body {
    background-color: #f8f9fa;
}

.tab-content {
    padding-top: 20px;
}

.card {
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

#networkGraph {
    background-color: #ffffff;
}

table.table thead th {
    background-color: #f5f5f5;
}

.btn-sm {
    margin-right: 5px;
}
/* Graph Styling */
#networkGraph {
    background-color: #fafafa;
    border-radius: 4px;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.1);
}

.custom-range {
    width: 100%;
}

/* Tooltip styling */
.vis-tooltip {
    position: absolute;
    background-color: #ffffff;
    padding: 8px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    font-family: Tahoma, Arial, sans-serif;
    font-size: 12px;
    color: #333;
    max-width: 250px;
    z-index: 9999;
    border: 1px solid #eee;
}