:root{--blue:#007bc0;--navy:#003b6a;--red:#d90018;--ink:#172b3a;--muted:#586d7d;--line:#d5e2eb;--soft:#f3f7fa;--green:#147a4d;--shadow:0 3px 16px #003b6a0a}*{box-sizing:border-box}html{color-scheme:light}body{margin:0;color:var(--ink);background:white;font:16px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button,input,select{outline-offset:3px}a{color:var(--blue)}.app-shell{max-width:1400px;margin:auto}.app-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 28px;border-bottom:1px solid var(--line)}.brand{color:var(--navy);font-size:24px;font-weight:800;letter-spacing:-.7px;text-decoration:none}.brand em{font-style:normal;color:var(--red)}.brand small{display:block;font-size:11px;letter-spacing:1.8px;font-weight:600;color:var(--muted)}.toolbar{display:flex;gap:8px;align-items:center}.toolbar button{background:white;border:1px solid var(--line);padding:9px 13px;border-radius:7px;font-size:14px}.toolbar button:hover{border-color:var(--blue);color:var(--blue)}.project-row{display:flex;align-items:center;gap:20px;padding:16px 28px;background:#fafcfd}.project-row label{font-size:12px;letter-spacing:.4px;color:var(--muted);display:flex;align-items:center;gap:12px}.project-row input{border:0;background:none;max-width:320px;width:260px;font-size:15px;padding:5px;color:var(--ink)}.project-row>span{margin-left:auto;font-size:14px;color:var(--muted)}.project-row b{color:var(--navy);padding-left:5px}.tabs{display:flex;gap:4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 12px;background:white;overflow:auto}.tabs button{flex:1;white-space:nowrap;border:0;border-bottom:3px solid transparent;background:white;padding:13px 11px 11px;font-size:15px;font-weight:650;border-radius:7px 7px 0 0;color:var(--navy);display:flex;gap:8px;align-items:center;justify-content:center}.tabs button span{font-size:11px;color:#6b8ca1;font-weight:500}.tabs button.active,.tabs button:hover{background:#e5f4fb;border-bottom-color:var(--blue);color:#005c91}.content-wrap{background:var(--soft);padding:28px}.page-heading{display:flex;align-items:center;gap:18px;margin-bottom:24px}.page-heading h1{font-size:24px;letter-spacing:-.5px;margin:0;font-weight:750}.page-heading:after{content:"";height:1px;background:var(--line);flex:1}.layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:24px}.stack{display:grid;gap:22px}.card{background:white;border:1px solid var(--line);border-radius:10px;padding:24px;margin-bottom:24px;box-shadow:var(--shadow);min-width:0}.stack>.card{margin-bottom:0}.card h2{font-size:19px;font-weight:750;color:var(--navy);letter-spacing:-.25px;margin:0 0 22px}.card h3{font-size:21px;letter-spacing:-.3px;color:var(--navy);margin:5px 0 10px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:20px}.field{display:flex;flex-direction:column;gap:8px;min-width:0}.field>span{font-size:14px;font-weight:650;color:#294a60}.field>span small{font-weight:400;white-space:nowrap;font-size:13px;color:var(--muted);margin-left:4px}.field input,.field select,td input,td select{width:100%;min-width:0;border:1px solid #acbdca;border-radius:7px;background:white;min-height:44px;padding:10px;font-size:16px}.field select{padding-right:24px}.field input:focus,.field select:focus,td input:focus{border-color:var(--blue);outline:2px solid #007bc026}.invalid{border-color:var(--red)!important}.hint{font-size:13px;font-weight:400;color:var(--muted);line-height:1.6;margin:14px 0 0}.field .hint{font-size:12px;margin:0}.primary,.secondary,.small-button{border:1px solid var(--blue);border-radius:7px;padding:12px 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#d5e5ef;border-radius:8px;padding:18px;min-width:0}.metric>span{font-size:13px;color:#42637b;display:block}.metric strong{font-size:34px;line-height:1.3;letter-spacing:-1px;font-weight:750;color:var(--navy);display:block;margin-top:8px;overflow-wrap:anywhere}.metric strong small{font-size:15px;letter-spacing:0;font-weight:500}.metric p{font-size:12px;color:var(--muted);margin:7px 0 0}.detail{display:flex;justify-content:space-between;gap:24px;font-size:14px;padding:11px 0;border-bottom:1px solid #edf1f4}.detail span{color:var(--muted)}.detail b{text-align:right;font-weight:650;color:var(--ink)}.detail:last-child{border:0}.house{width:100%;display:block;margin:0 0 24px}.house text{font:14px Inter,system-ui,sans-serif;fill:var(--muted)}.house .big{font-size:24px;font-weight:750;fill:var(--navy)}details{border-top:1px solid var(--line);padding-top:15px;margin-top:20px}summary{cursor:pointer;font-size:14px;font-weight:650;color:var(--navy);padding:4px 0}details[open]>summary{margin-bottom:20px}.chart{width:100%;margin:8px 0}.chart svg{width:100%;height:auto;display:block}.chart line{stroke:#e3ebf0;stroke-width:1}.chart text{font:12px Inter,system-ui,sans-serif;fill:#637b8e}.legend{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;font-size:12px;color:var(--muted);margin:6px 0 22px}.legend span{display:flex;align-items:center;gap:7px}.legend i{display:block;width:20px;height:4px;border-radius:2px}.recommend{border-left:4px solid var(--blue);padding:4px 0 8px 18px;margin-bottom:16px}.recommend>span{font-size:13px;color:var(--muted)}.recommend h3{font-size:30px}.recommend p{font-size:14px;margin:4px 0}.table-scroll{width:100%;overflow:auto;margin-top:16px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:14px 12px;border-bottom:1px solid #e2e9ef;text-align:left;vertical-align:middle}th{font-size:12px;color:var(--muted);font-weight:650;background:#f7fafc}td{white-space:nowrap}td:first-child{white-space:normal;min-width:145px}td small{display:block;color:var(--muted);font-size:12px;margin-top:4px}tr.selected td{background:#ecf7fd}td input{font-size:14px;min-width:72px;padding:8px}td:first-child input{min-width:170px}.status{display:block;font-size:12px;color:#8e5b22;max-width:150px;white-space:normal}.status.good{color:var(--green)}.next{margin-top:26px;display:flex;justify-content:flex-end}.supply{margin-bottom:24px}.supply>div:first-child{display:flex;justify-content:space-between;gap:15px;font-size:14px;margin-bottom:10px}.supply span{color:var(--muted)}.supply-bar{height:22px;border-radius:5px;overflow:hidden;display:flex;background:#edf2f5}.supply-bar i{height:100%;display:block}.supply small{display:block;color:var(--muted);font-size:12px;margin-top:8px}.cost-bar{display:grid;grid-template-columns:1fr auto;gap:6px 16px;padding:12px 0;font-size:14px}.cost-bar i{display:block;grid-column:1/-1;height:10px;background:var(--blue);border-radius:2px}.cost-bar:first-child i{background:#91afc3}.cost-bar:last-child i{background:#1b577e}.pressure-track{background:var(--soft);border-radius:7px;padding:16px;margin:20px 0;display:flex;flex-direction:column;gap:10px;font-size:14px}.pressure-track>div{background:#dfe9ef;height:18px;border-radius:4px;overflow:hidden}.pressure-track i{height:100%;background:var(--blue);display:block}.remove{border:0;background:#f1f5f8;color:#8b3845;width:34px;min-width:34px;height:34px;border-radius:6px;font-size:22px}.erp-item{display:grid;grid-template-columns:1fr auto;gap:14px;border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:14px}.erp-item>div:first-child{display:flex;flex-direction:column;font-size:15px}.erp-item small{font-size:12px;color:var(--muted)}.erp-item>.fields{grid-column:1/-1;grid-template-columns:.55fr 1fr 1fr;margin:0;gap:10px}.erp-item .field>span{font-size:12px}.erp-item input,.erp-item select{font-size:13px;padding:9px}.search-result{width:100%;background:white;border:0;border-bottom:1px solid var(--line);text-align:left;display:grid;grid-template-columns:1fr auto;gap:3px;padding:14px 8px}.search-result:hover{background:#f1f8fc}.search-result b{font-size:14px;font-weight:650}.search-result span{grid-column:1;font-size:12px;color:var(--muted)}.search-result em{grid-column:2;grid-row:1/3;font-size:24px;color:var(--blue);font-style:normal;align-self:center}.empty{padding:30px 0;font-size:15px;color:var(--muted)}.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin:16px 0;color:var(--muted)}.check input{margin-top:5px}.label-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.energy-label{border:1px solid #c7d5df;padding:16px;border-radius:5px;background:white;max-width:300px}.energy-label h3{font-size:17px}.energy-row{display:flex;justify-content:space-between;align-items:center;gap:4px;min-height:25px;margin:3px 0}.energy-row>span{display:block;clip-path:polygon(0 0,90% 0,100% 50%,90% 100%,0 100%);padding:1px 18px 1px 8px;color:white;font-size:15px;font-weight:750}.energy-row b{font-size:15px;background:#172b3a;color:white;padding:2px 8px}.energy-label>p{font-size:22px;font-weight:750;color:var(--navy);margin-bottom:0}.app-foot{padding:18px 28px;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}#print-report{display:none}.embedded .app-head{display:none}.embedded .project-row{padding:14px 22px}.embedded .content-wrap{padding:24px}.embedded .app-foot{display:none}.embedded .app-shell{max-width:none}#notice .note{margin:0 0 20px}@media(min-width:1100px){.result{position:sticky;top:18px}}@media(max-width:1000px){.metrics.four{grid-template-columns:1fr 1fr}.tabs button{font-size:13px;padding:12px 8px}.tabs button span{display:none}.layout{gap:18px}.card{padding:20px}.content-wrap,.embedded .content-wrap{padding:22px 16px}.field>span{font-size:13px}}@media(max-width:760px){.layout{grid-template-columns:1fr}.tabs{gap:4px;padding:6px 8px}.tabs button{flex:0 0 auto;font-size:14px;padding:12px 14px}.project-row,.embedded .project-row{display:block;padding:12px 16px}.project-row label{justify-content:space-between}.project-row input{width:calc(100% - 85px);max-width:none}.project-row>span{font-size:12px;display:block;margin-top:5px}.app-head{padding:18px 16px;gap:10px}.brand{font-size:20px}.toolbar button{font-size:12px;padding:8px}.toolbar button:last-child{display:none}.content-wrap,.embedded .content-wrap{padding:20px 12px}.page-heading h1{font-size:22px}.card{padding:20px 16px}.fields{gap:16px 12px}.metric strong{font-size:30px}.metric{padding:15px}.card h2{font-size:18px}.erp-item>.fields{grid-template-columns:1fr 1fr}.erp-item>.fields .field:last-child{grid-column:1/-1}}@media(max-width:420px){.fields{grid-template-columns:1fr}.metric strong{font-size:26px}.metric>span{font-size:12px}.metrics{gap:10px}.label-grid{grid-template-columns:1fr 1fr}.energy-label{padding:9px}.energy-row b{font-size:12px;padding:1px 4px}.energy-row span{font-size:12px}.energy-label h3{font-size:14px}}@media print{@page{size:A4;margin:14mm}body{font-size:11pt;color:black}.app-shell{display:none!important}#print-report{display:block}#print-report h1{font-size:24pt}#print-report h2{font-size:16pt;break-after:avoid;margin-top:22pt}#print-report .chart{max-width:170mm;break-inside:avoid}#print-report .legend{break-after:avoid}#print-report .detail{font-size:11pt}#print-report table{font-size:10pt}#print-report th,#print-report td{white-space:normal;padding:7pt}#print-report .hint{font-size:9pt}}

@media(min-width:421px){.field>span{min-height:42px;display:flex;align-items:flex-start;flex-wrap:wrap;gap:0 5px}.field>span small{margin:0}}

.project-actions{display:none}.embedded .project-actions{display:flex;gap:7px}.project-actions button{background:white;border:1px solid var(--line);border-radius:5px;font-size:13px;padding:7px 10px;min-height:36px}@media(max-width:760px){.embedded .project-actions{margin-top:10px}}

.equipment-summary{background:#f3f8fb;border:1px solid var(--line);border-radius:8px;padding:10px 16px}.toolbar button:last-child{display:inline-flex}

/* Show all steps; data tables may still scroll horizontally when needed. */
@media(max-width:1100px){.tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible;gap:4px}.tabs button{min-width:0;white-space:normal;min-height:48px;line-height:1.3}}
@media(max-width:600px){.tabs{grid-template-columns:repeat(2,minmax(0,1fr));padding:8px}.tabs button{font-size:13px;padding:10px 6px}.tabs button:last-child{grid-column:1/-1}}

/* On phones every model and its choice action is visible without a sideways pan. */
@media(max-width:600px){
 .model-comparison{overflow:visible}
 .model-comparison table,.model-comparison tbody{display:block;width:100%}
 .model-comparison thead{display:block;position:absolute;clip:rect(0,0,0,0);clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}
 .model-comparison tr{display:block;border:1px solid var(--line);border-radius:8px;margin:0 0 16px;background:white;overflow:hidden}
 .model-comparison tr.selected{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}
 .model-comparison td{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:12px;white-space:normal;min-width:0;padding:10px 14px;font-size:14px}
 .model-comparison td[data-label]:before{content:attr(data-label);color:var(--muted);font-size:12px}
 .model-comparison td:first-child{display:block;font-size:17px;padding:14px}
 .model-comparison td:first-child small{font-size:12px;margin-top:3px}
 .model-comparison .status{max-width:none}
 .model-comparison td:last-child{display:block;border-bottom:0;padding:10px 14px 14px}
 .model-comparison td:last-child button{width:100%;min-height:44px;margin:0}
}

.monthly-total{font-weight:700}.monthly-total td,.monthly-total th{border-top:2px solid var(--line)}