.signal-workbench { --sl-reference: var(--green); --sl-reconstruction: var(--lab-teal); --sl-observed: var(--muted); }
.signal-workbench .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.sl-intro { margin: .8rem 0 1.6rem; }
.signal-workbench .sl-intro h1 { margin: .2rem 0 .65rem; }
.sl-intro > p:not(.lab-kicker) { max-width: 78ch; font-size: 1rem; line-height: 1.7; color: var(--muted); }
.sl-intro > a { display: inline-flex; align-items: center; min-height: 44px; gap: .5rem; font-size: .85rem; }
.sl-primary-grid { display: grid; grid-template-columns: minmax(16rem,.8fr) minmax(0,1.8fr); gap: 1.6rem; align-items: start; margin: 1rem 0 1.3rem; }
.sl-primary-grid > * { min-width: 0; }
.sl-setup > summary { cursor: pointer; min-height: 44px; font-size: .9rem; font-weight: 650; margin-bottom: .65rem; }
#sl-controls-summary { display: block; font-size: .75rem; font-weight: 400; line-height: 1.7; color: var(--muted); }
.sl-controls { margin: 0; padding: 1.2rem; border: 1px solid var(--line); border-radius: .25rem; background: var(--surface); }
.sl-controls > legend { padding: 0 .4rem; font-size: .9rem; font-weight: 650; }
.sl-form-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.6fr); gap: .6rem; }
.sl-form-grid > label:last-child { grid-column: 1 / -1; }
.sl-slider-grid { display: grid; grid-template-columns: minmax(0,1fr); }
.sl-seed-row { display: flex; flex-wrap: wrap; align-items: end; gap: .6rem 1rem; }
.sl-seed-row > label { width: 11rem; margin: 0; }
.signal-workbench input[type=number], .signal-workbench textarea, #sl-link { width: 100%; min-width: 0; min-height: 44px; padding: .5rem; border: 1px solid var(--control-edge); border-radius: .2rem; background: var(--surface); color: var(--ink); font: 400 1rem/1.5 system-ui,sans-serif; }
.signal-workbench input[aria-invalid=true] { border: 2px solid var(--lab-amber); }
.sl-seed-row > .lab-control-note { flex: 1 1 100%; margin: 0; }
.sl-generator { margin-top: .9rem; border-top: 1px solid var(--line); padding-top: .5rem; }
.sl-generator > summary, .sl-data > summary { cursor: pointer; min-height: 44px; align-content: center; font-size: .88rem; }
.sl-actions { display: flex; align-items: end; flex-wrap: wrap; gap: .6rem; margin: 1rem 0 .4rem; }
.sl-actions > label { margin: 0; min-width: 10rem; }
.sl-actions #sl-reset { margin-left: auto; background: transparent; border: 1px solid var(--control-edge); color: var(--green); }
#sl-status { min-height: 0; }
.signal-workbench .lab-share-fallback[hidden] { display: none; }
.sl-main-plot { margin-top: 0; }
.signal-workbench .sl-main-plot > h2 { margin-top: 0; }
.signal-workbench h2 { margin: 1.2rem 0 .5rem; font: 400 clamp(1.35rem,2.5vw,1.8rem)/1.3 var(--display); }
.signal-workbench h3 { font: 500 1rem/1.4 system-ui,sans-serif; margin: .8rem 0 .4rem; }
#sl-active-name { color: var(--muted); }
.sl-legend { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1.2rem; margin: .6rem 0; font-size: .75rem; }
.sl-legend > span { display: inline-flex; align-items: center; gap: .4rem; }
.sl-legend > span::before { content: ''; width: 1.3rem; border-top: 2px solid var(--sl-reference); }
.sl-legend > .sl-observed::before { border-color: var(--sl-observed); border-top-style: dotted; }
.sl-legend > .sl-reconstruction::before { border-color: var(--sl-reconstruction); border-top-style: dashed; }
.sl-legend > .sl-haar::before { border-color: var(--green); }
.sl-legend > .sl-cosine::before { border-color: var(--lab-teal); border-top-style: dashed; }
.sl-legend > .sl-samples::before { border-color: var(--lab-amber); border-top-style: dotted; }
.sl-inspector { border: 0; padding: 0; margin: .4rem 0 1rem; }
.sl-inspector .lab-slider { max-width: 40rem; margin: .45rem 0; }
.sl-readout { font-size: .8rem; line-height: 1.7; font-variant-numeric: tabular-nums; margin: .4rem 0; }
.sl-edit-toolbar { display: flex; flex-wrap: wrap; gap: .4rem; margin: .8rem 0 .4rem; }
.signal-workbench .sl-edit-toolbar button { min-height: 44px; padding: .5rem .7rem; font-size: .8rem; }
.signal-workbench .sl-edit-toolbar button:not([aria-pressed=true]) { color: var(--green); background: transparent; border: 1px solid var(--control-edge); }
.signal-workbench[data-editing=true] #sl-signal-chart { touch-action: none; user-select: none; }
.signal-workbench[data-editing=true] .sl-signal-legend > :not(.sl-reference) { display: none; }
.sl-exact-edit > summary { cursor: pointer; min-height: 44px; align-content: center; font-size: .83rem; }
#sl-edit-controls { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; border: 0; padding: .5rem 0; margin: 0; }
#sl-edit-controls label { max-width: 20rem; margin: 0; }
#sl-edit-controls button { font-size: .83rem; }
.sl-notebook > summary { font-weight: 650; }
#sl-notebook-count { margin-left: .5rem; font-size: .75rem; font-weight: 400; color: var(--muted); }
.sl-notebook-actions { display: flex; align-items: end; flex-wrap: wrap; gap: .6rem; margin: .8rem 0; }
.sl-notebook-actions button { font-size: .8rem; }
.sl-notebook-actions label { margin: 0; flex: 1 1 15rem; max-width: 26rem; }
#sl-notebook-file { display: block; width: 100%; min-width: 0; min-height: 44px; font: inherit; padding: .5rem 0; }
.sl-notebook-table { min-width: 57rem; }
#sl-notebook-table-wrap { max-height: 26rem; overflow: auto; overscroll-behavior: contain; }
.sl-notebook-table thead th { position: sticky; top: 0; z-index: 1; background: var(--surface); }
.sl-notebook-table th, .sl-notebook-table td { padding: .6rem; font-size: .8rem; font-variant-numeric: tabular-nums; }
.sl-notebook-table input { width: 12rem; min-height: 44px; padding: .4rem; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--control-edge); border-radius: .2rem; }
.sl-notebook-table td:last-child { min-width: 6rem; }
.signal-workbench .sl-notebook-table button { display: block; min-height: 44px; font-size: .78rem; padding: .4rem .6rem; margin: .2rem 0; }
.signal-workbench .sl-notebook-table button[data-notebook-action=remove] { color: var(--green); background: transparent; border: 1px solid var(--control-edge); }
.sl-pair-controls { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .6rem; }
.sl-pair-controls label { min-width: 0; }
.sl-notebook .sl-legend > span { min-width: 0; overflow-wrap: anywhere; }
.sl-legend > [hidden] { display: none; }
.sl-starter-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .8rem; margin: .7rem 0; }
.sl-starter-grid > article { min-width: 0; padding: 1rem; margin: 0; border: 1px solid var(--line); border-radius: .2rem; background: var(--surface); }
.signal-workbench .sl-starter-grid h2 { margin: 0 0 .45rem; font-size: 1.3rem; }
.sl-starter-grid p { font-size: .85rem; line-height: 1.7; margin: .4rem 0 .8rem; }
.sl-starter-grid button { font-size: .83rem; }
.sl-pair-inspector { min-width: 0; border: 0; margin: .7rem 0; padding: 0; }
.sl-pair-inspector > label { max-width: 24rem; }
.sl-pair-inspector .lab-slider { max-width: 40rem; margin: .7rem 0; }
.sl-region { padding: .8rem; margin-bottom: 1rem; border: 1px solid var(--line); background: var(--surface); }
.signal-workbench .sl-region h3 { margin: 0 0 .5rem; }
.sl-region-controls { display: flex; align-items: end; flex-wrap: wrap; gap: .6rem; }
.sl-region-controls label { flex: 1 1 7rem; margin: 0; max-width: 12rem; }
.sl-region-controls button { min-height: 44px; font-size: .82rem; }
.sl-region-table { table-layout: fixed; min-width: 0; font-variant-numeric: tabular-nums; }
.sl-region-table th, .sl-region-table td { padding: .5rem .3rem; overflow-wrap: anywhere; }
.sl-region-table th:first-child { width: 13%; }
.sl-region-table td span { display: block; font-size: .72rem; color: var(--muted); }
.signal-workbench .sl-region-table button { min-width: 44px; min-height: 44px; max-width: 100%; padding: .3rem; font-size: .82rem; overflow-wrap: anywhere; color: var(--green); background: transparent; border: 1px solid var(--control-edge); }
.sl-pair-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.sl-pair-actions button { font-size: .82rem; }
.sl-shared-preview { padding: .9rem; margin: .8rem 0; border: 1px solid var(--control-edge); background: var(--surface); }
.sl-shared-preview > p { margin: 0 0 .7rem; font-size: .85rem; line-height: 1.7; }
.sl-pair-readouts { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: .7rem; margin: 1rem 0; }
.sl-pair-readouts > div { min-width: 0; padding: .65rem; border: 1px solid var(--line); background: var(--surface); }
.sl-pair-readouts dt { font-size: .75rem; color: var(--muted); }
.sl-pair-readouts dd { font-size: .95rem; font-variant-numeric: tabular-nums; margin: .3rem 0 0; overflow-wrap: anywhere; }
.sl-pair-table > summary { min-height: 44px; cursor: pointer; align-content: center; font-size: .84rem; }
.sl-pair-table > .table-scroll { max-height: 24rem; overflow: auto; }
.sl-pair-table table { min-width: 50rem; font-variant-numeric: tabular-nums; }
.sl-pair-table thead th { position: sticky; top: 0; z-index: 1; background: var(--surface); }
#sl-pair-chart svg { cursor: crosshair; }
.sl-comparison { width: 100%; min-width: 0; }
.sl-comparison th, .sl-comparison td { padding: .65rem .8rem; font-size: .83rem; }
.sl-comparison output { font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.signal-workbench .sl-comparison button { background: transparent; color: var(--green); border: 1px solid var(--control-edge); }
.signal-workbench .sl-comparison button[aria-pressed=true] { background: var(--green); color: var(--surface); }
.sl-analysis-grid { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1fr); gap: 2rem; margin: 1.3rem 0 1.5rem; padding-top: .3rem; border-top: 1px solid var(--line); }
.sl-analysis-grid > section { min-width: 0; }
.sl-targets { margin: 1rem 0; border-top: 1px solid var(--line); padding-top: .4rem; }
.sl-targets > summary { min-height: 44px; cursor: pointer; align-content: center; font-size: .88rem; font-weight: 650; }
#sl-target-controls { min-width: 0; padding: 0; margin: .6rem 0; border: 0; }
.sl-target-form { display: grid; grid-template-columns: minmax(0,1fr); gap: .4rem; }
.sl-target-form label { margin: .3rem 0; }
.sl-target-table { width: 100%; min-width: 0; table-layout: fixed; font-size: .78rem; font-variant-numeric: tabular-nums; }
.sl-target-table th, .sl-target-table td { padding: .4rem; overflow-wrap: anywhere; }
.sl-target-table th:nth-child(1) { width: 31%; }
.sl-target-table th:nth-child(2) { width: 18%; }
.sl-target-table th:nth-child(3) { width: 26%; }
.sl-target-table th:nth-child(4) { width: 25%; }
.sl-target-table button, #sl-target-save { font-size: .78rem; min-height: 44px; padding: .5rem .6rem; }
.sl-target-table button { width: 100%; padding: .45rem .25rem; }
#sl-target-save { margin-top: .7rem; }
.signal-workbench .lab-diagram svg text { font: 12px system-ui,sans-serif; fill: var(--ink); }
.sl-chart-grid { stroke: var(--line); stroke-width: 1; }
.sl-chart-frame { stroke: var(--control-edge); fill: none; stroke-width: 1; }
.sl-trace { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.sl-trace.sl-reference { stroke: var(--sl-reference); }
.sl-trace.sl-observed { stroke: var(--sl-observed); stroke-dasharray: 2 4; stroke-width: 1.2; opacity: .7; }
.sl-trace.sl-reconstruction { stroke: var(--sl-reconstruction); stroke-dasharray: 7 4; stroke-width: 2.4; }
.sl-trace.sl-haar { stroke: var(--green); }
.sl-trace.sl-cosine { stroke: var(--lab-teal); stroke-dasharray: 7 4; }
.sl-trace.sl-samples { stroke: var(--lab-amber); stroke-dasharray: 2 4; }
.sl-trace.sl-difference { stroke: var(--green); stroke-width: 2.4; }
.sl-chart-guide { stroke: var(--ink); stroke-width: 1; stroke-dasharray: 3 4; }
.sl-chart-point { fill: var(--surface); stroke: var(--ink); stroke-width: 1.5; }
.sl-coefficient-kept { fill: var(--green); }
.sl-coefficient-omitted { fill: transparent; stroke: var(--muted); stroke-width: 1; }
.sl-coefficient-selected { stroke: var(--lab-amber); stroke-width: 2; }
#sl-signal-chart svg, #sl-frontier-chart svg, #sl-coefficient-chart svg { cursor: crosshair; }
.sl-data { border-top: 1px solid var(--line); padding: .8rem 0; }
.sl-data > p { max-width: 90ch; font-size: .87rem; line-height: 1.8; }
.sl-data table { width: 100%; font-size: .82rem; }
.sl-import-controls { margin: .8rem 0 0; padding: 0; border: 0; max-width: 58rem; }
.sl-import-controls input[type=file] { display: block; width: 100%; min-width: 0; min-height: 44px; font: inherit; padding: .4rem 0; }
.sl-import-controls textarea { display: block; resize: vertical; margin: .4rem 0 .7rem; }
@media (max-width: 760px) {
  .sl-starter-grid { grid-template-columns: minmax(0,1fr); }
  .sl-pair-readouts { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sl-primary-grid { grid-template-columns: minmax(0,1fr); gap: .8rem; }
  .sl-slider-grid { grid-template-columns: 1fr 1fr; gap: 0 1rem; }
  .sl-analysis-grid { grid-template-columns: minmax(0,1fr); gap: 1rem; }
  .sl-form-grid { grid-template-columns: 1fr 1fr; }
  .sl-form-grid > label:last-child { grid-column: 1 / -1; }
  .sl-controls { padding: .8rem; }
  .sl-slider-grid { gap: 0 1rem; }
  .sl-actions #sl-reset { margin-left: 0; }
  .sl-comparison th, .sl-comparison td { padding: .45rem; font-size: .75rem; }
  .signal-workbench .sl-comparison button { padding: .5rem; font-size: .75rem; }
}
@media (max-width: 380px) {
  .sl-pair-controls { grid-template-columns: minmax(0,1fr); }
  .sl-slider-grid { grid-template-columns: 1fr; }
  .sl-seed-row > label { width: 100%; }
  .sl-actions > button { flex: 1 1 8rem; }
  .sl-actions > label { flex: 1 1 9rem; }
}
@media print {
  .sl-region-controls { display: none; }
  .sl-starters, .sl-pair-actions, #sl-pair-inspector > label, #sl-pair-inspector .lab-slider { display: none; }
  .sl-edit-toolbar, .sl-exact-edit, .sl-notebook-actions, .sl-notebook-table button, .sl-pair-controls { display: none; }
  .sl-controls, .sl-setup, .sl-actions, .sl-inspector, .sl-import-controls, #sl-copy, #sl-best, #sl-link-fallback { display: none; }
  .sl-primary-grid { display: block; }
  .sl-analysis-grid { display: block; }
}
@media (forced-colors: active) {
  .sl-trace, .sl-chart-grid, .sl-chart-frame, .sl-chart-guide, .sl-chart-point, .sl-coefficient-omitted { stroke: CanvasText; }
  .sl-coefficient-kept, .sl-coefficient-selected { fill: CanvasText; }
}