/* System font stack for maximum readability */
:root {
    /* Sans-serif for body text - uses system default */
    --sans-serif-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

    /* Serif for emphasis (optional, can keep as sans-serif too) */
    --serif-font: Georgia, Cambria, "Times New Roman", Times, serif;

    /* Monospace for code - Fira Code for better alignment */
    --code-font: "Fira Code", "Fira Mono", monospace;
}

/* Improve readability - responsive font size */
body {
    line-height: 1.7;
    font-size: 17px;  /* Increased from 16px for better mobile readability */
}

/* Larger font on desktop */
@media (min-width: 768px) {
    body {
        font-size: 18px;
    }
}

/* Better spacing for paragraphs */
article p {
    margin-bottom: 1.5em;
}

/* Optimal line length for readability (60-75 characters) */
article {
    max-width: 70ch;
}

/* Make code blocks more readable */
code {
    font-size: 0.9em;
    line-height: 1.5;
}

pre code {
    font-size: 0.85em;
    line-height: 1.6;
}

/* Better mobile readability */
@media (max-width: 767px) {
    body {
        line-height: 1.6;
    }

    article {
        max-width: 100%;
    }
}

/* Related posts section */
.related-posts {
    margin-top: 3em;
    padding-top: 2em;
    border-top: 1px solid var(--divider, #e0e0e0);
}

.related-posts h2 {
    font-size: 1.5em;
    margin-bottom: 1em;
    font-weight: 600;
}

.related-posts ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-posts li {
    margin-bottom: 1.5em;
    padding: 0;
}

.related-posts a {
    font-size: 1.1em;
    font-weight: 450;
    text-decoration: none;
    color: #000;
    display: block;
    margin-bottom: 0.25em;
}

.related-posts a:hover {
    text-decoration: underline;
}

.related-posts p {
    margin: 0.25em 0 0 0;
    font-size: 0.9em;
    color: var(--text-secondary, #555);
    line-height: 1.5;
}