.canvas-usage-workspace { color: var(--ink); }
.canvas-usage-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.canvas-usage-toolbar p { margin: 0; font-weight: 600; font-size: 13px; }
.canvas-usage-toolbar span { margin-left: auto; font-size: 12px; color: var(--muted); }
.canvas-usage-metrics { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin: 0; padding: 16px 0; border-block: 1px solid var(--line); }
.canvas-usage-metrics > div { padding: 0 18px; border-right: 1px solid var(--line); }
.canvas-usage-metrics > div:first-child { padding-left: 0; }
.canvas-usage-metrics > div:last-child { border-right: 0; }
.canvas-usage-metrics dt { font-size: 12px; color: var(--muted); }
.canvas-usage-metrics dd { margin: 5px 0; font-size: 26px; font-weight: 650; line-height: 1.3; font-variant-numeric: tabular-nums; }
.canvas-usage-metrics small { font-size: 11px; color: var(--muted); }
.canvas-usage-secondary { font-size: 12px; color: var(--muted); margin: 12px 0; }
.canvas-usage-secondary strong { color: var(--ink); }
.canvas-usage-empty { margin: 14px 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-muted); font-size: 12px; line-height: 1.7; color: var(--ink-soft); }
.canvas-usage-columns { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(250px,1fr); gap: 24px; margin-top: 22px; }
.canvas-usage-panel { min-width: 0; }
.canvas-usage-panel h2 { font-size: 14px; margin: 0 0 6px; font-weight: 650; }
.canvas-usage-panel p { color: var(--muted); font-size: 12px; margin: 0 0 12px; }
.canvas-usage-chart { display: block; width: 100%; height: 140px; border-bottom: 1px solid var(--line); }
.canvas-usage-chart .usage-bar { fill: var(--accent); }
.canvas-usage-chart .usage-bar-empty { fill: var(--line); }
.canvas-usage-axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 5px; }
.canvas-usage-panel details { margin-top: 16px; }
.canvas-usage-panel summary { cursor: pointer; font-size: 12px; color: var(--ink-soft); }
.canvas-usage-table-scroll { max-height: 320px; overflow: auto; }
.canvas-usage-panel table { width: 100%; min-width: 0; border-collapse: collapse; font-size: 12px; }
.canvas-usage-panel th,.canvas-usage-panel td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: right; font-variant-numeric: tabular-nums; }
.canvas-usage-panel th { color: var(--muted); font-weight: 500; }
.canvas-usage-panel th:first-child,.canvas-usage-panel td:first-child { text-align: left; overflow-wrap: anywhere; }
.canvas-usage-panel .canvas-usage-table-empty { color: var(--muted); text-align: center; padding: 24px 8px; }
.canvas-usage-note { font-size: 11px; line-height: 1.8; color: var(--muted); border-top: 1px solid var(--line); margin-top: 22px; padding-top: 12px; }
@media(max-width:800px) {
  .canvas-usage-columns { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .canvas-usage-toolbar span { margin-left: 0; }
}
@media(max-width:480px) {
  .canvas-usage-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px 0; }
  .canvas-usage-metrics > div:nth-child(odd) { padding-left: 0; }
  .canvas-usage-metrics > div:nth-child(even) { border-right: 0; }
}