body {
    background-color: #f5f7fb;
}

#sidebar a.nav-link {
    border-radius: 0.375rem;
    margin-bottom: 2px;
}

#sidebar a.nav-link:hover,
#sidebar a.nav-link.active {
    background-color: rgba(255, 255, 255, 0.12);
}

.card {
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.stat-card .display-6 {
    font-weight: 700;
}