:root{--page:#f7f8f5;--paper:#fff;--ink:#1c302a;--muted:#63716a;--line:#e0e5dd;--green:#285443;--deep:#173f35;--lime:#d6ebb9;--red:#963a2b;--amber:#ffdb91;--radius:16px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px;color:var(--ink);background:var(--page);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button,input,select,textarea{transition:border-color .15s,background .15s,box-shadow .15s}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #70964d;outline-offset:4px}input:focus,select:focus,textarea:focus{outline:none;border-color:#648864;box-shadow:0 0 0 3px #72956e22}input[aria-invalid=true]{border-color:var(--red)!important;box-shadow:0 0 0 2px #963a2b12}a{color:inherit}button svg{flex-shrink:0}button{touch-action:manipulation}button:hover{filter:brightness(.97)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-80px;left:16px;background:white;z-index:20;padding:12px}.skip-link:focus{top:10px}
.site-header{max-width:1184px;height:94px;padding:0 28px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-size:23px;font-weight:760;letter-spacing:-.8px;text-decoration:none;display:flex;align-items:center;gap:11px}.brand-icon{color:var(--deep)}.brand-dot{color:#749458}.header-right{display:flex;align-items:center;gap:24px}.field-label{font-size:10px;letter-spacing:1.5px;color:var(--muted);font-weight:650}.status-pill{display:flex;align-items:center;gap:8px;min-height:31px;padding:6px 11px;border:1px solid var(--line);border-radius:30px;font-size:11px;color:#536253;background:#fcfdfb;white-space:nowrap}.status-dot{background:#9aab91;width:6px;height:6px;border-radius:50%}.status-pill.ready .status-dot{background:#59854c}.status-pill.offline{background:#edf3e5}.status-pill.unsaved .status-dot{background:#ae7a34}main{max-width:1184px;margin:auto;padding:0 28px}.intro{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:41px 0 31px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.5px;margin:0 0 13px;color:#59715c}.eyebrow span{margin-left:8px;color:#98a38f}h1{font-size:42px;line-height:1.15;letter-spacing:-1.8px;margin:0;font-weight:730}h1 span{color:#6d8468}.intro-text{margin:13px 0 0;color:var(--muted);font-size:14px;line-height:1.5}.quiet-button{background:transparent;border:1px solid var(--line);border-radius:8px;display:flex;gap:8px;align-items:center;justify-content:center;min-height:37px;padding:8px 12px;color:#526456;font-size:11px;font-weight:600;white-space:nowrap}.help-icon{border:1px solid #80957c;border-radius:50%;width:15px;height:15px;display:inline-flex;align-items:center;justify-content:center;font-size:10px}
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.result-card{background:var(--deep);border:1px solid var(--deep);border-radius:var(--radius);padding:26px 28px 23px;color:#eff5e7;overflow:hidden;box-shadow:0 8px 16px #173f3510}.result-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.result-top h2{color:#c4d6ba;letter-spacing:1.4px;font-size:10px;font-weight:650;margin:0}.range-badge{display:flex;align-items:center;gap:6px;border:1px solid #507351;border-radius:30px;color:#c9e5a5;font-size:10px;line-height:1.4;padding:5px 8px;white-space:nowrap}.range-badge span{font-size:6px}.range-badge.warning{color:#ffdfa2;border-color:#8b8156}.result-main{padding:28px 0 15px}.result-number{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.result-number output{font-size:70px;font-weight:540;line-height:1.12;letter-spacing:-3px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;max-width:100%;font-variant-numeric:tabular-nums}.result-number.compact output{font-size:44px;letter-spacing:-2px}.result-number span{font-size:24px;color:#b0c699;font-weight:400;overflow-wrap:anywhere;max-width:100%}#result-summary{font-size:12px;color:#b2c8b2;margin:14px 0 0;line-height:1.6;overflow-wrap:anywhere}.meter{margin-top:3px}.meter svg{width:100%;height:auto;display:block;overflow:visible}.meter-labels{display:flex;justify-content:space-between;padding:0 0;color:#8eac98;font-size:9px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;margin-top:-5px}.meter-labels span{width:10%;text-align:center}.result-mapping{border-top:1px solid #3d5e4f;margin-top:25px;padding-top:17px;display:flex;gap:12px;align-items:center;justify-content:space-between}.result-mapping>div:last-child{text-align:right}.result-mapping div{min-width:0}.result-mapping span:not(.mapping-arrow){font-size:10px;color:#9cb69e;display:block;margin-bottom:5px}.result-mapping strong{font-size:13px;font-weight:500;color:#e5efd9;overflow-wrap:anywhere}.mapping-arrow{color:#63846d;font-size:22px}.result-actions{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:25px}.copy-result{display:flex;align-items:center;justify-content:center;gap:8px;color:#e1edce;background:#365a40;border:1px solid #608157;border-radius:7px;padding:10px 15px;font-size:11px;font-weight:650;min-height:38px}.copy-link{display:flex;align-items:center;gap:7px;border:0;background:transparent;color:#bed0ac;font-size:11px;font-weight:550;padding:10px 0}.copy-link span{font-size:16px}.range-warning{font-size:12px;line-height:1.5;color:#ffdfa6;padding:10px;background:#554e332b;border:1px solid #706347;border-radius:8px;margin-bottom:0}.compare-panel{border:1px solid var(--line);border-radius:11px;background:var(--paper);margin-top:16px;padding:0 17px}.compare-panel summary{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px;font-size:11px;font-weight:600;color:#50674d;cursor:pointer;list-style:none}.compare-panel summary::-webkit-details-marker{display:none}.compare-panel summary>span:first-child{display:flex;align-items:center;gap:8px}.plus{font-size:18px;font-weight:400;color:#88977c}.compare-panel[open] .plus{transform:rotate(45deg)}.compare-content{padding-bottom:12px;border-top:1px solid #e7ede1}.compare-content>p{font-size:11px;line-height:1.6;color:#7c8976;margin:12px 0}.compare-content label{font-size:10px;line-height:1.4;min-height:14px}.compare-content input{font-size:13px;height:40px}.compare-content .comparison-result{background:#f1f6ea;border:1px solid #d5e1c6;border-radius:7px;padding:9px;color:#446136}.compare-content .comparison-result.warning{background:#fff5e6;border-color:#ead7b8;color:#885d27}.compare-content .comparison-result.error{background:#fbefeb;border-color:#e6cdc3;color:var(--red)}.compare-content .comparison-note{font-size:10px}.local-note{display:flex;align-items:flex-start;gap:9px;color:#799071;padding:18px 6px 0}.local-note svg{margin-top:1px;flex-shrink:0}.local-note p{font-size:11px;line-height:1.65;color:#6a7d5f;margin:0}.local-note p span{font-size:10px;color:#8d9982}
.reference-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-top:24px;overflow:hidden}.reference-header{padding:22px 25px 18px;display:flex;align-items:center;justify-content:space-between;gap:15px}.reference-header .eyebrow{font-size:9px;letter-spacing:1.3px;margin:0}.reference-header h2{font-size:16px;margin:7px 0 0;font-weight:650;letter-spacing:-.35px}.table-wrap{overflow-x:auto;padding:0 25px 20px}table{width:100%;border-collapse:collapse;table-layout:fixed;text-align:center;font-size:12px;font-variant-numeric:tabular-nums}thead{border-top:1px solid #e4e9dc;border-bottom:1px solid #e4e9dc}thead th{font-size:10px;color:#6b7c61;font-weight:500;background:#f9fbf6;padding:12px 7px}th:first-child{width:24%;text-align:left}thead th:first-child{padding-left:12px;color:#8a9680}tbody th,tbody td{padding:13px 7px;border-bottom:1px solid #eef1e8}tbody tr:last-child>*{border-bottom:0;padding-bottom:3px}tbody th{font-size:11px;font-weight:550;color:#5d6e54;padding-left:12px}tbody th span{color:#8c9880;font-weight:400;font-size:10px}tbody td{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#34502e;font-size:12px;overflow-wrap:anywhere}.current-column{background:#f1f6e9}#reference-error{padding:0 25px;color:var(--red);font-size:12px}.scope-note{color:#8a9582;font-size:10px;line-height:1.7;margin:15px 3px 28px}footer{border-top:1px solid var(--line);padding:22px 0 28px;display:flex;justify-content:space-between;gap:18px;color:#8b9784;font-size:10px;line-height:1.6}footer strong{font-weight:650;color:#65795c}footer>span:last-child{font-size:8px;letter-spacing:1px;white-space:nowrap}.footer-version{border:1px solid #dce5d3;border-radius:3px;padding:3px 4px;margin-left:9px;font-size:8px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#244a38;color:#f4f8ee;padding:12px 18px;border-radius:10px;font-size:12px;box-shadow:0 4px 20px #173f3540;z-index:30;max-width:90vw;text-align:center}dialog{max-width:620px;width:calc(100% - 32px);border:1px solid var(--line);border-radius:16px;padding:25px;color:var(--ink);background:#fff;box-shadow:0 15px 80px #122f3633;max-height:90dvh}dialog::backdrop{background:#18342b80;backdrop-filter:blur(2px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:-25px;background:white;padding:3px 0 10px}.dialog-heading h2{font-size:20px;margin:0;letter-spacing:-.5px}.close-button{background:#f1f5ec;border:0;border-radius:7px;width:32px;height:32px;flex-shrink:0;font-size:24px;line-height:1;color:#657a58}.help-body p,dialog>p{font-size:12px;line-height:1.75;color:#66745e}.help-body strong{color:#355131}.formula{background:#f2f6ed;border:1px solid #e1e9d7;border-radius:8px;padding:14px;font-size:11px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.8;overflow-wrap:anywhere}#copy-text{width:100%;font-size:12px;border:1px solid var(--line);border-radius:8px;padding:12px;line-height:1.6}.noscript{background:#fff1e6;border:1px solid #efd1b5;border-radius:8px;padding:20px;margin-bottom:25px}body.invalid .result-card{opacity:.87}body.invalid .meter{opacity:.2}
@media(min-width:1350px){main,.site-header{max-width:1184px}}@media(max-width:960px){.field-label{display:none}.workspace{gap:18px;grid-template-columns:1.17fr 1fr}#calculator-form{padding:22px 20px}.result-card{padding:23px 22px}.form-grid{gap:12px}.range-help>span{max-width:170px}.example-row{padding:14px 20px}.example-row>span{width:100%}.result-number output{font-size:58px}.quick-points{gap:4px}.quick-points button{min-width:37px}.intro{padding-top:32px}.intro h1{font-size:35px}.reading-wrap input{font-size:31px}.result-actions{gap:8px}.copy-result{padding:10px 12px}}
@media(max-width:720px){.site-header{height:75px;padding:0 20px}.brand{font-size:21px}main{padding:0 20px}.intro{padding:28px 0 23px;align-items:flex-start;gap:10px}.intro h1{font-size:32px;letter-spacing:-1.4px}.intro h1 span{display:block}.intro-text{font-size:12px;max-width:255px}.intro>.quiet-button{font-size:0;border:0;padding:5px;min-width:28px}.intro>.quiet-button .help-icon{font-size:12px;width:21px;height:21px}.eyebrow{font-size:8px;letter-spacing:1.2px}.workspace{grid-template-columns:1fr;gap:18px}.result-column{display:contents}.result-card{padding:25px;margin-top:0}.result-main{padding-top:23px}.result-number output{font-size:69px}.meter{max-width:450px}.meter svg{height:55px}.result-mapping{margin-top:20px}.compare-panel{margin-top:0}.local-note{padding:0 5px}.reference-card{margin-top:22px}.reference-header{padding:20px 18px 15px}.reference-header h2{font-size:14px}.reference-header>.quiet-button{font-size:10px;padding:8px}.table-wrap{padding:0 14px 17px}table{min-width:345px}thead th{padding:11px 4px;font-size:9px}tbody td{font-size:11px;padding:12px 4px}th:first-child{width:25%}tbody th{font-size:10px;padding-left:7px}tbody th span{display:block;font-size:9px}.range-help>span{max-width:unset;font-size:9px}.quick-points button{min-width:40px;min-height:32px}.example-row>span{width:auto}.example-row{gap:10px}.example-button{padding:7px 9px}.scope-note{margin-bottom:22px;font-size:9px}footer{flex-direction:column;gap:8px;padding:18px 0 24px}footer>span:last-child{font-size:8px}.field input,.field select{font-size:16px}.field select{font-size:13px}.compare-content input{font-size:16px}#copy-text{font-size:16px}.custom-box input{font-size:14px}}
@media(max-width:390px){.site-header,main{padding-left:15px;padding-right:15px}.status-pill{font-size:10px;padding:6px 8px}.brand{font-size:20px;gap:8px}.brand svg{width:30px;height:30px}.intro h1{font-size:30px}.form-grid{gap:10px}#calculator-form{padding:20px 17px}.range-help{align-items:flex-start}.range-help>span{max-width:145px}.quick-points>span{font-size:9px}.quick-points button{min-width:35px}.example-row{padding:13px 17px}.example-button{font-size:9px}.result-card{padding:22px}.reference-header>.quiet-button{font-size:9px}.reference-header>.quiet-button svg{display:none}.reference-header{padding:18px 13px}.table-wrap{padding-left:8px;padding-right:8px}.result-number output{font-size:61px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}dialog::backdrop{backdrop-filter:none}}
@media print{*{-webkit-print-color-adjust:exact;print-color-adjust:exact}body{background:white;color:#111;font-size:11px}.site-header{height:55px;padding:0;border-color:#bbb;max-width:100%}.brand{font-size:20px}.header-right,.intro>.quiet-button,.direction,.example-row,.quick-points,.text-button,.result-actions,.local-note,#print,.toast,dialog,.skip-link{display:none!important}main{padding:0;max-width:100%}.intro{padding:17px 0}.intro h1{font-size:25px}.intro h1 span{display:inline}.intro-text{margin-top:6px;font-size:11px}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:15px}.result-column{display:block}.setup-card{box-shadow:none;border:1px solid #bbb}.result-card{background:#f4f7f1;color:#15331d;box-shadow:none;border:1px solid #aaa;padding:20px}.result-top h2,.result-number span,#result-summary,.result-mapping strong,.result-mapping span:not(.mapping-arrow),.range-badge,.meter-labels{color:#2b4327}.result-number output{font-size:46px;color:#173f35}.result-mapping{border-color:#aaa}.result-main{padding:15px 0 7px}.range-warning{color:#714914;background:#fff5e5}.compare-panel:not([open]){display:none}.compare-panel{break-inside:avoid;margin-top:12px}.compare-panel summary{min-height:36px}.compare-content .comparison-result{color:#222}.plus{display:none}#calculator-form{padding:18px}.field input,.field select{font-size:12px;height:32px;background:#fff;border-color:#bbb}.field label{font-size:10px}.section-heading{margin-bottom:12px}.section-heading h2{font-size:12px}.range-help{font-size:9px}.reading-heading{padding-top:13px;margin-top:15px}.reading-wrap{height:49px}.reading-wrap input{font-size:26px}.endpoints{margin-top:12px}.reference-card{margin-top:17px;break-inside:avoid;border-color:#bbb}.reference-header{padding:15px 18px}.table-wrap{padding-bottom:16px}.scope-note{font-size:9px;margin:12px 0}footer{padding:12px 0;border-color:#bbb;font-size:9px}.result-column,.setup-card{break-inside:avoid}footer>span:last-child{font-size:8px}#comparison,#tolerance{height:29px}.comparison-note{font-size:8px!important}@page{size:auto;margin:12mm}}