/* Demo route */
.b4-demo-page-v50 {
  min-height: 100vh;
  padding: var(--b4-space-8) 0 var(--b4-space-16);
  background: var(--b4-color-canvas);
}

.b4-demo-head-v50 {
  width: min(var(--b4-shell), calc(100% - 4rem));
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
  gap: var(--b4-space-12);
  align-items: end;
  margin: 0 auto var(--b4-space-8);
}

.b4-demo-head-v50 h1 {
  margin: var(--b4-space-2) 0 0;
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-8);
  font-weight: 400;
  line-height: var(--b4-leading-tight);
}

.b4-demo-head-v50 p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-3);
}

.b4-demo-head-v50 dl {
  display: none;
}

.b4-demo-workspace-wrap {
  width: min(90rem, calc(100% - 2rem));
  margin-inline: auto;
}

/* Decision workspace */
.b4-workspace {
  overflow: hidden;
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-3);
  background: var(--b4-color-canvas-raised);
  box-shadow: var(--b4-shadow-tool);
  scroll-margin-top: var(--b4-header-height);
}

.b4-workspace[data-workspace-state="loading"] {
  overflow: visible;
}

.b4-workspace-topbar {
  display: grid;
  min-height: 3.75rem;
  grid-template-columns: minmax(13rem, 0.75fr) minmax(14rem, 1fr) auto;
  gap: var(--b4-space-5);
  align-items: center;
  padding: var(--b4-space-2) var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border);
  background: #0c0f10;
}

.b4-workspace-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--b4-space-2);
}

.b4-workspace-brand .b4-mark {
  width: 1.5rem;
  height: 1.5rem;
}

.b4-workspace-brand strong {
  font-size: var(--b4-text-3);
}

.b4-workspace-brand span {
  overflow: hidden;
  padding-left: var(--b4-space-3);
  border-left: 1px solid var(--b4-color-border-strong);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b4-workspace-run-state {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: var(--b4-space-2);
  font-size: var(--b4-text-1);
}

.b4-workspace-run-state i {
  width: 0.45rem;
  height: 0.45rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--b4-color-positive);
}

.b4-workspace[data-workspace-state="stale"] .b4-workspace-run-state i {
  background: var(--b4-color-warning);
}

.b4-workspace[data-workspace-state="loading"] .b4-workspace-run-state i {
  background: var(--b4-color-info);
  box-shadow: 0 0 0 0.3rem rgba(138, 180, 248, 0.12);
}

.b4-workspace[data-workspace-state="error"] .b4-workspace-run-state i {
  background: var(--b4-color-negative);
}

.b4-workspace-run-state strong {
  color: var(--b4-color-text);
}

.b4-workspace-run-state span {
  overflow: hidden;
  color: var(--b4-color-text-subtle);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b4-workspace-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--b4-space-2);
}

.b4-workspace-actions .b4-button {
  min-height: 2.75rem;
  padding-block: 0.45rem;
  font-size: var(--b4-text-1);
}

.b4-icon-button {
  display: inline-grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: transparent;
  color: var(--b4-color-text-muted);
  cursor: pointer;
}

.b4-icon-button:hover {
  border-color: var(--b4-color-accent);
  color: var(--b4-color-text);
}

.b4-workspace-layout {
  display: grid;
  grid-template-columns: minmax(20rem, 23rem) minmax(0, 1fr);
  align-items: stretch;
}

.b4-decision-pane {
  min-width: 0;
  border-right: 1px solid var(--b4-color-border);
  background: var(--b4-color-surface);
}

.b4-analysis-pane {
  min-width: 0;
  background: var(--b4-color-canvas-raised);
}

.b4-pane-heading {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--b4-space-3);
}

.b4-pane-heading > div {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--b4-space-3);
}

.b4-pane-heading strong,
.b4-pane-heading small {
  display: block;
}

.b4-pane-heading strong {
  font-size: var(--b4-text-2);
}

.b4-pane-heading small {
  overflow: hidden;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b4-step-number {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
  font-weight: 800;
}

.b4-demo-label {
  display: inline-flex;
  min-height: 1.6rem;
  align-items: center;
  padding-inline: var(--b4-space-2);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-round);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  white-space: nowrap;
}

.b4-decision-pane > .b4-pane-heading {
  min-height: 4.25rem;
  padding: var(--b4-space-3) var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-preset-switcher {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--b4-space-2);
  padding: var(--b4-space-3) var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-preset-switcher button {
  display: grid;
  min-height: 3.25rem;
  align-content: center;
  gap: 0.1rem;
  padding: var(--b4-space-2) var(--b4-space-3);
  border: 1px solid var(--b4-color-border);
  border-radius: var(--b4-radius-2);
  background: rgba(255, 255, 255, 0.018);
  color: var(--b4-color-text-muted);
  text-align: left;
  cursor: pointer;
}

.b4-preset-switcher button:hover {
  border-color: var(--b4-color-border-strong);
}

.b4-preset-switcher button.is-active {
  border-color: rgba(118, 224, 178, 0.52);
  background: rgba(118, 224, 178, 0.07);
  color: var(--b4-color-text);
}

.b4-preset-switcher span {
  font-size: var(--b4-text-2);
  font-weight: 700;
}

.b4-preset-switcher small {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-preset-switcher button.is-active small {
  color: var(--b4-color-text-muted);
}

.b4-decision-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--b4-space-3);
  padding: var(--b4-space-4);
}

.b4-form-field {
  display: grid;
  min-width: 0;
  align-content: start;
  gap: var(--b4-space-2);
}

.b4-form-field-full,
.b4-form-details,
.b4-form-error,
.b4-stale-notice,
.b4-run-button,
.b4-analysis-progress,
.b4-run-status {
  grid-column: 1 / -1;
}

.b4-form-field label {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
}

.b4-form-field label span {
  color: var(--b4-color-text-subtle);
  font-weight: 500;
}

.b4-form-field small {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  line-height: 1.4;
}

.b4-decision-form :where(input, textarea) {
  background: #0f1213;
  font-size: var(--b4-text-2);
}

.b4-decision-form textarea {
  min-height: 4.5rem;
}

.b4-decision-form #scenarioText {
  min-height: 6.5rem;
}

.b4-form-details {
  border-top: 1px solid var(--b4-color-border);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-form-details summary {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--b4-space-3);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
  font-weight: 700;
  cursor: pointer;
}

.b4-form-details summary span {
  color: var(--b4-color-text-subtle);
  font-weight: 500;
}

.b4-form-details-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--b4-space-3);
  padding: var(--b4-space-3) 0 var(--b4-space-4);
}

.b4-stale-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--b4-space-2);
  padding: var(--b4-space-3);
  border: 1px solid rgba(242, 189, 100, 0.34);
  border-radius: var(--b4-radius-2);
  background: rgba(242, 189, 100, 0.06);
  color: #f3d7a4;
  font-size: var(--b4-text-1);
}

.b4-stale-notice i {
  width: 0.45rem;
  height: 0.45rem;
  flex: 0 0 auto;
  margin-top: 0.25rem;
  border-radius: 50%;
  background: var(--b4-color-warning);
}

.b4-run-button {
  width: 100%;
}

.b4-run-status {
  margin: 0;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  line-height: 1.45;
}

.b4-analysis-progress {
  padding: var(--b4-space-3);
  border: 1px solid var(--b4-color-border);
  border-radius: var(--b4-radius-2);
  background: #0f1213;
}

.b4-progress-track {
  height: 0.25rem;
  overflow: hidden;
  margin-bottom: var(--b4-space-3);
  border-radius: var(--b4-radius-round);
  background: var(--b4-color-surface-strong);
}

.b4-progress-track i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--b4-color-accent);
  transition: width var(--b4-duration-slow) var(--b4-ease);
}

.b4-analysis-progress ol {
  display: grid;
  gap: var(--b4-space-1);
  padding: 0;
  margin: 0;
  list-style: none;
}

.b4-analysis-progress li {
  display: none;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-analysis-progress li.is-active {
  display: block;
  color: var(--b4-color-text);
}

/* Analysis summary and tabs */
.b4-analysis-summary {
  display: grid;
  grid-template-columns: minmax(13rem, 0.55fr) minmax(28rem, 1.45fr);
  gap: var(--b4-space-5);
  align-items: center;
  min-height: 6.5rem;
  padding: var(--b4-space-4) var(--b4-space-5);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-summary-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--b4-color-border);
  border-radius: var(--b4-radius-2);
}

.b4-summary-metrics > div {
  min-width: 0;
  padding: var(--b4-space-3);
}

.b4-summary-metrics > div + div {
  border-left: 1px solid var(--b4-color-border);
}

.b4-summary-metrics span,
.b4-summary-metrics small {
  display: block;
  overflow: hidden;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b4-summary-metrics strong {
  display: block;
  overflow: hidden;
  margin: var(--b4-space-1) 0;
  color: var(--b4-color-text);
  font-size: var(--b4-text-3);
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b4-summary-metrics > div:nth-child(2) strong {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-5);
}

.b4-running-surface {
  position: fixed;
  z-index: 900;
  top: var(--b4-header-height);
  bottom: 0;
  left: var(--b4-running-left, 0);
  display: grid;
  width: var(--b4-running-width, 100vw);
  min-height: 0;
  align-content: center;
  gap: var(--b4-space-6);
  overflow-y: auto;
  padding: clamp(2rem, 5vw, 4rem);
  border-bottom: 1px solid var(--b4-color-border-strong);
  background: #0f1314;
  box-shadow: var(--b4-shadow-tool);
}

.b4-workspace[data-workspace-state="loading"] .b4-analysis-tabs,
.b4-workspace[data-workspace-state="loading"] .b4-analysis-panels {
  display: none;
}

.b4-running-surface > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--b4-space-8);
}

.b4-running-surface h2 {
  max-width: 44rem;
  margin: var(--b4-space-2) 0;
  font-size: var(--b4-text-7);
  line-height: var(--b4-leading-snug);
}

.b4-running-surface header p {
  max-width: 45rem;
  margin: 0;
  color: var(--b4-color-text-muted);
}

.b4-running-surface > header > strong {
  color: var(--b4-color-accent);
  font-family: var(--b4-font-mono);
  font-size: var(--b4-text-7);
  font-variant-numeric: tabular-nums;
}

.b4-running-progress {
  height: 2px;
  overflow: hidden;
  background: var(--b4-color-border-strong);
}

.b4-running-progress i {
  display: block;
  width: 0;
  height: 100%;
  background: var(--b4-color-accent);
  transition: width var(--b4-duration-slow) var(--b4-ease);
}

.b4-running-surface > ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--b4-color-border-strong);
  border-left: 1px solid var(--b4-color-border);
  list-style: none;
}

.b4-running-surface > ol li {
  position: relative;
  min-height: 8rem;
  padding: var(--b4-space-8) var(--b4-space-4) var(--b4-space-4);
  border-right: 1px solid var(--b4-color-border);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-running-surface > ol li > i {
  position: absolute;
  top: var(--b4-space-4);
  left: var(--b4-space-4);
  width: 0.6rem;
  height: 0.6rem;
  border: 1px solid var(--b4-color-text-subtle);
  border-radius: 50%;
}

.b4-running-surface > ol span,
.b4-running-surface > ol strong {
  display: block;
}

.b4-running-surface > ol span {
  margin-bottom: var(--b4-space-3);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-running-surface > ol strong {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
  line-height: 1.45;
}

.b4-running-surface > ol li.is-active {
  background: rgba(118, 224, 178, 0.055);
  box-shadow: inset 0 2px var(--b4-color-accent);
}

.b4-running-surface > ol li.is-active > i {
  border-color: var(--b4-color-accent);
  background: var(--b4-color-accent);
  box-shadow: 0 0 0 0.4rem rgba(118, 224, 178, 0.12);
  animation: b4-workflow-pulse 700ms ease-in-out infinite alternate;
}

.b4-running-surface > ol li.is-complete > i {
  border-color: var(--b4-color-positive);
  background: var(--b4-color-positive);
}

.b4-running-surface > footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--b4-space-5);
}

.b4-running-surface > footer small {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-running-surface > footer > div {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--b4-space-4);
}

.b4-running-surface [data-cancel-analysis] {
  flex: 0 0 auto;
}

.b4-running-surface [data-running-instruction] {
  display: flex;
  flex-wrap: wrap;
  gap: var(--b4-space-2);
  align-items: center;
  margin: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-running-surface [data-running-instruction] span {
  color: var(--b4-color-warning);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-analysis-tabs {
  display: flex;
  min-width: 0;
  overflow-x: auto;
  padding: 0 var(--b4-space-5);
  border-bottom: 1px solid var(--b4-color-border);
  scrollbar-width: thin;
}

.b4-analysis-tabs button {
  display: inline-flex;
  min-width: max-content;
  min-height: 3rem;
  align-items: center;
  gap: var(--b4-space-2);
  padding: 0 var(--b4-space-4);
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-2);
  font-weight: 650;
  cursor: pointer;
}

.b4-analysis-tabs button span {
  display: inline-grid;
  min-width: 1.25rem;
  min-height: 1.25rem;
  place-items: center;
  border-radius: var(--b4-radius-round);
  background: var(--b4-color-surface-strong);
  font-size: var(--b4-text-1);
}

.b4-analysis-tabs button.is-active {
  border-color: var(--b4-color-accent);
  color: var(--b4-color-text);
}

.b4-analysis-panels {
  min-height: 43rem;
}

.b4-analysis-panel {
  padding: var(--b4-space-6);
}

.b4-panel-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.7fr);
  gap: var(--b4-space-10);
  align-items: end;
  margin-bottom: var(--b4-space-8);
}

.b4-panel-intro h2 {
  margin: var(--b4-space-2) 0 0;
  font-size: var(--b4-text-7);
  line-height: var(--b4-leading-snug);
}

.b4-panel-intro p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

/* Recommendation panel */
.b4-recommendation-layout {
  display: grid;
  grid-template-columns: minmax(22rem, 1.2fr) minmax(18rem, 0.7fr);
  gap: var(--b4-space-8);
}

.b4-recommendation-primary {
  padding: var(--b4-space-8);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
}

.b4-recommendation-primary h2 {
  max-width: 50rem;
  margin: var(--b4-space-4) 0;
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-8);
  font-weight: 400;
  line-height: 1.1;
}

.b4-recommendation-primary > p {
  max-width: 46rem;
  margin-bottom: var(--b4-space-6);
  color: var(--b4-color-text-muted);
}

.b4-finding-levels {
  display: flex;
  flex-wrap: wrap;
  gap: var(--b4-space-2);
}

.b4-finding-levels span {
  display: inline-flex;
  min-height: 1.75rem;
  align-items: center;
  padding-inline: var(--b4-space-3);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-round);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
}

.b4-finding-levels .is-supported {
  border-color: rgba(118, 224, 178, 0.4);
  color: var(--b4-color-positive);
}

.b4-finding-levels .is-directional {
  border-color: rgba(138, 180, 248, 0.4);
  color: var(--b4-color-info);
}

.b4-finding-levels .is-unknown {
  border-color: rgba(242, 189, 100, 0.4);
  color: var(--b4-color-warning);
}

.b4-recommendation-conditions {
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-recommendation-conditions > div {
  padding: var(--b4-space-5) 0;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-recommendation-conditions span,
.b4-next-action-strip span {
  display: block;
  margin-bottom: var(--b4-space-2);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-recommendation-conditions p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-recommendation-conditions .is-missing span {
  color: var(--b4-color-warning);
}

.b4-next-action-strip {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 1fr) auto;
  gap: var(--b4-space-5);
  align-items: center;
  margin-top: var(--b4-space-6);
  padding: var(--b4-space-5);
  border: 1px solid rgba(118, 224, 178, 0.28);
  border-radius: var(--b4-radius-2);
  background: rgba(118, 224, 178, 0.055);
}

.b4-next-action-strip strong {
  display: block;
  font-size: var(--b4-text-2);
  line-height: 1.4;
}

.b4-range-plot {
  --b4-range-threshold: 62%;
  margin: var(--b4-space-8) 0 0;
  padding: var(--b4-space-6) 0;
  border-block: 1px solid var(--b4-color-border-strong);
}

.b4-range-plot > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--b4-space-6);
  margin-bottom: var(--b4-space-5);
}

.b4-range-plot h3 {
  margin: var(--b4-space-1) 0 0;
  font-size: var(--b4-text-5);
}

.b4-range-plot > header > span {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-align: right;
  text-transform: uppercase;
}

.b4-range-plot > header > span strong {
  color: var(--b4-color-warning);
  font-family: var(--b4-font-mono);
}

.b4-range-axis {
  display: flex;
  justify-content: space-between;
  margin: 0 5rem var(--b4-space-2) 7.75rem;
  color: var(--b4-color-text-subtle);
  font-family: var(--b4-font-mono);
  font-size: var(--b4-text-1);
}

.b4-range-row {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr) 4rem;
  gap: var(--b4-space-5);
  align-items: center;
  min-height: 2.75rem;
}

.b4-range-row > span {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
  font-weight: 700;
}

.b4-range-row > strong {
  color: var(--b4-color-text);
  font-family: var(--b4-font-mono);
  font-size: var(--b4-text-2);
  text-align: right;
}

.b4-range-lane {
  position: relative;
  height: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-1);
  background: var(--b4-color-canvas-raised);
}

.b4-range-lane::after {
  content: "";
  position: absolute;
  inset: 0 50% 0 auto;
  border-left: 1px solid var(--b4-color-border);
}

.b4-range-lane i {
  position: absolute;
  z-index: 1;
  top: 0.2rem;
  bottom: 0.2rem;
  left: var(--b4-range-start, 25%);
  width: var(--b4-range-span, 12%);
  min-width: 0.4rem;
  border-radius: 2px;
  background: var(--b4-color-info);
  transition: left var(--b4-duration-slow) var(--b4-ease), width var(--b4-duration-slow) var(--b4-ease);
}

.b4-range-row.is-positive .b4-range-lane i {
  background: var(--b4-color-positive);
}

.b4-range-row.is-warning .b4-range-lane i {
  background: var(--b4-color-negative);
}

.b4-range-threshold {
  position: absolute;
  z-index: 2;
  top: -1px;
  bottom: -1px;
  left: var(--b4-range-threshold);
  width: 2px;
  background: var(--b4-color-warning);
}

.b4-range-plot figcaption {
  max-width: 52rem;
  margin-top: var(--b4-space-4);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-workflow-inspector {
  margin-top: var(--b4-space-8);
}

.b4-workflow-inspector > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--b4-space-5);
  margin-bottom: var(--b4-space-4);
}

.b4-workflow-inspector h3 {
  margin: var(--b4-space-1) 0 0;
  font-size: var(--b4-text-5);
}

.b4-workflow-inspector > header > span {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-workflow-directive {
  display: flex;
  flex-wrap: wrap;
  gap: var(--b4-space-2);
  align-items: center;
  max-width: 44rem;
  margin: var(--b4-space-3) 0 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-workflow-directive > span {
  padding: 0.2rem var(--b4-space-2);
  border: 1px solid rgba(242, 189, 100, 0.4);
  border-radius: var(--b4-radius-round);
  color: var(--b4-color-warning);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-workflow-directive strong {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
  font-weight: 600;
}

.b4-workflow-rail {
  display: grid;
  grid-template-columns: repeat(6, minmax(8rem, 1fr));
  padding: 0;
  margin: 0;
  overflow: hidden;
  border-block: 1px solid var(--b4-color-border-strong);
  list-style: none;
}

.b4-workflow-rail li {
  position: relative;
  min-width: 0;
  min-height: 7.5rem;
  padding: var(--b4-space-8) var(--b4-space-3) var(--b4-space-3);
  color: var(--b4-color-text-subtle);
}

.b4-workflow-rail li + li {
  border-left: 1px solid var(--b4-color-border);
}

.b4-workflow-rail li::before {
  content: "";
  position: absolute;
  top: 1.25rem;
  right: 50%;
  left: -50%;
  height: 1px;
  background: var(--b4-color-border-strong);
}

.b4-workflow-rail li:first-child::before {
  display: none;
}

.b4-workflow-rail i {
  position: absolute;
  z-index: 1;
  top: 1rem;
  left: var(--b4-space-3);
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid var(--b4-color-text-subtle);
  border-radius: 50%;
  background: var(--b4-color-canvas-raised);
}

.b4-workflow-rail span,
.b4-workflow-rail strong {
  display: block;
}

.b4-workflow-rail span {
  margin-bottom: var(--b4-space-2);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-workflow-rail strong {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
  line-height: 1.45;
}

.b4-workflow-rail li.is-complete i,
.b4-workflow-rail li.is-active i {
  border-color: var(--b4-color-accent);
  background: var(--b4-color-accent);
}

.b4-workflow-rail li.is-complete::before,
.b4-workflow-rail li.is-active::before {
  background: rgba(118, 224, 178, 0.55);
}

.b4-workflow-rail li.is-active {
  background: rgba(118, 224, 178, 0.045);
}

.b4-workflow-rail li.is-replaying {
  background: rgba(242, 189, 100, 0.06);
}

.b4-workflow-rail li.is-replaying i {
  border-color: var(--b4-color-warning);
  background: var(--b4-color-warning);
  box-shadow: 0 0 0 0.35rem rgba(242, 189, 100, 0.13);
  animation: b4-workflow-pulse 700ms ease-in-out infinite alternate;
}

.b4-workflow-rail li.is-active i {
  box-shadow: 0 0 0 0.35rem rgba(118, 224, 178, 0.13);
  animation: b4-workflow-pulse 900ms ease-in-out infinite alternate;
}

@keyframes b4-workflow-pulse {
  to { transform: scale(1.18); }
}

.b4-reasoning-trace {
  margin-top: var(--b4-space-10);
}

.b4-reasoning-trace > summary {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--b4-space-6);
  border-top: 1px solid var(--b4-color-border-strong);
  border-bottom: 1px solid var(--b4-color-border);
  cursor: pointer;
  list-style: none;
}

.b4-reasoning-trace > summary::-webkit-details-marker {
  display: none;
}

.b4-reasoning-trace > summary strong {
  display: block;
  margin-top: var(--b4-space-1);
  font-size: var(--b4-text-3);
}

.b4-reasoning-trace > summary > span {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 700;
  text-transform: uppercase;
}

.b4-reasoning-trace[open] > summary {
  margin-bottom: var(--b4-space-3);
}

.b4-reasoning-trace[open] > summary > span {
  color: var(--b4-color-accent);
}

.b4-reasoning-trace [data-reasoning-trace] {
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-reasoning-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(8rem, 1fr));
  gap: var(--b4-space-4);
  padding: var(--b4-space-4) 0;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-reasoning-row > div {
  min-width: 0;
}

.b4-reasoning-row span {
  display: block;
  margin-bottom: var(--b4-space-1);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  text-transform: uppercase;
}

.b4-reasoning-row p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
  line-height: 1.45;
}

/* Assumption ledger */
.b4-assumption-ledger {
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  overflow: hidden;
}

.b4-assumption-head,
.b4-assumption-row {
  display: grid;
  grid-template-columns: minmax(15rem, 1.35fr) minmax(9rem, 0.6fr) 6rem 7rem minmax(10rem, 0.65fr);
  gap: var(--b4-space-4);
  align-items: center;
}

.b4-assumption-head {
  min-height: 2.75rem;
  padding: 0 var(--b4-space-4);
  background: #0e1112;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-assumption-row {
  min-height: 5rem;
  padding: var(--b4-space-3) var(--b4-space-4);
  border-top: 1px solid var(--b4-color-border);
  background: var(--b4-color-surface);
}

.b4-assumption-row.is-missing {
  background: rgba(242, 189, 100, 0.045);
}

.b4-assumption-row > div {
  min-width: 0;
}

.b4-assumption-row strong {
  display: block;
  margin-bottom: var(--b4-space-1);
  font-size: var(--b4-text-2);
  line-height: 1.4;
}

.b4-assumption-row small,
.b4-assumption-row span {
  display: block;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  line-height: 1.4;
}

.b4-assumption-origin,
.b4-assumption-impact {
  display: inline-flex;
  width: fit-content;
  min-height: 1.5rem;
  align-items: center;
  padding-inline: var(--b4-space-2);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-round);
  font-size: var(--b4-text-1);
}

.b4-assumption-origin.is-user {
  border-color: rgba(138, 180, 248, 0.38);
  color: var(--b4-color-info);
}

.b4-assumption-origin.is-model,
.b4-assumption-impact.is-high {
  border-color: rgba(242, 189, 100, 0.4);
  color: var(--b4-color-warning);
}

.b4-assumption-row input[type="range"] {
  width: 100%;
  min-height: 2.75rem;
}

.b4-missing-evidence {
  margin-top: var(--b4-space-5);
  padding: var(--b4-space-5);
  border-left: 2px solid var(--b4-color-warning);
  background: rgba(242, 189, 100, 0.05);
}

.b4-missing-evidence span {
  display: block;
  color: var(--b4-color-warning);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-missing-evidence strong {
  display: block;
  margin-block: var(--b4-space-2);
}

.b4-missing-evidence p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

/* Customer group records */
.b4-segment-records {
  display: grid;
  gap: var(--b4-space-3);
}

.b4-segment-record {
  display: grid;
  grid-template-columns: minmax(13rem, 0.75fr) minmax(15rem, 1fr) minmax(11rem, 0.7fr) minmax(14rem, 0.9fr);
  gap: var(--b4-space-5);
  align-items: start;
  padding: var(--b4-space-5);
  border: 1px solid var(--b4-color-border);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
}

.b4-segment-record h3 {
  margin-bottom: var(--b4-space-2);
  font-size: var(--b4-text-4);
}

.b4-segment-record p,
.b4-segment-record dd {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-segment-record dl {
  display: grid;
  gap: var(--b4-space-2);
  margin: 0;
}

.b4-segment-record dl > div {
  display: flex;
  justify-content: space-between;
  gap: var(--b4-space-3);
  padding-bottom: var(--b4-space-2);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-segment-record dt {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-segment-confidence span,
.b4-segment-reaction span {
  display: block;
  margin-bottom: var(--b4-space-2);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 700;
  text-transform: uppercase;
}

.b4-segment-confidence progress {
  width: 100%;
  height: 0.45rem;
  margin-block: var(--b4-space-2);
  accent-color: var(--b4-color-accent);
}

/* Scenario branch records */
.b4-scenario-branches {
  display: grid;
  gap: var(--b4-space-3);
}

.b4-scenario-branch {
  display: grid;
  grid-template-columns: minmax(9rem, 0.5fr) minmax(13rem, 0.8fr) minmax(14rem, 1fr) minmax(12rem, 0.8fr) 6rem;
  gap: var(--b4-space-4);
  align-items: start;
  padding: var(--b4-space-5);
  border: 1px solid var(--b4-color-border);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
}

.b4-scenario-branch h3 {
  margin-bottom: var(--b4-space-2);
  font-size: var(--b4-text-4);
}

.b4-scenario-branch span {
  display: block;
  margin-bottom: var(--b4-space-1);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 700;
  text-transform: uppercase;
}

.b4-scenario-branch p,
.b4-scenario-branch small {
  display: block;
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
  line-height: 1.45;
}

.b4-scenario-branch > b {
  color: var(--b4-color-text);
  font-size: var(--b4-text-4);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.b4-scenario-branch.is-positive {
  border-left: 2px solid var(--b4-color-positive);
}

.b4-scenario-branch.is-neutral {
  border-left: 2px solid var(--b4-color-info);
}

.b4-scenario-branch.is-warning {
  border-left: 2px solid var(--b4-color-warning);
}

.b4-alternative-decision {
  margin-top: var(--b4-space-6);
  padding: var(--b4-space-6);
  border: 1px dashed var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
}

.b4-alternative-decision h3 {
  margin: var(--b4-space-2) 0;
  font-size: var(--b4-text-5);
}

.b4-alternative-decision p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
}

/* Sensitivity */
.b4-sensitivity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.6fr);
  gap: var(--b4-space-8);
  align-items: start;
}

.b4-sensitivity-controls {
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-sensitivity-control {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) minmax(13rem, 0.8fr) 4rem;
  gap: var(--b4-space-5);
  align-items: center;
  min-height: 5.5rem;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-sensitivity-control strong,
.b4-sensitivity-control small {
  display: block;
}

.b4-sensitivity-control strong {
  font-size: var(--b4-text-3);
}

.b4-sensitivity-control small {
  margin-top: var(--b4-space-1);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-sensitivity-control input {
  width: 100%;
  min-height: 2.75rem;
}

.b4-sensitivity-control output {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-2);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.b4-sensitivity-summary {
  position: sticky;
  top: calc(var(--b4-header-height) + var(--b4-space-6));
  padding: var(--b4-space-6);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
}

.b4-sensitivity-summary > span {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-sensitivity-summary > strong,
.b4-sensitivity-summary > b {
  display: block;
}

.b4-sensitivity-summary > strong {
  margin-top: var(--b4-space-3);
  font-size: var(--b4-text-5);
}

.b4-sensitivity-summary > b {
  margin-block: var(--b4-space-2) var(--b4-space-4);
  color: var(--b4-color-accent);
  font-size: var(--b4-text-8);
  font-variant-numeric: tabular-nums;
}

.b4-sensitivity-summary p {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

/* Decision memo */
.b4-workspace-memo {
  overflow: hidden;
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-paper);
  color: var(--b4-color-paper-ink);
  box-shadow: var(--b4-shadow-tool);
}

.b4-workspace-memo > header {
  display: flex;
  min-height: 4rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--b4-space-4);
  padding: var(--b4-space-3) var(--b4-space-6);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-workspace-memo > header span,
.b4-workspace-memo > header strong,
.b4-workspace-memo > header b,
.b4-workspace-memo > header small {
  display: block;
  font-size: var(--b4-text-1);
}

.b4-workspace-memo > header span,
.b4-workspace-memo > header small {
  color: rgba(23, 27, 26, 0.58);
}

.b4-workspace-memo > header b {
  color: #23664e;
  text-transform: uppercase;
}

.b4-workspace-memo-conclusion {
  padding: var(--b4-space-8);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-workspace-memo-conclusion > span {
  color: #23664e;
  font-size: var(--b4-text-1);
  font-weight: 800;
  text-transform: uppercase;
}

.b4-workspace-memo-conclusion h2 {
  max-width: 50rem;
  margin: var(--b4-space-3) 0;
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-8);
  font-weight: 400;
  line-height: 1.12;
}

.b4-workspace-memo-conclusion p {
  max-width: 48rem;
  margin-bottom: 0;
  color: rgba(23, 27, 26, 0.68);
}

.b4-workspace-memo dl {
  margin: 0;
  padding-inline: var(--b4-space-8);
}

.b4-workspace-memo dl > div {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: var(--b4-space-6);
  padding-block: var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-workspace-memo dt,
.b4-workspace-memo footer strong {
  color: rgba(23, 27, 26, 0.55);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-workspace-memo dd {
  margin: 0;
  font-size: var(--b4-text-2);
  font-weight: 600;
}

.b4-workspace-memo footer {
  padding: var(--b4-space-5) var(--b4-space-8) var(--b4-space-6);
  background: var(--b4-color-paper-muted);
}

.b4-workspace-memo footer p {
  margin: var(--b4-space-1) 0 0;
  color: rgba(23, 27, 26, 0.68);
  font-size: var(--b4-text-2);
}

.b4-memo-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--b4-space-3);
  margin-top: var(--b4-space-5);
}

/* Access pages */
.b4-auth-page {
  display: grid;
  min-height: calc(100vh - var(--b4-header-height));
  grid-template-columns: minmax(0, 1.05fr) minmax(26rem, 0.75fr);
  background: var(--b4-color-canvas);
}

.b4-auth-proof,
.b4-auth-panel {
  padding: clamp(3rem, 7vw, 6rem);
}

.b4-auth-proof {
  border-right: 1px solid var(--b4-color-border);
}

.b4-auth-proof h1,
.b4-auth-panel h1,
.b4-auth-panel h2 {
  max-width: 42rem;
  font-family: var(--b4-font-serif);
  font-weight: 400;
  line-height: 1.08;
}

.b4-auth-proof h1 {
  margin: var(--b4-space-8) 0 var(--b4-space-5);
  font-size: var(--b4-text-8);
}

.b4-auth-proof > p,
.b4-auth-panel p,
.b4-auth-boundaries dd {
  color: var(--b4-color-text-muted);
}

.b4-auth-artifact,
.b4-investor-index-preview {
  margin-top: var(--b4-space-8);
  padding: var(--b4-space-5);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
}

.b4-auth-panel {
  display: flex;
  align-items: center;
  background: var(--b4-color-paper);
  color: var(--b4-color-paper-ink);
}

.b4-auth-panel p {
  color: var(--b4-color-paper-muted-text);
}

.b4-auth-panel .b4-v50-btn-secondary {
  border-color: var(--b4-color-border-paper);
  background: transparent;
  color: var(--b4-color-paper-ink);
}

.b4-auth-panel .b4-v50-btn-secondary:hover {
  border-color: rgba(35, 102, 78, 0.6);
  background: rgba(35, 102, 78, 0.08);
}

.b4-auth-panel-inner {
  width: min(100%, 30rem);
  margin-inline: auto;
}

.b4-auth-panel .b4-v50-kicker,
.b4-auth-panel .b4-v50-eyebrow {
  color: #23664e;
}

.b4-auth-panel h2 {
  margin: var(--b4-space-3) 0 var(--b4-space-6);
  font-size: var(--b4-text-7);
}

.b4m-auth-form,
.b4m-register-form {
  display: grid;
  gap: var(--b4-space-4);
}

.b4m-auth-form label,
.b4m-register-form label {
  display: grid;
  gap: var(--b4-space-2);
  color: rgba(23, 27, 26, 0.7);
}

.b4-auth-panel :where(input:not([type="checkbox"]), textarea, select) {
  border-color: var(--b4-color-border-paper);
  background: #fbfaf6;
  color: var(--b4-color-paper-ink);
}

.b4m-check {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--b4-space-2);
}

.b4m-auth-help {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: #23664e;
  font-size: var(--b4-text-2);
  font-weight: 700;
}

.b4-auth-boundaries {
  margin-top: var(--b4-space-8);
}

.b4-auth-boundaries > div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--b4-space-3);
  padding-block: var(--b4-space-3);
  border-top: 1px solid var(--b4-color-border);
}

.b4-auth-boundaries dt {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-auth-boundaries dd {
  margin: 0;
  font-size: var(--b4-text-2);
}

/* Dashboard */
.b4-dashboard-v50,
.b4-admin-v50,
.b4-investor-room-v50,
.b4-yc-v50,
.b4-saved-page,
.b4-gate-page {
  min-height: calc(100vh - var(--b4-header-height));
  padding: var(--b4-space-10) 0 var(--b4-space-16);
  background: var(--b4-color-canvas);
}

.b4-dashboard-head,
.b4-admin-head,
.b4-ir-head,
.b4-yc-head {
  width: min(var(--b4-shell), calc(100% - 4rem));
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--b4-space-8);
  margin: 0 auto var(--b4-space-8);
  padding-bottom: var(--b4-space-8);
  border-bottom: 1px solid var(--b4-color-border-strong);
}

.b4-dashboard-head h1,
.b4-admin-head h1,
.b4-ir-head h1,
.b4-yc-head h1 {
  margin: var(--b4-space-3) 0;
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-8);
  font-weight: 400;
  line-height: var(--b4-leading-tight);
}

.b4-dashboard-head p,
.b4-admin-head p,
.b4-ir-head p,
.b4-yc-head p {
  max-width: 45rem;
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
}

.b4-dashboard-current,
.b4-dashboard-history,
.b4-dashboard-empty,
.b4-dashboard-decision,
.b4-dashboard-tools,
.b4-admin-metrics,
.b4-admin-layout,
.b4-ir-layout,
.b4-yc-layout {
  width: min(var(--b4-shell), calc(100% - 4rem));
  margin-inline: auto;
}

.b4-dashboard-current {
  display: grid;
  grid-template-columns: minmax(16rem, 0.65fr) minmax(0, 1.35fr);
  gap: var(--b4-space-8);
  margin-bottom: var(--b4-space-8);
  padding: var(--b4-space-6);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
}

.b4-dashboard-current h2,
.b4-dashboard-history h2,
.b4-dashboard-empty h2,
.b4-admin-v50 h2,
.b4-investor-room-v50 h2 {
  margin: var(--b4-space-2) 0;
  font-size: var(--b4-text-6);
  line-height: var(--b4-leading-snug);
}

.b4-dashboard-current p,
.b4-dashboard-history p,
.b4-dashboard-empty p {
  color: var(--b4-color-text-muted);
}

.b4-dashboard-current dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border: 1px solid var(--b4-color-border);
}

.b4-dashboard-current dl > div {
  padding: var(--b4-space-4);
}

.b4-dashboard-current dl > div + div {
  border-left: 1px solid var(--b4-color-border);
}

.b4-dashboard-current dt,
.b4-dashboard-list-head,
.b4-admin-table > div:first-child {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-dashboard-current dd {
  margin: var(--b4-space-1) 0 0;
  font-size: var(--b4-text-2);
  font-weight: 650;
}

.b4-dashboard-tools {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) repeat(2, minmax(9rem, 0.35fr));
  gap: var(--b4-space-3);
  margin-bottom: var(--b4-space-4);
}

.b4-dashboard-tools label {
  display: grid;
  gap: var(--b4-space-1);
}

.b4-dashboard-list-head,
.b4-dashboard-row {
  display: grid;
  grid-template-columns: minmax(16rem, 1.4fr) 8rem 8rem 9rem minmax(12rem, 0.8fr);
  gap: var(--b4-space-4);
  align-items: center;
}

.b4-dashboard-list-head {
  min-height: 2.75rem;
  border-bottom: 1px solid var(--b4-color-border-strong);
}

.b4-dashboard-row {
  min-height: 5rem;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-dashboard-row > * {
  min-width: 0;
}

.b4-dashboard-row h3,
.b4-dashboard-row strong {
  overflow: hidden;
  margin: 0;
  font-size: var(--b4-text-3);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b4-dashboard-row > span,
.b4-dashboard-row > time,
.b4-dashboard-row > b {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
  font-weight: 500;
}

.b4-dashboard-row-actions,
.b4-report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--b4-space-2);
  justify-content: flex-end;
}

.b4-dashboard-row-actions :where(a, button),
.b4-report-actions :where(a, button) {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: var(--b4-space-2) var(--b4-space-3);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: transparent;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
  cursor: pointer;
}

.b4-dashboard-empty {
  padding: var(--b4-space-10);
  border: 1px dashed var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  text-align: center;
}

.b4-run-dialog {
  width: min(32rem, calc(100% - 2rem));
  padding: 0;
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-3);
  background: var(--b4-color-surface-raised);
  color: var(--b4-color-text);
  box-shadow: var(--b4-shadow-dialog);
}

.b4-run-dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
}

.b4-run-dialog form {
  display: grid;
  gap: var(--b4-space-4);
  padding: var(--b4-space-6);
}

.b4-run-dialog-close {
  width: 2.75rem;
  height: 2.75rem;
}

/* Saved memo */
.b4-saved-page {
  padding-inline: max(var(--b4-space-4), calc((100vw - var(--b4-shell)) / 2));
}

.b4-saved-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--b4-space-5);
  margin-bottom: var(--b4-space-6);
}

.b4-saved-document {
  display: grid;
  grid-template-columns: minmax(12rem, 0.28fr) minmax(0, 1fr);
  overflow: hidden;
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-paper);
  color: var(--b4-color-paper-ink);
  box-shadow: var(--b4-shadow-tool);
}

.b4-saved-index {
  padding: var(--b4-space-6);
  border-right: 1px solid var(--b4-color-border-paper);
  background: var(--b4-color-paper-muted);
}

.b4-saved-body {
  padding: var(--b4-space-8);
}

.b4-saved-body h1,
.b4-saved-recommendation h2 {
  font-family: var(--b4-font-serif);
  font-weight: 400;
  line-height: 1.12;
}

.b4-saved-body h1 {
  font-size: var(--b4-text-8);
}

.b4-saved-section {
  padding-block: var(--b4-space-6);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-saved-section > span {
  color: #23664e;
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-saved-brief > dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: var(--b4-space-5) 0 0;
  border-top: 1px solid var(--b4-color-border-paper);
  border-left: 1px solid var(--b4-color-border-paper);
}

.b4-saved-brief > dl > div {
  min-width: 0;
  padding: var(--b4-space-4);
  border-right: 1px solid var(--b4-color-border-paper);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-saved-brief dt {
  margin-bottom: var(--b4-space-2);
  color: var(--b4-color-paper-muted-text);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-saved-brief dd {
  margin: 0;
  font-size: var(--b4-text-3);
  line-height: 1.5;
}

/* Admin and investor surfaces retain restrained operational defaults. */
.b4-admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--b4-space-3);
  margin-bottom: var(--b4-space-6);
}

.b4-admin-metrics > div,
.b4-admin-metrics > article {
  padding: var(--b4-space-5);
  border: 1px solid var(--b4-color-border);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
}

.b4-admin-metrics span {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  text-transform: uppercase;
}

.b4-admin-metrics strong {
  display: block;
  margin-top: var(--b4-space-2);
  font-size: var(--b4-text-6);
}

.b4-admin-layout,
.b4-ir-layout,
.b4-yc-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 0.3fr) minmax(0, 1fr);
  gap: var(--b4-space-8);
}

.b4-admin-layout aside,
.b4-ir-layout aside,
.b4-yc-layout aside {
  align-self: start;
  padding: var(--b4-space-5);
  border-left: 2px solid var(--b4-color-accent);
  background: var(--b4-color-surface);
}

.b4-admin-table,
.b4-admin-runs,
.b4-ir-memo,
.b4-yc-layout article {
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-admin-table > div,
.b4-admin-runs > article,
.b4-ir-memo > section,
.b4-yc-layout article > section {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(10rem, 0.8fr) minmax(8rem, 0.5fr);
  gap: var(--b4-space-4);
  align-items: center;
  min-height: 4.5rem;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-ir-memo > section,
.b4-yc-layout article > section {
  grid-template-columns: 3rem minmax(0, 1fr);
  align-items: start;
  padding-block: var(--b4-space-5);
}

.b4-gate-page {
  display: grid;
  place-items: center;
  padding-inline: var(--b4-space-4);
}

.b4-gate-page > section,
.b4-gate-page > div {
  max-width: 38rem;
  text-align: center;
}

@media (max-width: 78rem) {
  .b4-workspace-layout {
    grid-template-columns: minmax(18rem, 20rem) minmax(0, 1fr);
  }

  .b4-analysis-summary {
    grid-template-columns: 1fr;
  }

  .b4-segment-record,
  .b4-scenario-branch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .b4-scenario-branch > b {
    text-align: left;
  }

  .b4-workflow-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .b4-workflow-rail li:nth-child(4) {
    border-left: 0;
  }

  .b4-workflow-rail li:nth-child(n+4) {
    border-top: 1px solid var(--b4-color-border);
  }
}

@media (max-width: 64rem) {
  .b4-demo-head-v50 {
    grid-template-columns: 1fr;
    gap: var(--b4-space-3);
  }

  .b4-workspace-layout {
    grid-template-columns: 1fr;
  }

  .b4-decision-pane {
    border-right: 0;
    border-bottom: 1px solid var(--b4-color-border);
  }

  .b4-preset-switcher {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
  }

  .b4-decision-form {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .b4-form-field-full,
  .b4-form-details,
  .b4-form-error,
  .b4-stale-notice,
  .b4-run-button,
  .b4-analysis-progress,
  .b4-run-status {
    grid-column: 1 / -1;
  }

  .b4-form-field:not(.b4-form-field-full) {
    grid-column: span 2;
  }

  .b4-recommendation-layout,
  .b4-sensitivity-layout {
    grid-template-columns: 1fr;
  }

  .b4-running-surface {
    min-height: 0;
  }

  .b4-running-surface > ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .b4-next-action-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .b4-next-action-strip .b4-button {
    grid-column: 1 / -1;
  }

  .b4-workflow-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .b4-workflow-rail li:nth-child(odd) {
    border-left: 0;
  }

  .b4-workflow-rail li:nth-child(n+3) {
    border-top: 1px solid var(--b4-color-border);
  }

  .b4-sensitivity-summary {
    position: static;
  }

  .b4-auth-page {
    grid-template-columns: 1fr;
  }

  .b4-auth-panel {
    grid-row: 1;
    min-height: calc(100vh - var(--b4-header-height));
  }

  .b4-auth-proof {
    grid-row: 2;
    border-top: 1px solid var(--b4-color-border);
    border-right: 0;
  }

  .b4-dashboard-list-head {
    display: none;
  }

  .b4-dashboard-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--b4-space-3);
    padding-block: var(--b4-space-4);
  }

  .b4-dashboard-row > :first-child,
  .b4-dashboard-row-actions {
    grid-column: 1 / -1;
  }

  .b4-dashboard-row > span::before,
  .b4-dashboard-row > time::before,
  .b4-dashboard-row > b::before {
    content: attr(data-label);
    display: block;
    margin-bottom: var(--b4-space-1);
    color: var(--b4-color-text-subtle);
    font-size: var(--b4-text-1);
    font-weight: 750;
    text-transform: uppercase;
  }

  .b4-saved-document,
  .b4-admin-layout,
  .b4-ir-layout,
  .b4-yc-layout {
    grid-template-columns: 1fr;
  }

  .b4-saved-index {
    border-right: 0;
    border-bottom: 1px solid var(--b4-color-border-paper);
  }
}

@media (max-width: 47.99rem) {
  .b4-demo-page-v50 {
    padding-top: var(--b4-space-6);
  }

  .b4-demo-head-v50 {
    width: min(100% - 1.5rem, var(--b4-shell));
    margin-bottom: var(--b4-space-5);
  }

  .b4-demo-head-v50 h1 {
    font-size: var(--b4-text-7);
  }

  .b4-demo-workspace-wrap {
    width: 100%;
  }

  .b4-workspace {
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .b4-workspace-topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .b4-workspace-run-state {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    min-height: 2rem;
    border-top: 1px solid var(--b4-color-border);
  }

  .b4-workspace-actions .b4-button {
    display: none;
  }

  .b4-preset-switcher {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-inline: var(--b4-space-3);
  }

  .b4-decision-form {
    grid-template-columns: 1fr;
    padding: var(--b4-space-4) var(--b4-space-3);
  }

  .b4-form-field:not(.b4-form-field-full),
  .b4-form-field-full,
  .b4-form-details,
  .b4-form-error,
  .b4-stale-notice,
  .b4-run-button,
  .b4-analysis-progress,
  .b4-run-status {
    grid-column: 1;
  }

  .b4-form-details-grid {
    grid-template-columns: 1fr;
  }

  .b4-run-button {
    position: sticky;
    z-index: 5;
    bottom: var(--b4-space-2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  }

  .b4-analysis-summary {
    padding: var(--b4-space-4) var(--b4-space-3);
  }

  .b4-summary-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .b4-summary-metrics > div:last-child {
    grid-column: 1 / -1;
    border-top: 1px solid var(--b4-color-border);
    border-left: 0;
  }

  .b4-analysis-tabs {
    position: sticky;
    z-index: 10;
    top: var(--b4-header-height);
    padding-inline: var(--b4-space-2);
    background: var(--b4-color-canvas-raised);
  }

  .b4-analysis-panel {
    padding: var(--b4-space-5) var(--b4-space-3);
  }

  .b4-running-surface {
    align-content: start;
    gap: var(--b4-space-4);
    padding: var(--b4-space-6) var(--b4-space-3);
  }

  .b4-running-surface > header,
  .b4-running-surface > footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .b4-running-surface > footer > div {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
  }

  .b4-running-surface [data-cancel-analysis] {
    width: 100%;
  }

  .b4-running-surface h2 {
    font-size: var(--b4-text-6);
  }

  .b4-running-surface > ol li {
    min-height: 5.75rem;
    padding: var(--b4-space-8) var(--b4-space-3) var(--b4-space-3);
  }

  .b4-running-surface header p {
    font-size: var(--b4-text-2);
  }

  .b4-panel-intro,
  .b4-recommendation-layout {
    grid-template-columns: 1fr;
    gap: var(--b4-space-5);
  }

  .b4-panel-intro h2 {
    font-size: var(--b4-text-6);
  }

  .b4-recommendation-primary {
    padding: var(--b4-space-5);
  }

  .b4-recommendation-primary h2,
  .b4-workspace-memo-conclusion h2 {
    font-size: var(--b4-text-7);
  }

  .b4-next-action-strip,
  .b4-reasoning-row,
  .b4-segment-record,
  .b4-scenario-branch,
  .b4-sensitivity-control {
    grid-template-columns: 1fr;
  }

  .b4-reasoning-trace > summary {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: var(--b4-space-3);
  }

  .b4-workflow-inspector > header {
    align-items: flex-start;
    flex-direction: column;
  }

  .b4-range-plot > header {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--b4-space-2);
  }

  .b4-range-plot > header > span {
    text-align: left;
  }

  .b4-range-axis {
    margin-right: 3.5rem;
    margin-left: 5.25rem;
  }

  .b4-range-row {
    grid-template-columns: 4.25rem minmax(0, 1fr) 3rem;
    gap: var(--b4-space-2);
  }

  .b4-range-row > strong {
    font-size: var(--b4-text-1);
  }

  .b4-workflow-rail li {
    min-height: 6.5rem;
  }

  .b4-assumption-ledger {
    overflow: visible;
    border: 0;
  }

  .b4-assumption-head {
    display: none;
  }

  .b4-assumption-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--b4-space-3);
    margin-bottom: var(--b4-space-3);
    border: 1px solid var(--b4-color-border-strong);
    border-radius: var(--b4-radius-2);
  }

  .b4-assumption-row > div:first-child,
  .b4-assumption-row > div:last-child {
    grid-column: 1 / -1;
  }

  .b4-scenario-branch > b,
  .b4-sensitivity-control output {
    text-align: left;
  }

  .b4-workspace-memo > header,
  .b4-workspace-memo-conclusion,
  .b4-workspace-memo dl,
  .b4-workspace-memo footer {
    padding-inline: var(--b4-space-4);
  }

  .b4-workspace-memo dl > div {
    grid-template-columns: 1fr;
    gap: var(--b4-space-2);
  }

  .b4-memo-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .b4-auth-proof,
  .b4-auth-panel {
    padding: var(--b4-space-10) var(--b4-space-5);
  }

  .b4-auth-proof h1 {
    font-size: var(--b4-text-7);
  }

  .b4-dashboard-head,
  .b4-admin-head,
  .b4-ir-head,
  .b4-yc-head,
  .b4-dashboard-current,
  .b4-dashboard-history,
  .b4-dashboard-empty,
  .b4-dashboard-decision,
  .b4-dashboard-tools,
  .b4-admin-metrics,
  .b4-admin-layout,
  .b4-ir-layout,
  .b4-yc-layout {
    width: min(100% - 1.5rem, var(--b4-shell));
  }

  .b4-dashboard-head,
  .b4-admin-head,
  .b4-ir-head,
  .b4-yc-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .b4-dashboard-head h1,
  .b4-admin-head h1,
  .b4-ir-head h1,
  .b4-yc-head h1 {
    font-size: var(--b4-text-7);
  }

  .b4-dashboard-current,
  .b4-dashboard-tools,
  .b4-admin-metrics {
    grid-template-columns: 1fr;
  }

  .b4-dashboard-current dl {
    grid-template-columns: 1fr;
  }

  .b4-dashboard-current dl > div + div {
    border-top: 1px solid var(--b4-color-border);
    border-left: 0;
  }

  .b4-dashboard-row {
    grid-template-columns: 1fr 1fr;
  }

  .b4-dashboard-row-actions {
    justify-content: flex-start;
  }

  .b4-saved-page {
    padding-inline: var(--b4-space-3);
  }

  .b4-saved-body {
    padding: var(--b4-space-5);
  }

  .b4-saved-brief > dl {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .b4-workflow-rail li {
    animation: none;
  }

  .b4-workflow-rail li.is-active i,
  .b4-workflow-rail li.is-replaying i,
  .b4-running-surface > ol li.is-active > i {
    animation: none;
  }
}