body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;background:#f6f8fb;}
.sidebar{min-height:calc(100vh - 56px);}
@media (max-width: 991.98px){
  .sidebar{position:fixed;z-index:1040;left:-260px;top:56px;width:260px;transition:left .25s;}
  .sidebar.open{left:0;}
  main{padding-bottom:72px!important;}
}
.card-kpi{border:1px solid #eef2f6;border-radius:14px;background:#fff}
.kpi-value{font-size:32px;font-weight:800;line-height:1}
.sidebar .list-group-item{ color:#111; font-weight:600; }
.sidebar .list-group-item:hover{ background:#f7f9fc; }
.sidebar a{text-decoration:none;}