diff --git a/src/components/NotificationsDropdown.tsx b/src/components/NotificationsDropdown.tsx
index e1d16e3..8fae2ae 100644
--- a/src/components/NotificationsDropdown.tsx
+++ b/src/components/NotificationsDropdown.tsx
@@ -44,7 +44,6 @@ const NotificationsDropdown: React.FC = () => {
   const { notifications, unreadNotifications, refreshUserData, friends } = useAuth();
   const navigate = useNavigate();
   const [localNotifications, setLocalNotifications] = React.useState<Notification[]>(notifications);
-  const [dismissedIds, setDismissedIds] = React.useState<Set<string>>(new Set());
 
   React.useEffect(() => {
     setLocalNotifications(notifications);
@@ -54,7 +53,10 @@ const NotificationsDropdown: React.FC = () => {
     const result = await acceptFriendRequest(auth.currentUser?.uid || '', senderId);
     if (result) {
       toast.success('Friend request accepted');
-      setDismissedIds(prev => new Set(prev).add(notificationId));
+      await markNotificationAsRead(auth.currentUser?.uid || '', notificationId);
+      setLocalNotifications(prev =>
+        prev.map(n => n.id === notificationId ? { ...n, read: true } : n)
+      );
       refreshUserData();
     } else {
       toast.error('Failed to accept friend request');
@@ -65,7 +67,10 @@ const NotificationsDropdown: React.FC = () => {
     const result = await declineFriendRequest(auth.currentUser?.uid || '', senderId);
     if (result) {
       toast.success('Friend request declined');
-      setDismissedIds(prev => new Set(prev).add(notificationId));
+      await markNotificationAsRead(auth.currentUser?.uid || '', notificationId);
+      setLocalNotifications(prev =>
+        prev.map(n => n.id === notificationId ? { ...n, read: true } : n)
+      );
       refreshUserData();
     } else {
       toast.error('Failed to decline friend request');
@@ -132,7 +137,6 @@ const NotificationsDropdown: React.FC = () => {
           {localNotifications && localNotifications.length > 0 ? (
             <DropdownMenuGroup>
               {localNotifications
-                .filter(n => !dismissedIds.has(n.id))
                 .sort((a, b) => {
                   let aTime: number;
                   let bTime: number;
@@ -159,7 +163,7 @@ const NotificationsDropdown: React.FC = () => {
                 .map((notification, index) => (
                   <React.Fragment key={notification.id || index}>
                     {notification.type === 'friendRequest' && notification.senderInfo ? (
-                      <div className={`px-2 py-2 hover:bg-accent flex items-center justify-between ${!notification.read ? 'bg-accent/40' : ''}`}>
+                      <div className={`px-2 py-2 hover:bg-accent flex items-center justify-between ${!notification.read ? 'bg-accent/40' : 'opacity-60'}`}>
                         <div className="flex items-center">
                           {notification.senderInfo && (
                             <Avatar className="h-8 w-8 mr-2">
@@ -175,24 +179,26 @@ const NotificationsDropdown: React.FC = () => {
                             </p>
                           </div>
                         </div>
-                        <div className="flex space-x-1">
-                          <Button 
-                            size="sm" 
-                            variant="outline" 
-                            onClick={() => handleAcceptFriendRequest(notification.senderInfo!.id, notification.id)}
-                            className="h-7 w-7 p-0"
-                          >
-                            <Check className="h-4 w-4" />
-                          </Button>
-                          <Button 
-                            size="sm" 
-                            variant="outline" 
-                            onClick={() => handleDeclineFriendRequest(notification.senderInfo!.id, notification.id)}
-                            className="h-7 w-7 p-0"
-                          >
-                            <X className="h-4 w-4" />
-                          </Button>
-                        </div>
+                        {!notification.read && (
+                          <div className="flex space-x-1">
+                            <Button 
+                              size="sm" 
+                              variant="outline" 
+                              onClick={() => handleAcceptFriendRequest(notification.senderInfo!.id, notification.id)}
+                              className="h-7 w-7 p-0"
+                            >
+                              <Check className="h-4 w-4" />
+                            </Button>
+                            <Button 
+                              size="sm" 
+                              variant="outline" 
+                              onClick={() => handleDeclineFriendRequest(notification.senderInfo!.id, notification.id)}
+                              className="h-7 w-7 p-0"
+                            >
+                              <X className="h-4 w-4" />
+                            </Button>
+                          </div>
+                        )}
                       </div>
                     ) : (
                       <DropdownMenuItem 
diff --git a/src/components/RelapseCalendar.tsx b/src/components/RelapseCalendar.tsx
index 82f7901..d479ef0 100644
--- a/src/components/RelapseCalendar.tsx
+++ b/src/components/RelapseCalendar.tsx
@@ -1,16 +1,29 @@
 
 import React, { useState, useEffect } from 'react';
 import { Calendar } from '@/components/ui/calendar';
-import { getRelapseCalendarData, getRelapseData } from '../utils/firebase';
+import { getRelapseCalendarData, getRelapseData, updateCalendarDay } from '../utils/firebase';
 import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from '@/components/ui/tooltip';
 import { Card } from '@/components/ui/card';
 import { isSameDay, differenceInDays } from 'date-fns';
 import { motion } from 'framer-motion';
 import { DayContentProps } from 'react-day-picker';
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogFooter,
+} from '@/components/ui/dialog';
+import { Button } from '@/components/ui/button';
+import { Label } from '@/components/ui/label';
+import { Input } from '@/components/ui/input';
+import { Textarea } from '@/components/ui/textarea';
+import { toast } from 'sonner';
 
 interface RelapseCalendarProps {
   userId?: string;
   showStats?: boolean;
+  editable?: boolean;
 }
 
 interface DayInfo {
@@ -22,42 +35,87 @@ interface DayInfo {
   } | null;
 }
 
-const RelapseCalendar: React.FC<RelapseCalendarProps> = ({ userId, showStats = false }) => {
+const RelapseCalendar: React.FC<RelapseCalendarProps> = ({ userId, showStats = false, editable = false }) => {
   const [calendarData, setCalendarData] = useState<DayInfo[]>([]);
   const [isLoading, setIsLoading] = useState(true);
   const [month, setMonth] = useState<Date>(new Date());
   const [stats, setStats] = useState({ cleanDays: 0, relapseDays: 0, netGrowth: 0 });
 
-  useEffect(() => {
-    const fetchData = async () => {
-      if (!userId) {
-        setIsLoading(false);
-        return;
-      }
+  // Edit dialog state
+  const [editDialogOpen, setEditDialogOpen] = useState(false);
+  const [selectedDay, setSelectedDay] = useState<Date | null>(null);
+  const [selectedDayData, setSelectedDayData] = useState<DayInfo | null>(null);
+  const [editMarkAsRelapse, setEditMarkAsRelapse] = useState(false);
+  const [editTriggers, setEditTriggers] = useState('');
+  const [editNotes, setEditNotes] = useState('');
+  const [isSaving, setIsSaving] = useState(false);
 
-      try {
-        setIsLoading(true);
-        // Get calendar visualization data
-        const data = await getRelapseCalendarData(userId);
-        setCalendarData(data);
-        
-        // Get analytics data for accurate stats
-        const relapseData = await getRelapseData(userId, 'all');
-        setStats({
-          cleanDays: relapseData.cleanDays,
-          relapseDays: relapseData.relapseDays,
-          netGrowth: relapseData.netGrowth
-        });
-      } catch (error) {
-        console.error('Error fetching calendar data:', error);
-      } finally {
-        setIsLoading(false);
-      }
-    };
+  const fetchData = async () => {
+    if (!userId) {
+      setIsLoading(false);
+      return;
+    }
+
+    try {
+      setIsLoading(true);
+      // Get calendar visualization data
+      const data = await getRelapseCalendarData(userId);
+      setCalendarData(data);
+      
+      // Get analytics data for accurate stats
+      const relapseData = await getRelapseData(userId, 'all');
+      setStats({
+        cleanDays: relapseData.cleanDays,
+        relapseDays: relapseData.relapseDays,
+        netGrowth: relapseData.netGrowth
+      });
+    } catch (error) {
+      console.error('Error fetching calendar data:', error);
+    } finally {
+      setIsLoading(false);
+    }
+  };
 
+  useEffect(() => {
     fetchData();
   }, [userId]);
 
+  const handleDayClick = (day: Date) => {
+    if (!editable || !userId) return;
+    const dayData = calendarData.find(d => isSameDay(d.date, day)) || null;
+    setSelectedDay(day);
+    setSelectedDayData(dayData);
+    setEditMarkAsRelapse(dayData?.hadRelapse ?? false);
+    setEditTriggers(dayData?.relapseInfo?.triggers ?? '');
+    setEditNotes(dayData?.relapseInfo?.notes ?? '');
+    setEditDialogOpen(true);
+  };
+
+  const handleSaveEdit = async () => {
+    if (!userId || !selectedDay) return;
+    setIsSaving(true);
+    try {
+      const success = await updateCalendarDay(
+        userId,
+        selectedDay,
+        editMarkAsRelapse,
+        editMarkAsRelapse ? editTriggers : undefined,
+        editMarkAsRelapse ? editNotes : undefined
+      );
+      if (success) {
+        toast.success(editMarkAsRelapse ? 'Day marked as relapse' : 'Day marked as clean');
+        setEditDialogOpen(false);
+        await fetchData();
+      } else {
+        toast.error('Failed to update day');
+      }
+    } catch (error) {
+      toast.error('Failed to update day');
+    } finally {
+      setIsSaving(false);
+    }
+  };
+
   // Custom day rendering with dots for relapse status
   const renderDay = (props: DayContentProps) => {
     const day = props.date;
@@ -72,7 +130,10 @@ const RelapseCalendar: React.FC<RelapseCalendarProps> = ({ userId, showStats = f
     return (
       <Tooltip>
         <TooltipTrigger asChild>
-          <div className="relative w-full h-full flex items-center justify-center">
+          <div
+            className={`relative w-full h-full flex items-center justify-center ${editable ? 'cursor-pointer' : ''}`}
+            onClick={editable ? () => handleDayClick(day) : undefined}
+          >
             <div className="w-7 h-7 flex items-center justify-center">
               {day.getDate()}
             </div>
@@ -93,6 +154,7 @@ const RelapseCalendar: React.FC<RelapseCalendarProps> = ({ userId, showStats = f
             ) : (
               <p className="text-green-500">Clean day</p>
             )}
+            {editable && <p className="text-xs text-muted-foreground mt-1">Click to edit</p>}
           </div>
         </TooltipContent>
       </Tooltip>
@@ -120,6 +182,9 @@ const RelapseCalendar: React.FC<RelapseCalendarProps> = ({ userId, showStats = f
           </div>
         ) : (
           <Card className="p-4 w-full">
+            {editable && (
+              <p className="text-xs text-muted-foreground mb-2 text-center">Click any day to mark it as clean or relapse</p>
+            )}
             <Calendar 
               mode="default"
               month={month}
@@ -155,6 +220,63 @@ const RelapseCalendar: React.FC<RelapseCalendarProps> = ({ userId, showStats = f
             </div>
           </Card>
         )}
+
+        {/* Edit day dialog */}
+        <Dialog open={editDialogOpen} onOpenChange={setEditDialogOpen}>
+          <DialogContent>
+            <DialogHeader>
+              <DialogTitle>
+                Edit Day – {selectedDay ? new Intl.DateTimeFormat('en-US', { month: 'long', day: 'numeric', year: 'numeric' }).format(selectedDay) : ''}
+              </DialogTitle>
+            </DialogHeader>
+            <div className="space-y-4 py-2">
+              <div className="flex gap-3">
+                <Button
+                  variant={editMarkAsRelapse ? 'outline' : 'default'}
+                  className={!editMarkAsRelapse ? 'bg-green-600 hover:bg-green-700 text-white' : ''}
+                  onClick={() => setEditMarkAsRelapse(false)}
+                >
+                  Clean Day
+                </Button>
+                <Button
+                  variant={editMarkAsRelapse ? 'destructive' : 'outline'}
+                  onClick={() => setEditMarkAsRelapse(true)}
+                >
+                  Relapse Day
+                </Button>
+              </div>
+
+              {editMarkAsRelapse && (
+                <>
+                  <div className="space-y-1">
+                    <Label htmlFor="edit-triggers">Triggers</Label>
+                    <Input
+                      id="edit-triggers"
+                      placeholder="What triggered this?"
+                      value={editTriggers}
+                      onChange={e => setEditTriggers(e.target.value)}
+                    />
+                  </div>
+                  <div className="space-y-1">
+                    <Label htmlFor="edit-notes">Notes (optional)</Label>
+                    <Textarea
+                      id="edit-notes"
+                      placeholder="Any additional notes..."
+                      value={editNotes}
+                      onChange={e => setEditNotes(e.target.value)}
+                    />
+                  </div>
+                </>
+              )}
+            </div>
+            <DialogFooter>
+              <Button variant="outline" onClick={() => setEditDialogOpen(false)}>Cancel</Button>
+              <Button onClick={handleSaveEdit} disabled={isSaving}>
+                {isSaving ? 'Saving...' : 'Save'}
+              </Button>
+            </DialogFooter>
+          </DialogContent>
+        </Dialog>
       </div>
     </TooltipProvider>
   );
diff --git a/src/pages/Analytics.tsx b/src/pages/Analytics.tsx
index 60ff3a3..baf9437 100644
--- a/src/pages/Analytics.tsx
+++ b/src/pages/Analytics.tsx
@@ -306,7 +306,7 @@ const Analytics: React.FC = () => {
               </CardHeader>
               <CardContent>
                 <div className="space-y-6">
-                  <RelapseCalendar userId={currentUser?.uid} />
+                  <RelapseCalendar userId={currentUser?.uid} editable={true} />
 
                   <div className="grid grid-cols-3 gap-4 mt-6">
                     <div className="bg-green-50 dark:bg-green-900/20 p-4 rounded-lg text-center">
diff --git a/src/utils/firebase.ts b/src/utils/firebase.ts
index 98d1c88..3fe48c6 100644
--- a/src/utils/firebase.ts
+++ b/src/utils/firebase.ts
@@ -1236,6 +1236,43 @@ export const getAllUsernames = async (): Promise<UserProfile[]> => {
   }
 };
 
+export const updateCalendarDay = async (
+  userId: string,
+  date: Date,
+  markAsRelapse: boolean,
+  triggers?: string,
+  notes?: string
+): Promise<boolean> => {
+  try {
+    const userDocRef = doc(db, 'users', userId);
+    const userDoc = await getDoc(userDocRef);
+
+    if (!userDoc.exists()) return false;
+
+    const userData = userDoc.data();
+    const relapses: Relapse[] = userData.relapses || [];
+    const targetDay = startOfDay(date);
+
+    // Remove any existing relapse entry for this day
+    const filtered = relapses.filter(
+      r => !isSameDay(startOfDay(r.timestamp.toDate()), targetDay)
+    );
+
+    if (markAsRelapse) {
+      // Add a new relapse entry for this day at noon to avoid timezone edge cases
+      const relapseDate = new Date(targetDay);
+      relapseDate.setHours(12, 0, 0, 0);
+      filtered.push({
+        timestamp: Timestamp.fromDate(relapseDate),
+        triggers: triggers || '',
+        notes: notes || ''
+      });
+    }
+
+    await updateDoc(userDocRef, { relapses: filtered });
+    return true;
+  } catch (error) {
+    console.error('Error updating calendar day:', error);
 export const adminUpdateUser = async (userId: string, updates: { role?: 'admin' | 'member'; streakDays?: number }): Promise<boolean> => {
   try {
     const userRef = doc(db, 'users', userId);