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var(--border);background:#f5dfba;border-radius:50%;place-items:center;width:36px;height:36px;font-size:13px;font-weight:900;display:grid}.lesson-card.completed .lesson-status{background:var(--success-soft);color:#315c43}.lesson-card h3{margin:4px 0 5px;font-size:19px}.lesson-card summary p{max-width:920px;color:var(--muted);margin:0;font-size:13px}.lesson-chevron{font-size:24px;transition:transform .16s}.lesson-card[open] .lesson-chevron{transform:rotate(180deg)}.lesson-body{border-top:1px solid #2e2b262b;grid-template-columns:minmax(0,1fr) 220px;gap:24px;padding:20px 20px 24px 68px;display:grid}.lesson-content h4{margin:20px 0 8px;font-size:16px}.lesson-content h4:first-child{margin-top:0}.lesson-content p,.lesson-content li{color:#4f4b44;font-size:14px;line-height:1.72}.source-links{flex-direction:column;gap:8px;padding:0;list-style:none;display:flex}.source-links li{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.source-links 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h4{margin-top:0}.quiz-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:12px 0 16px;display:grid}.quiz-options label{background:var(--surface);cursor:pointer;border:1px solid #2e2b263d;border-radius:10px;align-items:center;gap:9px;min-height:48px;padding:9px;display:flex}.quiz-feedback{border-left:4px solid var(--primary);padding-left:10px;font-weight:700;margin:12px 0 0!important}.library-group{padding:24px 0}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.library-card{border:2px solid var(--border);background:var(--surface);box-shadow:var(--shadow-small);border-radius:18px}.library-card>summary{grid-template-columns:auto 1fr auto;align-items:start;gap:14px;min-height:150px;padding:20px;display:grid}.library-icon{border:1.5px solid var(--border);background:var(--warning-soft);border-radius:12px;place-items:center;width:44px;height:44px;display:grid}.library-card h3{margin:0 0 9px}.library-card summary 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