@manufosela/radar-chart

@manufosela/radar-chart

SVG-based radar/spider chart web component

Radar Chart

SVG radar chart for multi-axis data visualization.

Basic Usage

Fully declarative format: each value is its own element with label attribute.

80 65 90 45 70
<radar-chart> <chart-series name="Player" color="#3b82f6"> <chart-value label="Speed">80</chart-value> <chart-value label="Power">65</chart-value> <chart-value label="Defense">90</chart-value> <chart-value label="Magic">45</chart-value> <chart-value label="Luck">70</chart-value> </chart-series> </radar-chart>

Multiple Series

Compare multiple data sets on the same chart. Labels are shared across series.

90 85 80 75 70 65 70 90 85 80 60 75
Click a data point to see details
<radar-chart> <chart-series name="Alice" color="#3b82f6"> <chart-value label="HTML">90</chart-value> <chart-value label="CSS">85</chart-value> <chart-value label="JavaScript">80</chart-value> <chart-value label="React">75</chart-value> <chart-value label="Node.js">70</chart-value> <chart-value label="SQL">65</chart-value> </chart-series> <chart-series name="Bob" color="#22c55e"> <chart-value label="HTML">70</chart-value> <chart-value label="CSS">90</chart-value> <chart-value label="JavaScript">85</chart-value> <chart-value label="React">80</chart-value> <chart-value label="Node.js">60</chart-value> <chart-value label="SQL">75</chart-value> </chart-series> </radar-chart>

Custom Styling

Customize colors, opacity, and visibility options.

85 70 95 60 80 60 90 75 85 70
<radar-chart fill-opacity="0.4"> <chart-series name="Team A" color="#8b5cf6"> <chart-value label="Strategy">85</chart-value> <chart-value label="Teamwork">70</chart-value> <chart-value label="Execution">95</chart-value> <chart-value label="Creativity">60</chart-value> <chart-value label="Communication">80</chart-value> </chart-series> <chart-series name="Team B" color="#ec4899"> <chart-value label="Strategy">60</chart-value> <chart-value label="Teamwork">90</chart-value> <chart-value label="Execution">75</chart-value> <chart-value label="Creativity">85</chart-value> <chart-value label="Communication">70</chart-value> </chart-series> </radar-chart>

No Dots / No Legend

Minimal chart without dots and legend.

75 80 65 90 70
<radar-chart id="minimal"> <chart-series color="#64748b"> <chart-value label="A">75</chart-value> <chart-value label="B">80</chart-value> <chart-value label="C">65</chart-value> <chart-value label="D">90</chart-value> <chart-value label="E">70</chart-value> </chart-series> </radar-chart> <script> minimal.showDots = false; minimal.showLegend = false; </script>

Different Sizes

Charts can be rendered at various sizes.

70 85 60 90 80 65 90 75 85
<radar-chart size="200"> <chart-series color="#14b8a6"> <chart-value label="A">70</chart-value> <chart-value label="B">85</chart-value> <chart-value label="C">60</chart-value> <chart-value label="D">90</chart-value> </chart-series> </radar-chart> <radar-chart size="300"> <chart-series color="#f97316"> <chart-value label="A">80</chart-value> <chart-value label="B">65</chart-value> <chart-value label="C">90</chart-value> <chart-value label="D">75</chart-value> <chart-value label="E">85</chart-value> </chart-series> </radar-chart>

Custom Grid Levels

Control the number of grid rings.

60 80 70 90 65 85 75 95
<radar-chart levels="3"> <chart-series color="#3b82f6"> <chart-value label="X">60</chart-value> <chart-value label="Y">80</chart-value> <chart-value label="Z">70</chart-value> <chart-value label="W">90</chart-value> </chart-series> </radar-chart> <radar-chart levels="10"> <chart-series color="#22c55e"> <chart-value label="X">65</chart-value> <chart-value label="Y">85</chart-value> <chart-value label="Z">75</chart-value> <chart-value label="W">95</chart-value> </chart-series> </radar-chart>

Three-Axis Chart

Works with any number of axes (minimum 3). Great for RPG character stats.

90 80 50 70 40 70 60 30 95
<radar-chart> <chart-series name="Warrior" color="#ef4444"> <chart-value label="Attack">90</chart-value> <chart-value label="Defense">80</chart-value> <chart-value label="Speed">50</chart-value> </chart-series> <chart-series name="Mage" color="#8b5cf6"> <chart-value label="Attack">70</chart-value> <chart-value label="Defense">40</chart-value> <chart-value label="Speed">70</chart-value> </chart-series> <chart-series name="Rogue" color="#22c55e"> <chart-value label="Attack">60</chart-value> <chart-value label="Defense">30</chart-value> <chart-value label="Speed">95</chart-value> </chart-series> </radar-chart>

Product Comparison

Compare products across multiple dimensions.

85 90 75 80 95 88 70 75 95 90 60 70 95 65 80 70 80 75
<radar-chart size="350"> <chart-series name="Product A" color="#3b82f6"> <chart-value label="Price">85</chart-value> <chart-value label="Quality">90</chart-value> <chart-value label="Design">75</chart-value> <chart-value label="Features">80</chart-value> <chart-value label="Support">95</chart-value> <chart-value label="Performance">88</chart-value> </chart-series> <chart-series name="Product B" color="#f59e0b"> <chart-value label="Price">70</chart-value> <chart-value label="Quality">75</chart-value> <chart-value label="Design">95</chart-value> <chart-value label="Features">90</chart-value> <chart-value label="Support">60</chart-value> <chart-value label="Performance">70</chart-value> </chart-series> <chart-series name="Product C" color="#22c55e"> <chart-value label="Price">95</chart-value> <chart-value label="Quality">65</chart-value> <chart-value label="Design">80</chart-value> <chart-value label="Features">70</chart-value> <chart-value label="Support">80</chart-value> <chart-value label="Performance">75</chart-value> </chart-series> </radar-chart>
Demo code (CodePen-ready HTML, CSS, JS)
HTML (html)
<h1>Radar Chart</h1>
<p class="subtitle">SVG radar chart for multi-axis data visualization.</p>
<div class="demo-links">
  <a href="https://manufosela.dev/ui-components/">← Back to components</a>
  <a href="https://github.com/manufosela/ui-components/tree/main/packages/radar-chart" target="_blank" rel="noopener">GitHub Repo</a>
  <a href="playground.html">Playground</a>
  <a href="https://www.npmjs.com/package/@manufosela/radar-chart" target="_blank" rel="noopener">npm</a>
</div>
<div class="demo-theme-toggle">
  <theme-toggle theme="dark"></theme-toggle>
</div>
<div class="demo-section">
    <h2>Basic Usage</h2>
    <p>Fully declarative format: each value is its own element with label attribute.</p>
    <div class="chart-row">
      <radar-chart>
        <chart-series name="Player" color="#3b82f6">
          <chart-value label="Speed">80</chart-value>
          <chart-value label="Power">65</chart-value>
          <chart-value label="Defense">90</chart-value>
          <chart-value label="Magic">45</chart-value>
          <chart-value label="Luck">70</chart-value>
        </chart-series>
      </radar-chart>
    </div>
    <div class="code-block">&lt;radar-chart&gt;
  &lt;chart-series name="Player" color="#3b82f6"&gt;
    &lt;chart-value label="Speed"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="Power"&gt;65&lt;/chart-value&gt;
    &lt;chart-value label="Defense"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="Magic"&gt;45&lt;/chart-value&gt;
    &lt;chart-value label="Luck"&gt;70&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;</div>
      
  </div>

  <div class="demo-section">
    <h2>Multiple Series</h2>
    <p>Compare multiple data sets on the same chart. Labels are shared across series.</p>
    <div class="chart-row">
      <radar-chart id="multi">
        <chart-series name="Alice" color="#3b82f6">
          <chart-value label="HTML">90</chart-value>
          <chart-value label="CSS">85</chart-value>
          <chart-value label="JavaScript">80</chart-value>
          <chart-value label="React">75</chart-value>
          <chart-value label="Node.js">70</chart-value>
          <chart-value label="SQL">65</chart-value>
        </chart-series>
        <chart-series name="Bob" color="#22c55e">
          <chart-value label="HTML">70</chart-value>
          <chart-value label="CSS">90</chart-value>
          <chart-value label="JavaScript">85</chart-value>
          <chart-value label="React">80</chart-value>
          <chart-value label="Node.js">60</chart-value>
          <chart-value label="SQL">75</chart-value>
        </chart-series>
      </radar-chart>
    </div>
    <div class="output" id="multiOutput">Click a data point to see details</div>
    <div class="code-block">&lt;radar-chart&gt;
  &lt;chart-series name="Alice" color="#3b82f6"&gt;
    &lt;chart-value label="HTML"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="CSS"&gt;85&lt;/chart-value&gt;
    &lt;chart-value label="JavaScript"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="React"&gt;75&lt;/chart-value&gt;
    &lt;chart-value label="Node.js"&gt;70&lt;/chart-value&gt;
    &lt;chart-value label="SQL"&gt;65&lt;/chart-value&gt;
  &lt;/chart-series&gt;
  &lt;chart-series name="Bob" color="#22c55e"&gt;
    &lt;chart-value label="HTML"&gt;70&lt;/chart-value&gt;
    &lt;chart-value label="CSS"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="JavaScript"&gt;85&lt;/chart-value&gt;
    &lt;chart-value label="React"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="Node.js"&gt;60&lt;/chart-value&gt;
    &lt;chart-value label="SQL"&gt;75&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;</div>
  </div>

  <div class="demo-section">
    <h2>Custom Styling</h2>
    <p>Customize colors, opacity, and visibility options.</p>
    <div class="chart-row">
      <radar-chart fill-opacity="0.4">
        <chart-series name="Team A" color="#8b5cf6">
          <chart-value label="Strategy">85</chart-value>
          <chart-value label="Teamwork">70</chart-value>
          <chart-value label="Execution">95</chart-value>
          <chart-value label="Creativity">60</chart-value>
          <chart-value label="Communication">80</chart-value>
        </chart-series>
        <chart-series name="Team B" color="#ec4899">
          <chart-value label="Strategy">60</chart-value>
          <chart-value label="Teamwork">90</chart-value>
          <chart-value label="Execution">75</chart-value>
          <chart-value label="Creativity">85</chart-value>
          <chart-value label="Communication">70</chart-value>
        </chart-series>
      </radar-chart>
    </div>
    <div class="code-block">&lt;radar-chart fill-opacity="0.4"&gt;
  &lt;chart-series name="Team A" color="#8b5cf6"&gt;
    &lt;chart-value label="Strategy"&gt;85&lt;/chart-value&gt;
    &lt;chart-value label="Teamwork"&gt;70&lt;/chart-value&gt;
    &lt;chart-value label="Execution"&gt;95&lt;/chart-value&gt;
    &lt;chart-value label="Creativity"&gt;60&lt;/chart-value&gt;
    &lt;chart-value label="Communication"&gt;80&lt;/chart-value&gt;
  &lt;/chart-series&gt;
  &lt;chart-series name="Team B" color="#ec4899"&gt;
    &lt;chart-value label="Strategy"&gt;60&lt;/chart-value&gt;
    &lt;chart-value label="Teamwork"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="Execution"&gt;75&lt;/chart-value&gt;
    &lt;chart-value label="Creativity"&gt;85&lt;/chart-value&gt;
    &lt;chart-value label="Communication"&gt;70&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;</div>
  </div>

  <div class="demo-section">
    <h2>No Dots / No Legend</h2>
    <p>Minimal chart without dots and legend.</p>
    <div class="chart-row">
      <radar-chart id="minimal">
        <chart-series color="#64748b">
          <chart-value label="A">75</chart-value>
          <chart-value label="B">80</chart-value>
          <chart-value label="C">65</chart-value>
          <chart-value label="D">90</chart-value>
          <chart-value label="E">70</chart-value>
        </chart-series>
      </radar-chart>
    </div>
    <div class="code-block">&lt;radar-chart id="minimal"&gt;
  &lt;chart-series color="#64748b"&gt;
    &lt;chart-value label="A"&gt;75&lt;/chart-value&gt;
    &lt;chart-value label="B"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="C"&gt;65&lt;/chart-value&gt;
    &lt;chart-value label="D"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="E"&gt;70&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;

&lt;script&gt;
  minimal.showDots = false;
  minimal.showLegend = false;
&lt;/script&gt;</div>
  </div>

  <div class="demo-section">
    <h2>Different Sizes</h2>
    <p>Charts can be rendered at various sizes.</p>
    <div class="chart-row">
      <radar-chart size="200">
        <chart-series color="#14b8a6">
          <chart-value label="A">70</chart-value>
          <chart-value label="B">85</chart-value>
          <chart-value label="C">60</chart-value>
          <chart-value label="D">90</chart-value>
        </chart-series>
      </radar-chart>
      <radar-chart size="300">
        <chart-series color="#f97316">
          <chart-value label="A">80</chart-value>
          <chart-value label="B">65</chart-value>
          <chart-value label="C">90</chart-value>
          <chart-value label="D">75</chart-value>
          <chart-value label="E">85</chart-value>
        </chart-series>
      </radar-chart>
    </div>
    <div class="code-block">&lt;radar-chart size="200"&gt;
  &lt;chart-series color="#14b8a6"&gt;
    &lt;chart-value label="A"&gt;70&lt;/chart-value&gt;
    &lt;chart-value label="B"&gt;85&lt;/chart-value&gt;
    &lt;chart-value label="C"&gt;60&lt;/chart-value&gt;
    &lt;chart-value label="D"&gt;90&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;

&lt;radar-chart size="300"&gt;
  &lt;chart-series color="#f97316"&gt;
    &lt;chart-value label="A"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="B"&gt;65&lt;/chart-value&gt;
    &lt;chart-value label="C"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="D"&gt;75&lt;/chart-value&gt;
    &lt;chart-value label="E"&gt;85&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;</div>
  </div>

  <div class="demo-section">
    <h2>Custom Grid Levels</h2>
    <p>Control the number of grid rings.</p>
    <div class="chart-row">
      <radar-chart levels="3">
        <chart-series color="#3b82f6">
          <chart-value label="X">60</chart-value>
          <chart-value label="Y">80</chart-value>
          <chart-value label="Z">70</chart-value>
          <chart-value label="W">90</chart-value>
        </chart-series>
      </radar-chart>
      <radar-chart levels="10">
        <chart-series color="#22c55e">
          <chart-value label="X">65</chart-value>
          <chart-value label="Y">85</chart-value>
          <chart-value label="Z">75</chart-value>
          <chart-value label="W">95</chart-value>
        </chart-series>
      </radar-chart>
    </div>
    <div class="code-block">&lt;radar-chart levels="3"&gt;
  &lt;chart-series color="#3b82f6"&gt;
    &lt;chart-value label="X"&gt;60&lt;/chart-value&gt;
    &lt;chart-value label="Y"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="Z"&gt;70&lt;/chart-value&gt;
    &lt;chart-value label="W"&gt;90&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;

&lt;radar-chart levels="10"&gt;
  &lt;chart-series color="#22c55e"&gt;
    &lt;chart-value label="X"&gt;65&lt;/chart-value&gt;
    &lt;chart-value label="Y"&gt;85&lt;/chart-value&gt;
    &lt;chart-value label="Z"&gt;75&lt;/chart-value&gt;
    &lt;chart-value label="W"&gt;95&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;</div>
  </div>

  <div class="demo-section">
    <h2>Three-Axis Chart</h2>
    <p>Works with any number of axes (minimum 3). Great for RPG character stats.</p>
    <div class="chart-row">
      <radar-chart>
        <chart-series name="Warrior" color="#ef4444">
          <chart-value label="Attack">90</chart-value>
          <chart-value label="Defense">80</chart-value>
          <chart-value label="Speed">50</chart-value>
        </chart-series>
        <chart-series name="Mage" color="#8b5cf6">
          <chart-value label="Attack">70</chart-value>
          <chart-value label="Defense">40</chart-value>
          <chart-value label="Speed">70</chart-value>
        </chart-series>
        <chart-series name="Rogue" color="#22c55e">
          <chart-value label="Attack">60</chart-value>
          <chart-value label="Defense">30</chart-value>
          <chart-value label="Speed">95</chart-value>
        </chart-series>
      </radar-chart>
    </div>
    <div class="code-block">&lt;radar-chart&gt;
  &lt;chart-series name="Warrior" color="#ef4444"&gt;
    &lt;chart-value label="Attack"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="Defense"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="Speed"&gt;50&lt;/chart-value&gt;
  &lt;/chart-series&gt;
  &lt;chart-series name="Mage" color="#8b5cf6"&gt;
    &lt;chart-value label="Attack"&gt;70&lt;/chart-value&gt;
    &lt;chart-value label="Defense"&gt;40&lt;/chart-value&gt;
    &lt;chart-value label="Speed"&gt;70&lt;/chart-value&gt;
  &lt;/chart-series&gt;
  &lt;chart-series name="Rogue" color="#22c55e"&gt;
    &lt;chart-value label="Attack"&gt;60&lt;/chart-value&gt;
    &lt;chart-value label="Defense"&gt;30&lt;/chart-value&gt;
    &lt;chart-value label="Speed"&gt;95&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;</div>
  </div>

  <div class="demo-section">
    <h2>Product Comparison</h2>
    <p>Compare products across multiple dimensions.</p>
    <div class="chart-row">
      <radar-chart size="350">
        <chart-series name="Product A" color="#3b82f6">
          <chart-value label="Price">85</chart-value>
          <chart-value label="Quality">90</chart-value>
          <chart-value label="Design">75</chart-value>
          <chart-value label="Features">80</chart-value>
          <chart-value label="Support">95</chart-value>
          <chart-value label="Performance">88</chart-value>
        </chart-series>
        <chart-series name="Product B" color="#f59e0b">
          <chart-value label="Price">70</chart-value>
          <chart-value label="Quality">75</chart-value>
          <chart-value label="Design">95</chart-value>
          <chart-value label="Features">90</chart-value>
          <chart-value label="Support">60</chart-value>
          <chart-value label="Performance">70</chart-value>
        </chart-series>
        <chart-series name="Product C" color="#22c55e">
          <chart-value label="Price">95</chart-value>
          <chart-value label="Quality">65</chart-value>
          <chart-value label="Design">80</chart-value>
          <chart-value label="Features">70</chart-value>
          <chart-value label="Support">80</chart-value>
          <chart-value label="Performance">75</chart-value>
        </chart-series>
      </radar-chart>
    </div>
    <div class="code-block">&lt;radar-chart size="350"&gt;
  &lt;chart-series name="Product A" color="#3b82f6"&gt;
    &lt;chart-value label="Price"&gt;85&lt;/chart-value&gt;
    &lt;chart-value label="Quality"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="Design"&gt;75&lt;/chart-value&gt;
    &lt;chart-value label="Features"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="Support"&gt;95&lt;/chart-value&gt;
    &lt;chart-value label="Performance"&gt;88&lt;/chart-value&gt;
  &lt;/chart-series&gt;
  &lt;chart-series name="Product B" color="#f59e0b"&gt;
    &lt;chart-value label="Price"&gt;70&lt;/chart-value&gt;
    &lt;chart-value label="Quality"&gt;75&lt;/chart-value&gt;
    &lt;chart-value label="Design"&gt;95&lt;/chart-value&gt;
    &lt;chart-value label="Features"&gt;90&lt;/chart-value&gt;
    &lt;chart-value label="Support"&gt;60&lt;/chart-value&gt;
    &lt;chart-value label="Performance"&gt;70&lt;/chart-value&gt;
  &lt;/chart-series&gt;
  &lt;chart-series name="Product C" color="#22c55e"&gt;
    &lt;chart-value label="Price"&gt;95&lt;/chart-value&gt;
    &lt;chart-value label="Quality"&gt;65&lt;/chart-value&gt;
    &lt;chart-value label="Design"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="Features"&gt;70&lt;/chart-value&gt;
    &lt;chart-value label="Support"&gt;80&lt;/chart-value&gt;
    &lt;chart-value label="Performance"&gt;75&lt;/chart-value&gt;
  &lt;/chart-series&gt;
&lt;/radar-chart&gt;</div>
  </div>
CSS (css)
:root {
  --bg: #0c0f14;
  --bg-elevated: #141923;
  --bg-panel: #171d28;
  --border: #262f3f;
  --text: #f4f6fb;
  --text-muted: #a7b0c2;
  --text-dim: #7d879b;
  --accent: #ff8a3d;
  --accent-strong: #ff6a00;
  --accent-soft: rgba(255, 138, 61, 0.16);
  --shadow: 0 20px 50px rgba(5, 8, 14, 0.45);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1160px;
}

h1 { color: #1d1d1f; }
    .demo-section {
      background: white;
      padding: 2rem;
      border-radius: 12px;
      margin-bottom: 2rem;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    h2 { margin-top: 0; color: #1d1d1f; }
    p { color: #86868b; line-height: 1.6; }
    a { color: #3b82f6; }
    .code-block {
      background: #1d1d1f;
      color: #f5f5f7;
      padding: 1rem;
      border-radius: 8px;
      font-family: monospace;
      font-size: 0.8rem;
      margin-top: 1rem;
      overflow: auto;
      max-height: 300px;
      white-space: pre;
    }
    .output {
      margin-top: 1rem;
      padding: 1rem;
      background: #f5f5f7;
      border-radius: 8px;
      font-family: monospace;
    }
    .chart-row {
      display: flex;
      gap: 2rem;
      flex-wrap: wrap;
      justify-content: center;
    }
    chart-label, chart-series, chart-value {
      display: none;
    }
  
    footer {
      text-align: center;
      margin-top: 3rem;
      padding-top: 2rem;
      border-top: 1px solid #d2d2d7;
      color: #86868b;
      font-size: 0.9rem;
    }
    footer a { color: #1d1d1f; text-decoration: none; }
    footer a:hover { text-decoration: underline; }
  


@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&display=swap');

:root {
  --bg: #f5f5f7;
  --bg-2: #ffffff;
  --bg-spot-1: #f8e9d0;
  --bg-spot-2: #e8eef8;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #ffb000;
  --accent-2: #00a7d6;
  --accent-soft: rgba(255, 176, 0, 0.18);
  --surface-1: #f3f4f6;
  --surface-2: #eef2f7;
  --code-bg: #111827;
  --code-text: #f9fafb;
  --panel-bg: rgba(255, 255, 255, 0.85);
  --overlay-bg: rgba(255, 255, 255, 0.98);
}

:root.dark {
  --bg: #0f1117;
  --bg-2: #151a26;
  --bg-spot-1: #1a2136;
  --bg-spot-2: #1d1b34;
  --card: #1c2233;
  --text: #f3f6ff;
  --muted: #b8c0d9;
  --line: #2b3247;
  --accent: #ffb000;
  --accent-2: #00d0ff;
  --accent-soft: rgba(255, 176, 0, 0.25);
  --surface-1: #0b0f1a;
  --surface-2: #263046;
  --code-bg: #0b0f1a;
  --code-text: #d6d9e6;
  --panel-bg: rgba(28, 34, 51, 0.8);
  --overlay-bg: rgba(15, 17, 23, 0.98);
}

* {
  box-sizing: border-box;
}

a {
  color: var(--accent);
}

h1 {
  color: var(--accent);
}

.demo-links {
  margin-top: 12px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.demo-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.demo-links a:hover {
  color: var(--text);
  border-color: var(--accent-2);
}

.demo-theme-toggle {
  margin-top: 12px;
  display: flex;
  justify-content: center;
}

header {
  border-bottom: 1px solid var(--line);
}

.demo-card,
.section,
.demo-section,
.panel,
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--text);
  box-shadow: 0 18px 36px rgba(6, 10, 24, 0.45);
}

.demo-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-card .code-block {
  margin-top: auto;
}

.demo-grid,
.grid {
  align-items: stretch;
}

.demo-card h2,
.demo-card h3,
.section h2,
.demo-section h2,
.panel-header {
  color: var(--text);
}

.label,
.stat-label,
.category-title,
.subtitle,
.hint,
.note {
  color: var(--muted);
}

.info-item,
.capability,
.preference,
.option-group,
.output,
.current-url,
.event-log,
.result-card,
.log,
.stat {
  background: var(--surface-1);
  border: 1px solid var(--line);
  color: var(--text);
}

.info-item .label,
.capability .name {
  color: var(--muted);
}

.panel-header,
.options,
.topbar,
.top-links {
  background: var(--panel-bg);
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.subtitle,
.hint,
.note,
.demo-card p,
.section p,
.demo-section p {
  color: var(--muted);
}

.code-block,
pre,
code {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: 8px;
}

.value-display,
.output,
.result,
.demo-output {
  background: var(--surface-1);
  border: 1px solid var(--line);
  color: var(--text);
}

button {
  background: linear-gradient(120deg, var(--accent), #ff6a00);
  color: #111;
  border: none;
}

button:hover {
  filter: brightness(1.05);
}

input,
select,
textarea {
  background: var(--surface-1);
  color: var(--text);
  border: 1px solid var(--line);
}

footer {
  color: var(--muted);
}

footer a {
  color: var(--text);
}

arc-slider {
  --arc-slider-text-color: var(--text);
  --arc-slider-value-bg: var(--surface-1);
  --arc-slider-value-border: var(--line);
  --arc-slider-value-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

rich-select {
  --caller-background: var(--card);
  --caller-color: var(--text);
  --caller-border: 1px solid var(--line);
  --caller-hover-background: var(--surface-2);
  --caller-hover-color: var(--text);
  --caller-hover-border-color: var(--line);
  --caller-focus-border-color: var(--accent-2);
  --caller-focus-shadow: 0 0 0 3px rgba(0, 208, 255, 0.25);
  --caller-disabled-background: var(--surface-1);
  --caller-disabled-color: #6b7280;
  --caller-disabled-border-color: var(--line);
  --arrow-color: var(--muted);
  --selectOptions-background: var(--card);
  --selectOptions-border: 1px solid var(--line);
  --selectOptions-shadow: 0 10px 22px rgba(0, 0, 0, 0.45);
  --input-background: var(--surface-1);
  --input-border: 1px solid var(--line);
  --input-color: var(--text);
  --input-placeholder-color: #6b7280;
  --option-color: var(--text);
  --option-hover-background: var(--surface-2);
  --option-hover-color: var(--text);
  --option-active-background: var(--accent);
  --option-active-color: #111;
  --option-selected-background: var(--accent-soft);
  --option-selected-color: var(--text);
  --option-disabled-background: var(--surface-1);
  --option-disabled-color: #6b7280;
}

multi-select {
  --multi-select-bg: var(--card);
  --multi-select-border-color: var(--line);
  --multi-select-border-hover: var(--line);
  --multi-select-border-focus: var(--accent-2);
  --multi-select-text-color: var(--text);
  --multi-select-placeholder-color: #6b7280;
  --multi-select-arrow-color: var(--muted);
  --multi-select-dropdown-bg: var(--card);
  --multi-select-shadow: 0 10px 22px rgba(0, 0, 0, 0.45);
  --multi-select-option-hover-bg: var(--surface-2);
  --multi-select-option-selected-bg: var(--accent-soft);
}

tab-nav {
  --tab-bg: var(--card);
  --tab-border: var(--line);
  --tab-text: var(--muted);
  --tab-active-text: var(--text);
  --tab-hover-bg: var(--surface-2);
  --tab-active-border: var(--accent);
  --tab-disabled: #9ca3af;
}

slider-underline {
  --slider-track: var(--surface-2);
  --slider-fill: var(--accent);
  --slider-thumb: var(--accent);
  --slider-label-color: var(--text);
  --slider-tick-color: #9ca3af;
  --slider-tick-value-color: var(--muted);
}

header-nav {
  --header-bg: var(--card);
  --header-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
  --header-link-color: var(--text);
  --header-link-hover: var(--accent);
  --header-mobile-hover-bg: var(--surface-2);
}

calendar-inline {
  --calendar-bg: var(--card);
  --calendar-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
  --calendar-text: var(--text);
  --calendar-accent: var(--accent);
  --calendar-today: var(--accent-soft);
  --calendar-selected: var(--accent);
  --calendar-hover-bg: var(--surface-2);
  --calendar-muted: var(--muted);
  --calendar-muted-strong: #9ca3af;
  --calendar-other-month: #9ca3af;
  --calendar-disabled: #cbd5e1;
  --calendar-holiday: #ef4444;
  --calendar-holiday-selected: #111;
}

marked-calendar {
  --calendar-bg: var(--card);
  --calendar-border: var(--line);
  --calendar-title: var(--text);
  --calendar-muted: var(--muted);
  --calendar-surface: var(--surface-1);
  --calendar-accent: var(--accent);
  --calendar-accent-hover: #ff7a1a;
  --calendar-border-strong: var(--line);
  --calendar-contrast: #111;
  --calendar-nav-bg: var(--surface-1);
  --calendar-nav-hover: var(--surface-2);
}

radar-chart {
  --radar-bg: var(--card);
  --radar-grid-color: var(--line);
  --radar-axis-color: #94a3b8;
  --radar-label-color: var(--muted);
}

multi-carousel {
  --carousel-bg: var(--card);
  --carousel-arrow-bg: var(--surface-1);
  --carousel-arrow-color: var(--text);
  --carousel-arrow-hover-bg: var(--surface-2);
  --carousel-arrow-hover-color: var(--text);
  --carousel-nav-bg: var(--surface-1);
  --carousel-nav-color: var(--muted);
  --carousel-nav-hover: #9ca3af;
  --carousel-nav-active: var(--accent);
  --carousel-focus-color: var(--accent-2);
}

nav-list {
  --nav-list-bg: var(--card);
  --nav-list-border-color: var(--line);
  --nav-list-selected-border-color: var(--accent);
  --nav-list-selected-bg: var(--surface-2);
  --nav-list-hover-bg: var(--surface-2);
  --nav-list-selected-color: var(--text);
}

theme-toggle {
  --theme-toggle-bg: var(--card);
  --theme-toggle-icon-color: var(--muted);
  --theme-toggle-hover-bg: var(--surface-2);
  --theme-toggle-active-bg: var(--surface-1);
  --theme-toggle-active-color: var(--text);
  --theme-toggle-dark-bg: var(--card);
  --theme-toggle-dark-border: var(--line);
  --theme-toggle-dark-icon-color: var(--muted);
  --theme-toggle-dark-active-bg: var(--surface-1);
  --theme-toggle-dark-active-color: var(--text);
  --theme-toggle-dark-hover-bg: var(--surface-2);
}

qr-code {
  --qr-fg: #0f1117;
  --qr-bg: #f3f6ff;
}

click-clock {
  --clock-color: var(--text);
  --clock-bg: var(--card);
  --clock-muted-color: var(--muted);
}

historical-line {
  --title-color: var(--text);
  --border-color: var(--line);
  --year-bg: var(--surface-1);
}

circle-steps {
  --steps-muted: var(--muted);
  --steps-text: var(--text);
  --steps-pending: var(--surface-2);
}

rich-inputfile {
  --input-border: var(--line);
  --input-border-focus: var(--accent-2);
  --input-bg: var(--card);
  --input-label-color: var(--text);
  --input-hover-bg: var(--surface-2);
  --input-drag-bg: var(--accent-soft);
  --input-disabled-bg: var(--surface-1);
  --input-success-border: #22c55e;
  --input-success-bg: rgba(34, 197, 94, 0.12);
  --input-icon-color: #94a3b8;
  --input-text-color: var(--muted);
  --input-accent-color: var(--accent-2);
  --input-file-bg: var(--surface-1);
  --input-preview-bg: var(--surface-1);
  --input-file-name-color: var(--text);
  --input-file-size-color: var(--muted);
  --input-error-color: #ef4444;
  --input-hint-color: var(--muted);
}

data-card {
  --data-card-bg: var(--card);
  --data-card-border-color: var(--line);
  --data-card-title-color: var(--text);
  --data-card-desc-color: var(--muted);
  --data-card-info-bg: var(--overlay-bg);
  --data-card-info-close-bg: var(--surface-2);
  --data-card-info-close-color: var(--text);
  --data-card-info-close-hover-bg: var(--surface-1);
  --data-card-info-text: var(--text);
  --data-card-loading-color: var(--muted);
  --data-card-info-trigger-hover: var(--accent);
}

app-modal {
  --app-modal-bg: var(--card);
  --app-modal-body-color: var(--text);
  --app-modal-standalone-bg: rgba(255, 176, 0, 0.35);
  --app-modal-standalone-color: #111;
  --app-modal-standalone-hover-bg: rgba(255, 176, 0, 0.6);
}
JS (js)
document.querySelectorAll('.footer-year').forEach(el => el.textContent = new Date().getFullYear());
  

    import "https://esm.sh/@manufosela/radar-chart";

    // Multiple series event listener
    const multi = document.getElementById('multi');
    const multiOutput = document.getElementById('multiOutput');
    multi.addEventListener('data-point-click', (e) => {
      multiOutput.textContent = `Clicked: ${e.detail.series} - ${e.detail.label}: ${e.detail.value}`;
    });

    // Minimal - hide dots and legend
    const minimal = document.getElementById('minimal');
    minimal.showDots = false;
    minimal.showLegend = false;
  

  import '../../theme-toggle/src/theme-toggle.js';

  const root = document.documentElement;
  root.classList.add('dark');

  const toggle = document.querySelector('theme-toggle');
  if (toggle) {
    toggle.theme = root.classList.contains('dark') ? 'dark' : 'light';
    toggle.addEventListener('theme-changed', (event) => {
      const theme = event.detail?.theme;
      if (!theme) return;
      root.classList.toggle('dark', theme === 'dark');
    });
  }