:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.5;color:#f5f7fb;background:#05070a}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;overflow-x:hidden;background:linear-gradient(180deg,#05070af5,#05070ae6),#05070a}button,input{font:inherit}#xr-stage{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none}.xr-canvas{width:100%;height:100%;display:block}#app{position:relative;z-index:1}.app-shell{width:min(1440px,100%);min-height:100vh;margin:0 auto;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:16px}.eyebrow{margin:0 0 4px;color:#18d2ff;font-size:.82rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2{margin:0;letter-spacing:0}h1{font-size:clamp(2rem,5vw,4rem);line-height:1}h2{font-size:1.2rem;line-height:1.2}.session-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.button{min-height:52px;border:1px solid rgba(245,247,251,.24);border-radius:8px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:10px;color:#f5f7fb;background:#0d1218f5;cursor:pointer}.button:hover:not(:disabled){border-color:#18d2ff}.button:disabled{cursor:not-allowed;opacity:.45}.button.primary{color:#05070a;border-color:#f7d84a;background:#f7d84a;font-weight:900}.button.secondary{background:#111821}.button.danger{border-color:#ff4a4ab3;background:#2a1013}.button-icon{min-width:34px;height:34px;border-radius:8px;display:inline-grid;place-items:center;font-size:.82rem;font-weight:900;color:currentColor;border:1px solid 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#8c96a8;border-radius:8px;padding:12px;background:#05070ab8}.status-item p{margin:8px 0 0;color:#b9c4d6;font-size:.96rem}.status-topline{display:flex;align-items:center;justify-content:space-between;gap:10px}.status-topline span{border-radius:999px;padding:3px 8px;color:#05070a;background:#8c96a8;font-size:.8rem;font-weight:900;white-space:nowrap}.state-available{border-left-color:#4ee383}.state-available .status-topline span{background:#4ee383}.state-partial{border-left-color:#f7d84a}.state-partial .status-topline span{background:#f7d84a}.state-blocked,.state-unavailable{border-left-color:#ff4a4a}.state-blocked .status-topline span,.state-unavailable .status-topline span{color:#fff;background:#ff4a4a}.control-row{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:18px;color:#e6ebf5;font-weight:800}.control-row output{color:#f7d84a}.control-row input{grid-column:1 / -1;width:100%;accent-color:#f7d84a}.mode-group{min-width:0;border:0;margin:0 0 18px;padding:0}.mode-group 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960px){.topbar,.safety-strip{align-items:stretch;flex-direction:column}.session-actions{justify-content:stretch}.button{flex:1 1 150px}.workspace-grid,.status-grid{grid-template-columns:1fr}}@media (max-width: 540px){.app-shell{padding:14px}.segmented,.runtime-list{grid-template-columns:1fr}}