:root{--bg:#f7f8f3;--paper:#fff;--ink:#183d33;--muted:#6b776f;--line:#e1e7de;--green:#204e3e;--lime:#ddecac}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #8baf56;outline-offset:4px}header{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 max(5vw,24px);background:var(--paper)}.brand{font-size:21px;font-weight:750;letter-spacing:-.8px;display:flex;align-items:center;gap:11px}.mark{display:grid;place-items:center;background:var(--green);color:var(--lime);border-radius:11px;font-size:25px;width:38px;height:38px;letter-spacing:-3px;padding-right:3px}.nav{display:flex;gap:28px;align-items:center}.nav 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36px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.workspace{padding:36px 0 0}.back{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:32px}.tool-head{margin-bottom:30px}.tool-head h1{font-size:43px;letter-spacing:-1.8px;margin:12px 0}.tool-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:26px;align-items:start}.panel{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:30px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:22px}label{display:block;font-size:12px;font-weight:650;color:var(--muted)}label input{width:100%;margin-top:9px;border:1px solid #ccd6c7;border-radius:8px;padding:13px;background:var(--bg);color:var(--ink);outline:none}label input:focus{border-color:#739058;box-shadow:0 0 0 3px #9cb96c22}.actions{display:flex;gap:12px;margin-top:26px}.primary{border:0;background:var(--green);color:white;border-radius:8px;padding:13px 24px;font-weight:600}.secondary{border:1px solid var(--line);color:var(--ink);background:transparent;border-radius:8px;padding:12px 18px}.result{background:var(--green);border:0;color:white}.result .small{color:#c8dac4}.number{font-size:clamp(30px,4vw,50px);font-weight:450;letter-spacing:-1.6px;margin:15px 0 3px;overflow-wrap:anywhere}.unit{font-size:14px;color:#d6e6cb}.result .secondary{color:white;border-color:#ffffff40;font-size:12px;margin-top:25px}.formula{margin-top:22px;line-height:1.8;font-size:13px;color:var(--muted)}.formula strong{display:block;color:var(--ink);margin-bottom:5px}.error{color:#ffe1b2;font-size:15px;line-height:1.6}.related{margin-top:48px}.related h2{margin-bottom:20px}.notice{font-size:12px;line-height:1.8;color:var(--muted);margin-top:24px}body.dark{--bg:#16251f;--paper:#1f3128;--ink:#e4eddf;--muted:#a8b8a2;--line:#344637;--green:#365c41;--lime:#e1efb8}body.dark .visual{background:#2c4130}body.dark .mini{background:#233a2c}body.dark .mini .bar,body.dark .icon{background:#344e34} @media(max-width:850px){.hero{gap:30px}.grid{grid-template-columns:repeat(2,1fr)}.visual{min-height:260px}.mini{width:220px}.tool-layout{grid-template-columns:1fr}footer{margin-left:25px;margin-right:25px}}@media(max-width:580px){header{height:72px;padding:0 20px}.brand{font-size:18px}.nav{gap:15px}.nav .small{display:none}main{padding:0 20px}.hero{grid-template-columns:1fr;padding:42px 0 35px;gap:25px}.hero h1{font-size:46px}.visual{display:none}.lead{font-size:14px}.grid{grid-template-columns:1fr 1fr;gap:10px}.card{min-height:180px}.cardlink{padding:18px}.card h3{font-size:14px}.card p{font-size:11px}.arrow{right:16px;bottom:16px}.fav{top:9px;right:9px}.section-head{align-items:center}h2{font-size:22px}.chip{padding:9px 12px;font-size:12px}.fields{grid-template-columns:1fr}.panel{padding:23px}.tool-head h1{font-size:34px}.key{display:none}footer{flex-direction:column;line-height:1.7}.section-head .small{max-width:100px;text-align:right}}
[hidden]{display:none!important}.content{max-width:850px;margin:40px 0;color:var(--muted);line-height:1.85}.content h2{color:var(--ink);font-size:23px;margin:30px 0 14px}.content h3{color:var(--ink);font-size:17px}.content a,.crumb a{ text-decoration:underline;text-underline-offset:3px}.content code{overflow-wrap:anywhere;font:inherit;color:var(--ink)}.crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:28px 0}.keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.keypad button{padding:15px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}.skip{position:absolute;left:15px;top:-60px;background:var(--paper);padding:12px;z-index:10}.skip:focus{top:10px}.directory{margin-top:36px}.header-link{font-size:13px}.content dl{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}.content dt{font-weight:600}.content dd{margin:0}.home-basic{border:1px solid var(--line);border-radius:14px;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:36px;background:var(--paper)}.home-basic strong{display:block;margin-bottom:6px}.home-basic p{font-size:13px;margin:0;color:var(--muted)}.footerlinks{display:flex;gap:18px;flex-wrap:wrap}.support{padding-top:30px}.tool-head h1{max-width:900px}.lead{max-width:650px}
select,textarea{font:inherit;width:100%;color:var(--ink);background:var(--bg);border:1px solid #ccd6c7;border-radius:8px;padding:12px;margin-top:8px}textarea{resize:vertical;line-height:1.6;min-height:100px}select{min-height:45px}label select{font-weight:400}.panel label+label{margin-top:20px}.pagination{display:flex;gap:18px;align-items:center;justify-content:center;margin:30px 0}.pagination button:disabled{cursor:default;opacity:.4}.code-block{white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--line);padding:18px;border-radius:10px;background:var(--paper);font-size:13px}#toolParams{margin-top:20px}#toolOutput{font:13px ui-monospace,monospace;line-height:1.7}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}td,th{padding:10px;text-align:left;border-bottom:1px solid var(--line)}#downloadImage{display:inline-block;margin-top:20px}.panel .actions{flex-wrap:wrap}header .nav{gap:16px}@media(max-width:580px){header .nav{gap:9px}.header-link{font-size:11px}.brand{font-size:16px;gap:6px}.mark{height:30px;width:30px}.nav a[href='/#favourites']{font-size:0}.nav a[href='/#favourites']:after{content:'☆';font-size:20px}}
.advertisement{max-width:1104px;margin:64px auto 36px;padding:24px;border-top:1px solid var(--line);clear:both;min-height:310px}.advertisement>p{text-align:center;font-size:11px;color:var(--muted);letter-spacing:.4px;margin:0 0 20px}.adsbygoogle[data-ad-status="unfilled"]{display:none!important}@media(max-width:580px){.advertisement{margin:56px 20px 24px;padding:24px 0;min-height:300px}}