ConstReadonlyARENA: 10Combat arena and training grounds - 경기장
ReadonlyBACKGROUND: 0Background scenes and effects - 배경
ReadonlyDEBUG: 9000Debug and performance overlays - 디버그
ReadonlyEFFECTS: 30Visual effects and particles - 효과
ReadonlyHUD: 50Main HUD elements (health bars, timers, stats) - 주 HUD
ReadonlyHUD_BACKGROUND: 40HUD background elements - HUD 배경
ReadonlyHUD_OVERLAY: 60HUD overlay elements (within HUD components) - HUD 오버레이
ReadonlyLOADING: 2000Loading screens - 로딩
ReadonlyMOBILE_CONTROLS: 100Mobile touch controls - 모바일제어
ReadonlyMODAL: 200Modal dialogs and overlays - 모달
ReadonlyPAUSE_MENU: 1000Pause menu - 일시정지 메뉴
ReadonlyPLAYERS: 20Player characters and enemies - 플레이어
ReadonlyTECHNIQUE_BAR: 55TechniqueBar for combat techniques - 기술바
ReadonlyTOOLTIP: 300Tooltips and hints - 툴팁
Z-index hierarchy for layering UI elements
Ensures consistent stacking order across all screens
Usage Guidelines: