:root {
    /* ألوان الوضع العادي */
    --a11y-primary-color: #4db6ac;
    --a11y-primary-light: #80cbc4;
    --a11y-primary-dark: #00897b;
    --a11y-bg-color: #ffffff;
    --a11y-bg-color-secondary: #f8f9fa;
    --a11y-text-color: #333333;
    --a11y-text-color-secondary: #666666;
    --a11y-border-color: #e0e0e0;
    --a11y-button-hover: rgba(77, 182, 172, 0.1);
    --a11y-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --a11y-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    --a11y-focus-outline: 2px solid #4db6ac;
    --a11y-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* قياسات وأبعاد */
    --a11y-menu-width: 420px;
    --a11y-icon-size: 24px;
    --a11y-section-margin: 24px 0;
    --a11y-section-title-size: 16px;
    --a11y-border-radius: 12px;
    --a11y-section-padding: 15px;
    --a11y-grid-gap: 12px;
    --a11y-gradient-primary: linear-gradient(135deg, #4db6ac 0%, #00897b 100%);
    
    /* ألوان النمط الليلي - متناسقة مع متغيرات style.css */
    --a11y-dark-primary-color: #7AE2CF;
    --a11y-dark-primary-light: #005F6B;
    --a11y-dark-primary-hover: #9EEADC;
    --a11y-dark-bg-color: #001E24;
    --a11y-dark-card-bg: #002F3A;
    --a11y-dark-text-primary: #E6FFFC;
    --a11y-dark-text-secondary: #B3E6DF;
    --a11y-dark-border-color: #004A54;
    --a11y-dark-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    --a11y-dark-gradient-primary: linear-gradient(135deg, #7AE2CF 0%, #00A99D 100%);
    
    /* ألوان التباين العالي */
    --a11y-high-contrast-bg: #000000;
    --a11y-high-contrast-text: #ffff00;
    --a11y-high-contrast-border: #ffffff;
    --a11y-high-contrast-focus: 3px solid #ffff00;
}

/* Accessibility Menu Container */
.a11y-menu-container {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 9999;
    font-family: 'Cairo', sans-serif;
    direction: rtl;
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0;
    transform: translateY(20px);
}

.a11y-menu-container.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Accessibility Toggle Button */
.a11y-toggle-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--a11y-gradient-primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(94, 207, 188, 0.3);
    transition: var(--a11y-transition);
    outline: none;
    position: relative;
    overflow: hidden;
    z-index: 10000;
    animation: pulse-accessibility 2s infinite;
    transform-origin: center;
}

@keyframes pulse-accessibility {
    0% {
        box-shadow: 0 4px 12px rgba(77, 182, 172, 0.3);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 4px 20px rgba(77, 182, 172, 0.5);
        transform: scale(1.05);
    }
    100% {
        box-shadow: 0 4px 12px rgba(77, 182, 172, 0.3);
        transform: scale(1);
    }
}

.a11y-toggle-btn:hover, .a11y-toggle-btn:focus {
    transform: scale(1.1);
    box-shadow: var(--a11y-shadow-hover);
}

.a11y-toggle-btn:focus-visible {
    outline: var(--a11y-focus-outline);
    outline-offset: 2px;
}

.a11y-toggle-btn i {
    font-size: var(--a11y-icon-size);
}

/* Accessibility Menu Panel */
.a11y-menu {
    position: absolute;
    bottom: 70px;
    left: 0;
    width: var(--a11y-menu-width);
    background: var(--a11y-bg-color);
    border-radius: var(--a11y-border-radius);
    box-shadow: var(--a11y-shadow);
    padding: 30px;
    display: none;
    flex-direction: column;
    border: 1px solid var(--a11y-border-color);
    backdrop-filter: blur(10px);
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.95);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    backdrop-filter: blur(5px);
}

.a11y-menu.active {
    display: flex;
    transform: translateY(0) scale(1);
    opacity: 1;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* Accessibility Menu Header */
.a11y-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--a11y-border-color);
}

.a11y-menu-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--a11y-text-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--a11y-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.a11y-menu-title::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 24px;
    background: var(--a11y-gradient-primary);
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(77, 182, 172, 0.3);
}

.a11y-close-btn {
    background: transparent;
    border: none;
    color: var(--a11y-text-color);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 50%;
    transition: var(--a11y-transition);
}

.a11y-close-btn:hover {
    background: var(--a11y-button-hover);
    transform: rotate(90deg);
}

.a11y-close-btn:focus-visible {
    outline: var(--a11y-focus-outline);
    outline-offset: 2px;
}

/* Section Styles */
.a11y-section {
    margin: var(--a11y-section-margin);
    padding: 0 5px;
}

.a11y-section-title {
    font-size: calc(var(--a11y-section-title-size) + 2px);
    font-weight: 600;
    color: var(--a11y-text-color);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    padding: 8px 16px;
    background: var(--a11y-bg-color-secondary);
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.a11y-section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 10px;
    width: 40%;
    height: 3px;
    background: var(--a11y-gradient-primary);
    border-radius: 1.5px;
}

/* Grid Options */
.a11y-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--a11y-grid-gap);
    margin-top: 15px;
    width: 100%;
}

.a11y-grid-option {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--a11y-bg-color-secondary);
    border: 1px solid var(--a11y-border-color);
    border-radius: var(--a11y-border-radius);
    padding: 18px;
    cursor: pointer;
    transition: var(--a11y-transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    min-height: 90px;
}

.a11y-grid-option:hover, .a11y-grid-option:focus {
    border-color: var(--a11y-primary-light);
    box-shadow: 0 4px 12px rgba(77, 182, 172, 0.2);
    transform: translateY(-3px);
}

.a11y-grid-option:active {
    transform: translateY(1px);
    box-shadow: 0 2px 5px rgba(77, 182, 172, 0.1);
    transition: all 0.1s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.a11y-grid-option:focus-visible {
    outline: var(--a11y-focus-outline);
    outline-offset: 2px;
}

.a11y-grid-option.active {
    border-color: var(--a11y-primary-color);
    background-color: rgba(77, 182, 172, 0.1);
    box-shadow: 0 0 0 2px var(--a11y-primary-light);
}

.a11y-grid-option.active::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 20px 20px 0;
    border-color: transparent var(--a11y-primary-color) transparent transparent;
}

.a11y-grid-icon {
    margin-bottom: 8px;
    font-size: 22px;
    color: var(--a11y-primary-dark);
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, rgba(77, 182, 172, 0.2) 0%, rgba(0, 137, 123, 0.1) 100%);
    border-radius: 50%;
    margin-right: 14px;
    transition: var(--a11y-transition);
}

.a11y-grid-text {
    display: flex;
    flex-direction: column;
    font-size: 14px;
    font-weight: 500;
    width: 100%;
}

.a11y-grid-subtext {
    font-size: 11px;
    color: #666;
    margin-top: 2px;
}

.a11y-bold-icon,
.a11y-line-height-icon,
.a11y-letter-spacing-icon {
    font-weight: bold;
    font-size: 20px;
}

/* Accessibility Color Options */
.a11y-color-options {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    padding: 5px;
    justify-content: space-between;
    width: 100%;
}

.a11y-color-option {
    width: 130px;
    height: 90px;
    border-radius: var(--a11y-border-radius);
    border: 2px solid var(--a11y-border-color);
    background: var(--a11y-bg-color-secondary);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--a11y-transition);
    padding: 16px;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.a11y-color-option:hover {
    transform: scale(1.05) translateY(-2px);
    border-color: var(--a11y-primary-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background-color: var(--a11y-button-hover);
}

.a11y-color-option:focus-visible {
    outline: var(--a11y-focus-outline);
    outline-offset: 2px;
}

.a11y-color-option.active::after {
    content: '✓';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 16px;
    color: var(--a11y-primary-color);
    font-weight: bold;
}

.a11y-color-icon {
    font-size: 24px;
    color: #333;
}

#a11y-color-contrast {
    background: linear-gradient(135deg, #fff 50%, #000 50%);
}

#a11y-color-light {
    background: #fff;
}

#a11y-color-dark {
    background: #333;
}

#a11y-color-dark .a11y-color-icon {
    color: #fff;
}

/* Toggle Switch */
.a11y-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.a11y-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.a11y-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--a11y-transition);
    border-radius: 34px;
}

.a11y-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--a11y-transition);
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

input:checked + .a11y-slider {
    background-color: var(--a11y-primary-color);
}

input:focus + .a11y-slider {
    box-shadow: 0 0 1px var(--a11y-primary-color);
}

input:checked + .a11y-slider:before {
    transform: translateX(24px);
}

/* New Features Styles */

/* Focus Indicator */
.focus-indicator {
    outline: var(--a11y-focus-outline) !important;
    outline-offset: 3px !important;
}

/* Stop Animations */
.stop-animations * {
    animation: none !important;
    transition: none !important;
}

/* Reading Guide */
.reading-guide-active {
    position: relative;
}

.reading-guide {
    position: absolute;
    height: 30px;
    background-color: rgba(14, 190, 126, 0.1);
    border-top: 2px solid var(--a11y-primary-color);
    border-bottom: 2px solid var(--a11y-primary-color);
    width: 100%;
    z-index: 9998;
    pointer-events: none;
    transition: top 0.1s ease;
}

/* أنماط إمكانية الوصول */

/* وضع التباين العالي - تم تحسينه ليكون أكثر تناسقاً */
.high-contrast {
    background-color: var(--a11y-high-contrast-bg) !important;
    color: var(--a11y-high-contrast-text) !important;
}

.high-contrast .a11y-menu {
    background-color: var(--a11y-high-contrast-bg) !important;
    border-color: var(--a11y-high-contrast-border) !important;
    box-shadow: 0 0 0 2px var(--a11y-high-contrast-border) !important;
}

.high-contrast .a11y-section-title {
    color: var(--a11y-high-contrast-text) !important;
    border-color: var(--a11y-high-contrast-border) !important;
}

.high-contrast .a11y-option {
    background-color: var(--a11y-high-contrast-bg) !important;
    border-color: var(--a11y-high-contrast-border) !important;
}

.high-contrast .a11y-option:hover {
    outline: var(--a11y-high-contrast-focus) !important;
}

.high-contrast .a11y-toggle-switch {
    background-color: #333 !important;
    border: 2px solid var(--a11y-high-contrast-border) !important;
}

.high-contrast .a11y-toggle-switch.active {
    background-color: var(--a11y-high-contrast-text) !important;
}

.high-contrast a, .high-contrast button {
    color: #00ffff !important;
    text-decoration: underline !important;
}

.high-contrast img {
    filter: grayscale(100%) contrast(150%) !important;
}

.high-contrast .a11y-toggle-btn {
    background-color: var(--a11y-high-contrast-bg) !important;
    border: 2px solid var(--a11y-high-contrast-border) !important;
}

.high-contrast .a11y-toggle-btn:hover {
    outline: var(--a11y-high-contrast-focus) !important;
}

.high-contrast .a11y-toggle-btn i {
    color: var(--a11y-high-contrast-text) !important;
}

/* الوضع الداكن - تم تحسينه ليكون أكثر تناسقاً */
.dark-mode {
    background-color: var(--a11y-dark-bg-color) !important;
    color: var(--a11y-dark-text-primary) !important;
}

.dark-mode .a11y-menu {
    background-color: var(--a11y-dark-card-bg) !important;
    border-color: var(--a11y-dark-border-color) !important;
    box-shadow: var(--a11y-dark-shadow) !important;
}

.dark-mode .a11y-menu-title {
    background: var(--a11y-dark-gradient-primary) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
}

.dark-mode .a11y-section-title {
    color: var(--a11y-dark-primary-color) !important;
    border-color: var(--a11y-dark-border-color) !important;
}

.dark-mode .a11y-option {
    background-color: var(--a11y-dark-card-bg) !important;
    border-color: var(--a11y-dark-border-color) !important;
}

.dark-mode .a11y-option:hover {
    background-color: var(--a11y-dark-primary-light) !important;
}

.dark-mode .a11y-toggle-switch {
    background-color: var(--a11y-dark-primary-light) !important;
}

.dark-mode .a11y-toggle-switch.active {
    background-color: var(--a11y-dark-primary-color) !important;
}

.dark-mode a, .dark-mode button {
    color: var(--a11y-dark-primary-color) !important;
}

.dark-mode .a11y-toggle-btn {
    background-color: var(--a11y-dark-card-bg) !important;
    box-shadow: var(--a11y-dark-shadow) !important;
}

.dark-mode .a11y-toggle-btn:hover {
    background-color: var(--a11y-dark-primary-light) !important;
}

.dark-mode .a11y-toggle-btn i {
    color: var(--a11y-dark-primary-color) !important;
}

/* خط القراءة */
.reading-font {
    font-family: 'Open Sans', 'Arial', sans-serif !important;
    letter-spacing: 0.05em !important;
    word-spacing: 0.1em !important;
}

/* تنسيق الصوت على الروابط */
.links-sound a {
    position: relative;
    padding-right: 20px;
}

.links-sound a::after {
    content: '🔊';
    font-size: 14px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

/* تنسيق الصوت على العناوين */
.headers-sound h1, .headers-sound h2, .headers-sound h3, .headers-sound h4, .headers-sound h5, .headers-sound h6 {
    position: relative;
    padding-right: 25px;
}

.headers-sound h1::after, .headers-sound h2::after, .headers-sound h3::after, .headers-sound h4::after, .headers-sound h5::after, .headers-sound h6::after {
    content: '\f028';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 16px;
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--a11y-primary-color);
}

/* سماكة الخط */
.bold-font * {
    font-weight: bold !important;
}

/* مؤشر التركيز */
.focus-indicator *:focus {
    outline: 3px solid var(--a11y-primary-color) !important;
    outline-offset: 3px !important;
}

/* إيقاف الرسوم المتحركة */
.stop-animations * {
    animation: none !important;
    transition: none !important;
}

/* دليل القراءة */
.a11y-reading-guide-bar {
    position: fixed;
    left: 0;
    width: 100%;
    height: 32px;
    background: linear-gradient(90deg, rgba(77, 182, 172, 0.05) 0%, rgba(77, 182, 172, 0.2) 50%, rgba(77, 182, 172, 0.05) 100%);
    border-top: 2px solid var(--a11y-primary-color);
    border-bottom: 2px solid var(--a11y-primary-color);
    z-index: 9998;
    pointer-events: none;
    display: none;
    box-shadow: 0 0 15px rgba(77, 182, 172, 0.3);
    backdrop-filter: blur(1px);
}

/* تحسين أيقونات الألوان */
.a11y-color-icon {
    font-size: 24px;
    margin-bottom: 5px;
}

.a11y-color-label {
    font-size: 14px;
    font-weight: 500;
}

/* ارتفاع السطر */
.increased-line-height {
    line-height: 1.8 !important;
}

.increased-line-height p, .increased-line-height div, .increased-line-height span, .increased-line-height a {
    line-height: 1.8 !important;
}

/* تباعد الحروف */
.increased-letter-spacing {
    letter-spacing: 0.12em !important;
}

.increased-letter-spacing p, .increased-letter-spacing div, .increased-letter-spacing span, .increased-letter-spacing a {
    letter-spacing: 0.12em !important;
}