# `PhiaUi.Components.DumbbellChart`
[🔗](https://github.com/charlenopires/PhiaUI/blob/v0.1.17/lib/phia_ui/components/data/dumbbell_chart.ex#L1)

Dumbbell chart — pure SVG, zero JS.

Shows before/after comparison with two dots connected by a bar.
Horizontal orientation: categories on Y-axis, values on X-axis.

## Examples

    <.dumbbell_chart data={[
      %{label: "2023", start_value: 65, end_value: 85},
      %{label: "2024", start_value: 70, end_value: 92}
    ]} />

# `dumbbell_chart`

## Attributes

* `data` (`:list`) - Data: `[%{label, start_value, end_value}]`. Defaults to `[]`.
* `start_color` (`:string`) - Fill color for start dots. Defaults to `"oklch(0.65 0.20 300)"`.
* `end_color` (`:string`) - Fill color for end dots. Defaults to `"oklch(0.60 0.20 240)"`.
* `bar_color` (`:string`) - Stroke color for connecting bar. Defaults to `"oklch(0.75 0.05 0)"`.
* `dot_radius` (`:integer`) - Radius of dot endpoints in pixels. Defaults to `5`.
* `show_grid` (`:boolean`) - Show X-axis grid lines. Defaults to `true`.
* `show_labels` (`:boolean`) - Show axis tick labels. Defaults to `true`.
* `animate` (`:boolean`) - Enable entrance animations. Defaults to `true`.
* `animation_duration` (`:integer`) - Animation duration in ms. Defaults to `600`.
* `theme` (`:map`) - Chart theme overrides (see ChartTheme). Defaults to `%{}`.
* `id` (`:string`) - Unique ID for the chart (auto-generated if not provided). Defaults to `nil`.
* `title` (`:string`) - Chart title rendered above the visualization. Defaults to `nil`.
* `description` (`:string`) - Chart description for context (rendered below title). Defaults to `nil`.
* `class` (`:string`) - Defaults to `nil`.
* Global attributes are accepted.

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*Consult [api-reference.md](api-reference.md) for complete listing*