/*
  Bitcoin Canon — archival Books register.
  One ruled hierarchy: part, book, scope, passage count, seal state.
*/

body[data-mode="books"] .layout {
  display: block;
  width: min(var(--content-max), calc(100% - 3rem));
}

body[data-mode="books"] .sidebar { display: none; }
body[data-mode="books"] .reader { width: 100%; }
body[data-mode="books"] > .footer { display: none; }
body[data-mode="books"] .reader-tools,
body[data-mode="books"] .reader-dock,
body[data-mode="books"] .reading-controls,
body[data-mode="books"] .canon-preface,
body[data-mode="books"] .canon-bridge,
body[data-mode="books"] .featured-quote,
body[data-mode="books"] .reader-head { display: none; }

.archival-register {
  width: 100%;
  padding: 2.8rem 0 1rem;
}

.register-frontispiece {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 2rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--c-line-strong);
}

.register-frontispiece > div > p {
  margin-bottom: .55rem;
  color: var(--c-muted);
  font: 600 .62rem/1.5 var(--f-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
}

.register-frontispiece h2 {
  color: var(--c-ink);
  font: 500 clamp(2.5rem, 5vw, 4.25rem)/.96 var(--f-serif);
  letter-spacing: -.03em;
}

.register-frontispiece dl {
  display: grid;
  gap: .2rem;
  margin: 0;
  text-align: right;
}

.register-frontispiece dl div {
  display: flex;
  justify-content: flex-end;
  gap: .35rem;
  color: var(--c-dim);
  font: 500 .61rem/1.45 var(--f-mono);
  letter-spacing: .06em;
}

.register-frontispiece dt,
.register-frontispiece dd { margin: 0; }
.register-frontispiece dt {
  color: var(--c-muted);
  font-weight: 600;
}

.canon-register {
  width: 100%;
}

.canon-register-columns {
  display: grid;
  grid-template-columns: 2.7rem minmax(0, 1fr) 6rem 5.5rem;
  gap: 1rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-dim);
  font: 600 .56rem/1.4 var(--f-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.canon-register-columns span:nth-last-child(-n + 2) { text-align: right; }

.canon-register-part {
  padding-top: 2.2rem;
}

.canon-register-part > header {
  display: grid;
  grid-template-columns: 2.7rem auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0 0 .7rem;
  border-bottom: 1px solid var(--c-line-strong);
}

.canon-register-part > header > span {
  color: var(--c-muted);
  font: 600 .62rem/1.4 var(--f-mono);
}

.canon-register-part > header h3 {
  color: var(--c-ink);
  font: 500 clamp(1.55rem, 2.6vw, 2.15rem)/1 var(--f-serif);
  letter-spacing: -.015em;
}

.canon-register-part > header p {
  min-width: 0;
  color: var(--c-muted);
  font: italic .9rem/1.4 var(--f-serif);
}

.canon-register-part > header em {
  color: var(--c-dim);
  font: 500 .58rem/1.4 var(--f-mono);
  white-space: nowrap;
}

.canon-register-books {
  display: grid;
}

.canon-register-row {
  display: grid;
  grid-template-columns: 2.7rem minmax(0, 1fr) 6rem 5.5rem;
  gap: 1rem;
  align-items: center;
  width: 100%;
  min-width: 0;
  padding: .72rem 0 .78rem;
  border: 0;
  border-bottom: 1px solid var(--c-line);
  border-radius: var(--radius-none);
  background: transparent;
  color: var(--c-muted);
  text-align: left;
  scroll-margin-block: 6rem;
}

.canon-register-row:hover,
.canon-register-row.active {
  background: color-mix(in srgb, var(--c-panel) 55%, transparent);
}

.register-book-number {
  color: var(--c-dim);
  font: 600 .6rem/1.4 var(--f-mono);
  font-variant-numeric: tabular-nums;
}

.register-book-main {
  display: grid;
  min-width: 0;
  gap: .15rem;
}

.register-book-name {
  display: flex;
  align-items: baseline;
  min-width: 0;
  gap: .45rem;
}

.register-book-name strong {
  color: var(--c-ink);
  font: 500 1.02rem/1.2 var(--f-serif);
}

.register-book-name em {
  flex: 0 0 auto;
  color: var(--c-dim);
  font: 500 .55rem/1.4 var(--f-mono);
  font-style: normal;
}

.register-book-name i {
  min-width: 1rem;
  flex: 1;
  border-bottom: 1px dotted var(--c-line);
}

.register-book-scope {
  overflow: hidden;
  color: var(--c-dim);
  font: 400 .72rem/1.4 var(--f-sans);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.register-book-count {
  justify-self: end;
  color: var(--c-muted);
  font: 500 .62rem/1.4 var(--f-mono);
  font-variant-numeric: tabular-nums;
}

.register-book-status {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--c-muted);
  font: 600 .54rem/1.4 var(--f-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.register-book-status i {
  width: .43rem;
  height: .43rem;
  transform: rotate(45deg);
  border: 1px solid var(--c-seal);
}

.canon-home-register > .canon-register {
  padding-top: .2rem;
  border-top: 1px solid var(--c-line-strong);
}

.canon-home-register .canon-register::before {
  content: "The Register of Books";
  display: block;
  padding: .75rem 0 1.2rem;
  color: var(--c-muted);
  font: 600 .64rem/1.5 var(--f-mono);
  letter-spacing: .2em;
  text-transform: uppercase;
}

@media (max-width: 760px) {
  body[data-mode="books"] .layout {
    width: 100%;
    padding: 0;
  }

  .archival-register { padding: 1.6rem 0 0; }

  .register-frontispiece {
    display: block;
    padding-bottom: 1rem;
  }

  .register-frontispiece h2 {
    max-width: 11ch;
    font-size: 2.15rem;
  }

  .register-frontispiece dl {
    grid-template-columns: repeat(2, max-content);
    justify-content: start;
    gap: .12rem .7rem;
    margin-top: .8rem;
    text-align: left;
  }

  .register-frontispiece dl div { justify-content: start; }
  .canon-register-columns { display: none; }

  .canon-register-part { padding-top: 1.75rem; }
  .canon-register-part > header {
    grid-template-columns: 1.8rem minmax(0, 1fr) auto;
    gap: .55rem;
    padding-bottom: .55rem;
  }

  .canon-register-part > header > span { font-size: .56rem; }
  .canon-register-part > header h3 { font-size: 1.45rem; }
  .canon-register-part > header p { display: none; }
  .canon-register-part > header em { font-size: .5rem; }

  .canon-register-row {
    grid-template-columns: 1.8rem minmax(0, 1fr) auto;
    gap: .55rem;
    padding: .66rem 0 .72rem;
  }

  .register-book-number { font-size: .54rem; }
  .register-book-name { gap: .3rem; }
  .register-book-name strong {
    overflow: hidden;
    font-size: .98rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .register-book-name em,
  .register-book-name i { display: none; }
  .register-book-scope {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    font-size: .66rem;
    white-space: normal;
  }
  .register-book-count {
    grid-column: 3;
    grid-row: 1;
    align-self: start;
    font-size: .56rem;
  }
  .register-book-status {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
    font-size: .48rem;
  }
  .register-book-status i {
    width: .34rem;
    height: .34rem;
  }

  .canon-home-register { margin-top: 4rem; }
  .canon-home-register .canon-register::before { font-size: .56rem; }
}