:root {
    color-scheme:light;
    /* Better Harness Studio design tokens (see DESIGN.md) */
    --color-primary:#245CC8; --color-primary-hover:#1D4FAF; --color-primary-soft:#EEF4FF; --color-on-primary:#FFFFFF;
    --color-text:#263244; --color-text-muted:#5F6D82; --color-text-subtle:#667085;
    --color-canvas:#F4F6F8; --color-surface:#FFFFFF; --color-surface-subtle:#F8FAFC;
    --color-surface-hover:#EEF1F5; --color-surface-selected:#E7EFFB;
    --color-border:#D7DEE8; --color-border-strong:#B8C3D1; --color-focus:#1769D2;
    --color-success:#16794E; --color-success-surface:#E9F7F0;
    --color-warning:#8A520F; --color-warning-surface:#FFF3DF;
    --color-danger:#A63D45; --color-danger-surface:#FDEBED;
    --color-candidate:#6D46B5; --color-candidate-surface:#F5F1FB;
    --color-categorical-1:#2C6FA8; --color-categorical-2:#7658B5; --color-categorical-3:#4F6275;
    --color-categorical-4:#1F7A6B; --color-categorical-5:#A66A1E; --color-categorical-6:#5E7F2E;
    --color-categorical-7:#7A7385;
    --font-ui:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-code:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    --radius-xs:2px; --radius-sm:3px; --radius-md:4px; --radius-lg:6px; --radius-full:9999px;
    --size-toolbar-target:30px;
    /* Tool family is categorical evidence identity, not judgement, so it maps
       onto the shared categorical scale rather than reusing a state hue. Lane
       position and the legend label carry the meaning; colour only links the
       summary bars to the chart. */
    --family-inspect:var(--color-categorical-1); --family-change:var(--color-categorical-2);
    --family-execute:var(--color-categorical-3); --family-verify:var(--color-categorical-4);
    --family-coordinate:var(--color-categorical-5); --family-deliver:var(--color-categorical-6);
    --family-other:var(--color-categorical-7);
    --space-xs:4px; --space-sm:8px; --space-md:12px; --space-lg:16px; --space-xl:24px; --space-xxl:32px;
    /* Legacy aliases kept so the rest of this stylesheet can migrate gradually
       without forking a second palette. */
    --ink:var(--color-text); --muted:var(--color-text-muted); --faint:var(--color-text-subtle);
    --line:var(--color-border); --soft:var(--color-surface-subtle); --panel:var(--color-surface);
    --lime:var(--color-success); --lime-soft:var(--color-success-surface);
    --blue:var(--color-primary); --blue-soft:var(--color-primary-soft);
    --amber:var(--color-warning); --amber-soft:var(--color-warning-surface);
    --violet:var(--color-candidate); --violet-soft:var(--color-candidate-surface);
    --red:var(--color-danger); --red-soft:var(--color-danger-surface);
  }
  * { box-sizing:border-box; }
  html, body { margin:0; min-width:320px; min-height:100%; font:14px/1.45 var(--font-ui); color:var(--ink); background:var(--color-surface); }
  button, summary { font:inherit; }
  button:focus-visible, summary:focus-visible { outline:2px solid var(--color-focus); outline-offset:2px; }
  /* Session View is a fixed overlay with its own scroller. Without locking the
     root scroller, a wheel gesture near the overlay edge scrolls a Workbench the
     reviewer cannot see. Programmatic reveal still works, and the Workbench keeps
     its offset for when the overlay closes. */
  html:has(body.session-open) { overflow:hidden; }
  .visually-hidden { position:absolute; width:1px; height:1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }
  .app { min-height:100vh; display:grid; grid-template-columns:270px minmax(0,1fr); }
  .app.picker-collapsed { grid-template-columns:46px minmax(0,1fr); }
  .scope-picker { position:sticky; top:0; height:100vh; min-width:0; border-right:1px solid var(--line); background:var(--color-surface-subtle); display:flex; flex-direction:column; z-index:2; }
  .brand { min-height:66px; position:relative; padding:16px 42px 14px 18px; border-bottom:1px solid var(--line); }
  .brand strong { display:block; font-size:18px; letter-spacing:-.025em; }
  .brand span { color:var(--muted); font-size:12px; }
  .picker-toggle { position:absolute; top:14px; right:9px; border:0; border-radius:var(--radius-xs); padding:4px 6px; color:var(--color-text-muted); background:transparent; cursor:pointer; font-size:12px; font-weight:700; }
  .picker-toggle:hover { background:var(--color-surface-hover); }
  .picker-toggle .expand-label { display:none; }
  .app.picker-collapsed .brand { min-height:100vh; padding:9px 5px; border-bottom:0; }
  .app.picker-collapsed .brand-copy, .app.picker-collapsed .mode-tabs, .app.picker-collapsed .picker-panel { display:none; }
  .app.picker-collapsed .picker-toggle { position:sticky; top:9px; right:auto; width:34px; min-height:104px; margin:0 auto; writing-mode:vertical-rl; }
  .app.picker-collapsed .picker-toggle .collapse-label { display:none; }
  .app.picker-collapsed .picker-toggle .expand-label { display:inline; }
  .mode-tabs { margin:0; padding:0 10px; display:grid; grid-template-columns:1fr 1fr; gap:0; border:0; border-bottom:1px solid var(--line); border-radius:0; background:transparent; }
  .mode-tabs button { min-height:36px; border:0; border-bottom:2px solid transparent; border-radius:0; padding:7px; color:var(--color-text-muted); background:transparent; cursor:pointer; font-size:12px; }
  .mode-tabs button:hover { background:var(--color-surface-hover); }
  .mode-tabs button.active { color:var(--color-text); border-bottom-color:var(--color-primary); background:var(--color-surface); font-weight:700; box-shadow:none; }
  .picker-panel { display:none; min-height:0; overflow:auto; padding:10px 0 18px; }
  .picker-panel.active { display:block; }
  #panel-date.active { flex:1; display:flex; overflow:hidden; padding-bottom:0; flex-direction:column; }
  .picker-heading { min-height:30px; margin:0; padding:5px 14px; display:flex; justify-content:space-between; align-items:center; border-bottom:1px solid var(--line); color:var(--muted); font-size:12px; text-transform:uppercase; letter-spacing:.08em; }
  .capability-tree, .tree-children { margin:0; padding:0; list-style:none; }
  .capability-tree { padding-bottom:4px; }
  .tree-item { position:relative; min-width:0; }
  .tree-line { min-width:0; display:grid; grid-template-columns:20px minmax(0,1fr); align-items:stretch; }
  .tree-children { position:relative; margin-left:10px; padding-left:10px; border-left:1px solid var(--color-border); }
  .tree-children > .tree-item::before { content:""; position:absolute; top:22px; left:-10px; width:9px; border-top:1px solid var(--color-border); }
  .tree-item.collapsed > .tree-children { display:none; }
  .tree-branch-toggle, .tree-branch-spacer { width:20px; min-height:42px; display:grid; place-items:center; align-self:stretch; }
  .tree-branch-toggle { padding:0; border:0; color:var(--color-text-muted); background:transparent; cursor:pointer; }
  .tree-branch-toggle span { display:block; font-size:13px; transition:transform .14s ease; }
  .tree-item.collapsed > .tree-line .tree-branch-toggle span { transform:rotate(-90deg); }
  .tree-row { width:100%; min-height:40px; position:relative; padding:5px 8px 5px 4px; display:grid; grid-template-columns:15px minmax(0,1fr) auto; gap:7px; align-items:start; border:0; border-radius:0; color:var(--color-text); background:transparent; text-align:left; cursor:pointer; }
  .tree-row:hover { background:var(--color-surface-subtle); }
  .tree-row.active { box-shadow:inset 2px 0 0 var(--color-primary); background:var(--color-primary-soft); color:var(--color-text); }
  .tree-item.feature > .tree-line { margin-top:3px; }
  .tree-row.feature .tree-copy strong { font-size:12px; font-weight:750; }
  .tree-row.story .tree-copy strong { font-weight:600; }
  .tree-check { width:14px; height:14px; margin-top:2px; display:grid; place-items:center; border:1.5px solid var(--color-border-strong); border-radius:var(--radius-md); color:var(--color-surface); background:var(--color-surface); font-size:12px; font-weight:900; line-height:1; }
  .tree-check.complete { border-color:var(--lime); background:var(--lime); }
  .tree-check.todo { border-color:var(--color-text-subtle); background:var(--color-surface); }
  .tree-check.neutral { width:8px; height:8px; margin:5px 3px 0; border-radius:var(--radius-full); background:var(--color-surface); }
  .tree-row.active .tree-check { border-color:var(--blue); box-shadow:none; }
  .tree-copy { min-width:0; }
  .tree-copy strong, .tree-copy small { display:block; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .tree-copy strong { font-size:12px; }
  .tree-copy small { margin-top:2px; color:var(--muted); font-size:12px; text-transform:uppercase; letter-spacing:.05em; }
  .tree-row .evidence { margin-top:0; }
  .evidence { display:inline-flex; align-items:center; width:max-content; border-radius:0; padding:0; font-size:12px; font-style:normal; font-weight:800; text-transform:uppercase; letter-spacing:.05em; }
  .evidence.declared, .evidence.explicit { color:var(--color-success); background:transparent; }
  .evidence.observed, .evidence.observed-overlap { color:var(--color-primary); background:transparent; }
  .evidence.file-context { color:var(--color-candidate); background:transparent; }
  .evidence.candidate { color:var(--color-warning); background:transparent; }
  .evidence.unmapped, .evidence.contextual, .evidence.commit-change { color:var(--color-text-muted); background:transparent; }
  .date-calendar { padding:10px 12px 12px; }
  .date-calendar > header { min-height:34px; padding:3px 2px 8px; display:flex; align-items:baseline; justify-content:space-between; gap:8px; border-bottom:1px solid var(--line); }
  .date-calendar-nav { min-width:0; display:flex; align-items:center; gap:3px; }
  .date-calendar-nav strong { overflow:hidden; padding:0 4px; font-size:12px; text-overflow:ellipsis; text-transform:uppercase; letter-spacing:.08em; white-space:nowrap; }
  .date-calendar-nav button { width:var(--size-toolbar-target); height:var(--size-toolbar-target); flex:none; padding:0; display:grid; place-items:center; border:1px solid transparent; border-radius:var(--radius-sm); color:var(--muted); background:transparent; cursor:pointer; }
  .date-calendar-nav button:hover:not(:disabled) { color:var(--ink); background:var(--color-surface-hover); }
  .date-calendar-nav button:disabled { color:var(--color-border-strong); cursor:default; }
  .date-calendar-zone { overflow:hidden; color:var(--muted); text-overflow:ellipsis; white-space:nowrap; font-size:12px; }
  .date-weekdays, .date-grid { display:grid; grid-template-columns:repeat(7,minmax(0,1fr)); }
  .date-weekdays { padding-top:7px; color:var(--muted); font-size:12px; text-align:center; text-transform:uppercase; }
  .date-weekdays span { padding:3px 0 4px; }
  .date-grid { gap:2px 0; }
  .date-cell { position:relative; min-width:0; min-height:38px; padding:2px 0 5px; display:flex; flex-direction:column; align-items:center; justify-content:flex-start; gap:2px; border:0; border-radius:0; color:var(--ink); background:transparent; cursor:pointer; }
  .date-cell time { width:28px; height:28px; display:grid; place-items:center; border-radius:var(--radius-full); font-size:12px; font-weight:650; line-height:1; }
  .date-cell:hover time { background:var(--color-surface-hover); }
  .date-cell.active time { color:var(--color-on-primary); background:var(--color-primary); }
  .date-activity { width:4px; height:4px; border-radius:var(--radius-full); background:var(--color-primary); }
  .date-cell.active .date-activity { background:var(--color-primary); }
  .date-cell.empty { color:var(--color-border-strong); cursor:default; }
  .date-cell.outside { opacity:.5; }
  .date-cell.empty:hover time { background:transparent; }
  .date-selection-summary { min-height:35px; margin-top:8px; padding:8px 2px 0; display:flex; align-items:baseline; justify-content:space-between; gap:8px; border-top:1px solid var(--line); }
  .date-selection-summary strong { color:var(--ink); font-size:12px; white-space:nowrap; }
  .date-selection-summary span { overflow:hidden; color:var(--muted); text-overflow:ellipsis; white-space:nowrap; font-size:12px; }
  .date-context-summary { min-width:0; padding:5px 2px 1px; display:grid; gap:2px; border-top:1px solid var(--color-border); }
  .date-context-summary[hidden] { display:none; }
  .date-context-summary strong { overflow:hidden; color:var(--color-candidate); text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-variant-numeric:tabular-nums; }
  .date-context-summary span { overflow:hidden; color:var(--muted); text-overflow:ellipsis; white-space:nowrap; font-size:12px; }
  .date-session-navigator { min-height:0; flex:1; display:flex; flex-direction:column; border-top:1px solid var(--line); background:var(--color-surface-subtle); }
  .date-session-heading { min-height:31px; flex:none; padding:7px 14px 6px; display:flex; align-items:center; justify-content:space-between; gap:8px; border-bottom:1px solid var(--line); color:var(--muted); font-size:12px; text-transform:uppercase; letter-spacing:.08em; }
  .date-session-heading strong { color:var(--ink); font-size:12px; }
  .date-session-list { min-height:0; overflow:auto; padding-bottom:12px; }
  .date-session-row { width:100%; min-height:53px; padding:7px 12px 8px 14px; display:block; border:0; border-bottom:1px solid var(--color-border); border-radius:0; color:var(--ink); background:transparent; cursor:pointer; text-align:left; }
  .date-session-row:hover { background:var(--color-surface-hover); }
  .date-session-row.active { box-shadow:inset 2px 0 0 var(--color-primary); background:var(--color-primary-soft); }
  .date-session-row-top { min-width:0; display:flex; align-items:baseline; justify-content:space-between; gap:8px; color:var(--muted); font-size:12px; }
  .date-session-row-meta { min-width:0; display:flex; align-items:baseline; gap:5px; overflow:hidden; white-space:nowrap; }
  .date-session-row-meta strong { color:var(--ink); font-size:12px; text-transform:uppercase; letter-spacing:.04em; }
  .date-session-row-meta time { overflow:hidden; text-overflow:ellipsis; font-variant-numeric:tabular-nums; }
  .date-session-row-stat { flex:none; }
  .date-session-title { margin-top:2px; display:block; overflow:hidden; color:var(--ink); text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-weight:600; }
  .date-session-token-summary { margin-top:2px; display:block; overflow:hidden; color:var(--color-candidate); text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-variant-numeric:tabular-nums; }
  .picker-empty { margin:14px 8px; color:var(--muted); font-size:12px; }
  .workspace { min-width:0; }
  .workspace-header { min-height:42px; position:sticky; top:0; z-index:3; padding:5px 14px; display:flex; align-items:center; justify-content:space-between; gap:12px; border-bottom:1px solid var(--line); background:var(--color-surface); }
  .workspace-breadcrumb { min-width:0; flex:1; display:flex; align-items:center; gap:7px; color:var(--muted); font-size:12px; }
  .workspace-breadcrumb span, .workspace-breadcrumb strong { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .workspace-breadcrumb i { color:var(--color-border-strong); font-style:normal; }
  .workspace-breadcrumb strong { color:var(--ink); font-size:12px; }
  .workspace-header-meta, .scope-metrics, .metric { display:flex; align-items:center; }
  .workspace-header-meta { flex:none; gap:9px; }
  .scope-metrics { gap:0; }
  .metric { gap:3px; padding:0 7px; border-left:1px solid var(--line); white-space:nowrap; }
  .metric[hidden] { display:none; }
  .metric strong { color:var(--ink); font-size:12px; line-height:1; }
  .metric span { color:var(--muted); font-size:12px; text-transform:uppercase; letter-spacing:.04em; }
  .metric-short { display:none; }
  .window-badge { border:0; border-left:1px solid var(--line); border-radius:0; padding:2px 0 2px 9px; color:var(--muted); background:transparent; font-size:12px; white-space:nowrap; }
  .workspace-scroll { padding:0 0 48px; overflow-x:auto; }
  .workbench-list { min-width:730px; display:grid; gap:0; }
  .workbench { overflow:hidden; border:0; border-bottom:1px solid var(--line); border-radius:0; background:var(--panel); box-shadow:none; }
  .workbench:first-child { border-top:0; }
  .workbench-head { min-height:42px; padding:6px 8px 6px 12px; display:flex; justify-content:space-between; gap:12px; align-items:center; border-bottom:1px solid var(--line); background:var(--color-surface-subtle); }
  .workbench-title-line { min-width:0; flex:1; display:flex; align-items:baseline; gap:10px; }
  .workbench-head h3 { min-width:0; flex:1; margin:0; overflow:hidden; font-size:13px; font-weight:650; text-overflow:ellipsis; white-space:nowrap; }
  .workbench-meta { flex:none; display:flex; align-items:center; gap:0; color:var(--muted); font-size:12px; white-space:nowrap; }
  .workbench-provider { color:var(--ink); font-weight:700; text-transform:uppercase; letter-spacing:.04em; }
  .workbench-token-summary { max-width:230px; overflow:hidden; color:var(--color-candidate); text-overflow:ellipsis; font-variant-numeric:tabular-nums; }
  .workbench-meta span + span::before { content:"·"; padding:0 5px; color:var(--color-border-strong); }
  .head-actions { flex:none; display:flex; align-items:center; gap:2px; }
  .prepare-button, .card-collapse { min-height:28px; border:0; border-radius:var(--radius-xs); color:var(--color-primary); background:transparent; cursor:pointer; font-size:12px; font-weight:650; }
  .prepare-button { padding:5px 8px; }
  .card-collapse { width:28px; padding:0; color:var(--color-text-muted); line-height:1; }
  .prepare-button:hover, .card-collapse:hover { background:var(--color-surface-hover); }
  .workbench.card-collapsed .workbench-grid { display:none; }
  .workbench.card-collapsed .workbench-head { border-bottom:0; }
  .scope-index { display:flex; }
  .scope-index[hidden] { display:none; }
  .scope-index select { max-width:200px; border:1px solid var(--line); border-radius:var(--radius-xs); padding:3px 6px; color:var(--color-text-muted); background:var(--color-surface); font-size:12px; }
  .lane-more { width:100%; margin-top:4px; border:0; border-top:1px solid var(--line); border-radius:0; padding:7px 2px; color:var(--color-primary); background:transparent; cursor:pointer; text-align:left; font-size:12px; font-weight:700; }
  .workbench-grid { min-width:730px; display:grid; grid-template-columns:minmax(180px,var(--prompt-width,28%)) 5px minmax(300px,1fr) 5px minmax(240px,var(--delivery-width,31%)); }
  .lane { min-width:0; padding:13px; border-right:1px solid var(--line); }
  .lane:last-child { border-right:0; }
  .lane-empty .empty-state { padding:0; border:0; background:transparent; text-align:left; font-size:12px; }
  .prompt-lane { grid-column:1; }
  .activity-lane { grid-column:3; }
  .delivery-lane { grid-column:5; }
  .lane-resizer { position:relative; z-index:1; width:5px; cursor:col-resize; background:var(--color-surface-subtle); touch-action:none; }
  .lane-resizer::after { content:""; position:absolute; inset:0 1px; background:var(--color-border); transition:background .12s ease; }
  .lane-resizer:hover::after, .lane-resizer.resizing::after { background:var(--color-primary); }
  .lane-resizer.prompt { grid-column:2; }
  .lane-resizer.delivery { grid-column:4; }
  .lane-title { display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom:11px; }
  .lane-title strong { font-size:12px; text-transform:uppercase; letter-spacing:.08em; }
  .lane-title span { color:var(--muted); font-size:12px; }
  .intent-card { width:100%; margin:0; padding:8px 4px 8px 9px; border:0; border-bottom:1px solid var(--color-border); border-left:2px solid var(--color-border-strong); border-radius:0; color:inherit; background:transparent; text-align:left; }
  .intent-card p { margin:0; font-size:12px; line-height:1.5; }
  .intent-card small { display:block; margin-top:5px; color:var(--muted); font-size:12px; }
  .intent-card.declared-intent { border-left-color:var(--lime); background:transparent; }
  .activity-summary { padding:4px 0 10px; border:0; border-radius:0; background:transparent; }
  .activity-total { display:flex; justify-content:space-between; align-items:baseline; }
  .activity-total strong { font-size:20px; }
  .activity-total span { color:var(--muted); font-size:12px; }
  .family-bars { margin-top:9px; display:grid; gap:5px; }
  .family-row { display:grid; grid-template-columns:132px minmax(0,1fr) 30px; gap:7px; align-items:center; color:var(--muted); font-size:12px; }
  .family-row > span { display:flex; align-items:center; gap:5px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .family-track { height:5px; overflow:hidden; border-radius:var(--radius-full); background:var(--color-border); }
  .family-fill { height:100%; min-width:2px; border-radius:var(--radius-full); background:var(--violet); }
  /* A color-coded dot ties the same family across the summary bars, the
     session call list, and the timeline chart, so "Search repository" reads
     as one recognizable category instead of an arbitrary label. */
  .family-dot { flex:0 0 auto; width:7px; height:7px; border-radius:var(--radius-full); }
  .activity-details { margin-top:9px; border-top:1px solid var(--line); }
  .commit-bridge { margin:9px 0 0; padding:8px 9px; border-left:3px solid var(--amber); color:var(--color-warning); background:var(--amber-soft); font-size:12px; line-height:1.5; }
  .commit-bridge.linked { border-left-color:var(--color-success); color:var(--color-success); background:var(--color-success-surface); }
  .activity-details > summary { min-height:34px; padding:8px 2px; display:flex; align-items:center; justify-content:space-between; gap:12px; cursor:pointer; color:var(--color-text); font-size:12px; font-weight:700; }
  .activity-details > summary > span:first-child { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .activity-details > summary small { color:var(--muted); font-size:12px; font-weight:500; }
  .activity-disclosure-actions { flex:none; display:flex; align-items:center; gap:10px; }
  .activity-details:not([open]) .activity-disclosure-actions .activity-action { display:none; }
  .activity-action { min-height:28px; border:0; border-radius:var(--radius-xs); padding:5px 7px; color:var(--color-primary); background:transparent; cursor:pointer; font-size:12px; font-weight:700; }
  .activity-action:hover { background:var(--color-surface-hover); }
  .activity-action.primary { color:var(--color-surface); border-color:var(--color-primary-hover); background:var(--color-primary); }
  .activity-action.primary:hover { background:var(--color-primary-hover); }
  .trace-target { min-width:0; border-top:1px solid var(--line); }
  .chart-card { min-width:0; color:var(--color-text-muted); }
  .chart-toolbar { padding:7px 2px 5px; display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:12px; }
  .chart-basis { border-left:2px solid currentColor; border-radius:0; padding:1px 5px; color:var(--color-primary); background:transparent; font-weight:800; text-transform:uppercase; letter-spacing:.05em; }
  .chart-basis.fallback { color:var(--color-warning); background:var(--amber-soft); }
  .chart-range { color:var(--muted); font:12px var(--font-code); }
  .chart-reset { margin-left:auto; border:0; border-radius:var(--radius-xs); padding:3px 7px; color:var(--color-primary); background:transparent; cursor:pointer; font-size:12px; font-weight:700; }
  .chart-reset:hover:not([disabled]) { background:var(--color-surface-hover); }
  .chart-reset[disabled] { color:var(--faint); background:transparent; cursor:default; }
  /* The chart is laid out to the container width, so nothing is parked off
     screen behind a nested horizontal scrollbar. */
  .activity-chart { display:block; width:100%; max-width:100%; touch-action:none; }
  .chart-row-alt { fill:var(--color-canvas); }
  .chart-lane-line { stroke:var(--color-border); }
  .chart-grid-line { stroke:var(--color-border); }
  .chart-axis-line { stroke:var(--color-border); }
  .chart-lane-label { fill:var(--color-text-muted); font-size:12px; font-weight:700; }
  .chart-tick, .chart-axis-label { fill:var(--color-text-subtle); font-size:12px; }
  .chart-axis-label { font-weight:700; }
  .chart-ribbon-base { fill:var(--color-border); }
  .chart-ribbon-block { cursor:pointer; }
  .chart-ribbon-block:hover, .chart-ribbon-block:focus { outline:none; stroke:var(--color-primary-hover); stroke-width:2; }
  .chart-ribbon-label { fill:var(--color-text); }
  .chart-gap rect { fill:rgba(148,163,184,.13); }
  .chart-gap-label { fill:var(--color-text-subtle); font-size:12px; font-style:italic; }
  .chart-gap.compressed rect { fill:rgba(148,163,184,.22); stroke:var(--color-border-strong); stroke-width:1; stroke-dasharray:2 2; }
  .chart-gap.compressed .chart-gap-label { fill:var(--color-text-muted); font-size:12px; font-weight:800; }
  .chart-gap-cache-edge { stroke:var(--color-warning); stroke-width:3; vector-effect:non-scaling-stroke; }
  .chart-gap-break { fill:none; stroke:var(--color-text-subtle); stroke-width:1.4; }
  .chart-context-compaction-line { stroke:var(--color-candidate); stroke-width:1.5; stroke-dasharray:3 3; vector-effect:non-scaling-stroke; pointer-events:none; }
  .chart-context-compaction-marker { fill:var(--color-candidate); stroke:var(--color-surface); stroke-width:1; cursor:pointer; }
  .chart-context-compaction-marker:hover, .chart-context-compaction-marker:focus { outline:none; stroke:var(--color-primary-hover); stroke-width:2.5; }
  .chart-lane, .chart-gap, .chart-gap-cache-edge, .chart-grid-line, .chart-tick, .chart-axis-line, .chart-axis-label { pointer-events:none; }
  .chart-bin, .chart-mark, .chart-commit { cursor:pointer; }
  .chart-bin:hover, .chart-bin:focus, .chart-mark:hover, .chart-mark:focus, .chart-commit:hover, .chart-commit:focus { outline:none; }
  .chart-bin:hover, .chart-bin:focus, .chart-mark:hover, .chart-mark:focus { stroke:var(--color-primary-hover); stroke-width:2; }
  .chart-commit-line { stroke:var(--color-success); stroke-width:1; stroke-dasharray:3 2; opacity:.65; pointer-events:none; }
  .chart-commit-marker { fill:var(--color-success); stroke:var(--color-surface); stroke-width:1.5; }
  .chart-commit:hover, .chart-commit:focus { stroke:var(--color-primary-hover); stroke-width:2.5; }
  .chart-surface { fill:transparent; cursor:crosshair; }
  .chart-brush { fill:rgba(55,111,203,.16); stroke:var(--color-primary); stroke-width:1; pointer-events:none; }
  .chart-cache-key { min-height:28px; padding:4px 2px; display:flex; align-items:center; gap:7px; color:var(--color-text-muted); font-size:12px; }
  .chart-cache-key > i { width:28px; height:3px; flex:none; background:var(--color-warning); }
  .cache-policy-panel { border-top:1px solid var(--color-border); background:var(--color-surface); }
  .cache-policy-header { min-height:38px; padding:3px 2px; display:flex; align-items:center; gap:12px; color:var(--color-text-muted); font-size:12px; }
  .cache-policy-header > strong { color:var(--color-text); font-size:12px; text-transform:uppercase; letter-spacing:.04em; white-space:nowrap; }
  .cache-policy-header label { display:flex; align-items:center; gap:6px; white-space:nowrap; }
  .cache-policy-header select { height:32px; max-width:220px; border:1px solid var(--color-border-strong); border-radius:var(--radius-lg); padding:3px 28px 3px 8px; color:var(--color-text); background:var(--color-surface); font-size:12px; }
  .cache-policy-header > span { margin-left:auto; text-align:right; }
  .cache-policy-table { overflow-x:auto; border-top:1px solid var(--color-border); }
  .cache-policy-head, .cache-policy-row { min-width:820px; display:grid; grid-template-columns:minmax(190px,1.05fr) minmax(150px,.9fr) minmax(170px,.95fr) minmax(210px,1.15fr) minmax(120px,.7fr); align-items:center; }
  .cache-policy-head { min-height:30px; color:var(--color-text-muted); font-size:12px; font-weight:700; }
  .cache-policy-row { min-height:30px; border-top:1px solid var(--color-border); color:var(--color-text); font-size:12px; }
  .cache-policy-row[hidden] { display:none; }
  .cache-policy-head > span, .cache-policy-row > span { min-width:0; padding:5px 10px; overflow:hidden; border-right:1px solid var(--color-border); text-overflow:ellipsis; white-space:nowrap; }
  .cache-policy-head > span:first-child, .cache-policy-row > span:first-child { padding-left:12px; }
  .cache-policy-head > span:last-child, .cache-policy-row > span:last-child { border-right:0; }
  .cache-policy-row.selected { box-shadow:inset 2px 0 0 var(--color-primary); background:var(--color-surface-selected); }
  .cache-policy-row a { color:var(--color-primary); text-decoration:none; }
  .cache-policy-row a:hover { text-decoration:underline; text-underline-offset:2px; }
  .cache-policy-row a:focus-visible, .cache-policy-header select:focus-visible { outline:2px solid var(--color-focus); outline-offset:1px; }
  .cache-policy-toggle { min-height:30px; margin-left:auto; padding:4px 2px; display:block; border:0; color:var(--color-primary); background:transparent; cursor:pointer; font-size:12px; }
  .chart-statusbar { min-height:38px; overflow-x:auto; display:flex; align-items:center; border-top:1px solid var(--color-border); color:var(--color-text-muted); background:var(--color-surface); font-size:12px; scrollbar-width:thin; }
  .chart-inspector { min-width:260px; flex:1 1 360px; padding:7px 10px 7px 2px; overflow:hidden; }
  .chart-inspector:empty { display:none; }
  .chart-inspector strong { display:block; overflow:hidden; color:var(--color-text); font-size:12px; text-overflow:ellipsis; white-space:nowrap; }
  .chart-status-link, .chart-status-summary, .chart-status-legends { min-height:22px; flex:none; padding:2px 10px; border:0; border-left:1px solid var(--color-border); white-space:nowrap; }
  .chart-inspector:empty + .chart-status-link { border-left:0; }
  .chart-status-link { color:var(--color-primary); background:transparent; cursor:pointer; }
  .chart-status-link:disabled { color:var(--color-text-subtle); cursor:default; }
  .chart-status-legends { display:flex; align-items:center; gap:10px; }
  .chart-status-legends > span { display:inline-flex; align-items:center; gap:5px; }
  .chart-warning { color:var(--color-warning); }
  .legend-dot { width:8px; height:8px; display:inline-block; border-radius:var(--radius-xs); background:var(--blue); }
  .legend-dot.failed { background:var(--red); }
  .legend-dot.gap { background:rgba(148,163,184,.45); }
  .legend-dot.between { background:var(--color-border); box-shadow:inset 0 0 0 1px var(--color-border-strong); }
  .legend-dot.context-compaction { border-radius:0; background:var(--color-candidate); transform:rotate(45deg); }
  .legend-dot.commit { border-radius:var(--radius-xs); background:var(--color-success); transform:rotate(45deg); }
  .chart-empty { padding:18px; color:var(--muted); text-align:center; font-size:12px; }
  .commit-card { margin:0; border:0; border-bottom:1px solid var(--line); border-radius:0; overflow:hidden; }
  .commit-head { width:100%; padding:8px 2px; border:0; color:inherit; background:transparent; text-align:left; cursor:pointer; }
  .commit-head:hover { background:var(--color-surface-hover); }
  .commit-head-line { display:flex; align-items:center; justify-content:space-between; gap:8px; }
  .commit-id { display:inline-flex; align-items:center; gap:5px; }
  .commit-head code { color:var(--color-primary); font:700 12px var(--font-code); }
  .commit-head p { margin:3px 0 0; font-size:12px; line-height:1.4; }
  .commit-stats { margin-top:4px; color:var(--muted); font-size:12px; }
  .commit-card-compact { background:transparent; }
  .commit-card > summary { list-style:none; }
  .commit-card > summary::-webkit-details-marker { display:none; }
  .commit-card-compact .commit-head { padding:5px 8px; }
  /* At the readable type floor the hash, subject, stats, and evidence label no
     longer fit one line in a narrow delivery lane, so the row wraps instead of
     clipping the evidence strength off the edge. */
  .commit-card-compact .commit-head-line.compact { min-height:22px; display:flex; flex-wrap:wrap; align-items:center; gap:2px 6px; }
  .commit-card-compact .commit-head-line.compact > .commit-chevron { flex:none; }
  .commit-card-compact .commit-head-line.compact > code { flex:none; }
  .commit-card-compact .commit-head-line.compact > .commit-subject { flex:1 1 72px; min-width:0; }
  .commit-card-compact .commit-head-line.compact > .commit-stats, .commit-card-compact .commit-head-line.compact > .evidence { flex:none; }
  .commit-chevron { color:var(--color-text-subtle); font-size:15px; line-height:1; transition:transform .12s ease; }
  .commit-card[open] .commit-chevron { transform:rotate(90deg); }
  .commit-subject { overflow:hidden; font-size:12px; text-overflow:ellipsis; white-space:nowrap; }
  .commit-card-compact .commit-stats { margin:0; white-space:nowrap; }
  .commit-card-compact .commit-files .empty-state { padding:12px; border-radius:0; font-size:12px; }
  .delivery-content { max-height:clamp(280px,52vh,560px); overflow:auto; overscroll-behavior:contain; scrollbar-gutter:stable; }
  .commit-file-view { padding:6px 8px 7px; border-top:1px solid var(--line); }
  .delivery-lane[data-file-view="list"] .file-tree-view, .delivery-lane[data-file-view="tree"] .file-list-view { display:none; }
  .file-row { width:100%; min-height:25px; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:7px; align-items:center; padding:3px 2px 3px 8px; border:0; border-left:1px solid var(--color-border); color:inherit; background:transparent; text-align:left; }
  .file-row code { overflow:hidden; color:var(--color-text); font:12px var(--font-code); text-overflow:ellipsis; white-space:nowrap; }
  .diff-stat { display:inline-flex; justify-content:flex-end; gap:7px; font:12px var(--font-code); font-variant-numeric:tabular-nums; white-space:nowrap; }
  .diff-add { color:var(--color-success); }
  .diff-remove { color:var(--color-danger); }
  .diff-binary { color:var(--color-text-muted); }
  .file-tree-node { margin:0; }
  .file-tree-node > summary { min-height:26px; padding:3px 2px; display:grid; grid-template-columns:14px minmax(0,1fr) auto; gap:4px; align-items:center; list-style:none; color:var(--color-text); cursor:pointer; }
  .file-tree-node > summary::-webkit-details-marker { display:none; }
  .file-tree-node > summary:hover { background:var(--color-surface-hover); }
  .file-tree-chevron { color:var(--color-text-subtle); font-size:14px; line-height:1; transition:transform .12s ease; }
  .file-tree-node[open] > summary .file-tree-chevron { transform:rotate(90deg); }
  .file-tree-folder { overflow:hidden; font:12px var(--font-code); text-overflow:ellipsis; white-space:nowrap; }
  .file-tree-node > summary small { color:var(--color-text-muted); font-size:12px; font-variant-numeric:tabular-nums; }
  .file-tree-children { margin-left:6px; padding-left:9px; border-left:1px solid var(--color-border); }
  .file-tree-view .file-row { padding-left:3px; border-left:0; }
  .delivery-lane > .lane-title { align-items:flex-start; flex-wrap:wrap; }
  .delivery-title-copy { min-width:0; flex:1 1 170px; display:flex; align-items:center; justify-content:space-between; gap:8px; }
  .delivery-actions { flex:none; display:flex; align-items:center; gap:3px; }
  .file-view-switch { display:flex; align-items:center; border:1px solid var(--color-border-strong); border-radius:var(--radius-xs); }
  .file-view-switch button { min-height:30px; padding:3px 7px; border:0; border-right:1px solid var(--color-border-strong); color:var(--color-text-muted); background:transparent; cursor:pointer; font-size:12px; }
  .file-view-switch button:last-child { border-right:0; }
  .file-view-switch button:hover { background:var(--color-surface-hover); }
  .file-view-switch button[aria-pressed="true"] { color:var(--color-primary); background:var(--color-primary-soft); font-weight:700; }
  .delivery-toggle { min-width:32px; min-height:30px; border:0; border-radius:var(--radius-xs); padding:4px 6px; color:var(--color-text-muted); background:transparent; cursor:pointer; font-size:12px; font-weight:700; }
  .delivery-toggle:hover { background:var(--color-surface-hover); }
  .delivery-content:focus-visible { outline:2px solid var(--color-focus); outline-offset:-2px; }
  .delivery-toggle .closed-label { display:none; }
  .workbench.delivery-collapsed .workbench-grid { grid-template-columns:minmax(180px,var(--prompt-width,26%)) 5px minmax(480px,1fr) 0 46px; }
  .workbench.delivery-collapsed .lane-resizer.delivery { display:none; }
  .workbench.delivery-collapsed .delivery-lane { padding:8px 5px; }
  .workbench.delivery-collapsed .delivery-content, .workbench.delivery-collapsed .delivery-title-copy, .workbench.delivery-collapsed .file-view-switch, .workbench.delivery-collapsed .delivery-lane.lane-empty .lane-title, .workbench.delivery-collapsed .delivery-lane.lane-empty .empty-state { display:none; }
  .workbench.delivery-collapsed .delivery-toggle { width:34px; min-height:92px; margin:0 auto; padding:7px 4px; writing-mode:vertical-rl; text-orientation:mixed; }
  .workbench.delivery-collapsed .delivery-toggle .open-label { display:none; }
  .workbench.delivery-collapsed .delivery-toggle .closed-label { display:inline; }
  .workbench.activity-expanded .activity-lane { background:var(--color-surface-subtle); }
  .empty-state { padding:18px 0; border:0; border-radius:0; color:var(--muted); background:transparent; text-align:left; font-size:12px; }
  .session-view { position:fixed; inset:0; z-index:20; overflow:auto; overscroll-behavior:contain; color:var(--color-text); background:var(--color-surface); }
  .session-view[hidden] { display:none; }
  .session-nav { min-height:46px; position:sticky; top:0; z-index:2; padding:8px 18px; display:flex; align-items:center; justify-content:space-between; gap:16px; border-bottom:1px solid var(--color-border); background:rgba(255,255,255,.97); backdrop-filter:blur(10px); }
  .session-crumbs { min-width:0; display:flex; align-items:center; gap:8px; color:var(--color-text-subtle); font-size:12px; }
  .session-crumbs strong { overflow:hidden; color:var(--color-text); text-overflow:ellipsis; white-space:nowrap; }
  .session-close { border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:6px 9px; color:var(--color-text); background:var(--color-surface); cursor:pointer; font-size:12px; font-weight:700; }
  .session-shell { width:min(1440px,100%); margin:0 auto; padding:12px 18px 36px; }
  .session-titlebar { min-height:48px; margin-bottom:8px; display:flex; align-items:center; justify-content:space-between; gap:14px; }
  .session-titlebar > div > small { color:var(--color-primary); font-size:12px; font-weight:800; text-transform:uppercase; letter-spacing:.09em; }
  .session-titlebar h2 { margin:1px 0 0; font-size:18px; letter-spacing:-.02em; }
  .session-meta { margin-top:3px; display:flex; flex-wrap:wrap; gap:4px 9px; align-items:center; color:var(--color-text-muted); font-size:12px; }
  .session-axis-panel { margin:0 0 9px; border:1px solid var(--color-border); border-radius:var(--radius-lg); background:var(--color-surface); }
  .session-axis-panel > summary { min-height:28px; padding:5px 9px; display:flex; align-items:baseline; justify-content:space-between; gap:10px; list-style:none; cursor:pointer; color:var(--color-text-muted); font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; }
  .session-axis-panel > summary::-webkit-details-marker { display:none; }
  .session-axis-panel > summary small { color:var(--color-text-subtle); font-weight:600; text-transform:none; letter-spacing:0; }
  .session-axis-panel > summary em { margin-left:5px; color:var(--color-text-subtle); font-size:12px; font-style:normal; font-weight:600; text-transform:none; letter-spacing:0; }
  .session-axis-panel > summary::after { content:"⌄"; margin-left:6px; color:var(--color-text-subtle); transition:transform .12s ease; }
  .session-axis-panel[open] > summary::after { transform:rotate(180deg); }
  .session-axis { padding:0 8px 4px; }
  .session-axis .chart-card { overflow:visible; }
  .chart-compact .chart-toolbar { padding:3px 1px 1px; font-size:12px; }
  .chart-compact .chart-cache-key, .chart-compact .cache-policy-panel, .chart-compact .chart-statusbar { display:none; }
  .chart-compact .chart-lane-label { font-size:12px; }
  .chart-compact .chart-tick, .chart-compact .chart-axis-label { font-size:12px; }
  .session-layout { display:grid; grid-template-columns:minmax(0,1fr) 238px; gap:12px; align-items:start; }
  .session-timeline { display:grid; gap:12px; }
  .session-cell { min-width:0; display:grid; grid-template-columns:64px minmax(0,1fr); gap:10px; align-items:stretch; }
  .session-cell-marker { min-height:100%; display:flex; flex-direction:column; align-items:flex-end; justify-content:space-between; padding:8px 0; border-right:1px solid var(--color-border); }
  .session-cell-marker .turn-select { margin-right:8px; color:var(--color-primary); }
  .session-cell-marker > span { margin-right:8px; color:var(--color-success); font:700 12px var(--font-code); }
  .session-turn { min-width:0; display:grid; gap:0; overflow:hidden; border:1px solid var(--color-border); border-radius:var(--radius-lg); background:var(--color-surface); box-shadow:0 5px 18px rgba(15,23,42,.035); }
  .session-turn-head { min-height:34px; padding:6px 10px; display:flex; align-items:center; justify-content:space-between; gap:10px; border-bottom:1px solid var(--color-border); color:var(--color-text-muted); background:var(--color-surface-subtle); font-size:12px; }
  .session-turn-head > div { display:flex; align-items:baseline; gap:7px; }
  .session-turn-head strong { color:var(--color-text); font-size:12px; }
  .session-turn-head div span { color:var(--color-primary); font-weight:700; text-transform:uppercase; letter-spacing:.05em; }
  .session-event { position:relative; border:0; border-bottom:1px solid var(--color-border); border-radius:0; background:var(--color-surface); box-shadow:none; }
  .session-turn > .session-event:last-child { border-bottom:0; }
  button.session-event { width:100%; padding:0; color:inherit; text-align:left; cursor:pointer; }
  .session-event::before { display:none; }
  .session-event-head { min-height:31px; padding:6px 9px; display:flex; align-items:center; justify-content:space-between; gap:10px; border-bottom:1px solid var(--color-border); }
  .session-event-head strong { font-size:12px; }
  .session-event-head span { color:var(--color-text-muted); font-size:12px; }
  .session-event-body { padding:7px 9px; font-size:12px; line-height:1.45; }
  .session-event-body p { margin:0; }
  .session-event.prompt, .session-event.response { display:grid; grid-template-columns:78px minmax(0,1fr) 84px; align-items:start; }
  .session-event.prompt .session-event-head, .session-event.response .session-event-head { display:contents; }
  .session-event.prompt .session-event-head strong, .session-event.response .session-event-head strong { grid-column:1; grid-row:1; min-height:100%; padding:8px 9px; background:var(--color-surface-subtle); }
  .session-event.prompt .session-event-head span, .session-event.response .session-event-head span { grid-column:3; grid-row:1; padding:8px 9px 8px 0; text-align:right; }
  .session-event.prompt .session-event-body, .session-event.response .session-event-body { grid-column:2; grid-row:1; min-width:0; }
  .session-event.intermediate { padding:7px 9px; display:grid; grid-template-columns:96px minmax(0,1fr); gap:8px; background:var(--color-surface-subtle); }
  .session-event.intermediate .session-note-label { margin:0; color:var(--color-warning); font-size:12px; font-weight:700; }
  .session-event.intermediate p { margin:0; font-size:12px; line-height:1.45; white-space:pre-wrap; overflow-wrap:anywhere; }
  .session-event.usage { padding:8px 9px; display:grid; gap:7px; background:var(--color-surface-subtle); }
  .session-event.usage > header { display:flex; align-items:baseline; justify-content:space-between; gap:8px; }
  .session-event.usage > header strong { color:var(--color-categorical-1); font-size:12px; font-weight:700; }
  .session-event.usage > header span { min-width:0; overflow:hidden; color:var(--color-text-subtle); text-overflow:ellipsis; white-space:nowrap; font-size:12px; }
  .session-event.usage dl { margin:0; display:grid; gap:5px; }
  .session-event.usage dl div { display:grid; grid-template-columns:96px minmax(0,1fr); gap:8px; }
  .session-event.usage dt { color:var(--color-text-subtle); font-size:12px; }
  .session-event.usage dd { margin:0; color:var(--color-text); overflow-wrap:anywhere; font-size:12px; font-variant-numeric:tabular-nums; }
  .session-event.session-usage-compact { min-height:32px; padding:6px 9px; display:grid; grid-template-columns:auto minmax(0,1fr); align-items:center; gap:10px; background:var(--color-surface-subtle); }
  .session-event.session-usage-compact strong, .session-usage-inline strong { color:var(--color-categorical-1); font-size:12px; font-weight:700; white-space:nowrap; }
  .session-event.session-usage-compact > span, .session-usage-inline > span { min-width:0; overflow:hidden; color:var(--color-text-muted); text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-variant-numeric:tabular-nums; }
  .session-prose p { white-space:pre-wrap; overflow-wrap:anywhere; }
  .session-process { border-bottom:1px solid var(--color-border); background:var(--color-surface-subtle); }
  details.session-process > summary, .session-process-empty { min-height:35px; padding:7px 10px; display:flex; align-items:center; justify-content:space-between; gap:12px; color:var(--color-text-muted); list-style:none; }
  details.session-process > summary { cursor:pointer; }
  details.session-process > summary::-webkit-details-marker { display:none; }
  details.session-process > summary span, .session-process-empty span { font-size:12px; font-weight:750; }
  details.session-process > summary em, .session-process-empty em { color:var(--color-text-muted); font-size:12px; font-style:normal; }
  .session-process-body { border-top:1px solid var(--color-border); background:var(--color-surface); }
  .session-process-body > .session-event:last-child { border-bottom:0; }
  .session-cell-output { display:grid; background:var(--color-surface); }
  .session-cell-output > .session-event:last-child { border-bottom:0; }
  .session-warning { border-radius:var(--radius-lg); padding:2px 5px; color:var(--color-warning); background:var(--color-warning-surface); font-weight:700; }
  .session-unavailable { border-style:dashed; color:var(--color-text-subtle); background:var(--color-surface-subtle); }
  /* No nested scroll box: overflow rows are revealed in place so the page keeps
     one scrollbar and the wheel is never captured mid-trace. */
  .session-call-list { display:grid; }
  .session-call-more { margin:6px 10px 9px; border:1px solid var(--color-border-strong); border-radius:var(--radius-lg); padding:6px 9px; color:var(--color-primary); background:var(--color-primary-soft); cursor:pointer; font-size:12px; font-weight:700; }
  details.session-event.tools > summary { cursor:pointer; list-style:none; }
  details.session-event.tools > summary::-webkit-details-marker { display:none; }
  details.session-event.tools > summary::after { content:"⌄"; margin-left:3px; color:var(--color-text-subtle); transition:transform .12s ease; }
  details.session-event.tools[open] > summary::after { transform:rotate(180deg); }
  .session-tool-row, .session-tool-run > summary { width:100%; min-height:32px; padding:4px 9px; display:grid; grid-template-columns:58px minmax(120px,1fr) 86px; gap:3px 7px; align-items:center; border:0; border-top:1px solid var(--color-border); color:inherit; background:var(--color-surface); text-align:left; font-size:12px; }
  .session-tool-run > summary { cursor:pointer; }
  .session-tool-run > summary { list-style:none; background:var(--color-surface-subtle); }
  .session-tool-run > summary::-webkit-details-marker { display:none; }
  .session-tool-run[open] > summary { border-bottom:1px solid var(--color-border); }
  .session-tool-run .session-tool-row { padding-left:22px; background:var(--color-surface); }
  .session-tool-id { color:var(--color-text-subtle); font:12px var(--font-code); }
  .session-tool-row code, .session-tool-run > summary code { overflow:hidden; color:var(--color-text); text-overflow:ellipsis; white-space:nowrap; }
  .session-tool-copy { min-width:0; display:flex; align-items:baseline; gap:7px; }
  .session-tool-copy strong { color:var(--color-text); font-size:12px; }
  .session-tool-copy code { color:var(--color-text-subtle); font-size:12px; }
  .session-tool-failed { border-radius:var(--radius-md); padding:1px 4px; color:var(--color-danger); background:var(--red-soft); font-size:12px; font-style:normal; font-weight:700; }
  /* An absolute clock stamp is what makes otherwise identical redacted rows
     distinguishable from one another. */
  .session-tool-time { display:flex; flex-direction:column; align-items:flex-end; gap:1px; }
  .session-tool-time code { color:var(--color-text-muted); font-size:12px; }
  .session-tool-time small { color:var(--color-text-subtle); font-size:12px; }
  .session-tool-detail-row, .session-tool-file { grid-column:2/4; }
  .session-tool-detail-row { display:flex; flex-wrap:wrap; align-items:baseline; gap:6px; }
  .session-tool-detail { color:var(--color-text-muted); white-space:normal; overflow-wrap:anywhere; }
  .session-tool-file { color:var(--color-primary); }
  /* Names the two kinds of "detail" text so a rewritten, privacy-redacted
     summary is never mistaken for the tool's actual arguments or output. */
  .detail-kind { flex:0 0 auto; border-radius:var(--radius-md); padding:1px 5px; font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.03em; cursor:help; }
  .detail-kind.redacted { color:var(--color-danger); background:var(--red-soft); }
  .detail-kind.summary { color:var(--color-text-muted); background:var(--color-surface-hover); }
  .session-unplaced, .session-outside { margin-left:74px; }
  .session-outside .session-outside-note { margin:0 0 8px; padding:9px 10px; border-left:3px solid var(--amber); color:var(--color-warning); background:var(--amber-soft); font-size:12px; line-height:1.5; }
  .session-sidebar { position:sticky; top:56px; overflow:hidden; display:grid; gap:0; border:1px solid var(--color-border); border-radius:var(--radius-lg); background:var(--color-surface); }
  .session-sidebar section { padding:9px 10px; border-bottom:1px solid var(--color-border); }
  .session-sidebar section:last-child { border-bottom:0; }
  .session-sidebar h3 { margin:0 0 7px; font-size:12px; text-transform:uppercase; letter-spacing:.05em; }
  .jump-select { width:100%; border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:6px 7px; color:var(--color-text); background:var(--color-surface); font-size:12px; }
  .turn-select { padding:2px 5px; color:var(--color-text-muted); font-size:12px; font-weight:700; letter-spacing:.02em; }
  .session-file-list { display:grid; gap:5px; padding:9px 11px; }
  .session-file-list code { padding:5px 7px; overflow:hidden; border-left:2px solid var(--color-border); color:var(--color-primary); background:var(--color-surface-subtle); text-overflow:ellipsis; white-space:nowrap; font:12px var(--font-code); }
  .session-mode-tabs { width:max-content; margin:0 0 8px; padding:2px; display:flex; gap:2px; border:1px solid var(--color-border); border-radius:var(--radius-lg); background:var(--color-surface-subtle); }
  .session-mode-tabs button { min-width:64px; min-height:26px; border:0; border-radius:var(--radius-lg); color:var(--color-text-muted); background:transparent; cursor:pointer; font-size:12px; font-weight:800; }
  .session-mode-tabs button[aria-selected="true"] { color:var(--color-surface); background:var(--color-text); box-shadow:0 3px 8px rgba(15,23,42,.16); }
  .session-mode-tabs button:focus-visible, .replay-index-tabs button:focus-visible, .replay-event-list button:focus-visible, .replay-file-list button:focus-visible, .replay-controls button:focus-visible, .replay-stage-files button:focus-visible, .replay-rail-mark:focus-visible { outline:2px solid var(--color-primary); outline-offset:2px; }
  .session-mode-panel[hidden] { display:none; }
  .replay-shell { min-width:0; }
  .replay-boundary { margin-bottom:14px; padding:10px 12px; display:flex; align-items:baseline; gap:10px 16px; border:1px solid var(--color-border); border-left:3px solid var(--color-primary); border-radius:var(--radius-lg); color:var(--color-text-muted); background:var(--color-primary-soft); font-size:12px; line-height:1.5; }
  .replay-boundary strong { flex:none; color:var(--color-primary); }
  /* The index column tracks the real layout width instead of the viewport, so a
     narrow window or an open Drawer narrows the column rather than stacking it
     under the stage where the sticky transport would cover it. */
  .replay-layout { display:grid; grid-template-columns:minmax(0,1fr) clamp(220px,26%,320px); align-items:start; gap:16px; }
  .replay-stage { min-width:0; display:grid; align-content:stretch; }
  .replay-event-card { min-height:280px; overflow:hidden; display:flex; flex-direction:column; border:1px solid var(--color-border); border-top:3px solid var(--color-text-subtle); border-radius:var(--radius-lg); background:var(--color-surface); box-shadow:0 10px 28px rgba(15,23,42,.07); }
  .replay-event-card.prompt { border-top-color:var(--color-primary); }
  .replay-event-card.intermediate { border-top-color:var(--color-warning); }
  .replay-event-card.response { border-top-color:var(--color-success); }
  .replay-event-card.tool-call { border-top-color:var(--color-candidate); }
  .replay-event-card.commit { border-top-color:var(--color-success); }
  .replay-event-card > header { min-height:70px; padding:15px 17px 12px; display:flex; align-items:flex-start; justify-content:space-between; gap:16px; border-bottom:1px solid var(--color-border); }
  .replay-event-card > header small { color:var(--color-text-muted); font-size:12px; font-weight:800; text-transform:uppercase; letter-spacing:.08em; }
  .replay-event-card > header h3 { margin:4px 0 0; color:var(--color-text); font-size:17px; letter-spacing:-.015em; overflow-wrap:anywhere; }
  .replay-event-badges { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:5px; }
  .replay-status, .replay-availability, .replay-excerpt { border-radius:var(--radius-lg); padding:3px 6px; font-size:12px; font-weight:800; text-transform:uppercase; letter-spacing:.05em; }
  .replay-status.failed { color:var(--color-danger); background:var(--red-soft); }
  .replay-availability { color:var(--color-warning); background:var(--amber-soft); }
  .replay-excerpt { color:var(--color-text-muted); background:var(--color-border); }
  .replay-event-meta { min-height:34px; padding:8px 17px; display:flex; flex-wrap:wrap; align-items:center; gap:7px 12px; color:var(--color-text-muted); background:var(--color-surface-subtle); font-size:12px; }
  .replay-event-meta code { color:var(--color-text-muted); font:12px var(--font-code); }
  .replay-event-body { flex:1; padding:18px 17px; overflow:auto; color:var(--color-text); font-size:12px; line-height:1.65; }
  .replay-event-body p { margin:0; white-space:pre-wrap; overflow-wrap:anywhere; }
  .replay-stage-files { padding:0 17px 16px; display:flex; flex-wrap:wrap; align-items:center; gap:6px; }
  .replay-stage-files strong { margin-right:2px; color:var(--color-text-muted); font-size:12px; text-transform:uppercase; letter-spacing:.06em; }
  .replay-stage-files button { max-width:100%; padding:4px 7px; overflow:hidden; border:1px solid var(--color-border); border-radius:var(--radius-lg); color:var(--color-primary); background:var(--color-primary-soft); cursor:pointer; text-overflow:ellipsis; white-space:nowrap; }
  .replay-stage-files code { font:12px var(--font-code); }
  .replay-event-card > footer { min-height:48px; padding:9px 17px; display:flex; align-items:center; justify-content:space-between; gap:12px; border-top:1px solid var(--color-border); color:var(--color-text-muted); background:var(--color-surface-subtle); font-size:12px; }
  /* The index keeps its own readable height instead of stretching to match the
     stage, so a short evidence body cannot shrink the event list. */
  .replay-index { min-width:0; height:430px; overflow:hidden; display:flex; flex-direction:column; border:1px solid var(--color-border); border-radius:var(--radius-lg); background:var(--color-surface); }
  /* Underline tabs, unlike the pill mode tabs, so panel switching does not read
     as a second Trace/Replay control. */
  .replay-index-tabs { padding:0 6px; display:grid; grid-template-columns:1fr 1fr; gap:0; border-bottom:1px solid var(--color-border); background:var(--color-surface); }
  .replay-index-tabs button { min-height:34px; border:0; border-bottom:2px solid transparent; border-radius:0; color:var(--color-text-muted); background:transparent; cursor:pointer; font-size:12px; font-weight:700; }
  .replay-index-tabs button span { margin-left:4px; color:var(--color-text-subtle); font-size:12px; }
  .replay-index-tabs button[aria-selected="true"] { color:var(--color-primary); border-bottom-color:var(--color-primary); font-weight:800; }
  .replay-index-body { min-height:0; flex:1; overflow:auto; }
  .replay-event-list, .replay-file-list { display:grid; }
  .replay-event-list button, .replay-file-list button { width:100%; min-width:0; border:0; border-bottom:1px solid var(--color-border); color:var(--color-text); background:var(--color-surface); text-align:left; cursor:pointer; }
  .replay-event-list button { min-height:50px; padding:7px 9px; display:grid; grid-template-columns:22px minmax(0,1fr) auto; gap:8px; align-items:center; }
  .replay-event-list button:hover, .replay-file-list button:hover { background:var(--color-primary-soft); }
  .replay-event-list button.replay-current { box-shadow:inset 4px 0 0 var(--color-primary); background:var(--color-primary-soft); }
  .replay-event-list button.replay-current .replay-event-copy strong { color:var(--color-primary); font-weight:800; }
  .replay-event-list button.replay-current .replay-event-kind { color:var(--color-primary); font-weight:700; }
  .replay-event-order { width:24px; height:24px; display:grid; place-items:center; border-radius:var(--radius-full); color:var(--color-text-muted); background:var(--color-border); font:12px var(--font-code); }
  .replay-current .replay-event-order { color:var(--color-surface); background:var(--color-primary); }
  .replay-event-copy { min-width:0; display:grid; gap:3px; }
  .replay-event-copy strong, .replay-event-copy small { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .replay-event-copy strong { font-size:12px; }
  .replay-event-copy small { color:var(--color-text-muted); font-size:12px; font-weight:500; }
  .replay-event-kind { color:var(--color-text-muted); font-size:12px; text-transform:capitalize; }
  .replay-file-list button { min-height:48px; padding:8px 10px; display:grid; gap:4px; }
  .replay-file-list code { overflow:hidden; color:var(--color-primary); text-overflow:ellipsis; white-space:nowrap; font:12px var(--font-code); }
  .replay-file-list span { color:var(--color-text-muted); font-size:12px; }
  .replay-transport { position:sticky; bottom:0; z-index:2; margin-top:16px; padding:12px 14px; border:1px solid var(--color-border); border-radius:var(--radius-lg); background:rgba(255,255,255,.98); box-shadow:0 -8px 24px rgba(15,23,42,.08); backdrop-filter:blur(10px); }
  .replay-rail-head { margin-bottom:8px; display:flex; align-items:baseline; justify-content:space-between; gap:12px; }
  .replay-rail-head strong { color:var(--color-text-muted); font-size:12px; text-transform:uppercase; letter-spacing:.06em; }
  .replay-rail-head span { color:var(--color-text-muted); font-size:12px; }
  .replay-rail { min-height:30px; }
  .replay-rail-track { height:12px; position:relative; overflow:visible; border-radius:var(--radius-lg); background:var(--color-border); }
  .replay-rail-fill { position:absolute; inset:0; border-radius:inherit; background:linear-gradient(90deg,var(--color-primary-soft),var(--color-surface-subtle)); }
  .replay-rail-mark { min-width:2px; height:12px; position:absolute; top:0; z-index:1; margin:0; padding:0; border:0; border-radius:var(--radius-xs); background:var(--color-text-subtle); cursor:pointer; }
  /* Event kind is categorical, so it uses the categorical scale. Only failure
     keeps a state colour, and it is drawn as a ring so the kind stays readable
     underneath. Response and Commit previously shared one green, which the
     legend claimed to distinguish. */
  .replay-rail-mark.prompt { background:var(--color-categorical-1); }
  .replay-rail-mark.intermediate { background:var(--color-categorical-5); }
  .replay-rail-mark.response { background:var(--color-categorical-4); }
  .replay-rail-mark.tool-call { background:var(--color-categorical-2); }
  .replay-rail-mark.commit { background:var(--color-categorical-6); }
  .replay-rail-mark.failed { box-shadow:0 0 0 2px var(--color-danger); }
  .replay-rail-mark.replay-current { z-index:2; box-shadow:0 0 0 2px var(--color-surface),0 0 0 4px var(--color-primary); }
  .replay-rail-cursor { width:2px; height:20px; position:absolute; z-index:3; top:-4px; background:var(--color-text); transform:translateX(-1px); pointer-events:none; }
  .replay-rail-labels { margin-top:5px; display:flex; justify-content:space-between; color:var(--color-text-subtle); font:12px var(--font-code); }
  /* The rail encodes event type as colour, so the colours need a named legend. */
  .replay-rail-legend { margin-top:7px; display:flex; flex-wrap:wrap; gap:4px 12px; color:var(--color-text-muted); font-size:12px; }
  .replay-rail-legend span { display:inline-flex; align-items:center; gap:4px; }
  .replay-rail-legend span::before { content:""; width:8px; height:8px; border-radius:var(--radius-xs); background:var(--color-text-subtle); }
  .replay-rail-legend .prompt::before { background:var(--color-categorical-1); }
  .replay-rail-legend .intermediate::before { background:var(--color-categorical-5); }
  .replay-rail-legend .response::before { background:var(--color-categorical-4); }
  .replay-rail-legend .tool-call::before { background:var(--color-categorical-2); }
  .replay-rail-legend .commit::before { background:var(--color-categorical-6); }
  .replay-rail-legend .failed::before { border:2px solid var(--color-danger); background:var(--color-surface); }
  .replay-sequence-rail { display:grid; grid-template-columns:auto minmax(0,1fr) auto; align-items:center; gap:8px; color:var(--color-text-muted); font:12px var(--font-code); }
  .replay-sequence-rail div { height:8px; border-radius:var(--radius-md); background:repeating-linear-gradient(90deg,var(--color-border-strong) 0,var(--color-border-strong) 3px,var(--color-border) 3px,var(--color-border) 7px); }
  .replay-controls { margin-top:10px; display:flex; align-items:center; gap:7px; }
  .replay-controls > button, .replay-speeds button { min-height:30px; border:1px solid var(--color-border); border-radius:var(--radius-lg); color:var(--color-text-muted); background:var(--color-surface); cursor:pointer; font-size:12px; font-weight:800; }
  .replay-controls > button { padding:5px 9px; }
  .replay-controls .replay-play { color:var(--color-surface); border-color:var(--color-primary-hover); background:var(--color-primary); }
  .replay-controls kbd { margin-left:4px; border:1px solid currentColor; border-radius:var(--radius-sm); padding:1px 4px; opacity:.72; font:12px var(--font-code); }
  .replay-position { min-width:0; margin-left:4px; overflow:hidden; color:var(--color-text-muted); text-overflow:ellipsis; white-space:nowrap; font-size:12px; }
  .replay-speeds { margin-left:auto; display:flex; gap:3px; }
  .replay-speeds button { min-width:30px; padding:4px 6px; }
  .replay-speeds button[aria-pressed="true"] { color:var(--color-primary); border-color:var(--color-border-strong); background:var(--color-primary-soft); }
  @media (max-width:1080px) { .window-badge { display:none; } }
  /* Below three-lane width the lanes stack instead of forcing a 730px page to
     scroll sideways, which is what starved the activity chart of room. */
  @media (max-width:1100px) {
    .workspace-scroll { overflow-x:visible; }
    .workbench-list { min-width:0; }
    .workbench-grid, .workbench.delivery-collapsed .workbench-grid { min-width:0; display:block; }
    .lane { border-right:0; border-bottom:1px solid var(--line); }
    .lane:last-child { border-bottom:0; }
    .lane-resizer { display:none; }
    .workbench.delivery-collapsed .delivery-lane { padding:13px; }
    .workbench.delivery-collapsed .delivery-title-copy { display:flex; }
    .workbench.delivery-collapsed .delivery-toggle { width:auto; min-height:0; margin:0; padding:4px 6px; writing-mode:horizontal-tb; }
  }
  @media (max-width:760px) {
    .date-cell { min-height:42px; }
    .date-picker-panel.active { display:block; overflow:auto; }
    .date-session-navigator { max-height:190px; }
    .session-cell { grid-template-columns:46px minmax(0,1fr); gap:6px; }
    .session-cell-marker .turn-select, .session-cell-marker > span { margin-right:5px; padding-inline:2px; font-size:12px; }
    .session-unplaced, .session-outside { margin-left:52px; }
    .session-event.prompt, .session-event.response { grid-template-columns:64px minmax(0,1fr); }
    .session-event.prompt .session-event-head span, .session-event.response .session-event-head span { display:none; }
    .session-process-empty, details.session-process > summary { align-items:flex-start; flex-direction:column; gap:2px; }
    .file-view-switch button, .delivery-toggle { min-width:44px; min-height:44px; }
  }
  @media (max-width:760px) { .app { display:block; } .scope-picker { position:relative; width:100%; height:auto; max-height:340px; border-right:0; border-bottom:1px solid var(--line); } .scope-picker:has(.date-picker-panel.active) { max-height:min(560px,calc(100vh - 64px)); } .workspace-header { position:relative; padding:5px 9px; } .workspace-breadcrumb span:first-child, .workspace-breadcrumb i:first-of-type, .window-badge { display:none; } .workspace-header-meta { gap:0; } .metric { padding:0 4px; } .metric .metric-label { display:none; } .metric .metric-short { display:inline; } .workspace-scroll { padding:0 0 36px; } .workbench { overflow-x:auto; } .workbench-head { gap:6px; padding-left:9px; } .workbench-meta { display:none; } .head-actions { gap:0; } .prepare-button { padding-inline:6px; } .session-shell { padding:16px 14px 38px; } .session-titlebar, .replay-boundary { align-items:flex-start; flex-direction:column; } .session-layout { grid-template-columns:1fr; } .session-sidebar { position:static; grid-row:auto; } .replay-layout { grid-template-columns:1fr; } .replay-index { height:min(46vh,320px); } .replay-event-card { min-height:260px; } .replay-controls { flex-wrap:wrap; } .replay-position { width:100%; order:4; } .replay-speeds { margin-left:0; } }
  @media (max-width:760px) { .workbench-meta { display:flex; } .workbench-duration { display:none; } .workbench-token-summary { max-width:150px; } }
  @media (max-width:520px) { .workspace-header { gap:0; padding:0; } .workspace-breadcrumb { display:none; } .workspace-header-meta { min-width:0; width:100%; display:grid; grid-template-columns:minmax(0,1fr); gap:0; } .scope-index select { width:100%; max-width:none; min-height:32px; border:0; border-bottom:1px solid var(--line); border-radius:0; padding-inline:9px; } .scope-metrics { min-height:30px; justify-content:flex-end; padding-inline:6px; } .metric { padding-inline:4px; } .metric .metric-short { display:inline; } }
  @media (prefers-reduced-motion:reduce) { .session-view *, .session-view *::before, .session-view *::after { scroll-behavior:auto !important; transition-duration:.001ms !important; animation-duration:.001ms !important; animation-iteration-count:1 !important; } }

  /* Session detail: one command bar, one cell stream, one read-only outline. */
  .session-view { background:var(--color-surface); }
  .session-view > .session-nav { position:absolute; top:0; right:18px; left:auto; z-index:5; min-height:68px; padding:0; border:0; background:transparent; backdrop-filter:none; }
  .session-view > .session-nav .session-crumbs { display:none; }
  .session-view > .session-nav .session-close { min-height:34px; border-radius:var(--radius-lg); padding:6px 11px; font-size:12px; }
  .session-shell { width:100%; max-width:none; margin:0; padding:0; }
  .session-titlebar { min-height:68px; margin:0; padding:0 92px 0 26px; display:grid; grid-template-columns:auto minmax(220px,1fr) auto; align-items:center; gap:18px; border-bottom:1px solid var(--color-border); background:var(--color-surface); }
  .session-notebook-brand { display:flex; align-items:baseline; padding-right:18px; border-right:1px solid var(--color-border); white-space:nowrap; }
  .session-notebook-brand strong { font-size:15px; letter-spacing:-.02em; }
  .session-title-copy { min-width:0; }
  .session-title-copy h2 { overflow:hidden; margin:0; color:var(--color-text); text-overflow:ellipsis; white-space:nowrap; font-size:14px; letter-spacing:-.01em; }
  .session-title-actions { display:flex; align-items:center; gap:9px; }
  .session-title-actions .session-mode-tabs[hidden], .session-title-actions .usage-report-return[hidden] { display:none; }
  .session-title-actions .session-mode-tabs { margin:0; padding:2px; border-color:var(--color-border); background:var(--color-surface-subtle); }
  .session-title-actions .session-mode-tabs button { min-width:58px; min-height:29px; font-size:12px; }

  .session-layout { min-height:calc(100vh - 68px); display:grid; grid-template-columns:minmax(0,1fr) 330px; gap:0; align-items:start; }
  .session-notebook-main { min-width:0; width:100%; max-width:1110px; margin:0 auto; padding:26px 18px 44px 26px; }
  /* A Cell is not a card. The In/Out rail is the only structural frame, the
     Prompt tint is the only filled surface, and Process and Result stay flat. */
  .session-timeline { gap:24px; }
  .session-cell { grid-template-columns:78px minmax(0,1fr); gap:0 14px; }
  .session-cell > .session-turn-head { grid-column:2; grid-row:1; }
  .session-cell > .session-cell-marker { grid-column:1; grid-row:2; }
  .session-cell > .session-turn { grid-column:2; grid-row:2; }
  .session-cell-marker { padding:9px 0 3px; border-right-color:var(--color-border); }
  .session-cell-marker .turn-select { margin-right:12px; padding:2px 3px; color:var(--color-primary); font-size:12px; }
  .session-cell-marker > span { margin-right:12px; color:var(--color-success); font-size:12px; }
  .session-turn { overflow:visible; border:0; border-radius:0; background:transparent; box-shadow:none; }
  .session-turn-head { min-height:0; margin:0 0 9px; padding:0; display:flex; align-items:baseline; justify-content:flex-start; gap:12px; border:0; background:transparent; font-size:12px; }
  .session-turn-head strong { color:var(--color-text); font-size:13px; }
  .session-turn-head span { color:var(--color-text-subtle); font-size:12px; text-transform:none; letter-spacing:0; }
  .session-unplaced, .session-outside { display:grid; grid-template-columns:78px minmax(0,1fr); gap:0 14px; }
  .session-unplaced > .session-turn-head, .session-outside > .session-turn-head { grid-column:2; grid-row:1; }
  .session-unplaced > .session-cell-marker, .session-outside > .session-cell-marker { grid-column:1; grid-row:2; padding:9px 0 3px; border-right:1px solid var(--color-border); display:flex; align-items:flex-start; justify-content:flex-end; }
  .session-unplaced > .session-cell-marker span, .session-outside > .session-cell-marker span { margin-right:12px; color:var(--color-text-subtle); font:700 12px var(--font-code); }
  .session-unplaced > .session-turn, .session-outside > .session-turn { grid-column:2; grid-row:2; }
  .session-event.prompt { border-left:2px solid var(--color-border); border-bottom:0; background:var(--color-surface-subtle); }
  .session-event.prompt .session-event-body { padding:10px 14px; font-size:12px; line-height:1.55; }
  .session-event.response { border-bottom:0; }
  .session-event.response .session-event-body { padding:12px 16px 6px; font-size:12px; line-height:1.6; }
  .session-process { margin:13px 0 0; border:0; border-radius:0; background:transparent; }
  details.session-process > summary, .session-process-empty { min-height:26px; padding:0 0 0 16px; justify-content:flex-start; gap:9px; }
  details.session-process > summary::before, .session-process-empty::before { width:9px; color:var(--color-text-subtle); content:"\25B8"; font-size:12px; line-height:1; }
  details.session-process[open] > summary::before { content:"\25BE"; }
  .session-process-empty::before { color:var(--color-border-strong); }
  details.session-process > summary span, .session-process-empty span { color:var(--color-text); font-size:12px; }
  details.session-process > summary em, .session-process-empty em { font-size:12px; }
  .session-process-body { margin:8px 0 0 16px; padding-left:13px; border-top:0; border-left:1px solid var(--color-border); background:transparent; }
  .session-process-facts { margin:0; color:var(--color-text-muted); font-size:12px; line-height:1.55; }
  .session-turn-activity { border:0; background:transparent; }
  .session-turn-activity > div { min-height:92px; padding:0; }
  .session-turn-activity .chart-card { border:0; border-radius:0; }
  .session-turn-activity .chart-toolbar { padding-inline:0; }
  .session-turn-activity .chart-basis { font-size:12px; text-transform:none; letter-spacing:0; }
  .session-turn-activity .chart-reset { display:none; }
  .session-turn-activity .chart-inspector, .session-turn-activity .chart-legend { display:none; }
  .session-cell[data-session-cell="run"] { display:block; }
  .session-cell[data-session-cell="run"] > .session-turn-head { margin-left:92px; }
  .session-cell[data-session-cell="run"] > .session-turn { display:grid; grid-template-columns:78px minmax(0,1fr); gap:0 14px; }
  .session-cell[data-session-cell="run"] .session-row-marker { min-width:0; display:flex; justify-content:flex-end; border-right:1px solid var(--color-border); }
  .session-cell[data-session-cell="run"] .session-input-marker { grid-column:1; grid-row:1; }
  .session-cell[data-session-cell="run"] .session-event.prompt { grid-column:2; grid-row:1; }
  .session-cell[data-session-cell="run"] .session-process-marker { grid-column:1; grid-row:2; }
  .session-cell[data-session-cell="run"] .session-process { grid-column:2; grid-row:2; }
  .session-cell[data-session-cell="run"] .session-output-marker { grid-column:1; grid-row:3; }
  .session-cell[data-session-cell="run"] .session-cell-output { grid-column:2; grid-row:3; }
  .session-cell[data-session-cell="run"] .session-input-marker { padding:9px 12px 8px 0; align-items:flex-start; }
  .session-cell[data-session-cell="run"] .session-process-marker { min-height:39px; }
  .session-cell[data-session-cell="run"] .session-output-marker { padding:15px 12px 0 0; align-items:flex-start; color:var(--color-success); font:700 12px var(--font-code); }
  .session-cell[data-session-cell="run"] .turn-select { padding:2px 3px; color:var(--color-primary); font:700 12px var(--font-code); white-space:nowrap; }
  .session-cell[data-session-cell="run"] .session-event.prompt { display:block; }
  .session-cell[data-session-cell="run"] .session-event.prompt .session-event-body { display:block; }
  .session-cell[data-session-cell="run"] .session-process { min-width:0; }
  .session-process-stream { margin-top:8px; border-top:1px solid var(--color-border); }
  .session-process-stream > .session-event:last-child { border-bottom:0; }
  .session-process-tool-run { background:var(--color-surface-subtle); }
  .session-process-tool-run > summary { cursor:pointer; list-style:none; }
  .session-process-tool-run > summary::-webkit-details-marker { display:none; }
  .session-process-tool-run > summary::after { content:"⌄"; color:var(--color-text-subtle); }
  .session-process-tool-run[open] > summary::after { transform:rotate(180deg); }
  .session-process-combined-summary { display:grid; grid-template-columns:minmax(170px,.7fr) minmax(0,1.3fr) auto; align-items:center; gap:12px; }
  .session-process-tool-summary { min-width:0; display:grid; grid-template-columns:auto minmax(0,1fr); align-items:center; gap:10px; }
  .session-process-tool-summary > span { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .session-usage-inline { min-width:0; display:grid; grid-template-columns:auto minmax(0,1fr); align-items:center; gap:8px; }
  .session-process-combined[data-tools-visible="false"] > summary { grid-template-columns:minmax(0,1fr); cursor:default; }
  .session-process-combined[data-tools-visible="false"] > summary::after { display:none; }
  .session-process-tool-body.session-hidden { display:none; }
  .session-tool-unavailable .session-event-body { display:flex; align-items:baseline; justify-content:space-between; gap:10px; color:var(--color-text-subtle); }
  .session-tool-unavailable .session-event-body strong { color:var(--color-text-muted); font-size:12px; }
  .session-tool-unavailable .session-event-body span { font-size:12px; }
  .session-cell-output { min-width:0; border-top:0; background:transparent; }
  .session-outcome { min-width:0; padding:12px 0 0; border-top:1px solid var(--color-border); }
  .session-outcome > header { min-height:28px; display:flex; align-items:baseline; justify-content:space-between; gap:12px; }
  .session-outcome > header strong { color:var(--color-text); font-size:12px; }
  .session-outcome > header span { color:var(--color-text-muted); font-size:12px; }
  .session-outcome > header [data-response-status="incomplete"] { color:var(--color-warning); }
  .session-outcome-facts { margin:5px 0 8px; padding:0; display:flex; flex-wrap:wrap; gap:6px; list-style:none; }
  .session-outcome-facts li { border-radius:var(--radius-full); padding:3px 8px; color:var(--color-text-muted); background:var(--color-surface-subtle); font-size:12px; }
  .session-outcome-facts strong { color:var(--color-text); }
  .session-outcome-empty, .session-patch-unavailable { margin:6px 0 9px; color:var(--color-text-muted); font-size:12px; }
  .session-patch-unavailable { padding:7px 9px; border-left:2px solid var(--color-warning); background:var(--color-warning-surface); }
  .session-outcome-paths { margin:8px 0; }
  .session-outcome-paths > span, .session-response-label { display:block; margin-bottom:5px; color:var(--color-text-muted); font-size:12px; font-weight:700; }
  .session-outcome-paths > div { display:flex; flex-wrap:wrap; gap:5px; }
  .session-outcome-paths code { max-width:100%; overflow:hidden; border-left:2px solid var(--color-border); padding:3px 6px; color:var(--color-primary); background:var(--color-surface); text-overflow:ellipsis; white-space:nowrap; font:12px var(--font-code); }
  .session-outcome .session-event.response { display:block; margin-top:8px; padding-top:9px; border-top:1px solid var(--color-border); }
  .session-outcome .session-event.response .session-event-body { display:block; padding:0 0 7px; }
  .session-markdown { min-width:0; color:var(--color-text); font-size:12px; line-height:1.58; overflow-wrap:anywhere; }
  .session-markdown > :first-child { margin-top:0; }
  .session-markdown > :last-child { margin-bottom:0; }
  .session-markdown h2, .session-markdown h3, .session-markdown h4, .session-markdown h5 { margin:13px 0 6px; color:var(--color-text); line-height:1.3; }
  .session-markdown h2 { font-size:15px; }
  .session-markdown h3 { font-size:13px; }
  .session-markdown h4, .session-markdown h5 { font-size:12px; }
  .session-markdown p { margin:7px 0; }
  .session-markdown ul, .session-markdown ol { margin:7px 0; padding-left:20px; }
  .session-markdown li { margin:3px 0; }
  .session-markdown a { color:var(--color-primary); text-decoration-thickness:1px; text-underline-offset:2px; }
  .session-markdown code { border-radius:var(--radius-md); padding:1px 4px; color:var(--color-warning); background:var(--color-warning-surface); font:12px var(--font-code); }
  .session-markdown pre { max-width:100%; overflow:auto; margin:8px 0; border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:9px 10px; background:var(--color-surface-subtle); }
  .session-markdown pre code { padding:0; color:var(--color-text); background:transparent; white-space:pre; }
  .session-overall-activity { margin:6px 0 0 92px; }
  .session-overall-activity .session-axis-panel { margin:0; overflow:hidden; border:0; border-top:1px solid var(--color-border); border-radius:0; background:transparent; }
  .session-overall-activity .session-axis-panel > summary { min-height:44px; padding:14px 0 6px; color:var(--color-text); background:transparent; font-size:12px; text-transform:none; letter-spacing:0; }
  .session-overall-activity .session-axis-panel > summary small { font-size:12px; }
  .session-overall-activity .session-axis { padding:2px 0 12px; }

  .session-sidebar { position:sticky; top:0; min-width:0; min-height:calc(100vh - 68px); max-height:calc(100vh - 68px); overflow-x:hidden; overflow-y:auto; grid-template-columns:minmax(0,1fr); align-content:start; border:0; border-left:1px solid var(--color-border); border-radius:0; background:var(--color-surface); }
  .session-sidebar > * { min-width:0; }
  .session-sidebar > header { min-height:36px; padding:0 12px; display:flex; align-items:center; justify-content:space-between; gap:10px; border-bottom:1px solid var(--color-border); }
  .session-sidebar > header strong { color:var(--color-text); font-size:15px; }
  .session-sidebar > header span { color:var(--color-text-subtle); font-size:12px; }
  .session-sidebar section { padding:15px 22px; border-bottom-color:var(--color-border); }
  .session-sidebar h3 { margin-bottom:10px; color:var(--color-text-muted); font-size:12px; text-transform:none; letter-spacing:0; }
  .session-sidebar .session-outline-activity { padding:0; }
  .session-outline-activity .session-axis-panel { margin:0; border:0; border-radius:0; }
  .session-outline-activity .session-axis-panel > summary { min-height:54px; padding:10px 22px; color:var(--color-text); font-size:12px; text-transform:none; letter-spacing:0; }
  .session-outline-activity .session-axis-panel > summary small { font-size:12px; }
  .session-outline-activity .session-axis { padding:0 12px 10px; }
  .session-outline-activity .chart-toolbar { flex-wrap:wrap; }
  .session-outline-activity .chart-range { width:100%; }
  .session-sidebar .session-outline-controls { padding:8px 12px; }
  .session-sidebar .jump-select { min-width:0; width:100%; min-height:32px; border-radius:var(--radius-md); padding:5px 7px; font-size:12px; }
  .session-sidebar .session-facts-compact { padding:8px 12px; border-bottom:1px solid var(--color-border); }
  .session-sidebar .session-facts-compact h3 { margin:0 0 6px; color:var(--color-text-muted); font-size:12px; font-weight:700; }
  .session-filter-list { display:grid; gap:8px; }
  .session-filter { min-width:0; display:grid; grid-template-columns:15px minmax(0,1fr) auto; align-items:center; gap:6px; color:var(--color-text); font-size:12px; }
  .session-filter.subtype { margin-left:22px; color:var(--color-text-subtle); font-size:12px; }
  .session-filter input { width:14px; height:14px; margin:0; accent-color:var(--color-text-muted); }
  .session-filter span { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .session-filter em { color:var(--color-text-subtle); font-style:normal; }
  .session-filter-disclosure { border-bottom:1px solid var(--color-border); }
  .session-filter-disclosure > summary { min-height:48px; padding:10px 22px; display:flex; align-items:center; justify-content:space-between; gap:10px; color:var(--color-text-muted); cursor:pointer; list-style:none; font-size:12px; font-weight:700; }
  .session-filter-disclosure > summary::-webkit-details-marker { display:none; }
  .session-filter-disclosure > summary em { color:var(--color-text-subtle); font-size:12px; font-style:normal; font-weight:500; }
  .session-filter-disclosure .session-filter-list { padding:0 22px 16px; }
  .session-facts-compact dl { margin:0; display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.65fr) minmax(54px,.65fr); gap:8px; }
  .session-facts-compact dl div { min-width:0; min-height:28px; display:grid; align-content:center; gap:1px; }
  .session-facts-compact dt { color:var(--color-text-subtle); font-size:12px; }
  .session-facts-compact dd { min-width:0; margin:0; overflow:hidden; color:var(--color-text); text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-weight:600; }
  .session-hidden { display:none !important; }
  .session-sidebar .session-usage-summary { padding:16px 22px 20px; border-bottom:0; }
  .session-usage-head { display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
  .session-usage-head > div { min-width:0; }
  .session-sidebar .session-usage-head h3 { margin:0; color:var(--color-text); font-size:13px; font-weight:750; }
  .session-usage-head span { display:block; margin-top:2px; color:var(--color-text-subtle); font-size:12px; }
  .usage-report-link, .usage-report-return { min-height:30px; border:1px solid var(--color-border); border-radius:var(--radius-md); padding:5px 9px; color:var(--color-primary); background:var(--color-surface); cursor:pointer; font-size:12px; font-weight:700; white-space:nowrap; }
  .usage-report-link:hover, .usage-report-return:hover { border-color:var(--color-border-strong); background:var(--color-primary-soft); }
  .usage-summary-metrics { margin:14px 0 12px; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px 12px; }
  .usage-summary-metrics div { min-width:0; display:grid; gap:2px; }
  .usage-summary-metrics dt { color:var(--color-text-subtle); font-size:12px; }
  .usage-summary-metrics dd { margin:0; overflow:hidden; color:var(--color-text); text-overflow:ellipsis; white-space:nowrap; font-size:17px; font-weight:750; font-variant-numeric:tabular-nums; letter-spacing:-.02em; }
  .usage-summary-freshness { margin:10px 0 0; color:var(--color-text-subtle); font-size:12px; line-height:16px; overflow-wrap:anywhere; }
  .usage-summary-boundary, .usage-summary-diagnostics { margin:8px 0 0; color:var(--color-text-muted); font-size:12px; line-height:17px; }
  .usage-summary-diagnostics { padding:6px 8px; color:var(--color-warning); background:var(--color-warning-surface); }
  .usage-summary-reuse { margin-top:14px; padding-top:12px; border-top:1px solid var(--color-border); }
  .usage-summary-reuse p, .usage-reuse-note { margin:7px 0 0; color:var(--color-text-muted); font-size:12px; line-height:17px; }
  .usage-context-meta { margin-bottom:7px; display:flex; align-items:baseline; justify-content:space-between; gap:10px; font-size:12px; }
  .usage-context-meta strong { color:var(--color-text); }
  .usage-context-meta span { color:var(--color-text-muted); font-variant-numeric:tabular-nums; }
  .usage-context-bar { width:100%; height:8px; overflow:hidden; display:flex; gap:2px; border-radius:var(--radius-full); background:var(--color-surface-hover); }
  .usage-context-bar > i { min-width:2px; height:100%; }
  .usage-context-unused { background:var(--color-border); }
  .category-0 { background:var(--color-categorical-1); }
  .category-1 { background:var(--color-categorical-2); }
  .category-2 { background:var(--color-categorical-3); }
  .category-3 { background:var(--color-categorical-4); }
  .category-4 { background:var(--color-categorical-5); }
  .category-5 { background:var(--color-categorical-6); }
  .category-6 { background:var(--color-categorical-7); }
  .category-7 { background:var(--color-categorical-7); }
  .usage-summary-legend, .usage-composition-list { margin:12px 0 0; padding:0; display:grid; gap:7px; list-style:none; }
  .usage-summary-legend li, .usage-composition-list li { min-width:0; display:grid; grid-template-columns:10px minmax(0,1fr) auto; align-items:center; gap:8px; color:var(--color-text-muted); font-size:12px; }
  .usage-summary-legend i, .usage-composition-list i { width:9px; height:9px; border-radius:var(--radius-xs); }
  .usage-summary-legend span, .usage-composition-list span { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .usage-summary-legend strong, .usage-composition-list strong { color:var(--color-text); font-size:12px; font-variant-numeric:tabular-nums; }
  .usage-summary-more { display:block !important; padding-left:18px; color:var(--color-text-subtle) !important; }
  .usage-summary-unavailable, .usage-report-unavailable { margin:11px 0 0; color:var(--color-text-muted); font-size:12px; }
  .usage-report { min-height:calc(100vh - 138px); background:var(--color-surface); }
  .usage-report-lead { min-width:0; padding:16px 28px 18px; border-bottom:1px solid var(--color-border); background:var(--color-surface-subtle); }
  .usage-report-heading { min-width:0; display:flex; align-items:baseline; flex-wrap:wrap; gap:4px 12px; }
  .usage-report-heading h3 { margin:0; color:var(--color-text); font-size:16px; }
  .usage-report-heading p { margin:0; color:var(--color-text-muted); font-size:12px; }
  .usage-report-summary { min-width:0; margin-top:12px; display:grid; grid-template-columns:minmax(260px,1.45fr) minmax(0,4fr); overflow:hidden; border:1px solid var(--color-border); background:var(--color-surface); }
  .usage-report-occupancy, .usage-report-lead-facts > div { min-width:0; min-height:104px; padding:12px 14px; display:grid; align-content:center; gap:3px; background:var(--color-surface); }
  .usage-report-occupancy { border-right:1px solid var(--color-border); }
  .usage-report-evidence { min-width:0; padding:0 28px; border-bottom:1px solid var(--color-border); background:var(--color-surface); }
  .usage-report-evidence > summary { min-height:46px; display:flex; align-items:center; flex-wrap:wrap; gap:3px 10px; color:var(--color-text); cursor:pointer; font-size:12px; font-weight:700; }
  .usage-report-evidence > summary small { color:var(--color-text-muted); font-size:12px; font-weight:400; }
  .usage-report-evidence[open] > summary { border-bottom:1px solid var(--color-border); }
  .usage-report-evidence[open] .usage-evidence-groups { margin:14px 0 18px; }
  .usage-evidence-groups { min-width:0; overflow:hidden; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); border:1px solid var(--color-border); border-radius:var(--radius-lg); background:var(--color-surface); }
  .usage-evidence-group { min-width:0; padding:8px 12px 9px; border-right:1px solid var(--color-border); }
  .usage-evidence-group:last-child { border-right:0; }
  .usage-evidence-group-title { display:block; margin:0 0 5px; color:var(--color-text-subtle); font-size:12px; font-weight:750; text-transform:uppercase; letter-spacing:.04em; }
  .usage-evidence-group .usage-report-facts { gap:3px; }
  .usage-evidence-group .usage-report-facts div { gap:8px; }
  .usage-evidence-group .usage-report-facts dd { overflow:visible; text-align:right; text-overflow:clip; white-space:normal; overflow-wrap:anywhere; }
  .usage-context-values { min-width:0; display:flex; align-items:baseline; flex-wrap:wrap; gap:2px 7px; font-variant-numeric:tabular-nums; }
  .usage-report-occupancy .usage-context-current { color:var(--color-text); font-size:25px; line-height:1; letter-spacing:-.04em; }
  .usage-report-occupancy .usage-context-plus { color:var(--color-text-subtle); font-size:16px; font-weight:650; line-height:1; }
  .usage-report-occupancy .usage-context-history { min-width:0; color:var(--color-candidate); font-size:18px; line-height:1.05; letter-spacing:-.025em; overflow-wrap:anywhere; }
  .usage-report-occupancy span { color:var(--color-text); font-size:12px; font-weight:700; }
  .usage-report-occupancy small { color:var(--color-text-muted); font-size:12px; }
  .usage-report-freshness { margin:2px 0 0; color:var(--color-text-muted); font-size:12px; line-height:16px; overflow-wrap:anywhere; }
  .usage-summary-tile-heading { min-width:0; display:flex; align-items:center; justify-content:space-between; gap:6px; }
  .usage-summary-compactions { flex:none; color:var(--color-candidate); font-size:13px; font-style:normal; font-weight:750; white-space:nowrap; }
  .usage-report-occupancy .usage-context-bar, .usage-report-occupancy .usage-occupancy-bar { height:6px; margin-top:4px; }
  .usage-report-lead-facts, .usage-report-facts { margin:0; display:grid; gap:9px; }
  .usage-report-lead-facts div, .usage-report-facts div { min-width:0; display:flex; align-items:baseline; justify-content:space-between; gap:12px; }
  .usage-report-lead-facts div, .usage-report-evidence > .usage-report-facts div { display:grid; align-items:initial; justify-content:initial; gap:2px; }
  .usage-report-lead-facts dt, .usage-report-facts dt { color:var(--color-text-muted); font-size:12px; }
  .usage-report-lead-facts dd, .usage-report-facts dd { min-width:0; margin:0; overflow:hidden; color:var(--color-text); text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-weight:700; }
  .usage-report-lead-facts { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:0; }
  .usage-report-lead-facts div { display:grid; align-content:center; align-items:initial; justify-content:initial; gap:5px; }
  .usage-report-lead-facts > div { border-right:1px solid var(--color-border); }
  .usage-report-lead-facts > div:last-child { border-right:0; }
  .usage-report-lead-facts dd { font-size:16px; line-height:1.1; letter-spacing:-.02em; font-variant-numeric:tabular-nums; }
  .usage-report-reuse-tile dd { overflow:visible; display:grid; gap:4px; white-space:normal; }
  .usage-report-reuse-tile dd > strong { color:var(--color-text); font-size:16px; line-height:1.1; }
  .usage-report-reuse-tile .usage-reuse-bar { height:6px; margin-top:1px; }
  .usage-report-reuse-tile small { color:var(--color-text-muted); font-size:12px; font-weight:400; letter-spacing:0; line-height:15px; }
  .usage-report-context-note { margin:8px 0 0; color:var(--color-text-subtle); font-size:12px; line-height:16px; }
  .usage-report-section { padding:22px 28px 24px; border-bottom:1px solid var(--color-border); }
  .usage-report-section > header { margin-bottom:15px; display:flex; align-items:flex-start; justify-content:space-between; gap:18px; }
  .usage-report-section h4 { margin:0; color:var(--color-text); font-size:14px; }
  .usage-report-section header p { margin:3px 0 0; color:var(--color-text-muted); font-size:12px; }
  .usage-report-section header > strong { color:var(--color-text-muted); font-size:12px; font-weight:650; white-space:nowrap; }
  .usage-report .usage-context-bar { height:11px; }
  .usage-composition-list { margin-top:15px; grid-template-columns:repeat(2,minmax(0,1fr)); gap:9px 28px; }
  .usage-composition-list li { grid-template-columns:12px minmax(0,1fr) auto; }
  .usage-composition-list i { width:11px; height:11px; }
  .usage-composition-unused i { background:var(--color-border); }
  .usage-structure-list { margin:14px 0 0; padding:0; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px 28px; list-style:none; }
  .usage-structure-list li { min-width:0; display:grid; grid-template-columns:minmax(0,1fr) auto; align-items:center; gap:8px; color:var(--color-text-muted); font-size:12px; }
  .usage-structure-list li > i { width:9px; height:9px; border-radius:var(--radius-xs); }
  .usage-structure-list span { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .usage-structure-list strong { color:var(--color-text); font-size:12px; font-variant-numeric:tabular-nums; }
  .usage-structure-list small { color:var(--color-text-subtle); text-align:right; font-size:12px; font-variant-numeric:tabular-nums; }
  .usage-structure-list.count-only small { display:none; }
  .usage-structure-meta { margin-top:14px; padding-top:12px; border-top:1px solid var(--color-border); }
  .usage-context-chart { min-width:0; padding:10px 12px 8px; border:1px solid var(--color-border); background:var(--color-surface-subtle); }
  .usage-context-chart svg { width:100%; min-height:170px; display:block; overflow:visible; }
  .usage-context-chart text { fill:var(--color-text-subtle); font-size:12px; font-family:var(--font-code); }
  .usage-chart-grid { stroke:var(--color-border); stroke-width:1; vector-effect:non-scaling-stroke; }
  .usage-chart-line { fill:none; stroke:var(--color-primary); stroke-width:2; stroke-linecap:round; stroke-linejoin:round; vector-effect:non-scaling-stroke; }
  .usage-chart-boundary { stroke:var(--color-candidate); stroke-width:1; stroke-dasharray:5 4; vector-effect:non-scaling-stroke; }
  .usage-chart-turn, .usage-chart-key-marker { cursor:pointer; }
  .usage-chart-turn:focus, .usage-chart-key-marker:focus { outline:none; }
  .usage-chart-turn-hit, .usage-chart-point-hit { fill:transparent; pointer-events:all; }
  .usage-chart-turn-marker { stroke:var(--color-categorical-4); stroke-width:2.5; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-chart-point { fill:var(--color-primary); stroke:var(--color-surface); stroke-width:2; vector-effect:non-scaling-stroke; }
  .usage-chart-point.boundary-shrink { fill:var(--color-warning); }
  .usage-chart-point.boundary-model-change { fill:var(--color-candidate); }
  .usage-chart-turn:hover .usage-chart-turn-marker, .usage-chart-turn:focus .usage-chart-turn-marker { stroke:var(--color-focus); stroke-width:4; }

  .usage-chart-key-marker:hover .usage-chart-point, .usage-chart-key-marker:focus .usage-chart-point { stroke:var(--color-focus); stroke-width:3; }
  .usage-chart-legend { margin-top:7px; display:flex; flex-wrap:wrap; gap:8px 16px; color:var(--color-text-muted); font-size:12px; }
  .usage-chart-legend span { display:flex; align-items:center; gap:6px; }
  .usage-chart-legend i { width:9px; height:9px; border-radius:var(--radius-full); background:var(--color-primary); }
  .usage-chart-legend i.shrink { background:var(--color-warning); }
  .usage-chart-legend i.boundary { border-radius:0; background:var(--color-candidate); }
  .usage-chart-inspector { min-height:42px; margin-top:7px; padding:7px 2px 0; display:grid; gap:2px; border-top:1px solid var(--color-border); font-size:12px; }
  .usage-chart-inspector strong, .usage-chart-inspector span { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .usage-chart-inspector strong { color:var(--color-text); }
  .usage-chart-inspector span { color:var(--color-text-muted); }
  .usage-progress-details { margin-top:16px; }
  .usage-progress-details > summary { min-height:34px; display:flex; align-items:center; color:var(--color-text); cursor:pointer; font-size:12px; font-weight:700; }
  .usage-progress-head, .usage-progress-list li { min-width:0; display:grid; grid-template-columns:minmax(150px,1.5fr) repeat(4,minmax(88px,1fr)); align-items:center; gap:14px; }
  .usage-progress-head { min-height:30px; padding:0 8px; border-top:1px solid var(--color-border); color:var(--color-text-subtle); font-size:12px; }
  .usage-progress-list { margin:0; padding:0; display:grid; gap:0; list-style:none; }
  .usage-progress-list li { min-height:42px; padding:6px 8px; border-top:1px solid var(--color-border); font-variant-numeric:tabular-nums; }
  .usage-progress-list li > div:first-child { min-width:0; display:grid; }
  .usage-progress-list li strong { color:var(--color-text); font-size:12px; }
  .usage-progress-list li span { overflow:hidden; color:var(--color-text-muted); text-overflow:ellipsis; white-space:nowrap; font-size:12px; }
  .usage-progress-list li small { overflow:hidden; color:var(--color-text-subtle); text-overflow:ellipsis; white-space:nowrap; font-size:12px; }
  .usage-progress-list li .usage-row-turn-boundary { color:var(--color-categorical-4); font-weight:600; }
  .usage-progress-list li .usage-row-turn-continuation { color:var(--color-text-muted); }
  .usage-progress-list li.boundary-shrink .usage-delta { color:var(--color-warning); font-weight:700; }
  .usage-progress-list li.boundary-model-change .usage-delta { color:var(--color-candidate); font-weight:700; }
  .usage-progress-bar { height:7px; overflow:hidden; border-radius:var(--radius-full); background:var(--color-border); }
  .usage-progress-bar i { display:block; height:100%; background:var(--color-primary); }
  .usage-processing-bar { width:100%; height:12px; overflow:hidden; display:flex; gap:2px; background:var(--color-surface-hover); }
  .usage-processing-bar i { min-width:2px; height:100%; }
  .bucket-cache-read { background:var(--color-categorical-2); }
  .bucket-cache-write { background:var(--color-categorical-5); }
  .bucket-input { background:var(--color-categorical-3); }
  .bucket-output { background:var(--color-categorical-4); }
  .usage-processing-list { margin:14px 0 0; padding:0; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px 28px; list-style:none; }
  .usage-processing-list li { min-width:0; display:grid; grid-template-columns:10px minmax(0,1fr) auto 42px; align-items:center; gap:8px; color:var(--color-text-muted); font-size:12px; }
  .usage-processing-list li > i { width:9px; height:9px; }
  .usage-processing-list strong { color:var(--color-text); font-variant-numeric:tabular-nums; }
  .usage-processing-list small { color:var(--color-text-subtle); font-size:12px; text-align:right; font-variant-numeric:tabular-nums; }
  .usage-reuse-bar { width:100%; height:12px; overflow:hidden; display:flex; gap:2px; border-radius:var(--radius-full); background:var(--color-surface-hover); }
  .usage-summary-reuse .usage-reuse-bar { height:8px; }
  .usage-reuse-bar > i { min-width:2px; height:100%; }
  .reuse-cached { background:var(--color-categorical-4); }
  .reuse-created { background:var(--color-categorical-5); }
  .reuse-uncached { background:var(--color-border-strong); }
  .usage-reuse-list { margin:14px 0 0; padding:0; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:8px 28px; list-style:none; }
  .usage-reuse-list li { min-width:0; display:grid; grid-template-columns:10px minmax(0,1fr) auto 42px; align-items:center; gap:8px; color:var(--color-text-muted); font-size:12px; }
  .usage-reuse-list li > i { width:9px; height:9px; }
  .usage-reuse-list strong { color:var(--color-text); font-variant-numeric:tabular-nums; }
  .usage-reuse-list small, .usage-structure-list small { color:var(--color-text-subtle); text-align:right; font-size:12px; font-variant-numeric:tabular-nums; }
  .usage-row-reuse { overflow:hidden; color:var(--color-categorical-4); text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-style:normal; font-weight:700; }
  .usage-linked-explorer { min-width:0; overflow:hidden; border:1px solid var(--color-border); background:var(--color-surface); }
  .usage-overview { min-width:0; padding:8px 12px 4px; border-bottom:1px solid var(--color-border); background:var(--color-surface-subtle); }
  .usage-overview svg { width:100%; min-height:94px; display:block; overflow:visible; }
  .usage-overview-prompt-actions { display:none; }
  .usage-overview text, .usage-focus-chart text { fill:var(--color-text-subtle); font-size:12px; font-family:var(--font-code); }
  .usage-overview-brush { fill:var(--color-primary-soft); stroke:var(--color-primary); stroke-width:1; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-overview-handle { fill:var(--color-surface); stroke:var(--color-primary); stroke-width:1.5; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-overview-handle-hit { fill:transparent; cursor:ew-resize; pointer-events:all; touch-action:none; }
  .usage-overview-turn-marker { cursor:pointer; }
  .usage-overview-turn-hit { fill:transparent; pointer-events:all; }
  .usage-overview-turn { stroke:var(--color-categorical-4); stroke-width:1; opacity:.55; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-overview-turn-chip { fill:var(--color-primary-soft); stroke:var(--color-primary); stroke-width:1; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-overview-turn-label { fill:var(--color-primary) !important; font-family:var(--font-sans) !important; font-size:12px !important; font-weight:700; pointer-events:none; }
  .usage-overview-turn-chip, .usage-overview-turn-label { opacity:0; transition:opacity .1s ease; }
  .usage-overview-turn-marker.selected .usage-overview-turn-chip, .usage-overview-turn-marker.selected .usage-overview-turn-label { opacity:1; }
  .usage-overview-prompt-tooltip { opacity:0; overflow:visible; pointer-events:none; transition:opacity .1s ease; }
  .usage-overview-prompt-tooltip div { width:100%; height:100%; box-sizing:border-box; overflow:hidden; padding:4px 7px; display:grid; align-content:center; gap:1px; border:1px solid var(--color-border-strong); border-radius:var(--radius-md); background:var(--color-surface); }
  .usage-overview-prompt-tooltip strong, .usage-overview-prompt-tooltip span { overflow:hidden; color:var(--color-text); text-overflow:ellipsis; white-space:nowrap; font-family:var(--font-sans); font-size:12px; line-height:14px; }
  .usage-overview-prompt-tooltip strong { font-weight:650; }
  .usage-overview-prompt-tooltip span { color:var(--color-text-muted); font-weight:400; }
  .usage-overview-turn-marker:hover .usage-overview-prompt-tooltip, .usage-overview svg:focus .usage-overview-turn-marker.selected .usage-overview-prompt-tooltip { opacity:1; }
  .usage-overview-turn-marker:hover .usage-overview-turn-chip, .usage-overview-turn-marker:hover .usage-overview-turn-label, .usage-overview svg:focus .usage-overview-turn-marker.selected .usage-overview-turn-chip, .usage-overview svg:focus .usage-overview-turn-marker.selected .usage-overview-turn-label { opacity:0; }
  .usage-overview svg:has(.usage-overview-turn-marker:hover) .usage-overview-turn-marker.selected:not(:hover) .usage-overview-turn-chip, .usage-overview svg:has(.usage-overview-turn-marker:hover) .usage-overview-turn-marker.selected:not(:hover) .usage-overview-turn-label { opacity:0; }
  .usage-overview-turn-marker:hover .usage-overview-turn { opacity:1; stroke:var(--color-focus); stroke-width:1.5; }
  .usage-overview-turn-marker.selected .usage-overview-turn { opacity:1; stroke:var(--color-primary); stroke-width:1.5; }
  .usage-overview-surface, .usage-focus-surface { fill:transparent; cursor:crosshair; }
  .usage-overview-event, .usage-focus-event { fill:var(--color-warning); stroke:var(--color-surface); stroke-width:1; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-overview-event.boundary-model-change, .usage-focus-event.boundary-model-change { fill:var(--color-candidate); }
  .usage-window-toolbar { min-height:38px; padding:4px 12px; display:flex; align-items:center; gap:8px; border-bottom:1px solid var(--color-border); background:var(--color-surface); }
  .usage-window-summary { min-width:150px; display:flex; align-items:baseline; gap:8px; }
  .usage-window-edge-controls { min-width:260px; flex:1; display:grid; grid-template-columns:repeat(2,minmax(110px,1fr)); gap:8px; }
  .usage-window-toolbar strong { color:var(--color-text); font-size:12px; }
  .usage-window-toolbar span { color:var(--color-text-muted); font-size:12px; }
  .usage-window-toolbar label { min-width:0; display:flex; align-items:center; gap:6px; color:var(--color-text-muted); font-size:12px; }
  .usage-window-toolbar input { min-width:80px; width:100%; min-height:30px; accent-color:var(--color-primary); }
  .usage-window-toolbar button, .usage-response-actions button { min-height:30px; border:1px solid var(--color-border-strong); border-radius:var(--radius-md); padding:4px 9px; color:var(--color-text); background:var(--color-surface); cursor:pointer; font-size:12px; }
  .usage-window-toolbar button:hover, .usage-response-actions button:hover { background:var(--color-surface-hover); }
  .usage-window-toolbar button:disabled, .usage-response-actions button:disabled { color:var(--color-text-subtle); cursor:default; background:var(--color-surface-subtle); }
  .usage-window-toolbar button:focus-visible, .usage-response-actions button:focus-visible, .usage-overview svg:focus-visible, .usage-focus-chart:focus-visible { outline:2px solid var(--color-focus); outline-offset:1px; }
  .usage-focus-layout { min-width:0; display:grid; grid-template-columns:minmax(0,1fr) 220px; border-bottom:1px solid var(--color-border); }
  .usage-focus-layout .usage-context-chart { border:0; border-right:1px solid var(--color-border); background:var(--color-surface-subtle); }
  .usage-focus-chart { cursor:crosshair; }
  .usage-focus-point { cursor:crosshair; }
  .usage-focus-point-hit { fill:transparent; pointer-events:all; }
  .usage-hover-line { opacity:0; stroke:var(--color-text-subtle); stroke-width:1; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-hover-point { opacity:0; fill:var(--color-primary); stroke:var(--color-surface); stroke-width:2; vector-effect:non-scaling-stroke; pointer-events:none; }
  @media (hover:hover) {
    .usage-focus-point:hover .usage-hover-line, .usage-focus-point:hover .usage-hover-point { opacity:1; }
  }
  .usage-selection-line { stroke:var(--color-primary); stroke-width:1.5; stroke-dasharray:4 3; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-selection-point { fill:var(--color-primary); stroke:var(--color-surface); stroke-width:2; vector-effect:non-scaling-stroke; pointer-events:none; }
  .usage-inspect-strip { min-height:38px; margin:8px -12px -8px; overflow-x:auto; display:grid; grid-template-columns:minmax(120px,1fr) repeat(5,minmax(72px,auto)); align-items:stretch; border-top:1px solid var(--color-border); color:var(--color-text-muted); background:var(--color-surface); font-size:12px; font-variant-numeric:tabular-nums; scrollbar-width:thin; }
  .usage-inspect-strip.with-processed { grid-template-columns:minmax(120px,1fr) repeat(6,minmax(72px,auto)); }
  .usage-inspect-strip > div, .usage-inspect-strip > span { min-width:0; padding:7px 10px; display:flex; align-items:baseline; justify-content:space-between; gap:8px; border-left:1px solid var(--color-border); white-space:nowrap; }
  .usage-inspect-strip > :first-child { border-left:0; }
  .usage-inspect-strip small { overflow:hidden; color:var(--color-text-subtle); text-overflow:ellipsis; font-size:12px; }
  .usage-inspect-strip strong { overflow:hidden; color:var(--color-text); text-overflow:ellipsis; font-size:12px; font-weight:650; }
  .usage-inspect-strip[data-usage-inspect-mode="hover"] .usage-inspect-identity strong { color:var(--color-primary); }

  /* The SVG viewBox expands with wide report panes. Keep chart annotations and
     visible range handles subordinate to the data while leaving their larger,
     transparent pointer targets unchanged. */
  @media (min-width:1600px) {
    .usage-overview > svg > text, .usage-focus-chart > text { transform-box:fill-box; transform-origin:left center; transform:scale(.76); }
    .usage-overview-handle, .usage-overview-turn-chip, .usage-overview-turn-label { transform-box:fill-box; transform-origin:center; transform:scale(.76); }
  }
  @media (min-width:2400px) {
    .usage-overview > svg > text, .usage-focus-chart > text { transform:scale(.5); }
    .usage-overview-handle, .usage-overview-turn-chip, .usage-overview-turn-label { transform:scale(.5); }
  }
  @media (min-width:3000px) {
    .usage-overview > svg > text, .usage-focus-chart > text { transform:scale(.4); }
    .usage-overview-handle, .usage-overview-turn-chip, .usage-overview-turn-label { transform:scale(.4); }
  }
  .usage-inspect-strip.empty { display:flex; align-items:center; }
  .usage-inspect-strip.empty p { margin:0; padding:7px 10px; color:var(--color-text-muted); font-size:12px; }
  .usage-rail-label { fill:var(--color-text-muted) !important; font-family:var(--font-sans) !important; pointer-events:none; }
  .usage-response-detail { min-width:0; padding:12px; display:grid; align-content:start; gap:12px; background:var(--color-surface); }
  .usage-response-detail > strong, .usage-response-detail > p { margin:0; }
  .usage-response-detail > p { color:var(--color-text-muted); font-size:12px; line-height:17px; }
  .usage-response-detail header { min-width:0; display:grid; gap:2px; }
  .usage-response-detail header span, .usage-response-detail header small { color:var(--color-text-muted); font-size:12px; }
  .usage-response-detail header strong { color:var(--color-primary); font-size:14px; }
  .usage-response-detail dl { margin:0; display:grid; gap:7px; }
  .usage-response-detail dl div { min-width:0; display:flex; align-items:baseline; justify-content:space-between; gap:10px; }
  .usage-response-detail dt { color:var(--color-text-muted); font-size:12px; }
  .usage-response-detail dd { min-width:0; margin:0; overflow:hidden; color:var(--color-text); text-align:right; text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-weight:650; font-variant-numeric:tabular-nums; }
  .usage-response-prompt { min-width:0; grid-column:1 / -1; padding-top:8px; display:grid; gap:4px; border-top:1px solid var(--color-border); }
  .usage-response-prompt span { color:var(--color-text-muted); font-size:12px; }
  .usage-response-prompt p { margin:0; display:-webkit-box; overflow:hidden; color:var(--color-text); font-size:12px; line-height:17px; overflow-wrap:anywhere; -webkit-box-orient:vertical; -webkit-line-clamp:3; }
  .usage-response-actions { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; }
  .usage-report-columns { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); }
  .usage-report-columns .usage-report-section { min-width:0; border-right:1px solid var(--color-border); border-bottom:0; }
  .usage-report-columns .usage-report-section:last-child { border-right:0; }

  @media (max-width:1080px) {
    .session-titlebar { padding-right:82px; grid-template-columns:auto minmax(180px,1fr) auto; gap:12px; }
    .session-layout { grid-template-columns:minmax(0,1fr) 292px; }
    .session-notebook-main { padding-left:18px; }
    .usage-report-summary { grid-template-columns:1fr; }
    .usage-report-occupancy { border-right:0; border-bottom:1px solid var(--color-border); }
    .usage-focus-layout { grid-template-columns:1fr; }
    .usage-focus-layout .usage-context-chart { border-right:0; border-bottom:1px solid var(--color-border); }
    .usage-response-detail { grid-template-columns:minmax(150px,.8fr) minmax(0,2fr) auto; align-items:start; }
    .usage-response-detail dl { grid-template-columns:repeat(2,minmax(0,1fr)); gap:6px 18px; }
    .usage-response-actions { min-width:180px; }
  }
  @media (max-width:820px) {
    .session-view > .session-nav { min-height:52px; right:10px; }
    .session-titlebar { min-height:94px; grid-template-columns:minmax(0,1fr); grid-template-rows:47px 47px; padding:0 68px 0 12px; gap:0; }
    .session-notebook-brand { display:none; }
    .session-title-copy { grid-column:1; grid-row:1; align-self:center; }
    .session-title-actions { grid-column:1; grid-row:2; gap:6px; }
    .session-title-actions .session-mode-tabs button { min-width:54px; }
    .session-layout { min-height:calc(100vh - 94px); grid-template-columns:1fr; }
    .session-notebook-main { padding:12px 8px 32px; }
    .session-notebook-main { grid-row:2; }
    .session-sidebar { position:static; grid-row:1; min-height:0; max-height:none; display:grid; grid-template-columns:minmax(0,1fr) auto; border-top:0; border-bottom:1px solid var(--color-border); border-left:0; }
    .session-sidebar > header { display:none; }
    .session-sidebar > section:first-of-type { min-width:0; padding:8px; border:0; }
    .session-sidebar .jump-select { width:100%; }
    .session-filter-disclosure { min-width:134px; border:0; border-left:1px solid var(--color-border); }
    .session-filter-disclosure > summary { min-height:42px; padding:9px; }
    .session-filter-disclosure > summary em { display:none; }
    .session-filter-disclosure .session-filter-list { position:absolute; right:8px; z-index:4; width:min(280px,calc(100vw - 16px)); max-height:min(560px,calc(100vh - 110px)); overflow-y:auto; padding:10px; border:1px solid var(--color-border); border-radius:var(--radius-lg); background:var(--color-surface); box-shadow:0 12px 30px rgba(15,23,42,.12); }
    .session-sidebar .session-outline-facts { grid-column:1 / -1; }
    .session-sidebar .session-usage-summary { grid-column:1 / -1; padding:14px 12px 16px; border-top:0; border-bottom:0; }
    .session-cell { grid-template-columns:52px minmax(0,1fr); gap:0 7px; }
    .session-cell[data-session-cell="run"] > .session-turn-head { margin-left:59px; }
    .session-cell[data-session-cell="run"] > .session-turn-head strong { white-space:nowrap; }
    .session-cell[data-session-cell="run"] > .session-turn { grid-template-columns:52px minmax(0,1fr); gap:0 7px; }
    .session-cell[data-session-cell="run"] .session-input-marker, .session-cell[data-session-cell="run"] .session-output-marker { padding-right:6px; }
    .session-cell[data-session-cell="run"] .turn-select, .session-cell[data-session-cell="run"] .session-output-marker { font-size:12px; }
    .session-cell-marker .turn-select, .session-cell-marker > span { margin-right:6px; font-size:12px; }
    details.session-process > summary, .session-process-empty { align-items:baseline; flex-flow:row wrap; gap:2px 8px; }
    .session-unplaced, .session-outside { grid-template-columns:52px minmax(0,1fr); gap:0 7px; }
    .session-unplaced > .session-cell-marker span, .session-outside > .session-cell-marker span { margin-right:6px; font-size:12px; }
    .session-overall-activity { margin-left:59px; }
    .usage-report { min-height:calc(100vh - 146px); }
    .usage-report-lead { padding:14px 18px 16px; }
    .usage-report-lead-facts { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .usage-report-lead-facts > div { min-height:82px; border-right:1px solid var(--color-border); border-bottom:1px solid var(--color-border); }
    .usage-report-lead-facts > div:nth-child(2n) { border-right:0; }
    .usage-report-lead-facts > div:last-child { border-bottom:0; }
    .usage-report-reuse-tile { grid-column:1 / -1; }
    .usage-report-evidence { padding:0 18px; }
    .usage-evidence-groups { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .usage-evidence-group:nth-child(2) { border-right:0; }
    .usage-evidence-group:nth-child(-n+2) { border-bottom:1px solid var(--color-border); }
    .usage-report-section { padding:20px 18px 22px; }
    .usage-report-columns { grid-template-columns:1fr; }
    .usage-report-columns .usage-report-section { border-right:0; border-bottom:1px solid var(--color-border); }
    .usage-composition-list { grid-template-columns:1fr; }
    .usage-progress-head, .usage-progress-list li { grid-template-columns:minmax(130px,1.5fr) repeat(4,minmax(70px,1fr)); gap:10px; }
    .usage-processing-list { grid-template-columns:1fr; }
    .usage-reuse-list { grid-template-columns:1fr; }
    .usage-structure-list { grid-template-columns:1fr; }
  }
  @media (max-width:520px) {
    .session-sidebar .jump-select { min-height:44px; }
    .session-filter-disclosure > summary { min-height:44px; }
    .session-filter { min-height:44px; }
    .session-process-combined-summary { grid-template-columns:minmax(92px,.55fr) minmax(0,1.45fr) auto; gap:6px; }
    .session-process-tool-summary { grid-template-columns:minmax(0,1fr); gap:1px; }
    .session-process-tool-summary > strong, .session-usage-inline > strong { overflow:hidden; text-overflow:ellipsis; }
    .usage-report-link, .usage-report-return { min-height:44px; }
    .usage-report-lead { padding:12px 12px 14px; }
    .usage-report-summary { margin-top:9px; }
    .usage-report-occupancy, .usage-report-lead-facts > div { min-height:78px; padding:10px 11px; }
    .usage-report-occupancy .usage-context-current { font-size:23px; }
    .usage-report-occupancy .usage-context-history { font-size:16px; }
    .usage-report-lead-facts dd { font-size:15px; }
    .usage-evidence-group { padding:7px 9px 8px; }
    .usage-evidence-groups { grid-template-columns:1fr; }
    .usage-evidence-group, .usage-evidence-group:nth-child(2) { border-right:0; border-bottom:1px solid var(--color-border); }
    .usage-evidence-group:last-child { border-bottom:0; }
    .usage-progress-head { display:none; }
    .usage-progress-list li { grid-template-columns:minmax(0,1fr) auto; gap:5px 12px; padding:9px 4px; }
    .usage-progress-list li > div:first-child { grid-column:1 / -1; }
    .usage-context-chart { padding:8px 4px 6px; }
    .usage-context-chart svg { min-height:130px; }
    .usage-overview text, .usage-focus-chart text { font-size:30px; }
    .usage-overview { padding-inline:4px; }
    .usage-overview-handle, .usage-overview-handle-hit, .usage-overview-turn-chip, .usage-overview-turn-label, .usage-overview-prompt-tooltip { display:none; }
    .usage-overview-turn-hit { pointer-events:none; }
    .usage-overview-prompt-actions { padding:4px 0; display:flex; gap:6px; overflow-x:auto; }
    .usage-overview-prompt-actions button { min-width:44px; min-height:44px; flex:none; border:1px solid var(--color-border-strong); border-radius:var(--radius-md); color:var(--color-primary); background:var(--color-surface); font-size:12px; font-weight:700; }
    .usage-overview-prompt-actions button[aria-pressed="true"] { border-color:var(--color-primary); color:var(--color-text-primary); background:var(--color-surface-selected); }
    .usage-overview-prompt-actions button:focus-visible { outline:2px solid var(--color-focus); outline-offset:1px; }
    .usage-window-toolbar { min-height:0; padding:8px; display:grid; grid-template-columns:1fr 1fr; }
    .usage-window-summary, .usage-window-edge-controls { min-width:0; grid-column:1 / -1; }
    .usage-window-toolbar label { grid-column:1 / -1; }
    .usage-window-toolbar input { min-height:44px; }
    .usage-window-toolbar button { min-height:44px; }
    .usage-response-detail { grid-template-columns:1fr; }
    .usage-response-detail dl { grid-template-columns:1fr; }
    .usage-response-actions { min-width:0; }
    .usage-response-actions button { min-height:44px; }
    .usage-inspect-strip, .usage-inspect-strip.with-processed { margin-inline:-4px; grid-template-columns:repeat(2,minmax(0,1fr)); overflow:visible; }
    .usage-inspect-strip .usage-inspect-identity { grid-column:1 / -1; }
    .usage-inspect-strip > div, .usage-inspect-strip > span { min-height:34px; border-top:1px solid var(--color-border); }
    .usage-inspect-strip > :first-child { border-top:0; }
    .usage-inspect-strip > :nth-child(2n) { border-left:0; }
  }
  @media (max-width:820px) {
    .cache-policy-header { padding:6px 2px; flex-wrap:wrap; gap:6px 10px; }
    .cache-policy-header > span { width:100%; margin-left:0; text-align:left; }
    .chart-inspector { min-width:220px; }
  }
  @media (max-width:520px) {
    .cache-policy-header label { width:100%; }
    .cache-policy-header select { min-height:44px; max-width:none; flex:1; }
    .cache-policy-toggle { min-height:44px; }
    .chart-statusbar { min-height:44px; }
  }