.math-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.math-filters p{min-width:0}.math-filters select{width:100%}.math-solution{padding:20px;background:#eef6ff;border-left:4px solid #6366f1;border-radius:8px;line-height:1.9;color:#17223b}#numeric-answer{font-size:24px;max-width:360px}h2{overflow-wrap:anywhere}.brand-icon{background:linear-gradient(135deg,#6366f1,#06b6d4)!important}#topic{scroll-margin-top:30px}.card:target{outline:3px solid #6366f1}label{display:block}input[type=radio],input[type=checkbox]{accent-color:#6366f1}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #6366f1;outline-offset:4px}@media(max-width:640px){.math-filters{grid-template-columns:1fr}.actions{flex-wrap:wrap}header{flex-wrap:wrap;gap:12px}.subnav{overflow-x:auto;white-space:nowrap}}