:root{
  --app-bg: #f6f8fb;
  --card-radius: 16px;
}
body{ background: var(--app-bg); }
.navbar-brand{ font-weight: 700; letter-spacing: .2px; }
.card{ border-radius: var(--card-radius); }
.table thead th{ white-space: nowrap; }
.badge{ font-weight: 600; }
.kpi{ font-size: 1.8rem; font-weight: 800; }
.kpi-sub{ color: #6c757d; }
.form-text{ color:#6c757d; }
.btn-icon{ display:inline-flex; align-items:center; gap:.35rem; }
.empty-state{ border:1px dashed rgba(0,0,0,.15); border-radius: var(--card-radius); padding: 2rem; background:#fff; }
.sidebar-link{ display:flex; align-items:center; gap:.5rem; padding:.5rem .75rem; border-radius: 12px; color:#212529; text-decoration:none;}
.sidebar-link:hover{ background: rgba(13,110,253,.08); }
.sidebar-link.active{ background: rgba(13,110,253,.12); color:#0d6efd; font-weight:700;}
.small-muted{ color:#6c757d; font-size:.9rem; }
.table td{ vertical-align: middle; }