refactor : Remove intranet components along with their associated styles and logic

nest-front/src/components/shared/Navbar.tsx

@@ -11,7 +11,7 @@ const NAV_LINKS = [
 ];
 
 export function Navbar() {
-  const { user, isAuthenticated, isStaff, logout } = useAuth();
+  const { user, isAuthenticated, logout } = useAuth();
   const navigate = useNavigate();
   const [menuOpen, setMenuOpen] = useState(false);
 
@@ -90,42 +90,6 @@ export function Navbar() {
               {label}
             </NavLink>
           ))}
-
-          {/* Intranet — visually separated, highlighted button */}
-          {isStaff && (
-            <>
-              {/* Vertical divider */}
-              <span
-                aria-hidden="true"
-                style={{
-                  display: 'inline-block',
-                  width: '1px',
-                  height: '18px',
-                  background: 'var(--color-border)',
-                  margin: '0 0.25rem',
-                }}
-              />
-              <NavLink
-                to="/intranet"
-                style={({ isActive }) => ({
-                  fontFamily: 'var(--font-mono)',
-                  fontSize: '0.75rem',
-                  textTransform: 'uppercase',
-                  letterSpacing: '0.1em',
-                  textDecoration: 'none',
-                  background: isActive ? 'var(--color-yellow)' : 'var(--color-yellow)',
-                  color: 'var(--color-bg)',
-                  border: '2px solid var(--color-yellow)',
-                  padding: '0.2rem 0.65rem',
-                  fontWeight: 'bold',
-                  opacity: isActive ? 1 : 0.85,
-                  transition: 'opacity 0.1s',
-                })}
-              >
-                &#9646; INTRANET
-              </NavLink>
-            </>
-          )}
         </div>
 
         {/* Desktop Auth */}
@@ -230,32 +194,6 @@ export function Navbar() {
                 </>
               )}
             </div>
-
-            {/* Intranet button — mobile: separated at the bottom */}
-            {isStaff && (
-              <div style={{ borderTop: '2px solid var(--color-yellow)', paddingTop: '0.85rem' }}>
-                <NavLink
-                  to="/intranet"
-                  onClick={closeMenu}
-                  style={({ isActive }) => ({
-                    display: 'inline-block',
-                    fontFamily: 'var(--font-mono)',
-                    fontSize: '0.8rem',
-                    textTransform: 'uppercase' as const,
-                    letterSpacing: '0.1em',
-                    textDecoration: 'none',
-                    background: 'var(--color-yellow)',
-                    color: 'var(--color-bg)',
-                    border: '2px solid var(--color-yellow)',
-                    padding: '0.3rem 0.85rem',
-                    fontWeight: 'bold',
-                    opacity: isActive ? 0.85 : 1,
-                  })}
-                >
-                  &#9646; INTRANET
-                </NavLink>
-              </div>
-            )}
           </div>
         </div>
       )}