:root {
  --parchment: #F5E6D3;
  --parchment-dim: #A0927F;
  --charcoal: #1A1A1A;
  --charcoal-raised: #242424;
  --charcoal-border: #3D3D3D;
  --bronze: #8C7B65;
  --serif-display: 'Playfair Display', Georgia, serif;
  --serif-body: 'Merriweather', Georgia, serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--charcoal);
  color: var(--parchment);
  font-family: var(--serif-body);
  line-height: 1.6;
}

a { color: var(--parchment); }

.site-header {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  border-bottom: 1px solid var(--charcoal-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.logo { flex-shrink: 0; }

.header-text { text-align: left; }

.site-header h1 {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: 2.2rem;
  letter-spacing: 0.03em;
  margin: 0;
  text-transform: uppercase;
}

.tagline {
  margin: 0.25rem 0 0;
  color: var(--parchment-dim);
  font-size: 0.95rem;
  font-style: italic;
}

.library-stats {
  margin: 1.25rem 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bronze);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

#search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--charcoal-raised);
  border: 1px solid var(--charcoal-border);
  border-radius: 4px;
  color: var(--parchment);
  font-family: var(--serif-body);
  font-size: 1rem;
}

#search-input:focus {
  outline: none;
  border-color: var(--bronze);
}

#search-input::placeholder { color: var(--parchment-dim); }

.genre-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.genre-chip {
  padding: 0.3rem 0.8rem;
  background: var(--charcoal-raised);
  border: 1px solid var(--charcoal-border);
  border-radius: 999px;
  color: var(--parchment-dim);
  font-size: 0.8rem;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s, color 0.15s;
}

.genre-chip:hover { border-color: var(--bronze); }

.genre-chip.active {
  color: var(--charcoal);
  background: var(--parchment);
  border-color: var(--parchment);
}

.result-count {
  color: var(--parchment-dim);
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.book-card {
  background: var(--charcoal-raised);
  border: 1px solid var(--charcoal-border);
  border-left: 3px solid var(--bronze);
  border-radius: 4px;
  overflow: hidden;
}

.book-card-toggle {
  all: unset;
  display: block;
  width: 100%;
  padding: 1.25rem;
  cursor: pointer;
  box-sizing: border-box;
  transition: background 0.15s;
}

.book-card-toggle:hover { background: rgba(245, 230, 211, 0.04); }
.book-card-toggle:focus-visible { outline: 2px solid var(--bronze); outline-offset: -2px; }

.book-title {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 0 0.15rem;
  color: var(--parchment);
}

.book-author {
  margin: 0 0 0.75rem;
  color: var(--bronze);
  font-size: 0.85rem;
  font-style: italic;
}

.book-teaser {
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
  color: var(--parchment-dim);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Read the full teaser once a card is expanded -- otherwise expanding
   felt like "nothing happened" (direct feedback), since the visible
   text never actually changed. */
[aria-expanded="true"] .book-teaser {
  -webkit-line-clamp: unset;
  overflow: visible;
}

.book-subjects {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.subject-pill {
  font-size: 0.68rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--charcoal-border);
  border-radius: 999px;
  color: var(--parchment-dim);
}

.book-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.4rem;
}

.book-meta {
  margin: 0;
  font-size: 0.78rem;
  color: var(--parchment-dim);
}

.expand-hint {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--bronze);
  white-space: nowrap;
}

.expand-icon {
  display: inline-block;
  transition: transform 0.2s;
}

[aria-expanded="true"] .expand-icon { transform: rotate(180deg); }

.chapter-list {
  border-top: 1px solid var(--charcoal-border);
  max-height: 260px;
  overflow-y: auto;
}

.chapter-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.25rem;
  text-decoration: none;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--charcoal-border);
  transition: background 0.1s;
  cursor: pointer;
}

.chapter-row:last-child { border-bottom: none; }

.chapter-row:hover { background: rgba(245, 230, 211, 0.06); }
.chapter-row:hover .chapter-row-hint { opacity: 1; }
.chapter-row:hover .chapter-play-icon { color: var(--parchment); }

.chapter-play-icon {
  color: var(--bronze);
  font-size: 0.7rem;
  flex-shrink: 0;
  transition: color 0.1s;
}

.chapter-index {
  color: var(--bronze);
  font-family: var(--serif-display);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.chapter-title { flex: 1; }

.chapter-row-hint {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--parchment-dim);
  opacity: 0;
  transition: opacity 0.1s;
}

.empty-state {
  text-align: center;
  color: var(--parchment-dim);
  padding: 3rem 1rem;
  font-style: italic;
}

.contact-section {
  border-top: 1px solid var(--charcoal-border);
  padding: 2.5rem 1.5rem;
}

.contact-inner {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.contact-section h2 {
  font-family: var(--serif-display);
  font-size: 1.3rem;
  margin: 0 0 0.4rem;
  color: var(--parchment);
}

.contact-section p {
  margin: 0 0 1.25rem;
  font-size: 0.88rem;
  color: var(--parchment-dim);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--charcoal-raised);
  border: 1px solid var(--charcoal-border);
  border-radius: 4px;
  color: var(--parchment);
  font-family: var(--serif-body);
  font-size: 0.92rem;
  resize: vertical;
  box-sizing: border-box;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--bronze);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--parchment-dim); }

.contact-form button {
  padding: 0.75rem 1rem;
  background: var(--bronze);
  color: var(--charcoal);
  border: none;
  border-radius: 4px;
  font-family: var(--serif-body);
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  transition: opacity 0.15s;
}

.contact-form button:hover { opacity: 0.85; }

.site-footer {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  color: var(--parchment-dim);
  font-size: 0.85rem;
}

.site-footer a { color: var(--bronze); }

@media (max-width: 480px) {
  .header-inner { flex-direction: column; text-align: center; }
  .header-text { text-align: center; }
}