### Is this a hackmd.io issue? - [x] Yes, the bug happens on https://hackmd.io ### Read our Official tutorial It's on https://hackmd.io/c/tutorials/ 或是中文版 https://hackmd.io/c/tutorials-tw/ ### What's the problem #### Current behaviour   Provide steps to reproduce: 1. Log in to hackmd on a light mode system 2. Change the settings to use the "system" style 3. hackmd is still in dark mode #### Expected behaviour hackmd should be in light mode in this configuration. #### Environment I use HackMD on: **Desktop** - OS: Linux - Browser: Firefox - Browser Version: 139.0.1 #### Additional context Changing the settings to "light mode" works as expected.