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@media(max-width:800px){body{font-size:18px}.tool-header,main,.tool-footer{padding-inline:20px}.tool-header{gap:14px}.wordmark span{display:none}.tool-header nav{gap:18px}.tool-header nav a{font-size:15px}.tool-header nav a:last-child{display:none}.tool-hero{grid-template-columns:1fr;gap:8px;padding:34px 0 24px}.hero-drawing{display:none}.lead{font-size:19px}.calculator{grid-template-columns:1fr;gap:20px;margin-bottom:40px}.calculator form,.result-panel{padding:22px}.result-panel{position:static}.form-top{align-items:start}.form-top>div{gap:8px}.fields{gap:18px 14px}.result-panel .big-number{font-size:48px}.explain-grid,.product-split{grid-template-columns:1fr;gap:20px}.next>div{grid-template-columns:1fr;gap:16px}.tool-index article{grid-template-columns:1fr;gap:24px;padding-block:32px}.index-drawing{padding:16px;max-height:190px;overflow:hidden}.index-drawing svg{height:165px}.hub-hero{padding-top:36px}.product-cta{padding:26px}.tool-footer{align-items:start}.tool-footer nav{flex-wrap:wrap;gap:10px 22px}.tool-footer p{width:100%}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.tool-header nav{margin-left:auto}.theme-toggle{width:44px;height:44px;padding:0;font-size:23px;border-color:transparent;flex-shrink:0}.result-callout dl{margin:0}
button:disabled{opacity:.6;cursor:wait}
.result-lines dd,.result-callout dd,legend span{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:14px}
html[data-theme=dark] body{--cream:#1d232d;--paper:#272f3a;--ink:#f5f0e8;--muted:#c2c8d2;--line:#66707b;--accent:#e2adb2;--wash:#51424b}
html[data-theme=dark] .result-panel,html[data-theme=dark] .product-cta{background:#111720;color:#f5f0e8}
html[data-theme=dark] .result-panel svg{color:#f5f0e8}
html[data-theme=dark] .result-panel .secondary,html[data-theme=dark] .primary,html[data-theme=dark] .product-cta .primary{background:#f5f0e8;color:#252c37}
html[data-theme=dark] .primary:hover{background:#e2adb2;color:#252c37}
html[data-theme=dark] .status-pill{color:#f5f0e8}
html[data-theme=light] body{--cream:#f5f0e8;--paper:#fffdf9;--ink:#252c37;--muted:#4a5568;--line:#c6bfb5;--accent:#8e4f55;--wash:#ead6d0}
html[data-theme=light] .result-panel,html[data-theme=light] .product-cta{background:#252c37;color:#f5f0e8}
html[data-theme=light] .primary{background:#252c37;color:#f5f0e8}
html[data-theme=light] .primary:hover{background:#8e4f55;color:#fff}
html[data-theme=light] .product-cta .primary{background:#f5f0e8;color:#252c37}
html[data-theme=light] .status-pill{color:#252c37}
@media(max-width:800px){.tool-header{gap:8px}.tool-header nav{gap:14px}.theme-toggle{width:44px}.tool-header .wordmark{font-size:32px}}
.hero-drawing{padding:0;min-width:0}.calculation-figure{margin:0;padding:28px;border:1px solid var(--line);border-radius:16px;background:var(--paper);box-shadow:0 12px 40px #252c3707;color:var(--ink)}
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@media(max-width:800px){.hero-drawing{display:block;margin:12px 0 8px}.calculation-figure{padding:22px}.tool-hero{gap:16px}.index-drawing{max-height:none;overflow:visible}.calculation-figure figcaption{margin-bottom:16px}.figure-answer strong{font-size:36px}.hero-drawing .calculation-figure{max-width:560px}.figure-calculation>div{font-size:14px}}
@media(prefers-reduced-motion:no-preference){button,a,input,select{transition:background-color .15s ease,border-color .15s ease,color .15s ease}}
.jump-to-tool{display:inline-flex;align-items:center;min-height:44px;margin-top:16px;font-size:16px;font-weight:600}.tool-header nav a{white-space:nowrap}
@media(max-width:360px){.tool-header nav a:nth-child(2){display:none}}
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