The question behind the term
A global rtl declaration fixes browser layout behavior but cannot decide hierarchy, icon meaning or spatial composition. Mechanical mirroring can invert a real process diagram or put the primary action in an awkward reading position.
A reviewable approach
Review navigation order, focus order, gesture direction, progress motion and anchored actions for each locale. Use bidi-safe markup for emails, identifiers and code, and test with actual Persian content at zoom and narrow widths.
- Set lang and dir on the server-rendered root
- Test keyboard order and screen-reader landmarks
- Use a Persian font with appropriate metrics
- Localize motion with meaning
The boundary to keep visible
Decorative asymmetry does not always need mirroring. Preserve causal meaning and accessibility before pursuing visual symmetry.