/* ===================================
   Product Details Page - Enhanced Professional Design
   =================================== */

:root {
    --product-primary: #7c3aed;
    --product-primary-dark: #6d28d9;
    --product-primary-light: #ede9fe;
    --product-accent: #10b981;
    --product-accent-dark: #059669;
    --product-danger: #ef4444;
    --product-warning: #f59e0b;
    --product-success: #10b981;
    --product-gray-50: #f9fafb;
    --product-gray-100: #f3f4f6;
    --product-gray-200: #e5e7eb;
    --product-gray-300: #d1d5db;
    --product-gray-400: #9ca3af;
    --product-gray-500: #6b7280;
    --product-gray-600: #4b5563;
    --product-gray-700: #374151;
    --product-gray-800: #1f2937;
    --product-gray-900: #111827;
    --product-white: #ffffff;
    --product-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --product-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --product-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --product-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --product-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --product-border-radius: 12px;
    --product-border-radius-lg: 16px;
    --product-border-radius-xl: 20px;
}

.product-details-wrapper {
    background: var(--product-white);
    border-radius: var(--product-border-radius);
    box-shadow: var(--product-shadow-md);
    overflow: hidden;
    margin: 1rem auto;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-details-header {
    background: linear-gradient(135deg, var(--product-primary) 0%, var(--product-primary-dark) 100%);
    padding: 1rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.product-details-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.product-details-header > div {
    position: relative;
    z-index: 1;
}

.product-details-header h2 {
    color: var(--product-white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.5px;
}

.product-details-body {
    padding: 1rem 1rem;
    background: var(--product-white);
}

.back-button {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--product-white);
    color: var(--product-primary);
    border: 1px solid var(--product-primary);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--product-transition);
    margin-bottom: 1rem;
    box-shadow: var(--product-shadow-sm);
    position: relative;
    overflow: hidden;
}

.back-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--product-primary);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.back-button:hover::before {
    width: 300px;
    height: 300px;
}

.back-button:hover {
    color: var(--product-white);
    border-color: var(--product-primary-dark);
    transform: translateX(-8px);
    box-shadow: var(--product-shadow-md);
}

.back-button i {
    margin-right: 0.5rem;
    position: relative;
    z-index: 1;
}

.back-button span {
    position: relative;
    z-index: 1;
}

/* Product Image Section */
.product-main-image {
    text-align: center;
    background: var(--product-white);
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--product-gray-200);
    box-shadow: var(--product-shadow-sm);
    transition: var(--product-transition);
    position: relative;
    overflow: hidden;
}

.product-main-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.03) 0%, rgba(16, 185, 129, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-main-image:hover::before {
    opacity: 1;
}

.product-main-image:hover {
    box-shadow: var(--product-shadow-lg);
    transform: translateY(-5px);
}

.product-main-image img {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 6px;
    transition: var(--product-transition);
    position: relative;
    z-index: 1;
}

.product-main-image:hover img {
    transform: scale(1.02);
}

/* Product Info Section */
.product-info {
    padding-left: 1rem;
}

.product-category-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, var(--product-primary) 0%, var(--product-primary-dark) 100%);
    color: var(--product-white);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    box-shadow: var(--product-shadow-md);
    transition: var(--product-transition);
}

.product-category-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--product-shadow-lg);
}

.product-category-badge i {
    margin-right: 0.5rem;
    font-size: 1rem;
}

.product-category-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--product-gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

/* Product Options Section - Enhanced */
.product-options-section {
    background: var(--product-white);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--product-gray-200);
    box-shadow: var(--product-shadow-sm);
    margin-bottom: 1rem;
}

.product-option-group {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--product-gray-200);
}

.product-option-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.product-option-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--product-gray-800);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.product-option-label strong {
    color: var(--product-primary);
    font-weight: 700;
}

.product-option-label::after {
    content: '';
    flex: 1;
    height: 2px;
    background: linear-gradient(to right, var(--product-primary), transparent);
    margin-left: 1rem;
}

.product-option-values {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.product-option-value-btn {
    padding: 0.5rem 1rem !important;
    border: 1px solid var(--product-gray-300) !important;
    border-radius: 6px !important;
    background: var(--product-white) !important;
    color: var(--product-gray-700) !important;
    font-weight: 500 !important;
    font-size: 0.875rem !important;
    transition: var(--product-transition) !important;
    position: relative;
    overflow: hidden;
    min-width: 60px;
    text-align: center;
}

.product-option-value-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--product-primary-light);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.product-option-value-btn:hover {
    border-color: var(--product-primary) !important;
    color: var(--product-primary) !important;
    transform: translateY(-2px);
    box-shadow: var(--product-shadow-md);
}

.product-option-value-btn:hover::before {
    width: 200px;
    height: 200px;
}

.product-option-value-btn.active {
    background: linear-gradient(135deg, var(--product-primary) 0%, var(--product-primary-dark) 100%) !important;
    border-color: var(--product-primary-dark) !important;
    color: var(--product-white) !important;
    box-shadow: var(--product-shadow-lg);
    transform: translateY(-2px);
}

.product-option-value-btn.active::before {
    background: rgba(255, 255, 255, 0.2);
    width: 200px;
    height: 200px;
}

#variantInfo {
    margin-top: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--product-border-radius);
    border-left: 4px solid var(--product-primary);
    background: var(--product-primary-light);
    animation: slideInDown 0.3s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Price Area - Enhanced */
.product-price-area {
    background: var(--product-white);
    padding: 0.75rem 0;
    border-radius: 0;
    border: none;
    margin-bottom: 1rem;
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

.product-price-with-installments {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    flex-wrap: wrap;
}

.product-price-section-main {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.product-installments-section {
    flex: 1;
    min-width: 300px;
}

.product-price-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--product-primary) 0%, var(--product-accent) 100%);
}

.product-old-price {
    color: var(--product-gray-400);
    font-size: 0.9375rem;
    text-decoration: line-through;
    margin-bottom: 0.25rem;
    font-weight: 400;
}

.product-new-price {
    color: var(--product-primary);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    line-height: 1.2;
}

.product-tax-notice {
    color: var(--product-gray-500);
    font-size: 0.75rem;
    font-style: italic;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.product-tax-notice::before {
    content: 'ℹ️';
    font-style: normal;
}

/* Stock Info - Enhanced */
.stock-info {
    margin-top: 1rem;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.stock-info .badge {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--product-border-radius);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--product-shadow-sm);
}

.stock-info .badge.bg-success {
    background: linear-gradient(135deg, var(--product-success) 0%, var(--product-accent-dark) 100%) !important;
    color: var(--product-white);
}

.stock-info .badge.bg-danger {
    background: linear-gradient(135deg, var(--product-danger) 0%, #dc2626 100%) !important;
    color: var(--product-white);
}

.stock-info .badge.bg-warning {
    background: linear-gradient(135deg, var(--product-warning) 0%, #d97706 100%) !important;
    color: var(--product-white);
}

/* Expiry Date Info */
.expiry-date-info {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid #f59e0b;
    border-radius: var(--product-border-radius);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #92400e;
    animation: fadeIn 0.3s ease-out;
    box-shadow: var(--product-shadow-sm);
}

.expiry-date-info i {
    font-size: 1.1rem;
    color: #f59e0b;
}

.expiry-date-info span {
    flex: 1;
}

/* Product Actions - Enhanced */
.product-actions {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

@media (min-width: 769px) {
    .product-actions {
        align-items: center;
    }
}

.add-to-cart-button {
    flex: 1;
    min-width: 180px;
    background: linear-gradient(135deg, var(--product-primary) 0%, var(--product-primary-dark) 100%);
    color: var(--product-white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
    transition: var(--product-transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.add-to-cart-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.add-to-cart-button:hover::before {
    width: 400px;
    height: 400px;
}

.add-to-cart-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(124, 58, 237, 0.5);
}

.add-to-cart-button:active {
    transform: translateY(-2px);
}

.add-to-cart-button i {
    margin-right: 0.75rem;
    position: relative;
    z-index: 1;
}

.add-to-cart-button span {
    position: relative;
    z-index: 1;
}

.add-to-cart-button:disabled,
.add-to-cart-button.out-of-stock {
    background: linear-gradient(135deg, #9ca3af, #6b7280) !important;
    color: white !important;
    cursor: not-allowed !important;
    opacity: 0.7 !important;
    pointer-events: none !important;
    border: 2px solid var(--product-danger);
    box-shadow: none !important;
}

.add-to-cart-button:disabled:hover,
.add-to-cart-button.out-of-stock:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Quantity Selector - Professional Design */
.quantity-selector-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    min-width: 120px;
}

.quantity-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--product-gray-700);
    margin: 0;
    text-transform: none;
    letter-spacing: 0;
}

.quantity-selector {
    display: flex;
    align-items: center;
    background: var(--product-white);
    border: 1px solid var(--product-gray-300);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--product-shadow-sm);
    transition: var(--product-transition);
}

.quantity-selector:focus-within {
    border-color: var(--product-primary);
    box-shadow: 0 0 0 4px var(--product-primary-light);
}

.quantity-btn {
    background: var(--product-gray-50);
    border: none;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--product-transition);
    color: var(--product-gray-700);
    padding: 0;
    position: relative;
    overflow: hidden;
}

.quantity-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--product-primary-light);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.quantity-btn:hover::before {
    width: 200px;
    height: 200px;
}

.quantity-btn:hover {
    background: var(--product-primary-light);
    color: var(--product-primary);
}

.quantity-btn:active,
.quantity-btn.quantity-btn-clicked {
    background: var(--product-primary);
    color: var(--product-white);
    transform: scale(0.95);
}

.quantity-btn:active::before,
.quantity-btn.quantity-btn-clicked::before {
    background: rgba(255, 255, 255, 0.3);
    width: 200px;
    height: 200px;
}

.quantity-btn i {
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
    transition: transform 0.2s ease;
}

.quantity-btn:hover i {
    transform: scale(1.2);
}

.quantity-btn-minus {
    border-right: 1px solid var(--product-gray-300);
}

.quantity-btn-plus {
    border-left: 1px solid var(--product-gray-300);
}

.quantity-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    background: var(--product-gray-200) !important;
    color: var(--product-gray-400) !important;
}

.quantity-btn:disabled::before {
    display: none;
}

.quantity-btn:disabled:hover {
    background: var(--product-gray-200) !important;
    color: var(--product-gray-400) !important;
    transform: none;
}

.product-quantity-input {
    flex: 1;
    width: 50px;
    padding: 0.5rem 0.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-left: 1px solid var(--product-gray-300);
    border-right: 1px solid var(--product-gray-300);
    background: var(--product-white);
    color: var(--product-gray-900);
    transition: var(--product-transition);
    -moz-appearance: textfield;
    appearance: textfield;
}

.product-quantity-input::-webkit-outer-spin-button,
.product-quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.product-quantity-input:focus {
    outline: none;
    background: var(--product-gray-50);
}

.product-quantity-input[readonly] {
    cursor: default;
    user-select: none;
}

#quantityError {
    display: block;
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: #fee2e2;
    color: var(--product-danger);
    border-radius: var(--product-border-radius);
    font-size: 0.875rem;
    font-weight: 600;
    border-left: 3px solid var(--product-danger);
    animation: shake 0.4s ease-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* WhatsApp Button - Enhanced */
.whatsapp-product-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--product-white);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--product-transition);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    position: relative;
    overflow: hidden;
}

.whatsapp-product-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.whatsapp-product-btn:hover::before {
    width: 400px;
    height: 400px;
}

.whatsapp-product-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.4);
    color: var(--product-white);
}

.whatsapp-product-btn i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
}

.whatsapp-product-btn span {
    position: relative;
    z-index: 1;
}

/* Product Details Carousel - Enhanced */
.product-details-carousel {
    width: 100%;
    position: relative;
    border-radius: var(--product-border-radius-lg);
    overflow: hidden;
    background: var(--product-white);
}

.product-details-carousel .carousel-inner {
    background: var(--product-white);
    padding: 0.75rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-details-carousel .carousel-item {
    text-align: center;
    margin-right: 0;
}

.product-details-carousel .carousel-item img {
    max-width: 100%;
    max-height: 400px;
    height: auto;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: var(--product-shadow-sm);
    transition: var(--product-transition);
}

.product-details-carousel .carousel-control-prev,
.product-details-carousel .carousel-control-next {
    width: 56px;
    height: 56px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    opacity: 0.8;
    transition: var(--product-transition);
    box-shadow: var(--product-shadow-md);
    border: 2px solid var(--product-gray-200);
}

.product-details-carousel:hover .carousel-control-prev,
.product-details-carousel:hover .carousel-control-next {
    opacity: 1;
    background: var(--product-white);
}

.product-details-carousel .carousel-control-prev:hover,
.product-details-carousel .carousel-control-next:hover {
    background: var(--product-primary);
    border-color: var(--product-primary);
    transform: translateY(-50%) scale(1.1);
}

.product-details-carousel .carousel-control-prev-icon,
.product-details-carousel .carousel-control-next-icon {
    width: 24px;
    height: 24px;
    filter: brightness(0) saturate(100%) invert(0%);
}

.product-details-carousel .carousel-control-prev:hover .carousel-control-prev-icon,
.product-details-carousel .carousel-control-next:hover .carousel-control-next-icon {
    filter: brightness(0) saturate(100%) invert(100%);
}

.product-details-carousel .carousel-indicators {
    margin-bottom: 1.5rem;
    bottom: 0;
    gap: 0.5rem;
}

.product-details-carousel .carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--product-gray-300);
    border: 2px solid var(--product-white);
    margin: 0;
    opacity: 0.6;
    transition: var(--product-transition);
    box-shadow: var(--product-shadow-sm);
}

.product-details-carousel .carousel-indicators button.active {
    background-color: var(--product-primary);
    border-color: var(--product-primary);
    opacity: 1;
    transform: scale(1.3);
}

.product-details-carousel .carousel-indicators button:hover {
    opacity: 1;
    transform: scale(1.2);
}

/* Product Info Image Section */
.product-info-image-section {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--product-white);
    border-radius: 8px;
    border: 1px solid var(--product-gray-200);
    box-shadow: var(--product-shadow-sm);
}

/* Product Info Image Section - Mobile */
.product-info-image-section-mobile {
    padding: 0.75rem;
    background: var(--product-white);
    border-radius: 8px;
    border: 1px solid var(--product-gray-200);
    box-shadow: var(--product-shadow-sm);
}

.product-info-image-section h5 {
    color: var(--product-primary);
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.info-image-container {
    border-radius: var(--product-border-radius);
    overflow: hidden;
}

.info-image-container img {
    width: 100%;
    height: auto;
    display: block;
}

/* Product Details Tabs - Enhanced */
.product-details-tabs-section {
    margin-top: 1.5rem;
}

.custom-tabs-wrapper {
    background: var(--product-white);
    border-radius: 8px;
    box-shadow: var(--product-shadow-sm);
    overflow: hidden;
    border: 1px solid var(--product-gray-200);
}

.custom-nav-tabs {
    border-bottom: 1px solid var(--product-gray-200);
    background: var(--product-gray-50);
    padding: 0.5rem;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.custom-nav-tabs .nav-item {
    margin: 0;
}

.custom-nav-tabs .nav-link {
    border: none;
    border-radius: 6px;
    padding: 0.5rem 1rem !important;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--product-gray-600) !important;
    background: transparent;
    transition: var(--product-transition);
    position: relative;
    display: flex;
    align-items: center;
    white-space: nowrap;
    margin: 0;
}

.custom-nav-tabs .nav-link i {
    font-size: 1.15rem;
    margin-right: 0.5rem;
    transition: transform 0.3s ease;
}

.custom-nav-tabs .nav-link:hover {
    color: var(--product-primary) !important;
    background: var(--product-primary-light);
    transform: translateY(-2px);
}

.custom-nav-tabs .nav-link:hover i {
    transform: scale(1.15) rotate(5deg);
}

.custom-nav-tabs .nav-link.active {
    color: var(--product-white) !important;
    background: linear-gradient(135deg, var(--product-primary) 0%, var(--product-primary-dark) 100%);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
    transform: translateY(-2px);
}

.custom-nav-tabs .nav-link.active i {
    transform: scale(1.15);
    color: var(--product-white);
}

.custom-tab-content {
    padding: 1rem;
    min-height: 150px;
    background: var(--product-white);
}

.custom-tab-content .tab-pane {
    animation: fadeInUp 0.4s ease-out;
}

.tab-content-body {
    color: var(--product-gray-700);
    font-size: 0.9375rem;
    line-height: 1.7;
    padding: 0.25rem 0;
}

/* Preserve line breaks in textarea content */
.preserve-line-breaks {
    white-space: pre-line; /* Preserves line breaks and wraps text */
    word-wrap: break-word; /* Breaks long words if needed */
    overflow-wrap: break-word; /* Modern property for word breaking */
}

.tab-content-body p {
    margin-bottom: 1.25rem;
}

.tab-content-body ul,
.tab-content-body ol {
    margin-bottom: 1.25rem;
    padding-left: 2rem;
}

.tab-content-body li {
    margin-bottom: 0.75rem;
}

.tab-content-body h1,
.tab-content-body h2,
.tab-content-body h3,
.tab-content-body h4,
.tab-content-body h5,
.tab-content-body h6 {
    color: var(--product-gray-900);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.tab-content-body strong {
    color: var(--product-primary);
    font-weight: 700;
}

/* Responsive Design - Mobile First */
@media (max-width: 1200px) {
    .product-details-wrapper {
        margin: 1.5rem;
    }
    
    .product-details-body {
        padding: 2.5rem 2rem;
    }
}

@media (max-width: 992px) {
    .product-info {
        padding-left: 0;
        margin-top: 1rem;
    }

    .product-details-body {
        padding: 0.75rem;
    }
    
    .product-category-name {
        font-size: 1.125rem;
    }
    
    .product-details-wrapper {
        margin: 0.5rem;
    }
}

@media (max-width: 768px) {
    .product-details-header {
        padding: 0.75rem 1rem;
    }

    .product-details-header h2 {
        font-size: 1.25rem;
    }

    .product-details-body {
        padding: 0.5rem;
    }

    .product-main-image {
        padding: 0.5rem;
    }

    .product-main-image img {
        max-height: 280px;
    }
    
    .product-category-name {
        font-size: 1rem;
    }

    .product-new-price {
        font-size: 1.5rem;
    }
    
    .product-details-wrapper {
        margin: 0.25rem;
        border-radius: 8px;
    }

    .product-actions {
        flex-direction: column;
        margin-bottom: 1.25rem;
        gap: 1rem;
    }
    
    .quantity-selector-wrapper {
        width: 100%;
    }
    
    .quantity-selector {
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
    }

    .add-to-cart-button {
        width: 100%;
    }
    
    .product-options-section {
        padding: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .product-option-group {
        margin-bottom: 0.75rem;
        padding-bottom: 0.5rem;
    }
    
    .product-option-values {
        gap: 0.375rem;
    }
    
    .product-option-value-btn {
        padding: 0.5rem 0.75rem !important;
        font-size: 0.8125rem !important;
    }
    
    .product-price-area {
        padding: 0.5rem 0;
        margin-bottom: 0.75rem;
    }
    
    .product-info-image-section-mobile {
        margin-top: 1rem;
        margin-bottom: 1rem;
    }
    
    .product-details-carousel .carousel-inner {
        min-height: 250px;
        padding: 0.5rem;
    }

    .product-details-carousel .carousel-item img {
        max-height: 280px;
    }

    .product-details-carousel .carousel-control-prev,
    .product-details-carousel .carousel-control-next {
        width: 40px;
        height: 40px;
    }

    .product-details-carousel .carousel-control-prev-icon,
    .product-details-carousel .carousel-control-next-icon {
        width: 18px;
        height: 18px;
    }

    .product-details-carousel .carousel-indicators button {
        width: 8px;
        height: 8px;
        margin: 0 3px;
    }
    
    .custom-nav-tabs {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.75rem;
    }
    
    .custom-nav-tabs .nav-link {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem !important;
    }
    
    .custom-tab-content {
        padding: 0.75rem;
    }
    
    .back-button {
        margin-bottom: 0.75rem;
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }
    
    .product-details-tabs-section {
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .product-details-wrapper {
        margin: 1rem 0.5rem;
        border-radius: var(--product-border-radius-lg);
    }
    
    .product-details-header {
        padding: 1.5rem 1rem;
    }

    .product-details-header h2 {
        font-size: 1.5rem;
    }

    .product-details-body {
        padding: 1.25rem 0.75rem;
    }
    
    .back-button {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
        margin-bottom: 1.5rem;
    }

    .product-category-name {
        font-size: 1.375rem;
    }

    .product-new-price {
        font-size: 2rem;
    }
    
    .product-actions {
        flex-direction: column;
        margin-bottom: 1.25rem;
        gap: 1rem;
    }
    
    .quantity-selector-wrapper {
        width: 100%;
    }
    
    .quantity-selector {
        width: 100%;
        max-width: 180px;
        margin: 0 auto;
    }
    
    .quantity-btn {
        width: 40px;
        height: 40px;
    }
    
    .quantity-btn i {
        font-size: 1.1rem;
    }
    
    .product-quantity-input {
        font-size: 1rem;
        padding: 0.75rem 0.5rem;
    }

    .add-to-cart-button {
        font-size: 1rem;
        padding: 1rem 1.5rem;
    }
    
    .product-price-area {
        padding: 1.5rem;
    }
    
    .product-options-section {
        padding: 1.25rem;
    }
    
    .product-option-group {
        margin-bottom: 1.5rem;
        padding-bottom: 1.25rem;
    }
    
    .product-option-value-btn {
        padding: 0.625rem 1rem !important;
        font-size: 0.8125rem !important;
        min-width: 70px;
    }
    
    .product-details-carousel .carousel-inner {
        min-height: 300px;
        padding: 1rem;
    }

    .product-details-carousel .carousel-item img {
        max-height: 300px;
    }
    
    .custom-nav-tabs .nav-link {
        font-size: 0.875rem;
        padding: 0.75rem 1rem !important;
    }
    
    .custom-nav-tabs .nav-link i {
        font-size: 1rem;
        margin-right: 0.375rem;
    }
    
    .custom-tab-content {
        padding: 1.25rem;
    }
    
    .tab-content-body {
        font-size: 1rem;
    }
    
    .whatsapp-product-btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* RTL Support */
[dir="rtl"] .back-button i {
    margin-right: 0;
    margin-left: 0.5rem;
}

[dir="rtl"] .product-info {
    padding-left: 0;
    padding-right: 2.5rem;
}

[dir="rtl"] .product-option-label::after {
    margin-left: 0;
    margin-right: 1rem;
}

[dir="rtl"] .add-to-cart-button i {
    margin-right: 0;
    margin-left: 0.75rem;
}

[dir="rtl"] .whatsapp-product-btn i {
    margin-right: 0;
    margin-left: 0.75rem;
}

@media (max-width: 992px) {
    [dir="rtl"] .product-info {
        padding-right: 0;
    }
}

/* Stock Notification Form */
.out-of-stock-alert {
    margin-top: 1rem;
    animation: slideInDown 0.3s ease-out;
}

.stock-notification-form {
    background: var(--product-gray-50);
    padding: 1.5rem;
    border-radius: var(--product-border-radius-lg);
    border: 1px solid var(--product-gray-200);
    box-shadow: var(--product-shadow-sm);
}

.stock-notification-form h6 {
    color: var(--product-primary);
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

/* SweetAlert form styling */
.swal2-popup .form-control {
    border: 2px solid var(--product-gray-300);
    border-radius: var(--product-border-radius);
    padding: 0.75rem 1rem;
    transition: var(--product-transition);
    width: 100%;
}

.swal2-popup .form-control:focus {
    border-color: var(--product-primary);
    box-shadow: 0 0 0 4px var(--product-primary-light);
    outline: none;
}

.swal2-popup .form-label {
    font-weight: 600;
    color: var(--product-gray-700);
    margin-bottom: 0.5rem;
    display: block;
}

#stockNotificationMessage {
    font-size: 0.9rem;
    padding: 0.75rem;
    border-radius: var(--product-border-radius);
}

#stockNotificationMessage.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

#stockNotificationMessage.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

#subscribeStockNotificationBtn,
#subscribeStockNotificationGuestBtn {
    background: linear-gradient(135deg, var(--product-primary) 0%, var(--product-primary-dark) 100%);
    color: var(--product-white);
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--product-border-radius);
    font-weight: 600;
    transition: var(--product-transition);
    box-shadow: var(--product-shadow-md);
}

#subscribeStockNotificationBtn:hover,
#subscribeStockNotificationGuestBtn:hover {
    transform: translateY(-2px);
    box-shadow: var(--product-shadow-lg);
}

#subscribeStockNotificationBtn:disabled,
#subscribeStockNotificationGuestBtn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Payment Installments */
.payment-installments {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0;
}

.installment-option {
    background: var(--product-white);
    border-radius: 10px;
    padding: 1rem;
    border: 1px solid var(--product-gray-200);
    transition: var(--product-transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.installment-option:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.installment-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.installment-logo {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: 0.5rem;
}

.installment-logo-img {
    max-height: 35px;
    max-width: 100px;
    height: auto;
    width: auto;
    object-fit: contain;
}

.installment-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.installment-text > span {
    font-size: 0.875rem;
    color: var(--product-gray-700);
    line-height: 1.5;
    font-weight: 500;
}

.installment-details {
    font-size: 0.8125rem;
    color: var(--product-gray-600);
    margin-top: 0.25rem;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .product-price-with-installments {
        flex-wrap: nowrap;
        align-items: flex-start;
        gap: 2rem;
    }
    
    .product-price-section-main {
        flex: 0 0 auto;
        min-width: 200px;
    }
    
    .product-installments-section {
        margin-top: 0;
        flex: 1;
    }
    
    .payment-installments {
        flex-direction: row;
        gap: 1rem;
    }
    
    .installment-option {
        flex: 1;
        min-width: 0;
    }
    
    .installment-content {
        height: 100%;
    }
}


@media (max-width: 768px) {
    .product-price-with-installments {
        flex-direction: column;
        gap: 1rem;
    }
    
    .product-price-section-main {
        width: 100%;
    }
    
    .product-installments-section {
        width: 100%;
        margin-top: 0;
    }
    
    .payment-installments {
        flex-direction: column;
    }
    
    .installment-option {
        width: 80%;
    }
    
    .installment-content {
        gap: 0.5rem;
    }
    
    .installment-logo {
        margin-bottom: 0.5rem;
    }
}

/* Print Styles */
@media print {
    .product-details-wrapper {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .back-button,
    .add-to-cart-button,
    .whatsapp-product-btn,
    .product-details-carousel .carousel-control-prev,
    .product-details-carousel .carousel-control-next,
    .product-details-carousel .carousel-indicators,
    .stock-notification-form,
    .payment-installments {
        display: none;
    }
}