/**
 * minCore Accessibility Styles
 * Native a11y features - because everyone deserves to browse the web (WCAG 2.1 AAA)
 *
 * Components:
 * - Screen reader utilities (invisible but mighty)
 * - Skip links (the express lane for keyboard users)
 * - Focus management (where are we now?)
 * - StyleSwitcher (font size, line height, letter spacing, word spacing)
 * - ContrastSwitcher (5 color schemes for every eye)
 * - EasytextSwitcher (3 readability levels - from PhD to plain English)
 * - Reduced motion (gentle on sensitive vestibular systems)
 * - NoScript fallbacks (trust no one, not even JavaScript)
 * - Accessibility toolbar (the control center for personalization)
 *
 * @version 2.0.0
 * @since TYPO3 13 LTS
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
    /* Focus */
    --mincore-focus-color: #005fcc;
    --mincore-focus-width: 3px;
    --mincore-focus-offset: 2px;
    --mincore-focus-radius: 2px;

    /* Skip Links */
    --mincore-skip-link-bg: #000;
    --mincore-skip-link-color: #fff;

    /* Toolbar */
    --mincore-toolbar-bg: #f5f5f5;
    --mincore-toolbar-border: #ddd;

    /* Font Scaling (defaults) */
    --mincore-fontsize: 100%;
    --mincore-lineheight: 1.5;
    --mincore-letterspacing: 0;
    --mincore-wordspacing: 0;
}

/* ==========================================================================
   Screen Reader Only Utilities
   ========================================================================== */

.sr-only,
.mincore-sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.sr-only-focusable:focus,
.sr-only-focusable:active,
.mincore-sr-only-focusable:focus,
.mincore-sr-only-focusable:active {
    position: static !important;
    width: auto !important;
    height: auto !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
}

/* ==========================================================================
   Skip Links
   ========================================================================== */

.mincore-skip-links,
.min-skip-links {
    position: relative;
    z-index: 10000;
}

.mincore-skip-link,
.min-skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    padding: 0.75rem 1.5rem;
    background: var(--mincore-skip-link-bg);
    color: var(--mincore-skip-link-color);
    text-decoration: none;
    font-weight: 700;
    z-index: 10000;
    transition: top 0.2s ease;
    white-space: nowrap;
}

.mincore-skip-link:focus,
.min-skip-link:focus {
    top: 0;
    outline: var(--mincore-focus-width) solid var(--mincore-focus-color);
    outline-offset: var(--mincore-focus-offset);
}

/* Alternative skip-link position (right side for the rebels) */
.mincore-skip-link--right {
    left: auto;
    right: 0;
}

/* ==========================================================================
   Focus Management
   ========================================================================== */

/* Standard Focus-Visible */
:focus-visible {
    outline: var(--mincore-focus-width) solid var(--mincore-focus-color);
    outline-offset: var(--mincore-focus-offset);
    border-radius: var(--mincore-focus-radius);
}

/* Remove default focus for mouse users - keyboard focus is where it's at */
:focus:not(:focus-visible) {
    outline: none;
}

/* Keyboard navigation indicator (for browsers that missed the :focus-visible memo) */
.mincore-keyboard-nav :focus {
    outline: var(--mincore-focus-width) solid var(--mincore-focus-color);
    outline-offset: var(--mincore-focus-offset);
}

/* Focus-Trap Container */
.mincore-focus-trap {
    position: relative;
}

.mincore-focus-trap[aria-modal="true"] {
    z-index: 9999;
}

/* ==========================================================================
   StyleSwitcher - Font Size (4 levels because one size never fits all)
   ========================================================================== */

/* Normal (100%) */
html.mincore-fontsize-normal {
    --mincore-fontsize: 100%;
}

/* Large (125%) - for those who appreciate bigger things */
html.mincore-fontsize-large {
    --mincore-fontsize: 125%;
}

/* Extra large (150%) - go big or go home */
html.mincore-fontsize-xlarge {
    --mincore-fontsize: 150%;
}

/* Mega size (175%) - squinting is so last century */
html.mincore-fontsize-xxlarge {
    --mincore-fontsize: 175%;
}

/* Apply the magic */
html[class*="mincore-fontsize-"] body {
    font-size: var(--mincore-fontsize);
}

/* ==========================================================================
   StyleSwitcher - Line Height (3 levels for the breathing room you deserve)
   ========================================================================== */

/* Normal */
html.mincore-lineheight-normal {
    --mincore-lineheight: 1.5;
}

/* Relaxed - give those lines some personal space */
html.mincore-lineheight-relaxed {
    --mincore-lineheight: 1.75;
}

/* Loose - for when lines need social distancing */
html.mincore-lineheight-loose {
    --mincore-lineheight: 2.0;
}

/* Apply the breathing room */
html[class*="mincore-lineheight-"] body {
    line-height: var(--mincore-lineheight);
}

/* ==========================================================================
   StyleSwitcher - Letter Spacing (3 levels - let those letters breathe)
   ========================================================================== */

/* Normal */
html.mincore-letterspacing-normal {
    --mincore-letterspacing: 0;
}

/* Wide - personal space for letters */
html.mincore-letterspacing-wide {
    --mincore-letterspacing: 0.05em;
}

/* Wider - when letters need their own apartment */
html.mincore-letterspacing-wider {
    --mincore-letterspacing: 0.1em;
}

/* Apply the spacing */
html[class*="mincore-letterspacing-"] body {
    letter-spacing: var(--mincore-letterspacing);
}

/* ==========================================================================
   StyleSwitcher - Word Spacing (2 levels for word elbow room)
   ========================================================================== */

/* Normal */
html.mincore-wordspacing-normal {
    --mincore-wordspacing: 0;
}

/* Wide - words need personal bubbles too */
html.mincore-wordspacing-wide {
    --mincore-wordspacing: 0.1em;
}

/* Apply word spacing */
html[class*="mincore-wordspacing-"] body {
    word-spacing: var(--mincore-wordspacing);
}

/* ==========================================================================
   ContrastSwitcher - 5 color schemes (because eyes come in all sensitivities)
   ========================================================================== */

/* Default (system standard - let the OS decide) */
html.mincore-contrast-default {
    /* Uses system colors or theme colors - respecting user preferences */
}

/* System dark mode detection - we see you, night owls */
html.mincore-contrast-default[data-system-theme="dark"] {
    color-scheme: dark;
}

html.mincore-contrast-default[data-system-theme="light"] {
    color-scheme: light;
}

/* High Contrast Light */
html.mincore-contrast-high-contrast-light,
html[data-contrast="high-contrast-light"] {
    --mincore-text-color: #000;
    --mincore-bg-color: #fff;
    --mincore-link-color: #00008b;
    --mincore-link-visited: #800080;
    --mincore-border-color: #000;
    --mincore-focus-color: #0000ff;
    color-scheme: light;
}

html.mincore-contrast-high-contrast-light body,
html[data-contrast="high-contrast-light"] body {
    color: var(--mincore-text-color);
    background-color: var(--mincore-bg-color);
}

html.mincore-contrast-high-contrast-light a,
html[data-contrast="high-contrast-light"] a {
    color: var(--mincore-link-color);
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

html.mincore-contrast-high-contrast-light a:visited,
html[data-contrast="high-contrast-light"] a:visited {
    color: var(--mincore-link-visited);
}

html.mincore-contrast-high-contrast-light :focus-visible,
html[data-contrast="high-contrast-light"] :focus-visible {
    outline-width: 4px;
    outline-offset: 3px;
}

/* High Contrast Dark */
html.mincore-contrast-high-contrast-dark,
html[data-contrast="high-contrast-dark"] {
    --mincore-text-color: #fff;
    --mincore-bg-color: #000;
    --mincore-link-color: #ffff00;
    --mincore-link-visited: #ff69b4;
    --mincore-border-color: #fff;
    --mincore-focus-color: #00ffff;
    color-scheme: dark;
}

html.mincore-contrast-high-contrast-dark body,
html[data-contrast="high-contrast-dark"] body {
    color: var(--mincore-text-color);
    background-color: var(--mincore-bg-color);
}

html.mincore-contrast-high-contrast-dark a,
html[data-contrast="high-contrast-dark"] a {
    color: var(--mincore-link-color);
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

html.mincore-contrast-high-contrast-dark a:visited,
html[data-contrast="high-contrast-dark"] a:visited {
    color: var(--mincore-link-visited);
}

html.mincore-contrast-high-contrast-dark :focus-visible,
html[data-contrast="high-contrast-dark"] :focus-visible {
    outline-width: 4px;
    outline-offset: 3px;
}

/* Inverted */
html.mincore-contrast-inverted,
html[data-contrast="inverted"] {
    filter: invert(1) hue-rotate(180deg);
}

html.mincore-contrast-inverted img,
html.mincore-contrast-inverted video,
html.mincore-contrast-inverted picture,
html.mincore-contrast-inverted svg,
html[data-contrast="inverted"] img,
html[data-contrast="inverted"] video,
html[data-contrast="inverted"] picture,
html[data-contrast="inverted"] svg {
    filter: invert(1) hue-rotate(180deg);
}

/* Sepia (easy on the eyes - like a warm cup of coffee for your screen) */
html.mincore-contrast-sepia,
html[data-contrast="sepia"] {
    --mincore-text-color: #5c4b37;
    --mincore-bg-color: #f5f0e6;
    --mincore-link-color: #8b4513;
    --mincore-border-color: #c4a77d;
    filter: sepia(0.2);
}

html.mincore-contrast-sepia body,
html[data-contrast="sepia"] body {
    color: var(--mincore-text-color);
    background-color: var(--mincore-bg-color);
}

/* ==========================================================================
   EasytextSwitcher - 3 readability levels (from Shakespeare to plain talk)
   ========================================================================== */

/* Content hiding based on readability level - show only what fits the audience */
html.mincore-easytext-normal [data-mincore-text="flesch"],
html.mincore-easytext-normal [data-mincore-text="easy"],
html[data-easytext="normal"] [data-mincore-text="flesch"],
html[data-easytext="normal"] [data-mincore-text="easy"] {
    display: none !important;
}

html.mincore-easytext-flesch [data-mincore-text="normal"],
html.mincore-easytext-flesch [data-mincore-text="easy"],
html[data-easytext="flesch"] [data-mincore-text="normal"],
html[data-easytext="flesch"] [data-mincore-text="easy"] {
    display: none !important;
}

html.mincore-easytext-easy [data-mincore-text="normal"],
html.mincore-easytext-easy [data-mincore-text="flesch"],
html[data-easytext="easy"] [data-mincore-text="normal"],
html[data-easytext="easy"] [data-mincore-text="flesch"] {
    display: none !important;
}

/* Easy language mode - extra tweaks for maximum clarity */
html.mincore-easytext-easy body,
html[data-easytext="easy"] body {
    line-height: 1.8;
    letter-spacing: 0.02em;
}

html.mincore-easytext-easy p,
html[data-easytext="easy"] p {
    margin-bottom: 1.5em;
    max-width: 65ch;
}

html.mincore-easytext-easy li,
html[data-easytext="easy"] li {
    margin-bottom: 0.75em;
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

/* Respect system preference - when the user says "no dancing", we stop dancing */
@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;
    }
}

/* User-Override via JavaScript */
html.mincore-reduced-motion *,
html.mincore-reduced-motion *::before,
html.mincore-reduced-motion *::after,
html[data-reduced-motion="true"] *,
html[data-reduced-motion="true"] *::before,
html[data-reduced-motion="true"] *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
}

/* ==========================================================================
   NoScript Fallbacks
   ========================================================================== */

/* NoScript Info Box */
.min-noscript-info {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    padding: 1rem;
    margin: 1rem 0;
}

.min-noscript-info p {
    margin: 0;
    color: #856404;
}

/* Default: JS not loaded yet - patience, young padawan */
html.mincore-no-js .mincore-js-required {
    display: none;
}

/* When JS is loaded - the magic begins */
html.mincore-js-loaded .mincore-no-js-only {
    display: none;
}

/* Standard text always visible without JS - no JS, no problem */
html.mincore-no-js [data-mincore-text="normal"] {
    display: block !important;
}

html.mincore-no-js [data-mincore-text="flesch"],
html.mincore-no-js [data-mincore-text="easy"] {
    display: none !important;
}

/* ==========================================================================
   Accessibility Toolbar - Responsive
   ========================================================================== */

.mincore-a11y-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--mincore-toolbar-bg);
    border: 1px solid var(--mincore-toolbar-border);
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* Minimal variant: fixed top bar, does NOT push page content down */
.mincore-a11y-toolbar--minimal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10001;
    margin-bottom: 0;
    border-radius: 0;
    padding: 0.25rem 1rem;
    gap: 0.25rem;
    background: var(--mincore-toolbar-bg, rgba(0, 0, 0, 0.92));
    color: #fff;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mincore-a11y-toolbar--minimal .mincore-a11y-toolbar__button {
    min-width: 36px;
    min-height: 36px;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-width: 1px;
}

.mincore-a11y-toolbar__group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mincore-a11y-toolbar__label {
    font-weight: 700;
    font-size: 0.875rem;
    margin-right: 0.25rem;
    white-space: nowrap;
}

.mincore-a11y-toolbar__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    min-height: 48px;
    padding: 0.5rem 1rem;
    border: 2px solid currentColor;
    background: transparent;
    color: inherit;
    border-radius: 4px;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.mincore-a11y-toolbar__button:hover {
    background: rgba(0, 0, 0, 0.1);
}

.mincore-a11y-toolbar__button:focus-visible {
    outline: var(--mincore-focus-width) solid var(--mincore-focus-color);
    outline-offset: var(--mincore-focus-offset);
}

.mincore-a11y-toolbar__button.is-active,
.mincore-a11y-toolbar__button[aria-pressed="true"] {
    background: var(--mincore-focus-color, #005fcc);
    color: #fff;
    border-color: var(--mincore-focus-color, #005fcc);
}

/* Toolbar Icons (optional) */
.mincore-a11y-toolbar__icon {
    width: 1.25em;
    height: 1.25em;
    margin-right: 0.25em;
}

/* Responsive Toolbar */
@media (max-width: 640px) {
    .mincore-a11y-toolbar {
        flex-direction: column;
    }

    .mincore-a11y-toolbar__group {
        width: 100%;
        justify-content: space-between;
    }

    .mincore-a11y-toolbar__label {
        width: 100%;
        margin-bottom: 0.25rem;
    }
}

/* ==========================================================================
   Language Switcher (EasyText) - Segmented Control Style
   ========================================================================== */

.mincore-language-switcher {
    display: inline-flex;
    border: 2px solid currentColor;
    border-radius: 4px;
    overflow: hidden;
}

.mincore-language-switcher__button {
    padding: 0.5rem 1rem;
    min-height: 48px;
    border: none;
    border-right: 1px solid currentColor;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    transition: background-color 0.2s ease;
}

.mincore-language-switcher__button:last-child {
    border-right: none;
}

.mincore-language-switcher__button:hover {
    background: rgba(0, 0, 0, 0.1);
}

.mincore-language-switcher__button.is-active,
.mincore-language-switcher__button[aria-pressed="true"] {
    background: currentColor;
    color: var(--mincore-bg-color, #fff);
}

/* ==========================================================================
   Contrast Themes Integration (Windows High Contrast mode support)
   ========================================================================== */

/* System High Contrast Mode (Windows) */
@media (forced-colors: active) {
    .mincore-skip-link:focus,
    .mincore-a11y-toolbar__button:focus-visible,
    :focus-visible {
        outline: 3px solid CanvasText;
        outline-offset: 3px;
    }

    .mincore-a11y-toolbar__button.is-active {
        background: Highlight;
        color: HighlightText;
        forced-color-adjust: none;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .mincore-skip-links,
    .mincore-a11y-toolbar,
    .mincore-language-switcher {
        display: none !important;
    }

    /* Show all text variants when printing - trees may suffer, but clarity wins */
    [data-mincore-text] {
        display: block !important;
    }

    [data-mincore-text]::before {
        content: "[" attr(data-mincore-text) "] ";
        font-weight: 700;
        font-size: 0.875em;
    }

    /* Reset Contrast Filter */
    html[data-contrast] {
        filter: none !important;
    }

    html[data-contrast] body {
        color: #000 !important;
        background: #fff !important;
    }
}

/* ==========================================================================
   Dark Mode Support (for those who work after sunset)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    html.mincore-contrast-default {
        --mincore-toolbar-bg: #1a1a1a;
        --mincore-toolbar-border: #333;
    }

    html.mincore-contrast-default .min-noscript-info {
        background: #332600;
        border-color: #665200;
        color: #ffd700;
    }

    html.mincore-contrast-default .min-noscript-info p {
        color: #ffd700;
    }
}