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@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.input-panel,.result-actions,.related,.share-note,#copy-fallback{display:none!important}body{background:#fff}main{max-width:none;padding:0}.calculator-layout{display:block}.output-panel{border:0;padding:0}a{color:inherit}h1{font-size:24pt}.education section{break-inside:avoid}.answer{background:#fff;border:1px solid #999}}
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/* Cross-subject STEM navigation */
.network-bar{position:sticky;top:0;z-index:40;background:#172033;color:#f8fafc;border-bottom:1px solid rgba(255,255,255,.12)}
.network-inner{max-width:1236px;margin:auto;padding:0 28px;min-height:38px;display:flex;align-items:center;gap:6px 18px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
.network-bar a{color:#dbe6f4;text-decoration:none;font-size:.78rem;font-weight:700;letter-spacing:.015em;padding:9px 0}
.network-bar a:hover,.network-bar a:focus-visible{color:#fff;text-decoration:underline}
.network-bar a[aria-current="page"]{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
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