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20px;font-size:1.8rem;font-weight:700;display:inline-block}.lesson-section-heading--see-it{background:var(--see-it)}.lesson-section-heading--do-it{background:var(--do-it)}.lesson-section-heading--check-it{background:var(--check-it)}.lesson-section-container{max-width:900px;margin:0 auto;padding:0 24px}.lesson-section-description{color:var(--text-light);max-width:640px;margin-bottom:20px;font-size:.95rem}.lesson-worksheet-frame{background:var(--white);border:1px solid var(--border);border-radius:12px;margin-bottom:32px;padding:24px;overflow:hidden;box-shadow:0 1px 4px #0000000a}.lesson-worksheet-frame img{width:100%;height:auto;display:block}.lesson-worksheet-frame.blurred img{filter:blur(8px);transition:filter .5s}.lesson-worksheet-frame.revealed img{filter:none;transition:filter .5s}.lesson-answer-skeleton{background:repeating-linear-gradient(-45deg,#f0f0f0,#f0f0f0 10px,#fff 10px 20px);border:2px solid #ddd;border-radius:12px;margin-bottom:32px;padding:40px 32px;position:relative;overflow:hidden}.lesson-answer-skeleton-lines{flex-direction:column;gap:14px;display:flex}.lesson-skeleton-line{background:#e4e4e4;border-radius:6px;height:14px}.lesson-answer-skeleton-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#ffffffb3;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.lesson-answer-skeleton-lock{color:#bbb;margin-bottom:8px}.lesson-answer-skeleton-text{color:#999;text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px;font-size:.9rem;font-weight:600}.lesson-reveal-btn{color:var(--check-it);border:2px solid var(--check-it);font-family:var(--font-oswald),"Oswald",sans-serif;letter-spacing:.5px;text-transform:uppercase;cursor:pointer;background:#fff;border-radius:8px;margin:0 auto;padding:14px 36px;font-size:1.1rem;font-weight:700;transition:all .2s;display:block}.lesson-reveal-btn:hover{background:var(--check-it);color:#fff;transform:translateY(-1px)}.lesson-seo-content{background:var(--white);border:1px solid var(--border);border-radius:12px;margin:24px 0 32px;padding:24px 28px}.lesson-seo-content h2{color:var(--navy);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;font-size:1.2rem}.lesson-seo-content p{margin-bottom:12px;font-size:.95rem;line-height:1.7}.lesson-cta-section{max-width:900px;margin:48px auto;padding:0 24px}.lesson-cta-card{background:var(--navy);text-align:center;color:#fff;border-radius:12px;padding:40px}.lesson-cta-cover{border:none;outline:none;width:160px;height:auto;margin-bottom:24px}.lesson-cta-card h2{color:#fff;margin-bottom:12px;font-size:1.6rem}.lesson-cta-card p{opacity:.85;max-width:520px;margin:0 auto 24px;font-size:1rem;line-height:1.6}.lesson-cta-highlight{color:var(--amber);font-weight:700}.lesson-cta-button{background:var(--amber);color:#fff;font-family:var(--font-oswald),"Oswald",sans-serif;letter-spacing:.5px;text-transform:uppercase;border-radius:8px;padding:14px 36px;font-size:1.1rem;text-decoration:none;transition:background .2s;display:inline-block}.lesson-cta-button:hover{background:var(--amber-dark)}.lesson-footer{text-align:center;color:var(--text-light);border-top:1px solid var(--border);padding:32px;font-size:.8rem}.lesson-index{padding-bottom:48px}.lesson-book-group{margin-bottom:32px}.lesson-book-group h2{color:var(--navy);margin-bottom:4px;font-size:1.3rem}.lesson-book-group h2 a{color:var(--navy);text-decoration:none}.lesson-book-group h2 a:hover{color:var(--amber)}.lesson-book-count{color:var(--text-light);margin-bottom:12px;font-size:.85rem}.lesson-list{list-style:none}.lesson-list li{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:10px 0;display:flex}.lesson-list li a{color:var(--amber-dark);font-weight:600;text-decoration:none}.lesson-list li a:hover{text-decoration:underline}.lesson-list-time{color:var(--text-light);font-size:.8rem}@media (max-width:600px){.lesson-page-header{padding:32px 16px 0}.lesson-page-header h1{font-size:1.6rem}.lesson-section-container{padding:0 16px}.lesson-worksheet-frame{padding:12px}.lesson-cta-card{padding:28px 20px}.lesson-cta-section{padding:0 16px}.lesson-meta-bar{gap:12px}.lesson-nav-link{display:none}}.dashboard{--dash-bg:#f8fafc;--dash-surface:#fff;--dash-border:#e2e8f0;--dash-text:#1e293b;--dash-text-muted:#64748b;--dash-variant-a:#6366f1;--dash-variant-b:#f59e0b;--dash-positive:#22c55e;--dash-negative:#ef4444;--dash-radius:12px;color:var(--dash-text);background:var(--dash-bg)}