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var(--line-strong);opacity:.85}.lesson-doc-map-item-indicator{flex-shrink:0;margin-top:1px;font-size:.6rem;line-height:1.45}.lesson-doc-map-item--required .lesson-doc-map-item-indicator{color:var(--gold)}.lesson-doc-map-item--optional .lesson-doc-map-item-indicator{color:var(--muted)}.lesson-doc-map-item-content{display:flex;flex-direction:column;gap:2px}.lesson-doc-map-item-name{font-size:.88rem;font-weight:500;color:var(--ink);line-height:1.45}.lesson-doc-map-item-desc{font-size:.8rem;color:var(--ink-secondary);line-height:1.45}.lesson-progress-bar{width:100%;height:4px;background:var(--surface-alt);border-radius:2px;overflow:hidden}.lesson-progress-bar-fill{height:100%;background:var(--gold);border-radius:2px;transition:width var(--transition)}.lesson-progress-label{margin:0;font-size:.78rem;color:var(--muted)}.lesson-status-badge{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;font-weight:500}.lesson-status-badge--completed{color:var(--gold)}.lesson-status-badge--completed:before{content:"\2713";font-weight:700}.lesson-status-badge--in-progress{color:var(--muted)}@media (max-width:640px){.lesson-hub{padding-left:16px;padding-right:16px}.lesson-hub-title{font-size:1.6rem}.lesson-module-grid{grid-template-columns:1fr}.lesson-module-page,.lesson-page{padding-left:16px;padding-right:16px}.lesson-list-card{flex-direction:column;gap:10px}.lesson-list-time{align-self:flex-start}.lesson-nav{flex-direction:column;gap:8px}.lesson-nav-next{text-align:left}.lesson-match-columns{grid-template-columns:1fr}.lesson-timeline-card{padding:10px 12px}}