/* Print / PDF styles for The BioLang Programming Language
   mdbook-pdf renders print.html using the Light theme.
   Code blocks need strong contrast for readability on paper/PDF. */
@media print {
    /* Code blocks: solid light gray background, dark text, visible border */
    pre {
        background: #f3f4f6 !important;
        border: 1px solid #d1d5db !important;
        border-radius: 4px !important;
        padding: 0.8em 1em !important;
        page-break-inside: avoid;
    }

    pre code,
    pre .hljs {
        color: #1f2937 !important;
        background: transparent !important;
        font-size: 9pt !important;
    }

    /* Inline code: distinct background */
    :not(pre) > code,
    :not(pre) > .hljs {
        background: #e5e7eb !important;
        color: #111827 !important;
        padding: 0.1em 0.3em !important;
        border-radius: 3px !important;
        font-size: 0.9em !important;
    }

    /* Headings: solid black */
    h1, h2, h3, h4, h5, h6 {
        color: #000 !important;
        page-break-after: avoid;
    }

    /* Body text: solid dark */
    body, p, li, td, th, dd, dt, blockquote {
        color: #1f2937 !important;
    }

    /* Links: dark text for print */
    a {
        color: #1f2937 !important;
        text-decoration: none !important;
    }

    /* Tables: clear borders */
    table {
        border-collapse: collapse !important;
    }
    th, td {
        border: 1px solid #d1d5db !important;
        padding: 0.4em 0.6em !important;
    }
    th {
        background: #e5e7eb !important;
        font-weight: 600 !important;
    }

    /* Blockquotes: visible border */
    blockquote {
        border-left: 3px solid #9ca3af !important;
        padding-left: 1em !important;
        color: #374151 !important;
        background: #f9fafb !important;
    }

    /* Page breaks: each chapter starts on a new page */
    h1 {
        page-break-before: always;
    }
    .content > h1:first-child {
        page-break-before: avoid;
    }
}