/* Full-viewport model, with independent edge-anchored control panels. */
:root,:root[data-style],:root[data-theme=dark]{color-scheme:light;--bg:#e9e9e9;--surface:#fffffff2;--stage:#e9e9e9;--field:#f1f1f1;--line:#d8d8d8;--text:#222;--muted:#777;--accent:#2458e6;--accent-soft:#e9efff;--accent-text:#2458e6;--handle:#fff;--model-shell:#b5b5b5;--model-drawer:#ececec;--grid-major:#c3c3c3;--grid-minor:#dedede}
html,body{width:100%;height:100%;overflow:hidden;background:var(--stage)}body{font-size:12px}main{display:block;position:absolute;inset:0;margin:0;padding:0;max-width:none}.workspace{position:absolute;inset:0}.stage{display:block;position:absolute;inset:0;border:0;border-radius:0;padding:0;background:transparent;overflow:hidden}.stage>#viewport{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;z-index:0;overflow:hidden}.stage>.spec{position:absolute;top:16px;left:226px;right:304px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:0;gap:8px;z-index:3}.spec>div,.spec>div:first-child,.spec>div+div{padding:10px 12px;border:1px solid var(--line);border-radius:3px;background:var(--surface);gap:4px;min-height:58px}.spec span{font-size:9px}.spec strong{font-size:11px;white-space:normal}.stage>.material-panel{position:absolute;inset:16px auto 16px 16px;width:194px;height:auto;max-height:none;min-height:0;margin:0;padding:16px 12px;border:1px solid var(--line);border-radius:3px;display:flex;z-index:4;overflow:hidden}.material-title{display:flex;flex-direction:column;align-items:stretch;gap:12px;margin-bottom:14px}.material-title>div:first-child{width:100%}.material-families{flex:none;max-width:none}.material-actions{min-width:0;flex:none}.material-grid{grid-template-columns:repeat(3,minmax(0,1fr));max-height:none;overflow-y:auto;flex:1;gap:10px 4px}.material-note{font-size:9px;margin-top:12px}.material-ball{width:25px;height:25px;box-shadow:none}.material-swatch{border-radius:2px;min-height:52px}.main-settings{position:absolute;top:16px;right:16px;bottom:16px;width:272px;height:auto!important;margin:0;overflow:auto;padding:18px;border:1px solid var(--line);border-radius:3px;background:var(--surface);z-index:4;overscroll-behavior:contain}.stage>.stage-toolbar{position:absolute;top:88px;left:226px;right:304px;display:flex;justify-content:space-between;z-index:3}.segmented,.subtle{background:var(--surface);border-radius:3px}.segmented button{padding:7px 12px}.stage>.assembly-dock{position:absolute;left:226px;right:304px;bottom:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px;padding:14px;margin:0;background:var(--surface);border:1px solid var(--line);border-radius:3px;z-index:4}.assembly-dock .dock-group{min-width:0;grid-column:auto;grid-row:auto}.assembly-dock .dock-group+.dock-group{border:0;padding-left:0}.assembly-dock .layer-row{gap:6px}.assembly-dock .count-controls button{width:24px;height:30px}.assembly-dock .set-controls button,.assembly-dock .assembly-controls button{min-height:32px;padding:6px 3px}.assembly-dock .layer-row+.layer-row{margin-top:5px}.stage>.stage-footer{position:absolute;left:226px;right:304px;bottom:10px;font-size:9px;z-index:2}.interaction-hint{display:block}.main-settings #dimensions{display:flex;flex-direction:column;gap:18px}.dimension+.dimension{border-top:1px solid var(--line);padding-top:18px}.section-label{margin-bottom:20px}.precision-control{grid-template-columns:22px 27px minmax(34px,1fr) 27px 22px;gap:3px;margin:10px 0}.precision-control input{font-size:20px}.precision-control input,.precision-control button{height:36px;min-height:36px}.dimension-options{display:flex;flex-direction:column;gap:10px;margin-top:20px}.export{margin-top:20px;padding-top:18px}.export-actions button{font-size:11px;min-height:40px;padding:10px 3px}.export-actions #mf{background:var(--accent);color:white;border-color:var(--accent)}.export-label{margin-top:14px}button,select,.material-families,.theme-switch,.precision-control input,#parts-trigger,.measure-value{border-radius:3px}button{min-width:0}.measure-value{background:#fff;border:1px solid #ccc;box-shadow:none}.panel-switch{display:none}.stage-footer .scale-tag{display:none}
@media(min-width:1600px){.stage>.assembly-dock{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.stage>.material-panel{width:214px}.stage>.spec,.stage>.stage-toolbar,.stage>.assembly-dock,.stage>.stage-footer{left:246px}}
@media(max-height:680px) and (min-width:1101px){.main-settings{padding:14px}.main-settings #dimensions{gap:12px}.dimension+.dimension{padding-top:12px}.section-label{margin-bottom:12px}.precision-control{margin:7px 0}.dimension-options{margin-top:14px}.export{margin-top:14px;padding-top:14px}.stage>.assembly-dock{padding:10px;gap:8px 14px}}
@media(max-width:1100px){.stage>.material-panel{width:170px;inset:14px auto 14px 14px;padding:14px 10px}.main-settings{width:238px;top:14px;right:14px;bottom:14px;padding:14px}.stage>.spec{left:198px;right:266px;top:14px;grid-template-columns:1fr;gap:5px;pointer-events:none}.spec>div,.spec>div:first-child,.spec>div+div{display:none}.spec>div:first-child{display:flex;min-height:0;padding:8px 12px;align-items:center}.spec>div:first-child span{display:none}.stage>.stage-toolbar{left:198px;right:266px;top:62px;gap:6px}.segmented button{padding:7px 8px}.stage>.assembly-dock{left:198px;right:266px;bottom:28px;grid-template-columns:1fr;padding:12px;gap:12px}.stage>.stage-footer{left:198px;right:266px;bottom:8px}.assembly-dock .dock-opening{display:none}.interaction-hint{display:none}.precision-control{grid-template-columns:20px 24px minmax(30px,1fr) 24px 20px;gap:2px}}
@media(max-width:800px),(max-height:500px){.stage>.material-panel,.main-settings,.stage>.assembly-dock{display:none;position:absolute;inset:auto 12px 68px;width:auto;max-height:min(43dvh,360px);height:auto!important;overflow-y:auto;margin:0;background:#fffffff7;border:1px solid var(--line);border-radius:4px;padding:16px;z-index:6}.stage>.material-panel{flex-direction:column;overflow:hidden}.material-title{gap:10px}.material-families{max-width:260px}.material-title{display:grid;grid-template-columns:1fr 1fr}.material-title>div:first-child{grid-column:1}.material-actions{grid-column:1/-1}.material-grid{grid-template-columns:repeat(6,minmax(0,1fr));max-height:180px;flex:auto;gap:8px}.material-note{margin-top:8px}.material-swatch{min-height:48px}.stage>.assembly-dock{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.assembly-dock .dock-sets,.assembly-dock .dock-layers{grid-column:1/-1}.assembly-dock .dock-opening{display:block}.assembly-dock .count-controls button{width:30px;height:34px}.stage>.spec{top:62px;left:12px;right:12px;display:flex;gap:6px}.spec>div,.spec>div:first-child,.spec>div+div{display:flex;flex:1;min-width:0;min-height:54px;padding:8px;align-items:start;border:0;background:#ffffffd9}.spec>div:first-child span{display:block}.spec span{font-size:8px}.spec strong{font-size:10px}.stage>.stage-toolbar{top:12px;left:12px;right:12px}.stage>.stage-footer{bottom:120px;left:16px;right:16px;pointer-events:none;opacity:.75}.stage>.stage-footer .part-legend{display:none}.panel-switch{position:absolute;bottom:max(12px,env(safe-area-inset-bottom));left:12px;right:12px;display:flex;gap:4px;padding:5px;background:#fffffff2;border:1px solid var(--line);border-radius:4px;z-index:10}.panel-switch button{flex:1;border:0;background:transparent;color:#666;min-height:38px;padding:6px;font-size:11px}.panel-switch button[aria-pressed=true]{background:#222;color:white}body[data-panel=dimensions] .main-settings{display:block}body[data-panel=materials] .stage>.material-panel{display:flex}body[data-panel=assembly] .stage>.assembly-dock{display:grid}.main-settings #dimensions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.dimension+.dimension{padding-top:0;border:0}.precision-control{grid-template-columns:1fr 1fr;gap:4px}.precision-control input{grid-column:1/-1;grid-row:1;height:40px}.precision-control button{min-height:32px}.precision-control button[data-step="-0.1"],.precision-control button[data-step="0.1"]{display:none}.range-labels{font-size:8px}.dim-head{font-size:11px}.export{margin-top:16px;padding-top:16px}.dimension-options{flex-direction:row;flex-wrap:wrap;align-items:center;margin-top:16px}.export-actions{max-width:none}.precision-note{font-size:9px}.material-target button{min-height:32px}.segmented button{min-height:34px}.measure-value{font-size:10px;padding:6px}.main-settings input[type=range],.assembly-dock input[type=range]{height:18px;background:linear-gradient(var(--line),var(--line)) center/100% 2px no-repeat}.main-settings input[type=range]::-webkit-slider-thumb,.assembly-dock input[type=range]::-webkit-slider-thumb{width:16px;height:16px}}
@media(max-width:380px){.main-settings #dimensions{gap:8px}.main-settings{padding:12px}.material-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.spec span{font-size:7px}.assembly-dock .count-controls button{width:27px}.panel-switch button{font-size:10px}}
@media(max-height:500px){.stage>.spec{display:none}.stage>.stage-toolbar{top:10px}.stage>.material-panel,.main-settings,.stage>.assembly-dock{max-height:calc(100dvh - 130px)}}