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/* Teaching workbench: readable controls and explicit experimental records. */
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@media(min-width:1600px){.workspace-grid{grid-template-columns:240px minmax(650px,1fr) 310px}.circuit-panel{min-height:600px}}
@media(max-width:1180px){.workspace-grid{grid-template-columns:210px minmax(390px,1fr)}.insight-column{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr 1fr;align-items:start}.training-actions{margin-left:auto}.topbar{gap:14px}.topbar nav{gap:20px}.header-actions{gap:12px}.hero h1>span{display:block;border:0;padding:0;margin:5px 0;font-size:13px}.metrics-strip{grid-template-columns:repeat(3,1fr);row-gap:14px}.metrics-strip article:nth-child(3){border-right:0}}
@media(max-width:760px){main{padding:18px 14px 0}.topbar{padding:10px 14px}.brand b{font-size:12px}.brand em{font-size:10px}.brand small{font-size:9px}.topbar nav{order:3;width:100%;height:35px}.header-actions{margin-left:auto;gap:9px;flex-wrap:wrap}.header-actions .quiet{display:none}.hero{display:block}.hero-tag{margin-top:13px;display:inline-block}.hero h1{font-size:23px}.hero p{font-size:12px}.workspace-grid{display:flex;flex-direction:column}.sidebar,.center-column{width:100%}.experiment-switch{display:none}.sidebar{display:grid;grid-template-columns:1fr 1fr;align-items:start}.parameters,.shared-parameters{min-width:0}.insight-column{display:flex;width:100%}.insight-column>section{width:100%}.training-panel{padding:14px}.training-header{gap:12px}.training-header h2{font-size:18px}.task-picker{margin-left:0;flex:1 1 100%;justify-content:space-between}.task-picker select{max-width:none;min-width:0;flex:1}.training-actions{margin-left:0}.workflow-steps{display:grid;grid-template-columns:1fr 1fr}.workflow-steps span{padding:5px 8px}#taskBriefing{grid-template-columns:1fr;gap:0}.metrics-strip article{padding:0 10px}.metrics-strip b{font-size:17px}.metrics-strip article:first-child b,.metrics-strip article:last-child b{font-size:12px}.metrics-strip span,.metrics-strip small{font-size:10px}.result-grid{grid-template-columns:1fr}.circuit-heading{flex-wrap:wrap;gap:12px}.notebook-toolbar>button{font-size:11px;flex:1}.notebook-fields{padding:0 12px 14px}.assessment-checks li{gap:8px}.assessment-checks li>span{flex-basis:53px}}
@media(max-width:430px){.sidebar{display:flex;flex-direction:column}.sidebar>section{width:100%}.topbar .outline-button{padding:6px 8px}.header-actions{gap:7px}.training-actions{gap:10px}.training-actions .text-button{font-size:10px}.metrics-strip small{line-height:1.4}.result-grid{display:block}.result-grid>section{margin-bottom:14px}}
.is-stale>.distribution,.is-stale>.state-content,.is-stale>#outcomeContent{opacity:.5}.is-stale:after{content:'上次结果 · 当前线路或参数已改变，请重新运行';display:block;font-size:11px;line-height:1.7;color:var(--gold);border-top:1px solid var(--line);padding:8px 13px;background:var(--panel-alt)}

/* Separate ideal, assignment-channel expectation and finite-shot observations. */
.chart-legend{flex-wrap:wrap;font-size:10px;gap:5px}.chart-legend .legend-ideal{background:var(--purple)}.chart-legend .legend-predicted{background:var(--gold);margin-left:5px}.chart-legend .legend-measured{background:var(--mint);margin-left:5px}
.prob-track{height:18px}.prob-ideal,.prob-predicted,.prob-measured{position:absolute;left:0;height:4px;bottom:auto;border-radius:0 2px 2px 0}.prob-ideal{top:0;background:var(--purple);opacity:.8}.prob-predicted{top:7px;background:var(--gold)}.prob-measured{top:14px;background:var(--mint)}.distribution-row{margin-bottom:10px}.distribution-panel{height:auto;min-height:330px}.distribution{height:232px}.plot-foot{color:var(--muted)}
.measure-register{display:flex;flex-wrap:wrap;gap:7px}.measure-register label{display:flex;align-items:center;gap:5px;min-width:52px;border:1px solid var(--line);padding:4px 7px;border-radius:4px;font-size:12px;background:var(--panel-alt)}.sidebar .measure-register input[type=checkbox]{width:14px;height:14px;margin:0;padding:0;accent-color:var(--mint)}