:root{--ink:#111;--muted:#6e6e73;--line:#e5e5e7;--bg:#fff;--stage:#f5f5f7;--r:18px;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}body{margin:0}
.top{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:8px 20px;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line)}
.top .brand{display:inline-flex;align-items:center;line-height:0}.top .brand img{height:40px;width:auto;display:block}
.tag{font-size:12px;color:var(--muted);font-weight:600}
@media (max-width:700px){.top .brand img{height:30px}}
.layout{display:block}
.stage{position:relative;height:62vh;min-height:380px;background:var(--stage);display:flex;flex-direction:column}
.toolbar{display:flex;flex-wrap:wrap;gap:8px 14px;justify-content:center;padding:12px 12px 0}
.seg{display:inline-flex;gap:6px;flex-wrap:wrap}.seg.wide{margin-bottom:14px}
[hidden]{display:none!important}
.canvas-wrap{flex:1;position:relative;min-height:0}
#plan,#view3{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none}
#plan{cursor:crosshair}#plan.move{cursor:grab}
.loader{position:absolute;inset:0;display:flex;gap:10px;align-items:center;justify-content:center;font-size:14px;color:var(--muted);pointer-events:none}
.loader span{width:18px;height:18px;border:2px solid #ccc;border-top-color:#111;border-radius:50%;animation:spin .8s linear infinite}
.loader.done{display:none}@keyframes spin{to{transform:rotate(360deg)}}
.chip{appearance:none;border:1px solid var(--line);background:#fff;color:var(--ink);font:600 13px/1 inherit;font-family:inherit;padding:10px 14px;border-radius:999px;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.05)}
/* Toolbar + 3D stage chips: bold labels (Pat, 28 Oct 2026) */
.toolbar .chip,.stage-tools .chip{font-weight:800;letter-spacing:-.01em}
.chip[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip:disabled,.chip.locked{opacity:.45;cursor:not-allowed;box-shadow:none}
.chip.wide{width:100%;padding:13px}
.chip:focus-visible,.btn:focus-visible,.sw:focus-visible,.btn-add:focus-visible{outline:3px solid #0071e3;outline-offset:2px}
.hint{margin:0;padding:8px 12px 10px;text-align:center;font-size:11px;color:var(--muted)}
.panel{padding:28px 20px 60px;max-width:560px;margin:0 auto}
.eyebrow{margin:0;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
h1{font-size:44px;line-height:1.02;letter-spacing:-.03em;margin:8px 0 12px;font-weight:800}
.lede{font-size:17px;line-height:1.45;color:#333;margin:0}
.intro{padding-bottom:22px}.block{padding:26px 0;border-top:1px solid var(--line)}
h2{font-size:20px;margin:0 0 16px;letter-spacing:-.01em;display:flex;gap:10px;align-items:baseline}
h2 span{font-size:12px;color:var(--muted);font-weight:700}h2 small{font-weight:600;color:var(--muted);font-size:13px;margin-left:auto}
h3{font-size:15px;margin:0 0 10px}
.sub{margin-top:18px;padding:16px;border-radius:var(--r);background:var(--stage)}
.part{margin:0 0 12px}.part-h{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px}.part-h span{color:var(--muted)}
.swatches{display:flex;flex-wrap:wrap;gap:10px}
.sw{width:36px;height:36px;border-radius:50%;border:1px solid rgba(0,0,0,.12);cursor:pointer;padding:0;position:relative}
.sw[aria-checked="true"]::after{content:"";position:absolute;inset:-5px;border:2px solid var(--ink);border-radius:50%}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.gap-top{margin-top:12px}
.field{display:block;margin:0 0 12px;font-size:13px;color:var(--muted)}
.field span{display:flex;justify-content:space-between;margin-bottom:6px}.field em{font-style:normal}
.field select,.field input,.field textarea{width:100%;font:16px inherit;font-family:inherit;color:var(--ink);padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff}
.field input[aria-invalid=true]{border-color:#c0392b;background:#fff6f5}
.fs{border:0;padding:0;margin:0 0 6px}.fs legend{font-weight:700;font-size:14px;margin-bottom:10px}
.toggle{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;cursor:pointer;margin:2px 0 6px}.toggle input{accent-color:var(--ink);width:18px;height:18px}
.note{font-size:12px;line-height:1.5;color:var(--muted);margin:12px 0 0}.note.top0{margin:0 0 14px}
.btn-add{display:block;width:100%;margin-top:14px;padding:14px 16px;border:0;border-radius:12px;background:#111;color:#fff;font:700 15px/1.2 inherit;font-family:inherit;cursor:pointer}
.btn-add:hover{background:#333}
.quick-cta{font-size:18px;font-weight:800;letter-spacing:-.01em;line-height:1.25;padding:16px 18px}
.chip.quick-cta{font-size:18px;font-weight:800;padding:15px 18px}
/* Action buttons: same larger, bolder text as the quick-start CTAs (27 Oct 2026) */
#autofill,#cmAddFoot,#cmBuild,#addCage,#addRing,#addOpening,#cancelOpening,#addPole,#cancelPole,#border,#borderUndo,#applyWalls,#pdfBtn,#copyLink,#dlJson{font-size:18px;font-weight:800;letter-spacing:-.01em;line-height:1.25}
#autofill,#cmAddFoot,#cmBuild{padding:16px 18px}
.chip.wide#addCage,.chip.wide#addRing,.chip.wide#addOpening,.chip.wide#cancelOpening,.chip.wide#addPole,.chip.wide#cancelPole,.chip.wide#border,.chip.wide#borderUndo,.chip.wide#applyWalls,.chip.wide#copyLink,.chip.wide#dlJson,#pdfBtn{padding:15px 14px}
#quote{font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.btn{display:block;width:100%;text-align:center;background:var(--ink);color:#fff;border:0;cursor:pointer;font:700 19px/1 inherit;font-family:inherit;padding:20px;border-radius:999px;box-shadow:0 6px 18px rgba(0,0,0,.28)}
.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.dl-note{text-align:center;margin:0 0 10px}.dl-lock[hidden]{display:none!important}
.item{display:grid;grid-template-columns:1fr auto;gap:8px 10px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-top:12px;font-size:14px}
.item b{font-weight:700}.item .acts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.item select{font:13px inherit;font-family:inherit;padding:6px 8px;border:1px solid var(--line);border-radius:10px;background:#fff}
.item a{color:var(--ink);font-weight:700;font-size:13px}
.chip.sm{padding:7px 10px;font-size:12px}
.bom-line{display:grid;grid-template-columns:22px 1fr auto;gap:4px 12px;align-items:start;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.bom-line:last-child{border-bottom:0}
.bom-sw{width:22px;height:22px;border-radius:6px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15);margin-top:1px}
.bom-line b{font-weight:700}.bom-line small{display:block;color:var(--muted);font-size:12px;margin-top:3px;line-height:1.4}
.bom-m2{font-weight:700;white-space:nowrap}
.bom-empty{color:var(--muted);font-size:14px}
.bom-tot{display:grid;grid-template-columns:1fr auto;gap:6px 12px;font-size:13px;color:var(--muted);margin-top:10px}.bom-tot b{color:var(--ink)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:#111;color:#fff;padding:12px 18px;border-radius:999px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.25s}
.toast.on{opacity:1;transform:translateX(-50%)}
@media (min-width:960px){
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 440px;height:calc(100vh - 57px)}
  .stage{height:100%}
  .panel{overflow-y:auto;height:100%;padding:40px 36px 60px;max-width:none;border-left:1px solid var(--line)}
  h1{font-size:52px}
}
/* walls */
.switch{margin-left:auto;position:relative;display:inline-block;width:48px;height:28px;cursor:pointer}
.switch input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer;z-index:1}
.switch i{position:absolute;inset:0;border-radius:999px;background:#d1d1d6;transition:.2s}
.switch i::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:.2s}
.switch input:checked+i{background:#111}.switch input:checked+i::after{transform:translateX(20px)}
.switch input:focus-visible+i{outline:3px solid #0071e3;outline-offset:2px}
.sides{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;margin-bottom:12px}
.radio{display:flex;gap:8px;align-items:center;font-size:14px;cursor:pointer;margin:4px 0}.radio input{accent-color:var(--ink);width:18px;height:18px}
details.sub summary{cursor:pointer;font-size:15px;margin-bottom:10px;display:flex;gap:8px;align-items:center}
.tag.inc{background:#e8f5ec;color:#1d6b38;padding:3px 8px;border-radius:999px;font-size:11px}
.upload{position:relative;overflow:hidden;display:block;border:1.5px dashed #c7c7cc;border-radius:var(--r);padding:14px;text-align:center;cursor:pointer;margin-bottom:12px;background:#fff}
.upload input{position:absolute;opacity:0;width:1px;height:1px}.upload:focus-within{outline:2px solid var(--ink);outline-offset:2px}
.upload-txt{font-weight:600;font-size:15px}.upload-txt small{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-top:4px}
.field input[type=range]{padding:0;border:0;accent-color:var(--ink)}
.art{margin:4px 0 12px}
.match{margin-top:6px;padding:12px;border-radius:12px;background:#fff;border:1px solid rgba(0,0,0,.08)}
.match-h{display:flex;align-items:center;gap:10px;font-size:14px;margin-bottom:6px}
.match-sw{width:26px;height:26px;border-radius:50%;flex:none;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}
.match-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.chip.pick{position:relative;cursor:pointer}.chip.pick input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.elev-wrap{margin-top:16px;border-radius:12px;background:var(--stage);padding:8px}
#wallElev{display:block;width:100%;height:auto}
.lc-print{font-size:12px;line-height:1.5;color:var(--muted);margin:10px 0 0}
.bom-h{font-size:13px;margin:16px 0 0;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
/* walls v2: per-wall product rows, Frame Kit, border undo */
.wper{display:grid;gap:8px;margin-bottom:10px}
.wrow{display:grid;grid-template-columns:52px 1fr 92px;gap:6px 8px;align-items:center;padding:8px 10px;border-radius:12px;background:#fff;border:1px solid var(--line);font-size:13px}
.wrow b{font-size:13px}.wrow select{width:100%;min-width:0;font:inherit;font-size:13px;padding:6px 8px;border:1px solid var(--line);border-radius:10px;background:#fff}
.wrow .toggle{grid-column:2 / 4;margin:0;font-size:13px}.toggle.sm input{width:16px;height:16px}
.sub.frame{margin-top:12px;padding:12px 14px;background:#f7f1e8;border:1px solid #e6d6bd}
.bom-frame .bom-sw{background-image:repeating-linear-gradient(90deg,rgba(0,0,0,.08) 0 2px,transparent 2px 5px)}
.bom-note small{color:#8a5a00}
#borderUndo:disabled{opacity:.45}
/* 3D stage tools (same chips as the cage / ring designers), over the 3D canvas */
.stage-tools{position:absolute;left:12px;right:12px;bottom:12px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap;z-index:2;pointer-events:none}
.stage-tools .chip{pointer-events:auto}
.sub-h{display:flex;align-items:center;gap:10px}

.note.err{color:#c0392b;font-weight:600}.note.okk{color:var(--ink)}
.mocks{margin:0 0 12px}.mocks .seg{margin-top:-6px}
.bom-feat .bom-sw{background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.35) 0 2px,transparent 2px 6px)}
.item small.warn{color:#c0392b}
/* Competition Arena: recommended products block */
.cm-rec{margin:4px 0 10px;padding:10px 12px;border:1px solid var(--line);border-left:4px solid #0a6aa1;border-radius:10px;background:#f5f9fc;font-size:13px;line-height:1.45}
.cm-rec a,.cm-rec-bom a{color:#0a6aa1;font-weight:600}
.cm-rec-bom{margin:6px 0 0}
#cmProd:disabled,#cmFootSize:disabled{opacity:.75;cursor:not-allowed}

/* design PDF + quote dialogs (same as the cage designer) */
.chip.pdf{width:100%;justify-content:center;margin-bottom:10px;padding:12px;font-weight:700;border:1.5px solid var(--ink);background:#fff}
.link{background:none;border:0;padding:0;color:var(--muted);text-decoration:underline;cursor:pointer;font:13px inherit;font-family:inherit}
.link:disabled{opacity:.45;cursor:not-allowed}
dialog#checklist{border:0;border-radius:16px;padding:22px;max-width:440px;width:calc(100% - 32px);box-shadow:0 20px 60px rgba(0,0,0,.3)}
dialog#checklist::backdrop{background:rgba(0,0,0,.45)}
dialog#checklist h3{margin:0 0 8px}.ck{padding-left:20px;display:grid;gap:10px;font-size:14px}.ck label{display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap}
.ck-actions{display:flex;gap:10px;justify-content:flex-end;align-items:center;margin-top:12px}
.ck-actions .btn{width:auto;display:inline-block;text-decoration:none;font-size:16px;padding:14px 22px}
.ck-actions .btn[aria-disabled=true]{opacity:.45;pointer-events:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
dialog#sending{border:0;border-radius:16px;padding:22px;max-width:420px;width:calc(100% - 32px);box-shadow:0 20px 60px rgba(0,0,0,.3)}
dialog#sending::backdrop{background:rgba(0,0,0,.45)}dialog#sending h3{margin:0 0 8px}
#sendBar{width:100%;height:10px;accent-color:#0a6aa1}