body {
    background-color: #f5f7fa;
}
.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: box-shadow 0.2s;
}
.card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.table-danger td {
    background-color: #fff5f5;
}
.table-warning td {
    background-color: #fffef5;
}
.table-info td {
    background-color: #f5f8ff;
}
code {
    font-size: 0.85em;
}
.navbar-brand {
    font-weight: 700;
}
.badge {
    font-size: 0.8em;
}
.table th {
    white-space: nowrap;
}
@media (max-width: 768px) {
    .table {
        font-size: 0.85em;
    }
}