/* Force Radar Chart Background to Black */
#performance_radar_chart .apexcharts-plot-series polygon {
    fill: #000000 !important;
    fill-opacity: 1 !important;
}

#performance_radar_chart .apexcharts-polygons polygon {
    fill: #000000 !important;
    stroke: #ffffff !important;
    stroke-width: 1.5px !important;
    stroke-opacity: 1 !important;
    fill-opacity: 1 !important;
}

#performance_radar_chart .apexcharts-polygons line {
    stroke: #ffffff !important;
    stroke-width: 1.5px !important;
    stroke-opacity: 1 !important;
}

#performance_radar_chart .apexcharts-yaxis line {
    stroke: #ffffff !important;
    stroke-width: 1.5px !important;
    stroke-opacity: 1 !important;
}

#performance_radar_chart .apexcharts-xaxis line {
    stroke: #ffffff !important;
    stroke-width: 1.5px !important;
    stroke-opacity: 1 !important;
}

/* Make grid lines brighter and more visible */
#performance_radar_chart .apexcharts-radar-series polygon,
#performance_radar_chart .apexcharts-polygons polygon {
    filter: brightness(1.2) !important;
}