add focus delegation; fixes #1622

* abstracting syntax coloring in code-highlighter.css

* adding initial custom properties to override colors
* light re-grouping of rules + color application

* fixup! removing `wa-` prefix

packages/webawesome/docs/assets/styles/code-highlighter.css

@@ -2,22 +2,25 @@
 pre[id*='code-block-'] {
   color-scheme: dark;
   color: white;
-  background-color: var(--wa-color-neutral-20);
+  background-color: var(--code-background, var(--wa-color-neutral-20));
 
   /* Ensures a discernible background color in dark mode
    * Useful for themes that use gray-20 as --wa-color-surface-default  */
   .wa-dark & {
-    background-color: var(--wa-color-surface-lowered);
+    background-color: var(--code-background-dark, var(--wa-color-surface-lowered));
   }
 }
 
 .code-comment,
 .code-prolog,
 .code-doctype,
-.code-cdata,
+.code-cdata {
+  color: var(--code-comment, var(--wa-color-gray-70));
+}
+
 .code-operator,
 .code-punctuation {
-  color: var(--wa-color-gray-70);
+  color: var(--code-operator, var(--wa-color-gray-70));
 }
 
 .code-namespace {
@@ -28,24 +31,27 @@ pre[id*='code-block-'] {
 .code-keyword,
 .code-tag,
 .code-url {
-  color: var(--wa-color-indigo-70);
+  color: var(--code-keyword, var(--wa-color-indigo-70));
 }
 
 .code-symbol,
 .code-deleted,
 .code-important {
-  color: var(--wa-color-red-70);
+  color: var(--code-error, var(--wa-color-red-70));
+}
+
+.code-string,
+.code-char,
+.code-constant {
+  color: var(--code-string, var(--wa-color-green-70));
 }
 
 .code-boolean,
-.code-constant,
 .code-selector,
 .code-attr-name,
-.code-string,
-.code-char,
 .code-builtin,
 .code-inserted {
-  color: var(--wa-color-green-70);
+  color: var(--code-literal, var(--wa-color-green-70));
 }
 
 .code-atrule,
@@ -55,7 +61,7 @@ pre[id*='code-block-'] {
 .code-function,
 .code-class-name,
 .code-regex {
-  color: var(--wa-color-blue-70);
+  color: var(--code-value, var(--wa-color-blue-70));
 }
 
 .code-important,

packages/webawesome/docs/docs/resources/changelog.md

@@ -24,6 +24,8 @@ Components with the <wa-badge variant="warning">Experimental</wa-badge> badge sh
 - Added the Kazakh translation [pr:1496]
 - Added docs for code completion for VS Code and JetBrains [pr:1550]
 - Added back the missing `form-control-label` part to `<wa-textarea>` for consistency with other form controls [pr:1533]
+- Added focus delegation to `<wa-button>` to ensure tabbing works properly when using `tabindex` [issue:1622]
+- Added [text utilities](/docs/utilities/text/) for longform text, form control text, font sizes, font weights, text color, and truncation [pr:1602]
 - Fixed a bug in `<wa-button>` where slotted badges weren't properly positioned in buttons with an `href` [issue:1377]
 - Fixed focus outline styles in `<wa-details>` and native `<details>` [issue:1456]
 - Fixed focus outline styles in `<wa-scroller>`, `<wa-dialog>`, and `<wa-drawer>` [issue:1484]
@@ -37,9 +39,8 @@ Components with the <wa-badge variant="warning">Experimental</wa-badge> badge sh
 - Fixed a bug that caused the required `*` in form labels to have incorrect spacing in `<wa-checkbox>` and `<wa-switch>` [issue:1472]
 - Fixed a bug in `<wa-dialog>` and `<wa-drawer>` that caused the component to prematurely hide when certain child elements are used [pr:1636]
 - Improved autofill styles in `<wa-input>` so they span the entire width of the visual input [issue:1439]
-- Modified `<wa-slider>` to only show the tooltip on the handle being dragged when in range mode [issue:1320]
 - Improved [text utilities](/docs/utilities/text/) so that each size modifier always exactly matches the applied font size [pr:1602]
-- Added [text utilities](/docs/utilities/text/) for longform text, form control text, font sizes, font weights, text color, and truncation [pr:1602]
+- Modified `<wa-slider>` to only show the tooltip on the handle being dragged when in range mode [issue:1320]
 - Upgraded `<wa-page>` from _experimental_ to _stable_
 
 ## 3.0.0-beta.6

packages/webawesome/src/components/button/button.ts

@@ -41,6 +41,7 @@ import styles from './button.css';
  */
 @customElement('wa-button')
 export default class WaButton extends WebAwesomeFormAssociatedElement {
+  static shadowRootOptions = { ...WebAwesomeFormAssociatedElement.shadowRootOptions, delegatesFocus: true };
   static css = [styles, variantStyles, sizeStyles];
 
   static get validators() {