/* The library keeps search visible while its five optional filters are disclosed on demand. */
.page:has(#bookGrid) .toolbar {
  margin: 18px 0 10px;
  gap: 12px;
}
.page:has(#bookGrid) .toolbar .search-input {
  flex: 1 1 480px;
  min-height: 48px;
  font-size: 15px;
}
.page:has(#bookGrid) .toolbar #resetFilters {
  min-height: 44px;
  font-size: 13px;
}
.library-filters {
  margin: 0 0 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.library-filters > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}
.library-filters > summary::-webkit-details-marker { display: none; }
.library-filters > summary::after {
  content: '⌄';
  margin-left: auto;
  color: var(--muted);
  font-size: 20px;
  line-height: 1;
  transition: transform .15s;
}
.library-filters[open] > summary::after { transform: rotate(180deg); }
.library-filters > summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}
.library-filter-count {
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}
.library-filter-count[hidden] { display: none; }
.library-filters .filter-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0 14px 16px;
}
.library-filters .filter-grid label { font-size: 13px; }
.library-filters .filter-grid .select {
  min-height: 44px;
  font-size: 14px;
}
.page:has(#bookGrid) .result-count {
  margin: 0 0 16px;
  font-size: 13px;
}
#bookGrid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
#bookGrid .book-cover {
  aspect-ratio: 1.35;
  padding: 18px;
}
#bookGrid .book-cover img { max-height: 205px; }
#bookGrid .book-body {
  gap: 4px;
  padding: 17px 18px 19px;
}
#bookGrid .book-title {
  min-height: 2.9em;
  margin: 5px 0 2px;
  font-size: 16px;
  line-height: 1.45;
}
#bookGrid .book-author,
#bookGrid .book-ge { font-size: 13px; line-height: 1.55; }
#bookGrid .mini-label { font-size: 12px; }
#bookGrid .book-body > .section-link { font-size: 14px; }

@media (min-width: 1600px) {
  #bookGrid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  #bookGrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .library-filters .filter-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .page:has(#bookGrid) .toolbar { align-items: stretch; }
  .page:has(#bookGrid) .toolbar .search-input { flex-basis: 100%; }
  .library-filters .filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #bookGrid { gap: 12px; }
  #bookGrid .book-body { padding: 14px; }
  #bookGrid .book-title { font-size: 15px; }
}
@media (max-width: 520px) {
  #bookGrid { grid-template-columns: 1fr; }
  #bookGrid .book-cover { aspect-ratio: 1.5; }
}