/* Accessibility Enhancements
Path: docs/styles/accessibility.css
Skip links, focus styles, reduced motion
========================================== */
/* =====================================================
SKIP LINK - Screen reader and keyboard navigation
===================================================== */
.skip-link {
position: absolute;
top: -100%;
left: 50%;
transform: translateX(-50%);
z-index: 100000;
padding: 1rem 2rem;
background: var(--tenets-amber-500, #f59e0b);
color: var(--tenets-navy-900, #1a2332);
font-weight: 600;
font-size: 1rem;
text-decoration: none;
border-radius: 0 0 8px 8px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
transition: top 0.2s ease;
}
.skip-link:focus {
top: 0;
outline: 3px solid var(--tenets-navy-900, #1a2332);
outline-offset: 2px;
}
/* =====================================================
FOCUS STYLES - Visible keyboard focus indicators
===================================================== */
/* Global focus-visible for all interactive elements */
:focus-visible {
outline: 3px solid var(--tenets-amber-500, #f59e0b) !important;
outline-offset: 2px !important;
}
/* Remove default outline for mouse users */
:focus:not(:focus-visible) {
outline: none;
}
/* Enhanced focus for buttons */
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
outline: 3px solid var(--tenets-amber-500, #f59e0b);
outline-offset: 3px;
box-shadow: 0 0 0 6px rgba(245, 158, 11, 0.2);
}
/* Focus for links */
a:focus-visible {
outline: 2px solid var(--tenets-amber-500, #f59e0b);
outline-offset: 2px;
border-radius: 2px;
}
/* Focus for form inputs */
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
outline: 2px solid var(--tenets-amber-500, #f59e0b);
outline-offset: 1px;
border-color: var(--tenets-amber-500, #f59e0b);
}
/* Focus for tabs and interactive cards */
.ide-tab:focus-visible,
.see-tab-label:focus-visible,
.arch-stage:focus-visible,
.detail-card:focus-visible,
.feature-card-large:focus-visible {
outline: 3px solid var(--tenets-amber-500, #f59e0b);
outline-offset: 2px;
}
/* Dark mode focus adjustments */
[data-md-color-scheme="slate"] :focus-visible {
outline-color: var(--tenets-amber-400, #fbbf24) !important;
}
[data-md-color-scheme="slate"] .btn-primary:focus-visible,
[data-md-color-scheme="slate"] .btn-secondary:focus-visible {
box-shadow: 0 0 0 6px rgba(251, 191, 36, 0.2);
}
/* =====================================================
REDUCED MOTION - Respect user preferences
===================================================== */
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
/* Keep essential state changes visible */
.skip-link {
transition: none;
}
/* Disable decorative animations */
.pulse-node,
.connection-line,
.bar-grow,
.line-draw,
.dot-appear,
.session-dot,
.branch-line,
.rocket-body,
.rocket-flame,
.exhaust-left,
.exhaust-right,
.lantern-layer,
.hero-background svg {
animation: none !important;
}
/* Screenshot fade-in - show immediately */
.screenshot-item {
opacity: 1 !important;
transform: none !important;
animation: none !important;
}
}
/* =====================================================
HIGH CONTRAST MODE
===================================================== */
@media (prefers-contrast: more) {
:root {
--border-default: rgba(0, 0, 0, 0.3);
--border-hover: rgba(0, 0, 0, 0.5);
}
[data-md-color-scheme="slate"] {
--border-default: rgba(255, 255, 255, 0.3);
--border-hover: rgba(255, 255, 255, 0.5);
}
/* Increase text contrast */
.text-muted {
opacity: 1 !important;
}
/* Stronger borders */
.feature-card-large,
.install-card,
.mcp-detail-card,
.config-code {
border-width: 2px !important;
}
}
/* =====================================================
SCREEN READER ONLY - Visually hidden but accessible
===================================================== */
.sr-only {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
/* Show on focus for skip links etc */
.sr-only-focusable:focus {
position: static;
width: auto;
height: auto;
margin: 0;
overflow: visible;
clip: auto;
white-space: normal;
}
/* =====================================================
TOUCH TARGET SIZE - Minimum 44x44px
===================================================== */
@media (pointer: coarse) {
/* Ensure buttons are touch-friendly */
.btn-primary,
.btn-secondary,
.copy-btn,
.ide-tab,
.see-tab-label {
min-height: 44px;
min-width: 44px;
}
/* Navigation links */
.md-nav__link {
min-height: 44px;
display: flex;
align-items: center;
}
/* Social links */
.social-link {
min-width: 44px;
min-height: 44px;
display: inline-flex;
align-items: center;
justify-content: center;
}
}
