/* User Testing / Validation — shared Plan & Cycle workspace chrome.
   Tokens only; no font-family overrides. */

.validation-workspace {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  /* Own gutters with !important — .nucleus-index-page / index spacing zero page padding. */
  padding: var(--nx-page-gutter-y-top, 16px) var(--nx-page-gutter-x, 24px) var(--nx-page-gutter-y-bottom, 24px) !important;
}

.validation-workspace__header {
  margin-bottom: var(--nx-space-5);
}

.validation-workspace__eyebrow {
  font-size: var(--nx-font-micro);
  letter-spacing: 0.06em;
  line-height: 1.4;
  margin-bottom: var(--nx-space-2);
  color: var(--mud-palette-text-secondary);
}

.validation-workspace__title {
  margin: 0;
  line-height: 1.3;
}

.validation-workspace__meta {
  margin-top: var(--nx-space-2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--nx-space-2);
}

.validation-workspace__supporting {
  margin-top: var(--nx-space-2);
  max-width: 48rem;
  line-height: 1.5;
}

.validation-workspace__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--nx-space-2);
  flex-shrink: 0;
}

.validation-workspace__split {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: var(--nx-space-5);
  align-items: start;
  width: 100%;
  min-width: 0;
}

.validation-workspace__spine {
  position: sticky;
  top: 0;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  overflow-x: hidden;
  min-width: 0;
  padding-right: var(--nx-space-1);
}

.validation-workspace__spine-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nx-space-2);
  margin-bottom: var(--nx-space-2);
}

.validation-workspace__nav {
  display: flex;
  flex-direction: column;
  gap: var(--nx-space-1);
  margin-bottom: var(--nx-space-4);
}

.validation-workspace__nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nx-space-2);
  width: 100%;
  margin: 0;
  padding: var(--nx-space-3);
  border: 1px solid transparent;
  border-radius: var(--nx-radius-panel);
  background: transparent;
  color: var(--mud-palette-text-primary);
  font: inherit;
  font-size: var(--nx-font-body);
  font-weight: 500;
  line-height: 1.35;
  text-align: start;
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

.validation-workspace__nav-item:focus-visible {
  outline: 2px solid var(--mud-palette-primary);
  outline-offset: 2px;
}

.validation-workspace__nav-item--selected {
  background: color-mix(in srgb, var(--mud-palette-primary) 10%, var(--mud-palette-surface));
  border-color: color-mix(in srgb, var(--mud-palette-primary) 35%, var(--mud-palette-lines-default));
  box-shadow: inset 3px 0 0 var(--mud-palette-primary);
}

.validation-workspace__nav-item-label {
  flex: 1 1 auto;
  min-width: 0;
  white-space: normal;
  display: inline-flex;
  align-items: center;
  gap: var(--nx-space-1);
}

.validation-workspace__nav-item-end {
  display: inline-flex;
  align-items: center;
  gap: var(--nx-space-1);
  flex-shrink: 0;
}

.validation-workspace__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  padding: 0 var(--nx-space-2);
  border-radius: var(--nx-radius-control);
  background: var(--mud-palette-background-grey);
  color: var(--mud-palette-text-secondary);
  font-size: var(--nx-font-meta);
  font-weight: 500;
  line-height: 1.5;
}

.validation-workspace__scenarios {
  padding: var(--nx-space-3);
}

.validation-workspace__scenario-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nx-space-2);
  width: 100%;
  text-align: start;
}

.validation-workspace__outcome-chip {
  flex-shrink: 0;
  max-width: 7.5rem;
}

.validation-workspace__pane {
  min-width: 0;
}

.validation-workspace__pane-paper {
  position: relative;
  padding: var(--nx-space-6) !important;
}

.validation-workspace__section {
  margin-bottom: var(--nx-space-4);
}

.validation-workspace__section:last-child {
  margin-bottom: 0;
}

.validation-workspace__section-label {
  margin-bottom: var(--nx-space-2);
}

.validation-workspace__steps {
  margin: 0;
  padding-left: var(--nx-space-5);
}

.validation-workspace__steps li {
  margin-bottom: var(--nx-space-2);
}

.validation-workspace__steps li:last-child {
  margin-bottom: 0;
}

.validation-workspace__form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--nx-space-2);
  margin-bottom: var(--nx-space-3);
}

.validation-workspace__helper {
  margin-top: var(--nx-space-3);
}

.validation-workspace__results {
  width: 100%;
  padding: var(--nx-space-3) var(--nx-space-4) !important;
}

.validation-workspace__results-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--nx-space-2);
  width: 100%;
}

.validation-workspace__results-label {
  margin-right: var(--nx-space-1);
  color: var(--mud-palette-text-secondary);
}

.validation-workspace__footer {
  width: 100%;
  min-width: 0;
  margin-top: var(--nx-space-6);
}

.validation-workspace__capture-actions {
  position: sticky;
  bottom: 0;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--nx-space-2);
  padding: var(--nx-space-3) 0;
  margin-bottom: var(--nx-space-3);
  background: var(--mud-palette-surface);
  border-top: 1px solid var(--mud-palette-lines-default);
}

.validation-workspace__attempt {
  padding: var(--nx-space-3) !important;
  margin-bottom: var(--nx-space-2);
}

.validation-workspace__issue {
  padding: var(--nx-space-3) !important;
}

.validation-hub-section {
  margin-bottom: var(--nx-space-5);
}

.validation-hub-section:last-child {
  margin-bottom: 0;
}

.validation-hub-section__title {
  margin-bottom: var(--nx-space-3);
}

.validation-hub-section__body {
  padding: var(--nx-space-4) !important;
}

.validation-hub-section__table {
  width: 100%;
}

.validation-hub-section__table .mud-table-container {
  overflow-x: auto;
}

.validation-hub-progress {
  color: var(--mud-palette-text-secondary);
  font-size: var(--nx-font-secondary);
}

@media (max-width: 959px) {
  .validation-workspace__split {
    grid-template-columns: 1fr;
  }

  .validation-workspace__spine {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .validation-workspace__capture-actions {
    position: static;
    margin-inline: 0;
    padding: 0;
    border-top: none;
    background: transparent;
  }
}