.basic-sentence-division {
  margin-bottom: 2rem;
}

.basic-sentence-division h3 {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: #555;
  margin-bottom: 1rem;
}

/* Center-aligned items: vocabulary words/phrases */
.basic-sentence-item--center {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 0.2rem 0;
  text-align: center;
}

/* Left-aligned items: full sentences */
.basic-sentence-item--left {
  display: flex;
  gap: 2rem;
  padding: 0.25rem 0;
}

.basic-sentence-item--center .text-en,
.basic-sentence-item--center .text-de {
  flex: 1;
  text-align: center;
}

.basic-sentence-item--left .text-en,
.basic-sentence-item--left .text-de {
  flex: 1;
}

.basic-sentence-item--left .text-de {
  font-style: italic;
}

.speaker {
  font-weight: 600;
  margin-right: 0.4rem;
  flex-shrink: 0;
}

.note {
  font-size: 0.85rem;
  color: #888;
  margin-left: 0.25rem;
}

.basic-sentence-item:hover {
  background: #e3f2fd;
  border-radius: 4px;
  padding-left: 0.5rem;
  margin-left: -0.5rem;
}

.audio-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.audio-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1.5px solid #1976d2;
  border-radius: 3px;
  background: #fff;
  color: #1976d2;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.audio-btn:hover {
  background: #1976d2;
  color: #fff;
}

.audio-btn--slow {
  border-color: #888;
  color: #555;
}

.audio-btn--slow:hover {
  background: #888;
  color: #fff;
}