/* Model proof 16: compact stage controls and a circle that fits more comfortably. */
.model-page .structure-section{padding-top:22px;padding-bottom:28px}
.model-page .structure-top{margin-bottom:14px;gap:18px;align-items:center}
.model-page .structure-top>p:last-child{font-size:12px;line-height:1.5;max-width:460px}
.model-page .model-stage-controls button{min-height:66px;padding:10px 14px;font-size:13px;line-height:1.3}
.model-page .model-stage-controls button>span{margin-bottom:5px}
.model-page .model-stage-controls button:focus-visible{outline:3px solid #009A9A;outline-offset:-4px}
.model-page .structure-layout{grid-template-columns:minmax(0,1.15fr) minmax(300px,1fr);gap:46px;align-items:center;margin-top:18px}
.model-page .structure-layout>div:first-child{width:100%;max-width:540px;margin-inline:auto;min-width:0}
.model-page #structure-diagram{width:100%;height:auto;max-width:clamp(390px,calc(100svh - 230px),540px);margin-inline:auto}
.model-page #model-detail{min-width:0}
.model-page #model-stage-title{font-size:clamp(28px,2.5vw,36px);line-height:1.16;margin-bottom:18px}
.model-page #model-stage-copy{font-size:14px;line-height:1.8}
.model-page .model-question{font-size:20px;line-height:1.5;margin-top:20px;padding-top:18px}
.model-page .stage-detail-link{margin-top:14px}
.model-page .structure-note{font-size:11px;line-height:1.6;max-width:none;margin-top:12px}
@media(max-width:1000px){.model-page .structure-layout{grid-template-columns:minmax(0,1fr) minmax(280px,1fr);gap:26px}.model-page .model-stage-controls button{padding-inline:11px;font-size:12px}}
@media(max-width:760px){.model-page .structure-section{padding-top:20px;padding-bottom:25px}.model-page .structure-top{display:block;margin-bottom:14px}.model-page .structure-top>p:last-child{margin-top:9px;max-width:none}.model-page .model-stage-controls button{min-width:120px;min-height:66px;padding:10px 12px;font-size:12px}.model-page .structure-layout{grid-template-columns:1fr;gap:18px;margin-top:18px}.model-page .structure-layout>div:first-child{max-width:460px}.model-page #structure-diagram{max-width:100%}.model-page #model-stage-title{font-size:29px}.model-page #model-stage-copy{font-size:16px}.model-page .structure-note{margin-top:17px}}