diff --git a/artifacts/api-server/src/routes/quickEntry.ts b/artifacts/api-server/src/routes/quickEntry.ts
index 5e64a89..9257bde 100644
--- a/artifacts/api-server/src/routes/quickEntry.ts
+++ b/artifacts/api-server/src/routes/quickEntry.ts
@@ -15,7 +15,7 @@ router.post("/quick-entry", async (req, res): Promise<void> => {
     return;
   }
 
-  const { projectId, hours, collaborator } = parsed.data;
+  const { projectId, hours, collaborator, description } = parsed.data;
   const rawDate = parsed.data.date;
   const dateStr = rawDate instanceof Date
     ? rawDate.toISOString().split("T")[0]
@@ -87,14 +87,14 @@ router.post("/quick-entry", async (req, res): Promise<void> => {
     } else {
       [entry] = await db
         .update(timeEntriesTable)
-        .set({ hours })
+        .set({ hours, description: description ?? existing.description })
         .where(eq(timeEntriesTable.id, existing.id))
         .returning();
     }
   } else if (hours > 0) {
     [entry] = await db
       .insert(timeEntriesTable)
-      .values({ timesheetLineId: line.id, date: dateStr, hours })
+      .values({ timesheetLineId: line.id, date: dateStr, hours, description: description ?? null })
       .returning();
   } else {
     entry = { id: 0, timesheetLineId: line.id, date: dateStr, hours: 0 };
diff --git a/artifacts/cra-app/src/components/layout/layout.tsx b/artifacts/cra-app/src/components/layout/layout.tsx
index aa42483..31f2c2e 100644
--- a/artifacts/cra-app/src/components/layout/layout.tsx
+++ b/artifacts/cra-app/src/components/layout/layout.tsx
@@ -1,17 +1,13 @@
 import { AppSidebar } from "./sidebar";
-import { QuickEntryButton } from "@/components/quick-entry";
 
 export function AppLayout({ children }: { children: React.ReactNode }) {
   return (
     <div className="flex h-screen w-full bg-background overflow-hidden">
       <AppSidebar />
-      <main className="flex-1 flex flex-col min-w-0 overflow-y-auto relative">
+      <main className="flex-1 flex flex-col min-w-0 overflow-y-auto">
         <div className="flex-1 p-8 container mx-auto max-w-7xl">
           {children}
         </div>
-        <div className="fixed bottom-6 right-6 z-50">
-          <QuickEntryButton />
-        </div>
       </main>
     </div>
   );
diff --git a/artifacts/cra-app/src/components/layout/sidebar.tsx b/artifacts/cra-app/src/components/layout/sidebar.tsx
index 21c4484..e4654fa 100644
--- a/artifacts/cra-app/src/components/layout/sidebar.tsx
+++ b/artifacts/cra-app/src/components/layout/sidebar.tsx
@@ -1,6 +1,7 @@
 import { Link, useLocation } from "wouter";
-import { LayoutDashboard, Clock, FolderKanban, Settings } from "lucide-react";
+import { LayoutDashboard, Clock, FolderKanban, Zap } from "lucide-react";
 import { cn } from "@/lib/utils";
+import { QuickEntryButton } from "@/components/quick-entry";
 
 const navItems = [
   {
@@ -51,6 +52,10 @@ export function AppSidebar() {
             </Link>
           );
         })}
+
+        <div className="pt-3">
+          <QuickEntryButton />
+        </div>
       </nav>
 
       <div className="p-4 border-t border-sidebar-border">
diff --git a/artifacts/cra-app/src/components/quick-entry.tsx b/artifacts/cra-app/src/components/quick-entry.tsx
index 2be13f0..5b5d6e1 100644
--- a/artifacts/cra-app/src/components/quick-entry.tsx
+++ b/artifacts/cra-app/src/components/quick-entry.tsx
@@ -25,6 +25,7 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select";
+import { Textarea } from "@/components/ui/textarea";
 import { useToast } from "@/hooks/use-toast";
 import { Zap, Clock, Check } from "lucide-react";
 import { format } from "date-fns";
@@ -38,14 +39,14 @@ export function QuickEntryButton() {
 
   return (
     <>
-      <Button
+      <button
         onClick={() => setOpen(true)}
-        className="gap-2 bg-primary shadow-lg hover:shadow-xl transition-all"
+        className="flex items-center gap-3 rounded-md px-3 py-2.5 text-sm font-medium transition-colors cursor-pointer w-full bg-primary/10 text-primary hover:bg-primary/20"
         data-testid="button-quick-entry"
       >
         <Zap className="h-4 w-4" />
         Saisie rapide
-      </Button>
+      </button>
       <QuickEntryDialog open={open} onOpenChange={setOpen} />
     </>
   );
@@ -61,6 +62,7 @@ function QuickEntryDialog({
   const [projectId, setProjectId] = useState<string>("");
   const [date, setDate] = useState(format(new Date(), "yyyy-MM-dd"));
   const [hours, setHours] = useState<number>(1);
+  const [description, setDescription] = useState("");
   const [success, setSuccess] = useState(false);
   const [lastEntry, setLastEntry] = useState<{
     projectName: string;
@@ -92,6 +94,7 @@ function QuickEntryDialog({
           date,
           hours,
           collaborator: COLLABORATOR,
+          description: description.trim() || undefined,
         },
       },
       {
@@ -133,6 +136,7 @@ function QuickEntryDialog({
     setSuccess(false);
     setProjectId("");
     setHours(1);
+    setDescription("");
     setDate(format(new Date(), "yyyy-MM-dd"));
     onOpenChange(false);
   };
@@ -141,6 +145,7 @@ function QuickEntryDialog({
     setSuccess(false);
     setProjectId("");
     setHours(1);
+    setDescription("");
   };
 
   const activeProjects = projects?.filter((p) => p.isActive) ?? [];
@@ -258,9 +263,22 @@ function QuickEntryDialog({
                 </div>
               </div>
 
+              <div className="space-y-2">
+                <label className="text-sm font-medium">
+                  Description <span className="text-muted-foreground font-normal">(optionnel)</span>
+                </label>
+                <Textarea
+                  value={description}
+                  onChange={(e) => setDescription(e.target.value)}
+                  placeholder="Ex: Développement de la page d'accueil, réunion client..."
+                  className="resize-none h-20"
+                  data-testid="input-quick-description"
+                />
+              </div>
+
               {selectedProject && (
                 <div className="bg-muted/50 rounded-lg p-3 text-sm">
-                  <p className="text-muted-foreground">Récapitulatif:</p>
+                  <p className="text-muted-foreground">Récapitulatif :</p>
                   <p className="font-medium mt-1">
                     {hours}h sur{" "}
                     <Badge variant="secondary" className="font-mono text-xs">
@@ -271,6 +289,11 @@ function QuickEntryDialog({
                   <p className="text-muted-foreground capitalize">
                     {formattedDate}
                   </p>
+                  {description.trim() && (
+                    <p className="text-muted-foreground mt-1 italic">
+                      « {description.trim()} »
+                    </p>
+                  )}
                 </div>
               )}
             </div>
diff --git a/lib/api-client-react/src/generated/api.schemas.ts b/lib/api-client-react/src/generated/api.schemas.ts
index 4fc809c..61e6d43 100644
--- a/lib/api-client-react/src/generated/api.schemas.ts
+++ b/lib/api-client-react/src/generated/api.schemas.ts
@@ -181,6 +181,7 @@ export interface QuickAddTimeBody {
   date: string;
   hours: number;
   collaborator: string;
+  description?: string | null;
 }
 
 export interface QuickAddTimeResponse {
diff --git a/lib/api-spec/openapi.yaml b/lib/api-spec/openapi.yaml
index b833045..50552dd 100644
--- a/lib/api-spec/openapi.yaml
+++ b/lib/api-spec/openapi.yaml
@@ -727,6 +727,9 @@ components:
           type: number
         collaborator:
           type: string
+        description:
+          type: string
+          nullable: true
       required:
         - projectId
         - date
diff --git a/lib/api-zod/src/generated/api.ts b/lib/api-zod/src/generated/api.ts
index 538b501..130721a 100644
--- a/lib/api-zod/src/generated/api.ts
+++ b/lib/api-zod/src/generated/api.ts
@@ -265,6 +265,7 @@ export const QuickAddTimeBody = zod.object({
   date: zod.coerce.date(),
   hours: zod.number(),
   collaborator: zod.string(),
+  description: zod.string().nullish(),
 });
 
 export const QuickAddTimeResponse = zod.object({
diff --git a/lib/api-zod/src/generated/types/quickAddTimeBody.ts b/lib/api-zod/src/generated/types/quickAddTimeBody.ts
index fa7655d..7367f7c 100644
--- a/lib/api-zod/src/generated/types/quickAddTimeBody.ts
+++ b/lib/api-zod/src/generated/types/quickAddTimeBody.ts
@@ -11,4 +11,5 @@ export interface QuickAddTimeBody {
   date: Date;
   hours: number;
   collaborator: string;
+  description?: string | null;
 }
diff --git a/lib/db/src/schema/timeEntries.ts b/lib/db/src/schema/timeEntries.ts
index eeb31ae..8c88eec 100644
--- a/lib/db/src/schema/timeEntries.ts
+++ b/lib/db/src/schema/timeEntries.ts
@@ -1,4 +1,4 @@
-import { pgTable, serial, integer, real, date } from "drizzle-orm/pg-core";
+import { pgTable, serial, integer, real, date, text } from "drizzle-orm/pg-core";
 import { createInsertSchema } from "drizzle-zod";
 import { z } from "zod/v4";
 import { timesheetLinesTable } from "./timesheetLines";
@@ -8,6 +8,7 @@ export const timeEntriesTable = pgTable("time_entries", {
   timesheetLineId: integer("timesheet_line_id").notNull().references(() => timesheetLinesTable.id, { onDelete: "cascade" }),
   date: date("date").notNull(),
   hours: real("hours").notNull().default(0),
+  description: text("description"),
 });
 
 export const insertTimeEntrySchema = createInsertSchema(timeEntriesTable).omit({ id: true });