import { Meta } from "@storybook/addon-docs";

<Meta title="Tokens/Layers" />

<style>{`
  .subheading {
    --mediumdark: '#999999';
    font-weight: 900;
    font-size: 13px;
    color: var(--black);
    letter-spacing: 6px;
    line-height: 24px;
    text-transform: uppercase;
    margin-bottom: 12px;
    margin-top: 40px;
  }

  .preview-list {
    display: grid;
    grid-template-columns: 1fr;
  }

  .preview-item {
    display: block;
    border: 1px solid #00000010;
    background-color: var(--neutral-100);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-base);
    color: #333333;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px 20px;
    margin-top: -20px;
    position: relative;
    color: var(--neutral-600);
  }

  .preview-item-preview {
    padding: var(--spacing-4);
    border-top-right-radius: var(--radius-base);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    overflow: hidden;
  }

  .preview-item strong {
    font-weight: 600;
    display: block;
    letter-spacing: 0.25px;
  }

  .preview-item span {
    font-size: var(--sizing-sm);
    line-height: 20px;
  }

  .tip {
    display: inline-block;
    border-radius: 1em;
    font-size: 15px;
    line-height: 12px;
    font-weight: 700;
    background: #E7FDD8;
    color: #66BF3C;
    padding: 4px 12px;
    margin-right: 10px;
    vertical-align: top;
  }

  .tip-wrapper {
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-8);
  }

  .tip-wrapper code {
    display: inline-block;
  }

  
`}</style>

# Layers

Layer (z-index) tokens determine an item’s position in the stacking order.

## Using layer tokens

<div className="tip-wrapper">
  <span className="tip">Tip</span>Layers are defined as CSS Custom properties on
  z-index, to use them, use: <code>var(--layer-1)</code> as the CSS property
  value.
</div>

```
z-index: var(--layer-1);
```

<div className="preview-list">
  <div
    className="preview-item"
    style={{ backgroundColor: "var(--white)", zIndex: "var(--layer-auto)" }}
  >
    <span>
      <strong>--layer-auto</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{ backgroundColor: "var(--white)", zIndex: "var(--layer-top)" }}
  >
    <span>
      <strong>--layer-top</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{ backgroundColor: "var(--neutral-50)", zIndex: "var(--layer-10)" }}
  >
    <span>
      <strong>--layer-10</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{ backgroundColor: "var(--neutral-100)", zIndex: "var(--layer-9)" }}
  >
    <span>
      <strong>--layer-9</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{ backgroundColor: "var(--neutral-200)", zIndex: "var(--layer-8)" }}
  >
    <span>
      <strong>--layer-8</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{ backgroundColor: "var(--neutral-300)", zIndex: "var(--layer-7)" }}
  >
    <span>
      <strong>--layer-7</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{
      backgroundColor: "var(--neutral-400)",
      zIndex: "var(--layer-6)",
      color: "var(--white)",
    }}
  >
    <span>
      <strong>--layer-6</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{
      backgroundColor: "var(--neutral-500)",
      zIndex: "var(--layer-5)",
      color: "var(--white)",
    }}
  >
    <span>
      <strong>--layer-5</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{
      backgroundColor: "var(--neutral-700)",
      zIndex: "var(--layer-4)",
      color: "var(--white)",
    }}
  >
    <span>
      <strong>--layer-4</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{
      backgroundColor: "var(--neutral-800)",
      zIndex: "var(--layer-3)",
      color: "var(--white)",
    }}
  >
    <span>
      <strong>--layer-3</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{
      backgroundColor: "var(--neutral-900)",
      zIndex: "var(--layer-2)",
      color: "var(--white)",
    }}
  >
    <span>
      <strong>--layer-2</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{
      backgroundColor: "var(--neutral-900)",
      zIndex: "var(--layer-1)",
      color: "var(--white)",
    }}
  >
    <span>
      <strong>--layer-1</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{
      backgroundColor: "var(--black)",
      zIndex: "var(--layer-0)",
      color: "var(--white)",
    }}
  >
    <span>
      <strong>--layer-0</strong>
    </span>
  </div>
  <div
    className="preview-item"
    style={{
      backgroundColor: "var(--black)",
      zIndex: "var(--layer-bottom)",
      color: "var(--white)",
    }}
  >
    <span>
      <strong>--layer-bottom</strong>
    </span>
  </div>
</div>
