body {
    background-color: #f5f7fa;
}

.sidebar {
    min-height: 100vh;
    background: #1e293b;
}

.sidebar .nav-link {
    color: #94a3b8;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    margin-bottom: 0.25rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: #fff;
    background: #334155;
}

.sidebar .nav-link i {
    width: 1.25rem;
}