body { background:#f5f7fb; }
.sidebar { min-height: calc(100vh - 56px); background:#0f2747; }
.sidebar .nav-link { color:#d9e6f5; border-radius:.5rem; margin:.15rem .75rem; }
.sidebar .nav-link:hover { background:#173b6b; color:#fff; }
.card-kpi { border:0; border-left:5px solid #0d6efd; box-shadow:0 2px 10px rgba(0,0,0,.06); }
.table thead th { white-space:nowrap; }
.answer-grid input { text-transform:uppercase; text-align:center; }
.badge-soft { background:#e7f1ff; color:#0d6efd; }