{
  "$description": "Z-index layer tokens extracted from Patina component audit (2026-03-25). Values match Tailwind v4 defaults — no custom z-index extensions.",
  "zIndex": {
    "base": {
      "$value": 0,
      "$type": "number",
      "$description": "Default stacking context. Used by waveform background (inline zIndex: 0)."
    },
    "scrollbar": {
      "$value": 1,
      "$type": "number",
      "$description": "Scroll-area scrollbar thumb (z-1). Just above content to remain grabbable."
    },
    "raised": {
      "$value": 10,
      "$type": "number",
      "$description": "Locally raised elements within their parent context. Used by: sidebar panel (z-10), resizable handle (z-10), data-table draggable head while dragging (z-10), button-group focused child (z-10), toggle-group focused item (z-10), calendar focused day (z-10)."
    },
    "sticky": {
      "$value": 20,
      "$type": "number",
      "$description": "Sticky/resize affordances. Used by: sidebar resize handle (z-20), sidebar-resize-handle custom component (z-20)."
    },
    "overlay": {
      "$value": 50,
      "$type": "number",
      "$description": "Top-level overlays, modals, popovers, and fixed UI. Used by: dialog overlay + content (z-50), alert-dialog overlay + content (z-50), draggable-dialog overlay + content (z-50), sheet overlay + content (z-50), dropdown-menu content + sub-content (z-50), select content (z-50), popover (z-50), hover-card (z-50), tooltip + arrow (z-50), app-header (z-50), data-table action-bar (z-50)."
    }
  }
}