/* SPDX-License-Identifier: MIT */
/* Copyright (c) 2026 Evgeny Baulin */
/* Printing: no controls, solutions expanded, light colors; the cheat sheet on one A4 page. */

@media print {
  /* color-scheme too: a dark scheme would print dark page margins */
  :root,
  :root[data-theme="dark"] {
    color-scheme: light;
    --bg: #ffffff;
    --panel: #ffffff;
    --panel-2: #f1f3f7;
    --fg: #000000;
    --fg-soft: #1d2331;
    --muted: #3f4654;
    --line: #c9ced8;
    --line-strong: #7f8795;
    --accent: #102d69;
    --accent-2: #b3261e;
    --ok: #1b6b3a;
    --bad: #b3261e;
  }
  html,
  .is-present {
    font-size: 11pt;
  }
  /* no sidebar beside the page, and an open drawer does not lock the body */
  body {
    background: #ffffff;
    padding-left: 0 !important;
    overflow: visible !important;
  }
  .course-nav,
  .course-nav-scrim,
  .tool-topics,
  .toolbar,
  .skip-link,
  .dialog,
  .screen-veil,
  .btn,
  .answers,
  .widget,
  .locked,
  .own-bar,
  .selftest,
  .pdf-link,
  .code-block .btn-copy {
    display: none !important;
  }
  .is-present .block {
    display: block !important;
  }
  .step,
  .step-text,
  .solution,
  .answer-text,
  .review,
  .hint,
  .exit-a,
  .review-answers {
    display: block !important;
  }
  .step {
    display: list-item !important;
  }
  .block,
  .handout-section {
    break-before: auto;
    border-top-width: 2px;
  }
  .problem,
  .handout-problem,
  .figure,
  .note {
    break-inside: avoid;
  }
  /* a long proof may continue on the next page; a label or a question stays with what follows it */
  .note-proof {
    break-inside: auto;
  }
  .note-label,
  .faq-q {
    break-after: avoid;
  }
  /* the answer of a self-check prints open (start.js opens it too), under a plain "Answer" line */
  details.selfcheck-answer::details-content {
    content-visibility: visible;
  }
  details.selfcheck-answer > summary {
    list-style: none;
    color: var(--fg-soft);
    font-weight: 700;
    cursor: auto;
  }
  details.selfcheck-answer > summary::-webkit-details-marker {
    display: none;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  pre.code {
    white-space: pre-wrap;
  }

  /* The cheat sheet: exactly one A4 page. */
  .page-cheatsheet .site-header,
  .page-cheatsheet .site-footer {
    display: none !important;
  }
  .page-cheatsheet {
    font-size: 7.6pt;
    line-height: 1.28;
  }
  .page-cheatsheet .content {
    max-width: none;
    padding: 0;
  }
  .page-cheatsheet .cheatsheet {
    margin: 0;
  }
  .page-cheatsheet .cs-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0 12px;
  }
  .page-cheatsheet .cs-title {
    display: block;
    font-size: 12pt;
  }
  .page-cheatsheet .cs-subtitle {
    margin: 0;
    font-size: 8pt;
  }
  .page-cheatsheet .cs-grid {
    column-count: 3;
    column-gap: 4.5mm;
    margin-top: 2mm;
  }
  .page-cheatsheet .cs-section {
    margin-bottom: 2mm;
    padding-top: 1mm;
    border-top-width: 1.2pt;
  }
  .page-cheatsheet .cs-section h3 {
    font-size: 8.4pt;
  }
  .page-cheatsheet .cs-section ul {
    font-size: 7.6pt;
    padding-left: 3mm;
  }
  .page-cheatsheet .cs-section li {
    margin: 0.4mm 0;
  }
  .page-cheatsheet .katex {
    font-size: 1em;
    --katex-scale: 1;
  }
  .page-cheatsheet .math-display .katex-display {
    margin: 0.5mm 0;
  }
  .page-cheatsheet .cs-print-footer {
    display: block;
    margin-top: 1mm;
    font-size: 6.8pt;
    color: #3f4654;
  }
  .page-cheatsheet .cs-print-footer p {
    margin: 0;
  }
}

@page {
  size: A4;
  margin: 12mm;
}