/* "Look inside" a PDF book (Books/LookInside): the book and buy box beside a
   reader that shows the sample's pages one under another. */

.li-page {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin: 1.5rem 0;
}

.li-side {
  position: sticky;
  top: 1rem;
  padding: 1.25rem;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 6px 24px rgba(44, 54, 35, 0.08);
}

.li-back {
  display: inline-block;
  margin-bottom: 0.9rem;
  font-size: 0.9rem;
  text-decoration: none;
}

.li-cover {
  display: block;
  width: 100%;
  max-width: 11rem;
  margin: 0 auto 0.9rem;
  border-radius: 0.4rem;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}

.li-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
}

.li-author {
  margin: 0.15rem 0 0.75rem;
  color: #4b5563;
}

.li-note {
  padding: 0.6rem 0.75rem;
  border-radius: 0.6rem;
  background: var(--bb-sage-50);
  font-size: 0.88rem;
}

.li-buy {
  display: grid;
  gap: 0.6rem;
}

.li-price {
  font-size: 1.35rem;
  font-weight: 800;
}

.li-price s {
  color: #6b7280;
  font-size: 1rem;
  font-weight: 500;
}

.li-reader {
  min-width: 0;
  border-radius: 1rem;
  background: #e5e7eb;
  overflow: hidden;
}

.li-toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: #1f2937;
  color: #fff;
}

.li-badge {
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: var(--bb-gold-500);
  color: #1f2937;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.li-count {
  font-size: 0.9rem;
  opacity: 0.85;
}

.li-zoom {
  display: flex;
  gap: 0.35rem;
  margin-left: auto;
}

.li-zoom .btn {
  min-width: 2rem;
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.li-pages {
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: 1rem;
  overflow-x: auto;
  user-select: none;
}

.li-page-box {
  position: relative;
  max-width: 100%;
  background: #fff;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.18);
}

.li-page-box canvas {
  display: block;
  max-width: none;
}

.li-page-number {
  position: absolute;
  right: 0.5rem;
  bottom: 0.35rem;
  color: #9ca3af;
  font-size: 0.75rem;
}

.li-end {
  display: none;
  margin: 0 1rem 1.25rem;
  padding: 1.5rem;
  border-radius: 1rem;
  background: #fff;
  text-align: center;
}

.li-reader.is-ready .li-end {
  display: block;
}

.li-end > span {
  font-size: 2rem;
}

.li-end h2 {
  margin: 0.25rem 0;
  font-size: 1.25rem;
  font-weight: 800;
}

@media (max-width: 767.98px) {
  .li-page {
    grid-template-columns: 1fr;
  }

  .li-side {
    position: static;
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    gap: 0 1rem;
    align-items: start;
  }

  .li-back,
  .li-note,
  .li-buy {
    grid-column: 1 / -1;
  }

  .li-cover {
    grid-row: span 2;
    margin: 0;
  }

  .li-pages {
    padding: 0.5rem;
  }
}