refactor(waybar): reorganize top bar with groups and add new modules

- config_top.jsonc:
  - Group modules into traygroup, pomodorogroup, bench, general
  - Add weather, language, CPU, memory, temperature modules with icons and states
  - Add pomodoro preset buttons (10m,20m,30m,1h,1h30m)
  - Split battery into #watt (power draw) and #charge (charge level)
  - Add invisible separators for spacing
- config_bottom.jsonc:
  - Remove unused modules from left/right, add margin-top
- style_top.css:
  - Style new groups and modules, define state-based colors for CPU/memory/temperature
  - Add hover effects and critical animation for paused pomodoro
- style_bottom.css:
  - Style minimized taskbar buttons
  - Fix side panel group selector (use #group)

waybar/style/style_bottom.css

@@ -122,6 +122,10 @@ window#waybar.chromium {
     min-height: 20px;
 }
 
+#taskbar button.minimized {
+    color: alpha(@accent, 0.5);
+}
+
 #taskbar.empty {
     padding: 0;
 }
@@ -158,7 +162,7 @@ window#waybar.chromium {
 /* --------------------------------------------------------------------------
    SIDE PANEL GROUPS
    -------------------------------------------------------------------------- */
-.modules-left, .modules-right {
+#group {
   /* Layout & Box Model */
   border: 1px solid @border-color;
   border-radius: 15px;