body {
    background-color: #f7f7fb;
}
.navbar-brand {
    font-weight: 600;
}
.card {
    border: none;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.table-attendance td {
    vertical-align: middle;
}
.btn-attendance {
    min-width: 90px;
}
@media print {
    nav, footer, .no-print { display: none !important; }
}