.assembly-shell{border:1px solid #3cdbea45;border-radius:20px;overflow:hidden;background:#080e19;box-shadow:0 0 90px #1dbacc0c}.assembly-top{display:flex;justify-content:space-between;gap:15px;padding:18px 24px;border-bottom:1px solid #ffffff15;font:11px 'DM Sans',Arial,sans-serif;letter-spacing:1.6px;color:#a1b5c9}.assembly-top i{display:inline-block;width:6px;height:6px;background:#52edd5;border-radius:50%;margin-right:8px;box-shadow:0 0 12px #52edd5}.assembly-layout{display:grid;grid-template-columns:180px minmax(0,1fr) 230px;min-height:540px}.assembly-menu{padding:28px 16px;border-right:1px solid #ffffff12;background:#0c132080}.assembly-menu>.eyebrow{font-size:10px;letter-spacing:1px}.assembly-menu>button{width:100%;text-align:left;border:1px solid transparent;border-bottom-color:#ffffff16;background:transparent;padding:23px 10px;display:grid;grid-template-columns:1fr 20px;gap:10px;border-radius:8px}.assembly-menu>button small{color:#829aad;font-size:11px;grid-column:span 2}.assembly-menu>button strong{font-size:14px;font-weight:500}.assembly-menu>button>span{color:#72889a}.assembly-menu>button[aria-pressed=true]{border-color:#3addea52;background:linear-gradient(120deg,#32dbe91a,transparent);box-shadow:inset 2px 0 #46e0ec}.assembly-menu>button[aria-pressed=true] strong{color:#6be9ef}.assembly-menu p{font-size:12px;line-height:1.9;color:#839aaf;margin:28px 6px 0}.assembly-stage{position:relative;min-width:0;height:560px;overflow:hidden;background:radial-gradient(ellipse at 45% 40%,#123f5466,transparent 55%),radial-gradient(ellipse at 85% 75%,#4c1e4a44,transparent 65%),#080e19}.assembly-stage canvas{display:block;touch-action:none;position:relative;z-index:1;cursor:grab}.assembly-stage canvas:active{cursor:grabbing}.stage-corner{position:absolute;z-index:2;pointer-events:none;top:22px;left:22px;font:10px 'DM Sans',Arial,sans-serif;color:#5dc9d6;letter-spacing:1.6px;line-height:1.9}.stage-corner>span:last-child{color:#8297ad;font-size:9px}.stage-readout{position:absolute;z-index:2;pointer-events:none;bottom:23px;left:22px;right:22px;display:flex;justify-content:space-between;gap:10px;font-size:10px;letter-spacing:1px;color:#8fa7ba}.stage-readout>span:first-child{color:#54d6df}#assembly-label{position:absolute;z-index:3;transform:translate(-50%,-100%);pointer-events:none;max-width:190px;padding:10px 12px;border:1px solid #58e4ee80;border-radius:7px;background:#0c1924ed;box-shadow:0 0 20px #3de2e920;color:#b9f7fa;font-size:11px;text-align:center}#assembly-label:after{content:'';position:absolute;top:100%;left:50%;height:25px;width:1px;background:#58e4ee80}.assembly-inspector{padding:28px 20px;border-left:1px solid #ffffff14;background:linear-gradient(145deg,#132033bb,#12122399)}.assembly-inspector>.eyebrow{font-size:10px}.assembly-inspector h3{font-family:'Space Grotesk',Arial,sans-serif;font-size:25px;line-height:1.15;font-weight:400;margin:20px 0 14px}.assembly-inspector>p{font-size:12px;line-height:1.85;color:#a0b0c2;min-height:110px}.assembly-inspector label{display:block;font-size:11px;color:#91a3b6;margin:22px 0 8px}.assembly-inspector select{width:100%;font-size:11px;padding:10px 6px;border:1px solid #3a5163;border-radius:5px;background:#101d2a;color:#d4e4ef}.selected-part{margin:22px 0}.selected-part small{font-size:9px;letter-spacing:1px;color:#7d9aaf}.selected-part strong{display:block;font-size:15px;font-weight:500;color:#78e6ec;margin:9px 0}.selected-part p{font-size:12px;line-height:1.7;color:#a0b0c2;min-height:60px}#assembly-reset{font-size:12px;background:transparent;border:0;color:#bdcfdd;padding:8px 0}.assembly-toolbar{padding:20px;display:flex;align-items:center;gap:14px;border-top:1px solid #ffffff18;background:#0d1523}.assembly-toolbar button{border:1px solid #35526a;background:#13283a;color:#c6e3ef;border-radius:6px;padding:11px 13px;font-size:12px;white-space:nowrap}.assembly-toolbar #assembly-play{background:#54e2e7;border-color:#54e2e7;color:#06202b;min-width:138px}.assembly-toolbar button[aria-pressed=true]{border-color:#59e5e9;color:#69f4e7}.assembly-toolbar #assembly-play[aria-pressed=true]{color:#06202b}.assembly-toolbar label{white-space:nowrap;font-size:11px;color:#9fb4c5}.assembly-toolbar output{display:block;color:#d7f6fa;font-size:15px;margin-top:4px}.assembly-toolbar input{flex:1;min-width:50px;width:auto;margin:0;accent-color:#58e3e8}.assembly-note{padding:0 20px 18px;background:#0d1523;color:#859aad;font-size:11px;line-height:1.7}#assembly-error{position:absolute;inset:30% 10%;font-size:15px;color:#dcbe8e;line-height:1.8;z-index:5}
@media(max-width:1150px){.assembly-layout{grid-template-columns:145px minmax(0,1fr) 195px}.assembly-inspector{padding:25px 15px}.assembly-inspector h3{font-size:22px}.assembly-stage{height:510px}.assembly-menu{padding:25px 9px}.assembly-toolbar{gap:10px;padding:16px}.assembly-toolbar button{font-size:11px;padding:10px}.assembly-toolbar #assembly-play{min-width:120px}.assembly-top{font-size:10px}}
@media(max-width:850px){.assembly-layout{grid-template-columns:minmax(0,1fr) 215px}.assembly-menu{grid-column:span 2;display:flex;align-items:center;gap:10px;padding:14px;border-right:0;border-bottom:1px solid #ffffff15}.assembly-menu>button{padding:12px 10px;flex:1;grid-template-columns:20px 1fr;gap:6px}.assembly-menu>button small{grid-column:auto}.assembly-menu>button strong{font-size:12px}.assembly-menu>button>span,.assembly-menu p,.assembly-menu>.eyebrow{display:none}.assembly-stage{height:520px}.assembly-toolbar{flex-wrap:wrap}.assembly-toolbar input{min-width:90px}.assembly-toolbar #assembly-orbit{margin-left:auto}.assembly-top>span:last-child{display:none}}
@media(max-width:550px){.assembly-shell{border-radius:13px}.assembly-layout{display:flex;flex-direction:column}.assembly-menu{gap:5px;padding:10px}.assembly-menu>button{display:block;padding:10px 7px;min-width:0}.assembly-menu>button small{display:block;margin-bottom:5px}.assembly-menu>button strong{font-size:11px;line-height:1.4}.assembly-stage{height:390px}.stage-corner{top:15px;left:15px;font-size:9px}.stage-readout{left:15px;right:15px;font-size:9px}.assembly-inspector{border-left:0;border-top:1px solid #ffffff15;padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.assembly-inspector>.eyebrow,.assembly-inspector>h3,.assembly-inspector>p{grid-column:span 2}.assembly-inspector>p{min-height:0}.assembly-inspector h3{margin:12px 0}.assembly-inspector label{grid-column:span 2;margin-top:15px}.assembly-inspector select{grid-column:span 2;font-size:12px;padding:12px}.selected-part{grid-column:span 2;margin:20px 0 8px}.selected-part p{min-height:0}.selected-part small{font-size:10px}.assembly-inspector #assembly-reset{text-align:left;grid-column:span 2}.assembly-toolbar{padding:16px;gap:12px}.assembly-toolbar #assembly-play{flex:1}.assembly-toolbar #assembly-join{flex:1}.assembly-toolbar label{order:3;min-width:62px}.assembly-toolbar input{order:4;flex:1;width:calc(100% - 165px);min-width:40px}.assembly-toolbar #assembly-split{order:5}.assembly-toolbar #assembly-orbit{order:6;margin:0;width:100%}.assembly-note{padding:0 16px 16px}.assembly-top{padding:16px;font-size:9px;letter-spacing:1px}}
@media(max-width:550px){.assembly-shell{display:flex;flex-direction:column}.assembly-layout{display:contents}.assembly-top{order:0}.assembly-menu{order:1;display:flex}.assembly-stage{order:2;flex:none}.assembly-toolbar{order:3}.assembly-inspector{order:4}.assembly-note{order:5;padding-top:16px}}
@media(max-width:550px){.assembly-menu{display:grid;grid-template-columns:1fr 1fr}.assembly-menu>button{height:100%;text-align:left}.assembly-menu>button strong{font-size:12px}}
@media(max-width:550px){.assembly-toolbar{display:grid;grid-template-columns:1fr 1fr;gap:12px}.assembly-toolbar #assembly-play,.assembly-toolbar #assembly-join{min-width:0;width:100%}.assembly-toolbar label{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center}.assembly-toolbar output{display:inline;margin:0}.assembly-toolbar input{grid-column:1/-1;width:100%;min-width:0;height:24px}.assembly-toolbar #assembly-orbit{width:100%;margin:0;white-space:normal}.assembly-toolbar #assembly-split{width:100%}}