/* Breadcrumb */
.breadcrumb {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--color-primary);
    transition: var(--transition);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Product Detail */
.product-detail {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.product-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

/* Product Image */
.product-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 43, 255, 0.1));
    border-radius: var(--radius-lg);
    min-height: 400px;
}

.product-icon {
    font-size: 6rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Product Info */
.product-info h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.product-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.product-category {
    background-color: rgba(123, 43, 255, 0.2);
    color: var(--color-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.85rem;
}

.product-rating {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Price Section */
.price-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: rgba(0, 212, 255, 0.05);
    border-radius: var(--radius-lg);
}

.price-display {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.currency {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.stock-status {
    background-color: var(--color-success);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
}

.stock-status.low {
    background-color: var(--color-warning);
}

.stock-status.sold-out {
    background-color: var(--color-danger);
}

/* Purchase Form */
.purchase-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Quantity Selector */
.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    width: fit-content;
}

.qty-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-btn:hover {
    background-color: var(--border-color);
    color: var(--color-primary);
}

.qty-input {
    border: none;
    background: transparent;
    width: 60px;
    text-align: center;
    font-size: 1rem;
    color: var(--text-primary);
}

.qty-input:focus {
    outline: none;
}

/* Payment Methods */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.payment-option:hover {
    border-color: var(--color-primary);
}

.payment-option input[type="radio"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.payment-option input[type="radio"]:checked + span {
    color: var(--color-primary);
}

/* Checkout Button */
.checkout-btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: none;
    color: var(--bg-primary);
    padding: 1rem;
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 212, 255, 0.3);
}

.checkout-btn:active {
    transform: translateY(0);
}

/* Notes Section */
.notes-section {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 2rem;
}

.notes-section h3 {
    color: var(--color-success);
    margin-bottom: 1rem;
}

.notes-section ul {
    list-style: none;
}

.notes-section li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    gap: 0.5rem;
}

.notes-section li::before {
    content: "✓";
    color: var(--color-success);
    font-weight: bold;
}

/* Related Products */
.related-products {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.related-products h2 {
    margin-bottom: 2rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .product-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
    }

    .product-icon {
        font-size: 4rem;
    }

    .product-info h1 {
        font-size: 1.8rem;
    }

    .price {
        font-size: 2rem;
    }

    .price-section {
        flex-direction: column;
        align-items: flex-start;
    }

    .payment-methods {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .product-detail {
        padding: 1rem;
    }

    .product-container {
        padding: 1rem;
        border-radius: var(--radius-md);
    }

    .product-image {
        min-height: 250px;
    }

    .product-icon {
        font-size: 3rem;
    }

    .product-info h1 {
        font-size: 1.5rem;
    }

    .breadcrumb {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
}