/**
 * ============================================================================
 * ACCESSIBILITY UTILITIES
 * WCAG 2.1 AA Compliance
 * ============================================================================
 */

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: var(--spacing-md);
    background: var(--color-primary-600);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-to-content:focus {
    top: var(--spacing-md);
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Screen reader only content */
.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;
}

/* Focus visible states */
.focus-ring:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}