body {
    padding-top: 56px;
}

.card {
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.card-header {
    font-weight: 600;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

.table-responsive {
    overflow-x: auto;
}

.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    white-space: nowrap;
}

.table td, .table th {
    vertical-align: middle;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

@media (max-width: 991.98px) {
    body {
        padding-top: 70px;
    }
}