Add admin sidebar toggle on mobile, fix table wrapping, fix grids

src/components/navbar-color-picker.tsx

@@ -86,14 +86,14 @@ export function NavbarColorPicker() {
       </button>
 
       {mounted && open && (
-        <div className="dropdown-menu absolute right-0 top-full mt-0.5 min-w-[200px] rounded-xl z-50 py-3 px-2">
+        <div className="dropdown-menu absolute right-0 top-full mt-0.5 min-w-[180px] sm:min-w-[200px] rounded-xl z-50 py-3 px-2">
           <div
             className="text-xs font-semibold uppercase tracking-wider mb-2 px-2"
             style={{ color: "var(--color-text-muted)" }}
           >
             Navbar kleur
           </div>
-          <div className="grid grid-cols-5 gap-1.5">
+          <div className="grid grid-cols-3 sm:grid-cols-5 gap-1.5">
             {COLORS.map((c, i) => (
               <button
                 key={c.name}