Cais gateway UI changes

[brendanator]

Revamped the UI and fixed several UI bugs. Only tested on desktop.

[brendanator]

This pull request was cloned from https://github.com/sourcery-ai-experiments/go-obscuro/pull/3

Note: the URL is not a link to avoid triggering a notification on the original pull request.

[brendanator]

Sourcery Review:

Hey @brendanator - I've reviewed your changes and they look great!

General suggestions:

• Ensure the UI is responsive and accessible across various devices and screen sizes.
• Consider implementing additional error handling and user feedback mechanisms for a smoother user experience.
• Review the consistency of variable naming and usage across JavaScript files for improved code readability.
• Verify the visibility and interaction logic of new UI elements across different user actions and states.

Here's what I looked at during the review

• 🟡 General issues: 3 issues found
• 🟢 Security: all looks good
• 🟡 Testing: 4 issues found
• 🟢 Complexity: all looks good
• 🟢 Docstrings: all looks good

LangSmith trace

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[brendanator]

suggestion (code_refinement): Consider using relative units for responsive design.

The use of absolute units (px) for dimensions and spacing may affect the responsiveness of the design. Consider using relative units like em, rem, or percentages for better scalability across devices.

Suggested change

	}
	height: 100%;
	.begin-box {
	position: absolute;
	top: 50%;

[brendanator]

nitpick (code_refinement): Ensure variable naming consistency.

The naming convention for DOM element IDs and their corresponding JavaScript constants should be consistent to improve code readability and maintainability.

Suggested change

	const idInformation = "information";
	const idInformation2 = "information2";
	const idBegin = "begin-box";
	const idSpinner = "spinner";
	const idInformation = "information";
	const idInformation2 = "information2";
	const idBeginBox = "begin-box"; // Adjusted for consistency
	const idSpinner = "spinner";

[brendanator]

suggestion (edge_case_not_handled): Consider handling potential null values when accessing DOM elements.

When accessing DOM elements using getElementById, it's a good practice to check if the returned value is not null to avoid runtime errors in cases where the element might not exist.

Suggested change

	const informationArea = document.getElementById(idInformation);
	const informationArea2 = document.getElementById(idInformation2);
	const beginBox = document.getElementById(idBegin);
	const spinner = document.getElementById(idSpinner);
	const informationArea = document.getElementById(idInformation);
	if (!informationArea) {
	console.error(`Element with ID ${idInformation} not found.`);
	}
	const informationArea2 = document.getElementById(idInformation2);
	if (!informationArea2) {
	console.error(`Element with ID ${idInformation2} not found.`);
	}
	const beginBox = document.getElementById(idBegin);
	if (!beginBox) {
	console.error(`Element with ID ${idBegin} not found.`);
	}
	const spinner = document.getElementById(idSpinner);
	if (!spinner) {
	console.error(`Element with ID ${idSpinner} not found.`);
	}