/* ---------------------------------------------------------------------------
   Free ebooks — Project Gutenberg's whole catalog at /free-ebooks/. The
   server writes the first page of the list (site-pages.js) and free-ebooks.js
   searches and pages through the rest. Page colours come from the site
   tokens, so dark mode follows them; only the small covers carry fixed
   colours, like the printed covers they stand in for.
   --------------------------------------------------------------------------- */
.library-page .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Head ---- */
.library-head {
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
  background: linear-gradient(180deg, var(--spine-50), var(--paper-50) 80%);
}
.library-page .library-head h1 {
  margin: var(--space-3) 0 0;
  max-width: 820px;
  color: var(--text-strong);
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(40px, 5.4vw, 66px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -.045em;
}
.library-page .library-head h1 span {
  color: #a34323;
  font-style: italic;
  font-weight: 400;
}
.library-lede {
  margin: var(--space-5) 0 0;
  max-width: 60ch;
  font-size: var(--text-body-size);
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---- Search, language and subject ---- */
.library-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.library-tools[hidden] {
  display: none;
}
.library-search {
  position: relative;
  display: block;
  flex: 1 1 320px;
  max-width: 460px;
}
.library-search svg {
  position: absolute;
  left: 16px;
  top: 50%;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}
.library-search input {
  width: 100%;
  height: 48px;
  padding: 0 16px 0 44px;
  border: 1px solid var(--border-default);
  border-radius: 14px;
  background: var(--surface-card);
  color: var(--text-strong);
  font: 400 16px/1 var(--font-body);
  box-shadow: var(--shadow-s);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.library-search input::placeholder {
  color: var(--text-faint);
}
.library-search input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--focus-ring);
}
.library-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.library-select select {
  height: 48px;
  max-width: 230px;
  padding: 0 40px 0 14px;
  border: 1px solid var(--border-default);
  border-radius: 14px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2376665b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E")
    right 14px center / 16px no-repeat,
    var(--surface-card);
  color: var(--text-strong);
  font: 400 15px/1 var(--font-body);
  box-shadow: var(--shadow-s);
  appearance: none;
  cursor: pointer;
  text-overflow: ellipsis;
}
.library-select select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--focus-ring);
}

/* ---- The list ---- */
.library-list {
  padding-bottom: var(--space-16);
}
.library-status {
  min-height: 1.4em;
  margin: var(--space-6) 0 0;
  font: var(--type-caption);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--text-faint);
}
/* A problem is a sentence to read, not a caption to skim past. */
.library-status.is-error {
  font: 500 15px/1.5 var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-strong);
}
.catalog-unavailable {
  margin-top: var(--space-8);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-l);
  background: var(--tint-amber);
}
.catalog-unavailable[hidden] {
  display: none;
}
.catalog-unavailable p {
  margin: 0;
  max-width: 64ch;
  font-size: var(--text-body-s);
  line-height: 1.6;
  color: var(--text-body);
}
.catalog {
  margin-top: var(--space-4);
}
.catalog[hidden] {
  display: none;
}
.catalog-results {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border-hairline);
}
.catalog-results[aria-busy="true"] {
  opacity: .55;
  transition: opacity .15s ease .1s;
}
.result {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2) var(--space-5);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-hairline);
}
.result-cover {
  --cover-bg: #b5532a;
  --cover-ink: #fff1e4;
  display: grid;
  place-items: center;
  width: 48px;
  aspect-ratio: 2 / 3;
  border-radius: 2px 5px 5px 2px;
  background: var(--cover-bg);
  color: var(--cover-ink);
  font: italic 500 22px/1 "Newsreader", Georgia, serif;
  box-shadow: inset 3px 0 0 rgb(0 0 0 / 16%), 0 6px 12px -6px rgb(43 30 24 / 40%);
}
.result-cover.cover-1 { --cover-bg: #2f5d66; --cover-ink: #e9f3ef; }
.result-cover.cover-2 { --cover-bg: #e0ad4c; --cover-ink: #2b1e18; }
.result-cover.cover-3 { --cover-bg: #5e4a6e; --cover-ink: #f5ecf7; }
.result-cover.cover-4 { --cover-bg: #4d6a4f; --cover-ink: #eef3e6; }
.result-cover.cover-5 { --cover-bg: #2b1e18; --cover-ink: #f2d3b8; }
.library-page .result-title {
  margin: 0;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -.01em;
}
.result-title a {
  color: var(--text-strong);
  text-decoration: none;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.result-title a:hover {
  color: var(--text-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.result-meta {
  margin: 2px 0 0;
  font-size: 14px;
  line-height: 1.45;
  color: var(--text-muted);
}
.book-get {
  display: flex;
  gap: var(--space-2);
}
.book-get .c2e-btn {
  gap: 6px;
  padding: 0 12px;
  border-radius: 10px;
  font-weight: 600;
}
.book-get svg {
  width: 15px;
  height: 15px;
}
.catalog-more {
  display: flex;
  margin: var(--space-8) auto 0;
}
.catalog-more[hidden] {
  display: none;
}
.catalog-more[aria-disabled="true"] {
  opacity: .6;
  cursor: progress;
}

/* ---- No match, and the way out to Gutenberg ---- */
.library-empty {
  display: grid;
  justify-items: start;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding: var(--space-8);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-l);
}
.library-empty[hidden] {
  display: none;
}
.library-empty p {
  margin: 0;
  font-size: var(--text-body-size);
  color: var(--text-body);
}
.library-more {
  margin: var(--space-16) 0 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-hairline);
  font-size: var(--text-body-s);
  color: var(--text-muted);
}
.library-more a,
.catalog-unavailable a,
.library-help p a {
  color: var(--text-link);
  font-weight: 600;
  text-underline-offset: 3px;
}
.library-more a:hover,
.catalog-unavailable a:hover,
.library-help p a:hover {
  color: var(--text-link-hover);
}

/* ---- Help, source and the converter ---- */
.library-help {
  padding-block: var(--space-16) var(--space-20);
  background: var(--surface-sunken);
  border-top: 1px solid var(--border-hairline);
}
.library-page .library-help h2 {
  margin: 0 0 var(--space-6);
  color: var(--text-strong);
  font-size: 30px;
  letter-spacing: -.035em;
}
.library-help-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}
.library-help-grid .c2e-card p {
  font-size: 15px;
  color: var(--text-body);
}
.library-help-grid code {
  font: 500 13px/1 var(--font-mono);
}
.library-help-grid a {
  display: inline-block;
  margin-top: var(--space-2);
}
.library-source {
  max-width: 68ch;
  margin-top: var(--space-16);
}
.library-source p {
  margin: 0 0 var(--space-3);
  font-size: var(--text-body-s);
  line-height: 1.65;
  color: var(--text-body);
}
.library-cta {
  margin-top: var(--space-12);
}

@media (max-width: 760px) {
  .library-help-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .library-head { padding-top: var(--space-10); padding-bottom: var(--space-8); }
  .library-search { flex-basis: 100%; max-width: none; }
  .library-filters { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .library-select select { width: 100%; max-width: none; }
  /* The download buttons drop under the title instead of squeezing it. */
  .result { grid-template-columns: 40px minmax(0, 1fr); align-items: start; }
  .result-cover { width: 40px; font-size: 18px; }
  .result .book-get { grid-column: 2; gap: 6px; }
  .result .book-get .c2e-btn { padding: 0 10px; }
  .library-empty,
  .catalog-unavailable { padding: var(--space-6); }
}

/* ---- Dark ---- */
:root[data-theme="dark"] .library-page .library-select select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a58f7d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}
:root[data-theme="dark"] .library-page .library-head h1 span { color: #e9855b; }
/* The near-black cover would vanish into the dark page, so it turns cream. */
:root[data-theme="dark"] .library-page .result-cover.cover-5 { --cover-bg: #efe0cc; --cover-ink: #3d2a20; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .library-page .library-select select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a58f7d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  }
  :root:not([data-theme="light"]) .library-page .library-head h1 span { color: #e9855b; }
  :root:not([data-theme="light"]) .library-page .result-cover.cover-5 { --cover-bg: #efe0cc; --cover-ink: #3d2a20; }
}