/* book.css — reading layout for /book, layered on style.css (vars inherited) */

main.book { max-width: 46rem; margin: 0 auto; padding: 1.5rem 1.25rem 5rem; }

/* hero */
.book-hero { border-bottom: 1px solid var(--line); padding-bottom: 1.6rem; margin-bottom: 1.2rem; }
.book-hero h1 { font-size: 2.4rem; line-height: 1.1; margin: .6rem 0 .2rem; letter-spacing: -0.01em; }
.book-sub { font-size: 1.2rem; color: var(--muted); margin: 0 0 .8rem; }
.book-by { color: var(--ink); margin: 0 0 1.1rem; font-variant: small-caps; letter-spacing: .03em; }
.book-dl { display: flex; flex-wrap: wrap; gap: .6rem; margin: 0 0 .9rem; }
.book-dl a {
  display: inline-block; padding: .45rem .9rem; border: 1px solid var(--accent);
  border-radius: 6px; color: var(--accent); font-size: .95rem; font-weight: 600;
}
.book-dl a:hover { background: var(--accent); color: #07070a; text-decoration: none; }
.book-note { font-size: .9rem; color: var(--muted); margin: 0; }

/* table of contents */
.book-toc { border: 1px solid var(--line); border-radius: 8px; background: var(--panel);
  padding: 1rem 1.25rem; margin: 0 0 2.5rem; }
.book-toc h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .12em;
  color: var(--muted); margin: 0 0 .6rem; }
.book-toc ul { list-style: none; padding-left: 0; margin: 0; }
.book-toc ul ul { padding-left: 1.1rem; margin: .2rem 0; }
.book-toc li { margin: .25rem 0; }
.book-toc a { color: var(--ink); }
.book-toc a:hover { color: var(--accent); text-decoration: none; }

/* chapter body */
.book-body { font-size: 1.06rem; line-height: 1.7; }
.book-body h1 { font-size: 1.75rem; line-height: 1.2; margin: 3rem 0 1rem;
  padding-top: 2rem; border-top: 1px solid var(--line); }
.book-body > section:first-child > h1 { border-top: none; padding-top: 0; margin-top: 1rem; }
.book-body h2 { font-size: 1.25rem; margin: 2rem 0 .5rem; color: var(--ink); }
.book-body p { margin: 0 0 1.05rem; }
.book-body strong { color: #fff; }
.book-body ul, .book-body ol { margin: 0 0 1.1rem; padding-left: 1.3rem; }
.book-body li { margin: .35rem 0; }

/* the "At 601 Delaware" sidebars (LaTeX atsixoone -> blockquote) */
.book-body blockquote {
  margin: 1.8rem 0; padding: .9rem 1.2rem; border-left: 3px solid var(--accent);
  background: var(--panel); border-radius: 0 6px 6px 0; color: var(--ink);
}
.book-body blockquote p { margin: 0; }
.book-body blockquote p + p { margin-top: .7rem; }

/* glossary (description list) */
.book-body dl { margin: 0 0 1.1rem; }
.book-body dt { font-weight: 700; color: #fff; margin-top: .9rem; }
.book-body dd { margin: .15rem 0 0; padding-left: 1rem; color: var(--ink); }

/* footnotes */
.book-body .footnotes { border-top: 1px solid var(--line); margin-top: 3rem;
  padding-top: 1rem; font-size: .92rem; color: var(--muted); }

@media (max-width: 480px) {
  .book-hero h1 { font-size: 1.9rem; }
  .book-body h1 { font-size: 1.5rem; }
}

/* ---- per-chapter pages ---- */
main.book.chapter { max-width: 44rem; }
.chapter-eyebrow {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--accent); margin: .5rem 0 -.6rem;
}
/* the chapter title is pandoc's first h1 — no top rule on a per-chapter page */
.book.chapter .book-body > section:first-child > h1,
.book.chapter .book-body > h1:first-child { border-top: none; padding-top: 0; margin-top: .6rem; }

/* prev / next footer nav */
.chapter-nav {
  display: flex; flex-wrap: wrap; gap: .75rem 1rem; justify-content: space-between;
  align-items: baseline; margin-top: 3.5rem; padding-top: 1.2rem;
  border-top: 1px solid var(--line); font-size: .95rem;
}
.chapter-nav a { color: var(--accent); }
.chapter-nav a.toc { color: var(--muted); }
.chapter-nav a.toc:hover { color: var(--ink); text-decoration: none; }
.chapter-nav .next { margin-left: auto; text-align: right; }

/* contents/landing list */
.book-contents h2 {
  font-size: .82rem; text-transform: uppercase; letter-spacing: .12em;
  color: var(--muted); margin: 2rem 0 .5rem; border-bottom: 1px solid var(--line);
  padding-bottom: .4rem;
}
.book-contents ul { list-style: none; padding-left: 0; margin: 0 0 .5rem; }
.book-contents li { margin: .4rem 0; }
.book-contents a { color: var(--ink); font-size: 1.08rem; }
.book-contents a:hover { color: var(--accent); text-decoration: none; }