/* Book-cover layer kept separate from the core bookshelf layout.
   Covers appear on the bookshelf overview only; book contents pages stay text-first. */

.bookshelf-grid > a.bookshelf-book:is(
  [href="/books/agent"],
  [href="/books/product"],
  [href="/books/psalms"],
  [href="/books/huangyan"]
) {
  grid-template-columns: 56px 112px minmax(0, 1fr) 24px;
  gap: 24px;
  align-items: start;
}

.bookshelf-grid > a.bookshelf-book:is(
  [href="/books/agent"],
  [href="/books/product"],
  [href="/books/psalms"],
  [href="/books/huangyan"]
)::before {
  content: "";
  grid-column: 2;
  grid-row: 1;
  width: 112px;
  aspect-ratio: 3 / 4;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: 0 10px 28px color-mix(in srgb, var(--ink) 10%, transparent);
}

.bookshelf-grid > a.bookshelf-book[href="/books/agent"]::before {
  background-image: url("/books/covers/agent.webp");
}

.bookshelf-grid > a.bookshelf-book[href="/books/product"]::before {
  background-image: url("/books/covers/product.webp");
}

.bookshelf-grid > a.bookshelf-book[href="/books/psalms"]::before {
  background-image: url("/books/covers/psalms.webp");
}

.bookshelf-grid > a.bookshelf-book[href="/books/huangyan"]::before {
  background-image: url("/books/covers/huangyan.webp");
}

.bookshelf-grid > a.bookshelf-book:is(
  [href="/books/agent"],
  [href="/books/product"],
  [href="/books/psalms"],
  [href="/books/huangyan"]
) > .bookshelf-book-index {
  grid-column: 1;
  grid-row: 1;
}

.bookshelf-grid > a.bookshelf-book:is(
  [href="/books/agent"],
  [href="/books/product"],
  [href="/books/psalms"],
  [href="/books/huangyan"]
) > .bookshelf-book-copy {
  grid-column: 3;
  grid-row: 1;
}

.bookshelf-grid > a.bookshelf-book:is(
  [href="/books/agent"],
  [href="/books/product"],
  [href="/books/psalms"],
  [href="/books/huangyan"]
) > .bookshelf-book-arrow {
  grid-column: 4;
  grid-row: 1;
}

/* The collection credit stays secondary to the sharper description. */
.bookshelf-grid > a.bookshelf-book[href="/books/huangyan"] .bookshelf-book-copy > p::after,
html:has(head link[rel="canonical"][href$="/books/huangyan"]) .book-index-header > p::after {
  content: "Tomz × Mira · 共同完成";
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted-soft);
}

/* Desktop: keep the text block visually tied to the cover instead of
   letting the metadata/latest-entry stack make every shelf row too tall. */
@media (min-width: 761px) {
  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) {
    padding: 30px 0;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) > .bookshelf-book-copy {
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr);
    column-gap: 26px;
    align-content: start;
    min-width: 0;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-category,
  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-copy h2,
  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-copy > p {
    grid-column: 1 / -1;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-copy h2 {
    margin: 6px 0 8px;
    font-size: clamp(32px, 3.6vw, 40px);
    line-height: 1.08;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-copy > p {
    max-width: 760px;
    font-size: 15px;
    line-height: 1.65;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-meta {
    grid-column: 1;
    grid-row: 4;
    flex-wrap: nowrap;
    margin-top: 14px;
    white-space: nowrap;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-latest {
    grid-column: 2;
    grid-row: 4;
    display: flex;
    align-items: baseline;
    min-width: 0;
    gap: 8px;
    margin-top: 14px;
    overflow: hidden;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-latest span {
    flex: 0 0 auto;
    font-family: var(--font-mono);
    font-size: 11px;
    white-space: nowrap;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-latest span::after {
    content: "·";
    margin-left: 8px;
    color: var(--muted-soft);
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-latest strong {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    line-height: 1.5;
  }
}

@media (max-width: 760px) {
  /* Mobile bookshelf overview stays compact: the whole row is already the affordance. */
  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    padding: 24px 0;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  )::before {
    grid-column: 1;
    grid-row: 1;
    width: 88px;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) > .bookshelf-book-copy {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) > .bookshelf-book-index,
  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) > .bookshelf-book-arrow,
  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-latest {
    display: none;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-category {
    font-size: 10px;
    letter-spacing: 0.1em;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-copy h2 {
    margin: 5px 0 8px;
    font-size: clamp(28px, 7.8vw, 32px);
    line-height: 1.08;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-copy > p {
    display: -webkit-box;
    overflow: hidden;
    margin: 0;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    font-size: 13px;
    line-height: 1.55;
  }

  .bookshelf-grid > a.bookshelf-book[href="/books/huangyan"] .bookshelf-book-copy > p::after {
    display: none;
  }

  .bookshelf-grid > a.bookshelf-book:is(
    [href="/books/agent"],
    [href="/books/product"],
    [href="/books/psalms"],
    [href="/books/huangyan"]
  ) .bookshelf-book-meta {
    flex-wrap: nowrap;
    gap: 10px;
    margin-top: 11px;
    overflow: hidden;
    white-space: nowrap;
    font-size: 10px;
  }
}

@media (max-width: 520px) {
  /* Keep the book contents list dense after removing the interior cover. */
  .book-index-main .book-index-header {
    padding-bottom: 26px;
  }

  .book-index-main .book-entry-list {
    margin-top: 0;
  }

  .book-index-main .book-entry-list a {
    grid-template-columns: 34px minmax(0, 1fr) 16px;
    gap: 10px;
    align-items: start;
    padding: 20px 0;
  }

  .book-index-main .book-entry-order {
    padding-top: 4px;
    font-size: 10px;
  }

  .book-index-main .book-entry-copy {
    gap: 5px;
  }

  .book-index-main .book-entry-copy strong {
    font-size: 16px;
    line-height: 1.45;
  }

  .book-index-main .book-entry-copy small {
    font-size: 12.5px;
    line-height: 1.55;
  }

  .book-index-main .book-entry-list svg {
    margin-top: 3px;
  }
}