diff --git a/src/app/(dashboard)/dashboard/page.tsx b/src/app/(dashboard)/dashboard/page.tsx
index f424d6c..f5729af 100644
--- a/src/app/(dashboard)/dashboard/page.tsx
+++ b/src/app/(dashboard)/dashboard/page.tsx
@@ -249,23 +249,34 @@ export default async function DashboardPage() {
               </p>
             ) : (
               <ul className="divide-y">
-                {data.recentNotifications.map((n) => (
+                {data.recentNotifications.map((n) => {
+                  const isWarning = n.severity === "warning";
+                  return (
                   <li
                     key={n.$id}
                     className={`flex items-start gap-3 py-2.5 ${n.read ? "opacity-70" : ""}`}
                   >
                     <span
-                      className={`mt-1.5 size-2 shrink-0 rounded-full ${n.read ? "bg-muted" : "bg-primary"}`}
+                      className={`mt-1.5 size-2 shrink-0 rounded-full ${
+                        n.read
+                          ? "bg-muted"
+                          : isWarning
+                            ? "bg-amber-500"
+                            : "bg-primary"
+                      }`}
                       aria-hidden
                     />
                     <div className="min-w-0 flex-1">
-                      <p className="text-sm leading-tight">{n.message}</p>
+                      <p className={`text-sm leading-tight ${isWarning && !n.read ? "font-medium" : ""}`}>
+                        {n.message}
+                      </p>
                       <p className="text-muted-foreground mt-0.5 text-xs">
                         {datetimeFormatter.format(new Date(n.$createdAt))}
                       </p>
                     </div>
                   </li>
-                ))}
+                  );
+                })}
               </ul>
             )}
           </CardContent>
diff --git a/src/app/(dashboard)/notifications/components/notifications-list.tsx b/src/app/(dashboard)/notifications/components/notifications-list.tsx
index 992fb30..505160b 100644
--- a/src/app/(dashboard)/notifications/components/notifications-list.tsx
+++ b/src/app/(dashboard)/notifications/components/notifications-list.tsx
@@ -66,10 +66,21 @@ function NotificationRow({ row }: { row: Notification }) {
       ? "/connections"
       : null;
 
+  const isWarning = row.severity === "warning";
   return (
-    <li className={`flex items-start gap-3 px-3 py-3 ${row.read ? "opacity-70" : ""}`}>
+    <li
+      className={`flex items-start gap-3 px-3 py-3 ${row.read ? "opacity-70" : ""} ${
+        isWarning && !row.read ? "bg-amber-50/60 dark:bg-amber-950/30" : ""
+      }`}
+    >
       <span
-        className={`mt-1.5 size-2 shrink-0 rounded-full ${row.read ? "bg-muted" : "bg-primary"}`}
+        className={`mt-1.5 size-2 shrink-0 rounded-full ${
+          row.read
+            ? "bg-muted"
+            : isWarning
+              ? "bg-amber-500"
+              : "bg-primary"
+        }`}
         aria-hidden
       />
       <div className="min-w-0 flex-1">
@@ -79,8 +90,11 @@ function NotificationRow({ row }: { row: Notification }) {
         </p>
       </div>
       {!row.read && (
-        <Badge variant="secondary" className="text-[10px] uppercase">
-          Yeni
+        <Badge
+          variant={isWarning ? "destructive" : "secondary"}
+          className="text-[10px] uppercase"
+        >
+          {isWarning ? "Dikkat" : "Yeni"}
         </Badge>
       )}
       {link && (
diff --git a/src/lib/appwrite/connection-actions.ts b/src/lib/appwrite/connection-actions.ts
index b3c4c2e..b542fb7 100644
--- a/src/lib/appwrite/connection-actions.ts
+++ b/src/lib/appwrite/connection-actions.ts
@@ -278,6 +278,15 @@ export async function rejectConnectionAction(
       entityId: connectionId,
       changes: { status: "rejected" },
     });
+    // Tell the requester their request was turned down — warning, not info.
+    const requesterTenant =
+      conn.clinicTenantId === ctx.tenantId ? conn.labTenantId : conn.clinicTenantId;
+    void createNotification({
+      tenantId: requesterTenant,
+      connectionId,
+      severity: "warning",
+      message: `${ctx.settings?.companyName ?? "Karşı taraf"} bağlantı talebinizi reddetti.`,
+    });
   } catch (e) {
     return { ok: false, error: appwriteError(e, "Reddedilemedi.") };
   }
diff --git a/src/lib/appwrite/job-actions.ts b/src/lib/appwrite/job-actions.ts
index 141bc45..44df4af 100644
--- a/src/lib/appwrite/job-actions.ts
+++ b/src/lib/appwrite/job-actions.ts
@@ -664,6 +664,7 @@ export async function requestRevisionAction(
     void createNotification({
       tenantId: job.labTenantId,
       jobId,
+      severity: "warning",
       message: `Hasta ${job.patientCode} ${stepLabel} provası için düzeltme istendi: ${note.slice(0, 120)}`,
     });
   } catch (e) {
@@ -773,6 +774,16 @@ export async function cancelJobAction(
       entityId: jobId,
       changes: { status: "cancelled" },
     });
+    // Notify the other side — cancellation is a warning, not normal traffic.
+    const otherTenantId =
+      ctx.tenantId === job.clinicTenantId ? job.labTenantId : job.clinicTenantId;
+    const actor = ctx.kind === "lab" ? "Laboratuvar" : "Klinik";
+    void createNotification({
+      tenantId: otherTenantId,
+      jobId,
+      severity: "warning",
+      message: `${actor} hasta ${job.patientCode} işini iptal etti.`,
+    });
   } catch (e) {
     return { ok: false, error: appwriteError(e, "İptal edilemedi.") };
   }
diff --git a/src/lib/appwrite/notification-helpers.ts b/src/lib/appwrite/notification-helpers.ts
index 8c67e9a..7e4c8e6 100644
--- a/src/lib/appwrite/notification-helpers.ts
+++ b/src/lib/appwrite/notification-helpers.ts
@@ -2,7 +2,12 @@ import "server-only";
 
 import { ID, Permission, Query, Role } from "node-appwrite";
 
-import { DATABASE_ID, TABLES, type Notification } from "./schema";
+import {
+  DATABASE_ID,
+  TABLES,
+  type Notification,
+  type NotificationSeverity,
+} from "./schema";
 import { createAdminClient } from "./server";
 import { toPlain } from "./serialize";
 
@@ -12,6 +17,9 @@ type CreateNotificationInput = {
   jobId?: string;
   connectionId?: string;
   message: string;
+  /** Defaults to 'info'. Use 'warning' for things that need the user's
+   *  attention (revision, cancellation, rejections). */
+  severity?: NotificationSeverity;
 };
 
 /**
@@ -32,6 +40,7 @@ export async function createNotification(input: CreateNotificationInput): Promis
         connectionId: input.connectionId,
         message: input.message.slice(0, 500),
         read: false,
+        severity: input.severity ?? "info",
       },
       [
         Permission.read(Role.team(input.tenantId)),
diff --git a/src/lib/appwrite/payment-actions.ts b/src/lib/appwrite/payment-actions.ts
index 761673f..ad3c23c 100644
--- a/src/lib/appwrite/payment-actions.ts
+++ b/src/lib/appwrite/payment-actions.ts
@@ -269,6 +269,7 @@ export async function rejectPaymentAction(
     });
     void createNotification({
       tenantId: row.tenantId,
+      severity: "warning",
       message: `Ödeme bildiriminiz reddedildi: ${row.amount.toLocaleString("tr-TR")} ${row.currency}.`,
     });
   } catch (e) {
diff --git a/src/lib/appwrite/schema.ts b/src/lib/appwrite/schema.ts
index 76902b0..053cb90 100644
--- a/src/lib/appwrite/schema.ts
+++ b/src/lib/appwrite/schema.ts
@@ -194,6 +194,8 @@ export interface Payment extends Row {
   recordedBy: string;
 }
 
+export type NotificationSeverity = "info" | "warning";
+
 export interface Notification extends Row {
   tenantId: string;
   userId?: string;
@@ -201,6 +203,9 @@ export interface Notification extends Row {
   connectionId?: string;
   message: string;
   read: boolean;
+  /** Visual + filtering hint. 'warning' for things requiring attention
+   *  (revision request, cancellation, payment / connection rejection). */
+  severity?: NotificationSeverity;
 }
 
 export type AuditAction = "create" | "update" | "delete";