/* Accessibility Styles */

/* Skip Links */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--rz-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
}

.skip-link:focus {
    top: 0;
}

/* Enhanced Focus Indicators */
.enhanced-focus *:focus,
.enhanced-focus *:focus-visible {
    outline: 3px solid var(--rz-primary) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.25) !important;
}

/* High Contrast Mode */
.high-contrast {
    filter: contrast(1.5);
}

.high-contrast * {
    border-color: #000 !important;
}

.high-contrast a {
    text-decoration: underline;
    font-weight: 600;
}

/* Color Blindness Filters */
.protanopia {
    filter: url('#protanopia-filter');
}

.deuteranopia {
    filter: url('#deuteranopia-filter');
}

.tritanopia {
    filter: url('#tritanopia-filter');
}

.achromatopsia {
    filter: grayscale(100%);
}

/* Dyslexia-Friendly Font */
.dyslexia-font,
.dyslexia-font * {
    font-family: 'OpenDyslexic', 'Comic Sans MS', Arial, sans-serif !important;
    letter-spacing: 0.05em;
    word-spacing: 0.16em;
}

/* Motion Reduction */
.reduce-motion,
.reduce-motion * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
}

.no-animations,
.no-animations * {
    animation: none !important;
    transition: none !important;
}

/* Screen Reader Only Text */
.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;
}

.sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* ARIA Live Regions */
.aria-live-polite {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Keyboard Navigation Indicators */
.keyboard-navigable:focus-within {
    box-shadow: 0 0 0 3px var(--rz-primary-lighter);
}

/* Large Touch Targets (minimum 44x44px) */
.touch-target {
    min-width: 44px;
    min-height: 44px;
}

/* Ensure sufficient color contrast */
.contrast-text {
    color: #000;
    background-color: #fff;
}

.contrast-text-inverse {
    color: #fff;
    background-color: #000;
}

/* Focus visible polyfill for older browsers */
.js-focus-visible :focus:not(.focus-visible) {
    outline: none;
}

.js-focus-visible .focus-visible {
    outline: 2px solid var(--rz-primary);
    outline-offset: 2px;
}

/* Increased line height for readability */
:root {
    --line-spacing: 1.5;
}

body {
    line-height: var(--line-spacing);
}

/* Simplified Interface Mode */
.simplified-interface .rz-card {
    box-shadow: none !important;
    border: 2px solid var(--rz-border-color);
}

.simplified-interface .gradient-bg {
    background: var(--rz-base-100) !important;
}

/* Loading indicator for screen readers */
.loading-indicator[aria-busy="true"]::after {
    content: "Loading...";
    position: absolute;
    left: -10000px;
}

/* Ensure form labels are associated */
label {
    cursor: pointer;
}

input:focus + label,
input:focus-within + label {
    font-weight: 600;
}

/* Error states */
[aria-invalid="true"] {
    border-color: var(--rz-danger) !important;
}

[aria-invalid="true"]:focus {
    outline-color: var(--rz-danger) !important;
}

/* Required field indicator */
[aria-required="true"]::after,
.required::after {
    content: "*";
    color: var(--rz-danger);
    margin-left: 0.25rem;
}

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

/* Tooltip accessibility */
[role="tooltip"] {
    position: absolute;
    background: var(--rz-base-900);
    color: white;
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    z-index: 1000;
}

/* Table accessibility */
th[scope] {
    font-weight: 600;
}

caption {
    padding: 0.5rem;
    font-weight: 600;
    text-align: left;
}

/* Link underlining for accessibility */
a:not(.rz-button) {
    text-decoration: underline;
    text-decoration-skip-ink: auto;
}

a:not(.rz-button):hover {
    text-decoration-thickness: 2px;
}

/* Print styles for accessibility */
@media print {
    .no-print {
        display: none !important;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }
}