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var(--border);border-radius:12px}.glossary-icon{color:var(--purple);margin-bottom:.5rem}.glossary-chapter{display:block;font-size:.7rem;font-family:var(--font-mono);color:var(--purple);margin-bottom:.35rem}.glossary-card strong{display:block;margin-bottom:.5rem;font-size:1.05rem}.glossary-card p{font-size:.88rem;color:var(--text-muted);line-height:1.5}.glossary-empty{text-align:center;color:var(--text-muted);padding:2rem}.features-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;padding:2rem;max-width:1200px;margin:0 auto 2rem}.feature-pill{text-align:center;padding:1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:12px}.feature-pill span{display:block;font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--purple)}.feature-pill small{font-size:.75rem;color:var(--text-muted)}.skill-tree-large{height:560px}a.skill-node{text-decoration:none;color:inherit;cursor:pointer}@media(max-width:768px){.lesson-modal-footer{flex-direction:column}.lesson-modal-footer .btn-primary,.lesson-modal-footer .btn-secondary{width:100%;justify-content:center}.skill-tree-large{height:480px}.nav-links{display:none}}