.build-toolbar{display:flex;align-items:center;gap:5px;padding:11px 12px;border-bottom:1px solid #e0e6dc;background:#fff;flex-wrap:wrap}.build-tool{border:1px solid transparent;border-radius:7px;background:transparent;display:flex;flex-direction:column;gap:5px;min-width:61px;min-height:55px;padding:7px 8px;color:#697b6d;font-size:9px}.build-tool svg{width:21px;height:21px}.build-tool.active{background:#1b4b3d;color:white}.build-tool:hover:not(.active){background:#eff4eb}.build-tool-separator{height:30px;border-left:1px solid #dde5d7;margin:0 6px}.build-instruction{font-size:11px;display:flex;align-items:center;gap:9px;padding:10px 15px;background:#eef3e8;color:#64775f;min-height:42px}.build-instruction button{border:1px solid #bdcbb5;border-radius:50%;min-width:23px;width:23px;height:23px;background:transparent;color:#61765e;margin-left:auto}.build-live-dot{width:6px;height:6px;border-radius:50%;background:#8ba579;flex-shrink:0}.construction-stage{background:#fafcf6;touch-action:none;user-select:none;overflow:hidden}.construction-stage>svg{display:block;width:100%;height:auto;min-height:360px;touch-action:none}.construction-stage [data-piece],.construction-stage [data-node],.construction-stage [data-handle],.shelf-piece{cursor:grab;touch-action:none}.construction-stage [data-piece]:active,.shelf-piece:active{cursor:grabbing}.construction-stage [tabindex]:focus-visible{outline:none;filter:drop-shadow(0 0 3px #b4833c)}.piece-shelf{display:flex;align-items:center;gap:7px;padding:13px 12px;border-top:1px solid #dce6d5;border-bottom:1px solid #e3e8dc;background:#f2f5ec}.shelf-label{margin-right:auto;min-width:80px;color:#45604a}.shelf-label strong{display:block;font-size:12px;margin-bottom:5px}.shelf-label span{font-size:9px;color:#81907a}.shelf-piece{border:1px solid transparent;background:transparent;flex-direction:column;gap:4px;min-width:63px;padding:4px;border-radius:8px;font-size:8px;color:#798670}.shelf-piece:hover{background:white;border-color:#dbe4d2}.shelf-piece svg{width:49px;height:49px}.build-context{padding:12px 15px;background:#fff;border-bottom:1px solid #e9ece4}.build-options{display:flex;gap:13px;flex-wrap:wrap}.build-options label{font-size:10px;color:#687966;display:flex;align-items:center;gap:4px}.build-context-actions{display:flex;gap:7px;flex-wrap:wrap}.build-context-actions:not(:empty){margin-top:12px}.build-readout{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding:18px 16px 12px}.build-readout span{display:block;font-size:9px;color:#80907b;margin-bottom:7px}.build-readout strong{font-weight:500;font-size:11px;line-height:1.65;color:#3d614b}.build-footnote{font-size:10px;line-height:1.7;padding:0 16px 14px;color:#84907d}.construction-challenge{border-top:1px solid #e6eadf;padding:15px 16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#fafbf7}.construction-challenge label{font-size:10px;color:#74806b;flex:1}.construction-challenge select{font-size:10px;display:block;width:100%;margin-top:6px}.build-feedback{font-size:12px;line-height:1.7;color:#56704e;flex-basis:100%}.build-feedback:empty{display:none}.construction-notice{padding:15px 18px;background:#eaf1e3;color:#5d7355;border:1px solid #dce5d5;border-radius:8px;font-size:12px;margin-bottom:20px;line-height:1.8}.construction-notice strong{display:block}.construction-notice a{font-weight:700}@media(max-width:740px){.build-toolbar{gap:2px;padding:8px}.build-tool{min-width:44px;min-height:48px;padding:5px;font-size:8px}.build-tool svg{width:19px;height:19px}.build-tool-separator{display:none}.build-instruction{font-size:10px;padding:10px}.construction-stage>svg{min-height:320px}.piece-shelf{padding:10px 8px;gap:3px;flex-wrap:wrap}.shelf-label{width:100%;display:flex;gap:10px;align-items:center}.shelf-label strong{margin:0}.shelf-piece{flex:1;min-width:45px;font-size:7px}.shelf-piece svg{width:40px;height:40px}.build-options{gap:8px}.build-options label{font-size:9px}.build-readout{grid-template-columns:1fr 1fr;gap:10px}.build-readout>div:last-child{grid-column:1/-1}.build-context-actions .btn{font-size:10px}}

.build-expand{margin-left:auto}.studio.build-expanded{position:fixed;inset:8px;z-index:80;display:flex;flex-direction:column;box-shadow:0 0 0 20px #163f3670;overflow:hidden}.build-expanded .construction-stage{flex:1;min-height:0}.build-expanded .construction-stage>svg{width:100%;height:100%;min-height:0}.build-expanded .build-readout,.build-expanded .build-footnote,.build-expanded .construction-challenge{display:none}.build-expanded .piece-shelf{flex-shrink:0}.build-expanded .build-context{flex-shrink:0;padding:8px 14px}.build-expanded .build-context-actions:not(:empty){margin-top:7px}.build-expanded .build-toolbar{flex-shrink:0}.build-expanded .build-instruction{flex-shrink:0}.build-expanded .build-feedback{display:block}@media(max-width:740px){.studio.build-expanded{inset:4px}.build-expanded .build-instruction{font-size:9px;min-height:34px;padding:6px 10px}.build-expanded .build-tool{min-width:39px;font-size:7px}.build-expanded .shelf-label{display:none}.build-expanded .piece-shelf{flex-wrap:nowrap}.build-expanded .build-context-actions .btn{min-height:30px}.build-expand{min-width:40px}}

.build-context-actions{min-height:34px;flex-wrap:nowrap;overflow-x:auto;margin-top:7px}.build-context-actions .btn{flex-shrink:0}.build-expanded .build-context{height:80px;flex:0 0 80px;overflow:hidden}.build-expanded .build-context-actions{margin-top:7px}.build-expanded .build-options{flex-wrap:nowrap;white-space:nowrap}.build-expanded .build-context-actions .btn{min-height:30px}@media(max-width:450px){.build-expanded .build-options{gap:5px}.build-expanded .build-options label{font-size:8px}}

/* Material shelves and a stable direct-manipulation workspace. */
.material-drawer{flex-shrink:0;background:#f1f5ec;border-top:1px solid #dbe5d4;border-bottom:1px solid #dfe7d8}.material-tabs{display:flex;align-items:center;gap:4px;padding:7px 10px 4px;overflow-x:auto}.material-tabs button{flex-shrink:0;border:0;border-radius:6px;background:transparent;padding:7px 10px;min-height:30px;font-size:10px;color:#76836d}.material-tabs button.active{background:#fff;color:#28563c;box-shadow:0 1px 4px #31512b0d;font-weight:700}.material-tabs>span{font-size:9px;color:#8c9784;margin-left:auto;white-space:nowrap;padding-right:6px}.material-tabs small{color:inherit;margin-left:4px;font-size:9px}.shelf-items{display:flex;gap:5px;padding:5px 12px 8px;overflow-x:auto;min-height:78px;align-items:center}.shelf-items .shelf-piece{min-width:74px;max-width:100px;flex:1;flex-shrink:0;min-height:65px;padding:3px 5px}.shelf-items .shelf-piece svg{width:43px;height:43px}.shelf-items .shelf-piece span{font-size:8px;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.shelf-empty{font-size:11px;line-height:1.6;color:#7c8d73;margin:auto;padding:10px}.saved-material{position:relative;flex:0 0 84px;max-width:110px}.saved-material .shelf-piece{width:100%}.remove-material{position:absolute;right:0;top:-2px;border:0;background:#fff9;border-radius:50%;width:18px;height:18px;font-size:14px;color:#8a9782;opacity:.3}.saved-material:hover .remove-material,.remove-material:focus{opacity:1}.material-paint{display:flex;align-items:center;gap:7px;min-height:29px;overflow-x:auto;margin-top:5px;white-space:nowrap}.material-paint>span{font-size:9px;color:#86907d;margin-right:3px}.paint-chip{width:19px;height:19px;min-width:19px;min-height:19px;flex-shrink:0;border-radius:50%;border:2px solid white;padding:0;box-shadow:0 0 0 1px #d6ded0}.paint-chip.active{box-shadow:0 0 0 2px #526e4b}.paint-divider{height:16px;border-left:1px solid #d6dece;margin:0 4px}.context-link{border:0;background:transparent;padding:4px 6px;font-size:9px;color:#6a7c60;white-space:nowrap}.context-link:hover{background:#f0f4e9;border-radius:5px}.build-tool{min-width:49px}.build-expanded .build-context{height:112px;flex:0 0 112px}.build-context-actions{margin-top:5px!important}.build-expanded .build-context-actions{margin-top:5px!important}.build-context-actions .btn{font-size:10px}.construction-stage [data-handle=scale]{cursor:nwse-resize}.construction-stage [data-handle=rotate]{cursor:crosshair}
@media(max-width:740px){.material-tabs{padding:5px 7px 3px;gap:2px}.material-tabs button{font-size:9px;padding:6px 8px}.material-tabs>span{display:none}.shelf-items{padding:4px 8px 6px;gap:3px;min-height:71px}.shelf-items .shelf-piece{min-width:64px;min-height:60px}.shelf-items .shelf-piece svg{height:38px;width:38px}.shelf-items .shelf-piece span{font-size:7px}.build-tool{min-width:39px}.build-expanded .build-context{height:109px;flex-basis:109px}.material-paint{gap:5px}.material-paint>span{font-size:8px}.paint-chip{width:18px;height:18px;min-width:18px}.build-context-actions .btn{font-size:9px;padding:5px 8px}.context-link{font-size:8px}.build-toolbar{gap:2px}.remove-material{opacity:.65}}

.construction-stage{position:relative}.build-operation-status{position:absolute;left:12px;bottom:10px;max-width:calc(100% - 24px);padding:6px 10px;border:1px solid #dce6d4;border-radius:7px;background:#fffffff0;font-size:10px;line-height:1.5;color:#4e7057;pointer-events:none}@media(max-width:740px){.build-operation-status{font-size:9px;left:8px;bottom:8px;max-width:calc(100% - 16px)}}