refactor(ui): remove styles already supplied by EMCN controls

[BillLeoutsakosvl346]

Product controls repeated classes already supplied by their active EMCN Button/Chip variants. Remove those redundant classes while preserving custom styling, variants, labels, handlers, and rendered content. For example, small ghost table-filter buttons retain the same vertical padding and text colour through EMCN instead of repeating py-1 and text-[var(--text-secondary)] locally.

This completes the reported redundant-style category: 66 occurrences at 50 control locations, resolved through 41 class-string edits across 25 product files. Shared constants account for several findings; all 10 consumers of the auth-button constant were checked to retain fullWidth, including the dynamic SSO wrapper. The branch follows merged PRs #7975 and #7977 and targets staging.

Validation:

• Full external category scan: 66 redundant-style findings → 0. Missing-name and duplicate-artwork findings remain at 0. Coverage is unchanged, with no new analysis gaps.
• Final committed-diff linter completed with no findings and zero introduced violations.
• Before/after comparison using EMCN's actual class merger: identical final class sets at all 50 reported control locations across 67 resolved state combinations.
• AST comparison: only the reviewed class-string removals and formatting changed; surrounding component syntax is unchanged.
• 127 existing tests across 12 relevant suites pass. The resource suites were rerun after the final edit and all 18 tests pass.
• App type check, repository-wide lint, API validation, and git diff --check pass.

All linter code, validation scripts, audit reports, and dependency installation remain outside the PR. Existing presentation exclusions and unrelated styling findings are unchanged in scope.

[vercel]

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1 Skipped Deployment

Project	Deployment	Actions	Updated
docs	Skipped		Sep 18, 2026 7:53pm UTC

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge; the removed utilities are supplied by the controls’ active EMCN base, variant, size, or full-width configuration.

Summary

This PR removes product-level utility classes that duplicate styling already supplied by active EMCN Button and Chip configurations.

• Preserves authentication button width through the existing fullWidth prop.
• Delegates padding, alignment, borders, radius, transitions, and standard colors to EMCN controls.
• Retains control-specific dimensions, state colors, handlers, labels, and content.

_{Reviews (1) · Last reviewed commit: "refactor(ui): remove styles already supp..."}

[cubic-dev-ai]

No issues found across 25 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

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