.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}*,*:before,*:after{box-sizing:border-box}html{font-family:var(--font-ui);line-height:1.45;color:var(--text-primary);background:var(--surface-app)}body{margin:0;min-height:100vh;min-height:100dvh;cursor:default}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px;box-shadow:0 0 0 3px var(--focus-ring-offset)}button:focus:not(:focus-visible),select:focus:not(:focus-visible){box-shadow:none}.app-shell{--app-sidebar-width: 280px;min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:minmax(220px,var(--app-sidebar-width)) 8px 1fr;grid-template-rows:auto 1fr;grid-template-areas:"toolbar toolbar toolbar" "sidebar sidebar-resize workspace"}.app-shell__sidebar-resize{grid-area:sidebar-resize;cursor:col-resize;background:color-mix(in srgb,var(--surface-panel) 75%,var(--surface-app));border-left:1px solid 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var(--border-subtle);padding:0;font-size:.9rem;overflow:hidden}.sidebar__scroll{flex:1;min-height:0;overflow-y:auto;scrollbar-gutter:auto;-ms-overflow-style:none;scrollbar-width:none;padding:var(--space-4)}.sidebar__scroll::-webkit-scrollbar{width:0;height:0}.sidebar-ia-toolbar{display:grid;gap:var(--space-2);margin-bottom:var(--space-3)}.sidebar-status-row{display:flex;flex-wrap:wrap;gap:var(--space-1)}.sidebar-status-badge{display:inline-flex;align-items:center;padding:.15rem .45rem;border-radius:999px;border:1px solid var(--border-subtle);background:var(--surface-panel);font-size:.72rem;font-weight:600;color:var(--text-secondary)}.sidebar-status-badge--ok{border-color:var(--state-success-border);background:var(--state-success-bg);color:var(--text-primary)}.sidebar-status-badge--error{border-color:var(--state-danger-border);background:var(--state-danger-bg);color:var(--text-primary)}.segmented-control{display:flex;flex-wrap:wrap;gap:6px;padding:4px;border:1px solid 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var(--space-3);font-size:var(--text-xs);line-height:1.5;color:var(--text-muted)}.sidebar-hint--error{color:var(--state-danger-text, #9f1239)}.sidebar-hint code{font-size:.72rem;padding:.1em .35em;border-radius:4px;background:var(--surface-canvas);border:1px solid var(--border-subtle)}.chk{display:flex;align-items:center;gap:var(--space-2);margin:var(--space-2) 0;cursor:pointer;font-size:.88rem}.chk input{width:1.05rem;height:1.05rem;accent-color:var(--accent);cursor:pointer}.sidebar select{width:100%;margin-bottom:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);border:1px solid var(--border-subtle);font-size:.85rem;background:var(--surface-elevated);color:var(--text-primary)}.meta{margin:var(--space-4) 0 0;padding:var(--space-3);display:grid;grid-template-columns:auto 1fr;gap:var(--space-2) var(--space-4);background:var(--surface-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.meta dt{margin:0;color:var(--text-muted);font-size:.8rem}.meta dd{margin:0;font-weight:600;font-size:.88rem}.workspace{grid-area:workspace;display:flex;flex-direction:column;min-height:0;padding:var(--space-3);gap:var(--space-3);background:var(--surface-app)}.workspace-context{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-1);padding:var(--space-2) var(--space-3);border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--surface-panel)}.context-chip{display:inline-flex;align-items:center;gap:var(--space-1);padding:.2rem .5rem;border:1px solid var(--border-subtle);border-radius:999px;font-size:var(--text-sm);color:var(--text-secondary);background:var(--surface-elevated)}.context-chip strong{color:var(--text-primary)}.context-chip--active{border-color:color-mix(in srgb,var(--accent) 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code{font-family:var(--font-mono);font-size:.85em}.help-list{margin:0 0 var(--space-3);padding-left:1.25rem;color:var(--text-secondary);line-height:1.5}.help-list li{margin-bottom:var(--space-2)}.error-boundary{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:var(--space-4);padding:var(--space-6);max-width:36rem;margin:0 auto}@media(pointer:coarse){.btn,.menu__item,.icon-btn{min-height:2.75rem}}@media(max-width:960px){.app-shell{grid-template-columns:1fr;grid-template-rows:auto auto 1fr;grid-template-areas:"toolbar" "sidebar" "workspace"}.app-shell__sidebar-resize{display:none}.sidebar{border-right:none;border-bottom:1px solid 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