body {
    background-color: #f5f6f8;
}
.navbar-brand {
    font-weight: 600;
}
.stat-card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.stat-card .stat-value {
    font-size: 1.9rem;
    font-weight: 700;
}
.table-balance-positive {
    color: #b02a37;
    font-weight: 600;
}
.card {
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.chart-container {
    position: relative;
    height: 260px;
}
.chart-container-tall {
    height: 320px;
}