feat(theme): Integrate NERV theme and visual effects into main GUI

src/theme_2.py

@@ -10,6 +10,7 @@ Scale uses imgui.get_style().font_scale_main.
 
 from imgui_bundle import imgui, hello_imgui
 from typing import Any, Optional
+import src.theme_nerv
 
 # ------------------------------------------------------------------ palettes
 
@@ -22,6 +23,7 @@ def _c(r: int, g: int, b: int, a: int = 255) -> tuple[float, float, float, float
 
 _PALETTES: dict[str, dict[int, tuple]] = {
  "ImGui Dark": {},  # empty = use imgui dark defaults
+ "NERV": {},
  "10x Dark": {
   imgui.Col_.window_bg:               _c( 34,  32,  28),
   imgui.Col_.child_bg:                _c( 30,  28,  24),
@@ -239,6 +241,9 @@ _child_transparency: float = 1.0
 def get_current_palette() -> str:
  return _current_palette
 
+def is_nerv_active() -> bool:
+ return _current_palette == "NERV"
+
 def get_current_font_path() -> str:
  return _current_font_path
 
@@ -270,6 +275,9 @@ def apply(palette_name: str) -> None:
     """
  global _current_palette
  _current_palette = palette_name
+ if palette_name == 'NERV':
+  src.theme_nerv.apply_nerv()
+  return
  
  # 1. Apply base colors
  if palette_name in _PALETTES: