/* The viewer stays mounted while the configuration steps change beneath it. */
#bw-3d-host{max-width:1480px;margin:0 auto;padding:32px 48px 0;color:var(--ink,#f5f0e6);font-family:var(--sans,Arial,sans-serif)}
#bw-3d-host *{box-sizing:border-box}
.bw3d-shell{border:1px solid var(--line,#493a29);background:var(--white,#1c1710);overflow:hidden}
.bw3d-heading{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:23px 28px}
.bw3d-eyebrow{color:var(--bronze,#c89a6b);font-size:10px;font-weight:600;letter-spacing:.17em;text-transform:uppercase;margin:0 0 6px}
#bw-3d-host h2{font:400 clamp(26px,2.6vw,36px)/1.15 var(--serif,Georgia,serif);letter-spacing:-.035em;margin:0}
.bw3d-selection{font-size:12px;line-height:1.6;color:var(--muted,#b9b1a2);margin:8px 0 0;overflow-wrap:anywhere}
.bw3d-estimate{flex-shrink:0;text-align:right}
.bw3d-estimate>span{display:block;color:var(--sand,#e1c39b);font:400 clamp(25px,2.5vw,34px)/1.1 var(--serif,Georgia,serif);letter-spacing:-.035em;font-variant-numeric:tabular-nums}
.bw3d-estimate small{display:block;margin-top:8px;font:400 10px/1.4 var(--sans,Arial,sans-serif);color:var(--muted,#b9b1a2);letter-spacing:.05em}
.bw3d-stage{position:relative;height:490px;background:#bdc4ca;overflow:hidden;isolation:isolate}
#bw3d-canvas{position:absolute;inset:0;display:block;width:100%;height:100%;touch-action:none;cursor:grab;opacity:0;transition:opacity .25s}
#bw3d-canvas.is-ready{opacity:1}
#bw3d-canvas:active{cursor:grabbing}
#bw3d-canvas:focus-visible{outline:3px solid #5b3c25;outline-offset:-5px}
.bw3d-hint,.bw3d-view-label{position:absolute;pointer-events:none;font:500 11px/1.5 var(--sans,Arial,sans-serif);color:#261e16;background:#f5f0e6e8;border:1px solid #ffffff6b;backdrop-filter:blur(8px);z-index:2}
.bw3d-hint{top:16px;right:16px;margin:0;padding:7px 11px}
.bw3d-view-label{left:16px;bottom:16px;padding:6px 10px;letter-spacing:.04em}
.bw3d-loading{position:absolute;inset:0;display:grid;place-items:center;background:#bdc4ca;color:#34291e;font-size:14px;z-index:3}
.bw3d-fallback{position:absolute;inset:0;background:var(--deep,#0e0b07);display:flex;flex-direction:column;align-items:center;justify-content:center}
.bw3d-fallback img{display:block;min-height:0;max-height:calc(100% - 62px);max-width:100%;width:auto;height:auto;object-fit:contain}
.bw3d-fallback p{padding:12px 22px;color:var(--muted,#b9b1a2);font-size:12px;line-height:1.5;margin:0;text-align:center;max-width:680px}
.bw3d-controls{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:12px 16px;border-top:1px solid var(--line,#493a29);border-bottom:1px solid var(--line,#493a29);background:var(--deep,#0e0b07)}
.bw3d-views,.bw3d-tools{display:flex;gap:4px;min-width:0}
#bw-3d-host button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:44px;min-height:44px;border:1px solid transparent;border-radius:0;padding:9px 12px;background:transparent;color:var(--muted,#b9b1a2);font:500 12px/1.3 var(--sans,Arial,sans-serif);white-space:nowrap;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
#bw-3d-host button:hover{border-color:var(--control-line,#887055);color:var(--ink,#f5f0e6);background:var(--sage,#241c13)}
#bw-3d-host button[aria-pressed=true]{background:var(--sand,#e1c39b);border-color:var(--sand,#e1c39b);color:var(--paper,#131009)}
#bw-3d-host button:focus-visible{outline:2px solid var(--sand,#e1c39b);outline-offset:2px;position:relative;z-index:1}
#bw-3d-host button svg{width:17px;height:17px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.bw3d-tools>button{border-color:var(--line,#493a29);padding:9px 10px}
.bw3d-tools .bw3d-door{margin-left:5px;padding-inline:13px}
.bw3d-footnote{padding:12px 22px 14px;color:var(--muted,#b9b1a2);font-size:11px;line-height:1.6}
.bw3d-footnote p{margin:0}
.bw3d-footnote p+p{margin-top:5px;color:var(--sand,#e1c39b)}
.bw3d-sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1600px){.bw3d-stage{height:520px}}
@media(max-width:1000px){#bw-3d-host{padding-inline:32px}.bw3d-controls{flex-wrap:wrap;gap:8px}.bw3d-tools{margin-left:auto}.bw3d-stage{height:440px}}
@media(max-width:600px){#bw-3d-host{padding:18px 16px 0}.bw3d-heading{padding:17px 16px;gap:16px;align-items:flex-start}.bw3d-eyebrow{font-size:9px}.bw3d-selection{font-size:11px;max-width:27ch}.bw3d-estimate>span{font-size:26px}.bw3d-estimate small{font-size:9px;max-width:12ch;margin-left:auto}.bw3d-stage{height:330px}.bw3d-hint{top:10px;right:10px;font-size:10px;padding:5px 8px}.bw3d-view-label{left:10px;bottom:10px;font-size:10px}.bw3d-controls{display:block;padding:8px}.bw3d-views{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px}.bw3d-tools{justify-content:center;gap:5px;margin:7px 0 0;padding-top:7px;border-top:1px solid var(--line,#493a29)}#bw-3d-host .bw3d-views button{flex-direction:column;gap:4px;min-width:0;min-height:50px;font-size:10px;padding:6px 2px}#bw-3d-host .bw3d-tools button{min-height:44px}.bw3d-footnote{padding:11px 14px;font-size:10px}.bw3d-fallback p{font-size:11px;padding-inline:14px}}
@media(prefers-reduced-motion:reduce){#bw-3d-host *{transition:none!important}}
/* Leave room for the build controls while keeping the viewer above them. */
#bw-3d-host{padding-top:4px}
.bw3d-heading{padding-block:18px}
.bw3d-stage{height:400px}
@media(min-width:1600px){.bw3d-stage{height:460px}}
@media(max-width:1000px){.bw3d-stage{height:380px}}
@media(max-width:600px){#bw-3d-host{padding-top:4px}.bw3d-heading{padding-block:15px}.bw3d-stage{height:330px}}
.bw3d-heating{font-size:12px;color:var(--sand,#e1c39b);padding-bottom:5px}
@media(max-width:600px){.bw3d.has-wood-stove .bw3d-views{grid-template-columns:repeat(6,minmax(0,1fr))}}