// Selected set of PF chart colors to optimize for full-spectrum and colorblindness
// using unique part of PF name and a hex color fallback
$plotColors: (
  blue-300   #06c,
  green-100  #bde2b9,
  cyan-200   #73c5c5,
  purple-100 #b2b0ea,
  gold-300   #f4c145,
  orange-300 #ec7a08,
  red-200    #a30000,
  cyan-300   #009596,
  black-500  #4d5258
);

.ct-plot {
  font-family: var(--pf-chart-global--FontFamily);

  &-border {
    stroke: var(--pf-chart-global--Fill--Color--300);
    fill: transparent;
    shape-rendering: crispedges;
  }

  &-title {
    font-size: calc(var(--pf-chart-global--FontSize--md) * 1px);
  }

  // Placeholder string to stretch the column, set offscreen
  &-widest {
    fill: transparent;
  }

  &-axis,
  &-unit {
    font-size: calc(var(--pf-chart-global--FontSize--xs) * 1px);
    fill: var(--pf-chart-global--Fill--Color--700);
    letter-spacing: var(--pf-chart-global--letter-spacing);
  }

  .pf-theme-dark &-axis,
  .pf-theme-dark &-unit {
    fill: var(--pf-chart-global--Fill--Color--400);
  }

  &-lines,
  &-ticks {
    stroke: var(--pf-chart-global--Fill--Color--300);
    shape-rendering: crispedges;
  }

  &-selection {
    fill: tan;
    stroke: black;
    opacity: 0.5;
    shape-rendering: crispedges;
  }

  &-paths {
    stroke-width: var(--pf-chart-global--stroke--Width--sm);
    shape-rendering: geometricprecision;

    > path {
      fill: var(--ct-plot-path-color);
      stroke: var(--ct-plot-path-color);
    }
  }
}

.ct-plot-title {
  fill: var(--pf-global--Color--100);
}

$plotColorCurrent: 0;
$plotColorTotal: 0;

// Count up total number of plot colors
@each $plotColor in $plotColors { $plotColorTotal: $plotColorTotal + 1; }

// Iterate through colors and set each graph area to a color
@each $plotColor, $plotColorBackup in $plotColors {
  $plotColorCurrent: $plotColorCurrent + 1;
  .ct-plot-paths > path:nth-last-child(#{$plotColorTotal}n + #{$plotColorCurrent}) {
    --ct-plot-path-color: var(--pf-chart-color-#{$plotColor}, #{$plotColorBackup});
  }
}

// Make plot colors available to the entire page
:root {
  --ct-plot-color-total: #{$plotColorTotal};

  @for $i from 1 through $plotColorTotal {
    --ct-plot-color-#{i}: #{$plotColors[$i]};
  }
}
