/* RL Lab · shell, library rail, objective header and stepper */

#view-rl-lab .rl-lab-shell {
  display: block;
}

#view-rl-lab .rl-objective-table td {
  vertical-align: top;
}

#view-rl-lab .rl-objective-table tr.is-active td {
  background: var(--primary-soft);
}

#view-rl-lab .rl-objective-name-button {
  all: unset;
  display: block;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: inherit;
}

#view-rl-lab .rl-objective-name-button:hover {
  color: var(--primary);
  text-decoration: underline;
}

#view-rl-lab .rl-objective-summary {
  color: var(--muted);
  font-size: 11px;
}

#view-rl-lab .rl-objective-step .rl-objective-identity {
  margin-top: 4px;
}

#view-rl-lab .rl-objective-presets {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

#view-rl-lab .rl-objective-presets .rl-preset-grid {
  margin-top: 12px;
}

#view-rl-lab .rl-program-library {
  margin-bottom: 12px;
}

#view-rl-lab .rl-program-library .rl-library-toolbar {
  padding: 10px 0 6px;
}

#view-rl-lab .rl-program-library .rl-program-list {
  max-height: 320px;
}

#view-rl-lab .rl-reference-plain {
  margin-top: 10px;
}

#view-rl-lab .rl-reference-plain summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

#view-rl-lab .rl-library {
  position: sticky;
  top: calc(var(--topbar-height) + 16px);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - var(--topbar-height) - 32px);
  padding: 0;
}

#view-rl-lab .rl-library-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

#view-rl-lab .rl-library-tab {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 620;
}

#view-rl-lab .rl-library-tab .result-count {
  margin-left: 0;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--surface-hover);
  color: var(--muted);
}

#view-rl-lab .rl-library-tab.is-active {
  border-bottom-color: var(--primary);
  color: var(--text);
}

#view-rl-lab .rl-library-tab.is-active .result-count {
  background: var(--primary-soft);
  color: var(--primary);
}

#view-rl-lab .rl-library-panel {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
}

#view-rl-lab .rl-library-toolbar,
#view-rl-lab .rl-library-create {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

#view-rl-lab .rl-library-toolbar .search-field {
  flex: 1;
  width: auto;
}

#view-rl-lab .rl-library-toolbar .compact-select {
  width: 96px;
}

#view-rl-lab .rl-library-create .compact-select {
  flex: 1;
  min-width: 0;
}

#view-rl-lab .rl-library-hint {
  margin: 0;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

#view-rl-lab .rl-objective-list,
#view-rl-lab .rl-program-list {
  display: grid;
  min-height: 120px;
  overflow: auto;
  align-content: start;
}

#view-rl-lab .rl-objective-row,
#view-rl-lab .rl-program-row {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  text-align: left;
}

#view-rl-lab .rl-objective-row:hover,
#view-rl-lab .rl-program-row:hover,
#view-rl-lab .rl-objective-row.is-active {
  background: var(--surface-hover);
}

#view-rl-lab .rl-objective-row.is-active {
  box-shadow: inset 3px 0 var(--primary);
}

#view-rl-lab .rl-objective-row-copy,
#view-rl-lab .rl-program-row-copy {
  display: block;
  min-width: 0;
  flex: 1;
}

#view-rl-lab .rl-objective-row strong,
#view-rl-lab .rl-program-row strong {
  display: block;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#view-rl-lab .rl-objective-row small,
#view-rl-lab .rl-program-row small {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#view-rl-lab .rl-objective-row code,
#view-rl-lab .rl-program-row code {
  color: var(--primary);
}

#view-rl-lab .rl-program-row {
  cursor: default;
}

#view-rl-lab .rl-program-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 4px;
}

#view-rl-lab .rl-workspace {
  min-width: 0;
}

#view-rl-lab .rl-empty-state {
  padding: 26px 26px 22px;
}

#view-rl-lab .rl-empty-intro {
  max-width: 760px;
  margin-bottom: 18px;
}

#view-rl-lab .rl-empty-intro h2 {
  margin: 4px 0 8px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

#view-rl-lab .rl-preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

#view-rl-lab .rl-preset-tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

#view-rl-lab .rl-preset-tile h3 {
  font-size: 14px;
}

#view-rl-lab .rl-preset-tile p {
  flex: 1;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

#view-rl-lab .rl-preset-tile dl {
  display: grid;
  gap: 4px;
  margin: 6px 0 10px;
}

#view-rl-lab .rl-preset-tile dl div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 10px;
}

#view-rl-lab .rl-preset-tile dt {
  color: var(--muted-light);
}

#view-rl-lab .rl-preset-tile dd {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: var(--text-soft);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#view-rl-lab .rl-empty-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

#view-rl-lab .rl-preset-preview:not(:empty) {
  margin-top: 16px;
}

#view-rl-lab .rl-objective-header {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
  padding: 16px 18px;
}

#view-rl-lab .rl-objective-identity {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(180px, 1fr) 150px;
  gap: 12px;
}

#view-rl-lab .rl-objective-name input {
  font-size: 15px;
  font-weight: 650;
}

#view-rl-lab .rl-objective-description textarea {
  min-height: 44px;
}

#view-rl-lab .rl-objective-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

#view-rl-lab .rl-objective-badges {
  display: flex;
  align-items: center;
  gap: 8px;
}

#view-rl-lab .rl-dirty-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--amber-soft);
  color: var(--amber);
  font-size: 10px;
  font-weight: 650;
}

#view-rl-lab .rl-dirty-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

#view-rl-lab .rl-objective-updated {
  color: var(--muted-light);
  font-size: 10px;
}

#view-rl-lab .rl-stepper {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

#view-rl-lab .rl-step {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  width: 100%;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-soft);
  text-align: left;
}

#view-rl-lab .rl-step-index {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-hover);
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
}

#view-rl-lab .rl-step-copy strong,
#view-rl-lab .rl-step-copy small {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#view-rl-lab .rl-step-copy strong {
  font-size: 12px;
}

#view-rl-lab .rl-step-copy small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

#view-rl-lab .rl-step.is-active {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--text);
}

#view-rl-lab .rl-step.is-active .rl-step-index,
#view-rl-lab .rl-step.is-complete .rl-step-index {
  background: var(--primary);
  color: #fff;
}

#view-rl-lab .rl-step.is-complete .rl-step-index {
  background: var(--green);
}

#view-rl-lab .rl-step.is-warning .rl-step-index {
  background: var(--amber);
  color: #fff;
}

#view-rl-lab .rl-stage-panel {
  padding: 20px;
}

#view-rl-lab .rl-stage-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

#view-rl-lab .rl-stage-heading h2 {
  font-size: 17px;
  letter-spacing: -0.01em;
}

#view-rl-lab .rl-stage-kicker {
  display: block;
  margin-bottom: 4px;
  color: var(--primary);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#view-rl-lab .rl-stage-copy {
  max-width: 760px;
  margin-top: 5px;
  color: var(--muted);
}

#view-rl-lab .rl-result-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

#view-rl-lab .rl-result-heading h3 {
  font-size: 13px;
}

#view-rl-lab .rl-simulation-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

#view-rl-lab .rl-history {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

#view-rl-lab .rl-dataset-scope {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

#view-rl-lab .rl-dataset-scope:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

#view-rl-lab .rl-dataset-scope > .rl-result-heading {
  margin-bottom: 10px;
}

#view-rl-lab .rl-bootstrap-actions {
  margin: 4px 0 12px;
}