JIT
Webpage layout client list info contacts notifications
html page with left side list of client names. right side split into two panels client info, client contacts. above the two panels on right need area to hold Name of client name selected and area for notification messages

Okay, here is the HTML structure for that layout using Bootstrap.

Updated files
v1
use a dark theme

Okay, let's switch to a dark theme. I'll add the data-bs-theme="dark" attribute to the <html> tag and adjust the sidebar background.

Updated files
v2
add a list of events. Events have a title, duration in mins, date timestamp, profileusername and message. message should be below other fields. other fields need to be spaced evenly. title show be larger font with color

Okay, I've added a third panel for "Events" below the "Client Contacts" panel. Each event includes the details you specified, with the title styled differently and the fields spaced out.

Updated files
v3