/* ===========================================
   PRODUCT PAGE STYLES
   =========================================== */

.product-page {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 100%);
    min-height: calc(100vh - 200px);
}

.product__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* Product Image Section */
.product__image-section {
    position: sticky;
    top: 100px;
}

.product__image-container {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 15px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 20px rgba(34, 197, 94, 0.08);
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.product__main-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.product__main-image:hover {
    transform: scale(1.02);
}

/* Product Details Section */
.product__details-section {
    position: sticky;
    top: 100px;
}

.product__details-card {
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 100%);
    border-radius: 15px;
    padding: var(--spacing-2xl);
    box-shadow: 0 4px 20px rgba(34, 197, 94, 0.08);
    border: 1px solid #e2e8f0;
}

.product__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 var(--spacing-lg) 0;
    line-height: 1.2;
}

/* Product Info */
.product__info {
    margin-bottom: var(--spacing-xl);
}

.product__info-item {
    display: flex;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.info__label {
    font-weight: 600;
    color: #64748b;
    min-width: 120px;
    margin-right: var(--spacing-sm);
}

.info__value {
    color: #1e293b;
    font-weight: 500;
}

.brand-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    background: rgba(34, 197, 94, 0.1);
}

.brand-link:hover {
    color: var(--secondary-color);
    background: rgba(34, 197, 94, 0.2);
    transform: translateY(-1px);
}

.brand-link i {
    font-size: 0.875rem;
}

/* Product Pricing */
.product__pricing {
    margin-bottom: var(--spacing-xl);
}

.price__container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.price__original {
    font-size: var(--font-size-lg);
    color: #999;
    text-decoration: line-through;
    font-weight: 500;
}

.price__current {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: #22c55e;
}

.discount__badge {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(34, 197, 94, 0.3);
}

/* Product Quantity */
.product__quantity {
    margin-bottom: var(--spacing-xl);
}

.quantity__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: #1e293b;
    margin-bottom: var(--spacing-sm);
}

.quantity__controls {
    display: flex;
    align-items: center;
    width: fit-content;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

.quantity__btn {
    background-color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: #1e293b;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
}

.quantity__btn:hover {
    background-color: #f0fdf4;
    color: #22c55e;
}

.quantity__input {
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #1e293b;
    width: 80px;
    min-width: 80px;
    background-color: var(--white);
}

.quantity__input:focus {
    outline: none;
    background-color: #F8F9FA;
}

/* Product Actions */
.product__actions {
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.btn--order {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn--order:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(34, 197, 94, 0.4);
}

.btn--cart {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    background-color: transparent;
    color: #22c55e;
    border: 2px solid #22c55e;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn--cart:hover {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn--cart svg {
    width: 16px;
    height: 16px;
}

.btn--cart-added {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%) !important;
    color: var(--white) !important;
    border-color: #22c55e !important;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3) !important;
}

.btn--cart-added:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%) !important;
    border-color: #16a34a !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(34, 197, 94, 0.4) !important;
}

/* Product Description */
.product__description {
    border-top: 1px solid #e2e8f0;
    padding-top: var(--spacing-lg);
}

.description__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 var(--spacing-md) 0;
}

.description__text {
    font-size: var(--font-size-sm);
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .product__layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .product__image-section,
    .product__details-section {
        position: static;
    }
    
    .product__main-image {
        height: 400px;
    }
    
    .product__details-card {
        padding: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .product-page {
        padding: var(--spacing-xl) 0;
    }
    
    .product__layout {
        gap: var(--spacing-xl);
    }
    
    .product__main-image {
        height: 300px;
    }
    
    .product__details-card {
        padding: var(--spacing-lg);
    }
    
    .product__title {
        font-size: var(--font-size-2xl);
    }
    
    .price__container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .product__actions {
        gap: var(--spacing-sm);
    }
    
    .quantity__input {
        width: 70px;
        min-width: 70px;
    }
    
    .btn--order,
    .btn--cart {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .product__main-image {
        height: 250px;
    }
    
    .product__details-card {
        padding: var(--spacing-md);
    }
    
    .product__title {
        font-size: var(--font-size-xl);
    }
    
    .info__label {
        min-width: 100px;
        font-size: var(--font-size-xs);
    }
    
    .info__value {
        font-size: var(--font-size-xs);
    }
    
    .price__current {
        font-size: var(--font-size-xl);
    }
    
    .price__original {
        font-size: var(--font-size-base);
    }
    
    .quantity__input {
        width: 60px;
        min-width: 60px;
    }
}

/* Error Message Styles */
.error__container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: var(--spacing-3xl) 0;
}

.error__content {
    text-align: center;
    max-width: 500px;
    padding: var(--spacing-3xl);
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.error__content svg {
    color: #ef4444;
    margin-bottom: var(--spacing-lg);
}

.error__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: #1f2937;
    margin-bottom: var(--spacing-md);
}

.error__message {
    font-size: var(--font-size-lg);
    color: #6b7280;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* Stock Badge Styles */
.stock__badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: var(--spacing-md);
}

.stock__badge--out {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.stock__badge--low {
    background-color: #fef3c7;
    color: #d97706;
    border: 1px solid #fed7aa;
}

/* Out of Stock Styles */
.product__out-of-stock {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: #f9fafb;
    border-radius: 12px;
    border: 2px dashed #d1d5db;
    margin: var(--spacing-lg) 0;
}

.out-of-stock__message {
    font-size: var(--font-size-lg);
    color: #6b7280;
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

/* Mobile Error Styles */
@media (max-width: 768px) {
    .error__content {
        padding: var(--spacing-xl);
        margin: 0 var(--spacing-md);
    }
    
    .error__title {
        font-size: var(--font-size-xl);
    }
    
    .error__message {
        font-size: var(--font-size-base);
    }
}

/* Shake Animation for Stock Alert */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}