/* Teacher's guide. Tokens and base type come from shared/labs.css; this file only lays out the guide
   and gives it a print stylesheet in which every lesson starts on a clean page. */
body.guide {
  padding-top: 0;
}
.guide .wrap {
  max-width: 980px;
}
.guide .eyebrow {
  font-size: 13px;
}
.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 16px;
  top: 8px;
  z-index: 5;
  background: var(--paper);
  padding: 6px 10px;
  border-radius: 6px;
}

/* Masthead, as on the course map */
.mast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 16px 0 10px;
  border-bottom: 1px solid var(--rule);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}
.brand img {
  border-radius: 7px;
  display: block;
}
.brand b {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 19px;
}
.mast nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  font-size: 14.5px;
}
.mast nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 4px 0;
}
.mast nav a:hover,
.mast nav a[aria-current="page"] {
  color: var(--ink);
}

/* Opening */
.g-open {
  padding: 36px 0 8px;
}
.g-open h1 {
  max-width: 18ch;
}
.g-glance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin: 8px 0 18px;
  padding: 0;
  list-style: none;
}
.g-glance li {
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--paper);
  box-shadow: var(--shadow);
}
.g-glance b {
  display: block;
  font-family: "Fraunces", Georgia, serif;
  font-size: 26px;
  line-height: 1.1;
}
.g-glance span {
  font-size: 14px;
  color: var(--muted);
}

/* Contents */
.g-toc {
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 14px 18px;
  margin: 18px 0 8px;
  background: var(--paper);
}
.g-toc h2 {
  margin: 0 0 8px;
  font-size: 18px;
}
.g-toc ol {
  margin: 0;
  padding-left: 20px;
  font-size: 15px;
}
.g-toc li {
  margin: 3px 0;
}
.g-toc ol ol {
  list-style: none;
  padding-left: 0;
  margin: 6px 0 4px;
  columns: 2 240px;
  column-gap: 32px;
  font-size: 14px;
}
.g-toc ol ol li {
  break-inside: avoid;
}

/* Educator intro */
.g-section > h2 {
  font-size: 28px;
}
.g-intro {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px 28px;
}
.g-intro section h3 {
  font-size: 19px;
  margin: 18px 0 6px;
}
.g-intro p,
.g-intro li {
  font-size: 15.5px;
}
.g-intro ul {
  padding-left: 20px;
  margin: 6px 0;
}
.g-callout {
  border-left: 4px solid var(--purple);
  background: var(--soft);
  padding: 12px 16px;
  border-radius: 0 10px 10px 0;
  margin: 18px 0;
}
.g-callout p {
  margin: 4px 0;
}

/* Schedules */
.g-sched-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
}
.g-sched-head h3 {
  margin: 30px 0 4px;
  font-size: 22px;
}
.g-sched-head .g-total {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--muted);
}
.g-sched {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: grid;
  gap: 8px;
}
.g-sched li {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) auto;
  gap: 4px 14px;
  align-items: baseline;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--paper);
}
.g-sched .when {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--muted);
}
.g-sched .theme {
  font-weight: 600;
}
.g-sched .units {
  grid-column: 2;
  font-size: 14.5px;
  color: var(--muted);
}
.g-sched .units a {
  color: var(--ink);
}
.g-sched .mins {
  grid-column: 3;
  grid-row: 1;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

/* Lessons */
.g-chapter {
  margin: 44px 0 4px;
  font-size: 15px;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.g-lesson {
  border: 1px solid var(--rule);
  border-top: 5px solid var(--stage);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 18px 22px 20px;
  margin: 14px 0 22px;
  scroll-margin-top: 12px;
}
.g-kicker {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--stage);
}
.g-lesson h4 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 25px;
  font-weight: 600;
  line-height: 1.15;
  margin: 6px 0 6px;
}
.g-blurb {
  color: var(--muted);
  margin: 0 0 12px;
}
.g-facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 4px 14px;
  margin: 0 0 6px;
  font-size: 14.5px;
}
.g-facts dt {
  color: var(--muted);
}
.g-facts dd {
  margin: 0;
}
.g-open-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 4px;
}
.g-open-links a {
  text-decoration: none;
  font-size: 14.5px;
}
.g-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 28px;
}
.g-body > section {
  min-width: 0;
}
.g-body .wide {
  grid-column: 1 / -1;
}
.g-body h5 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin: 16px 0 6px;
}
.g-body ol,
.g-body ul {
  margin: 0;
  padding-left: 20px;
}
.g-body li {
  margin: 4px 0;
  font-size: 15px;
}
.g-body p {
  font-size: 15px;
  margin: 4px 0;
}
.g-fig {
  border: 1px solid var(--rule);
  border-left: 4px solid var(--stage);
  border-radius: 10px;
  padding: 10px 14px 12px;
  background: var(--bg);
}
.g-fig .g-fig-name {
  font-weight: 600;
  margin: 2px 0 6px;
}
.g-fig .g-fig-name code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
}
.g-myth {
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 8px 12px;
  margin: 8px 0;
}
.g-myth p {
  margin: 3px 0;
}
.g-myth .m {
  color: var(--ink);
}
.g-myth .m b {
  color: var(--or);
}
.g-myth .f b {
  color: var(--green);
}
.g-activity {
  background: var(--soft);
  border-radius: 10px;
  padding: 2px 14px 10px;
  margin-top: 10px;
}
.g-readings li {
  font-size: 14px;
}
.g-note {
  font-size: 14px;
  color: var(--muted);
}
.g-r code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px;
}
.g-foot {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: var(--muted);
}
.g-print-btn {
  font-size: 14.5px;
}
.g-print-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}
.g-answers-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  min-height: 44px;
  cursor: pointer;
}
.g-answers-toggle input {
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--purple);
}

/* Answer keys, collapsible on screen, hidden in print unless requested */
.g-key {
  margin: 6px 0 10px;
  border-left: 3px solid var(--purple);
  background: var(--soft);
  border-radius: 0 8px 8px 0;
  padding: 2px 12px;
}
.g-key summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--purple);
  padding: 8px 0;
  min-height: 24px;
}
.g-key summary:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
}
.g-key-body p {
  margin: 0 0 8px;
}

/* Assessment */
.g-assess {
  padding-left: 22px;
  margin: 12px 0 0;
}
.g-assess > li {
  margin: 0 0 16px;
  padding: 12px 16px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--paper);
  box-shadow: var(--shadow);
}
.g-q {
  margin: 0 0 6px;
  font-size: 15.5px;
}
.g-covers {
  margin: 0 0 4px;
  font-size: 14px;
  color: var(--muted);
}

/* Discussion, activity, misconceptions and the lecture outline inside a lesson */
.g-discuss > ol > li {
  margin: 8px 0 4px;
}
.g-discuss > ol > li > p {
  margin: 0 0 2px;
}
.g-act-title {
  margin: 2px 0 6px !important;
  font-size: 16px !important;
}
.g-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0 !important;
  margin: 0 0 8px !important;
}
.g-chips li {
  margin: 0 !important;
  font-size: 13px !important;
  font-family: "IBM Plex Mono", monospace;
  padding: 2px 9px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper);
}
.g-act-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 4px 24px;
}
.g-body h6 {
  font-size: 14px;
  font-weight: 600;
  margin: 8px 0 4px;
}
.g-where {
  font-size: 13.5px;
  color: var(--muted);
}
.g-ask {
  display: block;
  color: var(--muted);
  font-style: italic;
}
.g-pending .g-note {
  margin: 10px 0 0;
}

@media (max-width: 720px) {
  body.guide {
    padding-left: 16px;
    padding-right: 16px;
  }
  .g-body {
    grid-template-columns: minmax(0, 1fr);
  }
  .g-lesson {
    padding: 16px 16px 18px;
  }
  .g-lesson h4 {
    font-size: 22px;
  }
  .g-sched li {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .g-sched .when {
    grid-column: 1;
  }
  .g-sched .mins {
    grid-column: 2;
    grid-row: 1;
  }
  .g-sched .theme,
  .g-sched .units {
    grid-column: 1 / -1;
  }
  .g-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
  .g-facts dd {
    margin-bottom: 6px;
  }
  .g-act-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .g-assess {
    padding-left: 18px;
  }
  .g-assess > li {
    padding: 10px 12px;
  }
}

/* Print: black on white whatever the screen theme, no navigation, one lesson per page. */
@media print {
  :root,
  :root:not([data-theme="light"]),
  :root[data-theme="dark"] {
    --bg: #ffffff;
    --paper: #ffffff;
    --ink: #111111;
    --muted: #444444;
    --rule: #bbbbbb;
    --soft: #f1f1f1;
    --shadow: none;
    color-scheme: light;
  }
  @page {
    margin: 11mm 12mm 12mm;
  }
  body.guide {
    padding: 0;
    font-size: 10.5pt;
  }
  .guide .wrap {
    max-width: none;
  }
  .mast nav,
  .g-toc,
  .skip,
  .g-print-btn,
  .g-open-links,
  .g-answers-toggle {
    display: none !important;
  }
  body:not(.g-with-answers) .g-key {
    display: none !important;
  }
  .g-key {
    break-inside: avoid;
    padding: 0 8px;
    margin: 2px 0 6px;
  }
  .g-key summary {
    list-style: none;
    padding: 2px 0;
    font-size: 8.5pt;
  }
  .g-key summary::-webkit-details-marker {
    display: none;
  }
  #assessment {
    break-before: page;
  }
  .g-assess > li {
    box-shadow: none;
    break-inside: avoid;
    padding: 6px 10px;
    margin-bottom: 8px;
  }
  .g-q,
  .g-covers,
  .g-assess .g-key-body p {
    font-size: 9.5pt;
  }
  .g-body > section.wide {
    column-span: all;
  }
  .g-body > section.g-discuss,
  .g-body > section.g-myths,
  .g-body > section.g-outline {
    break-inside: auto;
  }
  .g-discuss > ol > li,
  .g-outline li,
  .g-act-grid {
    break-inside: avoid;
  }
  .g-chips li {
    font-size: 8pt !important;
  }
  .g-where,
  .g-ask {
    font-size: 8.5pt;
  }
  .g-body h6 {
    font-size: 9pt;
    margin: 4px 0 2px;
  }
  .g-open {
    padding-top: 12px;
  }
  .g-glance li,
  .g-lesson,
  .g-sched li,
  .g-fig,
  .g-myth {
    box-shadow: none;
  }
  #schedules,
  #elective {
    break-before: page;
  }
  #lessons > h2,
  #lessons > p {
    display: none;
  }
  .g-lesson {
    break-before: page;
    border: 0;
    border-top: 5px solid var(--stage);
    border-radius: 0;
    padding: 10px 0 0;
    margin: 0;
  }
  .g-chapter {
    display: none;
  }
  .g-body {
    display: block;
    columns: 2;
    column-gap: 22px;
  }
  .g-body > section {
    break-inside: avoid;
    margin-bottom: 4px;
  }
  .g-body > section.g-readings {
    break-inside: auto;
  }
  .g-fig,
  .g-myth,
  .g-activity,
  .g-sched li,
  .g-readings li {
    break-inside: avoid;
  }
  .g-lesson h4 {
    font-size: 17pt;
  }
  .g-blurb,
  .g-facts {
    font-size: 9pt;
    margin-bottom: 4px;
  }
  .g-body li,
  .g-body p {
    font-size: 9pt;
    line-height: 1.36;
    margin: 2px 0;
  }
  .g-body ol,
  .g-body ul {
    padding-left: 16px;
  }
  .g-fig,
  .g-myth {
    padding: 6px 10px;
    margin: 5px 0;
  }
  .g-body h5 {
    margin: 8px 0 4px;
    font-size: 8.5pt;
  }
  .g-readings li {
    font-size: 8pt;
    line-height: 1.3;
  }
  .g-activity {
    padding: 1px 10px 6px;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  .g-readings a::after {
    content: " " attr(href);
    font-size: 7pt;
    color: #444444;
    word-break: break-all;
  }
  .g-print-url {
    display: block !important;
  }
}
.g-print-url {
  display: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 8.5pt;
  color: var(--muted);
}