0; box-shadow: 0 -12px 30px rgba(15,23,42,0.12);
                -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
            }
            body.single-product { padding-bottom: 128px; }
            .mobile-sticky-summary { display: flex; }
            .mobile-sticky-actions {
                display: grid; grid-template-columns: 104px 48px minmax(0, 1fr); gap: 0.5rem;
                align-items: center;
            }
            .mobile-sticky-actions .single_add_to_cart_button {
                min-width: 0; height: 46px; border-radius: 0.875rem; font-size: 13px; padding-left: 0.5rem; padding-right: 0.5rem;
            }
            .mobile-sticky-actions .single_add_to_cart_button:first-of-type {
                flex: none; width: 48px;
            }
            .mobile-sticky-actions .single_add_to_cart_button:first-of-type span {
                display: none;
            }
        }

        @media (max-width: 379px) {
            body.single-product { padding-bottom: 140px; }
            body.has-mobile-sticky-cart { padding-bottom: 140px !important; }
            body.has-mobile-sticky-cart #backToTop { bottom: 9.25rem !important; }
            .mobile-sticky-cart.is-fixed-mobile-cart .mobile-sticky-actions { grid-template-columns: 96px 44px minmax(0, 1fr); gap: 0.375rem; }
            .mobile-sticky-cart.is-fixed-mobile-cart .single_add_to_cart_button { height: 44px; font-size: 12px; }
            .mobile-sticky-cart.is-fixed-mobile-cart .single_add_to_cart_button:first-of-type { width: 44px; }
            .mobile-sticky-cart.is-fixed-mobile-cart .qty-stepper { width: 96px; height: 44px; }
            .mobile-sticky-actions { grid-template-columns: 96px 44px minmax(0, 1fr); gap: 0.375rem; }
            .mobile-sticky-actions .single_add_to_cart_button { height: 44px; font-size: 12px; }
            .mobile-sticky-actions .single_add_to_cart_button:first-of-type { width: 44px; }
            .mobile-sticky-actions .qty-stepper { width: 96px; height: 44px; }
        }

        @media (max-width: 639px) {
            .medibyx-spec-grid {
                grid-template-columns: minmax(0, 1fr);
            }
            .medibyx-related-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 0.75rem;
            }
            .medibyx-spec-row {
                grid-template-columns: minmax(0, 1fr);
                gap: 0.25rem;
            }
        }