/* =========================================
   RayLink Accessibility Controls
   IS 5568 Compliant Accessibility Features
   RTL-First (Hebrew)
   ========================================= */

/* === Accessibility Control Variables === */
:root {
    /* Accessibility-specific colors */
    --a11y-bg-high-contrast: #000000;
    --a11y-text-high-contrast: #ffffff;
    --a11y-focus-high-contrast: #ffff00;
    --a11y-link-high-contrast: #00ffff;

    /* Text size multipliers */
    --text-size-multiplier-normal: 1;
    --text-size-multiplier-medium: 1.2;
    --text-size-multiplier-large: 1.5;

    /* Focus indicators */
    --a11y-focus-width: 3px;
    --a11y-focus-offset: 2px;

    /* Skip link styles */
    --skip-link-top: -40px;
}

/* === Accessibility Controls Toggle === */
.accessibility-toggle {
    position: fixed;
    bottom: var(--space-4);
    left: var(--space-4);
    z-index: var(--z-modal);
    /* Hidden in favor of Taskbar icon */
    display: none;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary-500);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    font-size: 20px;
}

.accessibility-toggle:hover {
    background: var(--color-primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.accessibility-toggle:focus-visible {
    outline: 3px solid var(--border-focus);
    outline-offset: 2px;
}

.accessibility-toggle--active {
    background: var(--color-success-500);
}

/* === Accessibility Panel === */
.accessibility-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 360px;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-xl);
    z-index: calc(var(--z-modal) + 10);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    direction: rtl;
}

.accessibility-panel--open {
    transform: translateX(0);
}

.accessibility-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--color-neutral-50);
}

.accessibility-panel__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.accessibility-panel__close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.accessibility-panel__close:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

.accessibility-panel__close:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.accessibility-panel__body {
    padding: var(--space-5);
}

/* === Accessibility Settings Groups === */
.accessibility-group {
    margin-bottom: var(--space-6);
}

.accessibility-group:last-child {
    margin-bottom: 0;
}

.accessibility-group__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.accessibility-group__title::before {
    content: '⚙️';
    font-size: 18px;
}

/* === Accessibility Controls === */
.accessibility-control {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.accessibility-control:last-child {
    border-bottom: none;
}

.accessibility-control__label {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    flex: 1;
    padding-right: var(--space-2);
}

.accessibility-control__description {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* === Toggle Switches === */
.accessibility-switch {
    position: relative;
    width: 48px;
    height: 24px;
    background: var(--color-neutral-300);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.accessibility-switch--active {
    background: var(--color-success-500);
}

.accessibility-switch__thumb {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.accessibility-switch--active .accessibility-switch__thumb {
    transform: translateX(-24px);
}

/* === Size Controls === */
.accessibility-size-control {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.accessibility-size-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 14px;
}

.accessibility-size-btn:hover {
    background: var(--bg-surface-hover);
    border-color: var(--border-focus);
}

.accessibility-size-btn:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.accessibility-size-btn--active {
    background: var(--color-primary-500);
    color: var(--text-inverse);
    border-color: var(--color-primary-500);
}

.accessibility-size-indicator {
    min-width: 60px;
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

/* === Overlay === */
.accessibility-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition-normal);
}

.accessibility-overlay--visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* === High Contrast Mode === */
[data-a11y-high-contrast="true"] {
    --bg-page: var(--a11y-bg-high-contrast);
    --bg-surface: var(--a11y-bg-high-contrast);
    --text-primary: var(--a11y-text-high-contrast);
    --text-secondary: var(--a11y-text-high-contrast);
    --text-tertiary: var(--a11y-text-high-contrast);
    --text-link: var(--a11y-link-high-contrast);
    --border-subtle: var(--a11y-text-high-contrast);
    --border-default: var(--a11y-text-high-contrast);
    --border-strong: var(--a11y-text-high-contrast);
    --border-focus: var(--a11y-focus-high-contrast);

    /* Remove shadows and gradients in high contrast */
    --shadow-xs: none;
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    --shadow-xl: none;
}

/* === Text Size Adjustments === */
[data-a11y-text-size="medium"] {
    --font-size-base: calc(1rem * var(--text-size-multiplier-medium));
    --font-size-sm: calc(0.875rem * var(--text-size-multiplier-medium));
    --font-size-lg: calc(1.125rem * var(--text-size-multiplier-medium));
    --font-size-xl: calc(1.25rem * var(--text-size-multiplier-medium));
    --font-size-2xl: calc(1.5rem * var(--text-size-multiplier-medium));
    --font-size-3xl: calc(1.875rem * var(--text-size-multiplier-medium));
    --font-size-4xl: calc(2.25rem * var(--text-size-multiplier-medium));
}

[data-a11y-text-size="large"] {
    --font-size-base: calc(1rem * var(--text-size-multiplier-large));
    --font-size-sm: calc(0.875rem * var(--text-size-multiplier-large));
    --font-size-lg: calc(1.125rem * var(--text-size-multiplier-large));
    --font-size-xl: calc(1.25rem * var(--text-size-multiplier-large));
    --font-size-2xl: calc(1.5rem * var(--text-size-multiplier-large));
    --font-size-3xl: calc(1.875rem * var(--text-size-multiplier-large));
    --font-size-4xl: calc(2.25rem * var(--text-size-multiplier-large));
}

/* === Enhanced Focus Styles === */
[data-a11y-enhanced-focus="true"] *:focus-visible {
    outline: var(--a11y-focus-width) solid var(--border-focus);
    outline-offset: var(--a11y-focus-offset);
}

/* Enhanced keyboard navigation indicators */
[data-a11y-enhanced-focus="true"] a:focus-visible,
[data-a11y-enhanced-focus="true"] button:focus-visible,
[data-a11y-enhanced-focus="true"] input:focus-visible,
[data-a11y-enhanced-focus="true"] select:focus-visible,
[data-a11y-enhanced-focus="true"] textarea:focus-visible {
    background-color: var(--color-primary-50);
    transform: scale(1.02);
}

/* === Screen Reader Optimizations === */
[data-a11y-screen-reader="true"] .sr-only {
    position: static !important;
    width: auto !important;
    height: auto !important;
    padding: var(--space-2) !important;
    margin: var(--space-1) 0 !important;
    overflow: visible !important;
    clip: auto !important;
    border: 1px solid var(--border-focus) !important;
    background: var(--color-warning-50) !important;
}

/* === Reduced Motion === */
[data-a11y-reduced-motion="true"] *,
[data-a11y-reduced-motion="true"] *::before,
[data-a11y-reduced-motion="true"] *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
}

/* === Increased Spacing === */
[data-a11y-increased-spacing="true"] {
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 2.5rem;
    --space-6: 3rem;
    --space-8: 4rem;
    --space-10: 5rem;
    --space-12: 6rem;
    --space-16: 8rem;

    --line-height-tight: 1.4;
    --line-height-normal: 1.7;
    --line-height-relaxed: 1.8;
}

[data-a11y-increased-spacing="true"] p,
[data-a11y-increased-spacing="true"] li {
    margin-bottom: var(--space-4);
}

[data-a11y-increased-spacing="true"] h1,
[data-a11y-increased-spacing="true"] h2,
[data-a11y-increased-spacing="true"] h3,
[data-a11y-increased-spacing="true"] h4 {
    margin-bottom: var(--space-6);
}

/* === Readable Font === */
[data-a11y-readable-font="true"] {
    --font-family: 'Open Sans', 'Arial', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

[data-a11y-readable-font="true"] body {
    font-family: var(--font-family);
    letter-spacing: 0.02em;
}

[data-a11y-readable-font="true"] h1,
[data-a11y-readable-font="true"] h2,
[data-a11y-readable-font="true"] h3,
[data-a11y-readable-font="true"] h4,
[data-a11y-readable-font="true"] h5,
[data-a11y-readable-font="true"] h6 {
    font-family: var(--font-family);
    letter-spacing: 0.01em;
}

/* === Large Mouse Targets === */
[data-a11y-large-mouse="true"] button,
[data-a11y-large-mouse="true"] a,
[data-a11y-large-mouse="true"] input,
[data-a11y-large-mouse="true"] select,
[data-a11y-large-mouse="true"] textarea {
    min-width: 44px !important;
    min-height: 44px !important;
    padding: 12px 16px !important;
}

[data-a11y-large-mouse="true"] .btn-icon {
    min-width: 48px !important;
    min-height: 48px !important;
}

/* === Reading Mode === */
[data-a11y-reading-mode="true"] {
    background: #fff !important;
    color: #000 !important;
    font-family: Georgia, serif !important;
    line-height: 1.8 !important;
    max-width: 800px !important;
    margin: 0 auto !important;
    padding: 40px !important;
}

[data-a11y-reading-mode="true"] * {
    background: transparent !important;
    color: inherit !important;
    box-shadow: none !important;
    border: none !important;
    text-shadow: none !important;
}

[data-a11y-reading-mode="true"] img,
[data-a11y-reading-mode="true"] video,
[data-a11y-reading-mode="true"] .accessibility-toggle,
[data-a11y-reading-mode="true"] .accessibility-panel,
[data-a11y-reading-mode="true"] header,
[data-a11y-reading-mode="true"] footer,
[data-a11y-reading-mode="true"] nav {
    display: none !important;
}

[data-a11y-reading-mode="true"] main,
[data-a11y-reading-mode="true"] article,
[data-a11y-reading-mode="true"] section {
    display: block !important;
}

/* === Enhanced Click Targets === */
[data-a11y-large-mouse="true"] .card:hover,
[data-a11y-large-mouse="true"] .feature-card:hover {
    transform: scale(1.02);
    cursor: pointer;
}

[data-a11y-large-mouse="true"] input[type="checkbox"],
[data-a11y-large-mouse="true"] input[type="radio"] {
    min-width: 24px !important;
    min-height: 24px !important;
}

/* === Focus Management === */
[data-a11y-large-mouse="true"] *:focus {
    outline: 3px solid var(--color-primary-500) !important;
    outline-offset: 2px !important;
}

/* === Keyboard Navigation === */
.accessibility-panel:focus-within {
    outline: 2px solid var(--border-focus);
    outline-offset: -2px;
}

/* === Skip Links === */
.skip-link {
    position: absolute;
    top: var(--skip-link-top);
    right: var(--space-4);
    background: var(--color-primary-500);
    color: var(--color-neutral-0);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    z-index: var(--z-header);
    transition: var(--transition-normal);
}

.skip-link:focus {
    top: var(--space-4);
}

/* High contrast skip link */
[data-a11y-high-contrast="true"] .skip-link {
    background: var(--a11y-text-high-contrast);
    color: var(--a11y-bg-high-contrast);
    border: 2px solid var(--a11y-text-high-contrast);
}

/* Backward compatibility */
.accessibility-skip-link {
    position: absolute;
    top: -40px;
    right: var(--space-4);
    background: var(--color-primary-500);
    color: var(--text-inverse);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    text-decoration: none;
    z-index: var(--z-header);
    transition: top var(--transition-fast);
}

.accessibility-skip-link:focus {
    top: var(--space-4);
}

/* === Mobile Responsive === */
@media (max-width: 768px) {
    .accessibility-panel {
        width: 100%;
        max-width: 100%;
    }

    .accessibility-toggle {
        bottom: var(--space-3);
        left: var(--space-3);
        width: 44px;
        height: 44px;
    }
}

/* === RTL Specific === */
.accessibility-panel {
    right: 0;
    left: auto;
}

.accessibility-toggle {
    left: var(--space-4);
    right: auto;
}

/* === Print Styles === */
@media print {

    .accessibility-toggle,
    .accessibility-panel,
    .accessibility-overlay {
        display: none !important;
    }
}