/* SampleHierarchyTree Component Styles */

.mint-sample-tree {
  font-size: 0.8125rem;
}

/* Dark --border-light equals --bg-card; row and band hairlines need --border-color there. */
:where(html.dark) .mint-sample-tree {
  --border-light: var(--border-color);
}

.mint-sample-tree--sm {
  font-size: 0.75rem;
}

.mint-sample-tree--lg {
  font-size: 1rem;
}

/* Node */
.mint-sample-tree__node {
  user-select: none;
}

/* Node header (clickable row): 28px / 13px (4c) */
.mint-sample-tree__node-header {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 1.75rem;
  padding: 0 0.5rem 0 0.25rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.mint-sample-tree__node-header:hover {
  background-color: var(--bg-hover);
}

/* Selection is the tree's only color: primary-soft row, primary ink text + icon (4c). */
.mint-sample-tree__node-header--selected,
.mint-sample-tree__node-header--selected:hover {
  background-color: var(--color-primary-soft);
}

.mint-sample-tree__node-header--selected .mint-sample-tree__label,
.mint-sample-tree__node-header--selected .mint-sample-tree__icon {
  color: var(--_ink-primary);
}

.mint-sample-tree__node-header--selected .mint-sample-tree__label {
  font-weight: 500;
}

.mint-sample-tree__node-header:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-offset);
}

.mint-sample-tree--sm .mint-sample-tree__node-header {
  padding: 0.25rem 0.375rem;
  gap: 0.25rem;
}

.mint-sample-tree--lg .mint-sample-tree__node-header {
  padding: 0.5rem 0.625rem;
  gap: 0.5rem;
}

/* Toggle button */
.mint-sample-tree__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.15s ease, transform 0.15s ease;
  flex-shrink: 0;
}

.mint-sample-tree__toggle:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.mint-sample-tree__toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-offset);
}

.mint-sample-tree__toggle svg {
  width: 0.75rem;
  height: 0.75rem;
  transition: transform 0.15s ease;
}

.mint-sample-tree__node--expanded > .mint-sample-tree__node-header .mint-sample-tree__toggle svg {
  transform: rotate(90deg);
}

.mint-sample-tree--sm .mint-sample-tree__toggle {
  width: 1rem;
  height: 1rem;
}

.mint-sample-tree--sm .mint-sample-tree__toggle svg {
  width: 0.75rem;
  height: 0.75rem;
}

.mint-sample-tree--lg .mint-sample-tree__toggle {
  width: 1.5rem;
  height: 1.5rem;
}

.mint-sample-tree--lg .mint-sample-tree__toggle svg {
  width: 1rem;
  height: 1rem;
}

/* Placeholder for leaf nodes (no toggle) */
.mint-sample-tree__toggle-placeholder {
  width: 1.25rem;
  flex-shrink: 0;
}

.mint-sample-tree--sm .mint-sample-tree__toggle-placeholder {
  width: 1rem;
}

.mint-sample-tree--lg .mint-sample-tree__toggle-placeholder {
  width: 1.5rem;
}

/* Icon: one neutral color, the node type reads from the glyph alone (4c). */
.mint-sample-tree__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--text-secondary);
}

.mint-sample-tree__icon svg {
  width: 0.875rem;
  height: 0.875rem;
}

.mint-sample-tree--sm .mint-sample-tree__icon {
  width: 1rem;
  height: 1rem;
}

.mint-sample-tree--sm .mint-sample-tree__icon svg {
  width: 0.75rem;
  height: 0.75rem;
}

.mint-sample-tree--lg .mint-sample-tree__icon {
  width: 1.5rem;
  height: 1.5rem;
}

.mint-sample-tree--lg .mint-sample-tree__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Label */
.mint-sample-tree__label {
  flex: 1;
  min-width: 0;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Sample nodes carry IDs. */
.mint-sample-tree__label--sample {
  font-family: var(--font-mono);
}

/* Badge */
.mint-sample-tree__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  padding: 0.125rem 0.375rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 9999px;
  flex-shrink: 0;
}

.mint-sample-tree--sm .mint-sample-tree__badge {
  min-width: 1rem;
  padding: 0.0625rem 0.25rem;
  font-size: 0.6875rem;
}

.mint-sample-tree--lg .mint-sample-tree__badge {
  min-width: 1.5rem;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
}

/* Counts are plain mono text; only the semantic variants stay pills (4c). */
.mint-sample-tree__badge--default,
.mint-sample-tree--sm .mint-sample-tree__badge--default,
.mint-sample-tree--lg .mint-sample-tree__badge--default {
  min-width: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  background: none;
  color: var(--text-secondary);
}

.mint-sample-tree__badge--success {
  background-color: var(--mint-success-bg);
  color: var(--mint-success);
}

.mint-sample-tree__badge--warning {
  background-color: var(--mint-warning-bg);
  color: var(--mint-warning-text);
}

.mint-sample-tree__badge--error {
  background-color: var(--mint-error-bg);
  color: var(--_ink-error);
}

/* Children container. A one-row grid so expand/collapse animates
   grid-template-rows 0fr ↔ 1fr with no max-height cap (4c). */
.mint-sample-tree__children {
  display: grid;
  grid-template-rows: 1fr;
  margin-left: 1.25rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--border-light);
}

.mint-sample-tree__children-inner {
  min-height: 0;
  overflow: hidden;
}

.mint-sample-tree--sm .mint-sample-tree__children {
  margin-left: 1rem;
  padding-left: 0.5rem;
}

.mint-sample-tree--lg .mint-sample-tree__children {
  margin-left: 1.5rem;
  padding-left: 1rem;
}

/* Animation */
.mint-sample-tree__children--entering {
  animation: mint-tree-expand 0.15s ease-out;
}

.mint-sample-tree__children--leaving {
  animation: mint-tree-collapse 0.15s ease-out forwards;
}

@keyframes mint-tree-expand {
  from {
    opacity: 0;
    grid-template-rows: 0fr;
  }
  to {
    opacity: 1;
    grid-template-rows: 1fr;
  }
}

@keyframes mint-tree-collapse {
  from {
    opacity: 1;
    grid-template-rows: 1fr;
  }
  to {
    opacity: 0;
    grid-template-rows: 0fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mint-sample-tree__children--entering,
  .mint-sample-tree__children--leaving {
    animation: none;
  }
}

/* Empty / loading / error placeholder host (content comes from EmptyState) */
.mint-sample-tree__state {
  display: flex;
  align-items: center;
  justify-content: center;
}