Initial commit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/components/layout/BottomNav.tsx

@@ -0,0 +1,91 @@
+import { NavLink } from 'react-router-dom';
+
+const navItems = [
+  {
+    to: '/',
+    label: 'Übungen',
+    icon: (
+      <svg className="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+        <path strokeLinecap="round" strokeLinejoin="round" d="M4 6h16M4 12h16M4 18h7" />
+      </svg>
+    ),
+  },
+  {
+    to: '/sets',
+    label: 'Sets',
+    icon: (
+      <svg className="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+        <path strokeLinecap="round" strokeLinejoin="round" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
+      </svg>
+    ),
+  },
+  {
+    to: '/training',
+    label: 'Training',
+    icon: (
+      <svg className="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+        <path strokeLinecap="round" strokeLinejoin="round" d="M13 10V3L4 14h7v7l9-11h-7z" />
+      </svg>
+    ),
+  },
+  {
+    to: '/history',
+    label: 'Historie',
+    icon: (
+      <svg className="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+        <path strokeLinecap="round" strokeLinejoin="round" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
+      </svg>
+    ),
+  },
+];
+
+export function BottomNav() {
+  return (
+    <nav className="md:hidden fixed bottom-0 left-0 right-0 bg-gray-900 border-t border-gray-800 z-40">
+      <div className="flex justify-around">
+        {navItems.map((item) => (
+          <NavLink
+            key={item.to}
+            to={item.to}
+            end={item.to === '/'}
+            className={({ isActive }) =>
+              `flex flex-col items-center py-2 px-3 min-h-[44px] min-w-[44px] text-xs transition-colors ${
+                isActive ? 'text-blue-500' : 'text-gray-400 hover:text-gray-200'
+              }`
+            }
+          >
+            {item.icon}
+            <span className="mt-1">{item.label}</span>
+          </NavLink>
+        ))}
+      </div>
+    </nav>
+  );
+}
+
+export function Sidebar() {
+  return (
+    <nav className="hidden md:flex flex-col w-56 bg-gray-900 border-r border-gray-800 min-h-screen p-4">
+      <h1 className="text-xl font-bold text-blue-500 mb-8">Krafttrainer</h1>
+      <div className="flex flex-col gap-1">
+        {navItems.map((item) => (
+          <NavLink
+            key={item.to}
+            to={item.to}
+            end={item.to === '/'}
+            className={({ isActive }) =>
+              `flex items-center gap-3 px-3 py-3 rounded-lg min-h-[44px] transition-colors ${
+                isActive
+                  ? 'bg-blue-500/20 text-blue-400'
+                  : 'text-gray-400 hover:text-gray-200 hover:bg-gray-800'
+              }`
+            }
+          >
+            {item.icon}
+            <span>{item.label}</span>
+          </NavLink>
+        ))}
+      </div>
+    </nav>
+  );
+}