body { background-color: #fff5f5; }
.table th { background-color: #f8d7da; color: #721c24; }
.table td { background-color: #fff; }
.btn { background-color: #dc3545; color: white; }
.btn:hover { background-color: #c82333; }
h4 { color: #c82333; margin-top: 20px; }
td { font-size: 0.8em!important; }
footer { background-color: #dc3545; }
.sticky-header thead th {
    position: sticky; top: 0; background-color: #f8d7da; z-index: 2;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.table-responsive { overflow-x: auto; overflow-y: visible !important; }
#backToTop {
    width: 48px;
    height: 48px;
    font-size: 1.2em;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}