/* Accessibility Toolbar Base Styles */
:root {
    --toolbar-bg: #ffffff;
    --toolbar-border: #dddddd;
    --toolbar-shadow: rgba(0, 0, 0, 0.1);
    --button-bg: #f5f5f5;
    --button-hover-bg: #e0e0e0;
    --button-active-bg: #d0d0d0;
    --button-disabled-bg: #f0f0f0;
    --button-disabled-color: #999999;
    --icon-color: #333333;
    --toolbar-width: 200px;
}

/* Accessibility Float Button */
.accessibility-float-button {
    position: fixed;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    background: #1159B7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    border: none;
    transition: background-color 0.3s ease;
}
.accessibility-float-button:hover {
    background: #0D47A1;
}

.accessibility-float-button svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.accessibility-toolbar {
    position: fixed;
    left: -250px; /* Start hidden */
    top: 50%;
    transform: translateY(-50%);
    width: 250px;
    background: #ffffff;
    border: 1px solid #dddddd;
    border-radius: 0 5px 5px 0;
    padding: 15px;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 99999;
    transition: left 0.3s ease;
}
.accessibility-toolbar.show {
    position: fixed !important;
    left: 0;
    top: 50%;

}

.accessibility-toolbar.collapsed {
    transform: translateX(calc(-1 * var(--toolbar-width) + 40px));
}

.accessibility-toolbar button {
    display: block;
    width: 100%;
    padding: 8px 12px;
    margin: 5px 0;
    border: 1px solid var(--toolbar-border);
    border-radius: 4px;
    background: var(--button-bg);
    cursor: pointer;
    text-align: left;
    font-size: 14px !important;
    line-height: 1.5;
    transition: all 0.2s ease;
    position: relative;
    color: #333;
}

.accessibility-toolbar button:hover {
    background: var(--button-hover-bg);
}

.accessibility-toolbar button.active {
    background: var(--button-active-bg);
    font-weight: bold;
}

.accessibility-toolbar button.disabled {
    background: var(--button-disabled-bg);
    color: var(--button-disabled-color);
    cursor: not-allowed;
}

.accessibility-toolbar .icon {
    display: inline-block;
    width: 20px;
    margin-right: 8px;
    text-align: center;
    color: var(--icon-color);
}

/* Accessibility Feature Styles */
.high-contrast {
    background-color: #000000 !important;
    color: #ffffff !important;
}

.high-contrast a {
    color: #ffff00 !important;
}

.high-contrast button {
    background-color: #333333 !important;
    color: #ffffff !important;
    border: 1px solid #ffffff !important;
}

.grayscale {
    filter: grayscale(100%) !important;
    -webkit-filter: grayscale(100%) !important;
}

.negative-contrast {
    /* position:fixed !important; */
    filter: invert(100%) !important;
    -webkit-filter: invert(100%) !important;
    background-color: #ffffff !important;
}

.light-background {
    background-color: #ffffff !important;
    color: #000000 !important;
}

.light-background a {
    color: #0000ff !important;
}

.underline-links a {
    text-decoration: underline !important;
}

.readable-font {
    font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif !important;
    line-height: 1.5 !important;
    letter-spacing: 0.12em !important;
    word-spacing: 0.16em !important;
}

/* Mobile Responsiveness */
@media screen and (max-width: 768px) {
    .accessibility-toolbar {
        --toolbar-width: 180px;
    }
    .accessibility-float-button {
        width: 40px;
        height: 40px;
    }
    
    .accessibility-float-button svg {
        width: 20px;
        height: 20px;
    }
}

@media screen and (max-width: 480px) {
    .accessibility-toolbar {
        --toolbar-width: 160px;
    }
    
    .accessibility-toolbar button {
        padding: 6px 10px;
        font-size: 12px !important;
    }
}

/* Print Styles */
@media print {
    .accessibility-toolbar {
        display: none !important;
    }
}

/* Animation Styles */
.accessibility-toolbar button {
    transform-origin: left center;
}

.accessibility-toolbar button:active {
    transform: scale(0.98);
}

/* Focus Styles */
.accessibility-toolbar button:focus {
    outline: 2px solid #4A90E2;
    outline-offset: -2px;
}

/* Keyboard Navigation Styles */
.accessibility-toolbar button:focus-visible {
    outline: 3px solid #4A90E2;
    outline-offset: -3px;
}