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feat(website): add comprehensive accessibility improvements

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Phase 1 - Screen Reader Critical:
- Add aria-label to main navigation
- Add accessible names to icon-only buttons (GitHub, theme toggle, close)
- Add aria-hidden to decorative SVGs and emoji icons
- Add role=dialog, aria-modal, aria-labelledby to modal
- Add skip link with visible focus state

Phase 2 - Keyboard Navigation:
- Implement focus trap in modal (Tab/Shift+Tab cycles)
- Return focus to trigger element on modal close
- Replace outline:none with visible focus rings
- Add keyboard navigation to install dropdown (arrows, escape)
- Add aria-expanded to dropdown toggles

Phase 3 - Dynamic Content:
- Add aria-live=polite to results counts and loading states
- Add role=listbox to search results
- Add role=list to resource lists
- Add role=menu/menuitem to dropdown menus

Phase 4 - Forms & Labels:
- Add .sr-only utility class for screen reader text
- Add visually hidden labels to all search inputs
- Add aria-label to filter dropdowns

Files modified:
- BaseLayout.astro, Modal.astro (ARIA attributes)
- modal.ts (focus trap, keyboard navigation)
- global.css (sr-only, skip-link, focus styles)
- All page files (labels, live regions, roles)
This commit is contained in:
Aaron Powell
2026-02-02 11:52:31 +11:00
parent f99c99a5d4
commit 94a395dbe0
13 changed files with 272 additions and 92 deletions
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17
website/src/layouts/BaseLayout.astro
View File

@@ -28,15 +28,16 @@ const base = import.meta.env.BASE_URL;
</script>
</head>
<body data-base-path={base}>
<a href="#main-content" class="skip-link">Skip to main content</a>
<header class="site-header">
<div class="container">
<div class="header-content">
<a href={base} class="logo">
<img src={`${base}images/Copilot_Icon_White.svg`} alt="GitHub Copilot" class="logo-icon logo-icon-dark" width="32" height="32" />
<img src={`${base}images/Copilot_Icon_Black.svg`} alt="GitHub Copilot" class="logo-icon logo-icon-light" width="32" height="32" />
<img src={`${base}images/Copilot_Icon_White.svg`} alt="" class="logo-icon logo-icon-dark" width="32" height="32" aria-hidden="true" />
<img src={`${base}images/Copilot_Icon_Black.svg`} alt="" class="logo-icon logo-icon-light" width="32" height="32" aria-hidden="true" />
<span class="logo-text">Awesome Copilot</span>
</a>
<nav class="main-nav">
<nav class="main-nav" aria-label="Main navigation">
<a href={`${base}agents/`} class:list={[{ active: activeNav === 'agents' }]}>Agents</a>
<a href={`${base}prompts/`} class:list={[{ active: activeNav === 'prompts' }]}>Prompts</a>
<a href={`${base}instructions/`} class:list={[{ active: activeNav === 'instructions' }]}>Instructions</a>
@@ -46,16 +47,16 @@ const base = import.meta.env.BASE_URL;
<a href={`${base}samples/`} class:list={[{ active: activeNav === 'samples' }]}>Samples</a>
</nav>
<div class="header-actions">
<button id="theme-toggle" class="theme-toggle" title="Toggle theme">
<svg class="icon-sun" viewBox="0 0 16 16" fill="currentColor">
<button id="theme-toggle" class="theme-toggle" aria-label="Toggle theme">
<svg class="icon-sun" viewBox="0 0 16 16" fill="currentColor" aria-hidden="true">
<path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.75.75 0 0 1 .75.75v1.5a.75.75 0 0 1-1.5 0V.75A.75.75 0 0 1 8 0zm0 13a.75.75 0 0 1 .75.75v1.5a.75.75 0 0 1-1.5 0v-1.5A.75.75 0 0 1 8 13zM2.343 2.343a.75.75 0 0 1 1.061 0l1.06 1.061a.75.75 0 0 1-1.06 1.06l-1.06-1.06a.75.75 0 0 1 0-1.06zm9.193 9.193a.75.75 0 0 1 1.06 0l1.061 1.06a.75.75 0 0 1-1.06 1.061l-1.061-1.06a.75.75 0 0 1 0-1.061zM0 8a.75.75 0 0 1 .75-.75h1.5a.75.75 0 0 1 0 1.5H.75A.75.75 0 0 1 0 8zm13 0a.75.75 0 0 1 .75-.75h1.5a.75.75 0 0 1 0 1.5h-1.5A.75.75 0 0 1 13 8zM2.343 13.657a.75.75 0 0 1 0-1.061l1.06-1.06a.75.75 0 0 1 1.061 1.06l-1.06 1.06a.75.75 0 0 1-1.061 0zm9.193-9.193a.75.75 0 0 1 0-1.06l1.061-1.061a.75.75 0 0 1 1.06 1.06l-1.06 1.061a.75.75 0 0 1-1.061 0z"/>
</svg>
<svg class="icon-moon" viewBox="0 0 16 16" fill="currentColor">
<svg class="icon-moon" viewBox="0 0 16 16" fill="currentColor" aria-hidden="true">
<path d="M9.598 1.591a.75.75 0 0 1 .785-.175 7 7 0 1 1-8.967 8.967.75.75 0 0 1 .961-.96 5.5 5.5 0 0 0 7.046-7.046.75.75 0 0 1 .175-.786zm1.616 1.945a7 7 0 0 1-7.678 7.678 5.5 5.5 0 1 0 7.678-7.678z"/>
</svg>
</button>
<a href="https://github.com/github/awesome-copilot" class="github-link" target="_blank" rel="noopener">
<svg viewBox="0 0 16 16" width="24" height="24" fill="currentColor">
<a href="https://github.com/github/awesome-copilot" class="github-link" target="_blank" rel="noopener" aria-label="View on GitHub">
<svg viewBox="0 0 16 16" width="24" height="24" fill="currentColor" aria-hidden="true">
<path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"></path>
</svg>
</a>