:root {
    --chart-grid-color: rgba(0, 0, 0, 0.5);
    --chart-tick-color: rgba(0, 0, 0, 0.9);
    --chart-point-label-color: rgba(0, 0, 0, 0.9);
    --chart-bg-color: rgba(139, 92, 246, 0.2);
    --chart-border-color: rgba(139, 92, 246, 1);
}

.dark {
    --chart-grid-color: rgba(255, 255, 255, 0.3);
    --chart-tick-color: rgba(255, 255, 255, 0.9);
    --chart-point-label-color: rgba(255, 255, 255, 0.9);
}