.cart-upsell-section {
    margin: 30px 0;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
}

.cart-upsell-title {
    font-size: 24px;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cart-upsell-subtitle {
    color: #666;
    font-size: 14px;
    margin-bottom: 25px;
}

.cart-upsell-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.upsell-product {
    background: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.upsell-product:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.upsell-product img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 12px;
}

.upsell-product-name {
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    margin: 10px 0;
    min-height: 40px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.upsell-product-price {
    font-size: 18px;
    font-weight: 800;
    color: #2fb5d2;
    margin: 10px 0;
}

.upsell-add-btn {
    width: 100%;
    background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.upsell-add-btn:hover {
    background: linear-gradient(135deg, #388e3c 0%, #4caf50 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

.upsell-add-btn.added {
    background: linear-gradient(135deg, #2fb5d2 0%, #1a9ab8 100%);
    pointer-events: none;
}

.upsell-add-btn.added::before {
    content: '✓ ';
}

.upsell-free-shipping-badge {
    display: inline-block;
    background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    margin: 5px 0;
}

@media (max-width: 768px) {
    .cart-upsell-section {
        padding: 20px 15px;
    }

    .cart-upsell-title {
        font-size: 20px;
    }

    .cart-upsell-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .upsell-product img {
        height: 140px;
    }
}

@media (max-width: 480px) {
    .cart-upsell-grid {
        grid-template-columns: 1fr;
    }
}