/* Expandable panels: step panels, context help, task rows, empty states. */
/* Step panels: expandable stages of a file-based flow. */
.step-list {
  display: grid;
  gap: var(--space-4);
}
.step-panel {
  border: var(--size-hairline) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  overflow: hidden;
}
.step-panel-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  list-style: none;
}
.step-panel-summary::-webkit-details-marker {
  display: none;
}
.step-panel-summary::marker {
  content: "";
}
.step-panel-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--space-8);
  height: var(--space-8);
  border-radius: var(--radius-full);
  background: var(--color-bg-inset);
  color: var(--color-text-secondary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.step-panel-copy {
  display: grid;
  gap: 0.125rem;
}
.step-panel-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 650;
  color: var(--color-text-primary);
}
.step-panel-note {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.step-panel-body {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5) var(--space-5);
  border-top: var(--size-hairline) solid var(--color-border);
}
.step-panel-body > .status-panel {
  margin-bottom: 0;
}
.step-panel[open] .step-panel-summary {
  background: var(--color-bg-surface);
}
.content-section:has(> .step-list) {
  background: transparent;
  border: none;
  padding: 0;
}
.step-panel:not([open]) .step-panel-summary:hover {
  background: var(--color-bg-inset);
}
.step-panel.is-complete .step-panel-index {
  background: var(--color-success-50);
  color: var(--color-success-600);
  border: var(--size-hairline) solid var(--color-success-100);
}
.step-panel.is-complete:not([open]) .step-panel-title {
  color: var(--color-text-secondary);
}
.step-panel.is-active {
  border-color: var(--color-solar-500);
  box-shadow: var(--shadow-sm);
}
.step-panel.is-active .step-panel-index {
  background: var(--color-bg-action);
  color: var(--color-text-on-action);
}
.step-message {
  display: grid;
  gap: var(--space-1);
}
.step-message-text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text-primary);
}
.step-message-text strong {
  font-weight: 700;
}
/* Context help: a quiet, ruled disclosure for secondary facts. */
.context-help {
  margin: var(--space-4) 0 0;
  border-top: var(--size-hairline) solid var(--color-border);
}
.context-help summary {
  min-height: var(--size-control);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}
.context-help summary::-webkit-details-marker {
  display: none;
}
.context-help summary::before {
  content: "";
  flex: 0 0 auto;
  width: var(--size-chevron);
  height: var(--size-chevron);
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.12s;
}
.context-help[open] > summary {
  color: var(--color-text-primary);
}
.context-help[open] > summary::before {
  transform: rotate(45deg);
}
.help-token {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--space-4);
  height: var(--space-4);
  border: var(--size-hairline) solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  line-height: 1;
}
.context-help-body {
  padding: 0 0 var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}
.task-list {
  display: grid;
  gap: 0.625rem;
}
.task-row {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: var(--size-hairline) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
}
.task-row h3,
.task-row p {
  margin: 0;
}
.task-row h3 {
  font-size: var(--text-base);
}
.task-row p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}
.empty-state {
  display: grid;
  gap: var(--space-2);
  justify-items: start;
  padding: var(--space-6);
  border: var(--size-hairline) dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: transparent;
}
.empty-state-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 650;
}
.empty-state p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: var(--measure-lede);
}
.empty-state .button {
  margin-top: var(--space-2);
}
/* Standalone disclosure sections already have the shared section divider. */
.content-section > .context-help:only-child {
  margin-top: 0;
  border-top: 0;
}