:root {
    --body-font: "Georgia", "Times New Roman", serif;
    --sans-font: "Helvetica Neue", Arial, sans-serif;
    --mono-font: "Courier New", monospace;

    --text-color: #e0e0e0;
    --bg-color: #1a1a1a;
    --link-color: #6ea8fe;
    --link-hover-color: #9ec5fe;
    --border-color: #404040;
    --heading-color: #fff;
    --max-width: 900px;
}

body {
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 2rem;
    display: flex;
    justify-content: center;
}

#wrapper {
    max-width: var(--max-width);
    width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--sans-font);
    color: var(--heading-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

p {
    margin: 1rem 0;
}

ul, ol {
    margin: 1rem 0 1rem 2rem;
}

pre, code {
    font-family: var(--mono-font);
    background-color: #2a3f54;
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

pre {
    padding: 1em;
    overflow-x: auto;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 1rem 0;
    font-size: 0.95em;
}

th, td {
    border: 1px solid var(--border-color);
    padding: 0.5em 1em;
    text-align: left;
}

blockquote {
    border-left: 4px solid #ddd;
    padding-left: 1em;
    color: #555;
    margin: 1em 0;
    font-style: italic;
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 2rem 0;
}

/* Responsive touch-up */
@media (max-width: 600px) {
    body {
        padding: 1rem;
    }

    table, thead, tbody, th, td, tr {
        display: block;
    }

    th {
        background-color: #383838;
    }

    td {
        border: none;
        position: relative;
        padding-left: 50%;
    }

    td::before {
        position: absolute;
        top: 0;
        left: 0;
        width: 45%;
        padding-left: 0.5em;
        white-space: nowrap;
        font-weight: bold;
    }
}