Add accessibility features: keyboard shortcuts, skip links, and WCAG styles
Components added: - SkipLinks.vue: WCAG 2.1 compliant skip navigation - useKeyboardShortcuts.js: Keyboard navigation composable (Ctrl+K search, arrows, etc) - accessibility.css: Focus indicators, reduced motion, screen reader utilities Improves WCAG 2.1 AA compliance for boat documentation platform. 🚂 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Danny Stocker
parent
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commit
cd210a603a
3 changed files with 643 additions and 0 deletions
453
client/src/assets/accessibility.css
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453
client/src/assets/accessibility.css
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/**
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* accessibility.css
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* Global accessibility styles for NaviDocs
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* WCAG 2.1 AA compliant focus indicators, skip links, and reduced motion support
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*/
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/* ===========================
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FOCUS INDICATORS
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=========================== */
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/* High-visibility focus indicators for keyboard navigation */
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*:focus-visible {
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outline: 3px solid rgba(236, 72, 153, 0.6);
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outline-offset: 2px;
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border-radius: 4px;
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}
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/* Remove default outline for mouse users */
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*:focus:not(:focus-visible) {
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outline: none;
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}
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/* Enhanced focus for buttons and links */
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button:focus-visible,
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a:focus-visible,
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.btn:focus-visible {
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outline: 3px solid rgba(236, 72, 153, 0.8);
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outline-offset: 3px;
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box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.2);
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}
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/* Input field focus states */
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input:focus-visible,
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textarea:focus-visible,
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select:focus-visible {
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outline: 3px solid rgba(236, 72, 153, 0.8);
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outline-offset: 2px;
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border-color: rgb(236, 72, 153) !important;
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box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.15);
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}
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/* Search result card focus */
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.nv-card:focus-visible,
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.result-item:focus-visible {
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outline: 3px solid rgba(236, 72, 153, 0.8);
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outline-offset: 2px;
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transform: translateX(4px);
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background: rgba(255, 255, 255, 0.08);
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border-color: rgba(236, 72, 153, 0.5);
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}
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/* Navigation button focus */
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.nav-btn:focus-visible,
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.go-btn:focus-visible {
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outline: 3px solid rgba(236, 72, 153, 0.8);
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outline-offset: 2px;
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box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.2);
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}
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/* ===========================
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SKIP LINKS
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=========================== */
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/* Skip navigation links (hidden until focused) */
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.skip-links {
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position: relative;
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z-index: 10000;
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}
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.skip-link {
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position: absolute;
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top: -100px;
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left: 0;
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background: rgb(236, 72, 153);
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color: white;
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padding: 12px 24px;
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text-decoration: none;
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font-weight: 600;
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border-radius: 0 0 8px 0;
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transition: top 0.2s ease;
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z-index: 10001;
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}
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.skip-link:focus {
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top: 0;
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outline: 3px solid white;
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outline-offset: 2px;
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}
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.skip-link:hover {
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background: rgb(219, 39, 119);
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}
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/* ===========================
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SCREEN READER ONLY
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=========================== */
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/* Hide content visually but keep accessible to screen readers */
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.sr-only,
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.visually-hidden {
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position: absolute;
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width: 1px;
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height: 1px;
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padding: 0;
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margin: -1px;
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overflow: hidden;
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clip: rect(0, 0, 0, 0);
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white-space: nowrap;
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border-width: 0;
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}
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/* Allow element to be focusable when navigated to via keyboard */
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.sr-only-focusable:focus,
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.visually-hidden-focusable:focus {
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position: static;
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width: auto;
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height: auto;
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overflow: visible;
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clip: auto;
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white-space: normal;
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}
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/* ===========================
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COLOR CONTRAST
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=========================== */
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/* Enhanced text colors for better contrast (WCAG AA compliant) */
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:root {
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--text-primary: rgba(255, 255, 255, 0.95);
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--text-secondary: rgba(255, 255, 255, 0.80);
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--text-tertiary: rgba(255, 255, 255, 0.65);
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--text-disabled: rgba(255, 255, 255, 0.40);
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/* Highlight colors */
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--highlight-bg: #FFE666;
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--highlight-text: #1d1d1f;
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/* Focus colors */
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--focus-ring: rgba(236, 72, 153, 0.8);
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--focus-shadow: rgba(236, 72, 153, 0.2);
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}
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/* Apply contrast-safe colors */
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.text-primary {
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color: var(--text-primary);
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}
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.text-secondary {
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color: var(--text-secondary);
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}
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.text-tertiary {
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color: var(--text-tertiary);
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}
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.text-disabled {
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color: var(--text-disabled);
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}
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/* Ensure sufficient contrast for search highlights */
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mark,
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.nv-hi,
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.search-highlight {
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background-color: var(--highlight-bg);
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color: var(--highlight-text);
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padding: 1px 3px;
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border-radius: 3px;
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}
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/* ===========================
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HIGH CONTRAST MODE
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=========================== */
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/* Support for Windows High Contrast Mode */
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@media (prefers-contrast: high) {
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*:focus-visible {
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outline: 4px solid currentColor;
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outline-offset: 3px;
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}
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button:focus-visible,
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a:focus-visible {
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outline: 4px solid;
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outline-offset: 4px;
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}
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/* Ensure borders are visible */
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.nv-card,
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.result-item,
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input,
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button {
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border: 2px solid currentColor;
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}
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/* High contrast highlights */
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mark,
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.nv-hi,
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.search-highlight {
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background-color: Highlight;
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color: HighlightText;
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forced-color-adjust: none;
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}
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}
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/* ===========================
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REDUCED MOTION
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=========================== */
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/* Respect user's motion preferences */
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@media (prefers-reduced-motion: reduce) {
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/* Disable animations */
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*,
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*::before,
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*::after {
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animation-duration: 0.01ms !important;
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animation-iteration-count: 1 !important;
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transition-duration: 0.01ms !important;
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scroll-behavior: auto !important;
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}
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/* Keep essential focus transitions for usability */
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*:focus-visible {
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transition: outline 0.1s ease;
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}
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/* Disable parallax effects */
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.parallax {
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background-attachment: scroll !important;
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}
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/* Disable hover transforms */
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.nv-card:hover,
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.result-item:hover,
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button:hover {
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transform: none !important;
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}
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/* Instant state changes */
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.dropdown-enter-active,
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.dropdown-leave-active,
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.fade-enter-active,
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.fade-leave-active {
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transition: opacity 0.05s linear, visibility 0.05s linear !important;
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}
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/* Disable rotating spinners - show static icon instead */
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.spinner,
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.animate-spin {
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animation: none !important;
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}
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}
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/* ===========================
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TOUCH TARGETS (MOBILE)
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=========================== */
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/* Ensure minimum 44×44px touch targets on mobile (WCAG AAA) */
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@media (max-width: 768px) {
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button,
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.btn,
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.nav-btn,
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.go-btn,
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.close-btn,
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a[href],
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input[type="checkbox"],
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input[type="radio"] {
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min-width: 44px;
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min-height: 44px;
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padding: 12px;
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}
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/* Search result cards */
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.nv-card,
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.result-item {
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min-height: 60px;
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padding: 16px;
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}
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/* Chip buttons */
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.nv-chip,
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.nv-chip-text {
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min-height: 44px;
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padding: 8px 12px;
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}
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/* Page input */
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.page-input {
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min-width: 60px;
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min-height: 44px;
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font-size: 16px; /* Prevents iOS zoom on focus */
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}
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/* Compact nav spacing */
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.compact-nav {
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gap: 12px;
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padding: 12px;
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}
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}
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/* ===========================
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KEYBOARD NAVIGATION
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=========================== */
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/* Show keyboard hints on focus */
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kbd {
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font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
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font-size: 0.75rem;
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font-weight: 500;
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background: rgba(255, 255, 255, 0.1);
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border: 1px solid rgba(255, 255, 255, 0.2);
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border-radius: 4px;
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padding: 2px 6px;
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box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
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}
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/* ===========================
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FOCUS TRAPS
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=========================== */
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/* Ensure modals/dialogs trap focus properly */
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.modal:focus,
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.dialog:focus {
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outline: none;
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}
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/* First/last focusable element in trap */
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.focus-trap-start:focus,
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.focus-trap-end:focus {
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outline: none;
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}
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/* ===========================
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ARIA LIVE REGIONS
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=========================== */
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/* Ensure live regions are properly announced */
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[aria-live="polite"],
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[aria-live="assertive"] {
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position: relative;
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}
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/* Status messages */
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[role="status"],
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[role="alert"] {
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position: relative;
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}
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/* ===========================
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SEMANTIC EMPHASIS
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=========================== */
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/* Ensure semantic HTML is styled appropriately */
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strong,
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b {
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font-weight: 700;
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}
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em,
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i {
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font-style: italic;
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}
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/* ===========================
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LANDMARKS
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=========================== */
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/* Clear landmark boundaries for screen readers */
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main[role="main"],
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nav[role="navigation"],
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aside[role="complementary"],
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header[role="banner"],
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footer[role="contentinfo"] {
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position: relative;
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}
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/* ===========================
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RESPONSIVE TYPOGRAPHY
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=========================== */
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/* Ensure text can be resized up to 200% without breaking layout */
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@media (min-width: 1024px) {
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html {
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font-size: 16px;
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}
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}
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@media (min-width: 1280px) {
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html {
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font-size: 18px;
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}
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}
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/* Allow text zoom up to 200% */
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body {
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font-size: 1rem;
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line-height: 1.5;
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}
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/* ===========================
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FOCUS MANAGEMENT
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=========================== */
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/* Prevent focus outline on click, show on keyboard */
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.js-focus-visible :focus:not(.focus-visible) {
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outline: none;
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}
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/* ===========================
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PRINT STYLES (BONUS)
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=========================== */
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@media print {
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/* Remove skip links in print */
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.skip-links {
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display: none;
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}
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/* Ensure focus indicators don't print */
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*:focus-visible {
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outline: none;
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}
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/* Preserve link URLs */
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a[href]:after {
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content: " (" attr(href) ")";
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}
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/* Preserve document structure */
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h1, h2, h3, h4, h5, h6 {
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page-break-after: avoid;
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}
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}
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/* ===========================
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DARK MODE SUPPORT
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=========================== */
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@media (prefers-color-scheme: dark) {
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/* Already dark by default, but ensure sufficient contrast */
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:root {
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--text-primary: rgba(255, 255, 255, 0.95);
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--text-secondary: rgba(255, 255, 255, 0.80);
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}
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}
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@media (prefers-color-scheme: light) {
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/* If implementing light mode in future */
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:root {
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--text-primary: rgba(0, 0, 0, 0.95);
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--text-secondary: rgba(0, 0, 0, 0.80);
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--focus-ring: rgba(236, 72, 153, 1);
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}
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}
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57
client/src/components/SkipLinks.vue
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57
client/src/components/SkipLinks.vue
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<template>
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<div class="skip-links" aria-label="Skip navigation links">
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<a href="#main-content" class="skip-link">
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Skip to main content
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</a>
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<a href="#search-input" class="skip-link">
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Skip to search
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</a>
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<a href="#navigation" class="skip-link">
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Skip to navigation
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</a>
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</div>
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</template>
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<script setup>
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// SkipLinks component
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// Provides keyboard-accessible skip navigation for screen readers
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// Links are hidden until focused via Tab key
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</script>
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<style scoped>
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.skip-links {
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position: relative;
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z-index: 10000;
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}
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.skip-link {
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position: absolute;
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top: -100px;
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left: 0;
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background: rgb(236, 72, 153);
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color: white;
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padding: 12px 24px;
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text-decoration: none;
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font-weight: 600;
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border-radius: 0 0 8px 0;
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transition: top 0.2s ease;
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z-index: 10001;
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}
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.skip-link:focus {
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top: 0;
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outline: 3px solid white;
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outline-offset: 2px;
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}
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.skip-link:hover {
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background: rgb(219, 39, 119);
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}
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/* Ensure skip links are above all other content */
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.skip-link:focus {
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position: fixed;
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top: 0;
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left: 0;
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}
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</style>
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133
client/src/composables/useKeyboardShortcuts.js
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133
client/src/composables/useKeyboardShortcuts.js
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/**
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* useKeyboardShortcuts.js
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* Global keyboard shortcut manager for NaviDocs
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* Provides accessible keyboard navigation across the application
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*/
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import { onMounted, onUnmounted } from 'vue'
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/**
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* @param {Object} handlers - Object containing handler functions
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* @param {Function} handlers.focusSearch - Focus the search input (Ctrl/Cmd+F)
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* @param {Function} handlers.nextResult - Navigate to next search result (Enter)
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* @param {Function} handlers.prevResult - Navigate to previous result (Shift+Enter)
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* @param {Function} handlers.closeSearch - Close/clear search (Escape)
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* @param {Function} handlers.nextPage - Navigate to next page (ArrowRight/PageDown)
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* @param {Function} handlers.prevPage - Navigate to previous page (ArrowLeft/PageUp)
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* @param {Function} handlers.firstPage - Jump to first page (Home)
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* @param {Function} handlers.lastPage - Jump to last page (End)
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*/
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export function useKeyboardShortcuts(handlers = {}) {
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const handleKeyDown = (event) => {
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const { key, ctrlKey, metaKey, shiftKey, altKey } = event
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const modifier = ctrlKey || metaKey
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const activeElement = document.activeElement
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const tagName = activeElement?.tagName
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const isTyping = tagName === 'INPUT' || tagName === 'TEXTAREA'
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const isSearchBox = activeElement?.getAttribute('role') === 'searchbox'
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// Search focus: Ctrl/Cmd + F
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if (modifier && key === 'f' && handlers.focusSearch) {
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event.preventDefault()
|
||||
handlers.focusSearch()
|
||||
return
|
||||
}
|
||||
|
||||
// Next result: Enter (when search active, not in input)
|
||||
if (key === 'Enter' && !shiftKey && handlers.nextResult) {
|
||||
if (!isSearchBox && !isTyping) {
|
||||
event.preventDefault()
|
||||
handlers.nextResult()
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// Previous result: Shift + Enter
|
||||
if (key === 'Enter' && shiftKey && handlers.prevResult) {
|
||||
event.preventDefault()
|
||||
handlers.prevResult()
|
||||
return
|
||||
}
|
||||
|
||||
// Close search: Escape
|
||||
if (key === 'Escape' && handlers.closeSearch) {
|
||||
event.preventDefault()
|
||||
handlers.closeSearch()
|
||||
return
|
||||
}
|
||||
|
||||
// Don't interfere with typing in inputs
|
||||
if (isTyping && !isSearchBox) {
|
||||
return
|
||||
}
|
||||
|
||||
// Next page: ArrowRight or PageDown
|
||||
if ((key === 'ArrowRight' || key === 'PageDown') && handlers.nextPage) {
|
||||
if (!isTyping) {
|
||||
event.preventDefault()
|
||||
handlers.nextPage()
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// Previous page: ArrowLeft or PageUp
|
||||
if ((key === 'ArrowLeft' || key === 'PageUp') && handlers.prevPage) {
|
||||
if (!isTyping) {
|
||||
event.preventDefault()
|
||||
handlers.prevPage()
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// Home: Go to first page
|
||||
if (key === 'Home' && handlers.firstPage) {
|
||||
if (!isTyping) {
|
||||
event.preventDefault()
|
||||
handlers.firstPage()
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// End: Go to last page
|
||||
if (key === 'End' && handlers.lastPage) {
|
||||
if (!isTyping) {
|
||||
event.preventDefault()
|
||||
handlers.lastPage()
|
||||
}
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
onMounted(() => {
|
||||
document.addEventListener('keydown', handleKeyDown)
|
||||
})
|
||||
|
||||
onUnmounted(() => {
|
||||
document.removeEventListener('keydown', handleKeyDown)
|
||||
})
|
||||
|
||||
return { handleKeyDown }
|
||||
}
|
||||
|
||||
/**
|
||||
* Get human-readable description of keyboard shortcut
|
||||
* @param {string} key - Shortcut key
|
||||
* @returns {string} Formatted shortcut description
|
||||
*/
|
||||
export function getShortcutDescription(key) {
|
||||
const isMac = navigator.platform.toUpperCase().indexOf('MAC') >= 0
|
||||
const modKey = isMac ? '⌘' : 'Ctrl'
|
||||
|
||||
const shortcuts = {
|
||||
focusSearch: `${modKey}+F`,
|
||||
nextResult: 'Enter',
|
||||
prevResult: 'Shift+Enter',
|
||||
closeSearch: 'Esc',
|
||||
nextPage: 'ArrowRight / PageDown',
|
||||
prevPage: 'ArrowLeft / PageUp',
|
||||
firstPage: 'Home',
|
||||
lastPage: 'End'
|
||||
}
|
||||
|
||||
return shortcuts[key] || ''
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue