:root{
  --paper:#F3F5F4; --panel:#FFFFFF; --ink:#1C2126; --ink-2:#4A535B; --rule:#CBD1CE; --rule-2:#E3E7E5;
  --live:#8A4B21; --neutral:#1F5FA8; --earth:#C9A227; --earth-g:#3E8E3A; --bad:#B42318;
  --r-sm:3px; --r:6px;
  font-family:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif; font-variation-settings:"wdth" 100;
  color:var(--ink); background:var(--paper); font-size:15px; line-height:1.45;
}
*{box-sizing:border-box} html,body{height:100%;margin:0}
[hidden]{display:none!important}
body{display:flex;flex-direction:column}
button,input,.btn{font:inherit;color:inherit}
h1,h2,h3{margin:0;font-stretch:112%;letter-spacing:-.01em}
.hint{color:var(--ink-2);font-size:13px;margin:.4rem 0 0}
:focus-visible{outline:2px solid var(--neutral);outline-offset:2px}

button,.btn{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--rule);background:var(--panel);
  padding:.5rem .85rem;border-radius:var(--r-sm);cursor:pointer;text-decoration:none;white-space:nowrap}
button:hover,.btn:hover{border-color:var(--ink-2)}
.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.primary:hover{background:#2E363D}
.ghost{background:transparent}
.small{padding:.3rem .6rem;font-size:13px}
input{border:1px solid var(--rule);border-radius:var(--r-sm);padding:.5rem .6rem;background:#fff;width:100%}
label{display:flex;flex-direction:column;gap:.25rem;font-size:13px;color:var(--ink-2)}
label.check{flex-direction:row;align-items:center;gap:.5rem}
label.check input{width:auto}

/* bar */
.bar{display:flex;align-items:center;gap:1rem;padding:.6rem 1rem;background:var(--ink);color:#fff;min-height:52px}
.brand{display:flex;align-items:center;gap:.55rem;color:#fff;text-decoration:none;font-weight:700;font-stretch:118%;font-size:17px}
.cores{display:inline-flex;gap:3px}
.cores i{width:5px;height:18px;border-radius:1px;background:var(--live)}
.cores i:nth-child(2){background:var(--neutral)}
.cores i:nth-child(3){background:linear-gradient(var(--earth-g) 0 25%,var(--earth) 25% 50%,var(--earth-g) 50% 75%,var(--earth) 75%)}
.bar-job{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#C9D0D5}
.bar-job b{color:#fff;font-weight:600}
.bar-actions{display:flex;gap:.5rem}
.bar .ghost{color:#fff;border-color:#4A535B}
.bar .primary{background:#fff;color:var(--ink);border-color:#fff}

/* home */
.home{max-width:1080px;width:100%;margin:0 auto;padding:3rem 1.25rem 4rem;display:grid;gap:3rem}
.start h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800;font-stretch:125%;line-height:1.02;max-width:14ch}
.start p{max-width:60ch;color:var(--ink-2);font-size:17px;margin:1rem 0 1.75rem}
.upload{display:grid;grid-template-columns:1.1fr 1fr;gap:1.25rem;align-items:stretch}
.drop{border:1.5px dashed var(--ink-2);border-radius:var(--r);background:
  linear-gradient(var(--rule-2) 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(90deg,var(--rule-2) 1px,transparent 1px) 0 0/24px 24px,#fff;
  min-height:190px;align-items:center;justify-content:center;text-align:center;cursor:pointer;color:var(--ink)}
.drop strong{font-size:18px;font-stretch:112%}
.drop.over{border-color:var(--live);background-color:#FBF5F0}
.drop input{position:absolute;opacity:0;width:1px;height:1px}
.fields{display:flex;flex-direction:column;gap:.9rem;justify-content:flex-end}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-bottom:2px solid var(--ink);padding-bottom:.5rem}
.job-list{list-style:none;margin:1rem 0 0;padding:0}
.job-list li{display:grid;grid-template-columns:1fr auto auto;gap:1rem;align-items:center;padding:.75rem 0;border-bottom:1px solid var(--rule)}
.job-list a{color:var(--ink);font-weight:600;text-decoration:none}
.job-list a:hover{text-decoration:underline}
.job-list .meta{color:var(--ink-2);font-size:13px}
.job-list .none{color:var(--ink-2);display:block}

/* workspace */
.work{flex:1;display:grid;grid-template-columns:132px 1fr 360px;min-height:0}
.sheets{overflow:auto;border-right:1px solid var(--rule);background:var(--panel);padding:.6rem;display:flex;flex-direction:column;gap:.6rem}
.sheet{border:1px solid var(--rule);border-radius:var(--r-sm);padding:4px;background:#fff;cursor:pointer;text-align:left;display:block;width:100%}
.sheet img{width:100%;display:block;aspect-ratio:1.414;object-fit:contain;background:#fff}
.sheet span{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-2);padding:3px 2px 0}
.sheet.on{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}

.viewer{position:relative;min-width:0;min-height:0;display:flex;flex-direction:column;background:#DDE2DF}
.tools{display:flex;flex-wrap:wrap;gap:.35rem;padding:.5rem;background:var(--panel);border-bottom:1px solid var(--rule)}
.tools button{padding:.4rem .7rem;font-size:14px}
.tools button.on{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:inset 0 -3px 0 var(--live)}
.tools .zoom{margin-left:auto;display:flex;gap:.25rem}
.tip{padding:.35rem .75rem;font-size:13px;background:#FBF5F0;border-bottom:1px solid #EAD9CB;color:#5B3216;min-height:1.9rem}
.tip:empty{display:none}
.canvas{flex:1;overflow:hidden;position:relative;cursor:grab;touch-action:none}
.canvas.dragging{cursor:grabbing}
.canvas.cross{cursor:crosshair}
.stage{position:absolute;left:0;top:0;transform-origin:0 0;box-shadow:0 1px 8px rgba(28,33,38,.18);background:#fff}
.stage img{display:block;user-select:none;-webkit-user-select:none;pointer-events:none}
.stage svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.det{fill:transparent;stroke-width:3;cursor:pointer}
.det.rejected{stroke:#8E979E!important;stroke-dasharray:6 5;fill:rgba(142,151,158,.08)}
.det.dim{opacity:.25}
.det.manual{stroke-dasharray:2 3}
.sel{fill:rgba(31,95,168,.08);stroke:var(--neutral);stroke-width:2;stroke-dasharray:8 5}
.legendbox{fill:rgba(201,162,39,.08);stroke:var(--earth);stroke-width:3;stroke-dasharray:10 6}
.runline{fill:none;stroke:var(--live);stroke-width:5;stroke-linejoin:round;stroke-linecap:round;opacity:.85}
.runline.draft{stroke:var(--neutral);stroke-dasharray:12 8}
.runpt{fill:#fff;stroke:var(--live);stroke-width:3}
.busy{position:absolute;inset:auto 1rem 1rem auto;background:var(--ink);color:#fff;padding:.6rem .9rem;border-radius:var(--r-sm);font-size:14px}
.busy span::before{content:"";display:inline-block;width:10px;height:10px;margin-right:.5rem;border-radius:50%;background:var(--live);animation:pulse 1s infinite alternate}
@keyframes pulse{to{background:var(--earth)}}
@media (prefers-reduced-motion:reduce){.busy span::before{animation:none}}

.takeoff{border-left:1px solid var(--rule);background:var(--panel);overflow:auto;display:flex;flex-direction:column}
.takeoff-head{display:flex;align-items:baseline;justify-content:space-between;padding:1rem 1rem .6rem;border-bottom:2px solid var(--ink);margin:0 0 .25rem}
.scale-state{font-size:12px;color:var(--ink-2)}
.scale-state.missing{color:var(--bad)}
.takeoff h3{font-size:14px;padding:1rem 1rem .25rem;color:var(--ink-2);font-weight:600}
.empty{padding:1rem;color:var(--ink-2);font-size:14px}
.empty p{margin:0 0 .5rem}
.items{list-style:none;margin:0;padding:0}
.item{padding:.75rem 1rem;border-bottom:1px solid var(--rule-2);display:grid;gap:.5rem}
.item.active{background:#F6F8FA;box-shadow:inset 3px 0 0 var(--c,var(--ink))}
.item-top{display:grid;grid-template-columns:14px 1fr auto;gap:.6rem;align-items:center;cursor:pointer}
.sw{width:14px;height:14px;border-radius:2px;background:var(--c);border:0;padding:0}
.item-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.count{font-size:22px;font-weight:700;font-stretch:115%;font-variant-numeric:tabular-nums;line-height:1}
.count small{font-size:12px;font-weight:500;color:var(--ink-2);margin-left:2px}
.item-detail{display:grid;grid-template-columns:1fr 84px;gap:.4rem}
.item-detail input{padding:.35rem .5rem;font-size:13px}
.item-detail .desc{grid-column:1/-1;font-size:12px;color:var(--ink-2);margin:-.15rem 0 0}
.item-foot{display:flex;align-items:center;gap:.5rem;font-size:12px;color:var(--ink-2)}
.item-foot input[type=range]{flex:1;padding:0;accent-color:var(--ink)}
.item-foot button{padding:.2rem .45rem;font-size:12px}
.linkbtn{border:0;background:none;padding:0;color:var(--bad);font-size:12px;text-decoration:underline}
.item-foot label.check{font-size:12px;gap:.3rem}
select{font:inherit;color:inherit;border:1px solid var(--rule);border-radius:var(--r-sm);padding:.45rem .5rem;background:#fff;width:100%}
.ptabs{display:flex;gap:1rem}
.ptab{border:0;border-radius:0;background:none;padding:0 0 .15rem;font-size:20px;font-weight:700;font-stretch:112%;letter-spacing:-.01em;color:var(--ink-2);box-shadow:inset 0 -3px 0 transparent}
.ptab[aria-selected=true]{color:var(--ink);box-shadow:inset 0 -3px 0 var(--live)}
.ptab:hover{color:var(--ink)}
.ptab-n{font-size:12px;font-weight:600;margin-left:.3rem;color:var(--ink-2);font-variant-numeric:tabular-nums}
.ptab-n:empty{display:none}
.comp-settings{padding:.75rem 1rem;display:grid;gap:.6rem;border-bottom:1px solid var(--rule-2)}
.comp-settings input{padding:.35rem .5rem;font-size:13px}
.confirm{display:inline-block;font-size:11px;font-weight:600;color:#5B3216;background:#FBF5F0;border:1px solid #EAD9CB;border-radius:var(--r-sm);padding:.05rem .4rem;white-space:nowrap}
.item.optional:not(.included){opacity:.7}
.item .basis{font-size:12px;color:var(--ink-2);margin:0}
.comp-note{font-size:12px;color:var(--bad);margin:0;padding:.6rem 1rem}
.total{margin-top:auto;display:flex;justify-content:space-between;align-items:baseline;padding:1rem;border-top:2px solid var(--ink);position:sticky;bottom:0;background:var(--panel)}
.total strong{font-size:22px;font-stretch:115%;font-variant-numeric:tabular-nums}
.suggest{position:absolute;z-index:20;background:#fff;border:1px solid var(--ink-2);border-radius:var(--r-sm);max-height:220px;overflow:auto;list-style:none;margin:0;padding:0;box-shadow:0 6px 18px rgba(28,33,38,.18)}
.suggest li{padding:.4rem .6rem;font-size:13px;cursor:pointer;border-bottom:1px solid var(--rule-2)}
.suggest li:hover,.suggest li.hi{background:#EEF3F8}
.suggest b{font-variant-numeric:tabular-nums}

dialog{border:0;border-radius:var(--r);padding:0;width:min(440px,92vw);box-shadow:0 20px 50px rgba(28,33,38,.35)}
dialog::backdrop{background:rgba(28,33,38,.45)}
dialog form{padding:1.25rem;display:flex;flex-direction:column;gap:.9rem}
dialog h2{font-size:20px}
dialog p{margin:0;color:var(--ink-2)}
.row{display:flex;gap:.5rem;align-items:center}
.grow{flex:1}
.two{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.preview{background:#fff;border:1px solid var(--rule);display:flex;justify-content:center;align-items:center;min-height:90px;padding:.5rem}
.preview canvas{max-width:100%;image-rendering:pixelated}
.legend-entries{list-style:none;margin:0;padding:0;max-height:320px;overflow:auto;border-top:1px solid var(--rule)}
.legend-entries li{padding:.5rem 0;border-bottom:1px solid var(--rule-2);font-size:14px}
.legend-entries li span{display:block;font-size:12px;color:var(--ink-2)}

.toast{position:fixed;left:50%;bottom:1.25rem;transform:translateX(-50%) translateY(150%);background:var(--ink);color:#fff;padding:.65rem 1rem;border-radius:var(--r-sm);font-size:14px;transition:transform .2s;max-width:90vw;z-index:50}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.err{background:var(--bad)}

@media (max-width:980px){
  .work{grid-template-columns:1fr;grid-template-rows:auto minmax(420px,62vh) auto}
  .sheets{flex-direction:row;border-right:0;border-bottom:1px solid var(--rule)}
  .sheet{width:96px;flex:none}
  .takeoff{border-left:0;border-top:1px solid var(--rule)}
  .upload{grid-template-columns:1fr}
  .bar-actions .ghost{display:none}
}