small adaptions

frontend/src/components/Navbar.tsx

@@ -6,16 +6,38 @@ import {
   FolderOpen,
   BarChart3,
   LogOut,
+  ChevronDown,
+  Settings,
 } from "lucide-react";
 import { useAuth } from "@/contexts/AuthContext";
+import { useState, useRef, useEffect } from "react";
 
 export function Navbar() {
   const { user, logout } = useAuth();
+  const [managementOpen, setManagementOpen] = useState(false);
+  const dropdownRef = useRef<HTMLDivElement>(null);
 
-  const navItems = [
+  // Close dropdown when clicking outside
+  useEffect(() => {
+    function handleClickOutside(event: MouseEvent) {
+      if (
+        dropdownRef.current &&
+        !dropdownRef.current.contains(event.target as Node)
+      ) {
+        setManagementOpen(false);
+      }
+    }
+    document.addEventListener("mousedown", handleClickOutside);
+    return () => document.removeEventListener("mousedown", handleClickOutside);
+  }, []);
+
+  const mainNavItems = [
     { to: "/dashboard", label: "Dashboard", icon: Clock },
     { to: "/time-entries", label: "Time Entries", icon: List },
     { to: "/statistics", label: "Statistics", icon: BarChart3 },
+  ];
+
+  const managementItems = [
     { to: "/clients", label: "Clients", icon: Briefcase },
     { to: "/projects", label: "Projects", icon: FolderOpen },
   ];
@@ -32,7 +54,8 @@ export function Navbar() {
               </span>
             </div>
             <div className="hidden sm:ml-8 sm:flex sm:space-x-4">
-              {navItems.map((item) => (
+              {/* Main Navigation Items */}
+              {mainNavItems.map((item) => (
                 <NavLink
                   key={item.to}
                   to={item.to}
@@ -48,6 +71,46 @@ export function Navbar() {
                   {item.label}
                 </NavLink>
               ))}
+
+              {/* Management Dropdown */}
+              <div className="relative" ref={dropdownRef}>
+                <button
+                  onClick={() => setManagementOpen(!managementOpen)}
+                  className={`inline-flex h-full items-center px-3 py-2 text-sm font-medium rounded-md transition-colors ${
+                    managementOpen
+                      ? "text-primary-600 bg-primary-50"
+                      : "text-gray-600 hover:text-gray-900 hover:bg-gray-50"
+                  }`}
+                >
+                  <Settings className="h-4 w-4 mr-2" />
+                  <span>Management</span>
+                  <ChevronDown
+                    className={`h-4 w-4 ml-1 transition-transform ${managementOpen ? "rotate-180" : ""}`}
+                  />
+                </button>
+
+                {managementOpen && (
+                  <div className="absolute top-full left-0 mt-1 w-48 bg-white rounded-lg shadow-lg border border-gray-200 py-1 z-50">
+                    {managementItems.map((item) => (
+                      <NavLink
+                        key={item.to}
+                        to={item.to}
+                        onClick={() => setManagementOpen(false)}
+                        className={({ isActive }) =>
+                          `flex items-center px-4 py-2 text-sm transition-colors ${
+                            isActive
+                              ? "bg-primary-50 text-primary-600"
+                              : "text-gray-700 hover:bg-gray-50"
+                          }`
+                        }
+                      >
+                        <item.icon className="h-4 w-4 mr-2" />
+                        {item.label}
+                      </NavLink>
+                    ))}
+                  </div>
+                )}
+              </div>
             </div>
           </div>
           <div className="flex items-center space-x-4">
@@ -64,15 +127,17 @@ export function Navbar() {
           </div>
         </div>
       </div>
+
       {/* Mobile navigation */}
       <div className="sm:hidden border-t border-gray-200">
-        <div className="flex justify-around py-2">
-          {navItems.map((item) => (
+        <div className="flex flex-wrap">
+          {/* Mobile: Show all nav items directly (no dropdown) */}
+          {[...mainNavItems, ...managementItems].map((item) => (
             <NavLink
               key={item.to}
               to={item.to}
               className={({ isActive }) =>
-                `flex flex-col items-center p-2 text-xs font-medium rounded-md ${
+                `flex-1 min-w-[80px] flex flex-col items-center p-2 text-xs font-medium ${
                   isActive ? "text-primary-600" : "text-gray-600"
                 }`
               }

frontend/src/pages/DashboardPage.tsx

@@ -4,7 +4,7 @@ import { useTimeEntries } from "@/hooks/useTimeEntries";
 import {
   formatDate,
   formatDurationFromDates,
-  formatDuration,
+  formatDurationHoursMinutes,
 } from "@/utils/dateUtils";
 import { startOfDay, endOfDay } from "date-fns";
 
@@ -40,7 +40,7 @@ export function DashboardPage() {
         <StatCard
           icon={Clock}
           label="Today"
-          value={formatDuration(totalTodaySeconds)}
+          value={formatDurationHoursMinutes(totalTodaySeconds)}
           color="blue"
         />
         <StatCard

frontend/src/utils/dateUtils.ts

@@ -30,6 +30,19 @@ export function formatDuration(totalSeconds: number): string {
   return parts.join(":");
 }
 
+export function formatDurationHoursMinutes(totalSeconds: number): string {
+  const hours = Math.floor(totalSeconds / 3600);
+  const minutes = Math.floor((totalSeconds % 3600) / 60);
+
+  if (hours === 0) {
+    return `${minutes}m`;
+  }
+  if (minutes === 0) {
+    return `${hours}h`;
+  }
+  return `${hours}h ${minutes}m`;
+}
+
 export function calculateDuration(startTime: string, endTime: string): number {
   const start = parseISO(startTime);
   const end = parseISO(endTime);