/* 学习路径 · 纵向节点 */
.lp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 0 4px;
}
.lp-progress-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}
.lp-progress-count {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-light);
  background: #f5f0ff;
  padding: 4px 10px;
  border-radius: 999px;
}

.lp-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 360px;
  margin: 0 auto;
}

.lp-row { width: 100%; }

.lp-node {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 2.5px solid #ece6ff;
  background: #fff;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(124, 92, 255, 0.06);
}
.lp-node:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 6px 16px rgba(124, 92, 255, 0.12);
}
.lp-node.current {
  border-color: var(--accent-dark);
  background: linear-gradient(135deg, #fffaf0, #fff);
  box-shadow: 0 4px 14px rgba(232, 148, 32, 0.15);
}
.lp-node.done {
  border-color: #4cd964;
  background: linear-gradient(135deg, #f0fff4, #fff);
}
.lp-node.locked {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.3);
}
.lp-node.practice {
  border-style: dashed;
  padding: 10px 14px;
}
.lp-node.practice .lp-emoji { font-size: 1.2rem; }

.lp-emoji {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 2.2rem;
  text-align: center;
}
.lp-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.lp-title { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.lp-sub { font-size: 0.75rem; color: var(--text-light); }

.lp-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 8px;
  flex-shrink: 0;
  background: #eaffea;
  color: #2a9d4e;
}
.lp-badge.current {
  background: #fff0d0;
  color: #c67600;
}
.lp-badge.lock {
  background: #f0f0f0;
  color: #999;
}

.lp-connector {
  width: 4px;
  height: 14px;
  margin: 2px auto;
  border-radius: 4px;
  background: #ddd0ff;
}
.lp-connector.done { background: #4cd964; }

.lp-hint {
  font-size: 0.75rem;
  color: var(--text-light);
  text-align: center;
  margin-top: 14px;
  line-height: 1.5;
}