Tab Control
Mantine Tabs — flat, underline-style. /query's Table / Graph / Explain. Active tab has a 2px brand-blue underline; inactive tabs are underline-transparent.
DO
Use for 2–5 parallel views of the same data.
DON'T
Use for navigation between routes — that's Navbar.
Design
default
TableGraphExplain
Inline tab bar. Underline indicates the active pane.
Component reference (screenshots)

Placeholder screenshots — the audited app is live at prometheus-e83j.onrender.com.
Implementation
<Tabs defaultValue="table">
<Tabs.List><Tabs.Tab value="table">Table</Tabs.Tab>…</Tabs.List>
<Tabs.Panel value="table">…</Tabs.Panel>
</Tabs>
Layout
| Property | Value |
|---|---|
| padding | 10px 16px |
| active-underline | 2px solid brand-blue brand-blue |
Accessibility
| ARIA | Use role='tab' / role='tabpanel' / aria-selected. |
| Keyboard | Arrow keys move focus; Enter/Space activate. |