.topic-page .title-orbit{border-color:var(--soft)}.topic-page .controls{background:color-mix(in srgb,var(--soft) 50%,#f3f4f2)}.topic-page .lab-intro{background:var(--soft)}.topic-page .mode-link{background:var(--soft);border-color:var(--primary)}.topic-page .workspace-title .eyebrow #topic-code{margin:0;color:var(--primary);font-weight:600;letter-spacing:.13em}.topic-phenomenon{min-width:0}#scene-content{background:var(--surface);border-radius:6px}#scene-content>svg{display:block;width:100%;height:auto}#scene-content svg text,.history-graph svg text{font-family:inherit;fill:var(--depth);font-size:22px;font-variant-numeric:tabular-nums}#scene-content svg .tick,.history-graph svg .tick{font-size:17px;fill:var(--muted)}#scene-content svg .side-label{font-size:18px;fill:var(--muted)}.selected-tick{font-weight:700}.topic-page .measurements{padding:20px 0 14px}.topic-page .measurements strong{font-size:28px}.field-label{display:block;font-size:15px;margin-bottom:12px}.topic-page .parameter select{max-width:none;width:100%;font-size:15px;min-height:46px;background:var(--surface)}.topic-page input[type=number]{width:100%;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:16px;min-height:46px}.range-with-buttons{display:flex;align-items:center;gap:10px}.range-with-buttons button{min-width:36px;min-height:44px;background:transparent;color:var(--depth);font-size:20px;border-radius:6px}.range-with-buttons input{min-width:0}.topic-page .range-bounds{padding:0 46px;font-size:12px}.topic-page .check-row{font-size:14px;line-height:1.7;margin-bottom:16px}.topic-page .check-row input{flex-shrink:0}.topic-page .parameter{margin-bottom:25px}.topic-page .step-button{width:100%;min-height:44px;background:transparent;border:1px solid #c3d1cd;border-radius:8px;margin-top:10px;font-size:14px;color:var(--depth)}#topic-advanced{border-top:1px solid var(--line)}#topic-advanced>summary{display:flex;justify-content:space-between;align-items:center;min-height:56px;font-size:14px}#topic-advanced>summary span{font-size:20px}#topic-advanced[open]>summary span{transform:rotate(45deg)}.observation-caption{font-size:14px;line-height:1.9;color:var(--muted);margin:12px 0 20px}.ratio-list{border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding:18px 0;gap:12px}.ratio-list>div{display:flex;flex-direction:column;gap:10px}.ratio-list span{font-size:14px}.ratio-list strong{font-size:24px;font-weight:500;color:var(--primary);font-variant-numeric:tabular-nums}.history-graph{border-top:1px solid var(--line);padding-top:20px}.history-graph h2{font-size:14px;font-weight:500;line-height:1.7}.history-graph svg{width:100%;display:block;max-height:230px}.graph-key{display:flex;flex-wrap:wrap;gap:20px;font-size:12px;color:var(--muted);margin:0 0 10px}.data-table{border-top:1px solid var(--line);font-size:14px}.data-table summary{padding:16px 0;text-decoration:underline;text-underline-offset:4px}.data-table table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:9px 12px;text-align:right;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}.data-table th:first-child{text-align:left}.topic-page .focused{outline:1px solid var(--primary);outline-offset:8px;border-radius:5px}.paragraph-flow{display:flex;align-items:center;flex-wrap:wrap;gap:9px;padding:18px 0;background:var(--bg);font-size:13px;line-height:1.8}.paragraph-flow span{border-bottom:2px solid var(--role-color);padding:2px 0}.paragraph-flow b{font-weight:400;color:var(--muted)}.paragraphs{background:var(--bg)}.paragraph-block{border-left:3px solid var(--role-color);background:var(--surface);padding:18px 20px;margin-bottom:16px}.paragraph-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}.paragraph-heading>span{color:var(--role-color);font-size:13px}.paragraph-heading button{min-height:44px;padding:4px 8px;font-size:12px;background:transparent;color:var(--muted)}.paragraph-block>p{font-size:17px;line-height:2;margin:8px 0 15px}.paragraph-block details{font-size:14px;color:var(--muted);line-height:1.9}.paragraph-block summary{min-height:44px;padding:9px 0;text-decoration:underline;text-underline-offset:4px}.paragraph-block details p{margin:6px 0 0}.topic-page:is([data-topic=structure],[data-topic=argument]) .experiment-layout{grid-template-columns:minmax(0,1.85fr) minmax(290px,1fr)}
.catalog{display:grid;grid-template-columns:1fr 1fr;gap:24px}.catalog .theme-entry{display:flex;flex-direction:column;min-height:0}.catalog .theme-art{min-height:210px;padding:32px 24px 8px;background:var(--soft)}.catalog .theme-art svg{height:180px;width:100%}.catalog .theme-copy{padding:26px 30px 28px;flex:1}.catalog .theme-copy h3{font-size:25px;margin:14px 0}.catalog .theme-copy p{font-size:15px;line-height:1.9}.catalog .entry-cta{margin-top:auto;padding-top:20px}.catalog .theme-copy p{margin-bottom:22px}.catalog .art-index{top:16px;left:24px}.catalog .subject-label,.catalog .entry-cta>span{color:var(--primary)}.catalog .theme-art svg text{font-family:inherit;fill:var(--depth);font-size:18px}.catalog .home-preview-label{font-size:14px}.topic-page .controls button:focus-visible{outline-offset:2px}
@media(max-width:850px){.topic-page:is([data-topic=structure],[data-topic=argument]) .experiment-layout{grid-template-columns:1fr}.topic-page .experiment-layout{gap:20px}.topic-page .controls{margin-top:0}.topic-page .topic-phenomenon{position:static}.catalog .theme-copy{padding:24px}.catalog .theme-copy h3{font-size:22px}}
@media(max-width:560px){.catalog{grid-template-columns:1fr;gap:25px}.catalog .theme-art{min-height:180px}.catalog .theme-art svg{height:155px}.catalog .theme-copy h3{font-size:25px}.topic-page .measurements>div>span:first-child{font-size:12px}.topic-page .measurements strong{font-size:24px}.topic-page .measurements small{font-size:11px}.topic-page .measurements{padding:18px 0 10px}.topic-page .controls{padding:22px 20px 8px}.topic-page .parameter-title label{font-size:15px}.topic-page .range-bounds{font-size:12px}.observation-caption{font-size:14px}.ratio-list span{font-size:12px}.ratio-list strong{font-size:22px}.paragraph-block{padding:13px 14px}.paragraph-block>p{font-size:16px}.paragraph-heading{flex-wrap:wrap}.paragraph-heading>span{font-size:13px}.paragraph-heading button{padding:4px 9px}.topic-page .workspace-title h1{font-size:27px}.topic-page .canvas-top{font-size:12px;flex-wrap:wrap}.topic-page .canvas-top>span:last-child{margin-left:auto}.topic-page .home-link{font-size:12px}}
@media(prefers-reduced-motion:reduce){.topic-page *{scroll-behavior:auto!important}}
@media(max-width:850px){.topic-page:is([data-topic=structure],[data-topic=argument]) .controls{order:-1}}
@media(min-width:851px){.topic-page:is([data-topic=structure],[data-topic=argument]) .controls{position:sticky;top:18px}}
@media(max-width:380px){.topic-page .measurements strong{font-size:20px}.topic-page .measurements small{font-size:10px}}
.home-intro{overflow:hidden}


.argument-map{padding:20px;line-height:2.2;background:var(--soft);font-size:14px}.argument-map span{display:inline-block;padding:0 6px}.argument-map p{margin:8px 0 0}.daylight-bar{display:flex;height:24px;border-radius:5px;overflow:hidden;background:#60738a}.daylight-bar span{background:#e8bf72;display:block;height:100%}#scene-content svg .small-tick{font-size:14px}#scene-content svg .sample-value{font-size:19px}.source-note a{text-decoration:underline;text-underline-offset:3px}
.type-share{display:flex;height:20px;border-radius:5px;overflow:hidden;margin-top:14px}.type-share span{display:block;height:100%}

.scene-display-tools{display:flex;justify-content:flex-end;padding:4px 12px 0}.scene-display-tools button{min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:22px;background:transparent;color:var(--depth);font-size:13px}

/* A 600-unit scene is only about 282 CSS pixels wide on a 320px phone. */
@media(max-width:560px){
 .topic-page:not(:is([data-topic=refraction],[data-topic=buoyancy],[data-topic=moon],[data-topic=sound],[data-topic=pixels],[data-topic=maps])) #scene-content svg text,.topic-page:not(:is([data-topic=refraction],[data-topic=buoyancy],[data-topic=moon],[data-topic=sound],[data-topic=pixels],[data-topic=maps])) .history-graph svg text{font-size:26px}
 .topic-page:not(:is([data-topic=refraction],[data-topic=buoyancy],[data-topic=moon],[data-topic=sound],[data-topic=pixels],[data-topic=maps])) #scene-content svg .tick,.topic-page:not(:is([data-topic=refraction],[data-topic=buoyancy],[data-topic=moon],[data-topic=sound],[data-topic=pixels],[data-topic=maps])) .history-graph svg .tick,.topic-page:not(:is([data-topic=refraction],[data-topic=buoyancy],[data-topic=moon],[data-topic=sound],[data-topic=pixels],[data-topic=maps])) #scene-content svg .side-label,.topic-page:not(:is([data-topic=refraction],[data-topic=buoyancy],[data-topic=moon],[data-topic=sound],[data-topic=pixels],[data-topic=maps])) #scene-content svg .sample-value{font-size:26px}
 .topic-page:not(:is([data-topic=refraction],[data-topic=buoyancy],[data-topic=moon],[data-topic=sound],[data-topic=pixels],[data-topic=maps])) #scene-content svg .small-tick{font-size:24px}
 .topic-page[data-topic=genetics] #scene-content svg text{font-size:26px!important}
 .topic-page:not(:is([data-topic=refraction],[data-topic=buoyancy],[data-topic=moon],[data-topic=sound],[data-topic=pixels],[data-topic=maps])) .history-graph svg{max-height:none}
}