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#material-view[data-focus="interface"] .interactive-stack [data-shape^="tie"]{stroke:#e7c48d;stroke-width:1.3}#material-view[data-focus="surface"] .interactive-stack [data-shape^="film"]{stroke:#f3be99;stroke-width:1.3}.question-options button:focus-visible,.frontier:focus-visible{outline:2px solid var(--coral);outline-offset:4px}

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/* Direct manipulation: the geometry and its connected labels share one target. */
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@media(max-width:1000px){.layer-fields{grid-template-columns:1fr;gap:0}}
@media(max-width:760px){#layer-note{margin-bottom:12px;padding:14px}.canvas-stage .interactive-stack{padding:12px 0;max-height:none}.evolving-pair>div:last-child .interactive-stack{max-height:none}.question-options button{min-height:38px}.canvas-layer .layer-label{font-size:16px}}

.guidance .layer-fields{grid-template-columns:1fr;gap:0}.guidance #layer-note{background:transparent;border:0;border-radius:0;padding:0;margin:0}.guidance #layer-note p{font-size:13px}.guidance #layer-note .small{font-size:12px}.guidance .layer-heading{margin-bottom:20px}.guidance .layer-heading .micro-label{font-size:9px}.guidance .fixed-choice strong{font-size:18px}

.chemistry-target{cursor:pointer;outline:none}.chemistry-hit{fill:transparent;stroke:transparent;stroke-width:1.5}.chemistry-target:hover .chemistry-hit,.chemistry-target[aria-expanded=true] .chemistry-hit{stroke:#dfbd8c66;fill:#dfbd8c03}.chemistry-target:focus-visible .chemistry-hit{stroke:#ffcfaa;stroke-width:2.5}.chemistry-change-ring{fill:none;stroke:#f9e6ca;stroke-width:1.6;stroke-dasharray:4 3;pointer-events:none}.composition-change{border-top:1px solid #c6a88055;border-bottom:1px solid #c6a88033;padding:16px 0;margin:18px 0}.composition-change>.micro-label{font-size:8px;color:#a8bcaa}.composition-change>strong{display:block;font:19px/1.5 var(--heading);color:#e9caaa;margin:8px 0}.composition-change>strong span{color:#a5b8bf;margin:0 5px}.composition-change p{font-size:12px!important}.chemistry-material-link{display:grid;grid-template-columns:165px 1fr;gap:10px;align-items:center;border-top:1px solid #a3bbcd25;padding:10px 18px;background:#10203350}.chemistry-material-link .linked-stack .material-svg{min-height:0;max-height:115px;padding:0}.linked-stack figcaption{display:none!important}.chemistry-material-link .micro-label{font-size:8px;color:#9ebbb3}.chemistry-material-link strong{display:block;color:#e0cfb7;font-size:14px;font-weight:400;margin:7px 0}.chemistry-material-link p{font-size:11px;color:#a9bdc9}.chemistry-material-link .text-action{font-size:10px;margin-top:6px}.interactive-chemistry .viz-residue{pointer-events:none}
@media(max-width:1000px){.chemistry-material-link{grid-template-columns:115px 1fr;padding:12px 8px}.chemistry-material-link strong{font-size:12px}.chemistry-material-link p{font-size:10px}}

.linked-stack text,.linked-stack [data-shape=film-gauge],.linked-stack [data-shape=fraction]{display:none}.linked-stack[data-phase=ceramic] [data-shape^=filler]{stroke:#fff3dd;stroke-width:1}.linked-stack[data-phase=matrix] [data-shape^=film]{stroke:#f2d3ad;stroke-width:1.7}

.scale-trail{display:grid;grid-template-columns:1fr auto 1fr auto 1.15fr;gap:8px;align-items:center;margin-bottom:19px}.scale-trail button{background:transparent;color:#9db5c3;text-align:left;padding:10px 6px;border-bottom:1px solid #a4c5d22c;font:12px/1.45 var(--body);min-height:58px}.scale-trail button span{display:block;font:8px/1.6 monospace;letter-spacing:.07em;color:#7794a7;margin-bottom:5px}.scale-trail button[aria-current]{color:#f2d0b3;border-color:#e6b393}.scale-trail button[aria-current] span{color:#d8ad8f}.scale-trail button:hover{color:#f7d6b8}.scale-trail button:focus-visible{outline:2px solid #ffca9d;outline-offset:2px}.scale-trail i{font-size:19px;font-style:normal;color:#688597}.mission-scene-interactive{position:relative}.mission-hit-map{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.radiator-target{pointer-events:visiblePainted;cursor:pointer;outline:none}.radiator-face{fill:#ffc39b0a;stroke:#e7b58a88;stroke-width:1.2;vector-effect:non-scaling-stroke}.radiator-leader{fill:none;stroke:#eac3a5aa;stroke-width:1;pointer-events:none}.radiator-tag{fill:#142230ed;stroke:#caa98e88;stroke-width:1}.radiator-tag-label{font:13px var(--body);fill:#e9cbb1}.radiator-target:hover .radiator-face,.radiator-target:focus-visible .radiator-face{fill:#ffc39b28;stroke:#ffd2ae;stroke-width:2}.radiator-target:hover .radiator-tag,.radiator-target:focus-visible .radiator-tag{stroke:#ffd2ae;stroke-width:2;fill:#263139}.canvas-stage:focus{outline:none}.studio-page .radiator-callout strong{font-size:12px}
@media(max-width:1000px){.scale-trail{gap:4px}.scale-trail button{font-size:11px;padding:8px 2px}.scale-trail button span{font-size:7px}.studio-page .radiator-callout .quiet{width:auto;margin-left:auto}}
@media(max-width:760px){.scale-trail{margin-bottom:3px}.scale-trail button{min-height:67px;font-size:11px}.scale-trail button span{font-size:7px}.radiator-tag-label{font-size:15px}.studio-page .radiator-callout .quiet{min-height:32px}.studio-page .radiator-callout{gap:10px}}

.scale-trail button{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}

/* A single clipped frame links the three scales without animating page chrome. */
.scale-snapshot{position:absolute;left:0;top:0;z-index:3;pointer-events:none;user-select:none;overflow:hidden}.scale-snapshot *{pointer-events:none!important}.canvas-stage[data-scale-motion]{isolation:isolate}.canvas-stage[data-scale-motion]>#mission-view,.canvas-stage[data-scale-motion]>#material-view{will-change:transform,opacity}
@media(prefers-reduced-motion:reduce){.scale-snapshot{display:none!important}}

.studio-page{overflow-anchor:none}