#vocab-app {
  max-width: 48rem;
  margin-inline: auto;
}
#vocab-app h1 {
  margin-block: var(--space-6) var(--space-2);
}
.vocab-hint {
  font-size: var(--text-7);
  margin-block: 0 var(--space-6);
}
kbd {
  font-family: var(--font-mono);
  font-size: 0.8em;
  padding: 1px 4px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--accent);
}
.vocab-toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-block-end: var(--space-6);
}
#vocab-search {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  font-size: 1rem;
  width: 100%;
  box-sizing: border-box;
}
#vocab-search:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}
.vocab-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-block: var(--space-4);
  flex-wrap: wrap;
}
.vocab-pagination button,
#fc-prev,
#fc-next,
#fc-shuffle {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.vocab-pagination button:not(:disabled):hover,
#fc-prev:hover,
#fc-next:hover,
#fc-shuffle:hover {
  opacity: 0.7;
}
.vocab-pagination button:disabled {
  opacity: 0.3;
  cursor: default;
  text-decoration: none;
}
.vocab-pagination span {
  color: var(--muted);
  font-size: 1rem;
}

/* Word cards */
.word-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-block-end: var(--space-3);
}
.word-card:hover {
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.word-card:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}
.word-card-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  cursor: pointer;
  flex-wrap: wrap;
}
.word-card-header h3 {
  margin: 0;
  font-family: "EB Garamond", serif;
  font-size: 1.25rem;
}
.word-ipa {
  color: var(--muted);
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.85rem;
  white-space: nowrap;
  cursor: pointer;
  border-radius: 3px;
  padding: 0 2px;
}
.word-ipa:hover {
  background: var(--accent);
  text-decoration: underline;
}
.word-pos {
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--accent);
  padding: 1px var(--space-2);
  border-radius: var(--radius);
}
.word-card-body {
  display: none;
  margin-block-start: var(--space-3);
  padding-block-start: var(--space-3);
  border-top: 1px solid var(--border);
}
.word-card.expanded .word-card-body {
  display: block;
}
.def-block {
  margin-block-end: var(--space-3);
}
.def-en {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-block-end: 2px;
}
.def-zh {
  color: var(--muted);
  font-size: 0.9rem;
  margin-block-end: var(--space-2);
}
.def-examples {
  padding-left: var(--space-4);
  margin: 0;
  list-style: none;
}
.def-examples li {
  font-size: 0.875rem;
  margin-block-end: var(--space-1);
  color: var(--fg);
}
.def-examples li .ex-zh {
  display: block;
  font-style: italic;
}
.sense-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-block-end: var(--space-2);
}

/* Flashcard */
#flashcard-container {
  width: 100%;
  margin: 0 auto;
}
.flashcard-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: var(--space-4);
}
.flashcard {
  perspective: 1000px;
  outline: none;
}
.flashcard-inner {
  display: grid;
  height: 100%;
  transition: transform 0.4s ease;
  transform-style: preserve-3d;
}
.flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}
.flashcard-front,
.flashcard-back {
  grid-row: 1;
  grid-column: 1;
  height: 100%;
  backface-visibility: hidden;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  padding: var(--space-6);
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.flashcard-back {
  transform: rotateY(180deg);
  align-items: flex-start;
  justify-content: flex-start;
  gap: var(--space-3);
}
.flashcard-word {
  font-size: 2rem;
  font-weight: 700;
  font-family: "EB Garamond", serif;
}
#fc-front-meta {
  width: 100%;
  text-align: center;
}
.flashcard-ipa {
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--muted);
  cursor: pointer;
  border-radius: 3px;
  padding: 0 2px;
}
.flashcard-ipa:hover {
  background: var(--accent);
  text-decoration: underline;
}
.flashcard-pos {
  font-size: 0.85rem;
  color: var(--muted);
  padding: 2px var(--space-3);
  border-radius: var(--radius);
  margin-block-start: var(--space-2);
}
.fc-section {
  width: 100%;
}
.fc-section strong {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
@media (max-width: 600px) {