Describe the bug

Selecting Mira + dark mode gives you transparent backgrounds in comboboxes, making them unreadable depending on the background.

Affected component/components

Combobox

How to reproduce

1. Go to https://ui.shadcn.com/create?style=mira
2. Make sure you are in dark mode
3. Click any combobox ( for more comboboxes look at https://ui.shadcn.com/create?style=mira&item=combobox-example )

Codesandbox/StackBlitz link

No response

Logs

System Info

On Zen Browser, linux, reproduces on Android + Chromium, as well as windows + MS Edge.

Before submitting

• I've made research efforts and searched the documentation
• I've searched for existing issues