Fix: contact form focus border color

[Me-Priyank]

Summary

Fixes the contact form focus border color on the /contact page.

Changes

• Updated the theme primary color override to #40ba84
• Ensured focused contact form fields use the correct green border
• Avoided adding !important for this fix

Fixes

Closes #257

Summary by CodeRabbit

• Chores
  • Improved styling infrastructure for enhanced theme color consistency and maintainability.

[coderabbitai]

Walkthrough

This PR adds a single SCSS variable $primary-color: #40ba84`` to assets/scss/_mixins.scss. The variable defines the CircuitVerse primary green color and enables consistent reuse of this theme value throughout the stylesheet. This change supports the resolution of issue `#257`, which addresses changing the focus border color on the Contact Us form from red to green.

Possibly related PRs

• CircuitVerse/Blog#256: Also modifies assets/scss/_mixins.scss to reuse the same primary green color (#40ba84) for button hover and active states, directly sharing the theme color value.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: fixing the contact form focus border color issue referenced in the PR objectives.
Linked Issues check	✅ Passed	The PR adds a primary color variable (#40ba84) to address issue #257's requirement to change the contact form focus border from red to green.
Out of Scope Changes check	✅ Passed	The change is narrowly scoped: only adds a global SCSS primary color variable directly needed to fix the contact form focus border color as specified in issue #257.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 482cfa4b-3804-46bb-b1ab-9292d5be5a3b

📥 Commits

Reviewing files that changed from the base of the PR and between ee4961f and f6ce60a.

📒 Files selected for processing (1)

• assets/scss/_mixins.scss

[coderabbitai]

✅ Actions performed

Comments resolved and changes approved.

[Nihal4777]

@Me-Priyank Changes applied in #258