/* ===== CLEAN, COMPACT PRINT (Material for MkDocs) ===== */
@media print {
  /* Page + base */
  @page { size: letter;  margin: 10mm 8mm 12mm 8mm; }
  html, body { background: #fff !important; color: #000; }
  body { font-size: 10.5pt; line-height: 1.3; margin:0; padding:0; }

  /* Force light palette for print */
  :root { color-scheme: light; }
  [data-md-color-scheme] {
    --md-default-fg-color: #000;
    --md-default-bg-color: #fff;
  }

  /* Remove chrome, use full width */
  .md-header, .md-sidebar, .md-footer, .md-nav, .md-tabs { display: none !important; }
  .md-main__inner { margin: 0 !important; }
  .md-content { max-width: none !important; margin:0; padding:0; }

  /* Tighter vertical rhythm */
  .md-typeset { line-height: 1.3; }
  .md-typeset p,
  .md-typeset ul,
  .md-typeset ol,
  .md-typeset blockquote { margin: 6pt 0 !important; }
  .md-typeset li { margin: 2pt 0 !important; }

  /* Headings as clear section boundaries (less air) */
  .md-typeset h1 {
    break-before: page;
    margin: 10pt 0 6pt;
    padding-top: 4pt;
    border-top: 1.2pt solid #000;
  }
  .md-typeset h1:first-of-type { break-before: auto; border-top: none; padding-top: 0; }
  .md-typeset h2 { margin: 10pt 0 6pt; }
  .md-typeset h3 { margin: 8pt 0 4pt; }

  /* Manual page break helper */
  .page-break { 
    display: block;
    height: 0;
    margin: 0;
    padding: 0;
    break-before: page;
    page-break-before: always; /* legacy fallback */
    }

  /* ===== TABLES: compact, bordered, no inside breaks ===== */
  .md-typeset .md-typeset__table { display: block; overflow: visible !important; }
  .md-typeset table {
    width: 100% !important;
    border-collapse: collapse !important;   /* prevents double lines */
    table-layout: fixed;                    /* wrap long content */
    font-size: 9pt;                         /* smaller */
    line-height: 1.2;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  .md-typeset thead th,
  .md-typeset tbody td {
    border: 0.5pt solid #444 !important;
    padding: 2pt 4pt !important;            /* tighter cell padding */
    vertical-align: top;
    word-wrap: break-word;
    overflow-wrap: anywhere;
  }
  .md-typeset thead th { background: #f2f2f2 !important; }
  .md-typeset tr { break-inside: avoid; }   /* keep rows intact */

  /* ===== CODE BLOCKS: single border, no “weird lines”, no splits ===== */
  /* Remove any inner borders/shadows first */
  .highlight, .highlight pre, .md-typeset pre, .md-typeset pre > code {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
  }
  /* Apply one clean border on the outer pre only */
  .md-typeset pre {
    break-inside: avoid;
    page-break-inside: avoid;
    background: #fafafa !important;
    border: 0.6pt solid #444 !important;
    padding: 6pt 8pt !important;
    font-size: 9pt;             /* slightly smaller monospace */
    line-height: 1.25;
    white-space: pre-wrap;      /* allow soft wrapping over page */
    word-break: break-word;
    overflow-wrap: anywhere;
  }
  /* Inline code: compact and legible */
  .md-typeset code {
    background: #f3f3f3 !important;
    border: 0.4pt solid #bbb;
    padding: 0 1.5pt;
    font-size: 9pt;
  }

  /* Admonitions: clear but compact, kept together */
  .md-typeset .admonition,
  .md-typeset details {
    break-inside: avoid;
    page-break-inside: avoid;
    border: 0.6pt solid #444 !important;
    background: #fff !important;
    padding: 6pt 8pt !important;
    margin: 8pt 0 !important;
  }
  .md-typeset .admonition-title { font-weight: 700; margin-bottom: 3pt; }

  /* Images/figures */
  /* Scale image containers (figures) in print */
@media print {
  .md-typeset img[src$="basic_linked_list.png"],
  .md-typeset img[src$="basic_tree.png"] {
    width: 60% !important;
    max-width: 60% !important;
    height: auto !important;
    margin: 4pt auto !important;
  }

  /* if they’re wrapped in <a class="md-image"> or <figure>, shrink container too */
  .md-typeset a.md-image:has(> img[src$="basic_linked_list.png"]),
  .md-typeset a.md-image:has(> img[src$="basic_tree.png"]),
  .md-typeset figure:has(> img[src$="basic_linked_list.png"]),
  .md-typeset figure:has(> img[src$="basic_tree.png"]) {
    width: 60% !important;
    max-width: 60% !important;
    margin: 4pt auto !important;
  }
}
  .md-typeset hr {
    margin-top: 4pt !important;
    margin-bottom: 4pt !important;
    border: none;
    border-top: 0.6pt solid #444;  /* subtle line */
  }

  /* Optional: show link targets in print */
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8.5pt; }

  /* Tighter grid + 3 columns on Letter */
  .md-typeset .grid.cards.print-3 {
    /* 3-up; switch to 2-up automatically if space is tight */
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6pt; /* tighter gaps */
  }

  /* Card box: compact, no shadow, thin border, don’t split across pages */
  .md-typeset .grid.cards.print-3 > ul > li {
    padding: 6pt 7pt;
    border: 0.5pt solid #bbb;
    border-radius: 3pt;
    box-shadow: none !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  /* Trim inner spacing */
  .md-typeset .grid.cards.print-3 p { margin: 4pt 0; }
  .md-typeset .grid.cards.print-3 pre { margin: 4pt 0; font-size: 8.8pt; }
  .md-typeset .grid.cards.print-3 code { font-size: 8.8pt; }
  .md-typeset .grid.cards.print-3 h2,
  .md-typeset .grid.cards.print-3 h3 { margin: 0 0 4pt; }

  /* If a page is narrow (e.g., big margins), fall back to 2 columns */
  @page { size: Letter; } /* you already set margins elsewhere */
  .md-typeset .grid.cards.print-3 {
    /* Let the browser collapse columns if needed */
    grid-auto-flow: row;
  }
}