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h1{font-family:var(--font-display);margin:0;font-size:clamp(30px,4vw,42px);font-weight:500;line-height:1.2}.share-summary{color:#4f4a42;max-width:720px;margin:0;font-size:15px;line-height:1.7}.share-meta{flex-wrap:wrap;gap:8px;margin:4px 0 0;display:flex}.share-meta span{border:1px solid var(--line);background:var(--panel);color:var(--ink-2);font-family:var(--font-mono);border-radius:999px;padding:4px 10px;font-size:12px}.share-note{color:var(--quiet);margin:0;font-size:13px}.share-error{color:var(--wrong);margin:0;font-size:13px}.share-layout{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:48px;padding-top:32px;padding-bottom:72px;display:grid}.share-lesson-nav{flex-direction:column;gap:10px;display:flex;position:sticky;top:80px}.share-lesson-nav h2{color:var(--ink-2);margin:0;font-size:13px;font-weight:600}.share-lesson-nav ol{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.share-lesson-item{width:100%;color:var(--ink-2);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;grid-template-columns:24px minmax(0,1fr) auto;align-items:baseline;gap:8px;padding:9px 10px;font-size:13px;line-height:1.45;display:grid}.share-lesson-item:hover:not(:disabled){background:var(--paper-deep)}.share-lesson-index{color:var(--quiet);font-family:var(--font-mono);font-size:11px}.share-lesson-item.active{background:var(--pine-tint);color:var(--pine);font-weight:500}.share-lesson-item.active .share-lesson-index{color:var(--pine)}.share-lesson-item.planned{color:var(--quiet);cursor:default}.share-lesson-item em{color:var(--quiet);font-size:11px;font-style:normal}.share-lesson-body{flex-direction:column;gap:16px;min-width:0;display:flex}.share-lesson-title{font-family:var(--font-display);margin:0 0 4px;font-size:26px;font-weight:500;line-height:1.3}.share-empty{border:1px dashed var(--line-strong);color:var(--ink-muted);border-radius:12px;margin:0;padding:22px 24px}@media (max-width:860px){.share-layout{grid-template-columns:minmax(0,1fr);gap:24px}.share-lesson-nav{position:static}}