/* صفحة تفاصيل المنتج */
.product-details {
    padding: 40px 20px 80px;
    min-height: calc(100vh - 400px);
}

.back-btn {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.back-btn:hover {
    transform: translateX(5px);
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* معرض الصور */
.product-gallery {
    position: sticky;
    top: 100px;
}

.main-image-container {
    position: relative;
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
    cursor: zoom-in;
    box-shadow: var(--shadow);
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.main-image-container:hover .main-image {
    transform: scale(1.05);
}

.zoom-icon {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 5;
}

.zoom-icon:hover {
    background: white;
    transform: scale(1.1);
}

.thumbnails {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 10px 0;
}

.thumbnail {
    width: 100%;
    height: 100px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.thumbnail:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.thumbnail.active {
    border-color: var(--secondary-color);
    box-shadow: 0 5px 20px rgba(118, 75, 162, 0.3);
    transform: scale(1.05);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* باقي الكود كما هو... */