:root{--ink:#182f2c;--muted:#556660;--paper:#f6f5ef;--white:#fff;--line:#dce3dc;--green:#1e5147;--orange:#da5b33;--soft:#eaf1e9;font-family:Arial,'Nirmala UI',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}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,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}button,input,select{min-height:46px}input,select{width:100%;min-width:0;border:1px solid #aab9b0;border-radius:9px;padding:11px 12px;background:#fff;color:var(--ink)}input:invalid:not(:focus){border-color:#a65335}input[disabled]{background:#edf0eb;color:#6d7972}button{border:1px solid var(--line);border-radius:9px;padding:11px 17px;background:white;color:var(--ink);font-weight:700}button:hover{background:var(--soft)}p{line-height:1.7;margin:0 0 18px}h1,h2,h3{margin:0 0 18px;line-height:1.25}h1{font-family:Georgia,'Nirmala UI',serif;font-size:clamp(36px,4.5vw,59px);font-weight:400;max-width:720px}h2{font-size:24px}h3{font-size:18px}small,.small{font-size:13px;line-height:1.65}strong{font-weight:700}[hidden]{display:none!important}.skip{position:absolute;top:-80px;left:16px;background:white;padding:15px;z-index:20}.skip:focus{top:10px}.shell{max-width:1000px;margin:auto;padding:0 30px}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:22px;padding-bottom:22px}.brand{text-decoration:none;display:flex;align-items:center;gap:11px;max-width:270px;font-weight:700;line-height:1.5}.brand-mark{display:grid;place-items:center;background:var(--green);color:white;width:38px;height:44px;flex-shrink:0;border-radius:9px;font-size:24px}.brand small{display:block;font-weight:400;color:var(--muted)}nav{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;font-size:14px}nav a{padding:7px 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h2{font-size:20px;margin:0}.step{font-size:12px;color:var(--muted);white-space:nowrap}.tabs{display:grid;grid-template-columns:1fr 1fr;background:#f0f2ed;padding:5px;border-radius:11px;gap:4px;margin-bottom:26px}.tabs button{border:0;font-size:13px;background:transparent;padding:12px 9px;line-height:1.5}.tabs button[aria-selected=true]{background:var(--green);color:white;box-shadow:0 2px 4px #183e2920}label{display:block;font-size:13px;font-weight:700;line-height:1.6;margin-bottom:7px}.field{margin-bottom:20px}.unit-entry{position:relative}.unit-entry input{font-size:35px;font-weight:700;padding:16px 74px 16px 17px;min-height:80px}.unit-entry span{position:absolute;right:17px;top:30px;color:var(--muted);font-size:14px;pointer-events:none}.help{font-size:12px;color:var(--muted);line-height:1.7;margin-top:8px}.form-note{padding:15px 17px;background:#f4f6f1;border-radius:10px;line-height:1.7;font-size:13px}.primary{background:var(--green);color:white;border:0}.primary:hover{background:#296759}.full{width:100%}.result{background:var(--green);color:white;border-radius:18px;padding:27px;min-width:0}.result .eyebrow{color:#e0ebdc;font-size:11px;letter-spacing:1px;margin-bottom:20px}.result .eyebrow:before{background:#dbd19d}.amount{font-size:55px;line-height:1.18;font-weight:500;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.result-label{font-size:13px;color:#d7e5dd;margin:8px 0 22px}.budget{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid #6c8c7c;padding-top:21px;margin-top:20px}.budget small{display:block;color:#d7e5dd;font-size:12px}.budget strong{display:block;font-size:19px;margin-top:7px}.free{display:flex;gap:8px;align-items:center;margin-top:22px;font-size:12px;color:#e6f0dd}.free:before{content:'✓';border:1px solid #819983;border-radius:50%;padding:1px 5px}.usage{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:22px 0;margin:0 0 24px;border-bottom:1px solid var(--line)}.usage strong{font-size:21px;display:block;margin-top:6px}.usage span{font-size:12px;color:var(--muted)}.breakdown{margin-top:20px}.breakdown h3{font-size:16px}.table-wrap{max-width:100%;overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.7}th,td{text-align:left;padding:11px 7px;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:400;color:var(--muted)}td:last-child,th:last-child{text-align:right}tbody td{font-variant-numeric:tabular-nums}.sumline{display:flex;gap:15px;justify-content:space-between;font-size:12px;margin-top:13px;line-height:1.5}.sumline strong{white-space:nowrap}.total{border-top:1px solid var(--line);padding-top:16px;font-size:14px}.tip{background:#f8efe1;border:1px solid #e9d9bb;border-radius:12px;padding:18px;margin-top:22px}.tip h3{font-size:15px}.tip p{font-size:13px;margin:0}.below{margin-top:56px;margin-bottom:56px}.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:24px}.section-heading h2{font-family:Georgia,'Nirmala UI',serif;font-size:30px;font-weight:400;margin:0}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{display:block;text-decoration:none;border-top:2px solid var(--line);padding:23px 0}.card:hover{border-color:var(--orange)}.card-number{color:var(--orange);font-size:12px;margin-bottom:15px;display:block}.card h3{font-size:17px;margin-bottom:10px}.card p{font-size:13px;color:var(--muted)}.card .arrow{font-size:20px;color:var(--green)}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;font-weight:700;line-height:1.6;padding-right:8px}details p{font-size:14px;color:var(--muted);margin:15px 0 0}.site-footer{border-top:1px solid var(--line);padding:30px 0 38px}.footer-top{display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap}.footer-top p{font-size:13px}.footer-note{font-size:12px;color:var(--muted);max-width:650px;margin:18px 0 0}.ad-rail{display:none}.article{max-width:760px;margin:0 auto;padding-bottom:50px}.article h2{margin-top:35px}.article p,.article li{font-size:16px;line-height:1.85}.article ul,.article ol{padding-left:23px}.article li{margin-bottom:12px}.article .lead{font-size:20px;color:var(--muted)}.article .callout{background:var(--soft);border-left:3px solid var(--green);padding:23px;margin:30px 0;border-radius:0 10px 10px 0}.article .callout p:last-child{margin-bottom:0}.article table{font-size:14px}.article .primary{display:inline-block;border-radius:9px;padding:14px 20px;text-decoration:none;margin:15px 0;line-height:1.5}.article .source{font-size:12px}.appliance-list{display:grid;gap:18px}.appliance{background:#f8f9f5;border:1px solid var(--line);border-radius:12px;padding:18px;min-width:0}.appliance-head{display:flex;justify-content:space-between;align-items:start;gap:12px;margin-bottom:17px}.appliance-head h3{font-size:15px;line-height:1.6;margin:0;overflow-wrap:anywhere}.remove{padding:5px 9px;font-size:12px;min-height:36px;font-weight:400}.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.fields label{font-size:12px}.fields .field{margin-bottom:0}.fields .wide{grid-column:1/-1}.formula{font-size:12px;line-height:1.8;color:var(--green);margin:15px 0 0;overflow-wrap:anywhere}.add-bar{border-top:1px solid var(--line);margin-top:22px;padding-top:22px}.add-bar button{margin-top:10px}.chart-row{margin:18px 0}.chart-label{display:flex;justify-content:space-between;gap:16px;font-size:12px;line-height:1.7;margin-bottom:8px}.chart-label span{min-width:0;overflow-wrap:anywhere}.chart-label strong{flex-shrink:0}.bar-track{height:7px;background:var(--soft);border-radius:10px;overflow:hidden}.bar{height:100%;background:var(--orange);border-radius:10px}.error{color:#9b321d;font-size:13px;line-height:1.7;padding:12px 0}.empty{font-size:14px;color:var(--muted)}html[lang=ta] h1{font-size:clamp(29px,3.5vw,43px);line-height:1.6;font-family:'Nirmala UI',Arial,sans-serif}html[lang=ta] h2,html[lang=ta] h3{line-height:1.65}html[lang=ta] .eyebrow{letter-spacing:0}html[lang=ta] .hero p{font-size:16px}html[lang=ta] .tabs button{font-size:12px}html[lang=ta] .brand{font-size:13px}html[lang=ta] .brand small{font-size:11px}
@media(min-width:1024px){.ad-rail{display:block;position:fixed;top:145px;width:160px;min-height:600px;color:#748079;text-align:center;font-size:10px;letter-spacing:1px}.ad-rail.left{left:max(16px,calc((100vw - 1400px)/2))}.ad-rail.right{right:max(16px,calc((100vw - 1400px)/2))}.ad-space{margin-top:18px;min-height:600px;border-top:1px solid var(--line);padding-top:16px}}
@media(max-width:760px){.shell{padding-left:22px;padding-right:22px}.header-inner{align-items:flex-start;gap:16px;flex-wrap:wrap}.header-inner nav{width:100%;justify-content:space-between;gap:8px 14px}.brand{max-width:100%}.hero{padding-top:34px;padding-bottom:27px}.hero p{font-size:15px}.calculator{grid-template-columns:minmax(0,1fr);gap:22px}.panel{padding:22px}.result{padding:25px}.cards{grid-template-columns:minmax(0,1fr);gap:0}.card{padding:22px 0}.card p{margin-bottom:10px}.below{margin-top:38px;margin-bottom:38px}.article .lead{font-size:17px}.article p,.article li{font-size:15px}.footer-top{gap:8px}.footer-top nav{font-size:13px}.article table{font-size:12px}.article th,.article td{padding:10px 5px}.section-heading{align-items:start;flex-direction:column}.hero h1{max-width:620px}}
@media(max-width:360px){.shell{padding-left:16px;padding-right:16px}.panel{padding:17px}.result{padding:22px}.tabs button{font-size:12px}.fields{grid-template-columns:minmax(0,1fr)}.fields .wide{grid-column:auto}.appliance{padding:14px}.amount{font-size:46px}.budget{gap:15px}.budget strong{font-size:17px}.header-inner nav{font-size:12px}.language{padding:8px}.panel-head{flex-wrap:wrap;gap:8px}.article .callout{padding:17px}.source{font-size:11px!important}.brand small{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}} 

.tabs [data-mode=bill]{grid-column:1/-1}
#bill-appliances{margin-top:26px;border-top:1px solid var(--line);padding-top:24px}
#reverse-summary{margin-bottom:20px}
.reverse-number{font-size:30px;display:block;overflow-wrap:anywhere}
.reverse-ranges,.bill-comparison{font-size:13px;line-height:1.7;margin:18px 0}
.reverse-ranges dt,.bill-comparison dt{color:var(--muted)}
.reverse-ranges dd,.bill-comparison dd{margin:0 0 12px;font-weight:700;overflow-wrap:anywhere}
.quick-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.quick-picker button{font-size:12px;line-height:1.7;padding:10px;overflow-wrap:anywhere}
.bill-hours-row{display:grid;grid-template-columns:minmax(0,1fr) 76px;gap:10px;align-items:center;border-top:1px solid var(--line);padding:15px 0}
.bill-hours-row label{overflow-wrap:anywhere;margin:0}.bill-hours-row small{display:block;font-weight:400;color:var(--muted)}
.bill-hours-row .remove{grid-column:1/-1;justify-self:start}
.bill-share-table{table-layout:fixed}.bill-share-table th,.bill-share-table td{overflow-wrap:anywhere;padding:10px 4px}
@media(max-width:1100px){.bill-share-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.bill-share-table,.bill-share-table tbody,.bill-share-table tr,.bill-share-table th,.bill-share-table td{display:block;width:100%}.bill-share-table tr{padding:12px 0;border-bottom:1px solid var(--line)}.bill-share-table th{font-weight:700;color:var(--ink)}.bill-share-table td{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;text-align:right}.bill-share-table td:before{content:attr(data-label);text-align:left;color:var(--muted)}.bill-share-table th,.bill-share-table td{border:0}}
@media(max-width:360px){.quick-picker{grid-template-columns:minmax(0,1fr)}}

.calculator.bill-mode{grid-template-columns:minmax(0,1fr)}
#results,#alternative-result{scroll-margin-top:20px;min-width:0}
#reverse-options p{font-size:14px;line-height:1.7;margin-bottom:12px}
#reverse-note{margin-bottom:0;color:var(--ink)}
.bill-mode #bill-appliances{margin-top:0}
#alternative-result>h3{margin-top:22px}

.field-message{font-size:12px;line-height:1.7;color:var(--ink);margin:8px 0 0;padding-left:10px;border-left:2px solid var(--orange)}
.error{color:var(--ink);background:var(--soft);padding:12px;border-radius:8px}
.add-custom{margin:12px 0 22px}
#bill-hours:empty{display:none}
input:invalid:not(:focus){border-color:#aab9b0}
input[aria-invalid=true]{border-color:#9c7950}
.fields{grid-template-columns:repeat(2,minmax(0,1fr))}
.appliance-head .remove{flex-shrink:0}
.amount{font-size:clamp(30px,3.5vw,48px)}
.budget>div,.usage>div{min-width:0;overflow-wrap:anywhere}
.sumline strong{white-space:normal;overflow-wrap:anywhere;text-align:right}
.chart-label{flex-wrap:wrap;gap:6px 16px}
.chart-label strong{overflow-wrap:anywhere;max-width:100%}
.panel,.result,.article,.site-footer{overflow-wrap:anywhere}
@media(max-width:360px){.fields{grid-template-columns:minmax(0,1fr)}.budget,.usage{grid-template-columns:minmax(0,1fr)}.amount{font-size:36px}}

/* Phone banners reserve their full height before an ad loads. */
.ad-phone{display:none}
@media(max-width:1023px){
 .ad-phone{display:block;position:static;float:none;clear:both;margin:24px 0;padding:0;height:126px;min-height:126px;text-align:center;color:var(--muted)}
 .ad-phone>span{display:block;font-size:10px;line-height:18px;margin-bottom:8px}
 .ad-phone-space{width:100%;height:100px;min-height:100px;max-height:100px}
 .ad-phone .adsbygoogle{height:100px;max-height:100px}
}
/* Keep the existing 160px rails clear of content at the desktop boundary. */
@media(min-width:1024px) and (max-width:1359px){
 .shell{max-width:calc(100% - 352px);padding-left:24px;padding-right:24px}
 .header-inner{flex-wrap:wrap}
 .header-inner nav{width:100%;justify-content:space-between}
 .calculator{grid-template-columns:minmax(0,1fr)}
 .cards{grid-template-columns:minmax(0,1fr)}
}