:root{--navy:#0f2a44;--ink:#111827;--mut:#6b7280;--line:#d1d5db;--bg:#f3f4f6;--acc:#1d4ed8;--red:#b91c1c;--amb:#b45309;--ok:#15803d;
  --tabh:62px;--sb:env(safe-area-inset-bottom,0px);--st:env(safe-area-inset-top,0px)}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;-webkit-text-size-adjust:100%}
button,input,select,textarea{font:inherit;color:inherit}
input,textarea,select{font-size:16px}
[hidden]{display:none!important}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:calc(8px + var(--st)) 12px 8px;background:var(--navy);color:#fff}
.brand{display:flex;align-items:center;gap:8px;flex:none}
.logo{background:#fff;color:var(--navy);font-weight:800;border-radius:6px;padding:2px 6px;font-size:14px}
.brand-t{font-weight:600;font-size:15px}
.projname{flex:1;min-width:0;background:rgba(255,255,255,.12);border:0;border-radius:8px;color:#fff;padding:8px 10px;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:15px}
.savestate{font-size:12px;opacity:.75;flex:none;min-width:40px;text-align:right}
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;background:#fff;border-top:1px solid var(--line);padding-bottom:var(--sb)}
.tabs button{flex:1;border:0;background:none;padding:7px 2px 6px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--mut);min-height:var(--tabh)}
.tabs svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round}
.tabs button.on{color:var(--navy);font-weight:700}
main{max-width:1200px;margin:0 auto;padding:12px 12px calc(var(--tabh) + var(--sb) + 24px)}
.view{display:none}.view.on{display:block}
h2{font-size:17px;margin:0 0 10px}h3{font-size:15px;margin:0 0 8px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}
.card.tight{padding:6px}
.muted{color:var(--mut)}.small{font-size:13px}
.row{display:flex;align-items:center}.wrap{flex-wrap:wrap}.gap{gap:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 14px;border:1px solid var(--line);background:#fff;border-radius:10px;font-weight:600;cursor:pointer;-webkit-tap-highlight-color:transparent}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.danger{color:var(--red);border-color:#fecaca}
.btn.block{width:100%}
.btn.sm{min-height:36px;padding:4px 10px;font-size:14px}
.fld{display:block;margin-bottom:10px;font-size:13px;color:var(--mut);font-weight:600}
.fld input,.fld textarea{display:block;width:100%;margin-top:4px;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-weight:400}
.chk{display:flex;align-items:center;gap:8px;font-size:14px;min-height:40px}
.chk input{width:22px;height:22px}
.shapes{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.shape{border:2px solid var(--line);background:#fff;border-radius:10px;padding:8px 4px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:13px;font-weight:600}
.shape svg{width:56px;height:44px}
.shape.on{border-color:var(--navy);background:#eef2ff}
.fi-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;border-top:1px solid #f0f0f0;flex-wrap:wrap}
.fi-lbl{font-weight:600;font-size:14px;flex:1 1 140px}
.fi{display:inline-flex;align-items:center;gap:4px}
.fi input{width:62px;padding:9px 6px;border:1px solid var(--line);border-radius:8px;text-align:center}
.fi .u{color:var(--mut);font-size:14px;margin-right:4px}
.pmode{width:auto;max-width:230px;min-height:40px;padding:6px;border:1px solid var(--line);border-radius:8px;background:#fff}
.fi input.bad{border-color:var(--red);background:#fef2f2}
.wname{width:100%;margin-top:4px;padding:8px;border:1px solid var(--line);border-radius:8px}
.wallchips{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:4px}
.chip{flex:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;min-height:40px;font-weight:600;font-size:14px}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.chip.bad{border-color:var(--red)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips .chip{padding:6px 10px;min-height:38px;min-width:46px}
.elevbox svg,.planbox svg{display:block;width:100%;height:auto;max-height:62vh;touch-action:manipulation}
.planbox svg{max-height:75vh}
.filldir{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px;font-weight:600;font-size:14px}
.filldir .seg{display:inline-flex;gap:4px}
.filldir .chip{min-height:40px}
#btnMatch{margin-left:auto}
@media (max-width:420px){#btnMatch{margin-left:0}}
.usage{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}
.ubar{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:13px}
.ubar b{display:block;font-size:14px}
.ubar .track{height:6px;background:#e5e7eb;border-radius:3px;margin-top:6px;overflow:hidden}
.ubar .fillb{height:100%;background:var(--ok)}
.ubar.over{border-color:var(--red);background:#fef2f2}.ubar.over .fillb{background:var(--red)}
.ubar.full .fillb{background:var(--acc)}
.warn{border-radius:10px;padding:8px 12px;margin-bottom:8px;font-size:14px}
.warn.err{background:#fef2f2;color:var(--red);border:1px solid #fecaca}
.warn.warnl{background:#fffbeb;color:var(--amb);border:1px solid #fde68a}
.warn.info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.palette{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.palette button{min-height:48px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:13px;font-weight:600;padding:4px;line-height:1.15}
.palette button.up{background:#f8fafc;border-style:dashed}
.palette button.op{background:#eff6ff}
.palette button:active{background:#e0e7ff}
.ilist h4{margin:10px 0 4px;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--mut)}
.irow{display:flex;align-items:center;gap:6px;padding:6px 0;border-top:1px solid #f1f1f1}
.irow .ic{flex:1;min-width:0;display:flex;flex-direction:column;background:none;border:0;text-align:left;padding:6px 4px;border-radius:8px}
.irow .ic b{font-size:15px}.irow .ic span{font-size:12px;color:var(--mut)}
.irow.on .ic{background:#fee2e2}
.irow .mv{width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:16px}
.editor h3{display:flex;justify-content:space-between;align-items:center}
.editor .sec{margin:10px 0}
.editor .sec>span{display:block;font-size:12px;font-weight:700;color:var(--mut);text-transform:uppercase;margin-bottom:6px}
.stepper{display:inline-flex;align-items:center;gap:6px}
.stepper button{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;font-weight:700}
.editor .acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.projlist{display:grid;gap:10px;margin:14px 0}
.pcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pcard.cur{border-color:var(--navy);box-shadow:0 0 0 1px var(--navy)}
.pcard .pi{flex:1 1 200px;min-width:0}
.pcard .pi b{display:block;font-size:16px}
.pcard .pi span{font-size:13px;color:var(--mut)}
.pcard .pa{display:flex;gap:6px;flex-wrap:wrap}
.sheetstage{overflow:hidden;background:#9ca3af;border-radius:10px;padding:10px}
#sheetPreview{transform-origin:top left}
.toast{position:fixed;left:50%;bottom:calc(var(--tabh) + var(--sb) + 14px);transform:translateX(-50%);background:#111827;color:#fff;padding:10px 16px;border-radius:10px;z-index:50;font-size:14px;max-width:90vw}
#printRoot{display:none}
.cablist .grp{break-inside:avoid;margin-bottom:6px}
.cablist .grp b{display:block}
.cablist table{border-collapse:collapse;width:100%}
.cablist td{padding:1px 4px;border-bottom:1px solid #eee;font-size:14px}
.cablist td.n{text-align:right;font-weight:700;width:3em}

/* ---- the print sheet (physical units) ---- */
.sheet{position:relative;width:10.1in;height:7.6in;background:#fff;color:#111;font-family:Helvetica,Arial,sans-serif;overflow:hidden;border:1.5px solid #111}
.sheet .blk{position:absolute}
.sheet .cap{font-size:8pt;font-weight:700;letter-spacing:.03em;height:.2in;line-height:.2in;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-bottom:.5px solid #999}
.sheet .blk svg{display:block}
.sheet .strip{position:absolute;left:0;right:0;bottom:0;height:1.5in;border-top:1.5px solid #111;display:grid;grid-template-columns:3.55in 1fr 2.35in}
.sheet .strip>div{padding:.06in .09in;border-right:1px solid #111;overflow:hidden}
.sheet .strip>div:last-child{border-right:0}
.sheet .pn{font-size:13pt;font-weight:700;line-height:1.1;margin-bottom:.03in;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sheet .kv{font-size:8pt;line-height:1.3}
.sheet .kv b{font-weight:700}
.sheet .notes{font-size:7pt;line-height:1.25;margin-top:.03in;max-height:.36in;overflow:hidden;color:#333}
.sheet .co{position:absolute;left:.09in;bottom:.05in;font-size:8pt;font-weight:700;white-space:nowrap}
.sheet .strip .tbl{position:relative}
.sheet .cl{font-size:6.8pt;line-height:1.22;column-count:3;column-gap:.12in}
.sheet .cl .gh{font-weight:700;text-transform:uppercase;font-size:6.3pt;letter-spacing:.03em;break-after:avoid;margin-top:1px}
.sheet .cl .ce{display:flex;justify-content:space-between;gap:4px;break-inside:avoid;border-bottom:.3px solid #ddd}
.sheet .cl .ce i{font-style:normal;font-weight:700}
.sheet .clh{font-size:7.5pt;font-weight:700;margin-bottom:2px}
.sheet .stamp{border:1.5px solid #111;text-align:center;font-weight:800;font-size:8.5pt;padding:.04in;margin-bottom:.05in;letter-spacing:.02em}
.sheet .stamp.ex{border-color:#b45309;color:#92400e;font-size:7pt;padding:.03in}
.sheet .small7{font-size:6.5pt;line-height:1.25;padding-right:.42in}
.sheet .sheetno{position:absolute;right:.09in;bottom:.05in;font-size:12pt;font-weight:800}

/* ---- wide screens ---- */
@media (min-width:900px){
  .tabs{position:sticky;top:52px;bottom:auto;border-top:0;border-bottom:1px solid var(--line);padding-bottom:0;justify-content:center;z-index:19}
  .tabs button{flex:0 0 120px;flex-direction:row;justify-content:center;gap:8px;font-size:14px;min-height:48px}
  main{padding-bottom:40px}
  .walls-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,1fr);gap:12px;align-items:start}
  .walls-left{position:sticky;top:112px}
  .toast{bottom:24px}
  .palette{grid-template-columns:repeat(3,1fr)}
}

/* ---- print ---- */
@page{size:letter landscape;margin:.4in}
@media print{
  html,body{background:#fff!important;margin:0!important;padding:0!important}
  body>*:not(#printRoot){display:none!important}
  #printRoot{display:block!important;width:10.1in;height:7.6in;overflow:hidden}
  #printRoot .sheet{transform:none!important;page-break-inside:avoid;break-inside:avoid}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}
/* Safari/iOS ignore @page size and print portrait: rotate the sheet onto the portrait page */
@media print{
  html.rot #printRoot{width:7.2in;height:9.55in}
  html.rot #printRoot .sheet{transform:translateX(7.144in) rotate(90deg) scale(.94)!important;transform-origin:0 0}
}