body {
    background: #f1f3f6;
    font-family: Arial, sans-serif;
}

.erp-sidebar {
    width: 220px;
    min-height: 100vh;
    background: #1c1f26;
}

.erp-sidebar .nav-link {
    color: #ccc;
    cursor: pointer;
}

.erp-sidebar .nav-link:hover,
.erp-sidebar .active {
    background: #343a40;
    color: #fff;
}

.erp-content {
    flex: 1;
    background: #ffffff;
}

.stat-card {
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}