.layer-controls{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:6px;padding:7px 0 3px}
.layer-controls button{border:1px solid #e1e1e6;background:#fff;color:#62626b;border-radius:7px;padding:6px 10px;font-size:11px;min-height:30px}
.layer-controls button:hover:not(:disabled){border-color:#d85d29;color:#a3421d;background:#fff8f3}
.layer-controls button:disabled{opacity:.35}
.insert-layer{display:block;width:100%;border:0;background:transparent;color:#a84e29;font-size:11px;min-height:36px;padding:9px 6px;margin:3px 0 9px;border-radius:7px}
.insert-layer:hover:not(:disabled){background:#fff5ee}
.base-warning{font-size:10px;color:#85818a;line-height:1.5;margin:4px 0 8px}
.build-message{font-size:12px;line-height:1.6;color:#77614e;background:#fff9f3;margin:0;padding:12px 28px;border-top:1px solid #f1e7dd}
.stack-confirmation{padding:22px 28px 28px;border-top:1px solid #eeeef2;display:flex;align-items:center;justify-content:space-between;gap:24px}
.stack-confirmation p{color:#717178;font-size:12px;line-height:1.6;margin:0}
.stack-confirmation .primary{width:auto;min-width:180px;flex-shrink:0}
.assembled .tower #add-layer,.assembled .layer-number,.assembled .layer-controls,.assembled .insert-layer,.assembled .base-warning,.assembled .stack-actions{display:none}
.assembled #layers{gap:0}
.assembled .layer-row{animation:none}
.assembled .layer-modules,.assembled .module{gap:0}
.assembled .face{border-radius:0}
.assembled .stack-area{padding-top:48px;padding-bottom:44px}
.assembled .ground{margin-top:3px}
.assembled .builder .assembly-details{margin:24px 0 0;padding-top:18px;border-top:1px solid #e5e5e9}
.assembly-details p{margin:0 0 10px}
@media(max-width:760px){.stack-confirmation{padding:20px;flex-direction:column;align-items:stretch;gap:14px}.stack-confirmation .primary{width:100%}}
@media(max-width:760px){.layer-controls{justify-content:space-between;gap:5px}.layer-controls button{flex:1;min-height:44px;padding:7px 6px}.insert-layer{min-height:44px}.build-message{padding:12px 20px}}