.status-badge {
    font-size: 0.9em;
    padding: 0.5em 0.75em;
}

.history-item {
    border-left: 3px solid #0d6efd;
    padding-left: 1rem;
    margin-bottom: 1rem;
}

.qr-code {
    max-width: 200px;
    height: auto;
}

.table-responsive {
    max-height: 70vh;
    overflow-y: auto;
}