/* Lesson kit styles */
.kit-svg{max-width:100%;height:auto;display:block}
.kit-box{border:2px solid var(--ink);border-radius:14px;padding:18px 20px;background:#fff;box-shadow:6px 6px 0 var(--pencil);margin:16px 0 26px}
.kit-box h3{margin:0 0 4px}
.kit-in{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin-bottom:12px}
.kit-in label{font-size:.85rem;font-weight:600;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.kit-in input{font:inherit;font-size:1.2rem;font-weight:700;width:110px;padding:6px 10px;border:1.5px solid var(--line);border-radius:8px}
.kit-cols{display:grid;grid-template-columns:34px repeat(var(--n),52px);align-items:end;font-family:ui-monospace,Menlo,Consolas,monospace;margin:6px 0}
.kit-lab{text-align:center;font:700 .8rem var(--font);color:var(--blue,#2f4f9e)}
.kit-d{display:flex;flex-direction:column;align-items:center;min-height:44px;justify-content:flex-end;border-radius:8px}
.kit-d.on{background:#fff6d6}
.kit-d b{font-size:2rem;line-height:1.1;color:var(--ink)}
.kit-d b.x{text-decoration:line-through;text-decoration-color:#c0392b;text-decoration-thickness:3px}
.kit-mk{display:flex;flex-direction:column-reverse;align-items:center;min-height:20px}
.kit-mk i{font-style:normal;font-weight:700;color:#c0392b;font-size:1rem;line-height:1.1}
.kit-mk i.x{text-decoration:line-through;opacity:.7}
.kit-op{font-size:2rem;font-weight:700;align-self:end}
.kit-rule{grid-column:1/-1;border-top:3px solid var(--ink);margin:4px 0}
.kit-ans b{color:var(--marker)}
.kit-say{min-height:2.6em;margin:10px 0}
.kit-done{color:var(--marker-dark);font-weight:700}
.kit-nav{display:flex;gap:10px;flex-wrap:wrap}
.kit-lv{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.kit-lv .chip{font:inherit;font-weight:600;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;cursor:pointer}
.kit-lv .chip[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.kit-ps{padding-left:24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:6px 24px}
.kit-ps li{padding:6px 0}
.kit-q{font-weight:700;font-size:1.15rem;margin-right:8px}
.kit-ps input{width:80px;font:inherit;font-size:1.05rem;padding:4px 8px;border:1.5px solid var(--line);border-radius:8px}
.kit-ps li.ok input{border-color:var(--marker);background:#e6f4ee}
.kit-ps li.no input{border-color:#c0392b;background:#fbeaea}
.kit-show{font:inherit;font-size:.85rem;margin-left:6px;background:none;border:0;color:var(--marker-dark);text-decoration:underline;cursor:pointer}
.kit-work .kit-cols{transform:scale(.8);transform-origin:left top}
.figs{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-start;margin:12px 0}
.fig{margin:0;background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;max-width:100%}
.fig figcaption{font-size:.9rem;color:var(--muted);margin-top:6px;max-width:44ch}
.wrong{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-items:center;border-left:6px solid #c0392b;background:#fdf3f2;border-radius:0 12px 12px 0;padding:12px 16px;margin:12px 0}
.wrong .fix{grid-column:1/-1;color:var(--marker-dark);font-weight:600}
.toc{background:var(--grid);border-radius:12px;padding:12px 18px;margin:16px 0}
.toc ol{columns:2 240px;margin:6px 0 0;padding-left:20px}
.kit-or{align-self:center;font-weight:600;color:var(--muted)}
.kit-pcrow{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start}
.kit-hgrid{display:grid;grid-template-columns:repeat(10,14px);gap:1px;background:#c9d6ee;border:2px solid var(--ink);width:max-content}
.kit-hgrid span{width:14px;height:14px;background:#fff}
.kit-hgrid span.on{background:var(--blue,#2f4f9e)}
.kit-big{font-size:1.5rem;font-weight:700;margin:0 0 8px}
.kit-ansx{color:#c0392b;font-weight:600;margin-left:6px}
.kit-cg{display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:20px;align-items:start}
@media(max-width:700px){.kit-cg{grid-template-columns:1fr}}
.kit-cgrid svg{cursor:crosshair;max-width:420px}
.kit-cin input{width:56px;font:inherit;font-size:1.1rem;padding:4px 6px;border:1.5px solid var(--line);border-radius:8px;text-align:center}
.kit-cin .chip{font:inherit;font-weight:700;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 16px;cursor:pointer}
.kit-score{font-weight:600;color:var(--muted)}
.btable{border-collapse:collapse;margin:10px 0 18px}
.btable th,.btable td{border:1px solid var(--line);padding:6px 14px;text-align:center}
.btable thead th{background:var(--grid)}
.kit-steps li{margin-bottom:6px}
.kit-grids p{text-align:center;font-weight:700;margin:4px 0 0}
.kit-ch .btn{min-width:64px;font-size:1.3rem}
.kit-fbar{display:flex;height:40px;border:2px solid var(--ink)}
.kit-fbar span{flex:1;border-right:1.5px solid var(--ink);background:#fff}
.kit-fbar span:last-child{border-right:0}
.kit-fbar span.on{background:var(--blue,#2f4f9e)}
.kit-frow{display:flex;align-items:center;gap:14px;margin:8px 0}
.kit-frow b{font-size:1.3rem}
.kit-pvt td,.kit-pvt th{min-width:58px;font-size:1.05rem}
.kit-pvt td{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.4rem;font-weight:700}
.kit-pvt td.new{color:var(--marker-dark)}
.kit-pvt .pt{border-left:4px solid #c0392b}
.kit-note2{font-size:.88rem;color:var(--muted)}
.kit-in select{font:inherit;font-size:1.05rem;padding:7px 10px;border:1.5px solid var(--line);border-radius:8px;background:#fff}
.btable tr.hl td{background:#fff6d6;font-weight:700}
.kit-groups{display:flex;flex-wrap:wrap;gap:10px}
.kit-grp{display:flex;flex-wrap:wrap;gap:4px;width:92px;min-height:46px;border:2px dashed #9fb4dc;border-radius:12px;padding:6px;align-content:flex-start}
.kit-grp i,.kit-left i{width:14px;height:14px;border-radius:50%;background:var(--blue,#2f4f9e);display:inline-block}
.kit-left{margin-top:10px;display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.kit-left i{background:#c0392b}
.kit-left span{font-weight:600;margin-right:6px}
.kit-mlp{font:700 1.5rem/1.35 ui-monospace,Menlo,Consolas,monospace;background:var(--grid);padding:12px 16px;border-radius:10px;display:inline-block;margin:8px 0}
.kit-best{background:#fff3c4;padding:1px 6px;border-radius:6px}
.kit-common{color:var(--marker-dark)}
.kit-hund{display:grid;grid-template-columns:repeat(10,minmax(28px,46px));gap:3px;margin:10px 0}
.kit-hund span{text-align:center;padding:6px 0;border:1px solid var(--line);border-radius:6px;font-weight:600;background:#fff}
.kit-hund span.x{color:#b9bfcc;text-decoration:line-through;background:#f4f5f8}
.kit-hund span.p{background:#e6f4ee;color:var(--marker-dark);border-color:var(--marker)}
.kit-hund span.one{color:#b9bfcc}
.kit-purse{display:flex;flex-wrap:wrap;gap:6px;min-height:52px;margin:10px 0;padding:8px;border:2px dashed var(--line);border-radius:12px}
.kit-coin{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;font-weight:700;font-size:.8rem;color:#1d2b53;border:2px solid rgba(0,0,0,.2)}
.kit-cbtn .btn{font-size:.9rem;padding:8px 12px}
.kit-pairs{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.kit-pr2{display:inline-flex;flex-direction:column;gap:4px;padding:5px;border:2px solid #9fb4dc;border-radius:10px}
.kit-pr2 i{width:18px;height:18px;border-radius:50%;background:var(--blue,#2f4f9e)}
.kit-pr2.odd{border-color:#c0392b}.kit-pr2.odd i{background:#c0392b}