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@media(min-width:1500px){.intro{padding-top:34px}}@media(max-width:1050px){.engine-workspace{grid-template-columns:minmax(0,1.45fr) minmax(260px,1fr)}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-panel{padding:17px}.brand span{display:none}.scene-tabs{flex:1 1 100%}}@media(max-width:760px){main{padding:0 18px}.masthead{padding:10px 18px}.masthead nav{font-size:.8rem;gap:12px}.brand img{width:128px}.intro{padding-top:22px}.intro>p:last-child{font-size:.95rem}.language-bar{align-items:start;gap:10px;flex-direction:column}.language-bar button{padding:.4rem .7rem}.engine-workspace{grid-template-columns:1fr}.engine-top{gap:12px}.engine-top h2{font-size:1.25rem}.scene-context{padding:13px;gap:10px}.scene-region{max-width:80px;overflow-wrap:anywhere}.engine-tools{gap:14px}.engine-tools label{width:100%}.engine-tools select{width:100%}.reading-panel{padding:20px}.reading-panel>h2{font-size:1.55rem}.sliders{gap:12px}.space-actions{align-items:start}.resource-grid{grid-template-columns:1fr}.about-section{grid-template-columns:1fr;gap:20px}footer{flex-direction:column;gap:15px}.scene-tabs button{flex:1}.section-heading{align-items:start;flex-wrap:wrap}.portfolio-section{margin-top:28px}.sliders output{float:none;margin-left:6px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* v04: the current explanation follows the shared 3D space below it. */
.engine-workspace{display:block}.space-panel{overflow:hidden}.space-heading{gap:14px;flex-wrap:wrap}#space-focus{color:#b8f5e5;font-size:1rem;max-width:55%;overflow-wrap:anywhere}.touch-mode{display:flex;gap:10px 20px;align-items:center;flex-wrap:wrap;padding:0 18px 8px;color:#c0d7e1;font-size:.875rem}.touch-mode label{display:flex;align-items:center;gap:8px;cursor:pointer;min-height:44px}.touch-mode input{width:19px;height:19px;accent-color:#78e8d5}.touch-mode>span{color:#a0c1ca;font-size:.875rem;max-width:44rem}.reading-panel{margin-top:18px;padding:24px;border-top:3px solid #1c8476}.reading-heading{margin-bottom:18px}.reading-heading h2{font-size:1.75rem;overflow-wrap:anywhere}.reading-heading .context-note{margin:5px 0 0}.guided-reading{display:grid;grid-template-columns:minmax(220px,.85fr) minmax(0,2.5fr);gap:24px;align-items:start}.jarvis-guide-card{display:flex;flex-direction:column;align-items:center;background:#f0f7f6;border-radius:10px;padding:16px;min-width:0}.jarvis-character{display:block;width:144px;height:auto;border-radius:9px;margin-bottom:12px;max-width:100%}.jarvis-guidance{display:block;margin:0;padding:0;border:0;width:100%}.jarvis-guidance strong{font-size:1rem}.jarvis-guidance p{font-size:1rem;line-height:1.65;color:#234b50}.jarvis-guidance .guidance-scope{font-size:.8rem;color:var(--muted);margin:12px 0 0}.jarvis-guidance button{font-size:.875rem;margin-top:12px;width:100%;white-space:normal}.comparison-readings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:stretch}.reading-block{margin:0 0 12px}.comparison-readings .reading-block{margin:0}.reading-block>strong{font-size:.95rem;color:var(--ink);margin-bottom:8px}.reading-provenance{display:block;color:var(--muted);font-size:.8rem;margin-top:14px}.reading-actions{justify-content:flex-end;gap:10px;margin-top:20px}.reading-actions button{min-height:44px}.reading-actions button:first-child{width:auto}.relation-chip small,.resource-card .resource-meta{font-size:.875rem}.space-help{font-size:.875rem}#jarvis-space [data-node]:focus-visible{outline:2px solid #fff;outline-offset:4px}.reading-panel [hidden]{display:none!important}
@media(max-width:1100px){.guided-reading{grid-template-columns:1fr}.jarvis-guide-card{flex-direction:row;align-items:center;gap:18px}.jarvis-character{width:114px;flex-shrink:0;margin:0}.jarvis-guidance button{width:auto}.jarvis-guidance .guidance-scope{margin-top:8px}}
@media(max-width:640px){.comparison-readings{grid-template-columns:1fr}.reading-panel{padding:18px}.jarvis-guide-card{align-items:flex-start;padding:12px;gap:12px}.jarvis-character{width:76px}.jarvis-guidance strong{font-size:.95rem}.jarvis-guidance p{font-size:.95rem}.jarvis-guidance button{margin-left:0}.reading-heading h2{font-size:1.5rem}.reading-actions{justify-content:stretch}.reading-actions button:first-child{width:100%}.space-heading .engine-wordmark{display:none}#space-focus{max-width:65%}.touch-mode{gap:0}.touch-mode>span{padding-bottom:8px}.sliders label{font-size:.875rem}.intro{padding-bottom:12px}}

/* v05: compare one concept in space, then continue through its sources. */
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@media(max-width:640px){.focus-peek{align-items:start;flex-direction:column;gap:8px}.resource-tools{display:grid;grid-template-columns:1fr;width:100%}.resource-tools label{min-width:0;width:100%}.comparison-launch{gap:10px}.comparison-launch button{width:100%}.trail-step{font-size:.875rem}}

/* v06: complete neighborhoods and reproducible classroom views. */
.scene-sharing{display:flex;gap:16px;align-items:center;margin:12px 0 18px;flex-wrap:wrap}.scene-sharing p{font-size:.875rem;color:var(--muted);flex:1;min-width:200px}.scene-sharing button{min-height:44px}.scene-link-panel{background:#eaf3f2;border:1px solid #c2d7d3;padding:16px;border-radius:10px;margin-bottom:18px}.scene-link-panel label{font-size:.875rem;font-weight:650;display:block;margin-bottom:6px}.scene-link-panel input{display:block;width:100%;padding:12px;background:white;border:1px solid #91b4b1;border-radius:6px;font:inherit;min-height:44px}.scene-link-panel p{font-size:.875rem;margin-top:8px;color:var(--teal)}.neighbor-pager{display:flex;align-items:center;justify-content:center;gap:16px;padding:8px 18px 10px;flex-wrap:wrap}.neighbor-pager button{background:#163c4a;color:#d8fff4;border-color:#476975;min-height:44px;font-size:.875rem}.neighbor-pager button:disabled{opacity:.4}.neighbor-pager span{font-size:.875rem;color:#bce6e1}@media(max-width:480px){.neighbor-pager{gap:8px}.neighbor-pager span{order:-1;width:100%;text-align:center}.neighbor-pager button{flex:1}.scene-sharing p{flex-basis:100%;margin-top:0}}