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.results-panel{padding:30px 34px 24px;background:var(--soft);position:relative;display:flex;flex-direction:column;border-left:1px solid #dce3d7;min-width:0}.results-panel .panel-heading{margin-bottom:35px}.verified-badge{margin-left:auto;display:flex;align-items:center;gap:4px;font-size:10px;font-weight:550;color:var(--green);background:#dfe9db;border:1px solid #d2dfcb;padding:3px 7px;border-radius:30px}.verified-badge svg{height:13px;width:13px;stroke-width:2}.result-equation{font-size:12px;color:#647360;margin:0 0 15px;line-height:1.7}.main-result{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:20px;font-variant-numeric:tabular-nums}.main-result #result-value{font-size:clamp(36px,4.5vw,60px);font-weight:450;letter-spacing:-2.2px;line-height:1.15;overflow-wrap:anywhere;max-width:100%}.main-result #result-unit{font-size:18px;color:#596c59;letter-spacing:-.4px}.result-actions{display:flex;justify-content:space-between;align-items:center;gap:8px;padding-bottom:27px;border-bottom:1px solid #d5dfcd;font-size:10px;color:#78866e}.copy-button{display:flex;align-items:center;gap:6px;min-height:32px;background:none;border:0;font-size:10px;color:var(--green);padding:4px 0}.copy-button svg{width:14px;height:14px}.other-results{padding:23px 0 20px}.other-results .eyebrow{font-size:9px;letter-spacing:1.6px;color:#7c8972}.other-results dl{margin:14px 0 0;display:grid;gap:13px}.other-result{display:flex;align-items:baseline;justify-content:space-between;gap:15px}.other-result dt{font-size:12px;color:#6b7964}.other-result dd{margin:0;font-size:15px;letter-spacing:-.3px;white-space:nowrap;font-variant-numeric:tabular-nums}.result-bottom{margin-top:auto;padding-top:22px;border-top:1px solid #d5dfcd;display:flex;align-items:center;gap:7px;font-size:10px;color:#7d8876}.live-dot{background:#7d9574;width:5px;height:5px;border-radius:50%}.empty-result{flex:1;padding:21px 0 42px}.empty-symbol{display:flex;align-items:center;gap:14px;color:#8f9c83}.empty-symbol span{border:1px solid #cfdcc4;border-radius:12px;padding:13px 16px;font-family:var(--serif);font-size:24px;color:#6d8060}.empty-symbol svg{width:24px}.empty-result h3{font-family:var(--serif);font-weight:400;font-size:26px;line-height:1.25;letter-spacing:-.6px;margin:27px 0 12px}.empty-result p{font-size:12px;line-height:1.8;color:#75826c;margin:0}.load-error{font-size:13px;color:#994e32;line-height:1.6}
.source-context{border:1px solid var(--line);border-radius:12px;margin-top:14px;padding:20px 24px;background:#f9faf7}.source-summary{display:flex;gap:13px;align-items:center}.source-icon{border:1px solid #d5dfd0;border-radius:50%;height:30px;width:30px;display:grid;place-items:center;color:var(--green);flex-shrink:0}.source-icon svg{height:16px;width:16px}.source-summary .eyebrow{font-size:8px;letter-spacing:1.35px}.source-summary h3{font-size:12px;font-weight:550;margin:4px 0}.source-summary p:not(.eyebrow){font-size:11px;color:var(--muted);margin:0;line-height:1.6}.source-toggle{display:flex;align-items:center;gap:7px;white-space:nowrap;background:none;border:0;font-size:11px;margin-left:auto;padding:10px 0;color:var(--green)}.source-toggle svg{height:14px;width:14px}.locality-warning{font-size:10px;color:#797562;line-height:1.7;padding-left:43px;margin:9px 0 0}.source-details{margin:16px 0 0 43px;padding-top:15px;border-top:1px solid var(--line);font-size:11px;line-height:1.8}.source-details a{display:block;color:var(--green);margin-bottom:7px;overflow-wrap:anywhere}.source-details p{color:var(--muted);margin:8px 0 0}.source-access-note{color:#88765b}
.ad-space{margin:32px auto 0;text-align:center;max-width:728px}.ad-label{display:block;font-size:8px;letter-spacing:1.8px;color:#92988e;margin-bottom:8px}.ad-outline{height:90px;background:repeating-linear-gradient(135deg,transparent,transparent 8px,#71816a04 8px,#71816a04 9px);border:1px dashed #cfd6c8;border-radius:5px;display:flex;align-items:center;justify-content:center;gap:10px;color:#959e8f;font-size:11px}.ad-cross{font-size:20px;font-weight:300;line-height:1}.ad-size{border-left:1px solid #d6dccf;padding-left:10px;color:#a2a89b;font-size:10px}.mobile-size{display:none}.ad-caption{display:block;margin-top:8px;font-size:9px;color:#949b8d}.reference{margin-top:48px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:22px;gap:16px}.section-heading .eyebrow{font-size:9px;letter-spacing:1.4px}.section-heading h2{font-family:var(--serif);font-weight:400;font-size:30px;letter-spacing:-.8px;margin:9px 0 0}.section-heading>p{font-size:11px;color:var(--muted);margin:0;line-height:1.7}.table-shell{border:1px solid var(--line);border-radius:10px;overflow:hidden}table{width:100%;border-collapse:collapse;text-align:left;font-variant-numeric:tabular-nums}th{background:#eef1e9;color:#68715f;font-size:10px;letter-spacing:.3px;font-weight:500;padding:15px 24px}td{font-size:12px;padding:14px 24px;border-top:1px solid #e4e8df}th:last-child,td:last-child{text-align:right}tbody tr:nth-child(even){background:#fafbf8}.approach{margin-top:53px;padding-top:35px;border-top:1px solid var(--line)}.approach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:29px}.approach article>span{color:#8e9987;font-size:9px;letter-spacing:1.4px}.approach h3{font-size:13px;font-weight:550;letter-spacing:-.2px;margin:12px 0 9px}.approach article p{font-size:11px;line-height:1.9;color:var(--muted);margin:0}.ad-space-secondary{margin-top:41px}.site-footer{display:flex;align-items:center;gap:26px;flex-wrap:wrap;padding:32px 0 28px;margin-top:46px;border-top:1px solid var(--line)}.site-footer .brand{font-size:19px}.site-footer p{font-size:10px;color:var(--muted);margin:0}.site-footer>a:last-of-type{display:flex;gap:7px;align-items:center;text-decoration:none;font-size:10px;margin-left:auto;color:var(--muted)}.site-footer svg{height:12px;width:12px}.preview-label{width:100%;font-size:8px;letter-spacing:1.5px;color:#98a08f;margin-top:5px}.noscript-note{padding:20px;border:1px solid var(--line);line-height:1.8}
@media(min-width:1400px){.wrap{width:1060px}.intro{padding-top:59px}}
@media(max-width:850px){.wrap{width:calc(100% - 48px)}.controls,.results-panel{padding:26px 25px}.intro-note{display:none}h1{font-size:58px}.approach-grid{gap:24px}.unit-options button{padding:7px 8px}.main-result #result-value{font-size:42px}.result-actions{flex-wrap:wrap}}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.site-header{height:76px}.brand{font-size:23px}.brand-mark{margin-right:9px;transform:scale(.9) rotate(-8deg)}.site-header nav a{font-size:11px;gap:5px}.site-header nav svg{width:15px}.intro{padding:30px 0 25px}.intro .eyebrow{font-size:8px;letter-spacing:1.35px}h1{font-size:45px;letter-spacing:-1.7px;line-height:1.04;margin:15px 0 12px}.intro-copy{font-size:12px}.calculator{grid-template-columns:1fr;border-radius:15px;box-shadow:0 7px 25px #273b250a}.controls{padding:22px 20px 19px}.panel-heading{margin-bottom:20px}.panel-heading h2{font-size:14px}.field label{font-size:10px;margin-bottom:7px}.location-fields{gap:13px}.select-shell select{height:45px;font-size:12px;padding-left:12px}.select-shell>svg{top:14px}.amount-field{margin-top:18px}.amount-shell{height:64px}.amount-shell input{font-size:30px;padding-left:14px}.amount-shell select{font-size:12px;min-width:115px;width:120px}.unit-direction{margin-top:17px}.text-button{min-height:28px}.unit-options{gap:5px}.unit-options button{font-size:10px;min-height:38px;padding-inline:10px}.control-footnote{margin-top:16px;font-size:9px}.results-panel{padding:21px 20px 18px;border-left:0;border-top:1px solid #dce3d7}.results-panel .panel-heading{margin-bottom:22px}.result-equation{margin-bottom:11px;font-size:11px}.main-result{margin-bottom:13px;gap:8px}.main-result #result-value{font-size:46px;letter-spacing:-1.9px}.main-result #result-unit{font-size:16px}.result-actions{padding-bottom:16px;flex-wrap:nowrap}.copy-button{min-height:36px}.other-results{padding:18px 0}.other-results dl{gap:12px}.other-result dd{font-size:14px}.other-result dt{font-size:11px}.result-bottom{padding-top:15px;font-size:9px}.empty-result{padding:0 0 23px}.empty-symbol{display:none}.empty-result h3{font-size:23px;margin:0 0 10px}.empty-result p{font-size:11px}.empty-result p br{display:none}.source-context{padding:16px;margin-top:12px;border-radius:10px}.source-summary{gap:10px;align-items:flex-start;flex-wrap:wrap}.source-summary>div{flex:1;min-width:0}.source-summary h3{font-size:11px;line-height:1.5}.source-summary .eyebrow{font-size:7px;letter-spacing:1px}.source-summary p:not(.eyebrow){font-size:10px}.source-icon{width:26px;height:26px}.source-toggle{margin:0 0 0 36px;padding:2px 0;min-height:32px;font-size:10px}.locality-warning{padding-left:36px;margin-top:5px;font-size:9px}.source-details{margin-left:0;font-size:10px}.ad-space{max-width:320px;margin-top:27px}.ad-outline{height:100px;font-size:10px;gap:8px}.ad-caption{font-size:8px;line-height:1.7;padding-inline:8px}.desktop-size{display:none}.mobile-size{display:inline}.reference{margin-top:35px}.section-heading{display:block;margin-bottom:18px}.section-heading h2{font-size:27px;margin-top:7px}.section-heading .eyebrow{font-size:8px}.section-heading>p{margin-top:9px;font-size:10px}th{padding:13px 18px;font-size:9px}td{padding:13px 18px;font-size:11px}.approach{margin-top:35px;padding-top:26px}.approach-grid{grid-template-columns:1fr;gap:22px;margin-top:23px}.approach article{position:relative;padding-left:38px}.approach article>span{position:absolute;left:0;top:2px;font-size:8px;max-width:23px;line-height:1.7;overflow:hidden;white-space:nowrap}.approach h3{margin:0 0 6px;font-size:12px}.approach article p{font-size:10px;line-height:1.8}.ad-space-secondary{margin-top:29px}.site-footer{padding:24px 0;gap:11px;margin-top:32px}.site-footer .brand{font-size:18px}.site-footer p{width:100%;font-size:9px;order:2}.site-footer>a:last-of-type{font-size:9px}.preview-label{order:3;font-size:7px;margin-top:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.example-button{display:flex;align-items:center;gap:8px;border:0;background:none;padding:10px 0;color:var(--green);font-size:11px;margin-top:15px;min-height:40px}.example-button svg{height:15px;width:15px}.main-result #result-value.long-result{font-size:34px;letter-spacing:-1px}
.mobile-output{display:none}
@media(max-width:600px){
  .site-header{height:60px}.intro{padding:16px 0 14px}h1{font-size:28px;letter-spacing:-1px;margin:11px 0 8px}h1 br{display:none}.intro-copy{font-size:13px}.intro .eyebrow{font-size:8px;letter-spacing:1px}
  .controls{padding:18px 20px 16px}.panel-heading{margin-bottom:17px}.field label{font-size:12px}.select-shell select{font-size:16px;height:44px}.location-fields{gap:12px}.amount-field{margin-top:16px}.amount-shell select{font-size:16px;min-width:120px;width:120px}.amount-shell{height:60px}
  .unit-direction{font-size:12px;margin:12px 0 6px}.text-button{font-size:12px;min-height:36px}.mobile-output{display:block}.unit-options{display:none}.control-footnote{display:none}
  .results-panel .panel-heading{margin-bottom:15px}.main-result #result-value{font-size:42px}.result-equation{font-size:12px}.result-actions{font-size:11px}.copy-button{min-height:44px;font-size:11px}.other-result dt{font-size:12px}.other-result dd{font-size:15px}.result-bottom{font-size:10px}
  .source-summary h3{font-size:13px}.source-summary p:not(.eyebrow){font-size:12px}.source-summary .eyebrow{font-size:8px}.source-toggle{font-size:12px;min-height:44px}.locality-warning{font-size:11px;line-height:1.7}.source-details{font-size:12px}
  .ad-outline{font-size:12px}.ad-caption{font-size:9px}.ad-label{font-size:9px}.section-heading>p{font-size:12px}th{font-size:12px}td{font-size:13px}.approach h3{font-size:14px}.approach article p{font-size:13px}.site-footer p,.site-footer>a:last-of-type{font-size:11px}
}
/* Keep secondary copy readable against the muted palette. */
:root{--muted:#626d64}.control-footnote{color:#687367}.result-bottom{color:#64725d}.other-results .eyebrow{color:#68765f}.result-equation{color:#5d6c58}.result-actions{color:#65725d}.locality-warning{color:#716a52}.ad-label,.ad-caption{color:#6e7867}.ad-outline{color:#6f7968}.ad-size{color:#75806c}.preview-label{color:#6e7867}.step{color:#6c7967}.approach article>span{color:#6c7967}

/* Familiar words, readable type and generous controls for older readers. */
:root{--sans:'Nirmala UI','Segoe UI',Arial,sans-serif;--muted:#536258}
body{font-size:16px;line-height:1.5}.brand{letter-spacing:-.5px;font-size:26px}.brand-name{white-space:nowrap}
.language-switch{border:1px solid #bdcbbc;border-radius:9px;padding:3px;background:#fff}.language-switch select{min-height:44px;width:130px;max-width:100%;padding:5px 10px;border:0;background:transparent;color:var(--green);border-radius:6px;font-size:15px;cursor:pointer}
h1{font-size:52px;letter-spacing:-1.4px;line-height:1.2}.intro{padding:28px 0}.intro-copy{font-size:17px}.intro-note p{font-size:14px;max-width:220px}.eyebrow{letter-spacing:.7px;font-size:12px}
.panel-heading h2{font-size:20px}.small-tag,.verified-badge{font-size:12px}.field label,.unit-direction{font-size:16px;color:#344b3c;font-weight:600}.select-shell select{height:52px;font-size:17px;padding-right:36px}.select-shell>svg{top:18px}.amount-shell{height:70px}.amount-shell select{font-size:17px;min-width:135px;height:44px}.amount-shell input{font-size:34px}.unit-options button{min-height:46px;font-size:14px;padding:9px 12px}.text-button,.copy-button{font-size:14px;min-height:44px}.control-footnote{display:none}
.field-help{font-size:13px;line-height:1.5;color:var(--muted);margin:7px 0 0}#measure-guidance{margin-top:3px;font-size:14px}#measure-guidance summary{cursor:pointer;color:var(--green);min-height:44px;display:flex;align-items:center;text-decoration:underline;text-underline-offset:3px}#measure-guidance summary::before{content:'?';border:1px solid #b7c6b7;border-radius:50%;width:22px;height:22px;text-align:center;line-height:21px;margin-right:8px;flex-shrink:0}#measure-guidance p{margin:0 0 12px;line-height:1.7;color:#405344}
.result-equation{font-size:16px}.main-result #result-unit{font-size:21px}.result-actions{font-size:13px}.other-result dt,.other-result dd{font-size:16px}.result-bottom{font-size:12px}.empty-result h3{font-family:var(--sans);font-size:23px;letter-spacing:0}.empty-result p{font-size:16px}.example-button{font-size:15px;min-height:48px}.input-error{font-size:14px}
.source-summary h3{font-size:17px;line-height:1.5}.source-summary .eyebrow{font-size:11px;letter-spacing:.5px}.source-summary p:not(.eyebrow){font-size:14px}.source-toggle{font-size:15px;min-height:48px;white-space:normal;text-align:left;max-width:210px}.locality-warning{font-size:14px}.source-details{font-size:15px}.source-details p{color:#405344}.source-details a{min-height:44px;display:flex;align-items:center}.evidence-citation{padding-left:12px;border-left:2px solid #c9d6c4}.calculation-formula{padding:12px;background:var(--soft);border-radius:8px}#calculation-evidence{overflow-wrap:anywhere}#research-link{margin-top:15px}
.section-heading>p,.approach article p{font-size:15px}.approach h3{font-size:17px}th,td{font-size:15px}.ad-label,.ad-caption{font-size:11px}.ad-outline{font-size:14px}.site-footer p,.site-footer>a:last-of-type{font-size:14px}.preview-label{font-size:10px}
html:not([lang=en]) h1,html:not([lang=en]) .section-heading h2{font-family:var(--sans);letter-spacing:0;font-weight:500}html:not([lang=en]) .eyebrow{letter-spacing:0}
@media(max-width:600px){
 .wrap{width:calc(100% - 28px)}.site-header{height:72px}.brand{font-size:23px}.brand-mark{display:none}.language-switch select{font-size:14px}
 .intro{padding:13px 0 17px}h1{font-size:30px;margin:7px 0;letter-spacing:-.7px}.intro .eyebrow{font-size:11px;letter-spacing:.4px}.intro-copy{font-size:15px;line-height:1.5}
 .controls{padding:18px 16px 14px}.panel-heading{margin-bottom:14px}.panel-heading h2{font-size:18px}.small-tag,.verified-badge{font-size:12px}.field label{font-size:15px;line-height:1.4;margin-bottom:6px}.select-shell select{height:48px;font-size:17px;padding-left:12px}.select-shell>svg{top:16px}.location-fields{gap:12px}.field-help{font-size:13px;margin-top:6px}.amount-field{margin-top:9px}.amount-shell{height:60px}.amount-shell select{font-size:16px;min-width:126px;width:126px}.amount-shell input{font-size:32px}.unit-direction{font-size:15px;margin-top:9px;gap:7px}.text-button{font-size:13px;white-space:nowrap}
 .results-panel{padding:18px 16px}.result-equation{font-size:15px}.main-result #result-value{font-size:40px}.main-result #result-unit{font-size:19px}.result-actions{font-size:13px;flex-wrap:wrap}.copy-button{font-size:14px}.other-result dt,.other-result dd{font-size:16px}.result-bottom{font-size:12px}.empty-result p{font-size:15px}
 .source-context{padding:16px}.source-summary>div{min-width:0}.source-summary h3{font-size:16px}.source-summary p:not(.eyebrow){font-size:14px}.source-summary .eyebrow{font-size:11px}.source-toggle{margin-left:36px;font-size:15px;max-width:none}.locality-warning{font-size:14px;padding-left:0;margin-top:10px}.source-details{font-size:15px}.section-heading h2{font-size:25px;line-height:1.4}.section-heading>p,.approach article p{font-size:15px}.approach h3{font-size:17px}.approach article{padding-left:0}.approach article>span{display:none}th,td{padding:13px 12px;font-size:14px}.site-footer .brand{font-size:21px}.site-footer p,.site-footer>a:last-of-type{font-size:14px}.ad-outline{font-size:13px;gap:5px}
 .site-header{height:64px}.intro{padding:10px 0 12px}.intro .eyebrow,.intro-copy{display:none}.intro h1{font-size:28px;margin:4px 0;line-height:1.3}#measure-help{display:none}
}

/* Give longer convention headings a full column on phones. */
.comparison-table th:first-child{width:65%;white-space:normal}.comparison-table td{white-space:nowrap}.comparison-table table{table-layout:fixed;width:100%}.comparison-table th,.comparison-table td{overflow-wrap:anywhere}.guide-content section[id]{scroll-margin-top:20px}
.guide-content{max-width:820px;padding-block:24px 48px;overflow-wrap:anywhere}.guide-content h1{font-size:36px;line-height:1.35;letter-spacing:-.5px}.guide-content h2,.home-guides h2{font-size:25px;line-height:1.4}.guide-content section{margin-top:32px}.guide-content p,.guide-content li{line-height:1.8}.guide-content li{margin-bottom:12px}.guide-answer{font-size:25px;font-weight:600;color:var(--green)}.guide-content a,.home-guides a{text-decoration:underline;text-underline-offset:3px;color:var(--green)}.guide-cta,.guide-language{display:inline-flex;align-items:center;min-height:44px}.guide-content .guide-cta{padding:10px 18px;border-radius:8px;background:var(--green);color:white}.guide-sources p{margin:3px 0;font-size:14px}.guide-directory{padding-left:22px}.guide-directory li{margin-bottom:24px}.guide-breadcrumb{font-size:14px}.home-guides{padding:24px 0 32px}.home-guides li{margin-bottom:12px;line-height:1.6}.guide-content caption{text-align:left;padding:10px}.guide-page .site-footer{flex-wrap:wrap}.result-notice{font-size:11px;line-height:1.6;color:var(--muted);margin:4px 0 12px}.legal-links{display:flex;flex-wrap:wrap;gap:4px 18px;width:100%;font-size:11px}.legal-links a{display:inline-flex;align-items:center;min-height:32px;color:var(--muted)}

@media(max-width:600px){.guide-content{padding-top:16px}.guide-content h1{font-size:27px}.guide-answer{font-size:22px}.guide-content h2,.home-guides h2{font-size:23px}.guide-content li{padding-right:4px}}
.copy-actions{display:flex;gap:16px;flex-wrap:wrap}.result-actions{flex-wrap:wrap}.result-equation{overflow-wrap:anywhere}
/* Keep the same reserved height for samples and empty inventory. */
.ad-outline.ad-preview-content{padding:12px;border-style:solid;background:#edf0eb;color:#425347;text-align:left;gap:14px}
.ad-sample-mark{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:8px;background:#dce4d8;color:#425347;font-size:16px}
.ad-sample-text{min-width:0;display:grid;gap:5px}.ad-sample-title{font-size:16px;line-height:1.35}.ad-preview-note,.ad-empty-copy{font-size:12px;line-height:1.5;overflow-wrap:anywhere}
@media(max-width:600px){
 .source-summary{display:grid;grid-template-columns:30px minmax(0,1fr)}
 .source-toggle{grid-column:1 / -1;justify-self:start;margin-left:40px}
 .panel-heading .step{display:none}
 .intro{padding:6px 0 8px}.controls{padding:14px 16px 10px}.results-panel{padding:14px 16px}
 .location-fields{gap:10px}.field label{margin-bottom:4px}.results-panel .panel-heading{margin-bottom:12px}
}

/* Keep the language menu beside the brand on small screens. */
@media(max-width:600px){.site-header{gap:10px}.language-switch select{width:122px;font-size:14px}}

/* Local scripts need room to wrap longer control and status labels. */
.controls,.results-panel,.location-fields,.field{min-width:0}
@media(max-width:600px){
 html:not([lang=en]):not([lang=hi]) .site-header .brand{font-size:20px;letter-spacing:0;min-width:0;max-width:calc(100% - 140px)}
 html:not([lang=en]):not([lang=hi]) .site-header .brand-name{white-space:normal}
 .site-header nav{flex-shrink:0}
 html:not([lang=en]):not([lang=hi]) .unit-direction{flex-wrap:wrap}
 html:not([lang=en]):not([lang=hi]) .text-button{white-space:normal;text-align:left}
 html:not([lang=en]):not([lang=hi]) .panel-heading{flex-wrap:wrap;gap:8px}
 html:not([lang=en]):not([lang=hi]) .verified-badge{white-space:normal}
}
@media(max-width:600px){.legal-links{order:3}}
.ad-rail{display:none}
@media(min-width:1480px) and (min-height:780px){.ad-rail{display:block;position:fixed;top:140px;width:160px;max-width:none;margin:0;z-index:1}.ad-rail-left{left:calc(50% - 722px)}.ad-rail-right{right:calc(50% - 722px)}.ad-rail .ad-outline{height:600px;flex-direction:column;text-align:center;padding:12px}.ad-rail .ad-size{border-left:0;padding-left:0}}
html[data-ads=off] .ad-space,html[data-ads=off] .preview-label{display:none}