body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
    background-color: #1b1b1b;
    color: white;
}

.container {
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode .container {
    background: #333;
    color: white;
}

#toggle-dark-mode {
    margin-bottom: 20px;
    padding: 10px 20px;
    cursor: pointer;
}

#issue-container {
    margin-bottom: 20px;
}

#issue-title {
    font-size: 1.5em;
    font-weight: bold;
    font-style: italic;
}

#issue-description {
    font-size: 0.9em;
    color: #555;
    transition: color 0.3s;
}

body.dark-mode #issue-description {
    color: #bcbcbc;
}

#options-container {
    margin-bottom: 20px;
}

.option-button {
    margin: 5px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

#result {
    margin-bottom: 20px;
    font-weight: bold;
}

#score {
    margin-top: 20px;
    font-weight: bold;
}

#timer {
    margin-top: 20px;
    font-weight: bold;
}

body.dark-mode a:link {
    color: #82a6ea;
}

body.dark-mode a:visited {
    color: #df98df;
}