body {
    background-color: #f4f6f9;
}
.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    border-radius: 0.75rem;
}
.question-card {
    border-left: 4px solid #0d6efd;
}
#timer-badge {
    font-size: 1.1rem;
    position: sticky;
    top: 10px;
    z-index: 50;
}
.option-builder .card {
    background: #fbfbfd;
}
.pair-row .form-control, .pair-row .form-select {
    margin-bottom: 4px;
}
.type-badge-single { background:#0d6efd; }
.type-badge-multiple { background:#6f42c1; }
.type-badge-matching { background:#20c997; }