.balance-lab{padding:24px;margin:24px 0;background:#f0f5fc;border:1px solid #cad7ec;border-radius:20px}.balance-lab svg{display:block;width:100%;max-width:720px;margin:auto}.balance-equation{font-size:30px;text-align:center;font-weight:700}.balance-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0}.balance-controls>div{padding:16px;background:white;border-radius:14px}.balance-controls button{margin:5px 4px 5px 0}.balance-controls>div:nth-child(2){background:#e0e8fc}.balance-actions{display:flex;flex-wrap:wrap;gap:12px}.balance-lab label{display:block;margin:18px 0}.balance-lab input{display:block;min-height:44px;width:100%;accent-color:#425cb2}.balance-lab textarea{display:block;width:100%;min-height:100px;padding:14px;font:inherit;border:1px solid #acbedb;border-radius:12px;margin-top:10px}#balanceFeedback{padding:16px;background:white;border-left:4px solid #536bbd}.balance-lab small{display:block}@media(max-width:850px){.balance-controls{grid-template-columns:1fr}.balance-lab{padding:14px}}