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.15s,border-color .15s;display:block}.lesson-rail ol a:hover{color:var(--ink)}.lesson-rail ol a[aria-current=location]{border-left-color:var(--accent);color:var(--accent);font-weight:500}.lesson-rail-top{color:var(--ink-faint);margin-top:14px;font-size:12.5px;display:inline-block}.lesson-layout.has-rail .lesson-toc{display:none}@media (max-width:1380px){.lesson-layout,.lesson-layout.has-rail{grid-template-columns:260px minmax(0,1fr);gap:44px}:root[data-coursemap=collapsed] .lesson-layout,:root[data-coursemap=collapsed] .lesson-layout.has-rail{grid-template-columns:32px minmax(0,1fr)}.lesson-rail{display:none}.lesson-layout.has-rail .lesson-toc{display:block}}@media (max-width:1080px){.learn-hero{grid-template-columns:minmax(0,1fr);gap:32px}.module-row{grid-template-columns:48px minmax(0,1fr) 150px 18px}.module-row-meta{display:none}.module-badge{width:48px;height:48px}}@media (max-width:960px){.lesson-layout,.lesson-layout.has-rail,:root[data-coursemap=collapsed] 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16px;gap:12px;padding:12px}.module-row-progress{grid-column:2/4}.module-badge{width:40px;height:40px;font-size:1.1rem}.module-row-tag{display:none}.module-row-arrow{grid-area:1/3}.module-facts dd{font-size:1.25rem}.how,.project-strip,.project-cards,.word-grid,.glossary-group dl,.outcomes ul,.ti{grid-template-columns:minmax(0,1fr)}.path-map svg{display:none}.pm-list{border-left:2px dashed var(--accent-line);margin:0 0 0 13px;padding:0;list-style:none;display:grid}.pm-list a{align-items:center;gap:12px;margin-left:-14px;padding:8px 0;font-size:14.5px;font-weight:500;display:flex}.pm-list span{border:2px solid var(--accent);background:var(--bg);width:26px;height:26px;color:var(--accent);border-radius:50%;place-items:center;font-size:12px;font-weight:700;display:grid}.lesson-row{grid-template-columns:16px minmax(0,1fr);gap:6px 12px;padding:14px 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