:root{--ink:#23332f;--muted:#71807a;--line:#e1e7e1;--paper:#fff;--background:#f4f6f1;--green:#244d3b;--lime:#d3e9a6;--orange:#b76835;--danger:#ac3838;--sidebar:238px}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--background);font-family:Arial,Helvetica,sans-serif;font-size:14px;line-height:1.5}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #a5bf63;outline-offset:3px}a{color:var(--green)}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#20372e;color:#f5f8ef;padding:34px 24px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none;font-size:12px;font-weight:700;letter-spacing:.9px}.brand svg{color:var(--lime);flex-shrink:0}.brand small{display:block;color:#b7c6b9;font-size:11px;font-weight:400;letter-spacing:0;margin-top:5px}.sidebar-label{font-size:10px;letter-spacing:1.8px;color:#9aad9f;margin:53px 0 18px}nav{display:grid;gap:9px}.nav-step{display:flex;gap:12px;align-items:center;padding:13px 12px;border:0;background:transparent;color:#c2cdc4;width:100%;text-align:left;border-radius:7px;font-weight:500}.nav-step.active{background:#344f40;color:#eff8e1}.nav-number{border:1px solid #587060;border-radius:50%;width:25px;height:25px;display:grid;place-items:center;font-size:12px;flex-shrink:0}.active .nav-number{background:var(--lime);color:#253e2d;border-color:var(--lime)}.nav-step.done .nav-number{color:var(--lime);border-color:#9db479}.sidebar-bottom{margin-top:auto;padding-top:28px;border-top:1px solid #466050;font-size:12px}.version{font-size:9px;letter-spacing:1.5px;color:#9caea0;display:block;margin-bottom:7px}.sidebar-bottom strong{font-size:13px;font-weight:500}.sidebar-bottom p{color:#9aad9f;line-height:1.8}.text-button{background:none;border:none;padding:0;color:var(--green);font-size:12px;text-align:left}.text-button.light{color:var(--lime)}.workspace{margin-left:var(--sidebar)}.topbar{height:76px;border-bottom:1px solid var(--line);background:#fbfcf8;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:0 38px}.project-label{display:flex;align-items:center;gap:10px;font-weight:500;font-size:13px;min-width:0}.project-label span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:250px}.status-dot{height:7px;width:7px;background:#91a85c;border-radius:50%;flex-shrink:0}.top-actions{display:flex;gap:7px;align-items:center;white-space:nowrap}#save-state{font-size:11px;color:var(--muted);margin-right:13px}.quiet{background:transparent;border:1px solid var(--line);border-radius:5px;padding:6px 10px;font-size:11px;color:#536459}.quiet:hover{background:#edf1e7}main{padding:39px 38px 0;max-width:1480px;margin:0 auto}.page-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.eyebrow{font-size:10px;letter-spacing:1.65px;color:var(--orange);font-weight:700}h1{font-size:30px;line-height:1.2;font-weight:500;letter-spacing:-1px;margin:10px 0 11px}.page-head p{font-size:13px;color:var(--muted);margin:0}.button{border-radius:6px;border:1px solid transparent;padding:11px 16px;font-size:12px;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:8px}.primary{color:white;background:var(--green)}.primary:hover{background:#306348}.outline{border-color:#ccd6ca;background:transparent;color:var(--green)}.outline:hover{background:#eaf0e3}.progress-track{height:3px;border-radius:2px;background:#e1e7db;margin:26px 0 28px}.progress-track span{display:block;height:100%;background:#86a05d;transition:width .2s}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:25px;align-items:start}.card{padding:25px 27px;background:white;border:1px solid var(--line);border-radius:9px;margin-bottom:20px}.card-head{display:flex;gap:12px;align-items:center;margin-bottom:21px}.section-icon{display:grid;place-items:center;width:31px;height:31px;border:1px solid #dce6d3;background:#f4f7ed;border-radius:7px;color:#617c4e;flex-shrink:0}.card-head h2,.result-panel h2{font-size:15px;line-height:1.3;font-weight:600;margin:0}.card-head p{font-size:11px;color:var(--muted);margin:4px 0 0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px 18px}.field{min-width:0}.field.full{grid-column:1/-1}.field label{display:block;font-size:12px;font-weight:600;margin-bottom:7px}.optional{font-weight:400;color:#859087;margin-left:4px;font-size:10px}.field input,.field select,.field textarea{width:100%;border:1px solid #dbe2d8;border-radius:5px;color:var(--ink);background:#fff;padding:10px 11px;font-size:13px;min-height:42px}.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:#809c66;box-shadow:0 0 0 3px #e4ecd9}.field input[readonly]{background:#f5f7f1;color:#6c7b70}.field textarea{resize:vertical;min-height:92px}.field small{display:block;font-size:10.5px;color:var(--muted);margin-top:6px;line-height:1.5}.field .unit-input{position:relative}.field .unit-input input{padding-right:50px}.unit{position:absolute;right:12px;top:12px;color:#859186;font-size:11px;pointer-events:none}.field.error input,.field.error select{border-color:#d4907d}.notice{padding:13px 15px;border-radius:5px;background:#f4f7ee;color:#627155;font-size:11px;line-height:1.65;margin:20px 0 0;border-left:3px solid #a9bf7d}.notice.warning{color:#8b5736;background:#fbf2e8;border-color:#d7ad7d}.notice a{font-weight:600}.field .option-card{border:1px solid #d8e2d1;border-radius:7px;padding:13px;background:#f8faf5}.option-toggle{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;cursor:pointer}.option-toggle input{accent-color:var(--green);width:17px;height:17px;margin:0}.option-toggle small{margin-left:auto;font-size:10px;color:#7c897b;font-weight:400}.option-fields{margin-top:18px}.result-panel{border:1px solid #d6e0cf;border-radius:9px;background:#eef3e7;position:sticky;top:26px;overflow:hidden}.result-head{padding:23px 22px 13px}.result-eyebrow{font-size:9px;font-weight:600;letter-spacing:1.4px;color:#81946e;margin-bottom:8px}.result-head p{font-size:11px;color:#7f8d73;margin:8px 0 0}.result-cards{padding:0 22px}.metric{padding:15px 0;border-bottom:1px solid #dce5d1}.metric-label{font-size:11px;color:#64775c;display:flex;justify-content:space-between}.metric-value{font-size:27px;line-height:1.15;font-weight:400;letter-spacing:-.6px;margin-top:6px;font-variant-numeric:tabular-nums}.metric-value small{font-size:11px;letter-spacing:0;color:#76866b;margin-left:5px}.metric-note{font-size:10px;color:#7b8c71;margin-top:6px}.metric-alert{color:var(--danger)}.utilisation{margin-top:8px;height:3px;background:#d3ddc5}.utilisation span{display:block;height:100%;background:#899f62}.utilisation.over span{background:#b75a4d}.result-bottom{padding:18px 22px 22px}.result-status{font-size:11px;margin-bottom:14px;display:flex;align-items:start;gap:8px}.result-status .status-dot{margin-top:5px}.result-status.warn{color:#8c663c}.result-status.warn .status-dot{background:#c58d4f}.result-bottom .button{width:100%}.result-caption{font-size:9.5px;color:#819075;margin:11px 0 0;text-align:center}.step-footer{margin:10px 0 0;padding:22px 0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px}.step-footer span{font-size:11px;color:var(--muted);text-align:center}.step-footer button[hidden]{display:none}.mini-summary{display:flex;gap:18px;flex-wrap:wrap;font-size:11px;padding:14px;background:#f6f8f1;border-radius:6px;margin-top:18px}.mini-summary b{font-weight:600;display:block;color:#465d3c;margin-top:3px}.form-section-description{color:var(--muted);font-size:12px;margin:0 0 20px}.scaffold-view{background:#f6f8f1;border:1px solid #e7ece0;border-radius:8px;padding:15px;margin-top:18px;display:flex;align-items:center;gap:22px}.scaffold-view svg{width:140px;height:128px;flex-shrink:0}.scaffold-view p{margin:0;font-size:11px;color:#6e7d65}.scaffold-view strong{display:block;font-weight:600;color:#46603a;font-size:12px;margin-bottom:6px}.issues{padding:0;margin:0;list-style:none}.issues li+li{border-top:1px solid var(--line)}.issues button{display:block;padding:11px 0;border:0;background:none;color:#865535;text-align:left;font-size:12px}.issues button:hover{text-decoration:underline}.ready-note{display:flex;gap:12px;align-items:center;background:#eef5e5;border:1px solid #d5e3c5;border-radius:7px;padding:17px;font-size:12px}.ready-note .section-icon{background:#ddeacb}.material-row{display:grid;grid-template-columns:minmax(0,1fr) 65px 65px 26px;gap:8px;align-items:center;margin-bottom:10px}.material-row input{min-width:0;width:100%;border:1px solid #dbe2d8;border-radius:5px;padding:9px;font-size:12px}.material-row .material-name{grid-column:auto}.material-row .weight{display:block;font-size:9px;color:#84907e}.material-header{font-size:10px;color:var(--muted);margin-bottom:8px}.icon-button{border:0;background:transparent;color:#7c8777;font-size:20px;padding:0 5px}.subheading{font-size:12px;font-weight:600;margin:22px 0 14px}.hidden{display:none!important}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:12px 20px;color:#fff;background:#20372e;border-radius:7px;box-shadow:0 7px 30px #0002;max-width:calc(100% - 32px);font-size:12px;z-index:30;opacity:0;pointer-events:none;transition:opacity .2s}#toast.visible{opacity:1}dialog{border:1px solid #c9d4c4;border-radius:10px;box-shadow:0 20px 90px #0003;max-width:640px;width:calc(100% - 30px);padding:0;color:var(--ink)}dialog::backdrop{background:#20372e80}.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:20px 25px;border-bottom:1px solid var(--line)}.dialog-head h2{font-size:19px;margin:0;font-weight:500}.dialog-content{padding:4px 25px 20px;font-size:12px;line-height:1.8}.dialog-content h3{font-size:13px;margin:21px 0 5px}.report{display:none}.document-preview{border:1px solid var(--line);background:#fff;border-radius:8px;padding:30px;margin-top:20px;font-family:Arial,sans-serif}.document-preview h2{font-size:23px;font-weight:500;line-height:1.2;margin:12px 0 6px}.document-preview h3{font-size:13px;border-bottom:1px solid #ccd7ca;padding-bottom:6px;margin:24px 0 9px}.doc-company{font-size:10px;letter-spacing:1.3px;font-weight:700;color:#668453}.doc-meta{font-size:11px;color:#76816e}.doc-details{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;margin:18px 0}.doc-details div{font-size:11px;overflow-wrap:anywhere}.doc-details b{display:block;font-weight:500;font-size:10px;color:#798576}.doc-table{width:100%;border-collapse:collapse;font-size:11px;table-layout:fixed}.doc-table td,.doc-table th{padding:7px 7px;border-bottom:1px solid #e4e9df;text-align:right;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.doc-table td:first-child,.doc-table th:first-child{text-align:left;width:53%}.doc-table th{background:#f2f6ec;color:#586c4b;font-size:10px;font-weight:600}.doc-table .total td{font-weight:700;background:#f8faf4}.doc-footnote{font-size:10px;color:#76816d;line-height:1.7;margin:9px 0;overflow-wrap:anywhere;white-space:pre-line}.doc-comment{white-space:pre-wrap;font-size:11px;overflow-wrap:anywhere}.doc-draft{background:#fbefde;color:#9a6634;padding:10px;border-left:3px solid #c89b59;font-size:11px;margin:16px 0}.doc-status{background:#edf3e5;padding:10px;font-size:11px;margin-top:14px}.doc-end{font-size:9px;color:#7a8374;padding-top:18px;border-top:1px solid #d6dfce;margin-top:22px}.report-toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between}.report-toolbar p{font-size:11px;color:var(--muted);margin:0}.report-toolbar .button{flex-shrink:0}@media(min-width:1600px){main{padding-top:55px}.content-grid{grid-template-columns:minmax(0,1fr) 320px}}@media(max-width:1200px){:root{--sidebar:210px}.sidebar{padding:28px 19px}.topbar{padding:0 24px}.top-actions #save-state{display:none}main{padding:30px 24px 0}.content-grid{grid-template-columns:minmax(0,1fr) 250px;gap:18px}.card{padding:22px}.fields{gap:17px 13px}h1{font-size:27px}}@media(max-width:980px){:root{--sidebar:190px}.sidebar{padding:26px 15px}.brand{font-size:10px;gap:8px}.brand svg{width:31px}.content-grid{grid-template-columns:1fr}.result-panel{position:static}.result-cards{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.result-bottom{display:flex;gap:15px;align-items:center}.result-bottom .button{width:auto;margin-left:auto}.result-caption{display:none}.result-status{margin:0}.page-head .button{font-size:11px;padding:9px}.topbar{gap:8px}.project-label span:last-child{max-width:150px}.top-actions{gap:4px}.quiet{padding:6px 8px}}@media(max-width:720px){body{font-size:13px}.sidebar{position:static;width:100%;padding:17px 20px 11px;display:block}.brand{font-size:11px}.brand small{display:none}.sidebar-label,.sidebar-bottom{display:none}nav{display:flex;gap:6px;margin-top:17px;justify-content:space-between}.nav-step{padding:8px 5px;width:auto;gap:6px;font-size:11px}.nav-number{width:21px;height:21px;font-size:10px}.workspace{margin:0}.topbar{height:auto;min-height:60px;flex-wrap:wrap;padding:12px 20px}.top-actions{gap:7px}.quiet{font-size:10px}.project-label{font-size:11px}main{padding:28px 20px 0}.page-head{align-items:flex-start;gap:12px}h1{font-size:26px}.page-head p{font-size:12px;max-width:260px}.page-head .button{padding:8px 10px;font-size:10px}.progress-track{margin:23px 0}.card{padding:21px 19px}.fields{gap:17px}.step-footer span{display:none}.document-preview{padding:20px 15px}.doc-table{font-size:10px}.doc-details{gap:10px}.scaffold-view{gap:10px}.scaffold-view svg{width:105px}.report-toolbar{align-items:flex-start}}@media(max-width:440px){.fields{grid-template-columns:1fr}.field.full{grid-column:auto}.page-head .button{max-width:100px;white-space:normal}.nav-step{font-size:10px;gap:4px}.result-cards{gap:0 14px}.metric-value{font-size:24px}.material-row{grid-template-columns:minmax(0,1fr) 54px 54px 20px;gap:5px}.material-row input{padding:8px 6px;font-size:11px}.report-toolbar{flex-direction:column}}
@page{size:A4;margin:16mm 15mm}@media print{body{background:white;color:#172a21}.no-print,dialog,#toast,noscript{display:none!important}.report{display:block;margin:0;padding:0;width:100%;font-size:10pt;line-height:1.4}.report h2{font-size:22pt;line-height:1.2;font-weight:500;margin:10pt 0 5pt}.report h3{font-size:11pt;border-bottom:1px solid #95a78a;margin:16pt 0 7pt;padding-bottom:4pt;break-after:avoid}.report .doc-company{font-size:9pt;color:#4b683b}.report .doc-meta{font-size:9pt}.report .doc-details{gap:7pt 18pt;margin:14pt 0}.report .doc-details div{font-size:9pt}.report .doc-details b{font-size:8pt}.report .doc-table{font-size:9pt;table-layout:fixed}.report .doc-table th{font-size:8pt}.report .doc-table td,.report .doc-table th{padding:5pt 6pt}.report .doc-table tr{break-inside:avoid}.report .doc-footnote{font-size:8pt;color:#53664a}.report .doc-comment{font-size:9pt}.report .doc-end{font-size:7pt}.report .doc-status{font-size:9pt}.report .doc-draft{font-size:9pt}.report table thead{display:table-header-group}.report a{color:inherit;text-decoration:none}.report .notes-block{break-inside:avoid}.report *{-webkit-print-color-adjust:exact;print-color-adjust:exact}}
[hidden]{display:none!important}main.input-mode{max-width:1000px}.content-grid.input-mode{grid-template-columns:minmax(0,1fr)}.entry-guidance{padding:14px 18px;margin:-4px 0 24px;border:1px solid #dce5d2;border-radius:7px;background:#eef3e7;color:#617354;font-size:12px}.entry-guidance strong{color:#36512d;font-weight:600}.manual-values{margin-top:20px;padding-top:15px;border-top:1px solid var(--line);font-size:12px}.manual-values summary{cursor:pointer;color:var(--green);font-weight:600}.manual-values p{font-size:11px;color:var(--muted);margin:12px 0 17px}.report-toolbar{margin-top:20px}

.calc-table td{white-space:pre-line;overflow-wrap:anywhere;text-align:left!important;vertical-align:top}.calc-table th{text-align:left!important}

.pdf-actions{display:flex;flex-wrap:wrap;gap:8px}.result-bottom .pdf-actions{display:grid}.appendix-title{font-size:18px;margin:32px 0 14px}

.material-quantity{display:block;min-width:0}.material-quantity>span{display:none}
.app-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 38px;border-bottom:1px solid var(--line);background:#edf3e5;color:#465d3c;font-size:12px}.app-tool-actions{display:flex;gap:8px;flex-wrap:wrap}.app-tools button{background:#fff}.app-tools button:disabled{opacity:.6;cursor:wait}
@media screen and (max-width:720px){.app-tools{padding:12px 20px;align-items:flex-start;flex-wrap:wrap}.app-tool-actions{width:100%}.app-tool-actions button{flex:1;white-space:normal}#toast{bottom:110px}.sidebar{padding-top:max(17px,env(safe-area-inset-top))}}
@media print{.app-tools{display:none!important}}
@media screen and (pointer:coarse){
 button,.button,.quiet{min-height:48px}
 .field input:not([type=checkbox]),.field select,.field textarea,.material-row input{font-size:16px;min-height:48px}
 .option-toggle{min-height:48px}
}
@media screen and (max-width:720px){
 main{padding-bottom:112px}
 .fields{grid-template-columns:minmax(0,1fr)}
 .button,.quiet{min-height:48px;font-size:14px}
 .field input:not([type=checkbox]),.field select,.field textarea,.material-row input{font-size:16px;min-height:48px}
 .field label{font-size:13px}
 #steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
 .nav-step{width:100%;min-height:48px;padding:8px;font-size:13px;white-space:normal}
 .nav-number{flex-shrink:0}
 .top-actions{display:flex;flex-wrap:wrap;width:100%}
 .top-actions .quiet{flex:1;padding:10px 8px;font-size:13px}
 .top-actions #save-state{display:block;flex-basis:100%;order:4;font-size:12px;white-space:normal}
 .project-label{font-size:13px;max-width:100%}
 .project-label span:last-child{max-width:100%}
 .page-head{display:block}
 .page-head .button{margin-top:12px;max-width:none;font-size:13px}
 .entry-guidance{font-size:13px;padding:12px}
 .option-toggle{min-height:48px;flex-wrap:wrap}
 .option-toggle small{font-size:12px}
 .manual-values summary{min-height:48px;padding:10px 0;font-size:13px}
 .material-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 48px;gap:8px;padding:14px 0;border-bottom:1px solid var(--line)}
 .material-row .material-name{grid-column:1/-1}
 .material-quantity>span{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
 .material-row .weight{font-size:12px;margin-top:5px}
 .material-row .icon-button{width:48px;min-height:48px;align-self:end}
 .material-header{display:none}
 .pdf-actions{display:grid;grid-template-columns:1fr;width:100%}
 .pdf-actions .button,.result-bottom .button{width:100%;margin-left:0;white-space:normal}
 .report-toolbar{display:block}
 .report-toolbar p{font-size:13px;margin-bottom:14px}
 .step-footer{position:fixed;left:0;right:0;bottom:0;z-index:10;display:flex;gap:10px;margin:0;padding:12px 16px max(12px,env(safe-area-inset-bottom));background:var(--background);border-top:1px solid var(--line)}
 .step-footer .button{flex:1;min-width:0;white-space:normal;font-size:14px}
 dialog{max-width:calc(100vw - 24px)}
 .document-preview{min-width:0;overflow-wrap:anywhere}
}