.lesson-shell{max-width:940px}.lesson-nav{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.lesson-nav a{padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;font-weight:800}.lesson-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.lesson-meta span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 11px;font-size:.85rem;font-weight:800}.lesson-box{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(22px,4vw,42px);margin:24px 0;box-shadow:0 12px 30px rgba(35,29,23,.06);scroll-margin-top:92px}.lesson-box h2{font-family:Georgia,serif;font-size:2rem;margin-top:0}.lesson-box h3{margin-top:28px}.conj-table{width:100%;border-collapse:collapse;margin:18px 0}.conj-table th,.conj-table td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left}.conj-table th{background:var(--soft)}.example-grid,.mistake-grid,.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.example,.mistake,.rule-card{padding:16px;border-radius:16px;background:var(--soft)}.mistake strong{display:block;margin-bottom:6px}.mini-note{padding:16px 18px;border-left:5px solid var(--primary);background:#fff4ec;border-radius:12px}.exercise{padding:18px;border:1px solid var(--line);border-radius:18px;margin:14px 0}.exercise label{display:block;font-weight:800;margin-bottom:10px}.exercise input{width:100%;max-width:460px;padding:13px 14px;border:2px solid var(--line);border-radius:12px;font:inherit;background:#fff}.exercise input:focus{outline:none;border-color:var(--primary)}.exercise input.correct{border-color:#16875d;background:#f0fff8}.exercise input.almost{border-color:#d98324;background:#fff8ed}.exercise input.wrong{border-color:#c9492b;background:#fff5f2}.feedback{min-height:26px;margin-top:8px;font-weight:800}.feedback.ok{color:#16875d}.feedback.almost{color:#c66a12}.feedback.no{color:#b23820}.feedback.wait{color:#65717d}.score-card{display:flex;justify-content:space-between;gap:20px;align-items:center;background:var(--dark);color:#fff;border-radius:20px;padding:22px;margin-top:24px}.score-card p{margin:4px 0;color:#cbd3d9}.exercise-actions,.lesson-next{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.reset-btn{border:1px solid var(--ink);background:#fff;border-radius:999px;padding:11px 17px;font-weight:900;cursor:pointer}.dialogue{background:var(--soft);border-radius:18px;padding:20px}.dialogue p{margin:.45em 0}.italian-box{background:#eef8f3;border-left:5px solid var(--green);border-radius:12px;padding:17px 18px}@media(max-width:650px){.example-grid,.mistake-grid,.rule-grid{grid-template-columns:1fr}.score-card{display:block}.conj-table{font-size:.92rem}.conj-table th,.conj-table td{padding:10px}}