:root{
  --app-bg:#f6f7fb;
}
body{
  background:var(--app-bg);
}
.card{
  border:0;
  box-shadow:0 8px 24px rgba(16,24,40,0.08);
  border-radius:16px;
}
.btn{
  border-radius:12px;
}
.sidebar{
  width:260px;
}
.sidebar .nav-link{
  border-radius:12px;
  padding:10px 12px;
}
.sidebar .nav-link.active{
  background:#0d6efd;
  color:#fff;
}
.topbar{
  box-shadow:0 6px 18px rgba(16,24,40,0.08);
}
.table thead th{
  white-space:nowrap;
}
.badge-soft{
  background:rgba(13,110,253,0.10);
  color:#0d6efd;
}
.rate-row{
  cursor:pointer;
}
.rate-row.selected{
  outline:2px solid rgba(13,110,253,0.35);
  border-radius:12px;
}
.small-muted{
  color:#6c757d;
  font-size:0.9rem;
}