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.dialog-author{color:var(--mint)}.lesson-content .tags-cloud{flex-wrap:wrap;gap:8px;margin:.4rem 0 1.1rem;display:flex}.lesson-content .tag{min-height:28px;color:var(--ice);background:#3dffc814;border:1px solid #3dffc847;border-radius:999px;align-items:center;padding:4px 10px;font-size:.85rem;line-height:1.2;display:inline-flex}.lesson-content .lesson-navigation{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:2rem;padding-top:1.25rem;display:flex}.lesson-content .nav-placeholder{display:none}.lesson-content .nav-btn{border:1px solid var(--line);color:var(--ice);white-space:nowrap;border-radius:12px;align-items:center;gap:8px;padding:12px 16px;text-decoration:none;display:inline-flex}.lesson-content .nav-btn.nav-next,.lesson-content .nav-btn.next{border-color:#3dffc859;margin-left:auto}.lesson-actions{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.faq-layout{gap:28px;display:grid}.faq-group h2{font-family:var(--font-display);color:var(--mint);margin:0 0 12px;font-size:1.1rem}.faq-list{border:1px solid var(--line);background:var(--ink-2);border-radius:14px;overflow:hidden}.faq-item+.faq-item{border-top:1px solid var(--line)}.faq-item summary{cursor:pointer;font-family:var(--font-display);justify-content:space-between;gap:16px;padding:16px 18px;font-weight:650;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--mint)}.faq-item[open] summary:after{content:"–"}.faq-item p{color:var(--mute);margin:0;padding:0 18px 16px}.muted{color:var(--mute)}.error-box{color:#ffc2c9;background:#ff7b8a14;border:1px solid #ff7b8a59;border-radius:12px;padding:16px 18px}@keyframes drift{0%{transform:translate(0,0)}to{transform:translate(-40px,24px)}}@keyframes float-y{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes 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