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/config_bottom.jsonc

@@ -7,24 +7,19 @@
     "height": 30,
     "margin-left": 5,
     "margin-right": 5,
+    "margin-top": 5,
     "margin-bottom": 5,
     "position": "bottom",
     "layer": "top",
     "spacing": 0,
     "reload_style_on_change": true,
     "modules-left": [
-        "tray",
-        "custom/pomodoro"
     ],
     "modules-center": [
     "wlr/taskbar",
     "custom/launcher"
     ],
     "modules-right": [
-        "battery",
-        "cpu",
-        "memory",
-        "temperature"
     ],
     "custom/separator": {
         "format": " ",