:root {
  --brand: #2b4c7e;
  --brand-dark: #1b3253;
}
body { background: #f4f6f9; }
.app-navbar { background: var(--brand-dark); }
.app-navbar .nav-link { color: rgba(255,255,255,.8); }
.app-navbar .nav-link.active, .app-navbar .nav-link:hover { color: #fff; }
.stat-card { border: none; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.stat-num { font-size: 2rem; font-weight: 700; color: var(--brand); }
.stat-label { color: #6c757d; font-size: .9rem; }
.card { border: none; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.card-header { background: #fff; border-bottom: 1px solid #eef0f3; font-weight: 600; }
.log-view {
  background: #0d1117; color: #c9d1d9; padding: 12px; border-radius: 8px;
  max-height: 420px; overflow: auto; font-size: .8rem;
}
table code { background: #eef1f5; padding: 2px 6px; border-radius: 4px; }