/*
  The teacher guide (site/guide/, generated by tools/build_guide.py). Builds on site.css: the
  same header, footer, steps and ticks; here the side contents, screenshots, tips, the pager
  and the print layout that becomes the PDF.
*/

.g-wrap { display: grid; grid-template-columns: minmax(0, 240px) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; padding-block: clamp(12px, 3vw, 32px) 24px; }
.g-side { position: sticky; top: 16px; padding: 18px 18px 20px; border: var(--stroke) solid var(--ink); border-radius: var(--r-lg); background: var(--paper-light); box-shadow: 0 4px 0 var(--paper-shade); }
.g-side-k { margin: 0 0 8px; font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pond); }
.g-side ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.g-side a { display: block; padding: 6px 10px; border-radius: var(--r-sm); color: var(--ink); text-decoration: none; font-size: var(--text-sm); font-weight: 600; line-height: 1.3; }
.g-side a:hover { background: var(--paper); }
.g-side a[aria-current="page"] { background: var(--yolk-light); box-shadow: inset 3px 0 0 var(--yolk-deep); }
.g-side-pdf { margin: 14px 0 0; }
.g-side-pdf .btn { width: 100%; }

.g-doc { max-width: 52rem; min-width: 0; }
.g-kicker { margin: 0 0 8px; font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pond); }
.g-doc h1 { font-size: clamp(2.1rem, 5vw, 3rem); line-height: 1.04; letter-spacing: -0.015em; }
.g-doc h2 { margin-top: 44px; font-size: var(--text-xl); scroll-margin-top: 16px; }
.g-doc > p, .g-doc > ul, .g-doc > ol, .g-doc > .g-tip { margin-top: 14px; max-width: 44rem; line-height: 1.6; }
.g-doc .lead { margin-top: 12px; }
.g-doc .steps { margin-top: 16px; }
.g-doc .steps li p, .g-print .steps li p { color: var(--ink); line-height: 1.55; padding-top: 6px; }
.g-doc .steps b, .g-print .steps b { display: inline; }
.g-doc a:not(.btn) { color: var(--pond-deep); }

.g-fig { margin: 22px 0 6px; }
.g-fig img { display: block; width: 100%; height: auto; border: var(--stroke) solid var(--ink); border-radius: var(--r-lg); background: var(--paper-deep); box-shadow: 0 5px 0 var(--paper-shade); }
.g-fig--phone img { max-width: 340px; }
.g-fig figcaption { margin-top: 10px; font-size: var(--text-sm); color: var(--ink-soft); }

.g-tip { padding: 12px 16px 12px 18px; border: var(--stroke-thin) solid var(--ink); border-left: 6px solid var(--yolk-deep); border-radius: var(--r-sm); background: var(--yolk-light); }
.g-tip b:first-child { display: inline-block; margin-right: 6px; font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }

.g-video { margin: 24px 0 0; }
.g-video video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border: var(--stroke) solid var(--ink); border-radius: var(--r-lg); background: var(--dusk); box-shadow: 0 6px 0 var(--ink); }
.g-video figcaption { margin-top: 10px; font-size: var(--text-sm); color: var(--ink-soft); }

.g-cards { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 14px; }
.g-card { display: grid; gap: 6px; height: 100%; padding: 16px 18px 18px; border: var(--stroke) solid var(--ink); border-radius: var(--r-lg); background: var(--paper-light); box-shadow: 0 4px 0 var(--paper-shade); color: var(--ink); text-decoration: none; transition: transform var(--t-micro) var(--out); }
.g-card:hover { transform: translateY(-2px); }
.g-card b { font: 800 1.15rem/1.2 var(--font-display); font-variation-settings: var(--display-axes); }
.g-card span:last-child { font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.45; }
.g-card-n { display: grid; place-items: center; width: 30px; height: 30px; border: var(--stroke) solid var(--ink); border-radius: 50%; background: var(--yolk-light); font: 800 0.95rem/1 var(--font-display); }

.g-pager { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 48px; }
.g-pager a { display: grid; gap: 2px; padding: 14px 16px; border: var(--stroke) solid var(--ink); border-radius: var(--r); background: var(--paper-light); color: var(--ink); text-decoration: none; font-weight: 700; }
.g-pager a span { font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pond); }
.g-pager .g-next { grid-column: 2; text-align: right; }

@media (max-width: 880px) {
  .g-wrap { grid-template-columns: minmax(0, 1fr); }
  .g-side { position: static; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 14px; padding: 12px 14px; }
  .g-side-k, .g-side ol li:not(:first-child) { display: none; }
  .g-side ol li:first-child a { padding: 8px 0; color: var(--pond-deep); text-decoration: underline; }
  .g-side ol li:first-child a::before { content: "All guide pages: "; }
  .g-side a[aria-current="page"] { background: none; box-shadow: none; }
  .g-side-pdf { margin: 0; }
  .g-side-pdf .btn { width: auto; }
}
@media (max-width: 520px) {
  .g-pager { grid-template-columns: minmax(0, 1fr); }
  .g-pager .g-next { grid-column: 1; }
}

/* ---- the PDF (print.html) ---- */
.g-print { background: #fff; }
.g-print .g-print-page { padding: 0 4mm; }
.g-print .g-print-page h1 { margin-top: 2mm; font-size: 26pt; }
.g-print .g-print-page h2 { margin-top: 7mm; font-size: 15pt; }
.g-print .g-print-page p, .g-print .g-print-page li { font-size: 10.5pt; }
.g-print .g-fig { break-inside: avoid; }
.g-print .g-fig img { max-height: 150mm; width: auto; max-width: 100%; box-shadow: none; }
.g-print .g-tip { break-inside: avoid; }
.g-cover { min-height: 260mm; display: flex; flex-direction: column; justify-content: center; padding: 0 6mm; background: var(--dusk); color: var(--paper-light); }
.g-cover h1 { margin-top: 10mm; font-size: 44pt; color: var(--paper-light); }
.g-cover .lead { color: var(--yolk-light); font-size: 15pt; max-width: 150mm; }
.g-cover-mark { margin: 0; font: 800 30pt/1 var(--font-display); color: var(--paper-light); }
.g-cover-mark span { display: inline-grid; place-items: center; width: 13mm; height: 15mm; margin-right: 1.5mm; border: 2px solid var(--ink); border-bottom-width: 4px; border-radius: 3mm; background: var(--paper-light); color: var(--ink); font: 800 20pt/1 var(--font-word, sans-serif); }
.g-cover-mark span.t { background: var(--think); }
.g-cover-toc { margin: 12mm 0 0; padding-left: 6mm; display: grid; gap: 2mm; color: var(--paper-deep); font-size: 10.5pt; }
.g-cover-toc b { color: var(--paper-light); }
.g-cover-note { margin-top: 12mm; font-size: 9pt; color: var(--paper-deep); }

@media print {
  @page { size: A4; margin: 14mm 12mm; }
  .g-cover { break-after: page; box-sizing: border-box; margin: -14mm -12mm 0; padding: 26mm 22mm; height: 297mm; min-height: 0; overflow: hidden; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .g-print-page { break-before: page; }
  .g-print .g-tip, .g-print .g-card-n { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .hd, .g-side, .g-pager, .ft, .skip { display: none !important; }
  .g-wrap { display: block; }
}