/* Signal workbench partial. All business styles stay inside this root. */
[data-signal-workbench],
[data-signal-workbench] * {
  box-sizing: border-box;
}

[data-signal-workbench] {
  width: min(100%, 1180px);
  margin-inline: auto;
  overflow-anchor: none;
  color: var(--ink);
  font-family: var(--page-font);
  font-size: var(--page-body-size);
  line-height: 1.5;
  font-optical-sizing: auto;
}

[data-signal-workbench][hidden],
[data-signal-workbench] .hidden {
  display: none !important;
}

[data-signal-workbench] button,
[data-signal-workbench] input {
  font: inherit;
}

[data-signal-workbench] button,
[data-signal-workbench] a,
[data-signal-workbench] label {
  -webkit-tap-highlight-color: transparent;
}

[data-signal-workbench] button:focus-visible,
[data-signal-workbench] a:focus-visible,
[data-signal-workbench] input:focus-visible,
[data-signal-workbench] [tabindex]:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Page heading */
[data-signal-workbench] .signal-detail-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

[data-signal-workbench] .signal-detail-header h1 {
  margin: 0;
  color: var(--page-text-primary);
  font-family: var(--page-font-display);
  font-size: var(--page-title-size);
  font-weight: var(--page-title-weight);
  line-height: 1.15;
  letter-spacing: -0.045em;
}

[data-signal-workbench] .signal-api-entry {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 5px;
  margin: 0;
  color: var(--page-text-tertiary);
  font-size: var(--page-meta-size);
  line-height: 1.45;
  white-space: nowrap;
}

/* Main workspace */
[data-signal-workbench] .signal-workbench-panel {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

[data-signal-workbench] .workspace-grid {
  display: grid;
  grid-template-columns: minmax(290px, 0.76fr) minmax(0, 1.48fr);
  align-items: stretch;
}

[data-signal-workbench] .upload-column,
[data-signal-workbench] .preview-column {
  min-width: 0;
  padding: 0;
}

[data-signal-workbench] .upload-column {
  display: flex;
  flex-direction: column;
  padding-right: 20px;
}

[data-signal-workbench] .preview-column {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

[data-signal-workbench] .section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

[data-signal-workbench] .section-head > div {
  min-width: 0;
}

[data-signal-workbench] .upload-column > .section-head {
  align-items: flex-start;
  flex-direction: column;
  gap: 4px;
}

[data-signal-workbench] .upload-column > .section-head .section-meta {
  max-width: none;
  text-align: left;
}

[data-signal-workbench] .section-kicker,
[data-signal-workbench] .result-label,
[data-signal-workbench] .input-block-title,
[data-signal-workbench] .detail-title,
[data-signal-workbench] .thinking-chat-kicker {
  margin: 0;
  color: var(--olive);
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
  line-height: 1.25;
  letter-spacing: 0.045em;
}

[data-signal-workbench] .section-head h3,
[data-signal-workbench] .result-head h3 {
  margin: 0;
  color: var(--page-text-primary);
  font-size: var(--page-section-size);
  font-weight: var(--page-section-weight);
  line-height: 1.35;
  letter-spacing: -0.018em;
}

[data-signal-workbench] .section-meta,
[data-signal-workbench] .preview-current {
  margin: 0;
  color: var(--page-text-secondary);
  font-size: var(--page-meta-size);
  line-height: 1.5;
}

[data-signal-workbench] .section-meta {
  max-width: 15rem;
  text-align: right;
}

[data-signal-workbench] .section-meta code {
  padding: 2px 5px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted);
  background: var(--surface-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .section-meta-stack {
  display: grid;
  justify-items: end;
  gap: 6px;
}

[data-signal-workbench] .workbench-state {
  margin: 0;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--olive);
  background: var(--accent-soft);
  font-size: var(--page-meta-size);
  line-height: 1.2;
  white-space: nowrap;
}

/* Upload and input specification */
[data-signal-workbench] .uploader {
  display: grid;
  gap: 12px;
  margin: 0;
}

[data-signal-workbench] .input-meta {
  display: grid;
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--line);
}

[data-signal-workbench] .input-meta > div {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(80px, 0.7fr) minmax(0, 1.7fr);
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  background: var(--surface);
}

[data-signal-workbench] .input-meta dt,
[data-signal-workbench] .input-meta dd {
  min-width: 0;
  margin: 0;
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .input-meta dt {
  color: var(--muted);
}

[data-signal-workbench] .input-meta dd {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-weight: 600;
}

[data-signal-workbench] .detail-title-line {
  display: block;
}

[data-signal-workbench] .dropzone {
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  color: var(--muted);
  background: var(--surface-muted);
  text-align: center;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease, transform 100ms ease-out;
}

[data-signal-workbench] .dropzone:hover,
[data-signal-workbench] .dropzone.dragover {
  border-color: var(--olive);
  color: var(--ink);
  background: var(--accent-soft);
}

[data-signal-workbench] .dropzone:active {
  transform: scale(0.992);
}

[data-signal-workbench] .drop-badge {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--olive);
  background: var(--surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
  letter-spacing: 0.08em;
}

[data-signal-workbench] .drop-title {
  color: var(--ink);
  font-size: var(--page-body-size);
  font-weight: 600;
}

[data-signal-workbench] .drop-subtitle {
  max-width: 26rem;
  color: var(--muted);
  font-size: var(--page-meta-size);
  line-height: 1.55;
}

/* File summary */
[data-signal-workbench] .file-summary {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

[data-signal-workbench] .file-summary-head,
[data-signal-workbench] .file-summary-row {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
}

[data-signal-workbench] .file-summary-head {
  justify-content: center;
  background: var(--surface-muted);
}

[data-signal-workbench] .file-summary-row + .file-summary-row {
  border-top: 0;
}

[data-signal-workbench] .file-summary-row span,
[data-signal-workbench] .file-summary-row strong {
  min-width: 0;
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .file-summary-row span {
  flex: 0 0 auto;
  color: var(--muted);
}

[data-signal-workbench] .file-summary-row strong {
  overflow: hidden;
  color: var(--ink);
  font-weight: 600;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-workbench] .sample-upload-link,
[data-signal-workbench] .result-download-link,
[data-signal-workbench] .explain-link,
[data-signal-workbench] .batch-download-link,
[data-signal-workbench] .signal-api-entry a {
  width: fit-content;
  margin: 0;
  padding: 4px 6px;
  border: 0;
  border-radius: 7px;
  color: var(--olive);
  background: transparent;
  font-size: var(--page-meta-size);
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none;
  cursor: pointer;
  transition: color 150ms ease, background-color 150ms ease, transform 100ms ease-out;
}

[data-signal-workbench] .sample-upload-link:hover,
[data-signal-workbench] .result-download-link:hover,
[data-signal-workbench] .explain-link:hover,
[data-signal-workbench] .batch-download-link:hover:not(:disabled),
[data-signal-workbench] .signal-api-entry a:hover {
  background: var(--accent-soft);
}

[data-signal-workbench] .sample-upload-link:active,
[data-signal-workbench] .result-download-link:active,
[data-signal-workbench] .explain-link:active,
[data-signal-workbench] .batch-download-link:active:not(:disabled),
[data-signal-workbench] .signal-api-entry a:active {
  transform: scale(0.97);
}

[data-signal-workbench] .sample-upload-link:disabled,
[data-signal-workbench] .result-download-link:disabled,
[data-signal-workbench] .explain-link:disabled,
[data-signal-workbench] .batch-download-link:disabled {
  color: var(--muted);
  opacity: 0.52;
  cursor: not-allowed;
}

[data-signal-workbench] .file-summary-head .sample-upload-link {
  color: var(--olive) !important;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Model controls and primary action */
[data-signal-workbench] .signal-actions {
  display: grid;
  gap: 12px;
  margin-top: 2px;
}

[data-signal-workbench] .model-mode {
  min-width: 0;
  display: grid;
  gap: 4px;
}

[data-signal-workbench] .model-mode-label {
  color: var(--muted);
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .model-mode > strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: var(--page-body-size);
  font-weight: 620;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-workbench] .model-mode-switch {
  display: flex;
  align-items: center;
  gap: 5px;
}

[data-signal-workbench] .model-mode-toggle {
  width: fit-content;
  max-width: 100%;
  overflow: hidden;
  padding: 3px 0;
  border: 0;
  color: var(--olive);
  background: transparent;
  font-size: var(--page-meta-size);
  font-weight: 600;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}

[data-signal-workbench] .model-mode-toggle:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

[data-signal-workbench] .model-mode-help {
  position: relative;
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--olive);
  background: var(--surface-muted);
  font-size: var(--page-meta-size);
  font-weight: 650;
  line-height: 1;
  cursor: help;
}

[data-signal-workbench] .model-mode-help::after,
[data-signal-workbench] [data-tooltip]::after {
  position: absolute;
  z-index: 20;
  bottom: calc(100% + 8px);
  left: 50%;
  width: max-content;
  max-width: min(260px, 72vw);
  padding: 7px 9px;
  border-radius: 8px;
  color: var(--surface);
  background: var(--ink);
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
  line-height: 1.45;
  text-align: left;
  white-space: normal;
  content: attr(data-tooltip);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 4px);
  transition: opacity 140ms ease, transform 140ms ease;
}

[data-signal-workbench] .model-mode-help:hover::after,
[data-signal-workbench] .model-mode-help:focus-visible::after,
[data-signal-workbench] [data-tooltip]:hover::after,
[data-signal-workbench] [data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

[data-signal-workbench] [data-tooltip] {
  position: relative;
}

[data-signal-workbench] [data-tooltip]::after {
  right: 0;
  left: auto;
  transform: translateY(4px);
}

[data-signal-workbench] [data-tooltip]:hover::after,
[data-signal-workbench] [data-tooltip]:focus-visible::after {
  transform: translateY(0);
}

[data-signal-workbench] #detect-btn,
[data-signal-workbench] #batch-run,
[data-signal-workbench] #thinking-chat-send {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--olive);
  border-radius: 10px;
  color: var(--surface);
  background: var(--olive);
  font-size: var(--page-body-size);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 150ms ease, transform 100ms ease-out;
}

[data-signal-workbench] #detect-btn {
  width: 100%;
}

[data-signal-workbench] #detect-btn:hover:not(:disabled),
[data-signal-workbench] #batch-run:hover:not(:disabled),
[data-signal-workbench] #thinking-chat-send:hover:not(:disabled) {
  opacity: 0.88;
}

[data-signal-workbench] #detect-btn:active:not(:disabled),
[data-signal-workbench] #batch-run:active:not(:disabled),
[data-signal-workbench] #thinking-chat-send:active:not(:disabled) {
  transform: scale(0.98);
}

[data-signal-workbench] #detect-btn:disabled,
[data-signal-workbench] #batch-run:disabled,
[data-signal-workbench] #thinking-chat-send:disabled {
  border-color: var(--surface-strong);
  color: var(--muted);
  background: var(--surface-strong);
  cursor: not-allowed;
}

[data-signal-workbench] .signal-status {
  height: 1.2rem;
  min-height: 1.2rem;
  display: flex;
  align-items: center;
  margin-top: 10px;
  color: var(--muted);
  font-size: var(--page-meta-size);
  line-height: 1.2rem;
  overflow: hidden;
}

/* Keep the previous result in place during refresh; dimming avoids a clear/skeleton/clear flash. */
[data-signal-workbench] .signal-status.is-refreshing {
  opacity: 0.68;
}

[data-signal-workbench] .signal-result-panel.is-refreshing .result-main,
[data-signal-workbench] .signal-result-panel.is-refreshing .signal-result-details {
  opacity: 0.62;
}

[data-signal-workbench] .signal-result-panel {
  position: relative;
}

[data-signal-workbench] .diagnosis-loading-state {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: var(--page-meta-size);
  letter-spacing: 0;
}

[data-signal-workbench] .diagnosis-loading-state[hidden] {
  display: none;
}

[data-signal-workbench] .diagnosis-loading-spinner {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  border: 1.5px solid var(--line-strong);
  border-top-color: var(--olive);
  border-radius: 50%;
  animation: diagnosis-loading-spin 0.85s linear infinite;
}

[data-signal-workbench] .diagnosis-loading-dots {
  display: inline-flex;
  gap: 3px;
  align-items: center;
}

[data-signal-workbench] .diagnosis-loading-dots i {
  width: 3px;
  height: 3px;
  display: block;
  border-radius: 50%;
  background: currentColor;
  animation: signal-thinking-dot 1.1s ease-in-out infinite;
}

[data-signal-workbench] .diagnosis-loading-dots i:nth-child(2) { animation-delay: 120ms; }
[data-signal-workbench] .diagnosis-loading-dots i:nth-child(3) { animation-delay: 240ms; }

[data-signal-workbench] .signal-result-panel.is-loading .result-skeleton,
[data-signal-workbench] .signal-result-panel.is-loading .candidate-bar-fill.loading {
  background-image: linear-gradient(100deg, var(--surface-strong) 20%, var(--surface) 45%, var(--surface-strong) 70%);
  background-size: 240% 100%;
  animation: diagnosis-loading-shimmer 1.45s ease-in-out infinite;
}

[data-signal-workbench] .status-skeleton {
  width: 168px;
  height: 0.72rem;
  display: inline-block;
  vertical-align: middle;
  border-radius: 999px;
  background: var(--surface-strong);
  animation: signal-skeleton-pulse 1.2s ease-in-out infinite alternate;
}

[data-signal-workbench] .batch-process-entry,
[data-signal-workbench] .thinking-chat-entry,
[data-signal-workbench] .demo-link-button {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  background: var(--surface);
  font-size: var(--page-meta-size);
  font-weight: 550;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 150ms ease, background-color 150ms ease, transform 100ms ease-out;
}

[data-signal-workbench] .batch-process-entry,
[data-signal-workbench] .thinking-chat-entry {
  width: 100%;
  margin-top: 7px;
}

[data-signal-workbench] .batch-process-entry:hover,
[data-signal-workbench] .thinking-chat-entry:hover,
[data-signal-workbench] .demo-link-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-muted);
}

[data-signal-workbench] .batch-process-entry:active,
[data-signal-workbench] .thinking-chat-entry:active,
[data-signal-workbench] .demo-link-button:active {
  transform: scale(0.98);
}

[data-signal-workbench] .run-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: auto;
  padding-top: 16px;
  overflow: hidden;
  border-radius: 10px;
  background: var(--line);
}

[data-signal-workbench] .run-summary > div {
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 9px;
  background: var(--surface-muted);
}

[data-signal-workbench] .run-summary span,
[data-signal-workbench] .run-summary strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-workbench] .run-summary span {
  color: var(--muted);
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .run-summary strong {
  color: var(--ink);
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
}

/* Preview and waveform */
[data-signal-workbench] .preview-head {
  margin-bottom: 9px;
}

[data-signal-workbench] .preview-card {
  min-height: 300px;
  display: grid;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-muted);
}

[data-signal-workbench] .preview-empty {
  min-height: 270px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 10px;
  padding: 30px;
  border: 1px dashed var(--line);
  border-radius: 11px;
  background: var(--surface);
  text-align: center;
}

[data-signal-workbench] .preview-empty-title {
  margin: 0;
  color: var(--ink);
  font-size: var(--page-section-size);
  font-weight: var(--page-section-weight);
  letter-spacing: -0.02em;
}

[data-signal-workbench] .preview-empty-copy {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: var(--page-body-size);
  line-height: 1.75;
}

[data-signal-workbench] .preview-charts {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 12px;
}

[data-signal-workbench] .analysis-toolbar {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 16px;
}

[data-signal-workbench] .analysis-toolbar[hidden] {
  display: inline-flex;
  visibility: hidden;
  pointer-events: none;
}

[data-signal-workbench] .preview-column .analysis-heading {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  min-height: 36px;
  gap: 10px 14px;
}

[data-signal-workbench] .analysis-tab {
  min-height: 32px;
  padding: 0 2px 4px;
  border: 0;
  border-radius: 0;
  color: var(--muted);
  background: transparent;
  font-family: var(--page-font);
  font-size: var(--signal-body-size);
  font-weight: 400;
  cursor: pointer;
  transition: color 160ms var(--ease-apple), box-shadow 160ms var(--ease-apple), transform 100ms ease-out;
}

[data-signal-workbench] .analysis-tab.active {
  color: var(--muted);
  box-shadow: inset 0 -1px var(--muted);
}

@media (hover: hover) and (pointer: fine) {
  [data-signal-workbench] .analysis-tab:not(.active):hover {
    color: var(--muted);
  }
}

[data-signal-workbench] .analysis-tab:active {
  transform: scale(0.97);
}

[data-signal-workbench] .analysis-tab:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

[data-signal-workbench] .wave-panel {
  min-width: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
}

[data-signal-workbench] .wave-head {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

[data-signal-workbench] .wave-title-group {
  min-width: 0;
  display: grid;
  gap: 2px;
  margin-right: auto;
}

[data-signal-workbench] .wave-title-group strong {
  overflow: hidden;
  color: var(--ink);
  font-size: var(--page-body-size);
  font-weight: 620;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-workbench] .wave-title-group span,
[data-signal-workbench] #wave-range {
  color: var(--muted);
  font-size: var(--page-meta-size);
  white-space: nowrap;
}

[data-signal-workbench] .spectrum-title-group {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  column-gap: 9px;
  row-gap: 2px;
}

[data-signal-workbench] .wave-toolbar,
[data-signal-workbench] .signal-switch {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-muted);
}

[data-signal-workbench] .wave-zoom-button,
[data-signal-workbench] .signal-tab {
  min-width: 31px;
  min-height: 28px;
  padding: 0 8px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-size: var(--page-meta-size);
  cursor: pointer;
  transition: color 150ms ease, background-color 150ms ease, transform 100ms ease-out;
}

[data-signal-workbench] .wave-zoom-button:hover,
[data-signal-workbench] .signal-tab:hover {
  color: var(--ink);
}

[data-signal-workbench] .wave-zoom-button.active,
[data-signal-workbench] .signal-tab.active {
  color: var(--ink);
  background: var(--surface);
}

[data-signal-workbench] .wave-zoom-button:active,
[data-signal-workbench] .signal-tab:active {
  transform: scale(0.96);
}

[data-signal-workbench] .wave-plot {
  width: 100%;
  height: clamp(190px, 24vw, 270px);
  display: block;
  overflow: visible;
  background: var(--surface);
}

[data-signal-workbench] .spectrum-plot {
  height: clamp(220px, 28vw, 300px);
}

[data-signal-workbench] .spectrum-peaks {
  min-height: 34px;
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px 12px 9px;
  color: var(--muted);
  font-size: var(--page-meta-size);
  line-height: 1.55;
}

[data-signal-workbench] .spectrum-footer {
  display: flex;
  align-items: center;
  min-width: 0;
  border-top: 1px solid var(--line);
}

[data-signal-workbench] .spectrum-channel-slot {
  flex: 0 0 auto;
  margin: 0 12px 0 8px;
  transform: translateY(3px);
}

[data-signal-workbench] .wave-channel-slot {
  display: flex;
  justify-content: flex-end;
  padding: 10px 12px 0;
}

[data-signal-workbench] .wave-grid-line {
  stroke: var(--line);
  stroke-width: 1;
}

[data-signal-workbench] .wave-zero-line,
[data-signal-workbench] .wave-axis-line,
[data-signal-workbench] .wave-tick {
  stroke: var(--line-strong);
  stroke-width: 1;
}

[data-signal-workbench] .wave-tick-label {
  fill: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 9px;
}

[data-signal-workbench] .signal-switch {
  justify-self: end;
}

/* Diagnosis result */
[data-signal-workbench] .signal-result-panel {
  margin-top: 14px;
  min-height: 300px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

[data-signal-workbench] .result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

[data-signal-workbench] .result-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

[data-signal-workbench] .result-main {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(170px, 0.55fr);
  gap: 12px;
  margin-top: 13px;
}

[data-signal-workbench] .result-summary,
[data-signal-workbench] .confidence,
[data-signal-workbench] .result-meta-card,
[data-signal-workbench] .input-shape-inline {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-muted);
}

[data-signal-workbench] .result-summary {
  min-width: 0;
  padding: 14px;
}

[data-signal-workbench] .result-summary h2 {
  min-height: 1.5rem;
  display: flex;
  align-items: center;
  margin: 0;
  color: var(--page-text-primary);
  font-size: 1.16rem;
  font-weight: var(--page-section-weight);
  line-height: 1.25;
  letter-spacing: -0.035em;
}

[data-signal-workbench] .result-title-group {
  min-width: 0;
}

[data-signal-workbench] .result-title-group .result-english {
  min-height: 1.14rem;
  display: flex;
  align-items: center;
  color: var(--page-text-secondary);
  font-family: var(--page-font);
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
  line-height: 1.5;
  margin-top: 4px;
}

[data-signal-workbench] .result-description {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: var(--page-body-size);
  line-height: 1.7;
}

[data-signal-workbench] .result-description:empty {
  display: none;
}

[data-signal-workbench] .result-context-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  margin-top: 13px;
}

[data-signal-workbench] .input-shape-inline {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  background: var(--surface);
}

[data-signal-workbench] .input-shape-inline span,
[data-signal-workbench] .input-shape-inline strong {
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .input-shape-inline span {
  color: var(--muted);
}

[data-signal-workbench] .input-shape-inline strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-weight: 600;
}

[data-signal-workbench] .result-side {
  min-width: 0;
  display: grid;
  gap: 10px;
}

[data-signal-workbench] .confidence,
[data-signal-workbench] .result-meta-card {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 12px;
}

[data-signal-workbench] .confidence span,
[data-signal-workbench] .result-meta-card .detail-title {
  color: var(--muted);
  font-size: var(--page-meta-size);
  font-weight: 500;
  letter-spacing: 0;
}

[data-signal-workbench] .confidence strong {
  min-height: 1.25rem;
  display: flex;
  align-items: center;
  color: var(--page-text-primary);
  font-size: var(--page-section-size);
  font-weight: var(--page-section-weight);
  letter-spacing: -0.025em;
}

[data-signal-workbench] .result-english {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--page-text-secondary);
  font-family: var(--page-font);
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
}

[data-signal-workbench] .thinking-explanation {
  margin-top: 12px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--accent-soft);
}

[data-signal-workbench] .thinking-explanation-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

[data-signal-workbench] .thinking-explanation-head span,
[data-signal-workbench] .thinking-explanation-head strong {
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .thinking-explanation-head span {
  color: var(--olive);
}

[data-signal-workbench] .thinking-explanation-head strong {
  color: var(--ink);
  font-weight: 620;
}

[data-signal-workbench] .thinking-explanation p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: var(--page-body-size);
  line-height: 1.7;
}

[data-signal-workbench] .signal-result-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  margin-top: 12px;
}

[data-signal-workbench] .signal-result-details > div {
  min-width: 0;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
}

[data-signal-workbench] .feature-summary-panel {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 9px 0 0;
  width: 100%;
  justify-content: center;
  overflow: hidden;
  border-radius: 8px;
  background: var(--line);
}

[data-signal-workbench] .feature-summary-panel > div {
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 8px 6px;
  background: var(--surface-muted);
  justify-items: center;
  text-align: center;
}

[data-signal-workbench] .feature-summary-panel dt,
[data-signal-workbench] .feature-summary-panel dd {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-workbench] .feature-summary-panel dt {
  color: var(--muted);
  font-size: var(--page-meta-size);
  text-align: center;
}

[data-signal-workbench] .feature-summary-panel dd {
  min-height: 1.14rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  font-size: var(--page-meta-size);
  font-weight: 600;
  text-align: center;
}

[data-signal-workbench] #top-list {
  display: grid;
  gap: 8px;
  min-height: 72px;
  margin: 9px 0 0;
  padding: 0;
  list-style: none;
}

[data-signal-workbench] #top-list > li:not(.candidate-row) {
  color: var(--muted);
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .candidate-row {
  min-width: 0;
  min-height: 1.14rem;
  display: grid;
  grid-template-columns: minmax(66px, 0.7fr) minmax(70px, 1.3fr) auto;
  align-items: center;
  gap: 8px;
}

[data-signal-workbench] .candidate-name,
[data-signal-workbench] .candidate-score {
  color: var(--ink);
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .candidate-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-workbench] .candidate-score {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

[data-signal-workbench] .candidate-bar {
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-strong);
}

[data-signal-workbench] .candidate-bar-fill {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--olive);
}

/* Thinking loading state */
[data-signal-workbench] .result-skeleton {
  display: inline-block;
  vertical-align: middle;
  height: 0.72rem;
  border-radius: 999px;
  background: var(--surface-strong);
  animation: signal-skeleton-pulse 1.2s ease-in-out infinite alternate;
}

[data-signal-workbench] .result-skeleton-title {
  width: min(180px, 70%);
  height: 1.3rem;
}

[data-signal-workbench] .result-skeleton-short {
  width: 78px;
}

[data-signal-workbench] .result-skeleton-number {
  width: 72px;
  height: 1rem;
}

[data-signal-workbench] .result-skeleton-label {
  width: 28px;
}

[data-signal-workbench] .result-skeleton-value {
  width: 42px;
}

[data-signal-workbench] .result-skeleton-candidate {
  width: 58px;
}

[data-signal-workbench] .result-skeleton-score {
  width: 36px;
}

[data-signal-workbench] .candidate-bar-fill.loading {
  width: 42%;
  background: var(--surface-strong);
  animation: signal-skeleton-pulse 1.2s ease-in-out infinite alternate;
}

[data-signal-workbench] .typing-ellipsis {
  color: var(--muted);
}

[data-signal-workbench] .typing-ellipsis span {
  display: inline-block;
  animation: signal-thinking-dot 1.1s ease-in-out infinite;
}

[data-signal-workbench] .typing-ellipsis span:nth-child(2) {
  animation-delay: 120ms;
}

[data-signal-workbench] .typing-ellipsis span:nth-child(3) {
  animation-delay: 240ms;
}

@keyframes signal-skeleton-pulse {
  from { opacity: 0.48; }
  to { opacity: 1; }
}

@keyframes signal-thinking-dot {
  0%, 60%, 100% { opacity: 0.35; }
  30% { opacity: 1; }
}

@keyframes diagnosis-loading-spin {
  to { transform: rotate(360deg); }
}

@keyframes diagnosis-loading-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* Shared modal foundation */
[data-signal-workbench] .thinking-chat-modal,
[data-signal-workbench] .batch-modal {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
}

[data-signal-workbench] .thinking-chat-backdrop,
[data-signal-workbench] .batch-backdrop {
  position: absolute;
  inset: 0;
  background: var(--ink);
  opacity: 0.48;
}

[data-signal-workbench] .thinking-chat-panel,
[data-signal-workbench] .batch-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  max-height: min(760px, calc(100vh - 40px));
  overflow: auto;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

[data-signal-workbench] .thinking-chat-panel {
  width: min(100%, 560px);
}

[data-signal-workbench] .thinking-chat-close,
[data-signal-workbench] .batch-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--muted);
  background: var(--surface-muted);
  font-size: var(--page-section-size);
  line-height: 1;
  cursor: pointer;
  transition: color 150ms ease, background-color 150ms ease, transform 100ms ease-out;
}

[data-signal-workbench] .thinking-chat-close:hover,
[data-signal-workbench] .batch-close:hover {
  color: var(--ink);
  background: var(--surface-strong);
}

[data-signal-workbench] .thinking-chat-close:active,
[data-signal-workbench] .batch-close:active {
  transform: scale(0.92);
}

[data-signal-workbench] .thinking-chat-panel h2,
[data-signal-workbench] .batch-panel h2 {
  margin: 7px 42px 0 0;
  color: var(--ink);
  font-size: var(--page-section-size);
  font-weight: var(--page-section-weight);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

[data-signal-workbench] .thinking-chat-subtitle {
  margin: 8px 42px 0 0;
  color: var(--muted);
  font-size: var(--page-body-size);
  line-height: 1.65;
}

/* Thinking chat */
[data-signal-workbench] .thinking-chat-body {
  min-height: 260px;
  max-height: 420px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 18px;
  overflow-y: auto;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-muted);
  overscroll-behavior: contain;
}

[data-signal-workbench] .thinking-chat-message {
  width: fit-content;
  max-width: 84%;
  padding: 9px 11px;
  border-radius: 12px;
  color: var(--ink);
  background: var(--surface);
  font-size: var(--page-body-size);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

[data-signal-workbench] .thinking-chat-message-user {
  align-self: flex-end;
  color: var(--surface);
  background: var(--olive);
}

[data-signal-workbench] .thinking-chat-message-assistant {
  align-self: flex-start;
  border: 1px solid var(--line);
}

[data-signal-workbench] .thinking-chat-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 10px;
}

[data-signal-workbench] .thinking-chat-input input {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: var(--surface);
}

[data-signal-workbench] .thinking-chat-input input::placeholder {
  color: var(--muted);
  opacity: 0.72;
}

[data-signal-workbench] .thinking-chat-input input:hover {
  border-color: var(--line-strong);
}

/* Batch processing */
[data-signal-workbench] .batch-dropzone {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  margin-top: 18px;
  padding: 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 13px;
  color: var(--muted);
  background: var(--surface-muted);
  text-align: center;
  cursor: pointer;
  transition: border-color 150ms ease, color 150ms ease, background-color 150ms ease, transform 100ms ease-out;
}

[data-signal-workbench] .batch-dropzone:hover,
[data-signal-workbench] .batch-dropzone.dragover {
  border-color: var(--olive);
  color: var(--ink);
  background: var(--accent-soft);
}

[data-signal-workbench] .batch-dropzone:active {
  transform: scale(0.995);
}

[data-signal-workbench] .batch-dropzone span {
  color: var(--ink);
  font-size: var(--page-body-size);
  font-weight: 600;
}

[data-signal-workbench] .batch-dropzone strong {
  color: var(--muted);
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
}

[data-signal-workbench] .batch-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
}

[data-signal-workbench] .batch-summary > span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: var(--page-meta-size);
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-workbench] .batch-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 7px;
}

[data-signal-workbench] .batch-results {
  min-height: 150px;
  display: grid;
  align-content: start;
  gap: 7px;
  margin-top: 13px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-muted);
}

[data-signal-workbench] .batch-empty {
  align-self: center;
  margin: auto;
  color: var(--muted);
  font-size: var(--page-meta-size);
  text-align: center;
}

[data-signal-workbench] .batch-row {
  min-width: 0;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) minmax(90px, auto);
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
}

[data-signal-workbench] .batch-row > span {
  color: var(--muted);
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .batch-row > strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-workbench] .batch-row > em {
  color: var(--muted);
  font-size: var(--page-meta-size);
  font-style: normal;
  text-align: right;
}

[data-signal-workbench] .batch-row > em b,
[data-signal-workbench] .batch-row > em small {
  display: block;
}

[data-signal-workbench] .batch-row > em b {
  color: var(--ink);
  font-weight: 600;
}

[data-signal-workbench] .batch-row > em small {
  margin-top: 2px;
  color: var(--muted);
}

[data-signal-workbench] .batch-row.running {
  border-color: var(--line-strong);
}

[data-signal-workbench] .batch-row.done {
  border-color: var(--rust);
}

[data-signal-workbench] .batch-row.error,
[data-signal-workbench] .batch-row.error > em {
  color: var(--danger);
}

[data-signal-workbench] .batch-row.error {
  border-color: var(--danger);
}

/* Responsive layout */
@media (max-width: 980px) {
  [data-signal-workbench] .workspace-grid {
    grid-template-columns: 1fr;
  }

  [data-signal-workbench] .preview-column {
    margin-top: 24px;
    padding-top: 24px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  [data-signal-workbench] .upload-column {
    padding-right: 0;
  }

  [data-signal-workbench] .run-summary {
    margin-top: 0;
  }
}

@media (max-width: 680px) {
  [data-signal-workbench] .signal-detail-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 17px;
  }

  [data-signal-workbench] .signal-detail-header h1 {
    font-size: clamp(1.7rem, 8vw, 2rem);
  }

  [data-signal-workbench] .section-head,
  [data-signal-workbench] .result-head,
  [data-signal-workbench] .batch-summary {
    align-items: flex-start;
    flex-direction: column;
  }

  [data-signal-workbench] .section-meta,
  [data-signal-workbench] .section-meta-stack {
    max-width: none;
    justify-items: start;
    text-align: left;
  }

  [data-signal-workbench] .workbench-state {
    white-space: normal;
  }

  [data-signal-workbench] .input-meta > div {
    grid-template-columns: 76px minmax(0, 1fr);
  }

  [data-signal-workbench] .dropzone {
    min-height: 132px;
    padding: 17px;
  }

  [data-signal-workbench] .run-summary {
    grid-template-columns: 1fr;
  }

  [data-signal-workbench] .preview-card {
    min-height: 260px;
    padding: 10px;
  }

  [data-signal-workbench] .preview-empty {
    min-height: 238px;
    padding: 22px;
  }

  [data-signal-workbench] .wave-head {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  [data-signal-workbench] .wave-title-group {
    width: 100%;
    margin-right: 0;
  }

  [data-signal-workbench] #wave-range {
    margin-left: auto;
  }

  [data-signal-workbench] .wave-plot {
    height: 210px;
  }

  [data-signal-workbench] .result-main,
  [data-signal-workbench] .signal-result-details {
    grid-template-columns: 1fr;
  }

  [data-signal-workbench] .result-actions {
    width: 100%;
    justify-content: flex-start;
  }

  [data-signal-workbench] .feature-summary-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  [data-signal-workbench] .feature-summary-panel > div:last-child {
    grid-column: 1 / -1;
  }

  [data-signal-workbench] .thinking-chat-modal,
  [data-signal-workbench] .batch-modal {
    align-items: end;
    padding: 10px;
  }

  [data-signal-workbench] .thinking-chat-panel,
  [data-signal-workbench] .batch-panel {
    max-height: calc(100vh - 20px);
    padding: 19px;
    border-radius: 17px;
  }

  [data-signal-workbench] .thinking-chat-body {
    min-height: 220px;
  }

  [data-signal-workbench] .thinking-chat-input {
    grid-template-columns: 1fr;
  }

  [data-signal-workbench] #thinking-chat-send {
    width: 100%;
  }

  [data-signal-workbench] .batch-actions {
    width: 100%;
  }

  [data-signal-workbench] .batch-actions > button {
    flex: 1 1 0;
  }

  [data-signal-workbench] .batch-row {
    grid-template-columns: 22px minmax(0, 1fr);
  }

  [data-signal-workbench] .batch-row > em {
    grid-column: 2;
    text-align: left;
  }
}

/* Shared workbench typography */
[data-signal-workbench] .section-kicker,
[data-signal-workbench] .result-label,
[data-signal-workbench] .input-block-title,
[data-signal-workbench] .detail-title,
[data-signal-workbench] .thinking-chat-kicker {
  color: var(--page-text-tertiary);
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
}

@media (max-width: 420px) {
  [data-signal-workbench] .upload-column,
  [data-signal-workbench] .preview-column {
    padding: 14px;
  }

  [data-signal-workbench] .input-meta > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  [data-signal-workbench] .file-summary-head,
  [data-signal-workbench] .file-summary-row {
    padding-inline: 9px;
  }

  [data-signal-workbench] .result-context-row {
    align-items: flex-start;
    flex-direction: column;
  }

  [data-signal-workbench] .candidate-row {
    grid-template-columns: minmax(62px, 0.8fr) minmax(52px, 1.2fr) auto;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-signal-workbench] *,
  [data-signal-workbench] *::before,
  [data-signal-workbench] *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: more) {
  [data-signal-workbench] .signal-workbench-panel,
  [data-signal-workbench] .input-meta,
  [data-signal-workbench] .dropzone,
  [data-signal-workbench] .file-summary,
  [data-signal-workbench] .preview-card,
  [data-signal-workbench] .signal-result-panel,
  [data-signal-workbench] .thinking-chat-panel,
  [data-signal-workbench] .batch-panel {
    border-color: var(--line-strong);
  }
}

/* White surface reset: keep the signal workbench flat and shadow-free. */
[data-signal-workbench] {
  --surface-muted: var(--surface);
  --surface-strong: var(--surface);
  --accent-soft: var(--surface);
}

/* Two-column intake row with a full-width diagnosis row beneath it. */
[data-signal-workbench] .workspace-grid {
  grid-template-columns: minmax(270px, 0.72fr) minmax(0, 1.65fr);
  grid-template-rows: 456px auto;
  grid-template-areas:
    "upload preview"
    "result result";
  column-gap: 24px;
  row-gap: 24px;
  align-content: start;
}

[data-signal-workbench] .upload-column {
  grid-area: upload;
  padding-right: 0;
}

[data-signal-workbench] .preview-column {
  grid-area: preview;
  padding-left: 24px;
}

[data-signal-workbench] .signal-result-panel {
  grid-area: result;
  margin-top: 0;
}

[data-signal-workbench] #detect-btn {
  min-width: 76px;
}

@media (max-width: 980px) {
  [data-signal-workbench] .workspace-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "upload"
      "preview"
      "result";
    row-gap: 24px;
  }

  [data-signal-workbench] .preview-column {
    margin-top: 0;
    padding-left: 0;
  }
}

@media (max-width: 420px) {
  [data-signal-workbench] .upload-column,
  [data-signal-workbench] .preview-column {
    padding-inline: 0;
  }
}

[data-signal-workbench] .thinking-chat-panel,
[data-signal-workbench] .batch-panel {
  box-shadow: none;
}

[data-signal-workbench] .input-meta,
[data-signal-workbench] .run-summary,
[data-signal-workbench] .feature-summary-panel {
  background: var(--surface);
}

/* Signal workbench typography: exactly three text levels. */
[data-signal-workbench] {
  --signal-heading-size: 1.18rem;
  --signal-body-size: 0.98rem;
  --signal-secondary-size: 0.84rem;
}

[data-signal-workbench] .section-head h3,
[data-signal-workbench] .result-head h3,
[data-signal-workbench] .preview-empty-title {
  font-size: var(--signal-heading-size);
  font-weight: 600;
}

[data-signal-workbench] .drop-title,
[data-signal-workbench] .model-mode-current,
[data-signal-workbench] .model-mode-trigger,
[data-signal-workbench] .result-summary h2,
[data-signal-workbench] .confidence strong,
[data-signal-workbench] .wave-title-group strong {
  font-size: var(--signal-body-size);
}

[data-signal-workbench] .signal-detail-header p,
[data-signal-workbench] .file-summary-row span,
[data-signal-workbench] .file-summary-row strong,
[data-signal-workbench] .model-mode-option,
[data-signal-workbench] .model-mode-label,
[data-signal-workbench] .thinking-chat-entry::after,
[data-signal-workbench] .result-english,
[data-signal-workbench] .confidence span,
[data-signal-workbench] .detail-title,
[data-signal-workbench] .feature-summary-panel dt,
[data-signal-workbench] .feature-summary-panel dd,
[data-signal-workbench] .candidate-name,
[data-signal-workbench] .candidate-score,
[data-signal-workbench] .wave-title-group span,
[data-signal-workbench] #wave-range,
[data-signal-workbench] .wave-zoom-button,
[data-signal-workbench] .signal-tab,
[data-signal-workbench] .sample-upload-link,
[data-signal-workbench] .result-download-link,
[data-signal-workbench] .demo-link-button,
[data-signal-workbench] .batch-process-entry,
[data-signal-workbench] .signal-status,
[data-signal-workbench] .input-shape-inline,
[data-signal-workbench] .thinking-chat-subtitle,
[data-signal-workbench] .thinking-chat-message,
[data-signal-workbench] .batch-dropzone span,
[data-signal-workbench] .batch-dropzone strong,
[data-signal-workbench] .batch-summary > span,
[data-signal-workbench] .batch-empty,
[data-signal-workbench] .batch-row > span,
[data-signal-workbench] .batch-row > strong,
[data-signal-workbench] .batch-row > em {
  font-size: var(--signal-secondary-size);
}

/* Diagnosis detail rows follow the sketch: a narrow side label, then the data card. */
[data-signal-workbench] .signal-result-details {
  gap: 12px;
}

[data-signal-workbench] .signal-result-details > .result-detail-row {
  display: grid;
  grid-template-columns: minmax(108px, 0.23fr) minmax(0, 0.77fr);
  align-items: stretch;
  gap: 14px;
  min-width: 0;
  min-height: 0;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
}

[data-signal-workbench] .result-detail-row > .detail-title {
  max-width: none;
  align-self: center;
  margin: 0;
  line-height: 1.35;
}

[data-signal-workbench] .result-detail-card {
  min-width: 0;
  display: flex;
  align-items: center;
  padding: 0;
  border: 0;
  background: transparent;
}

[data-signal-workbench] .result-detail-card .feature-summary-panel,
[data-signal-workbench] .result-detail-card #top-list {
  margin-top: 0;
  width: 100%;
}

[data-signal-workbench] .result-detail-card .feature-summary-panel {
  align-items: center;
}

[data-signal-workbench] .result-detail-card #top-list {
  align-content: center;
  min-height: 0;
}

@media (max-width: 680px) {
  [data-signal-workbench] .signal-result-details > .result-detail-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  [data-signal-workbench] .result-detail-row > .detail-title {
    max-width: none;
    margin-top: 0;
  }
}

/* Result layout: left stack for diagnosis/confidence, right stack for details. */
[data-signal-workbench] .result-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.3fr) minmax(0, 0.7fr);
  align-items: start;
  gap: 12px;
  margin-top: 13px;
  min-height: 400px;
}

[data-signal-workbench] .result-main,
[data-signal-workbench] .signal-result-details {
  min-width: 0;
  align-self: stretch;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 12px;
  margin: 0;
}

[data-signal-workbench] .result-summary,
[data-signal-workbench] .confidence {
  width: 100%;
  max-width: 100%;
  justify-self: start;
  min-height: 0;
  display: grid;
  justify-items: center;
  text-align: center;
}

[data-signal-workbench] .result-summary {
  min-width: 0;
}

[data-signal-workbench] .result-side {
  display: contents;
}

[data-signal-workbench] .signal-result-details > div {
  min-width: 0;
}

[data-signal-workbench] .signal-result-details {
  grid-column: 2;
  grid-row: 1;
}

[data-signal-workbench] .result-main {
  grid-column: 1;
  grid-row: 1;
}

[data-signal-workbench] .result-main .result-summary {
  grid-row: 1;
}

[data-signal-workbench] .result-main .confidence {
  grid-row: 2;
}

[data-signal-workbench] .result-summary,
[data-signal-workbench] .confidence {
  align-content: center;
}

/* Keep the four result cards compact while reserving identical space for loading. */
[data-signal-workbench] .result-grid {
  min-height: 284px;
}

[data-signal-workbench] .result-main,
[data-signal-workbench] .signal-result-details {
  grid-template-rows: repeat(2, minmax(0, 1fr));
}

[data-signal-workbench] .result-summary,
[data-signal-workbench] .confidence,
[data-signal-workbench] .signal-result-details > .result-detail-row {
  min-height: 136px;
}

[data-signal-workbench] .result-title-group {
  text-align: center;
}

[data-signal-workbench] .result-summary h2,
[data-signal-workbench] .result-title-group .result-english,
[data-signal-workbench] .confidence strong {
  justify-content: center;
  text-align: center;
}

/* Keep the remaining signal-page copy on the same three-level type scale. */
[data-signal-workbench] .signal-api-entry,
[data-signal-workbench] .section-kicker,
[data-signal-workbench] .result-label,
[data-signal-workbench] .input-block-title,
[data-signal-workbench] .thinking-chat-kicker,
[data-signal-workbench] .section-meta,
[data-signal-workbench] .preview-current,
[data-signal-workbench] .workbench-state,
[data-signal-workbench] .input-meta dt,
[data-signal-workbench] .input-meta dd,
[data-signal-workbench] .drop-subtitle,
[data-signal-workbench] .run-summary span,
[data-signal-workbench] .run-summary strong,
[data-signal-workbench] .thinking-explanation-head span,
[data-signal-workbench] .thinking-explanation-head strong,
[data-signal-workbench] .thinking-chat-subtitle,
[data-signal-workbench] .batch-dropzone strong,
[data-signal-workbench] .batch-summary > span,
[data-signal-workbench] .batch-empty,
[data-signal-workbench] .batch-row > span,
[data-signal-workbench] .batch-row > strong,
[data-signal-workbench] .batch-row > em {
  font-size: var(--signal-secondary-size);
}

[data-signal-workbench] .thinking-chat-panel h2,
[data-signal-workbench] .batch-panel h2 {
  font-size: var(--signal-heading-size);
}

[data-signal-workbench] .thinking-explanation p,
[data-signal-workbench] .thinking-chat-message,
[data-signal-workbench] .batch-dropzone span {
  font-size: var(--signal-body-size);
}

@media (max-width: 680px) {
  [data-signal-workbench] .result-grid {
    grid-template-columns: 1fr;
  }

  [data-signal-workbench] .result-main,
  [data-signal-workbench] .signal-result-details {
    grid-column: 1;
    grid-row: auto;
  }

  [data-signal-workbench] .result-summary,
  [data-signal-workbench] .confidence {
    width: 100%;
  }
}

/* Compact Apple-style file chooser and model picker. */
[data-signal-workbench] .upload-input-row {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(170px, 1.18fr);
  align-items: stretch;
  gap: 12px;
}

[data-signal-workbench] .upload-choice-column {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 8px;
}

[data-signal-workbench] .upload-choice-column .dropzone {
  min-height: 0;
  height: 104px;
  aspect-ratio: auto;
}

[data-signal-workbench] .upload-choice-column .batch-process-entry {
  width: 100%;
  margin-top: 0;
}

[data-signal-workbench] .upload-input-row .file-summary {
  min-height: 146px;
}

/* Reserve the rendered waveform height so loading never reflows the workbench. */
[data-signal-workbench] .preview-card {
  position: relative;
  overflow: hidden;
  height: 400px;
  min-height: 400px;
}

[data-signal-workbench] .preview-empty,
[data-signal-workbench] .preview-charts {
  position: absolute;
  inset: 0;
  min-height: 0;
  height: 100%;
}

[data-signal-workbench] .batch-process-entry:disabled {
  color: var(--muted-soft);
  border-color: rgba(60, 60, 67, 0.1);
  background: rgba(118, 118, 128, 0.1);
  cursor: not-allowed;
  opacity: 0.62;
}

[data-signal-workbench] .upload-input-row .file-summary {
  min-width: 0;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

[data-signal-workbench] .model-mode {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

[data-signal-workbench] .signal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

[data-signal-workbench] .signal-actions #detect-btn {
  width: auto;
  min-height: 32px;
  flex: 0 0 auto;
  padding-inline: 10px;
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .model-mode-picker {
  position: relative;
  min-width: 0;
}

[data-signal-workbench] .model-mode-trigger {
  min-height: 34px;
  max-width: 260px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 9px 0 0;
  border: 0;
  border-radius: 999px;
  color: var(--page-text-secondary);
  background: transparent;
  font-size: var(--page-meta-size);
  font-weight: var(--page-meta-weight);
  white-space: nowrap;
  cursor: pointer;
}

[data-signal-workbench] .model-mode-trigger span {
  overflow: hidden;
  text-overflow: ellipsis;
}

[data-signal-workbench] .model-mode-trigger svg {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 160ms var(--ease-apple);
}

[data-signal-workbench] .model-mode-trigger:hover,
[data-signal-workbench] .model-mode-picker.is-open .model-mode-trigger {
  color: var(--page-text-primary);
  background: rgba(60, 60, 67, 0.07);
  padding-left: 9px;
}

[data-signal-workbench] .model-mode-picker.is-open .model-mode-trigger svg {
  transform: rotate(180deg);
}

[data-signal-workbench] .model-mode-menu {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 20;
  width: max-content;
  min-width: 250px;
  display: grid;
  gap: 3px;
  padding: 6px;
  border: 1px solid rgba(60, 60, 67, 0.12);
  border-radius: 16px;
  color: var(--ink);
  background: rgba(255, 254, 251, 0.94);
  box-shadow: 0 18px 48px rgba(42, 37, 30, 0.14), inset 0 1px rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(5px) scale(0.98);
  transform-origin: left bottom;
  transition: opacity 150ms var(--ease-apple), transform 150ms var(--ease-apple), visibility 150ms;
}

[data-signal-workbench] .model-mode-picker.is-open .model-mode-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

[data-signal-workbench] .model-mode-option {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 10px;
  border: 0;
  border-radius: 10px;
  color: var(--ink);
  background: transparent;
  font-size: var(--page-meta-size);
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
}

[data-signal-workbench] .model-mode-option:hover,
[data-signal-workbench] .model-mode-option:focus-visible {
  outline: 0;
  background: rgba(60, 60, 67, 0.07);
}

[data-signal-workbench] .model-mode-option svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--olive);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
}

[data-signal-workbench] .model-mode-option[aria-selected="true"] svg {
  opacity: 1;
}

[data-signal-workbench] .thinking-chat-entry {
  position: relative;
  width: 30px;
  height: 30px;
  min-height: 30px;
  flex: 0 0 30px;
  display: inline-grid;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 9px;
  color: var(--page-text-secondary);
  background: transparent;
}

[data-signal-workbench] .thinking-chat-entry img {
  width: 17px;
  height: 17px;
  display: block;
  opacity: 0.78;
}

[data-signal-workbench] .thinking-chat-entry:hover {
  color: var(--page-text-primary);
  background: rgba(60, 60, 67, 0.07);
}

[data-signal-workbench] .thinking-chat-entry::after {
  position: absolute;
  z-index: 20;
  left: 50%;
  bottom: calc(100% + 8px);
  width: max-content;
  max-width: 220px;
  padding: 7px 9px;
  border-radius: 9px;
  color: var(--page-text-primary);
  border: 1px solid rgba(60, 60, 67, 0.12);
  background: rgba(255, 254, 251, 0.92);
  box-shadow: 0 10px 26px rgba(42, 37, 30, 0.12), inset 0 1px rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  content: attr(data-tooltip);
  font-size: var(--page-meta-size);
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 4px) scale(0.98);
  transition: opacity 150ms var(--ease-apple), transform 150ms var(--ease-apple);
}

[data-signal-workbench] .thinking-chat-entry:hover::after,
[data-signal-workbench] .thinking-chat-entry:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

@media (max-width: 680px) {
  [data-signal-workbench] .upload-input-row {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  }

  [data-signal-workbench] .model-mode-trigger {
    max-width: 220px;
  }

  [data-signal-workbench] .signal-actions {
    align-items: stretch;
  }

  [data-signal-workbench] .preview-card {
    height: 360px;
    min-height: 360px;
  }
}

/* Final type-scale pass: keep every visible workbench label on one of three levels. */
[data-signal-workbench] .section-head h3,
[data-signal-workbench] .result-head h3,
[data-signal-workbench] .preview-empty-title,
[data-signal-workbench] .thinking-chat-panel h2,
[data-signal-workbench] .batch-panel h2 {
  font-size: var(--signal-heading-size);
}

[data-signal-workbench] .drop-title,
[data-signal-workbench] .result-summary h2,
[data-signal-workbench] .confidence strong,
[data-signal-workbench] .wave-title-group strong,
[data-signal-workbench] .thinking-explanation p,
[data-signal-workbench] .thinking-chat-message,
[data-signal-workbench] .batch-dropzone span {
  font-size: var(--signal-body-size);
}

[data-signal-workbench] .signal-api-entry,
[data-signal-workbench] .section-kicker,
[data-signal-workbench] .result-label,
[data-signal-workbench] .input-block-title,
[data-signal-workbench] .detail-title,
[data-signal-workbench] .thinking-chat-kicker,
[data-signal-workbench] .section-meta,
[data-signal-workbench] .preview-current,
[data-signal-workbench] .workbench-state,
[data-signal-workbench] .input-meta dt,
[data-signal-workbench] .input-meta dd,
[data-signal-workbench] .drop-subtitle,
[data-signal-workbench] .file-summary-row span,
[data-signal-workbench] .file-summary-row strong,
[data-signal-workbench] .model-mode-label,
[data-signal-workbench] .model-mode-trigger,
[data-signal-workbench] .model-mode-option,
[data-signal-workbench] .thinking-chat-entry::after,
[data-signal-workbench] .result-english,
[data-signal-workbench] .confidence span,
[data-signal-workbench] .feature-summary-panel dt,
[data-signal-workbench] .feature-summary-panel dd,
[data-signal-workbench] .candidate-name,
[data-signal-workbench] .candidate-score,
[data-signal-workbench] .wave-title-group span,
[data-signal-workbench] #wave-range,
[data-signal-workbench] .wave-zoom-button,
[data-signal-workbench] .signal-tab,
[data-signal-workbench] .sample-upload-link,
[data-signal-workbench] .result-download-link,
[data-signal-workbench] .demo-link-button,
[data-signal-workbench] .batch-process-entry,
[data-signal-workbench] .signal-status,
[data-signal-workbench] .input-shape-inline,
[data-signal-workbench] .thinking-explanation-head span,
[data-signal-workbench] .thinking-explanation-head strong,
[data-signal-workbench] .batch-dropzone strong,
[data-signal-workbench] .batch-summary > span,
[data-signal-workbench] .batch-empty,
[data-signal-workbench] .batch-row > span,
[data-signal-workbench] .batch-row > strong,
[data-signal-workbench] .batch-row > em,
[data-signal-workbench] .signal-actions #detect-btn {
  font-size: var(--signal-secondary-size);
}

@media (max-width: 420px) {
  [data-signal-workbench] .upload-input-row {
    grid-template-columns: 1fr;
  }

  [data-signal-workbench] .upload-input-row .file-summary {
    min-height: 0;
  }

  [data-signal-workbench] .upload-choice-column .dropzone {
    width: 100%;
    justify-self: center;
  }

  [data-signal-workbench] .model-mode-trigger {
    max-width: 190px;
  }
}

/*
 * Locked signal-page copy hierarchy.
 *
 * The four workbench section labels are the only small headings.  All other
 * selectors below are explicit business-copy targets so the thinking chat
 * modal keeps its existing typography and colors.
 */
[data-signal-workbench] {
  --signal-heading-size: 1.18rem;
  --signal-body-size: 0.98rem;
  --signal-secondary-size: 0.84rem;
}

[data-signal-workbench] .section-head h3,
[data-signal-workbench] .result-head h3 {
  color: var(--olive) !important;
  font-family: var(--page-font);
  font-size: var(--signal-heading-size);
  font-weight: 600;
}

/* Model explanation is a workbench heading, not chat copy. */
[data-signal-workbench] .thinking-explanation-head strong {
  color: var(--olive);
  font-family: var(--page-font);
  font-size: var(--signal-heading-size);
  font-weight: 600;
}

/* Primary business copy: black, regular system text. */
[data-signal-workbench] .input-meta dt,
[data-signal-workbench] .input-meta dd,
[data-signal-workbench] .drop-title,
[data-signal-workbench] .file-summary-head .input-block-title,
[data-signal-workbench] .file-summary-row span,
[data-signal-workbench] .file-summary-row strong,
[data-signal-workbench] .wave-title-group strong,
[data-signal-workbench] #wave-range,
[data-signal-workbench] .wave-zoom-button,
[data-signal-workbench] .signal-tab,
[data-signal-workbench] .result-summary h2,
[data-signal-workbench] .result-summary .result-english,
[data-signal-workbench] .result-description,
[data-signal-workbench] .confidence span,
[data-signal-workbench] .confidence strong,
[data-signal-workbench] .detail-title,
[data-signal-workbench] .feature-summary-panel dt,
[data-signal-workbench] .feature-summary-panel dd,
[data-signal-workbench] #top-list > li:not(.candidate-row),
[data-signal-workbench] .candidate-name,
[data-signal-workbench] .candidate-score,
[data-signal-workbench] .thinking-explanation p,
[data-signal-workbench] .batch-panel h2,
[data-signal-workbench] .batch-dropzone span,
[data-signal-workbench] .batch-dropzone strong,
[data-signal-workbench] .batch-row > span,
[data-signal-workbench] .batch-row > strong,
[data-signal-workbench] .batch-row > em {
  color: var(--ink);
  font-family: var(--page-font);
  font-size: var(--signal-body-size);
  font-weight: 400;
}

[data-signal-workbench] .batch-row > em b,
[data-signal-workbench] .batch-row > em small {
  color: var(--ink);
  font-family: var(--page-font);
  font-size: var(--signal-body-size);
  font-weight: 400;
}

[data-signal-workbench] .result-description {
  color: var(--ink) !important;
}

/* Action labels use the primary size; disabled/filled state colors retain their existing rules. */
[data-signal-workbench] .drop-title,
[data-signal-workbench] .sample-upload-link,
[data-signal-workbench] .result-download-link,
[data-signal-workbench] .explain-link,
[data-signal-workbench] .demo-link-button,
[data-signal-workbench] .batch-process-entry,
[data-signal-workbench] .batch-download-link,
[data-signal-workbench] #detect-btn,
[data-signal-workbench] #batch-run {
  font-family: var(--page-font);
  font-size: var(--signal-body-size);
  font-weight: 400;
}

[data-signal-workbench] .sample-upload-link:not(:disabled),
[data-signal-workbench] .result-download-link:not(:disabled),
[data-signal-workbench] .explain-link:not(:disabled),
[data-signal-workbench] .demo-link-button,
[data-signal-workbench] .batch-process-entry:not(:disabled),
[data-signal-workbench] .batch-download-link:not(:disabled) {
  color: var(--ink);
}

/* Secondary business copy: gray, regular system text. */
[data-signal-workbench] .signal-api-entry,
[data-signal-workbench] .signal-api-entry a,
[data-signal-workbench] .preview-empty-title,
[data-signal-workbench] .preview-empty-copy,
[data-signal-workbench] .model-mode-trigger,
[data-signal-workbench] .model-mode-option,
[data-signal-workbench] .thinking-explanation-head span,
[data-signal-workbench] .batch-panel .thinking-chat-kicker,
[data-signal-workbench] .batch-panel .thinking-chat-subtitle,
[data-signal-workbench] .batch-summary > span,
[data-signal-workbench] .batch-empty,
[data-signal-workbench] .signal-status {
  color: var(--muted);
  font-family: var(--page-font);
  font-size: var(--signal-secondary-size);
  font-weight: 400;
}

/* The baseline/thinking model names are secondary labels outside the chat. */
[data-signal-workbench] .model-mode-trigger,
[data-signal-workbench] .model-mode-option {
  color: var(--muted);
  font-size: var(--signal-secondary-size);
  font-weight: 400;
}

/*
 * The preceding typography pass predates the chat exclusion. Restore the
 * original chat scale explicitly; no hierarchy rule above targets chat text.
 */
[data-signal-workbench] .thinking-chat-panel h2 {
  color: var(--ink);
  font-family: var(--page-font);
  font-size: var(--page-section-size);
  font-weight: var(--page-section-weight);
}

[data-signal-workbench] .thinking-chat-kicker,
[data-signal-workbench] .thinking-chat-subtitle,
[data-signal-workbench] .thinking-chat-message,
[data-signal-workbench] .thinking-chat-entry::after {
  font-family: var(--page-font);
}

[data-signal-workbench] .thinking-chat-kicker,
[data-signal-workbench] .thinking-chat-entry::after {
  font-size: var(--page-meta-size);
}

[data-signal-workbench] .thinking-chat-subtitle,
[data-signal-workbench] .thinking-chat-message {
  font-size: var(--page-body-size);
}

/* 2026-09-07 interaction polish: keep labels secondary and make hover states stable. */
[data-signal-workbench] .input-meta dt,
[data-signal-workbench] .file-summary-head .input-block-title,
[data-signal-workbench] .file-summary-row span {
  color: var(--muted) !important;
  font-size: var(--signal-secondary-size) !important;
  font-weight: 400 !important;
}

/* The tooltip must be allowed to escape the file card so the sample copy is never clipped. */
[data-signal-workbench] .file-summary {
  overflow: visible;
}

/* Keep the model picker width constant on hover; changing padding here shifted the whole input card. */
[data-signal-workbench] .model-mode-trigger {
  padding-inline: 9px;
  transition: color 160ms var(--ease-apple), background-color 160ms var(--ease-apple);
}

[data-signal-workbench] .model-mode-trigger:hover,
[data-signal-workbench] .model-mode-picker.is-open .model-mode-trigger {
  padding-left: 9px;
}

/* Apple-like, anchored hover hints for links and actions. */
[data-signal-workbench] [data-tooltip]::after {
  z-index: 40;
  max-width: min(280px, 72vw);
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.96);
  background: rgba(29, 29, 31, 0.92);
  box-shadow: 0 10px 28px rgba(29, 29, 31, 0.18), inset 0 1px rgba(255, 255, 255, 0.08);
  backdrop-filter: saturate(150%) blur(16px);
  -webkit-backdrop-filter: saturate(150%) blur(16px);
  font-size: var(--page-meta-size);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0;
  opacity: 0;
  transform: translateY(6px) scale(0.98);
  transform-origin: bottom right;
  transition: opacity 160ms var(--ease-apple), transform 160ms var(--ease-apple);
}

[data-signal-workbench] [data-tooltip]:hover::after,
[data-signal-workbench] [data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translateY(0) scale(1);
}

[data-signal-workbench] .signal-api-entry a {
  color: #0a66e8 !important;
}

[data-signal-workbench] .signal-api-entry a:hover,
[data-signal-workbench] .signal-api-entry a:focus-visible {
  color: #0959ca !important;
  background: rgba(10, 102, 232, 0.1);
}

/* Zoom and channel controls share one quiet, tactile selected state. */
[data-signal-workbench] .wave-zoom-button,
[data-signal-workbench] .signal-tab {
  transition: color 160ms var(--ease-apple), background-color 160ms var(--ease-apple), box-shadow 160ms var(--ease-apple), transform 100ms ease-out;
}

@media (hover: hover) and (pointer: fine) {
  [data-signal-workbench] .wave-zoom-button:hover,
  [data-signal-workbench] .signal-tab:hover {
    color: var(--ink);
    background: rgba(10, 102, 232, 0.08);
  }
}

[data-signal-workbench] .wave-zoom-button.active,
[data-signal-workbench] .signal-tab.active {
  color: var(--olive);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px rgba(10, 102, 232, 0.16), 0 1px 3px rgba(31, 31, 31, 0.08);
}

[data-signal-workbench] .wave-zoom-button:focus-visible,
[data-signal-workbench] .signal-tab:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

/* Give the two detail cards a small optical inset without changing their grid math. */
[data-signal-workbench] .result-detail-card {
  padding-left: 8px;
}

@media (max-width: 680px) {
  [data-signal-workbench] .result-detail-card {
    padding-left: 0;
  }
}

/* 2026-09-07 follow-up: move only the two detail labels, never their cards. */
[data-signal-workbench] .signal-result-details > .result-detail-row > .detail-title {
  transform: translateX(52px);
}

/* The empty preview copy is regular primary body text, not a secondary caption. */
[data-signal-workbench] .preview-empty-title {
  color: var(--ink) !important;
  font-family: var(--page-font) !important;
  font-size: var(--signal-body-size) !important;
  font-weight: 400 !important;
  line-height: 1.5;
  letter-spacing: 0;
}

/* Light Apple material for action hints: readable on the warm surface, never a black bubble. */
[data-signal-workbench] [data-tooltip]::after {
  border: 1px solid rgba(60, 60, 67, 0.12);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 26px rgba(31, 31, 31, 0.12), inset 0 1px rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
}

/* Calm, tactile hover feedback for the three result actions. */
[data-signal-workbench] .sample-upload-link,
[data-signal-workbench] .result-download-link,
[data-signal-workbench] .result-demo-link {
  transition: color 160ms var(--ease-apple), background-color 160ms var(--ease-apple), border-color 160ms var(--ease-apple), box-shadow 160ms var(--ease-apple), transform 100ms ease-out;
}

[data-signal-workbench] .sample-upload-link:hover,
[data-signal-workbench] .result-download-link:hover:not(:disabled),
[data-signal-workbench] .result-demo-link:hover {
  border-color: rgba(10, 102, 232, 0.2);
  color: var(--ink);
  background: rgba(10, 102, 232, 0.07);
  box-shadow: 0 3px 10px rgba(31, 31, 31, 0.08), inset 0 0 0 1px rgba(255, 255, 255, 0.58);
}

[data-signal-workbench] .sample-upload-link:active,
[data-signal-workbench] .result-download-link:active:not(:disabled),
[data-signal-workbench] .result-demo-link:active {
  transform: scale(0.98);
}

@media (max-width: 680px) {
  [data-signal-workbench] .signal-result-details > .result-detail-row > .detail-title {
    transform: none;
  }
}

/* Keep the upload card's action row dimensionally stable across model modes. */
[data-signal-workbench] .signal-actions,
[data-signal-workbench] .model-mode {
  min-width: 0;
}

[data-signal-workbench] .model-mode {
  flex: 1 1 0;
}

[data-signal-workbench] .model-mode-picker {
  min-width: 0;
  flex: 1 1 0;
}

[data-signal-workbench] .model-mode-trigger {
  width: 100%;
  max-width: none;
  min-width: 0;
}

[data-signal-workbench] .thinking-chat-entry {
  flex: 0 0 30px;
}

/* Reserve the thinking action slot while baseline is selected, without showing it. */
[data-signal-workbench] .thinking-chat-entry.hidden {
  display: inline-grid !important;
  visibility: hidden;
  pointer-events: none;
}

@media (max-width: 680px) {
  [data-signal-workbench] .model-mode-trigger {
    max-width: 220px;
  }
}

@media (max-width: 420px) {
  [data-signal-workbench] .model-mode-trigger {
    max-width: 190px;
  }
}

/* 2026-09-07 structure polish: let the two workbench parts breathe without a second outer frame. */
[data-signal-workbench] .preview-card {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

[data-signal-workbench] .signal-result-panel {
  margin-top: 0;
  padding: 18px 0 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

/* Keep loading placeholders visible even though the workbench uses white surfaces. */
[data-signal-workbench] .signal-result-panel.is-loading .result-summary,
[data-signal-workbench] .signal-result-panel.is-loading .confidence,
[data-signal-workbench] .signal-result-panel.is-loading .result-detail-card {
  background: #fafbfc;
}

[data-signal-workbench] .signal-result-panel.is-loading .result-skeleton,
[data-signal-workbench] .signal-result-panel.is-loading .candidate-bar-fill.loading {
  background-color: #dfe4ea;
  background-image: linear-gradient(100deg, #dfe4ea 20%, #f7f9fb 45%, #dfe4ea 70%);
  background-size: 240% 100%;
  animation: diagnosis-loading-shimmer 1.45s ease-in-out infinite;
}

/* Explanation toggle is a quiet secondary action, not a primary result label. */
[data-signal-workbench] .explain-link,
[data-signal-workbench] .explain-link:not(:disabled) {
  color: var(--muted) !important;
  font-size: var(--signal-secondary-size) !important;
  font-weight: 400 !important;
}

/* Keep the batch empty state visually centered inside its result well. */
[data-signal-workbench] .batch-results > .batch-empty {
  width: 100%;
  min-height: 128px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

/* Returned diagnosis and confidence use the docs small-heading hierarchy. */
[data-signal-workbench] #result-name,
[data-signal-workbench] #result-confidence {
  color: var(--ink) !important;
  font-family: var(--page-font) !important;
  font-size: var(--signal-heading-size) !important;
  font-weight: 600 !important;
  line-height: 1.35;
  letter-spacing: 0;
}

/* Keep the Top 3 label, bar, and percentage group optically aligned with the card. */
[data-signal-workbench] .result-detail-card #top-list {
  transform: translateX(-8px);
}

@media (max-width: 680px) {
  [data-signal-workbench] .result-detail-card #top-list {
    transform: none;
  }
}

/* Place each detail title on one line at the top-left of its own result card. */
[data-signal-workbench] .signal-result-details > .result-detail-row {
  display: block;
}

[data-signal-workbench] .signal-result-details > .result-detail-row > .detail-title {
  display: block;
  margin: 0 0 9px;
  text-align: left;
  white-space: nowrap;
  transform: none;
}

[data-signal-workbench] .detail-title-line {
  display: inline;
}

[data-signal-workbench] .result-detail-card {
  display: block;
}

/* Center the five feature metrics across the full feature-summary card. */
[data-signal-workbench] .signal-result-details > .result-detail-row:first-child .result-detail-card {
  padding-left: 0;
}

/* Results hierarchy: the two detail cards share the top row; summary follows below. */
[data-signal-workbench] .result-grid {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "details"
    "main";
  min-height: 0;
  gap: 18px;
}

[data-signal-workbench] .signal-result-details {
  grid-area: details;
  grid-column: auto;
  grid-row: auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: none;
  margin: 0;
}

[data-signal-workbench] .result-main {
  grid-area: main;
  grid-column: auto;
  grid-row: auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: none;
  width: 100%;
  align-items: center;
  justify-items: stretch;
  justify-self: stretch;
  gap: 12px;
  margin: 0;
}

[data-signal-workbench] .result-main .result-summary,
[data-signal-workbench] .result-main .confidence {
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
}

[data-signal-workbench] .result-main .result-summary {
  grid-column: 1;
  grid-row: auto;
  width: 100% !important;
  justify-self: center !important;
  justify-items: initial !important;
  display: block !important;
  text-align: center;
}

[data-signal-workbench] .result-main .confidence {
  grid-column: 2;
  grid-row: auto;
  justify-self: center;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  text-align: center;
}

[data-signal-workbench] .result-main .result-title-group {
  width: 100% !important;
  display: flex !important;
  align-items: baseline;
  justify-content: center !important;
  justify-items: initial !important;
  gap: 10px;
  text-align: center;
}

[data-signal-workbench] .result-main .result-summary h2,
[data-signal-workbench] .result-main .result-title-group .result-english {
  min-height: 0;
  margin: 0;
  justify-content: center;
  text-align: center;
}

[data-signal-workbench] .result-main .confidence strong {
  min-height: 0;
  display: inline-flex;
  justify-content: center;
  text-align: center;
}

@media (max-width: 680px) {
  [data-signal-workbench] .signal-result-details {
    grid-template-columns: 1fr;
  }

  [data-signal-workbench] .result-main {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  [data-signal-workbench] .result-main .result-summary,
  [data-signal-workbench] .result-main .confidence {
    grid-column: 1;
    justify-self: center;
    text-align: center;
  }

  [data-signal-workbench] .result-main .confidence {
    justify-content: center;
  }
}