Use Modal when
A short, focused decision that must be finished or cancelled before anything else.
Signs it fits
- A few fields or a single decision
- No need to see the page behind
- Blocking is intended
- It never opens another modal
Use Panel when
Inspecting or editing one item while the list stays in view, or working through items one after another.
Signs it fits
- The list is useful context
- Reviewing items in sequence
- Comparing against what’s behind
- Wide screens
Use Page when
Long or complex work, or anything people will link to, bookmark, or come back to.
Signs it fits
- Many fields or sections
- Needs its own URL
- Shared or revisited
- Deserves full attention