/* Rulebook: a cream paper sheet on the workbench (base look in bench.css).
   Print styles at the bottom turn it back into a plain white document for print/rules.pdf. */

* { box-sizing: border-box; }

.rulebook {
  max-width: 860px;
  padding: 40px clamp(20px, 5vw, 56px) 56px;
  font-family: var(--display);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
@media (max-width: 900px) { .rulebook { margin: 16px 12px 32px; } }

.doc-head { border-bottom: 2px solid var(--ink); padding-bottom: 14px; margin-bottom: 18px; }
.doc-head .eyebrow { font: 700 11px var(--mono); letter-spacing: .28em; text-transform: uppercase; color: var(--copper); margin-bottom: 6px; }
.doc-head h1 { margin: 0; font-size: clamp(30px, 5vw, 42px); line-height: 1.05; letter-spacing: -.01em; font-weight: 700; }
.doc-head .sub { font: 12px var(--mono); color: var(--ink-faded); margin-top: 8px; }

.rulebook h3 { font-size: 19px; font-weight: 650; margin: 24px 0 6px; line-height: 1.25; }
.rulebook h4 { font-size: 16px; margin: 18px 0 6px; }
.rulebook p { margin: 10px 0; }
.rulebook ul, .rulebook ol { padding-left: 22px; margin: 8px 0; }
.rulebook li { margin: 5px 0; }
.rulebook li::marker { color: var(--copper); }
.rulebook strong { font-weight: 700; color: var(--ink); }
.rulebook em { color: var(--ink-soft); }
.rulebook a { color: var(--copper); }

.rulebook code {
  font-family: var(--mono);
  font-size: .85em;
  background: var(--paper-deep);
  border-radius: 3px;
  padding: 1px 5px;
}

/* Each top-level section is a collapsible <details> */
.rulebook details { border-top: 1px solid rgba(33, 24, 16, .25); padding: 4px 0 10px; margin: 0; }
.rulebook details > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 0 6px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.005em;
}
.rulebook details > summary::-webkit-details-marker { display: none; }
.rulebook details > summary::before {
  content: "▸";
  font: 700 14px var(--mono);
  color: var(--copper);
  transition: transform .15s;
  transform: translateY(-3px);
}
.rulebook details[open] > summary::before { transform: translateY(-3px) rotate(90deg); }
.rulebook details > summary:hover { color: var(--copper); }

@media print {
  html, body.bench { background: #fff; color: #000; }
  body.bench::before, .bench-bar, .bench-footer, .doc-head .sub { display: none; }
  @page { margin: 16mm 14mm; }
  .rulebook { max-width: none; margin: 0; padding: 0; box-shadow: none; background: #fff; color: #000; font-size: 11.5pt; }
  .doc-head { padding-bottom: 8px; }
  .rulebook details > summary::before { display: none; }
  .rulebook details > summary { font-size: 18pt; padding-top: 10px; }
  .rulebook details { break-inside: auto; }
  .rulebook h2, .rulebook h3, .rulebook summary { break-after: avoid; }
  /* Show collapsed sections when printing */
  .rulebook details:not([open]) > *:not(summary) { display: revert; }
  .rulebook code { background: #f1f1f1; }
  a { color: inherit; text-decoration: none; }
}