/* =============================================================================
   PRODUCT LIGHTBOX MODAL
   ============================================================================= */

/* Modal Overlay */
.product-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
    overflow: hidden;
}

.product-lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

/* Modal Content Container */
.lightbox-content {
    position: relative;
    max-width: 1200px;
    width: 90%;
    max-height: 90vh;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.product-lightbox.active .lightbox-content {
    transform: scale(1);
}

/* Close Button */
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    font-size: 28px;
    line-height: 1;
    color: #333;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.lightbox-close:hover {
    background: #fff;
    transform: rotate(90deg);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Navigation Buttons */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    font-size: 32px;
    line-height: 1;
    color: #333;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.lightbox-nav:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.lightbox-nav.prev {
    left: 20px;
}

.lightbox-nav.next {
    right: 20px;
}

.lightbox-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lightbox-nav:disabled:hover {
    transform: translateY(-50%) scale(1);
}

/* Main Layout */
.lightbox-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    height: 100%;
    max-height: 90vh;
}

/* Image Section */
.lightbox-image-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.lightbox-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    cursor: zoom-in;
}

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

/* Product Details Section */
.lightbox-details {
    padding: 50px 40px;
    background: #fff;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.lightbox-product-name {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.2;
}

.lightbox-product-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
    flex-grow: 1;
}

.lightbox-product-price {
    font-size: 36px;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 30px;
}

.lightbox-actions {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.lightbox-btn {
    flex: 1;
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.lightbox-btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.lightbox-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.lightbox-btn-secondary {
    background: #f3f4f6;
    color: #374151;
}

.lightbox-btn-secondary:hover {
    background: #e5e7eb;
}

/* Product Image Trigger (in catalog) */
.product-image {
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-image:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Loading Animation */
.lightbox-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.lightbox-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* =============================================================================
   RESPONSIVE DESIGN
   ============================================================================= */

/* Tablets */
@media (max-width: 1024px) {
    .lightbox-layout {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }
    
    .lightbox-image-section {
        min-height: 50vh;
        padding: 30px;
    }
    
    .lightbox-details {
        padding: 40px 30px;
        max-height: 50vh;
    }
    
    .lightbox-product-name {
        font-size: 28px;
    }
    
    .lightbox-product-price {
        font-size: 30px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .lightbox-content {
        width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .lightbox-layout {
        grid-template-rows: 60vh auto;
    }
    
    .lightbox-close {
        width: 40px;
        height: 40px;
        top: 15px;
        right: 15px;
        font-size: 24px;
    }
    
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 28px;
    }
    
    .lightbox-nav.prev {
        left: 10px;
    }
    
    .lightbox-nav.next {
        right: 10px;
    }
    
    .lightbox-image-section {
        padding: 20px;
        min-height: auto;
    }
    
    .lightbox-details {
        padding: 30px 20px;
        max-height: 40vh;
    }
    
    .lightbox-product-name {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .lightbox-product-description {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .lightbox-product-price {
        font-size: 26px;
        margin-bottom: 20px;
    }
    
    .lightbox-actions {
        flex-direction: column;
    }
    
    .lightbox-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}

/* Very Small Screens */
@media (max-width: 480px) {
    .lightbox-product-name {
        font-size: 20px;
    }
    
    .lightbox-product-price {
        font-size: 24px;
    }
    
    .lightbox-image:hover {
        transform: none;
    }
}

/* Prevent body scroll when modal is open */
body.lightbox-open {
    overflow: hidden;
}