diff --git a/data/config.json b/data/config.json
index e2049ba..83b78d4 100644
--- a/data/config.json
+++ b/data/config.json
@@ -18,7 +18,14 @@
   "primary_sensor": "cpu",
   "sensor_preference": "auto",
   "fans": {},
-  "fan_groups": {},
+  "fan_groups": {
+    "1 & 2": {
+      "fan_ids": [
+        "0x00",
+        "0x01"
+      ]
+    }
+  },
   "active_curve": "Balanced",
   "fan_curves": {
     "Balanced": {
diff --git a/server.log b/server.log
index 153a7d4..d2f87ac 100644
--- a/server.log
+++ b/server.log
@@ -1,468 +1,307 @@
-INFO:     Started server process [86031]
+INFO:     Started server process [101298]
 INFO:     Waiting for application startup.
 INFO:     Application startup complete.
 INFO:     Uvicorn running on http://0.0.0.0:8000 (Press CTRL+C to quit)
-INFO:     127.0.0.1:52194 - "GET / HTTP/1.1" 200 OK
-INFO:     127.0.0.1:52206 - "GET / HTTP/1.1" 200 OK
-INFO:     192.168.5.30:65213 - "GET / HTTP/1.1" 200 OK
-INFO:     192.168.5.30:65213 - "GET /icons/favicon.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:65213 - "GET /favicon.ico HTTP/1.1" 200 OK
-INFO:     192.168.5.30:49755 - "GET /favicon.ico HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60215 - "POST /api/setup/test-ipmi HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60215 - "GET /favicon.ico HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60215 - "POST /api/setup/test-http HTTP/1.1" 200 OK
-2026-02-20 21:14:12,721 - fan_controller - INFO - Saved config to /home/devmatrix/projects/fan-controller-v2/data/config.json
-2026-02-20 21:14:12,969 - fan_controller - INFO - Connected to IPMI at 192.168.5.191
-2026-02-20 21:14:12,969 - fan_controller - INFO - HTTP sensor client initialized for http://192.168.5.200:8888
-/home/devmatrix/projects/fan-controller-v2/web_server.py:154: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     127.0.0.1:54560 - "GET / HTTP/1.1" 200 OK
+INFO:     192.168.5.30:64163 - "GET / HTTP/1.1" 200 OK
+INFO:     192.168.5.30:64163 - "GET /icons/favicon.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:64163 - "GET /favicon.ico HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52794 - "GET /favicon.ico HTTP/1.1" 200 OK
+INFO:     192.168.5.30:56655 - "POST /api/setup/test-ipmi HTTP/1.1" 200 OK
+INFO:     192.168.5.30:56655 - "GET /favicon.ico HTTP/1.1" 200 OK
+INFO:     192.168.5.30:56655 - "POST /api/setup/test-http HTTP/1.1" 200 OK
+2026-02-20 22:20:12,413 - fan_controller - INFO - Saved config to /home/devmatrix/projects/fan-controller-v2/data/config.json
+2026-02-20 22:20:12,563 - fan_controller - INFO - Connected to IPMI at 192.168.5.191
+2026-02-20 22:20:12,563 - fan_controller - INFO - HTTP sensor client initialized for http://192.168.5.200:8888
+2026-02-20 22:20:12,563 - __main__ - INFO - Setup complete - auto fan control enabled, starting service...
+2026-02-20 22:20:12,718 - fan_controller - INFO - Connected to IPMI at 192.168.5.191
+2026-02-20 22:20:12,875 - fan_controller - INFO - Connected to IPMI at 192.168.5.191
+2026-02-20 22:20:12,875 - fan_controller - INFO - HTTP sensor client initialized for http://192.168.5.200:8888
+2026-02-20 22:20:12,876 - fan_controller - INFO - IPMI Controller service started
+2026-02-20 22:20:12,876 - __main__ - INFO - Fan control service started successfully
+/home/devmatrix/projects/fan-controller-v2/web_server.py:156: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   self._sessions[token] = (username, datetime.utcnow() + timedelta(days=7))
-INFO:     192.168.5.30:60215 - "POST /api/setup HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60215 - "GET / HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60215 - "GET /icons/sun.svg HTTP/1.1" 304 Not Modified
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:56655 - "POST /api/setup HTTP/1.1" 200 OK
+INFO:     192.168.5.30:56655 - "GET / HTTP/1.1" 200 OK
+INFO:     192.168.5.30:56655 - "GET /icons/sun.svg HTTP/1.1" 304 Not Modified
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60215 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:49551 - "GET /icons/lock-closed.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:57842 - "GET /icons/arrow-right-on-rectangle.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:60455 - "GET /icons/server-stack.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:49786 - "GET /icons/auto-mode.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:50500 - "GET /icons/thermometer.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:60215 - "GET /icons/list-bullet.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:49551 - "GET /icons/adjustments-horizontal.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:57842 - "GET /icons/chart-bar.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:60455 - "GET /icons/document-text.svg HTTP/1.1" 304 Not Modified
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "POST /api/test HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:58779 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:59906 - "GET /icons/lock-closed.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:60838 - "GET /icons/arrow-right-on-rectangle.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:56655 - "GET /icons/thermometer.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:52699 - "GET /icons/server-stack.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:49400 - "GET /icons/auto-mode.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:60838 - "GET /icons/chart-bar.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:59906 - "GET /icons/adjustments-horizontal.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:58779 - "GET /icons/list-bullet.svg HTTP/1.1" 304 Not Modified
+INFO:     192.168.5.30:52699 - "GET /icons/document-text.svg HTTP/1.1" 304 Not Modified
+2026-02-20 22:20:13,043 - fan_controller - INFO - Manual fan control enabled
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:21:00,661 - fan_controller - INFO - Saved config to /home/devmatrix/projects/fan-controller-v2/data/config.json
-2026-02-20 21:21:00,824 - fan_controller - INFO - Manual fan control enabled
-2026-02-20 21:21:00,981 - fan_controller - INFO - Connected to IPMI at 192.168.5.191
-2026-02-20 21:21:00,981 - fan_controller - INFO - HTTP sensor client initialized for http://192.168.5.200:8888
-2026-02-20 21:21:00,983 - fan_controller - INFO - IPMI Controller service started
-INFO:     192.168.5.30:60455 - "POST /api/control/auto HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:21:01,180 - fan_controller - INFO - Manual fan control enabled
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:20:19,802 - fan_controller - INFO - Fan 0xff speed set to 14%
+2026-02-20 22:20:19,802 - fan_controller - INFO - All fans set to 14% (Temp 38.0°C)
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:21:07,293 - fan_controller - INFO - Fan 0xff speed set to 13%
-2026-02-20 21:21:07,293 - fan_controller - INFO - All fans set to 13% (Temp 36.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=light HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=dark HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=light HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=dark HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=light HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:20:35,769 - fan_controller - INFO - Fan 0xff speed set to 15%
+2026-02-20 22:20:35,770 - fan_controller - INFO - All fans set to 15% (Temp 40.0°C)
+INFO:     192.168.5.30:52699 - "GET /?theme=dark HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=light HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     127.0.0.1:57826 - "GET / HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:20:50,970 - fan_controller - INFO - Fan 0xff speed set to 14%
+2026-02-20 22:20:50,971 - fan_controller - INFO - All fans set to 14% (Temp 39.0°C)
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:21:37,253 - fan_controller - INFO - Fan 0xff speed set to 14%
-2026-02-20 21:21:37,253 - fan_controller - INFO - All fans set to 14% (Temp 38.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=dark HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=light HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=dark HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=light HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=dark HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=light HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=dark HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:21:07,072 - fan_controller - INFO - Fan 0xff speed set to 13%
+2026-02-20 22:21:07,073 - fan_controller - INFO - All fans set to 13% (Temp 37.0°C)
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:21:53,341 - fan_controller - INFO - Fan 0xff speed set to 13%
-2026-02-20 21:21:53,342 - fan_controller - INFO - All fans set to 13% (Temp 36.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=light HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:21:22,471 - fan_controller - INFO - Fan 0xff speed set to 14%
+2026-02-20 22:21:22,471 - fan_controller - INFO - All fans set to 14% (Temp 38.0°C)
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /?theme=dark HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:22:03,963 - fan_controller - INFO - Saved config to /home/devmatrix/projects/fan-controller-v2/data/config.json
+INFO:     192.168.5.30:52699 - "POST /api/fans/groups HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+2026-02-20 22:23:04,090 - fan_controller - INFO - Saved config to /home/devmatrix/projects/fan-controller-v2/data/config.json
+2026-02-20 22:23:04,287 - fan_controller - INFO - Fan 0xff speed set to 14%
+INFO:     192.168.5.30:52699 - "POST /api/control/manual HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:24:12,026 - fan_controller - INFO - Fan 0xff speed set to 14%
-2026-02-20 21:24:12,026 - fan_controller - INFO - All fans set to 14% (Temp 38.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:23:06,092 - fan_controller - INFO - Saved config to /home/devmatrix/projects/fan-controller-v2/data/config.json
+2026-02-20 22:23:06,291 - fan_controller - INFO - Automatic fan control restored
+INFO:     192.168.5.30:52699 - "POST /api/control/auto HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:23:07,738 - fan_controller - INFO - Saved config to /home/devmatrix/projects/fan-controller-v2/data/config.json
+2026-02-20 22:23:08,186 - fan_controller - INFO - Manual fan control enabled
+INFO:     192.168.5.30:52699 - "POST /api/control/auto HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:23:26,377 - fan_controller - INFO - Fan 0xff speed set to 15%
+2026-02-20 22:23:26,377 - fan_controller - INFO - All fans set to 15% (Temp 40.0°C)
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:24:57,318 - fan_controller - INFO - Fan 0xff speed set to 13%
-2026-02-20 21:24:57,318 - fan_controller - INFO - All fans set to 13% (Temp 37.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:23:42,197 - fan_controller - INFO - Fan 0xff speed set to 14%
+2026-02-20 22:23:42,197 - fan_controller - INFO - All fans set to 14% (Temp 38.0°C)
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:25:13,055 - fan_controller - INFO - Fan 0xff speed set to 15%
-2026-02-20 21:25:13,056 - fan_controller - INFO - All fans set to 15% (Temp 40.0°C)
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:25:28,522 - fan_controller - INFO - Fan 0xff speed set to 14%
-2026-02-20 21:25:28,522 - fan_controller - INFO - All fans set to 14% (Temp 38.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:25:43,706 - fan_controller - INFO - Fan 0xff speed set to 13%
-2026-02-20 21:25:43,706 - fan_controller - INFO - All fans set to 13% (Temp 37.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:25:58,865 - fan_controller - INFO - Fan 0xff speed set to 14%
-2026-02-20 21:25:58,866 - fan_controller - INFO - All fans set to 14% (Temp 38.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:24:58,799 - fan_controller - INFO - Fan 0xff speed set to 13%
+2026-02-20 22:24:58,799 - fan_controller - INFO - All fans set to 13% (Temp 37.0°C)
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:26:45,316 - fan_controller - INFO - Fan 0xff speed set to 13%
-2026-02-20 21:26:45,316 - fan_controller - INFO - All fans set to 13% (Temp 37.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+2026-02-20 22:25:30,481 - fan_controller - INFO - Fan 0xff speed set to 14%
+2026-02-20 22:25:30,482 - fan_controller - INFO - All fans set to 14% (Temp 39.0°C)
+/home/devmatrix/projects/fan-controller-v2/web_server.py:163: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
   if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-2026-02-20 21:27:00,582 - fan_controller - INFO - Fan 0xff speed set to 14%
-2026-02-20 21:27:00,582 - fan_controller - INFO - All fans set to 14% (Temp 38.0°C)
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-/home/devmatrix/projects/fan-controller-v2/web_server.py:161: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
-  if datetime.utcnow() > expiry:
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
-INFO:     192.168.5.30:60455 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
+INFO:     192.168.5.30:52699 - "GET /api/status HTTP/1.1" 200 OK
diff --git a/web_server.py b/web_server.py
index ca84da5..a76bc20 100644
--- a/web_server.py
+++ b/web_server.py
@@ -220,6 +220,9 @@ THEMES = {
             color: #333 !important;
             border-color: #ccc !important;
         }
+        .status-item .icon img, .icon-svg, .icon-logo {
+            filter: none !important;
+        }
     """
 }