.demo-main{--green:var(--accent)}.structure-choice-grid{align-items:start;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.structure-choice{border:1px solid #43535b;border-radius:14px;padding:12px;min-width:0}#structureChoices .structure-choice>label{display:flex;align-items:center;gap:8px;min-height:44px;margin:0;font-weight:700}#structureChoices .structure-choice input{width:22px;height:22px;flex:0 0 22px}.structure-definition summary{font-size:.9rem;color:var(--green);cursor:pointer;padding:9px 0}.structure-definition p{font-size:.95rem;line-height:1.55}.structure-sketch{max-width:300px;margin:10px 0}.structure-sketch svg{display:block;width:100%;height:auto;background:#20353a;border-radius:12px}.structure-sketch path,.structure-sketch ellipse,.structure-sketch circle{stroke:#b2c7c9;stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round}.structure-sketch .green{stroke:#c7e94b}.structure-sketch .surface{stroke:#6ca6ba}.structure-sketch text{fill:#f4f1ea;font:12px system-ui,sans-serif}.structure-unknown{display:flex!important;align-items:center;gap:8px!important;padding:12px 0;font-weight:700}.structure-unknown input{width:22px!important;height:22px}#compareStructures{align-items:start;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}#compareStructures .structure-unknown{grid-column:1/-1}.tour-tools details>summary{cursor:pointer;padding:12px 0;font-weight:700}.tour-tools details+details{border-top:1px solid #43535b;margin-top:16px;padding-top:8px}@media(max-width:650px){.structure-choice-grid{grid-template-columns:1fr}}