/* ===== Matching (配对题) ===== */
.matching-container {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: center;
  position: relative;
}
.matching-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  max-width: 280px;
}
.matching-card {
  padding: 12px 14px;
  border: 2px solid #E8E4D8;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-card);
  font-size: 0.9rem;
}
.matching-card:hover {
  border-color: var(--primary-light);
  background: #FFFDF5;
}
.matching-card.selected {
  border-color: var(--primary);
  background: var(--gold-light);
  box-shadow: 0 0 0 3px rgba(212,168,67,0.15);
}
.matching-card.paired {
  border-color: var(--accent-light);
  background: #E8F5E9;
}
.matching-card.paired::after {
  content: ' ✓';
  color: var(--success);
  font-weight: 700;
}
.matching-card-label {
  display: block;
  line-height: 1.4;
}

/* ===== Sequencing (排序题) ===== */
.seq-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 16px;
}
.seq-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.seq-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 2px solid #E8E4D8;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}
.seq-card:hover {
  border-color: var(--primary-light);
  background: #FFFDF5;
  transform: translateX(4px);
}
.seq-card.seq-selected {
  border-color: var(--primary);
  background: var(--gold-light);
  box-shadow: 0 0 0 3px rgba(212,168,67,0.2);
  transform: scale(1.02);
}
.seq-card-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-path);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-shrink: 0;
}
.seq-card.seq-result.seq-correct { border-color: var(--success); background: #E8F5E9 }
.seq-card.seq-result.seq-correct .seq-card-num { background: var(--success); color: #fff }
.seq-card.seq-result.seq-wrong { border-color: var(--danger); background: #FFEBEE }
.seq-card.seq-result.seq-wrong .seq-card-num { background: var(--danger); color: #fff }
.seq-card-text { font-weight: 500; font-size: 0.95rem }

/* ===== True/False (判断题) ===== */
.tf-container {
  display: flex;
  gap: 16px;
  justify-content: center;
}
.tf-btn {
  flex: 1; max-width: 200px;
  padding: 28px 20px;
  border: 3px solid #E8E4D8;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-card);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.tf-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.tf-btn.tf-true:hover { border-color: var(--success); background: #E8F5E9 }
.tf-btn.tf-false:hover { border-color: var(--danger); background: #FFEBEE }
.tf-btn-icon {
  font-size: 2.5rem;
  font-weight: 700;
}
.tf-btn.tf-true .tf-btn-icon { color: var(--success) }
.tf-btn.tf-false .tf-btn-icon { color: var(--danger) }
.tf-btn-label { font-size: 1.1rem; font-weight: 700; color: var(--text) }
.tf-btn.tf-correct {
  border-color: var(--success);
  background: #E8F5E9;
}
.tf-btn.tf-correct .tf-btn-icon { color: var(--success) }
.tf-btn.tf-wrong {
  border-color: var(--danger);
  background: #FFEBEE;
  animation: shake 0.4s ease;
}
.tf-btn.tf-wrong .tf-btn-icon { color: var(--danger) }
.tf-btn:disabled { cursor: default; transform: none; box-shadow: none }

/* ===== Scenario (情景题) ===== */
.scenario-box {
  background: linear-gradient(135deg, #FDF8F0, #FFFDF5);
  border: 2px solid var(--gold-light);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 8px;
}
.scenario-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.scenario-text {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
}
.scenario-option-content {
  display: flex;
  flex-direction: column;
}
.scenario-option-feedback {
  font-size: 0.78rem;
  margin-top: 4px;
  line-height: 1.4;
}

/* ===== Term (术语解释题) ===== */
.term-display {
  text-align: center;
  padding: 24px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--gold-light), #FFFDF5);
  border-radius: var(--radius);
  border: 2px solid var(--gold);
}
.term-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.term-word {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 1px;
}
.term-info-card {
  margin-top: 16px;
  padding: 16px;
  background: #E8F5E9;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--success);
}
.term-info-pali {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 4px;
}
.term-info-chinese {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 6px;
}
.term-info-detail {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}