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.modal-overlay{position:fixed;inset:0;background:#040b18a8;z-index:100;padding:24px;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}.modal-panel{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:14px;max-width:1180px;width:100%;max-height:90vh;overflow-y:auto;padding:25px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px}.modal-header h2{font-size:1.25rem}.modal-close,.icon-button{color:var(--muted);background:transparent;border:1px solid var(--border);border-radius:7px;width:38px;height:38px;font-size:1.4rem;display:grid;place-items:center}.install-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.install-card{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border);padding:14px;border-radius:9px;color:var(--text);text-align:left}.install-card:hover{border-color:var(--accent);background:var(--accent-soft)}.install-card img{width:68px;height:68px;object-fit:contain;background:white;border-radius:6px;flex:none}.install-title{display:block;font-size:.875rem;font-weight:600;line-height:1.5}.install-desc{display:block;font-size:.75rem;color:var(--muted);font-weight:400;margin-top:4px}.modal-cancel{width:100%;margin-top:18px;padding:12px;background:var(--surface-soft);border:1px solid var(--border);border-radius:7px;color:var(--text)}.report-dialog{width:min(520px,calc(100% - 30px));padding:26px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:12px;box-shadow:0 25px 80px #0005}.report-dialog::backdrop{background:#071122aa;backdrop-filter:blur(4px)}.report-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.report-dialog h2{font-size:1.3rem;letter-spacing:-.03em}.report-dialog>p{font-size:.875rem;color:var(--muted);margin-top:14px}.report-meta-fields{display:flex;flex-direction:column;gap:16px;margin:23px 0}.report-meta-fields label{font-size:.875rem;color:var(--muted)}.report-meta-fields input{display:block;margin-top:7px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}.print-report-document{display:none}.report-preview-toolbar{display:flex;justify-content:space-between;gap:15px;background:var(--surface);border:1px solid var(--border);padding:12px;margin-bottom:20px;border-radius:8px}.report-preview .print-report-document{display:block}.report-preview main>*:not(.print-report-document){display:none!important}.report-sheet{background:white;color:#17243a;max-width:900px;margin:auto;padding:40px;box-shadow:0 6px 40px #0001}.report-header{display:flex;justify-content:space-between;align-items:start;border-bottom:3px solid #285ee8;padding-bottom:20px;margin-bottom:24px;gap:15px}.report-brand{font:800 1.4rem var(--heading);letter-spacing:-.06em}.report-header h1{font-size:1.4rem;margin-top:10px;letter-spacing:-.03em}.report-header time{font-size:.75rem;color:#647189}.report-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;padding:14px 0;margin-bottom:18px;border-bottom:1px solid #dce1e9;overflow-wrap:anywhere}.report-meta dt{font-size:.75rem;color:#647189}.report-meta dd{margin:3px 0;font-size:.875rem}.report-sheet h2{margin:23px 0 12px}.report-inputs{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;font-size:.75rem;margin-bottom:20px}.report-input-row{display:flex;justify-content:space-between;gap:15px;padding:7px 0;border-bottom:1px solid #e0e6ef;break-inside:avoid}.report-input-row strong{font-weight:500;text-align:right;max-width:65%}.report-sheet .resultcols{grid-template-columns:1fr 1fr;gap:0 15px}.report-sheet .box{break-inside:avoid}.report-sheet .assumption{font-size:.75rem}.report-sheet .box .row,.report-sheet .box h3{font-size:.75rem}.report-sheet .metric-grid{grid-template-columns:1fr 1fr}.report-sheet .result-hero{padding:15px}.report-sheet .result-value{font-size:2.1rem}.report-sheet .metric-value{font-size:1.1rem}.report-footer{margin-top:25px;padding-top:15px;border-top:1px solid #dce1e9;font-size:.75rem;color:#647189}.report-sheet{--surface:#fff;--surface-soft:#f8fafd;--text:#17243a;--muted:#647189;--border:#e0e6ef;--accent:#285ee8;--accent-soft:#edf2ff;--green:#137052;--green-bg:#eaf7f1;--red:#b83e48;--red-bg:#fdf0f1;color-scheme:light}.input-error{border-color:var(--red)!important}.field-error{color:var(--red);font-size:.75rem}
@media(min-width:1650px){.calculator-layout{grid-template-columns:minmax(520px,1fr) minmax(590px,1.15fr)}.resultcols{grid-template-columns:1fr 1fr;gap:0 12px}.rescol{display:flex;flex-direction:column}.result-panel{padding:25px}.panel-fields{gap:20px 24px}}
@media(max-width:1250px){.sidebar{width:186px;padding-left:12px;padding-right:12px}.brand{font-size:1.08rem;gap:7px}.app-shell{margin-left:186px}.topbar{padding-left:24px;padding-right:24px}main{padding:27px 24px}.calculator-layout{gap:18px}.panel-fields{padding:17px;gap:15px 12px}.panel-heading{padding:17px}.standard-badge{display:none}.result-panel{padding:17px}.tool-grid{gap:15px}.tool-card{padding:22px 18px}.tool-card h2{font-size:1.06rem}.tool-card-bottom{font-size:.8125rem}.home-reference{align-items:start;flex-direction:column}}
@media(max-width:1050px){.sidebar{width:172px}.app-shell{margin-left:172px}.brand{font-size:1rem}.brand-mark{width:33px;height:33px}.nav-link{font-size:.8125rem;gap:8px;padding:12px 9px}.nav-label{font-size:.6875rem;margin-left:8px}.calculator-layout{grid-template-columns:minmax(0,1fr)}.result-panel{position:static;max-height:none}.resultcols{grid-template-columns:1fr 1fr;gap:0 12px}.rescol{display:flex;flex-direction:column}.tool-grid{grid-template-columns:1fr}.tool-card{padding:24px}.tool-card-top{flex-direction:row;align-items:center;gap:16px;margin-bottom:20px}.tool-card>p{margin-bottom:20px}.tool-card h2{font-size:1.25rem}.home-heading{padding:15px 0 32px}.home-heading h1{font-size:2.7rem}.local-tag{display:none}.site-footer{padding:20px 24px;flex-wrap:wrap;gap:12px}.install-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.sidebar{position:static;width:100%;padding:17px 18px 0;display:block}.brand{font-size:1.3rem}.brand-mark{width:36px;height:36px}.sidebar nav{display:flex;gap:6px;overflow-x:auto;margin-top:18px;padding-bottom:12px}.nav-link{margin:0;white-space:nowrap;flex-shrink:0;font-size:.875rem;padding:10px}.nav-link .icon{width:17px;height:17px}.nav-label,.sidebar-bottom{display:none}.app-shell{margin-left:0}.topbar{min-height:62px;padding:12px 18px}.breadcrumb{font-size:.75rem;gap:9px}.breadcrumb>strong{max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.theme-toggle{padding:7px 9px}.theme-toggle>span{display:none}main{padding:25px 18px}.page-heading{margin-bottom:19px}.eyebrow{font-size:.75rem;letter-spacing:.08em}h1{font-size:1.75rem}.page-heading p{font-size:.875rem;line-height:1.7}.scope-note{margin-bottom:18px}.scope-note summary{font-size:.75rem;gap:8px;padding:12px}.scope-note p{padding-left:12px;font-size:.8125rem}.calculator-layout{gap:18px}.input-stack{gap:15px}.panel-heading{padding:17px 16px}.panel-fields{padding:18px 16px}.field input[type=number],.field input[type=text],.field select{font-size:1rem;min-height:46px}.result-panel{padding:16px}.resultcols{display:block}.rescol{display:contents}.home-heading h1{font-size:2.4rem}.home-heading br{display:none}.home-heading p{font-size:.9375rem}.tool-card{padding:23px}.home-reference>div{padding-left:0}.home-reference>div>.icon{position:static;margin-bottom:15px}.site-footer{padding:20px 18px;justify-content:flex-start;font-size:.75rem}.site-footer>span:last-child{width:100%}.modal-overlay{padding:12px}.modal-panel{padding:18px;max-height:92vh}.install-grid{grid-template-columns:1fr}.install-card img{width:60px;height:60px}.modal-header h2{font-size:1.1rem}.report-sheet{padding:20px}.report-sheet .resultcols{display:block}.report-inputs{grid-template-columns:1fr}.report-meta{grid-template-columns:1fr}.report-header{flex-direction:column}.dialog-actions{flex-direction:column}.report-dialog{padding:22px}.report-preview-toolbar{flex-wrap:wrap}.segment-card{margin:12px;padding:12px;gap:15px 10px}}
@media(max-width:390px){main{padding:22px 12px}.sidebar{padding-left:12px;padding-right:12px}.panel-fields,.segment-card{grid-template-columns:minmax(0,1fr)}.segment-header{flex-wrap:wrap}.segment-label{flex-basis:100%}.field,.section-title{grid-column:1/-1}.metric-grid{grid-template-columns:1fr 1fr}.metric{padding:11px}.panel-heading p{font-size:.75rem}.result-status{font-size:.75rem}.nav-link{font-size:.8125rem}.scope-note summary{font-size:.75rem}.report-inputs{display:block}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{@page{size:A4;margin:13mm 12mm}html,body{background:white!important;color:#17243a!important;font-size:11pt}body>*:not(.app-shell),.topbar,.site-footer,main>*:not(.print-report-document),.report-preview-toolbar{display:none!important}.app-shell{margin:0!important;min-height:0}main{margin:0;padding:0;max-width:none}.print-report-document{display:block!important}.report-sheet{padding:0;box-shadow:none;max-width:none}.report-sheet *{-webkit-print-color-adjust:exact;print-color-adjust:exact}.report-sheet h2,.report-sheet h3{break-after:avoid}.report-header{break-inside:avoid}.report-meta{grid-template-columns:repeat(3,1fr)}.report-inputs{display:grid;grid-template-columns:1fr 1fr}.report-sheet .resultcols{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.report-sheet .rescol{display:contents}.report-sheet .box{break-inside:avoid}.report-sheet .results-main{display:block}.report-sheet .table-scroll{overflow:visible}.report-sheet .sizetable{min-width:0}.report-sheet .sizetable th,.report-sheet .sizetable td{padding:6px;font-size:9pt}.report-sheet tr{break-inside:avoid}.report-sheet .result-value{font-size:28pt}.report-sheet .cite{font-size:8pt}.report-sheet .box .row{font-size:9pt}.report-sheet .assumption{font-size:8pt}.report-sheet .result-hero{break-inside:avoid}.report-sheet .metric-grid{break-inside:avoid}.report-header{flex-direction:row}a{color:inherit;text-decoration:none}dialog{display:none!important}}
.results-empty .primary{margin-top:24px}.calculate-bar{position:sticky;bottom:16px;z-index:5;box-shadow:0 8px 32px #07112218}.panel-heading p,.advanced-panel small{font-size:.8125rem}.panel-fields>.note{font-size:.8125rem}.nav-label{font-size:.75rem}.sidebar-bottom{font-size:.75rem}.field>.val{color:var(--text)!important}@media(max-width:720px){.calculate-bar{bottom:8px}}
@media(max-width:720px){.sidebar nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 8px;overflow:visible;margin-top:15px;padding-bottom:14px}.nav-link{min-width:0}.home-heading h1{letter-spacing:-.05em}}

/* Engineering calculation report */
.report-actions{gap:8px}.report-actions .ghost{min-width:0}
.report-meta-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:23px 0}.report-meta-fields label:first-child{grid-column:1/-1}.report-meta-fields label{min-width:0}
.report-preview-toolbar{align-items:center;position:sticky;top:8px;z-index:3;max-width:900px;margin:0 auto 20px}.report-preview-toolbar>span{color:var(--muted);font-size:.8125rem;font-weight:600;text-align:center}
.engineering-report{max-width:900px;padding:0;background:transparent;box-shadow:none}
.report-page{--report-blue:#1769e0;--report-navy:#12233f;--report-line:#dbe3ee;--report-muted:#5e6b7e;position:relative;display:flex;flex-direction:column;width:100%;min-height:1128px;padding:38px 42px 30px;margin:0 auto 22px;background:#fff;color:#17243a;box-shadow:0 7px 35px #0a19331a;overflow:hidden}
.engineering-masthead{display:grid;grid-template-columns:150px minmax(0,1fr) 132px;align-items:start;gap:20px;padding-bottom:18px;margin-bottom:18px;border-bottom:3px solid var(--report-blue)}
.engineering-brand{display:flex;align-items:center;gap:8px;font:700 1rem var(--heading);letter-spacing:-.04em;min-width:0}.engineering-brand>span:last-child{overflow-wrap:anywhere}.engineering-brand-mark{display:grid;place-items:center;flex:none;width:32px;height:32px;font-size:1rem}.engineering-brand strong{font-weight:500;color:#55708f}
.engineering-title{min-width:0;text-align:center}.engineering-title>div{font:700 .62rem var(--body);letter-spacing:.17em;color:var(--report-blue)}.engineering-title h1{margin:4px 0 3px;font-size:1.35rem;line-height:1.22;letter-spacing:-.035em;overflow-wrap:anywhere}.engineering-title p{font-size:.7rem;color:var(--report-muted);overflow-wrap:anywhere}
.engineering-title h1.long-title{font-size:1.05rem;line-height:1.3;letter-spacing:-.025em;text-wrap:balance}.report-field-help{display:block;margin-top:5px;color:var(--muted);font-size:.7rem;line-height:1.4}.report-field-error{display:block;margin-top:5px;color:var(--red);font-size:.75rem;line-height:1.4}.report-meta-fields input[aria-invalid=true]{border-color:var(--red)}
.engineering-masthead dl{min-width:0;margin:0;display:grid;gap:7px}.engineering-masthead dl>div{min-width:0}.engineering-masthead dt{text-transform:uppercase;font-size:.58rem;letter-spacing:.1em;color:var(--report-muted)}.engineering-masthead dd{margin:1px 0 0;font-size:.69rem;font-weight:650;overflow-wrap:anywhere}
.engineering-section{min-width:0;margin-bottom:14px;border:1px solid var(--report-line);break-inside:avoid}.engineering-section>h2{padding:7px 11px;background:var(--report-navy);color:#fff;font-size:.75rem;line-height:1.25;letter-spacing:.035em}.engineering-section-body{min-width:0}.engineering-section-body>h3{padding:7px 11px 4px;font:700 .68rem var(--body);color:var(--report-blue)}
.engineering-row{display:grid;grid-template-columns:minmax(125px,.85fr) minmax(110px,.7fr) minmax(0,1fr);gap:10px;align-items:start;min-width:0;padding:5px 10px;border-top:1px solid var(--report-line);font-size:.67rem;line-height:1.35}.engineering-row:first-child{border-top:0}.engineering-row>span{min-width:0;color:var(--report-muted);overflow-wrap:anywhere}.engineering-row>strong{min-width:0;font-weight:650;overflow-wrap:anywhere}.engineering-row>small{min-width:0;color:var(--report-muted);font-size:.61rem;line-height:1.35;overflow-wrap:anywhere}.engineering-two-column{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start;min-width:0}.engineering-two-column>.engineering-section{min-width:0}
.engineering-installation{display:flex;align-items:center;gap:13px;margin:0;padding:8px 10px;border-bottom:1px solid var(--report-line);break-inside:avoid}.engineering-installation img{width:74px;height:56px;object-fit:contain;border:1px solid var(--report-line);border-radius:4px;background:#fff}.engineering-installation figcaption{display:grid;gap:3px;font-size:.67rem}.engineering-installation figcaption span{color:var(--report-muted);font-size:.61rem}.engineering-arrangement img{width:96px;height:72px}
.engineering-check{display:flex;align-items:center;justify-content:space-between;gap:14px;min-width:0;padding:8px 10px;border-top:1px solid var(--report-line);font-size:.68rem;break-inside:avoid}.engineering-check:first-child{border-top:0}.engineering-check>span{display:grid;min-width:0;gap:2px}.engineering-check strong,.engineering-check small{overflow-wrap:anywhere}.engineering-check small{font-size:.61rem;color:var(--report-muted)}.engineering-check>b{flex:none;min-width:58px;padding:3px 8px;border-radius:999px;text-align:center;text-transform:uppercase;font-size:.58rem;letter-spacing:.06em}.engineering-check.pass>b{background:#e3f5ed;color:#087650}.engineering-check.fail>b{background:#fde8ea;color:#ab2633}.engineering-check.neutral>b{background:#edf1f6;color:#5e6b7e}
.engineering-table-wrap{max-width:100%;overflow-x:auto}.engineering-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:.61rem}.engineering-table th,.engineering-table td{padding:5px 4px;border-right:1px solid #fff;border-bottom:1px solid var(--report-line);text-align:center;overflow-wrap:anywhere}.engineering-table th{background:#e8f0fc;color:#263e61;font-weight:700}.engineering-table th:first-child{width:5%}.engineering-table th small{font-size:.55rem;color:var(--report-muted)}.engineering-table tr{break-inside:avoid}.engineering-table td.pass{background:#e3f5ed;color:#087650}.engineering-table td.fail{background:#fde8ea;color:#ab2633}.engineering-table tr.selected td{box-shadow:inset 0 2px var(--report-blue),inset 0 -2px var(--report-blue);font-weight:750}.engineering-table tr.selected td:first-child{background:var(--report-blue);color:#fff}.engineering-table-note,.engineering-prose{padding:8px 10px;font-size:.61rem;line-height:1.45;color:var(--report-muted)}
.engineering-disclaimer{margin-top:auto;padding:9px 11px;border:1px solid var(--report-line);background:#f7f9fc;color:var(--report-muted);font-size:.58rem;line-height:1.45}.engineering-page-footer{display:grid;gap:5px;margin-top:auto;padding-top:8px;border-top:1px solid var(--report-line);color:var(--report-muted);font-size:.55rem}.engineering-page-footer p{margin:0;font-style:italic;line-height:1.35}.engineering-page-footer div{display:flex;justify-content:space-between;gap:15px}.engineering-page-footer span{min-width:0;overflow-wrap:anywhere}

@media(max-width:720px){
  .report-meta-fields{grid-template-columns:1fr}.report-meta-fields label:first-child{grid-column:auto}
  .report-preview-toolbar{position:static;flex-wrap:wrap}.report-preview-toolbar>span{order:-1;flex:1 0 100%}.report-preview-toolbar button{flex:1}
  .report-sheet{padding:18px}.engineering-report{padding:0}.report-page{min-height:0;padding:20px 16px;margin-bottom:14px;overflow:hidden}.engineering-masthead{grid-template-columns:1fr;gap:10px}.engineering-title{text-align:left}.engineering-masthead dl{grid-template-columns:1fr 1fr}.engineering-two-column{grid-template-columns:1fr}.engineering-row{grid-template-columns:minmax(92px,.8fr) minmax(0,1.2fr)}.engineering-row>small{grid-column:1/-1}.engineering-table{min-width:500px}.engineering-page-footer{margin-top:16px}
  .report-actions{flex-direction:column}.report-actions .ghost{width:100%}
}
@media(max-width:390px){.report-preview-toolbar button{flex-basis:100%}.engineering-masthead dl{grid-template-columns:1fr}.engineering-title h1.long-title{font-size:.92rem}.engineering-row{grid-template-columns:1fr}.engineering-row>small{grid-column:auto}.engineering-check{align-items:flex-start}.engineering-check>b{min-width:54px}}

@media print{
  @page{size:A4 portrait;margin:0}
  .report-preview-toolbar{display:none!important}.engineering-report{width:210mm!important;max-width:none!important;margin:0!important}.report-page{width:210mm!important;min-height:297mm!important;margin:0!important;padding:10mm 11mm 8mm!important;box-shadow:none!important;overflow:visible!important;break-after:page;page-break-after:always}.report-page:last-child{break-after:auto;page-break-after:auto}.engineering-masthead{grid-template-columns:36mm minmax(0,1fr) 31mm;gap:4mm;margin-bottom:4mm;padding-bottom:4mm;break-inside:avoid}.engineering-section{margin-bottom:3mm}.engineering-section>h2{padding:1.6mm 2.5mm}.engineering-row{grid-template-columns:36mm 39mm minmax(0,1fr);gap:2mm;padding:1.25mm 2.5mm}.engineering-two-column{grid-template-columns:1fr 1fr;gap:3mm}.engineering-table-wrap{overflow:visible}.engineering-table{min-width:0}.engineering-check{padding:2mm 2.5mm}.engineering-disclaimer{margin-top:auto}.engineering-page-footer{padding-top:2mm}
}

/* Contact page: textarea + full-width form fields, success box (pairs with the existing .errorbox). */
.field textarea{width:100%;min-width:0;border:1px solid var(--border);border-radius:6px;background:var(--surface-soft);color:var(--text);padding:10px 11px;font-size:.875rem;font-family:inherit;resize:vertical;transition:border-color .15s}
.field-full{grid-column:1/-1}
.successbox{padding:18px;background:var(--green-bg);color:var(--green);border:1px solid color-mix(in srgb,var(--green) 25%,transparent);border-radius:7px;font-size:.875rem}
.field label .optional{color:var(--muted);font-weight:400}
.hp-field{position:absolute;left:-9999px;top:-9999px;height:0;width:0;overflow:hidden}

/* Cable calculator desktop workspace: hover-reveal navigation and a complete
   four-column input sheet with results below the calculation controls. */
@media(min-width:721px){
  body[data-page="cable-size-calculator"] .sidebar{
    width:216px;
    transform:translateX(calc(-100% + 14px));
    transition:transform .2s ease,box-shadow .2s ease;
    box-shadow:10px 0 28px transparent;
  }
  body[data-page="cable-size-calculator"] .sidebar:hover,
  body[data-page="cable-size-calculator"] .sidebar:focus-within{
    transform:translateX(0);
    box-shadow:10px 0 28px #0711222e;
  }
  body[data-page="cable-size-calculator"] .sidebar::after{
    content:'›';
    position:absolute;
    top:50%;
    right:0;
    display:grid;
    place-items:center;
    width:14px;
    height:54px;
    border-radius:7px 0 0 7px;
    background:#3970ff;
    color:#fff;
    font-size:1rem;
    transform:translateY(-50%);
  }
  body[data-page="cable-size-calculator"] .sidebar:hover::after,
  body[data-page="cable-size-calculator"] .sidebar:focus-within::after{content:'‹'}
  body[data-page="cable-size-calculator"] .app-shell{margin-left:14px}
}

body[data-page="cable-size-calculator"] .topbar{min-height:54px;padding:9px 24px}
body[data-page="cable-size-calculator"] main{max-width:none;padding:10px 18px}
body[data-page="cable-size-calculator"] .page-heading{margin-bottom:8px}
body[data-page="cable-size-calculator"] .page-heading h1{font-size:1.65rem}
body[data-page="cable-size-calculator"] .eyebrow{margin-bottom:3px;font-size:.68rem}
body[data-page="cable-size-calculator"] .page-heading p{margin-top:2px;font-size:.82rem}
body[data-page="cable-size-calculator"] .standard-badge{padding:4px 7px}
body[data-page="cable-size-calculator"] .scope-note{margin-bottom:10px}
body[data-page="cable-size-calculator"] .scope-note summary{padding:8px 12px}
body[data-page="cable-size-calculator"] .calculator-layout{display:flex;flex-direction:column;gap:16px}
body[data-page="cable-size-calculator"] .input-stack{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;align-items:start}
body[data-page="cable-size-calculator"] .calculate-bar{grid-column:1/-1;position:static;bottom:auto;padding:7px 9px;box-shadow:var(--shadow)}
body[data-page="cable-size-calculator"] .calculate-bar button{min-height:38px;padding:7px 12px}
body[data-page="cable-size-calculator"] .calculate-bar p{display:none}
body[data-page="cable-size-calculator"] .result-panel{position:static;top:auto;width:100%;max-height:none;overflow:visible;padding:18px}
body[data-page="cable-size-calculator"] .results-empty{padding:28px 15px 24px}
body[data-page="cable-size-calculator"] .result-panel-heading{margin-bottom:12px}
body[data-page="cable-size-calculator"] .result-hero{padding:16px 18px;margin-bottom:9px}
body[data-page="cable-size-calculator"] .result-value{font-size:2.55rem;margin:2px 0}
body[data-page="cable-size-calculator"] .metric-grid{margin:9px 0;gap:8px}
body[data-page="cable-size-calculator"] .metric{padding:10px 12px}
body[data-page="cable-size-calculator"] .metric-value{font-size:1.08rem}
body[data-page="cable-size-calculator"] .report-actions{gap:8px;margin:9px 0 12px}
body[data-page="cable-size-calculator"] .report-actions .ghost{flex:1;min-width:0}
body[data-page="cable-size-calculator"] .results-main{display:grid;grid-template-columns:minmax(0,1.72fr) minmax(360px,1fr);gap:10px;align-items:start}
body[data-page="cable-size-calculator"] .results-left{min-width:0}
body[data-page="cable-size-calculator"] .resultcols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-items:start}
body[data-page="cable-size-calculator"] .rescol{display:flex;flex-direction:column;min-width:0}
body[data-page="cable-size-calculator"] .box{padding:12px;margin-bottom:10px}
body[data-page="cable-size-calculator"] .box h3{font-size:.8rem;padding-bottom:8px;margin-bottom:7px}
body[data-page="cable-size-calculator"] .box .row{font-size:.75rem;gap:8px;padding:4px 0}
body[data-page="cable-size-calculator"] .cite{font-size:.62rem}
body[data-page="cable-size-calculator"] .results-right{min-width:0}
body[data-page="cable-size-calculator"] .sizetable{min-width:360px;font-size:.68rem}
body[data-page="cable-size-calculator"] .sizetable th{font-size:.66rem;padding:9px 5px}
body[data-page="cable-size-calculator"] .sizetable td{padding:8px 5px}
body[data-page="cable-size-calculator"] .stepsrow{margin:10px 0}
body[data-page="cable-size-calculator"] .assumption{margin-top:10px}
body[data-page="cable-size-calculator"] .panel-heading,
body[data-page="cable-size-calculator"] .advanced-panel>summary{padding:9px 11px}
body[data-page="cable-size-calculator"] .section-number{min-width:26px;height:26px}
body[data-page="cable-size-calculator"] .panel-heading p,
body[data-page="cable-size-calculator"] .advanced-panel small{display:none}
body[data-page="cable-size-calculator"] .panel-fields{padding:9px 11px 10px;gap:6px 8px}
body[data-page="cable-size-calculator"] .field{gap:3px;font-size:.75rem}
body[data-page="cable-size-calculator"] .field select,
body[data-page="cable-size-calculator"] .field input[type=number],
body[data-page="cable-size-calculator"] .field input[type=text]{min-height:32px;padding:4px 7px;font-size:.75rem}
body[data-page="cable-size-calculator"] .field:has(input[type=checkbox]){min-height:32px;padding:4px 7px}
body[data-page="cable-size-calculator"] .field input[type=checkbox]{width:16px;height:16px}
body[data-page="cable-size-calculator"] .field .ctrl>span{font-size:.75rem}
body[data-page="cable-size-calculator"] .section-title{padding:0 0 4px;margin:0;font-size:.68rem}
body[data-page="cable-size-calculator"] .panel-fields>.note{font-size:.62rem;line-height:1.32}
body[data-page="cable-size-calculator"] .nested-advanced{margin-top:1px;padding-top:6px}
body[data-page="cable-size-calculator"] .nested-advanced>summary{font-size:.75rem}
body[data-page="cable-size-calculator"] .nested-advanced>.panel-fields{padding-top:6px}
body[data-page="cable-size-calculator"] .install-thumb-btn{min-height:58px;padding:5px 8px;font-size:.75rem}
body[data-page="cable-size-calculator"] .install-thumb-btn img{width:44px;height:44px}
body[data-page="cable-size-calculator"] .arrangement-preview{grid-column:1/-1;margin:0;flex-direction:column;align-items:center;gap:4px;padding:8px;background:#fff;border:1px solid var(--border);border-radius:8px}
body[data-page="cable-size-calculator"] .arrangement-preview img{display:block;max-width:100%;max-height:170px;width:auto;height:auto}
body[data-page="cable-size-calculator"] .arrangement-preview figcaption{color:#17243a;font-size:.72rem;line-height:1.3;text-align:center}

/* The four input sections form one sheet: equal-height columns split by
   hairlines, with each field a label-left / control-right row. Phones keep
   the separate stacked cards (the wrapper then adds no box of its own). */
body[data-page="cable-size-calculator"] .input-columns{display:contents}
@media(min-width:721px){
  body[data-page="cable-size-calculator"] .input-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;align-items:stretch;background:var(--border);border:1px solid var(--border);border-radius:11px;box-shadow:var(--shadow);overflow:hidden}
  body[data-page="cable-size-calculator"] .input-columns>.input-panel{border:0;border-radius:0;box-shadow:none;background:var(--surface);overflow:visible}
  body[data-page="cable-size-calculator"] .input-columns .panel-heading,
  body[data-page="cable-size-calculator"] .input-columns .advanced-panel>summary{min-height:46px}
  body[data-page="cable-size-calculator"] .input-columns .panel-fields{grid-template-columns:minmax(0,1fr);gap:7px;padding:10px 12px 14px}
  body[data-page="cable-size-calculator"] .input-columns .nested-advanced>.panel-fields{padding:6px 0 0}
  body[data-page="cable-size-calculator"] .input-columns .section-title{color:var(--text);font-size:.8125rem;font-weight:700;border-bottom:0;padding:6px 0 0}
  body[data-page="cable-size-calculator"] .input-columns .field{flex-direction:row;align-items:center;justify-content:space-between;gap:8px;min-height:32px;grid-column:auto}
  body[data-page="cable-size-calculator"] .input-columns .field>label{flex:1 1 0;min-width:0;line-height:1.25}
  body[data-page="cable-size-calculator"] .input-columns .field>select,
  body[data-page="cable-size-calculator"] .input-columns .field>input[type=number],
  body[data-page="cable-size-calculator"] .input-columns .field>input[type=text]{flex:0 0 50%;width:50%!important}
  body[data-page="cable-size-calculator"] .input-columns .field>.ctrl{flex:0 0 50%;width:50%}
  body[data-page="cable-size-calculator"] .input-columns .field .ctrl>select{flex:0 0 62px}
  body[data-page="cable-size-calculator"] .input-columns .field>.val{flex:0 0 50%;text-align:right}
  body[data-page="cable-size-calculator"] .input-columns .field:has(input[type=checkbox]){border:0;border-radius:0;padding:0;min-height:32px;align-self:auto}
  body[data-page="cable-size-calculator"] .input-columns .field:has(>#maxvd)>span{top:50%;bottom:auto;transform:translateY(-50%)}
  body[data-page="cable-size-calculator"] .input-columns .field:has(>:is(#standard,#insulation,#cabletype,#installmethod,#earthinsulation,#conduittype)){flex-direction:column;align-items:stretch;gap:3px}
  body[data-page="cable-size-calculator"] .input-columns .field:has(>:is(#standard,#insulation,#cabletype,#installmethod,#earthinsulation,#conduittype))>select{flex:none;width:100%!important}
  body[data-page="cable-size-calculator"] .input-columns .field:has(>#cabletype)>label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
}
@media(min-width:1100px){
  body[data-page="cable-size-calculator"] .input-columns{grid-template-columns:repeat(4,minmax(0,1fr))}
}

@media(max-width:1080px){
  body[data-page="cable-size-calculator"] .results-main{grid-template-columns:1fr}
  body[data-page="cable-size-calculator"] .results-right{margin-top:2px}
}
@media(max-width:820px){
  body[data-page="cable-size-calculator"] .resultcols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:720px){
  body[data-page="cable-size-calculator"]{overflow-x:hidden}
  body[data-page="cable-size-calculator"] main{padding:20px 14px}
  body[data-page="cable-size-calculator"] .calculator-layout,
  body[data-page="cable-size-calculator"] .input-stack,
  body[data-page="cable-size-calculator"] .input-panel,
  body[data-page="cable-size-calculator"] .result-panel{width:100%;max-width:100%;min-width:0}
  body[data-page="cable-size-calculator"] .panel-fields{grid-template-columns:minmax(0,1fr)}
  body[data-page="cable-size-calculator"] .field{grid-column:1/-1;min-width:0}
  body[data-page="cable-size-calculator"] .field .ctrl>*{min-width:0}
  body[data-page="cable-size-calculator"] .panel-heading p,
  body[data-page="cable-size-calculator"] .advanced-panel small{display:block}
  body[data-page="cable-size-calculator"] .result-panel{padding:14px}
  body[data-page="cable-size-calculator"] .metric-grid{grid-template-columns:1fr}
  body[data-page="cable-size-calculator"] .report-actions{flex-direction:column}
  body[data-page="cable-size-calculator"] .resultcols{grid-template-columns:1fr}
  body[data-page="cable-size-calculator"] .rescol{display:contents}
  body[data-page="cable-size-calculator"] .sizetable{min-width:340px}
}

/* Voltage drop and voltage rise use the same full-width calculator workspace:
   compact inputs first, calculate across the row, then results underneath. */
@media(min-width:721px){
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .sidebar{
    width:216px;
    transform:translateX(calc(-100% + 14px));
    transition:transform .2s ease,box-shadow .2s ease;
    box-shadow:10px 0 28px transparent;
  }
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .sidebar:hover,
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .sidebar:focus-within{
    transform:translateX(0);
    box-shadow:10px 0 28px #0711222e;
  }
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .sidebar::after{
    content:'›';position:absolute;top:50%;right:0;display:grid;place-items:center;width:14px;height:54px;
    border-radius:7px 0 0 7px;background:#3970ff;color:#fff;font-size:1rem;transform:translateY(-50%);
  }
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .sidebar:hover::after,
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .sidebar:focus-within::after{content:'‹'}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .app-shell{margin-left:14px}
}

body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .topbar{min-height:54px;padding:9px 24px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) main{max-width:none;padding:10px 18px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .page-heading{margin-bottom:8px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .page-heading h1{font-size:1.65rem}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .eyebrow{margin-bottom:3px;font-size:.68rem}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .page-heading p{margin-top:2px;font-size:.82rem}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .standard-badge{padding:4px 7px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .scope-note{margin-bottom:10px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .scope-note summary{padding:8px 12px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .calculator-layout{display:flex;flex-direction:column;gap:16px}
body[data-page="voltage-drop"] .input-stack{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-items:start}
body[data-page="voltage-rise"] .input-stack{display:grid;grid-template-columns:minmax(240px,.72fr) minmax(230px,.62fr) minmax(0,2.25fr);gap:10px;align-items:start}
body[data-page="voltage-rise"] .segment-section{grid-column:3}
body[data-page="voltage-rise"] .input-panel .field:has(#rating){grid-column:1/-1}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .calculate-bar{grid-column:1/-1;position:static;bottom:auto;padding:7px 9px;box-shadow:var(--shadow)}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .calculate-bar button{min-height:38px;padding:7px 12px;flex:1}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .calculate-bar p{display:none}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .result-panel{position:static;top:auto;width:100%;max-height:none;overflow:visible;padding:18px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .results-empty{padding:28px 15px 24px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .result-panel-heading{margin-bottom:12px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .result-hero{padding:16px 18px;margin-bottom:9px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .result-value{font-size:2.55rem;margin:2px 0}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .metric-grid{margin:9px 0;gap:8px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .metric{padding:10px 12px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .metric-value{font-size:1.08rem}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .report-actions{gap:8px;margin:9px 0 12px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .report-actions .ghost{flex:1;min-width:0}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .panel-heading{padding:9px 11px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .section-number{min-width:26px;height:26px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .panel-heading p{display:none}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .panel-fields{padding:9px 11px 10px;gap:6px 8px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .field{gap:3px;font-size:.75rem}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .field select,
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .field input[type=number],
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .field input[type=text]{min-height:32px;padding:4px 7px;font-size:.75rem}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .field:has(input[type=checkbox]){min-height:32px;padding:4px 7px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .field input[type=checkbox]{width:16px;height:16px}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .section-title{padding:0 0 4px;margin:0;font-size:.68rem}
body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .panel-fields>.note{font-size:.62rem;line-height:1.32}
body[data-page="voltage-drop"] #results>.box{max-width:none!important;margin-bottom:10px}
body[data-page="voltage-rise"] #segments{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:8px}
body[data-page="voltage-rise"] .segment-card{margin:0;padding:8px;gap:6px 8px;background:var(--surface-soft)}
body[data-page="voltage-rise"] .segment-header{padding-bottom:6px}
body[data-page="voltage-rise"] .segment-label{min-height:32px;padding:5px 7px;font-size:.75rem}
body[data-page="voltage-rise"] .segment-remove{min-height:32px;padding:4px 8px;font-size:.68rem!important}
body[data-page="voltage-rise"] .segment-card .nested-advanced{grid-column:1/-1;margin-top:0;padding-top:5px}
body[data-page="voltage-rise"] .segment-card .nested-advanced>summary{font-size:.72rem}
body[data-page="voltage-rise"] .segment-card .nested-advanced>.panel-fields{padding-top:6px;gap:6px}
body[data-page="voltage-rise"] .add-segment{min-height:34px;margin:8px;width:calc(100% - 16px);padding:6px 10px}
body[data-page="voltage-rise"] .rise-result-grid{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(260px,.7fr);gap:10px;align-items:start}
body[data-page="voltage-rise"] .rise-result-grid>.box{margin-bottom:0}

@media(max-width:1250px){
  body[data-page="voltage-rise"] .input-stack{grid-template-columns:repeat(2,minmax(0,1fr))}
  body[data-page="voltage-rise"] .segment-section{grid-column:1/-1}
}
@media(max-width:950px){
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .input-stack{grid-template-columns:1fr}
  body[data-page="voltage-rise"] .segment-section{grid-column:auto}
  body[data-page="voltage-rise"] #segments{grid-template-columns:repeat(2,minmax(0,1fr))}
  body[data-page="voltage-rise"] .rise-result-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]){overflow-x:hidden}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) main{padding:20px 14px}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .calculator-layout,
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .input-stack,
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .input-panel,
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .segment-section,
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .result-panel{width:100%;max-width:100%;min-width:0}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .panel-fields{grid-template-columns:minmax(0,1fr)}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .field{grid-column:1/-1;min-width:0}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .field .ctrl>*{min-width:0}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .panel-heading p{display:block}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .result-panel{padding:14px}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .metric-grid{grid-template-columns:1fr}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .report-actions{flex-direction:column}
  body[data-page="voltage-rise"] #segments{grid-template-columns:1fr;padding:8px}
  body:is([data-page="voltage-drop"],[data-page="voltage-rise"]) .sizetable{min-width:560px}
}

.engineering-brand-mark img{display:block;width:100%;height:100%}

/* CableMetric enterprise depth: raised surfaces and controlled lighting without changing the page grid. */
:root{
  --surface-lift:0 2px 4px #0d1d3510,0 12px 28px #0d1d3510,0 28px 64px #0d1d3508;
  --surface-lift-hover:0 4px 9px #0d1d3514,0 18px 42px #0d1d3517,0 36px 82px #0d1d350d;
  --edge-light:#ffffffd9;
}
:root[data-theme=dark]{
  --surface-lift:0 2px 5px #0004,0 14px 34px #0003,0 30px 72px #0002;
  --surface-lift-hover:0 5px 12px #0005,0 21px 48px #0004,0 40px 90px #0003;
  --edge-light:#ffffff12;
}
body{background-image:radial-gradient(ellipse at 88% 0%,color-mix(in srgb,var(--accent) 5%,transparent),transparent 38%),linear-gradient(145deg,var(--bg),color-mix(in srgb,var(--bg) 88%,var(--surface)) 54%,var(--bg))}
.sidebar{background:linear-gradient(155deg,#142542 0%,#101c31 48%,#0b1629 100%);box-shadow:inset -1px 0 #ffffff14,10px 0 32px #09152a16}
.brand-mark{filter:drop-shadow(0 3px 7px #2458d93d)}
.brand-mark img{display:block;width:100%;height:100%}
.nav-link{transition:background .18s,color .18s,box-shadow .18s}
.nav-link:hover{background:linear-gradient(100deg,#ffffff12,#ffffff05);box-shadow:inset 0 1px #ffffff12,inset 0 -1px #0002}
.nav-link.active{background:linear-gradient(105deg,#2c4776,#233a61);box-shadow:inset 3px 0 #76a0ff,inset 0 1px #ffffff15,inset 0 -1px #0a1425,0 5px 14px #07142630}
.topbar{background:linear-gradient(180deg,var(--surface),color-mix(in srgb,var(--surface) 94%,var(--accent)));box-shadow:0 3px 14px #0c1b3310,inset 0 1px var(--edge-light);position:relative;z-index:2}
.theme-toggle,.standard-badge{box-shadow:inset 0 1px var(--edge-light),0 2px 5px #10294b0a}
.scope-note,.input-panel,.segment-section,.result-panel{background:linear-gradient(155deg,var(--surface),color-mix(in srgb,var(--surface) 96%,var(--accent)));border-color:color-mix(in srgb,var(--border) 85%,var(--accent));box-shadow:var(--surface-lift),inset 0 1px var(--edge-light)}
.panel-heading{background:linear-gradient(110deg,color-mix(in srgb,var(--surface) 92%,var(--accent-soft)),var(--surface) 76%);box-shadow:inset 0 1px var(--edge-light)}
.section-number,.tool-icon{box-shadow:inset 0 1px #ffffffb5,inset 0 -1px #1b4bc315,0 3px 8px #1839690b}
.field select,.field input[type=number],.field input[type=text],.report-meta-fields input,.segment-label{background:linear-gradient(180deg,var(--surface),var(--surface-soft));box-shadow:inset 0 1px 2px #10294b0b,inset 0 -1px #ffffffa8;transition:border-color .16s,box-shadow .16s,background .16s}
.field select:focus,.field input[type=number]:focus,.field input[type=text]:focus,.report-meta-fields input:focus,.segment-label:focus{box-shadow:inset 0 1px 2px #10294b0a,0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.calculate-bar{background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--surface) 94%,var(--accent-soft)));box-shadow:0 10px 30px #071a3518,inset 0 1px var(--edge-light);backdrop-filter:blur(10px)}
.primary{background:linear-gradient(180deg,#3972f4 0%,#285ee8 54%,#1e50d5 100%);border-color:#2456df;box-shadow:inset 0 1px #ffffff65,inset 0 -2px 3px #123ab84d,0 5px 12px #1b4fc539;transition:background .18s,box-shadow .18s,transform .18s}
.primary:hover{background:linear-gradient(180deg,#4b80fa 0%,#3168ed 54%,#2458df 100%);box-shadow:inset 0 1px #ffffff78,inset 0 -2px 3px #123ab84d,0 8px 18px #1b4fc54d;transform:translateY(-1px)}
.ghost,.stepbtn{box-shadow:inset 0 1px var(--edge-light),0 2px 5px #10294b0b;transition:background .18s,border-color .18s,box-shadow .18s}
.ghost:hover,.stepbtn:hover{border-color:color-mix(in srgb,var(--accent) 35%,var(--border));box-shadow:inset 0 1px var(--edge-light),0 4px 10px #10294b12}
.result-hero{background:linear-gradient(125deg,color-mix(in srgb,var(--accent-soft) 88%,var(--surface)),var(--accent-soft) 58%,color-mix(in srgb,var(--accent-soft) 76%,#fff));box-shadow:inset 0 1px #ffffffa8,inset 0 -1px color-mix(in srgb,var(--accent) 10%,transparent),0 5px 14px #1738660b}
.metric,.box,.results-right,.results-empty{box-shadow:inset 0 1px var(--edge-light),0 3px 9px #10294b09}
.metric-meter{box-shadow:inset 0 1px 2px #0d1d351a}
.sizetable th{box-shadow:inset 0 1px var(--edge-light)}
.tool-card{box-shadow:var(--surface-lift),inset 0 1px var(--edge-light);transition:transform .2s,border-color .2s,box-shadow .2s,background .2s}
.tool-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 52%,var(--border));box-shadow:var(--surface-lift-hover),inset 0 1px var(--edge-light)}
.tool-card-primary{background:linear-gradient(145deg,#1e3558,#172947 72%,#11213b);box-shadow:0 12px 30px #0b18332e,inset 0 1px #ffffff24,inset 0 -1px #030a14}
.tool-card-primary:hover{background:linear-gradient(145deg,#244064,#192f50 72%,#132541)}
.install-card,.report-dialog{box-shadow:var(--surface-lift),inset 0 1px var(--edge-light)}
.report-sheet{box-shadow:0 12px 42px #071a3520}


@media print{body{background:#fff!important}.report-sheet{box-shadow:none}.engineering-brand-mark{box-shadow:none}}

/* Keep the desktop navigation tucked at the left edge on every route except the
   home page, which keeps it open. The header carries the logo while it is tucked away. */
.top-brand{display:none;align-items:center;gap:8px;flex:none;text-decoration:none;color:var(--text);font-family:var(--heading);font-size:1.05rem;font-weight:800;letter-spacing:-.05em;white-space:nowrap}
.top-brand img{display:block;width:30px;height:30px}
.top-brand span span{font-weight:500;color:var(--muted)}
.top-brand+.breadcrumb{margin-right:auto}
@media(min-width:721px){
  body:not([data-page="home"]) .top-brand{display:flex;padding-right:16px;border-right:1px solid var(--border)}
  body:not([data-page="home"]) .sidebar{
    transform:translateX(calc(-100% + 14px));
    transition:transform .2s ease,box-shadow .2s ease;
    box-shadow:10px 0 28px transparent;
  }
  body:not([data-page="home"]) .sidebar:hover,body:not([data-page="home"]) .sidebar:focus-within{
    transform:translateX(0);
    box-shadow:10px 0 28px #0711222e;
  }
  body:not([data-page="home"]) .sidebar::after{
    content:'›';position:absolute;top:50%;right:0;display:grid;place-items:center;width:14px;height:54px;
    border-radius:7px 0 0 7px;background:#3970ff;color:#fff;font-size:1rem;transform:translateY(-50%);
  }
  body:not([data-page="home"]) .sidebar:hover::after,body:not([data-page="home"]) .sidebar:focus-within::after{content:'‹'}
  body:not([data-page="home"]) .app-shell{margin-left:14px}
}

/* Adding to the cable schedule stays on the calculator; the note confirms it and the link opens the schedule. */
.schedule-note{margin:-4px 0 12px;font-size:.8125rem;color:var(--muted)}
.schedule-note:empty{display:none}

/* Optional report logo (picker in the report dialogs, logo in the report header) and the schedule report table. */
.report-logo-field{display:grid;gap:8px;margin:-8px 0 20px}
.report-logo-label{font-size:.8125rem;color:var(--muted);font-weight:500}
.report-logo-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.report-logo-preview{display:grid;place-items:center;flex:none;width:150px;height:56px;border:1px dashed var(--border);border-radius:8px;background:#fff;color:#55708f;font-size:.75rem;font-weight:600;overflow:hidden}
.report-logo-preview img{display:block;max-width:100%;max-height:100%;object-fit:contain}
.report-logo-actions{display:flex;gap:8px;flex-wrap:wrap}
.report-logo-field [hidden]{display:none!important}
.engineering-brand-logo img{display:block;max-width:100%;max-height:44px;object-fit:contain}
.report-logo{display:block;max-width:160px;max-height:48px;object-fit:contain;margin-bottom:6px}
.schedule-section{break-inside:auto}
.schedule-report-table th,.schedule-report-table td{padding:4px 3px;font-size:.58rem;line-height:1.3}
.schedule-report-table th:first-child{width:auto}
.schedule-report-table th,.schedule-report-table td.text-cell{text-align:left}
.schedule-report-table thead{display:table-header-group}
.schedule-report .engineering-table th,.schedule-report .engineering-table td{padding-top:3px;padding-bottom:3px}
.schedule-report .engineering-check{padding-top:1.5mm;padding-bottom:1.5mm}