.frequently-bought-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid rgba(59, 130, 246, 0.1);
    max-width: 600px;
    margin: 0 auto;
    transition: all 0.3s ease;
}
.frequently-bought-section:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.header-left {
    flex: 1;
}

.main-title {
    font-size: 22px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 4px;
}

.subtitle {
    font-size: 15px;
    color: #6b7280;
    font-weight: 400;
}

.optional-badge {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    color: #fff;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
}

.product-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid #e5e7eb;
    transition: all 0.2s ease;
    border-radius: 8px;
    margin: 0 -8px;
    padding-left: 8px;
    padding-right: 8px;
}

.product-item:hover {
    background: rgba(59, 130, 246, 0.05);
}

.product-item:last-child {
    border-bottom: none;
}

.checkbox-wrapper {
    position: relative;
}

.checkbox {
    width: 24px;
    height: 24px;
    border: 3px solid #d1d5db;
    border-radius: 6px;
    background: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.checkbox.checked {
    background: #3b82f6;
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.product-image {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.bottle-shape {
    width: 12px;
    height: 36px;
    background: linear-gradient(180deg, #ff6b35 0%, #ff4757 30%, #2f3542 70%, #2f3542 100%);
    border-radius: 6px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
}

.bottle-cap {
    width: 8px;
    height: 4px;
    background: #333;
    border-radius: 2px;
    position: absolute;
    top: 2px;
    left: 50%;
    transform: translateX(-50%);
}

.product-info {
    flex: 1;
}

.product-name {
    font-size: 16px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 2px;
}

.price-section {
    text-align: right;
    flex-shrink: 0;
}

.current-price {
    font-size: 18px;
    font-weight: 700;
    color: #059669;
    margin-bottom: 2px;
}

.original-price {
    font-size: 15px;
    color: #9ca3af;
    text-decoration: line-through;
}

/* Pepsi bottle for 1.5L - slightly different colors */
.product-item:nth-child(2) .bottle-shape {
    background: linear-gradient(180deg, #004b93 0%, #0066cc 30%, #333 70%, #333 100%);
}