/* Barlow: a DIN-style technical face, the lettering tradition of German construction drawings. */
@font-face{font-family:Barlow;src:url(fonts/barlow-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Barlow;src:url(fonts/barlow-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Barlow;src:url(fonts/barlow-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Barlow Condensed";src:url(fonts/barlow-condensed-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Barlow Condensed";src:url(fonts/barlow-condensed-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}

:root{
  --board:#DDE1E3;      /* drawing board behind the model */
  --board-2:#EDF0F1;
  --paper:#FFFFFF;      /* the bill of quantities sheet */
  --ink:#1B2430;
  --soft:#5C6875;
  --rule:#C9CFD4;
  --red:#D1291B;        /* red pencil: selection and totals */
  --field:#F3F5F6;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --board:#12161A; --board-2:#232A31; --paper:#191E23; --ink:#E7EAEC; --soft:#98A3AD; --rule:#333C45;
    --red:#FF6B57; --field:#222930;
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--board);color:var(--ink);font-family:Barlow,"Segoe UI",system-ui,sans-serif;font-size:15.5px;line-height:1.45;-webkit-font-smoothing:antialiased}
button,select,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}

.sheet{height:100%;display:grid;grid-template-columns:minmax(0,1fr) minmax(700px,48%)}

/* ---------- stage ---------- */
.stage{position:relative;min-height:340px;background:radial-gradient(120% 90% at 40% 35%,var(--board-2),var(--board) 70%)}
.stage canvas{position:absolute;inset:0;display:block;width:100%;height:100%;touch-action:none}

.pick{background:none;border:0;padding:4px 0;margin:0;cursor:pointer;font-weight:500;color:var(--soft);border-bottom:2px solid transparent;line-height:1.2}
.pick:hover{color:var(--ink)}
.pick[aria-pressed="true"]{color:var(--ink);border-bottom-color:var(--red)}
.models,.viewtools{position:absolute;top:22px;display:flex;gap:26px;z-index:2}
.models{left:28px;font-family:"Barlow Condensed",Barlow,sans-serif;font-size:21px}
.models .pick{font-weight:500}
.models .pick[aria-pressed="true"]{font-weight:600}
.viewtools{left:28px;gap:20px;font-size:14px;top:62px}

.status{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;font-family:"Barlow Condensed",Barlow,sans-serif;font-size:26px;font-weight:500;pointer-events:none;background:color-mix(in srgb,var(--board) 78%,transparent);z-index:1}
.status[hidden]{display:none}
.status.err{color:var(--red);font-size:20px}
.stage.drag::after{content:"Drop the IFC file to load it";position:absolute;inset:14px;border:2px dashed var(--red);display:flex;align-items:center;justify-content:center;font-family:"Barlow Condensed",sans-serif;font-size:26px;background:color-mix(in srgb,var(--board) 85%,transparent);z-index:3}

/* Title block */
.plate{position:absolute;left:28px;bottom:26px;width:min(430px,calc(100% - 56px));background:var(--paper);border:1.5px solid var(--ink);z-index:2}
.plate-head{padding:12px 14px 11px;border-bottom:1.5px solid var(--ink)}
.plate h1{font-family:"Barlow Condensed",Barlow,sans-serif;font-weight:600;font-size:27px;line-height:1.05;margin:0 0 4px;letter-spacing:.005em}
.plate-head p{margin:0;font-size:13.5px;color:var(--soft);line-height:1.35}
.plate dl{margin:0;display:grid;grid-template-columns:repeat(3,1fr)}
.plate dl div{padding:7px 14px 8px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);min-width:0}
.plate dl div:nth-child(3n){border-right:0}
.plate dt{font-size:11.5px;color:var(--soft);line-height:1.2}
.plate dd{margin:1px 0 0;font-weight:600;font-size:14.5px;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.plate dl div.wide{grid-column:1 / -1;border-right:0}
.plate-foot{margin:0;padding:8px 14px 9px;font-size:12.5px;color:var(--soft)}

/* ---------- bill of quantities ---------- */
.bill{background:var(--paper);border-left:1.5px solid var(--ink);overflow-y:auto;overflow-x:hidden;min-width:0;padding:30px 32px 28px}
.bill h2{font-family:"Barlow Condensed",Barlow,sans-serif;font-weight:600;font-size:30px;line-height:1.05;margin:0 0 8px}
.bill header p{margin:0 0 22px;color:var(--soft);max-width:58ch;font-size:14.5px}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:15px;font-variant-numeric:tabular-nums}
th,td{padding:7px 6px;text-align:right;white-space:nowrap;vertical-align:baseline}
th:first-child,td:first-child{text-align:left;padding-left:0}
th:last-child,td:last-child{padding-right:0}
thead th{font-size:12px;font-weight:500;color:var(--soft);padding-top:0;padding-bottom:7px;border-bottom:1.5px solid var(--ink)}
tbody tr{border-bottom:1px solid var(--rule)}
tbody tr.zero{color:var(--soft)}
tbody tr.on{background:linear-gradient(90deg,color-mix(in srgb,var(--red) 9%,transparent),transparent 70%)}
tbody th{font-weight:400}
td.empty{text-align:left;color:var(--soft);padding:18px 0}
.cls{background:none;border:0;padding:0;cursor:pointer;font-weight:600;text-align:left;color:inherit}
.cls:hover{text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:2px;text-underline-offset:4px}
tr.on .cls{color:var(--red)}
.n{display:block;font-size:12px;color:var(--soft);font-weight:400;margin-top:1px}
td.amt{font-weight:600}
tr.zero td.amt{font-weight:400}

/* Inputs look like fields on a paper form: a filled strip with a rule underneath. */
td select,td input{background:var(--field);border:0;border-bottom:1.5px solid var(--soft);border-radius:0;padding:5px 8px 4px;height:30px}
td select:hover,td input:hover{border-bottom-color:var(--ink)}
td select:focus-visible,td input:focus-visible{outline:0;border-bottom-color:var(--red);background:color-mix(in srgb,var(--red) 7%,var(--field))}
td input{width:66px;text-align:right;-moz-appearance:textfield}
td input::-webkit-outer-spin-button,td input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
td select{appearance:none;-webkit-appearance:none;padding-right:24px;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--soft) 50%),linear-gradient(135deg,var(--soft) 50%,transparent 50%);
  background-position:calc(100% - 13px) 13px,calc(100% - 8px) 13px;background-size:5px 5px;background-repeat:no-repeat}

tfoot td{padding-top:16px;font-family:"Barlow Condensed",Barlow,sans-serif;font-size:21px;font-weight:500;border-top:1.5px solid var(--ink)}
tfoot td#total{font-size:30px;font-weight:600;line-height:1}
tfoot td#total::after{content:"";display:block;height:3px;background:var(--red);margin-top:6px}

.tools{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:22px}
.link{background:none;border:0;padding:0 0 2px;cursor:pointer;font-weight:500;border-bottom:1.5px solid var(--ink);font-size:14.5px}
.link:hover:not(:disabled){color:var(--red);border-bottom-color:var(--red)}
.link:disabled{color:var(--soft);border-bottom-color:transparent;cursor:default;opacity:.6}
.msg{font-size:13.5px;margin:12px 0 0;min-height:1.4em;color:var(--soft);max-width:60ch}

.inspect{margin-top:26px;padding-top:22px;border-top:1.5px solid var(--ink)}
.inspect h2{font-size:23px}
.quiet{margin:0;color:var(--soft);font-size:14.5px}
.inspect dl{margin:0;display:grid;grid-template-columns:minmax(150px,max-content) 1fr;font-size:14px}
.inspect dt,.inspect dd{padding:5px 0;border-bottom:1px solid var(--rule)}
.inspect dt{color:var(--soft);padding-right:18px}
.inspect dd{margin:0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;font-weight:500}
.inspect h3{font-size:13px;font-weight:600;margin:18px 0 2px;color:var(--soft)}
.credits{margin-top:30px;font-size:12.5px;color:var(--soft)}
.credits p{margin:0;max-width:66ch}

@media (max-width:1180px){
  html,body{height:auto}
  .sheet{height:auto;grid-template-columns:1fr}
  .stage{height:auto;display:flex;flex-direction:column}
  .stage canvas{position:relative;inset:auto;height:62vh;order:2}
  .models,.viewtools{position:relative;top:auto;left:auto;right:auto;padding:14px 20px 0;flex-wrap:wrap;gap:6px 22px}
  .models{order:0}.viewtools{order:1;padding-top:8px;padding-bottom:6px}
  .status{top:90px;height:62vh;inset:auto 0 auto 0}
  .plate{position:relative;left:auto;bottom:auto;width:auto;order:3;border-left:0;border-right:0;border-bottom:0}
  .bill{border-left:0;border-top:1.5px solid var(--ink);padding:26px 20px}
}