body { background: #f4f6f9; }
.navbar-brand { font-weight: 600; }
.card { border: none; box-shadow: 0 1px 3px rgba(0,0,0,.08); border-radius: 10px; }
.table thead { background: #eef1f5; }
.nav-tabs .nav-link.active { font-weight: 600; }