.tws-viewer{margin:0;background:#071c26;color:#edf7f7;font-family:Arial,sans-serif;height:100dvh;min-height:0;display:flex;flex-direction:column;overflow:hidden;color-scheme:dark}
.tws-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 28px;border-bottom:1px solid #ffffff16;flex-shrink:0;z-index:2}
.tws-brand{display:block;color:#a5c0c7;font-size:10px;letter-spacing:.22em;margin-bottom:6px}.tws-header h1{font-size:26px;font-weight:500;letter-spacing:-.05em;margin:0}
.tws-series,.tws-views{display:flex;gap:5px}.tws-viewer button{border:1px solid #ffffff26;background:#ffffff06;color:#d6e8ec;cursor:pointer;font:inherit;min-width:44px;min-height:44px;border-radius:5px;padding:10px 15px;transition:background .15s,color .15s}
.tws-viewer button[aria-pressed=true]{border-color:#9be23f;background:#9be23f;color:#102216}.tws-viewer button:hover{background:#ffffff18}.tws-viewer button[aria-pressed=true]:hover{background:#b1ef61}.tws-viewer :focus-visible{outline:2px solid #b8f36c;outline-offset:4px}
.tws-stage{position:relative;flex:1;min-height:230px;isolation:isolate;background:radial-gradient(ellipse at 50% 42%,#294450 0,#0b2632 42%,#071c26 75%)}
.tws-stage:before{content:"";position:absolute;inset:0;z-index:-1;opacity:.12;background-image:linear-gradient(#9ac3d01a 1px,transparent 1px),linear-gradient(90deg,#9ac3d01a 1px,transparent 1px);background-size:48px 48px}
#twsCanvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab;outline-offset:-5px}#twsCanvas:active{cursor:grabbing}
.tws-readout{position:absolute;left:28px;top:22px;z-index:1;pointer-events:none}.tws-readout p{margin:0 0 12px;display:flex;flex-direction:column;gap:4px}.tws-readout span,.tws-example{font-size:9px;letter-spacing:.1em;color:#aac2cb}.tws-readout strong{font-size:12px;font-weight:500;font-variant-numeric:tabular-nums}.tws-example{position:absolute;right:28px;top:24px;pointer-events:none}
.tws-hint{position:absolute;left:0;right:0;bottom:8px;text-align:center;font-size:10px;letter-spacing:.05em;color:#a6c1ca;pointer-events:none}.tws-zoom{display:flex;flex-direction:column;gap:6px;position:absolute;right:24px;bottom:32px}.tws-zoom button{font-size:22px;padding:4px;background:#0c2531dd}
.tws-controls{display:flex;align-items:center;gap:26px;padding:18px 28px;border-top:1px solid #ffffff16;flex-shrink:0;background:#071c26}.tws-views button{font-size:12px}.tws-explode{display:flex;flex:1;max-width:230px;flex-direction:column;gap:9px;font-size:11px;color:#c0d6dd}.tws-explode input{width:100%;margin:0;accent-color:#9be23f;min-height:24px;cursor:pointer}.tws-detail{margin:0 0 0 auto;max-width:160px;line-height:1.6;font-size:10px;color:#a7c0c8}
.tws-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;text-align:center;padding:24px;background:#071c26}.tws-fallback[hidden]{display:none}.tws-fallback img{max-width:70%;max-height:58%;object-fit:contain;border-radius:8px;background:#fff}.tws-fallback p{font-size:12px;line-height:1.6;color:#bdd1d7;max-width:360px}.tws-fallback a{font-size:13px;color:#a8eb58;text-underline-offset:4px}
.window-3d-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.window-3d-actions .btn{padding:13px 18px;font-size:13px}.window-3d-dialog{position:fixed;inset:0;margin:0;box-sizing:border-box;width:100vw;max-width:none;height:100vh;height:100dvh;max-height:none;border:0;padding:0;background:#071c26;border-radius:0;overflow:hidden;color:#edf7f7;box-shadow:0 30px 100px #0008}.window-3d-dialog::backdrop{background:#010a10d9;backdrop-filter:blur(10px)}.window-3d-dialog__shell{height:100%;display:flex;flex-direction:column}.window-3d-dialog__bar{display:flex;justify-content:space-between;align-items:center;padding:8px 18px;border-bottom:1px solid #ffffff20;gap:16px;flex-shrink:0}.window-3d-dialog__bar h2{margin:0;font-size:13px;font-weight:500;letter-spacing:.04em;color:#c1d6de}.window-3d-dialog__bar button{border:1px solid #ffffff30;background:#ffffff08;color:#fff;border-radius:5px;min-width:44px;min-height:44px;font-size:25px;cursor:pointer}.window-3d-dialog__bar button:focus-visible{outline:2px solid #9be23f;outline-offset:2px}.window-3d-dialog iframe{border:0;display:block;flex:1;width:100%;min-height:0;background:#071c26}html.window-3d-open{overflow:hidden}
@media(max-width:700px){.tws-header{padding:14px 16px}.tws-header h1{font-size:22px}.tws-series button{padding:8px 11px}.tws-readout{left:16px;top:16px}.tws-example{right:16px;top:18px;font-size:8px;max-width:110px;text-align:right;line-height:1.5}.tws-controls{padding:12px 16px;gap:12px;flex-wrap:wrap}.tws-views{flex:1}.tws-views button{flex:1;font-size:11px;padding:9px 10px}.tws-explode{flex:1;max-width:none;min-width:160px}.tws-detail{display:none}.tws-zoom{right:12px;bottom:35px}.tws-hint{font-size:9px;padding:0 60px}.window-3d-dialog{width:100%;height:100dvh;margin:0;border:0;border-radius:0}.window-3d-dialog__bar{padding:calc(6px + env(safe-area-inset-top)) 14px 6px}.tws-controls{padding-bottom:calc(12px + env(safe-area-inset-bottom))}}
@media(max-width:420px){.tws-explode{flex-basis:100%;flex-direction:row;align-items:center;gap:14px}.tws-explode span{white-space:nowrap}.tws-explode input{flex:1;width:0}.tws-views{flex-basis:100%}.tws-readout strong{font-size:10px}.tws-readout p{margin-bottom:8px}}
@media(prefers-reduced-motion:reduce){.tws-viewer button{transition:none}.window-3d-dialog::backdrop{backdrop-filter:none}}

@media(max-height:520px){.tws-stage{min-height:120px}.tws-header{padding:10px 16px}.tws-header h1{font-size:20px}.tws-readout{top:12px}.tws-controls{padding-top:9px;padding-bottom:9px}.tws-hint{display:none}}

/* Assembly tools stay within the viewer; the catalogue keeps its own layout. */
.tws-viewer *{box-sizing:border-box}
.tws-example small{display:block;margin-top:6px;font-size:9px;letter-spacing:0;line-height:1.5}
.tws-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,230px);gap:10px 24px;padding:14px 28px}
.tws-control-row{display:flex;gap:12px;align-items:center;min-width:0}
.tws-control-row>button,.tws-sash-mode button{font-size:11px}
.tws-views{min-width:0}.tws-views button{white-space:nowrap}
.tws-explode{width:100%;min-width:0;max-width:none;gap:3px}
.tws-sash-mode{display:flex;gap:5px;min-width:0}
.tws-sash-mode button{padding:8px 13px}
.tws-detail{max-width:none;margin:0;font-size:9px}
.tws-selected{position:absolute;left:28px;bottom:32px;max-width:calc(100% - 110px);margin:0;padding:7px 10px;border-radius:4px;background:#071c26e8;font-size:11px;line-height:1.5;color:#b8f36c;pointer-events:none}
.tws-selected:empty{display:none}
.tws-parts-panel{position:absolute;z-index:4;inset:12px 12px 12px auto;display:flex;flex-direction:column;width:340px;max-width:calc(100% - 24px);padding:0 16px 16px;border:1px solid #7296a354;border-radius:9px;background:#0a222ef5;box-shadow:0 14px 50px #0007;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#63818b #0a222e}
.tws-parts-panel[hidden]{display:none}
.tws-parts-panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:1;margin:0 -16px;padding:8px 8px 8px 16px;background:#0a222e;border-bottom:1px solid #ffffff1a}
.tws-parts-panel__head h2{font-size:16px;font-weight:500;margin:0}
.tws-parts-panel__head button{font-size:23px;padding:4px;flex-shrink:0}
.tws-part-summary{font-size:10px;color:#b5cbd3;line-height:1.6;margin:12px 0}
.tws-layers{display:grid;grid-template-columns:1fr 1fr;gap:4px 8px;padding-bottom:12px;border-bottom:1px solid #ffffff1a}
.tws-layers label{display:flex;align-items:center;gap:7px;min-height:36px;font-size:10px;line-height:1.4;cursor:pointer}
.tws-layers label:first-child{grid-column:1/-1;color:#c8f7a0}
.tws-layers input{accent-color:#9be23f;width:16px;height:16px;flex-shrink:0;margin:0}
.tws-part-list{list-style:none;padding:0;margin:0}
.tws-part-category{font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:#b0c8d2;margin:20px 0 7px}
.tws-part-list .tws-part-item{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 10px;border:0;border-top:1px solid #ffffff13;border-radius:0;padding:10px 3px;text-align:left;font-size:11px;line-height:1.4}
.tws-part-item strong{font-weight:500;overflow-wrap:anywhere}.tws-part-item span{grid-column:1;font-size:10px;color:#abc3cd}.tws-part-item span:empty{display:none}.tws-part-item small{grid-column:2;grid-row:1/3;align-self:center;color:#ccf4b0;white-space:nowrap;font-size:10px}
.tws-assembly-note{font-size:10px;line-height:1.7;color:#aac1ca;margin:20px 0 0;padding-top:12px;border-top:1px solid #ffffff1a}
.tws-viewer button:disabled{opacity:.38;cursor:default}.tws-layers input:disabled{opacity:.4;cursor:default}
.tws-fallback{gap:8px;padding:12px 20px;background:transparent}
.tws-fallback img{max-width:100%;max-height:calc(100% - 95px);border-radius:0;background:transparent}
.tws-fallback p{margin:0;font-size:11px}.tws-fallback a{font-size:11px}
[data-tws-renderer=preview] .tws-hint,[data-tws-renderer=preview] .tws-zoom{display:none}
@media(max-width:700px){
  .tws-controls{padding:10px 14px calc(10px + env(safe-area-inset-bottom));grid-template-columns:minmax(0,1fr) auto;gap:8px 10px}
  .tws-control-row{display:contents}.tws-views{grid-column:1/-1;width:100%}.tws-views button{font-size:11px;padding:7px;flex:1}
  .tws-sash-mode{grid-column:1;grid-row:2}.tws-sash-mode button{font-size:10px;padding:6px 8px;flex:1;min-width:0}
  [data-tws-composition]{grid-column:2;grid-row:2;padding:6px 10px!important;font-size:10px!important}
  .tws-explode{grid-column:1/-1;grid-row:3;flex-direction:row;align-items:center;gap:14px;font-size:10px}
  .tws-explode span{white-space:nowrap}.tws-explode input{flex:1;width:0}
  .tws-selected{left:14px;bottom:32px;font-size:10px}.tws-detail{display:none}
  .tws-parts-panel{inset:8px 8px 8px auto;max-width:calc(100% - 16px)}
}
@media(max-height:520px) and (min-width:701px){.tws-controls{padding:8px 16px;gap:5px 20px}.tws-viewer button{padding-top:6px;padding-bottom:6px}.tws-parts-panel{inset:6px 8px 6px auto}}
@media(max-height:520px) and (max-width:700px){.tws-header{padding:7px 12px}.tws-brand{display:none}.tws-controls{grid-template-columns:minmax(0,1fr) auto;gap:5px;padding:6px 12px}.tws-views{grid-column:1;grid-row:1}.tws-sash-mode{grid-row:2}.tws-explode{grid-column:2;grid-row:2;flex-direction:column;gap:0;max-width:120px}.tws-explode input{width:100%;flex:none}.tws-control-row>[data-tws-composition]{grid-row:1}.tws-example,.tws-readout{display:none}.tws-stage{min-height:0}}

/* Full-viewport dialog; native fullscreen keeps the same accessible controls. */
.window-3d-dialog__actions,.tws-header__actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.window-3d-dialog__bar h2{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tws-header__actions .tws-series{flex-shrink:0}
.tws-fullscreen,.window-3d-dialog__bar .tws-fullscreen{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:12px Arial,sans-serif;white-space:nowrap}
.tws-fullscreen svg{flex-shrink:0}.tws-fullscreen[hidden]{display:none}
.window-3d-dialog__shell:fullscreen{width:100vw;height:100vh;height:100dvh;background:#071c26}
.window-3d-dialog__bar .tws-fullscreen[aria-pressed=true]{background:#9be23f;border-color:#9be23f;color:#102216}
.window-3d-dialog__bar{padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right));padding-top:max(6px,env(safe-area-inset-top));padding-bottom:6px}
@media(max-width:700px){.tws-header{gap:10px}.tws-header__actions{gap:8px}.tws-fullscreen [data-fullscreen-label]{display:none}.tws-fullscreen,.tws-header__actions .tws-fullscreen{width:44px;min-width:44px;padding:8px}.window-3d-dialog__actions{gap:6px}.window-3d-dialog__bar h2{font-size:11px}}
@media(max-width:420px){.tws-header .tws-brand{font-size:9px;letter-spacing:.12em}}

.viewer-auto{white-space:nowrap;font-size:12px!important}.viewer-auto:before{content:"";display:inline-block;width:16px;height:16px;margin-right:7px;vertical-align:middle;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M20 7V2l-2 2a9 9 0 1 0 3 10h-3a6 6 0 1 1-2-8l-2 1z'/%3E%3C/svg%3E") center/contain no-repeat}.viewer-auto[aria-pressed=true]:before{mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 4h4v16H6zm8 0h4v16h-4z'/%3E%3C/svg%3E") center/contain no-repeat}
@media(max-width:700px){.tws-header__actions .viewer-auto{width:44px;min-width:44px;padding:8px;font-size:0!important}.viewer-auto:before{margin:0}.tws-header__actions{gap:5px}}
@media(max-width:360px){.tws-header{flex-wrap:wrap;gap:8px}.tws-header__actions{width:100%;justify-content:space-between}}