/* AEV-20260909-12: a focused learning surface over saved evidence. */
body .app-shell>.mobile-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
body .archived-workspaces{border-top:1px solid var(--border);padding-top:.7rem;margin-top:.5rem}
body .archived-workspaces summary{min-height:44px;font-size:.875rem;cursor:pointer}
body .archived-workspaces button{width:100%;min-height:44px;text-align:left}
.learning-brain{min-width:0;color:var(--text);font-size:1rem;line-height:1.55}
.learning-brain *{box-sizing:border-box}
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.learning-brain small{display:block;font-size:.8rem;color:var(--muted);line-height:1.5;overflow-wrap:anywhere}
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.learning-brain button{min-height:44px;border:1px solid var(--border);border-radius:9px;background:transparent;padding:.5rem .8rem;cursor:pointer;font-size:.875rem;font-weight:500;text-align:center;white-space:normal}
.learning-brain button:hover{background:var(--product-wash)}
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.learning-brain input:not([type=checkbox]),.learning-brain select,.learning-brain textarea{display:block;width:100%;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);padding:.6rem .7rem;min-height:44px;font-size:1rem}
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.learning-brain .brain-practice li{margin:.7rem 0}
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.learning-brain input[type=checkbox]{width:18px;height:18px;flex:0 0 18px;margin-top:.25rem;accent-color:var(--product-accent)}
.learning-brain .brain-source-list article{display:grid;gap:.25rem;padding:.7rem 0;border-bottom:1px solid var(--border-soft)}
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.learning-brain .brain-feedback{min-height:1.5rem;margin:.6rem 0 0;font-size:.875rem}
.learning-brain .brain-feedback[role=alert]{color:var(--danger)}
.learning-brain .brain-empty{text-align:center;padding:3rem 1.25rem;background:var(--surface);border:1px solid var(--border-soft);border-radius:14px}
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@media(prefers-reduced-motion:reduce){.learning-brain *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}