/**
 * Centralized Z-Index Management
 * Higher numbers overlay lower numbers.
 */
:root {
    --z-base: 1;
    --z-editor-highlight: 1;
    --z-editor-selection: 2;
    --z-editor-text: 3;
    
    --z-gutter: 10;
    --z-console-controls: 10;
    
    --z-header: 100;
    --z-footer: 1000;
    
    --z-tooltip: 1100;
    
    /* Dev Insights Feature */
    --z-dev-sidebar: 9999;
    --z-dev-panel: 10000;
    --z-dev-toggle: 10001;
}