   padding: 1.5rem;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        text-align: center;
        transition: transform 0.3s ease;
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
    }
    
    .summary-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    }
    
    .summary-card.total { 