fix(ui): thème, textes et lisibilité restants de la revue

Les boutons suivent la couleur d’apparence, les libellés trop petits ou trop techniques sont clarifiés, et le catalogue des fournisseurs se met à jour tout seul.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/components/dashboard-widget-grid.tsx

@@ -240,7 +240,19 @@ export function DashboardWidgetGrid({ renderWidget, isWidgetEmpty }: DashboardWi
 
   return (
     <>
-      <div className="space-y-4">
+      <div className={editMode ? 'space-y-4 pb-24' : 'space-y-4'}>
+        {!editMode && loaded && hasVisibleWidgets && (
+          <div className="flex justify-end">
+            <button
+              type="button"
+              onClick={() => setEditMode(true)}
+              className="inline-flex items-center gap-1.5 text-[10px] font-mono uppercase font-bold px-3 py-1.5 rounded-xl text-brand-accent hover:bg-brand-accent/10 transition-colors"
+            >
+              <LayoutGrid size={12} />
+              {t('homeDashboard.widgetCustomize')}
+            </button>
+          </div>
+        )}
         {loaded ? (
           hasVisibleWidgets ? (
           <DndContext sensors={sensors} collisionDetection={closestCenter} onDragEnd={handleDragEnd}>
@@ -311,9 +323,8 @@ export function DashboardWidgetGrid({ renderWidget, isWidgetEmpty }: DashboardWi
         )}
       </div>
 
+      {editMode && (
       <div className="fixed bottom-6 left-1/2 -translate-x-1/2 z-40 flex items-center gap-2 px-3 py-2 rounded-2xl bg-ink/92 dark:bg-zinc-900/95 text-white shadow-xl border border-white/10 backdrop-blur-md">
-        {editMode ? (
-          <>
             <button
               type="button"
               onClick={() => setCatalogOpen(v => !v)}
@@ -341,18 +352,8 @@ export function DashboardWidgetGrid({ renderWidget, isWidgetEmpty }: DashboardWi
               <Check size={12} />
               {t('homeDashboard.widgetDone')}
             </button>
-          </>
-        ) : (
-          <button
-            type="button"
-            onClick={() => setEditMode(true)}
-            className="inline-flex items-center gap-1.5 text-[10px] font-mono uppercase font-bold px-4 py-2 rounded-xl bg-white/10 hover:bg-white/15 transition-colors"
-          >
-            <LayoutGrid size={12} />
-            {t('homeDashboard.widgetCustomize')}
-          </button>
-        )}
       </div>
+      )}
 
       {editMode && catalogOpen && (
         <div className="fixed bottom-20 left-1/2 -translate-x-1/2 z-40 w-[min(520px,calc(100vw-2rem))] max-h-[min(60vh,480px)] overflow-y-auto custom-scrollbar p-4 rounded-2xl bg-white dark:bg-zinc-900 border border-border/40 shadow-2xl">