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.pill-btn{justify-self:start}.explain{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:0 0 16px;background:var(--card)}.explain-h{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.explain-body{margin-top:12px;padding-top:12px;border-top:1px solid var(--line-soft)}.explain-body ul{margin:10px 0 8px;padding-left:20px;display:grid;gap:6px;color:var(--ink);font-size:14px;line-height:1.55}.explain-body .meta{margin:0}.lab-grid{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:20px;align-items:start}.browser{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;min-width:0}.bbar{background:var(--lab-bar);padding:10px 12px;display:flex;gap:8px;align-items:center}.bbar>i{width:10px;height:10px;border-radius:50%;flex:none}.bbar .dot-r{background:var(--lab-dot-r)}.bbar .dot-y{background:var(--lab-dot-y)}.bbar .dot-g{background:var(--lab-dot-g)}.url{flex:1;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:7px 10px;font:600 13px var(--mono);color:var(--body);white-space:nowrap;overflow-x:auto}.u1{background:var(--warning-tint);color:var(--warning);border-radius:4px;padding:1px 3px}.u2{background:var(--accent-tint);color:var(--accent);border-radius:4px;padding:1px 3px}.u3{background:var(--success-tint);color:var(--success);border-radius:4px;padding:1px 3px}.fake{position:relative;background:var(--lab-site);color:var(--on-dark);min-height:280px;padding:20px;display:flex;gap:22px;flex-wrap:wrap}.fake .poster{width:140px;height:190px;border-radius:8px;background:linear-gradient(160deg,var(--lab-poster-a),var(--lab-poster-b));display:flex;align-items:flex-end;padding:10px;font-weight:800;flex:none}.fake-copy{min-width:0}.fake-brand{font-weight:900;letter-spacing:.06em}.fake .dl{display:inline-block;background:var(--lab-cta);color:var(--on-dark);border-radius:6px;padding:10px 16px;font-weight:800;margin:10px 0}.fake-meta{color:var(--lab-site-muted);font-size:12px;line-height:1.7}.stamp{position:absolute;right:16px;top:14px;border:2px solid var(--on-dark);border-radius:6px;padding:3px 8px;font-size:10px;font-weight:800;letter-spacing:.14em;opacity:.7}.devtools{background:var(--devtools);color:var(--devtools-text);font:12px var(--mono);padding:8px 12px;overflow-x:auto}.devtools>div{display:grid;grid-template-columns:minmax(260px,1fr) 70px 60px;padding:3px 0;border-bottom:1px solid var(--devtools-line);white-space:nowrap}.devtools .dt-head{color:var(--devtools-head)}.devtools .hl{background:var(--devtools-hl);color:var(--on-dark)}.task{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line-soft)}.kit-card-h+.task{border-top:0}.task .n{width:24px;height:24px;border-radius:50%;background:var(--tile);font-weight:700;font-size:12px;display:flex;align-items:center;justify-content:center;flex:none}.task .n .msym{font-size:15px}.task.ok .n{background:var(--success-tint);color:var(--success)}.task.cur .n{background:var(--accent);color:var(--on-dark)}.task.skip .n{background:var(--warning-tint);color:var(--warning)}.task-body{flex:1;min-width:0}.task b{font-size:13.5px;color:var(--ink)}.task p{margin:3px 0 8px;color:var(--muted);font-size:12.5px}.task .chips{margin:6px 0 0}.task .chip{cursor:pointer;font-family:inherit}.ans{font-size:12.5px;color:var(--success);font-weight:600;display:flex;gap:6px;align-items:center;margin-top:2px}.ans .msym{font-size:16px}.ans.muted{color:var(--muted)}.task p.lab-wrong{color:var(--danger);font-weight:600;margin:8px 0 0}.task p.lab-hint{display:flex;gap:6px;align-items:flex-start;background:var(--accent-tint);color:var(--body);border-radius:8px;padding:8px 10px;margin:8px 0 0}.lab-hint .msym{font-size:16px;color:var(--accent)}.lab-actions{margin-top:6px}.lab-actions .pill-btn:first-child{flex:1;justify-content:center}.lab-done{margin-top:8px;padding-top:14px;border-top:1px solid var(--line-soft)}.lab-done>b{font-size:26px;font-weight:800;color:var(--ink)}.lab-done .meta{margin:4px 0 12px}@media (max-width: 1180px){.lab-grid{grid-template-columns:minmax(0,1fr)}}@media (max-width: 760px){.sk{grid-template-columns:110px minmax(0,1fr) 40px}.sk .practise{grid-column:2 / -1;justify-self:start}.tip-link{grid-template-columns:1fr}.fake .poster{width:100px;height:136px}.lvlbar{width:100%}}