feat(waybar): add warning/critical color thresholds for temperature and disk

Temperature turns yellow at 70°C, red at 80°C using built-in waybar
states. Disk replaced with custom script that turns yellow at 80% full,
red at 90%, working across ZFS/btrfs/ext4. Colors themed per dupre/hudson.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

5 files changed, 67 insertions, 10 deletions

diff --git a/dotfiles/hyprland/.config/themes/dupre/waybar.css b/dotfiles/hyprland/.config/themes/dupre/waybar.css
index c5333f5..18ba0f1 100644
--- a/dotfiles/hyprland/.config/themes/dupre/waybar.css
+++ b/dotfiles/hyprland/.config/themes/dupre/waybar.css
@@ -49,7 +49,7 @@ window#waybar {
 #cpu,
 #temperature,
 #memory,
-#disk,
+#custom-disk,
 #custom-netspeed,
 #battery,
 #wireplumber,
@@ -73,7 +73,7 @@ window#waybar {
 #cpu:hover,
 #temperature:hover,
 #memory:hover,
-#disk:hover,
+#custom-disk:hover,
 #custom-netspeed:hover,
 #wireplumber:hover,
 #sysmonitor:hover,
@@ -94,6 +94,22 @@ window#waybar {
     color: #d47c59;
 }
 
+#temperature.warning {
+    color: #d7af5f;
+}
+
+#temperature.critical {
+    color: #d47c59;
+}
+
+#custom-disk.warning {
+    color: #d7af5f;
+}
+
+#custom-disk.critical {
+    color: #d47c59;
+}
+
 #battery.warning {
     color: #d7af5f;
 }
diff --git a/dotfiles/hyprland/.config/themes/hudson/waybar.css b/dotfiles/hyprland/.config/themes/hudson/waybar.css
index 4ee0615..299f1c2 100644
--- a/dotfiles/hyprland/.config/themes/hudson/waybar.css
+++ b/dotfiles/hyprland/.config/themes/hudson/waybar.css
@@ -49,7 +49,7 @@ window#waybar {
 #cpu,
 #temperature,
 #memory,
-#disk,
+#custom-disk,
 #custom-netspeed,
 #battery,
 #wireplumber,
@@ -73,7 +73,7 @@ window#waybar {
 #cpu:hover,
 #temperature:hover,
 #memory:hover,
-#disk:hover,
+#custom-disk:hover,
 #custom-netspeed:hover,
 #wireplumber:hover,
 #sysmonitor:hover,
@@ -94,6 +94,22 @@ window#waybar {
     color: #ff5858;
 }
 
+#temperature.warning {
+    color: #daa520;
+}
+
+#temperature.critical {
+    color: #ff5858;
+}
+
+#custom-disk.warning {
+    color: #daa520;
+}
+
+#custom-disk.critical {
+    color: #ff5858;
+}
+
 #battery.warning {
     color: #daa520;
 }
diff --git a/dotfiles/hyprland/.config/waybar/config b/dotfiles/hyprland/.config/waybar/config
index 5b9879e..fdff160 100644
--- a/dotfiles/hyprland/.config/waybar/config
+++ b/dotfiles/hyprland/.config/waybar/config
@@ -28,7 +28,7 @@
             "cpu",
             "temperature",
             "memory",
-            "disk",
+            "custom/disk",
             "battery"
         ]
     },
@@ -62,6 +62,7 @@
         "interval": 10,
         "hwmon-path-abs": "/sys/devices/pci0000:00/0000:00:18.3/hwmon",
         "input-filename": "temp1_input",
+        "warning-threshold": 70,
         "critical-threshold": 80,
         "format": "<span size='large'>󰔏</span> {temperatureC}°C",
         "format-critical": "<span size='large'>󰸁</span> {temperatureC}°C",
@@ -74,10 +75,11 @@
         "on-click": "toggle-scratchpad monitor"
     },
 
-    "disk": {
+    "custom/disk": {
+        "exec": "waybar-disk",
+        "return-type": "json",
         "interval": 30,
-        "format": "<span size='large'>󰆼</span> {percentage_used}%",
-        "path": "/",
+        "format": "<span size='large'>󰆼</span> {}",
         "on-click": "toggle-scratchpad monitor"
     },
 
diff --git a/dotfiles/hyprland/.config/waybar/style.css b/dotfiles/hyprland/.config/waybar/style.css
index 4ee0615..299f1c2 100644
--- a/dotfiles/hyprland/.config/waybar/style.css
+++ b/dotfiles/hyprland/.config/waybar/style.css
@@ -49,7 +49,7 @@ window#waybar {
 #cpu,
 #temperature,
 #memory,
-#disk,
+#custom-disk,
 #custom-netspeed,
 #battery,
 #wireplumber,
@@ -73,7 +73,7 @@ window#waybar {
 #cpu:hover,
 #temperature:hover,
 #memory:hover,
-#disk:hover,
+#custom-disk:hover,
 #custom-netspeed:hover,
 #wireplumber:hover,
 #sysmonitor:hover,
@@ -94,6 +94,22 @@ window#waybar {
     color: #ff5858;
 }
 
+#temperature.warning {
+    color: #daa520;
+}
+
+#temperature.critical {
+    color: #ff5858;
+}
+
+#custom-disk.warning {
+    color: #daa520;
+}
+
+#custom-disk.critical {
+    color: #ff5858;
+}
+
 #battery.warning {
     color: #daa520;
 }
diff --git a/dotfiles/hyprland/.local/bin/waybar-disk b/dotfiles/hyprland/.local/bin/waybar-disk
new file mode 100755
index 0000000..6050653
--- /dev/null
+++ b/dotfiles/hyprland/.local/bin/waybar-disk
@@ -0,0 +1,7 @@
+#!/bin/sh
+# Waybar disk usage module with warning/critical states
+PCT=$(df --output=pcent / | tail -1 | tr -d ' %')
+CLASS=""
+[ "$PCT" -ge 80 ] && CLASS="warning"
+[ "$PCT" -ge 90 ] && CLASS="critical"
+printf '{"text": "%s%%", "class": "%s", "tooltip": "Root: %s%% used"}\n' "$PCT" "$CLASS" "$PCT"