:root {
    --side-bar-bg-color: #fafafa;
    --control-text-color: #777;
    --font-sans-serif: "Open Sans", "Clear Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-monospace: "Consolas", "Monaco", "Bitstream Vera Sans Mono", "Courier New", monospace;
}

body {
    font-family: var(--font-sans-serif);
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: white;
    margin: 0 auto;
    padding: 2rem;
    max-width: 900px;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: #333;
    line-height: 1.25;
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: bold;
}

h1 { font-size: 2.25em; padding-bottom: 0.3em; border-bottom: 1px solid #eaecef; }
h2 { font-size: 1.75em; padding-bottom: 0.3em; border-bottom: 1px solid #eaecef; }
h3 { font-size: 1.5em; }
h4 { font-size: 1.25em; }
h5 { font-size: 1em; }
h6 { font-size: 0.875em; color: #777; }

/* Links */
a {
    color: #4183C4;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* Paragraphs & Lists */
p, blockquote, ul, ol, dl, table, pre {
    margin-top: 0;
    margin-bottom: 16px;
}

ul, ol {
    padding-left: 2em;
}

/* Blockquotes */
blockquote {
    padding: 0 1em;
    color: #777;
    border-left: 0.25em solid #dfe2e5;
    background: transparent;
}

/* Tables - GitHub Style */
table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
    margin-bottom: 16px;
    display: block;
    overflow: auto;
}

table tr {
    background-color: #fff;
    border-top: 1px solid #c6cbd1;
}

table tr:nth-child(2n) {
    background-color: #f6f8fa;
}

table th, table td {
    border: 1px solid #dfe2e5;
    padding: 6px 13px;
    margin: 0;
}

table th {
    font-weight: 600;
    background-color: #f6f8fa; /* Header background usually distinct */
}

/* Code Blocks & Inline Code */
code, kbd, pre, samp {
    font-family: var(--font-monospace);
}

/* Inline code */
code {
    background-color: #f3f4f4;
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 0.9em;
    margin: 0 2px;
}

/* Block code (pre) */
pre {
    background-color: #f8f8f8;
    border: 1px solid #e7eaed;
    border-radius: 3px;
    padding: 16px;
    overflow: auto;
    line-height: 1.45;
}

pre code {
    background-color: transparent;
    padding: 0;
    margin: 0;
    border: none;
    font-size: 100%; /* Reset from inline code size */
}

/* Specific Stata classes if used */
.stlog, .stcmd {
    font-family: var(--font-monospace);
    white-space: pre-wrap;
}

/* Horizontal Rule */
hr {
    height: 0.25em;
    padding: 0;
    margin: 24px 0;
    background-color: #e7e7e7;
    border: 0;
}

/* Images */
img {
    max-width: 100%;
    box-sizing: border-box;
}

/* MathJax */
mjx-container {
    overflow-x: auto;
    overflow-y: hidden;
}