/* Accessibility Button */
#accessibilityBtn {
    position: fixed;
    bottom: 50px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #2050b3;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    border: 2px solid white;
    transition: transform 0.3s, background-color 0.3s;
}

#accessibilityBtn:hover {
    transform: scale(1.1);
    background-color: #1a3f8e;
}

/* Accessibility Menu */
#accessibilityMenu {
    position: fixed;
    bottom: 120px;
    right: 20px;
    width: 300px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    padding: 20px;
    z-index: 999;
    display: none;
    max-height: 80vh;
    overflow-y: auto;
}

#accessibilityMenu.active {
    display: block;
}

#accessibilityMenu h3 {
    margin-top: 0;
    text-align: center;
    color: #2050b3;
    font-size: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 15px;
}

/* Option Groups */
.option-group {
    margin-bottom: 20px;
}

.option-group h4 {
    margin-top: 0;
    margin-bottom: 12px;
    color: #333;
    font-size: 16px;
}

/* Pretty Buttons */
.option-btn {
    display: inline-block;
    padding: 8px 12px;
    margin-right: 8px;
    margin-bottom: 8px;
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: #333;
}

.option-btn:hover {
    background-color: #e9e9e9;
    border-color: #ccc;
}

.option-btn.active {
    background-color: #2050b3;
    color: white;
    border-color: #0d3d8e;
}

/* Reset button */
#resetBtn {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #f44336;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
    font-weight: bold;
    transition: background-color 0.2s;
}

#resetBtn:hover {
    background-color: #d32f2f;
}

/* Applied styles */
body.high-contrast {
    background-color: black;
    color: white;
}

body.high-contrast h1,
body.high-contrast h2,
body.high-contrast h3,
body.high-contrast h4 {
    color: yellow;
}

body.high-contrast a {
    color: #00ccff;
}

body.yellow-black {
    background-color: black;
    color: yellow;
}

body.yellow-black a {
    color: #ffff00;
    text-decoration: underline;
}

body.black-yellow {
    background-color: yellow;
    color: black;
}

body.large-text {
    font-size: 18px;
}

body.larger-text {
    font-size: 20px;
}

body.largest-text {
    font-size: 24px;
}

body.increased-spacing {
    line-height: 2;
    letter-spacing: 1px;
}

body.wider-spacing {
    line-height: 2.5;
    letter-spacing: 2px;
}

body.highlight-links a {
    background-color: yellow;
    color: blue;
    text-decoration: underline;
    padding: 0 3px;
}

body.highlight-titles h1,
body.highlight-titles h2,
body.highlight-titles h3,
body.highlight-titles h4,
body.highlight-titles h5,
body.highlight-titles h6 {
    background-color: #ffff99;
    padding: 5px;
}

body.reading-guide {
    position: relative;
}

#reading-guide-line {
    position: fixed;
    left: 0;
    height: 30px;
    width: 100%;
    background-color: rgba(255, 255, 0, 0.2);
    pointer-events: none;
    z-index: 1000;
    display: none;
}