/**
 * Accessibility Enhancements
 * WCAG 2.1 AA compliant styles for inclusive design
 */

/* Skip Links */
.skip-links {
    position: absolute;
    top: -100px;
    left: 0;
    z-index: 100000;

.skip-link {
    position: absolute !important;
    top: -9999px !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    background: var(--color-info, #4a90e2);
    color: var(--color-text-primary);
    padding: 0.75rem 1rem;
    text-decoration: none;
    font-weight: 600;
    z-index: 100001;
    border-radius: 0 0 var(--radius-sm) 0;
    transition: top 0.2s ease, opacity 0.2s ease, left 0.2s ease;
    opacity: 0 !important;
    pointer-events: none !important;
    white-space: nowrap;
    visibility: hidden !important;

.skip-link:focus {
    top: 0 !important;
    left: 0 !important;
    width: auto !important;
    height: auto !important;
    overflow: visible !important;
    clip: auto !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    visibility: visible !important;
    outline: 3px solid var(--color-text-primary);
    outline-offset: 2px;

/* Stack second skip link below first when both are focused */
.skip-link:focus ~ .skip-link:focus {
    top: 3rem;

/* Ensure skip links don't overlap with breadcrumbs */
.breadcrumb-navigation {
    margin-top: 0;
    position: relative;
    z-index: 1;

/* Add padding to body when skip links are focused to prevent overlap with breadcrumb */
body.skip-link-focused .breadcrumb-navigation {
    margin-top: 3.5rem;

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;

/* Enhanced Focus Indicators */
*:focus-visible {
    outline: 3px solid var(--color-info, #4a90e2) !important;
    outline-offset: 2px !important;
    border-radius: var(--radius-xs) !important;

*:focus:not(:focus-visible) {
    outline: none !important;

/* High Contrast Mode */
.high-contrast {
    --color-text: var(--color-text-primary)fff;
    --color-text-secondary: var(--color-text-primary)fff;
    --color-bg-primary: #000000;
    --color-bg-secondary: #1a1a1a;
    --color-border: var(--color-text-primary)fff;
    --color-info: var(--color-accent-cyan);
    --color-success: #00ff00;
    --color-warning: var(--color-text-primary)f00;
    --color-failure: #ff0000;

.high-contrast * {
    border-color: var(--color-border, var(--color-text-primary)) !important;

.high-contrast button,
.high-contrast .button {
    border: 2px solid var(--color-border, var(--color-text-primary)) !important;

.high-contrast input,
.high-contrast select,
.high-contrast textarea {
    border: 2px solid var(--color-border, var(--color-text-primary)) !important;
    background: var(--color-bg-primary, #000) !important;
    color: var(--color-text, var(--color-text-primary)) !important;

/* Color Blind Friendly Mode */
.color-blind-friendly .status-indicator::before {
    content: attr(data-status-icon);
    margin-right: 0.5rem;
    font-size: 1.2em;

.color-blind-friendly .status-indicator.success::before {
    content: '✓ ';

.color-blind-friendly .status-indicator.error::before {
    content: '✗ ';

.color-blind-friendly .status-indicator.warning::before {
    content: '⚠ ';

.color-blind-friendly .status-indicator.info::before {
    content: 'ℹ ';

/* Ensure status indicators use patterns, not just color */
.color-blind-friendly .status-indicator {
    border-style: solid;
    border-width: calc(var(--spacing-xs) / 2);

.color-blind-friendly .status-indicator.success {
    border-style: solid;

.color-blind-friendly .status-indicator.error {
    border-style: dashed;

.color-blind-friendly .status-indicator.warning {
    border-style: dotted;

/* Minimum Touch Targets (WCAG 2.5.5) */
@media (pointer: coarse) {
    button,
    .button,
    .action-btn,
    .roll-btn,
    a,
    input[type="checkbox"],
    input[type="radio"],
    select {
        min-height: calc(var(--spacing-2xl) * 1.375);
        min-width: calc(var(--spacing-2xl) * 1.375);

/* Minimum Font Sizes (WCAG 1.4.4) */
body {
    font-size: var(--font-size-base); /* Prevents zoom on iOS, meets WCAG minimum */

button,
input,
select,
textarea {
    font-size: var(--font-size-base); /* Prevents zoom on iOS */

/* Line Height (WCAG 1.4.8) */
body {
    line-height: 1.5;

p, li, dd, dt {
    line-height: 1.6;

/* Color Contrast - Ensure all text meets WCAG AA (4.5:1) */
.text-primary {
    color: var(--color-text-primary)fff; /* High contrast on dark backgrounds */

.text-secondary {
    color: #cccccc; /* Still meets AA on dark backgrounds */

.text-tertiary {
    color: var(--color-text-secondary)999; /* Use sparingly, ensure sufficient contrast */

/* Error States - Don't rely on color alone */
.error-state {
    border-color: var(--color-failure, #ff6b6b) !important;
    border-width: calc(var(--spacing-xs) / 2) !important;
    border-style: solid !important;

.error-state::before {
    content: '⚠ ';
    color: var(--color-failure, #ff6b6b);
    font-weight: bold;
    margin-right: 0.5rem;

/* Success States */
.success-state {
    border-color: var(--color-success, #4caf50) !important;
    border-width: calc(var(--spacing-xs) / 2) !important;
    border-style: solid !important;

.success-state::before {
    content: '✓ ';
    color: var(--color-success, #4caf50);
    font-weight: bold;
    margin-right: 0.5rem;

/* Required Fields */
[aria-required="true"]::after {
    content: ' *';
    color: var(--color-failure, #ff6b6b);
    font-weight: bold;

/* Invalid Fields */
[aria-invalid="true"] {
    border-color: var(--color-failure, #ff6b6b) !important;
    border-width: calc(var(--spacing-xs) / 2) !important;

[aria-invalid="true"]::after {
    content: ' (Invalid)';
    color: var(--color-failure, #ff6b6b);
    font-size: 0.875em;
    margin-left: 0.5rem;

/* Disabled States */
[aria-disabled="true"],
:disabled {
    opacity: 0.6;
    cursor: not-allowed;

/* Loading States */
[aria-busy="true"] {
    position: relative;

[aria-busy="true"]::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--spacing-md);
    height: var(--spacing-md);
    margin: -var(--spacing-sm) 0 0 -var(--spacing-sm);
    border: 2px solid var(--color-info, #4a90e2);
    border-top-color: transparent;
    border-radius: var(--radius-full);
    animation: spin 0.6s linear infinite;

@keyframes spin {
    to {
        transform: rotate(360deg);

/* Expanded/Collapsed States */
[aria-expanded="true"]::before {
    content: '▼ ';

[aria-expanded="false"]::before {
    content: '▶ ';

/* Landmark Regions */
[role="main"] {
    outline: 2px dashed transparent;

[role="main"]:focus {
    outline-color: var(--color-info, #4a90e2);

[role="navigation"] {
    outline: 2px dashed transparent;

[role="navigation"]:focus {
    outline-color: var(--color-info, #4a90e2);

/* Live Regions */
[role="status"],
[role="alert"] {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;

/* Form Labels */
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text, var(--color-text-primary));

label[for] {
    cursor: pointer;

/* Input Groups */
.input-group {
    margin-bottom: 1rem;

.input-group label {
    margin-bottom: 0.25rem;

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;

.input-group .error-message {
    margin-top: 0.25rem;
    color: var(--color-failure, #ff6b6b);
    font-size: 0.875rem;

/* Reduced Motion */
@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;

/* Print Styles */
@media print {
    .skip-links,
    .sr-only,
    [role="status"],
    [role="alert"] {
        display: none !important;

    * {
        background: white !important;
        color: black !important;

/* Responsive Typography */
@media (max-width: 768px) {
    body {
        font-size: calc(var(--spacing-md) * 1.5); /* Larger on mobile for readability */

/* Focus Management */
.focus-trap {
    outline: 2px dashed var(--color-info, #4a90e2);
    outline-offset: 4px;

/* Accessible Tables */
table {
    border-collapse: collapse;
    width: 100%;

table th,
table td {
    padding: 0.5rem;
    border: 1px solid var(--color-border, #333);
    text-align: left;

table th {
    background: var(--color-bg-secondary, #222);
    font-weight: 600;

table caption {
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-align: left;

/* Accessible Lists */
ul, ol {
    padding-left: 1.5rem;

li {
    margin-bottom: 0.5rem;

/* Accessible Headings */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-top: 1.5em;
    margin-bottom: 0.5em;

h1 {
    font-size: 2em;

h2 {
    font-size: 1.5em;

h3 {
    font-size: 1.25em;

/* Ensure proper heading hierarchy */
h2 + h1,
h3 + h2,
h4 + h3,
h5 + h4,
h6 + h5 {
    margin-top: 0;

/* Accessible Links */
a {
    color: var(--color-info, #4a90e2);
    text-decoration: underline;

a:hover,
a:focus {
    text-decoration: none;
    outline: 2px solid var(--color-info, #4a90e2);
    outline-offset: 2px;

a:visited {
    color: var(--color-info-light, #6ba3e8);

/* Accessible Buttons */
button {
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;

button:disabled {
    cursor: not-allowed;
    opacity: 0.6;

/* Accessible Images */
img {
    max-width: 100%;
    height: auto;

img[alt=""] {
    border: 2px dashed var(--color-border, #333);

/* Accessible Icons */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: middle;

.icon[aria-label] {
    /* Icon has accessible label */

.icon:not([aria-label]):not([alt]) {
    /* Decorative icon - hide from screen readers */
    aria-hidden: true;

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