body {
    background: #f5f7fb;
}

.summary-card {
    border: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.card {
    border: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.card-header {
    background: #fff;
    border-bottom: 1px solid #eee;
}

.table th {
    white-space: nowrap;
}

.table td {
    vertical-align: middle;
}

.income {
    color: #198754;
    font-weight: 600;
}

.expense {
    color: #dc3545;
    font-weight: 600;
}