
| Option | Behaviour |
|---|---|
| Light | Always light, regardless of your OS |
| Dark | Always dark, regardless of your OS |
| System | Follows your operating system's appearance setting, and changes live when the OS does |





theme-preference.| Question | Answer |
|---|---|
| Does it survive a page reload? | Yes |
| Does it survive logging out? | Yes — deliberately. The login and sign-up pages respect the theme you chose |
| Does it sync to my other devices? | No — it's per browser. Set it once per device |
| Do my teammates see my choice? | No — it's entirely personal |
| Icon | Current mode | Clicking it switches to |
|---|---|---|
| 🌙 Moon | Light | Dark |
| ☀️ Sun | Dark | System |
| 🖥 Monitor | System | Light |




| Symptom | Fix |
|---|---|
| Theme didn't change | The change is instant; if a panel looks stale, reload the page |
| App is dark but I chose Light | You may be on System with a dark OS. Pick Light explicitly |
| Theme resets on a different browser or a private window | Expected — the preference is per browser profile |
| An embedded editor or whiteboard looks like the wrong theme | These load in their own frames and follow the platform theme; reopen the item after switching |