/**
 * Product Page Mobile UX Enhancements
 * تحسينات UX لصفحة المنتج - محسّنة للموبايل
 */

/* ============================================
   1. Sticky Bottom Bar - زر ثابت في الأسفل
   ============================================ */

.sticky-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #E57393 0%, #D1537A 100%);
    padding: 12px 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none; /* سيظهر على الموبايل فقط */
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sticky-bottom-bar.visible {
    transform: translateY(0);
}

.sticky-bottom-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    max-width: 600px;
    margin: 0 auto;
}

.sticky-price {
    color: white;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sticky-price-old {
    font-size: 14px;
    text-decoration: line-through;
    opacity: 0.7;
}

.sticky-add-to-cart {
    background: white;
    color: #E57393;
    border: none;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.sticky-add-to-cart:active {
    transform: scale(0.95);
}

.sticky-add-to-cart svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   2. Swipeable Image Gallery - معرض صور بالسحب
   ============================================ */

.product-image-gallery {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 16px;
    background: #f5f5f5;
}

.gallery-container {
    display: flex;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    touch-action: pan-y pinch-zoom;
}

.gallery-slide {
    min-width: 100%;
    position: relative;
}

.gallery-slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.gallery-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.gallery-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transition: all 0.3s;
    cursor: pointer;
}

.gallery-indicator.active {
    background: white;
    width: 24px;
    border-radius: 4px;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.gallery-nav:active {
    transform: translateY(-50%) scale(0.9);
}

.gallery-nav.prev {
    right: 10px;
}

.gallery-nav.next {
    left: 10px;
}

.gallery-nav svg {
    width: 20px;
    height: 20px;
    color: #333;
}

/* ============================================
   3. Quantity Counter - عداد الكمية بأزرار كبيرة
   ============================================ */

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f5f5f5;
    padding: 8px;
    border-radius: 50px;
    width: fit-content;
}

.quantity-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: white;
    color: #E57393;
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.quantity-btn:active {
    transform: scale(0.9);
    background: #E57393;
    color: white;
}

.quantity-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.quantity-value {
    min-width: 50px;
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    color: #333;
    user-select: none;
}

/* ============================================
   Responsive - Mobile First
   ============================================ */

@media (max-width: 768px) {
    .sticky-bottom-bar {
        display: block;
    }
    
    /* إخفاء زر الإضافة الأصلي على الموبايل */
    .original-add-to-cart {
        display: none !important;
    }
    
    .gallery-nav {
        display: none; /* إخفاء الأسهم على الموبايل، السحب أفضل */
    }
}

@media (min-width: 769px) {
    /* على الشاشات الكبيرة، نخفي الزر الثابت */
    .sticky-bottom-bar {
        display: none !important;
    }
    
    .gallery-nav {
        display: flex;
    }
}

/* ============================================
   Animations
   ============================================ */

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse-animation {
    animation: pulse 0.3s ease-in-out;
}

/* ============================================
   Touch Feedback
   ============================================ */

.touch-feedback {
    position: relative;
    overflow: hidden;
}

.touch-feedback::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.touch-feedback:active::after {
    width: 200px;
    height: 200px;
}


/* ============================================
   4. Floating Heart Button - زر المفضلة عائم
   ============================================ */

.floating-wishlist-btn {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: white;
    border: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-wishlist-btn:active {
    transform: scale(0.9);
}

.floating-wishlist-btn.active {
    background: linear-gradient(135deg, #E57393 0%, #D1537A 100%);
}

.floating-wishlist-btn svg {
    width: 28px;
    height: 28px;
    color: #E57393;
    transition: all 0.3s;
}

.floating-wishlist-btn.active svg {
    color: white;
}

/* ============================================
   5. Accordion Sections - أكورديون للوصف
   ============================================ */

.accordion-section {
    border-bottom: 1px solid #e5e5e5;
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.accordion-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.accordion-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s;
    color: #666;
}

.accordion-section.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-section.active .accordion-content {
    max-height: 1000px;
}

.accordion-body {
    padding-bottom: 18px;
    color: #666;
    line-height: 1.7;
    font-size: 14px;
}

/* ============================================
   6. Stock Indicator - مؤشر التوفر
   ============================================ */

.stock-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.stock-indicator.in-stock {
    background: #d4edda;
    color: #155724;
}

.stock-indicator.low-stock {
    background: #fff3cd;
    color: #856404;
}

.stock-indicator.out-of-stock {
    background: #f8d7da;
    color: #721c24;
}

.stock-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.stock-indicator.in-stock .stock-dot {
    background: #28a745;
}

.stock-indicator.low-stock .stock-dot {
    background: #ffc107;
}

.stock-indicator.out-of-stock .stock-dot {
    background: #dc3545;
}

/* ============================================
   7. Related Products Carousel - منتجات مشابهة
   ============================================ */

.related-products-section {
    margin: 40px 0;
}

.related-products-header {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.related-products-carousel {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.related-products-carousel::-webkit-scrollbar {
    display: none;
}

.related-products-container {
    display: flex;
    gap: 15px;
    padding: 10px 0;
}

.related-product-card {
    min-width: 160px;
    flex-shrink: 0;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: transform 0.3s;
}

.related-product-card:active {
    transform: scale(0.95);
}

.related-product-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.related-product-info {
    padding: 12px;
}

.related-product-name {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.related-product-price {
    font-size: 16px;
    font-weight: 700;
    color: #E57393;
}

/* ============================================
   8. Share Button - زر المشاركة
   ============================================ */

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #f5f5f5;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.3s;
}

.share-btn:active {
    transform: scale(0.95);
    background: #e5e5e5;
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   9. Sticky Price Bar - سعر متحرك
   ============================================ */

.sticky-price-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 12px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transform: translateY(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sticky-price-bar.visible {
    transform: translateY(0);
}

.sticky-price-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sticky-product-image {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
}

.sticky-product-details {
    display: flex;
    flex-direction: column;
}

.sticky-product-name {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
}

.sticky-product-price {
    font-size: 16px;
    font-weight: 700;
    color: #E57393;
}

.sticky-cart-btn {
    background: linear-gradient(135deg, #E57393 0%, #D1537A 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.sticky-cart-btn:active {
    transform: scale(0.95);
}

/* ============================================
   10. Interactive Rating - تقييم تفاعلي
   ============================================ */

.interactive-rating {
    margin: 20px 0;
}

.rating-header {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
}

.rating-stars {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.rating-star {
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: all 0.2s;
    color: #ddd;
}

.rating-star:active {
    transform: scale(1.2);
}

.rating-star.filled {
    color: #ffc107;
}

.rating-star.hover {
    color: #ffeb3b;
}

.rating-count {
    font-size: 14px;
    color: #666;
    margin-top: 8px;
}

.rating-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
}

.rating-average {
    font-size: 32px;
    font-weight: 700;
    color: #333;
}

.rating-details {
    flex: 1;
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 4px 0;
}

.rating-bar-label {
    font-size: 12px;
    color: #666;
    min-width: 30px;
}

.rating-bar-fill {
    flex: 1;
    height: 6px;
    background: #f0f0f0;
    border-radius: 3px;
    overflow: hidden;
}

.rating-bar-progress {
    height: 100%;
    background: linear-gradient(135deg, #E57393 0%, #D1537A 100%);
    transition: width 0.3s;
}

.rating-bar-count {
    font-size: 12px;
    color: #999;
    min-width: 30px;
    text-align: right;
}

/* ============================================
   Mobile Optimizations
   ============================================ */

@media (max-width: 768px) {
    .floating-wishlist-btn {
        top: 70px;
        right: 15px;
        width: 50px;
        height: 50px;
    }
    
    .sticky-price-bar {
        padding: 10px 15px;
    }
    
    .related-product-card {
        min-width: 140px;
    }
}