@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{color-scheme:light;--bg:#f5f6f8;--paper:#fff;--ink:#18232c;--muted:#5e6b77;--line:#dce1e6;--accent:#c54316;--soft:#fff2e9;--input:#f9fafb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 'DM Sans',system-ui,sans-serif}body.dark{color-scheme:dark;--bg:#10171d;--paper:#19232c;--ink:#f0f3f5;--muted:#afbdc8;--line:#35434e;--accent:#ff9667;--soft:#33291f;--input:#131d25}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #e67b41;outline-offset:3px}.wrap{max-width:1160px;margin:auto;padding:0 28px}header{border-bottom:1px solid var(--line);background:var(--paper)}header .wrap{min-height:92px;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font:700 20px/1.15 'Space Grotesk',sans-serif;letter-spacing:-.7px}.brand small{font:500 11px/1.3 'DM Sans',sans-serif;letter-spacing:2.5px;display:block;margin-top:5px}.mark{background:#ed602d;color:white;font:700 19px 'Space Grotesk',sans-serif;padding:9px;border-radius:9px}nav{display:flex;align-items:center;gap:28px;margin-left:auto}nav a{font-size:14px;text-decoration:none}.theme{background:none;border:1px solid var(--line);border-radius:50%;width:40px;height:40px;color:var(--ink);font-size:20px}.intro{padding:38px 0 24px}.eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:2px;font-weight:700;color:var(--accent)}h1,h2,h3{font-family:'Space Grotesk',sans-serif;line-height:1.2;letter-spacing:-1px}h1{font-size:clamp(30px,4vw,46px);margin:9px 0 12px}h2{font-size:29px}h3{font-size:21px;letter-spacing:-.5px}p{margin:0 0 16px;color:var(--muted)}.intro p{margin:0;max-width:760px}.workspace{border:1px solid var(--line);background:var(--paper);border-radius:16px;overflow:hidden;box-shadow:0 12px 30px #18232c06}.tabs{display:flex;border-bottom:1px solid var(--line);padding:0 28px;gap:36px}.tabs button{background:none;border:0;border-bottom:3px solid transparent;padding:20px 0 17px;color:var(--muted);font-size:15px;font-weight:600}.tabs button[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent)}.tabs span{font:13px 'Space Grotesk',sans-serif;margin-right:8px;opacity:.65}.workbody{display:grid;grid-template-columns:1.13fr 1fr;gap:36px;padding:30px}.formtitle{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px}.formtitle h2{font-size:21px;letter-spacing:-.5px;margin:0}.reset{border:0;background:none;color:var(--muted);font-size:14px;text-decoration:underline}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:14px;font-weight:600}.field input,.field select{width:100%;min-width:0;padding:11px 12px;border:1px solid var(--line);border-radius:7px;background:var(--input);color:var(--ink);height:47px}.field small{font-size:12px;color:var(--muted);line-height:1.5}.divider{border-top:1px solid var(--line);margin:22px 0}.hint{margin-top:20px;font-size:13px;line-height:1.6}.result{background:#192b35;color:#fff;border-radius:11px;padding:28px;display:flex;flex-direction:column;min-height:330px}.result .eyebrow{color:#b4c6cf;font-size:11px}.big{font:500 clamp(48px,6vw,70px)/1.15 'Space Grotesk',sans-serif;letter-spacing:-3px;margin:14px 0 2px}.big small{font-size:23px;letter-spacing:0;color:#b4c6cf}.result p{color:#b4c6cf;font-size:14px}.status{background:#264438;color:#a7eac0;padding:9px 13px;border-radius:6px;font-size:14px;margin:16px 0}.status.warn{background:#533b27;color:#ffcc9e}.result dl{margin:auto 0 0}.result dl>div{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-top:1px solid #ffffff20;font-size:14px}.result dd{margin:0;font-weight:600}.result dt{color:#b4c6cf}.meter{height:7px;display:flex;background:#344851;border-radius:6px;overflow:hidden;margin:12px 0 16px}.meter i{background:#f37a43}.error{color:#ffd1b2;padding:12px 0}.underbar{border-top:1px solid var(--line);padding:13px 30px;font-size:12px;display:flex;gap:24px;color:var(--muted)}.underbar b{color:var(--ink)}.guide{padding:55px 0;display:grid;grid-template-columns:.85fr 1.5fr;gap:75px;border-bottom:1px solid var(--line)}.guide h2{margin:10px 0 18px}.steps{display:grid;gap:23px}.step{display:grid;grid-template-columns:35px 1fr;gap:16px}.step>span{font:500 14px 'Space Grotesk';color:var(--accent);border:1px solid var(--line);border-radius:50%;height:32px;display:grid;place-items:center}.step h3{margin:0 0 7px;font-size:18px}.step p{font-size:14px;margin:0}.details{padding:46px 0;display:grid;grid-template-columns:1fr 1fr;gap:50px;border-bottom:1px solid var(--line)}.details h2{font-size:24px}.details p,.details li{font-size:15px}.formula{padding:15px;background:var(--paper);border-left:3px solid var(--accent);font-size:14px;overflow-wrap:anywhere}.faq{max-width:830px;padding:45px 0 60px;margin:auto}details{border-bottom:1px solid var(--line);padding:18px 0}summary{font-weight:600;cursor:pointer}details p{padding-top:12px;font-size:15px}footer{border-top:1px solid var(--line);padding:30px 0;background:var(--paper)}footer .wrap{display:flex;justify-content:space-between;gap:20px;align-items:center}footer small{color:var(--muted);font-size:12px}.footlinks{display:flex;flex-wrap:wrap;gap:20px;font-size:13px}.article{max-width:780px;min-height:60vh;padding:50px 28px 70px;margin:auto}.article h2{font-size:24px;margin-top:32px}.article li{color:var(--muted);margin-bottom:8px}.back{color:var(--accent);font-size:14px}.skip{position:absolute;top:-80px}.skip:focus{top:0;background:var(--paper);padding:10px;z-index:5}@media(max-width:760px){header .wrap{min-height:76px;gap:15px}.wrap{padding:0 18px}nav{gap:15px}nav a{display:none}.brand{font-size:17px}.workbody{grid-template-columns:1fr;padding:20px;gap:24px}.tabs{gap:22px;padding:0 20px;overflow:auto}.tabs button{white-space:nowrap;font-size:14px}.tabs span{display:none}.intro{padding:27px 0 23px}.intro p{font-size:14px}.result{min-height:300px}.guide,.details{grid-template-columns:1fr;gap:24px;padding:35px 0}.guide>div>p{margin-bottom:0}.underbar{padding:12px 20px;gap:14px;flex-wrap:wrap}footer .wrap{align-items:flex-start;flex-direction:column}.fields{gap:14px}.big{font-size:60px}}@media(prefers-reduced-motion:no-preference){button,a{transition:color .15s,background .15s}}

.material-guide{padding:40px 0 0;border-bottom:1px solid var(--line)}.material-guide>p{max-width:850px}.table-scroll{overflow-x:auto;margin:24px 0 14px;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;background:var(--paper);font-size:15px}caption{text-align:left;padding:16px 20px;color:var(--muted);font-size:14px}th,td{text-align:left;padding:16px 20px;border-top:1px solid var(--line)}thead{background:var(--input)}thead th{font-weight:600}.table-note{font-size:13px}.material-guide .details{padding:15px 0 30px;border:0}