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var(--border);border-radius:10px;margin-top:10px;padding:10px 13px;font-size:13px;line-height:1.55}.lessons-head{margin:2px 4px 14px}.lessons-head h2{font-size:20px}.les-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-soft);cursor:pointer;margin-bottom:12px;padding:16px 18px;transition:box-shadow .16s,transform .16s}.les-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}.les-card.record{background:var(--blue-wash);border-color:var(--border-strong)}.les-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.les-num{font-family:var(--font-nunito);color:var(--blue-deep);letter-spacing:.08em;text-transform:uppercase;font-size:13px;font-weight:700}.les-tag{white-space:nowrap;font-family:var(--font-nunito);color:var(--text-muted);align-items:center;gap:6px;font-size:13px;font-weight:600;display:inline-flex}.les-div{background:var(--border);height:1px;margin:11px 0}.les-card.record .les-div{background:var(--border-strong)}.les-title{font-family:var(--font-nunito);color:var(--text-strong);font-size:16px;font-weight:700;line-height:1.3}.les-foot{justify-content:flex-end;margin-top:12px;display:flex}.les-open{color:var(--blue-deeper);font-family:var(--font-nunito);font-size:14px;font-weight:600}.tabs{gap:8px;margin-bottom:18px;display:flex}.tabs button{background:var(--surface);color:var(--text);font-family:var(--font-nunito);box-shadow:inset 0 0 0 1px var(--border-strong);border-radius:12px;padding:10px 16px;font-size:14px;font-weight:600;transition:all .16s}.tabs button:hover{background:var(--blue-wash)}.tabs button.active{background:var(--blue-deep);color:#fff;box-shadow:none}.edit-lesson{border-bottom:1px solid var(--border);gap:14px;padding:16px 0;display:flex}.edit-lesson:last-child{border-bottom:none}.edit-num{background:var(--blue-wash);width:38px;height:38px;color:var(--blue-deeper);font-family:var(--font-nunito);border-radius:10px;flex:none;place-items:center;font-size:14px;font-weight:700;display:grid}.edit-fields{flex:1;min-width:0}.edit-lbl{color:var(--text-muted);margin-bottom:4px;font-size:12px;display:block}.edit-row{flex-wrap:wrap;gap:10px;margin-bottom:10px;display:flex}.edit-actions{align-items:center;gap:12px;display:flex}.edit-ok{color:var(--success);font-size:13px;font-weight:600;font-family:var(--font-nunito)}.edit-err{color:var(--error);font-size:13px;font-weight:600;font-family:var(--font-nunito)}