diff --git a/app/(admin)/admin/booking/[id]/page.tsx b/app/(admin)/admin/booking/[id]/page.tsx
index 47b134e..eda1ac4 100644
--- a/app/(admin)/admin/booking/[id]/page.tsx
+++ b/app/(admin)/admin/booking/[id]/page.tsx
@@ -368,7 +368,7 @@ export default function AppointmentDetailPage() {
             )}
 
             {/* Preferred Dates & Times */}
-            {(appointment.preferred_dates?.length > 0 || appointment.preferred_time_slots?.length > 0) && (
+            {((appointment.preferred_dates && appointment.preferred_dates.length > 0) || (appointment.preferred_time_slots && appointment.preferred_time_slots.length > 0)) && (
               <div className={`rounded-2xl border shadow-sm overflow-hidden ${isDark ? "bg-gray-800 border-gray-700" : "bg-white border-gray-200"}`}>
                 <div className={`px-6 py-4 border-b ${isDark ? "border-gray-700 bg-gray-800/50" : "border-gray-200 bg-gray-50/50"}`}>
                   <h2 className={`text-lg font-semibold ${isDark ? "text-white" : "text-gray-900"}`}>
@@ -376,37 +376,53 @@ export default function AppointmentDetailPage() {
                   </h2>
                 </div>
                 <div className="p-6 space-y-6">
-                  {appointment.preferred_dates && appointment.preferred_dates.length > 0 && (
+                  {appointment.preferred_dates && (
                     <div>
                       <p className={`text-sm font-medium mb-3 ${isDark ? "text-gray-400" : "text-gray-500"}`}>
                         Preferred Dates
                       </p>
                       <div className="flex flex-wrap gap-2">
-                        {appointment.preferred_dates.map((date, idx) => (
+                        {Array.isArray(appointment.preferred_dates) ? (
+                          (appointment.preferred_dates as string[]).map((date, idx) => (
                           <span
                             key={idx}
                             className={`px-4 py-2 rounded-lg text-sm font-medium ${isDark ? "bg-gray-700 text-gray-200 border border-gray-600" : "bg-gray-100 text-gray-700 border border-gray-200"}`}
                           >
                             {formatShortDate(date)}
                           </span>
-                        ))}
+                          ))
+                        ) : (
+                          <span
+                            className={`px-4 py-2 rounded-lg text-sm font-medium ${isDark ? "bg-gray-700 text-gray-200 border border-gray-600" : "bg-gray-100 text-gray-700 border border-gray-200"}`}
+                          >
+                            {appointment.preferred_dates_display || appointment.preferred_dates || 'N/A'}
+                          </span>
+                        )}
                       </div>
                     </div>
                   )}
-                  {appointment.preferred_time_slots && appointment.preferred_time_slots.length > 0 && (
+                  {appointment.preferred_time_slots && (
                     <div>
                       <p className={`text-sm font-medium mb-3 ${isDark ? "text-gray-400" : "text-gray-500"}`}>
                         Preferred Time Slots
                       </p>
                       <div className="flex flex-wrap gap-2">
-                        {appointment.preferred_time_slots.map((slot, idx) => (
+                        {Array.isArray(appointment.preferred_time_slots) ? (
+                          (appointment.preferred_time_slots as string[]).map((slot, idx) => (
                           <span
                             key={idx}
                             className={`px-4 py-2 rounded-lg text-sm font-medium capitalize ${isDark ? "bg-rose-500/20 text-rose-300 border border-rose-500/30" : "bg-rose-50 text-rose-700 border border-rose-200"}`}
                           >
                             {slot}
                           </span>
-                        ))}
+                          ))
+                        ) : (
+                          <span
+                            className={`px-4 py-2 rounded-lg text-sm font-medium capitalize ${isDark ? "bg-rose-500/20 text-rose-300 border border-rose-500/30" : "bg-rose-50 text-rose-700 border border-rose-200"}`}
+                          >
+                            {appointment.preferred_time_slots_display || appointment.preferred_time_slots || 'N/A'}
+                          </span>
+                        )}
                       </div>
                     </div>
                   )}
@@ -635,15 +651,15 @@ export default function AppointmentDetailPage() {
               <div className={`rounded-2xl border shadow-sm overflow-hidden ${isDark ? "bg-gradient-to-br from-blue-900/20 to-purple-900/20 border-blue-800/30" : "bg-gradient-to-br from-blue-50 to-purple-50 border-blue-200"}`}>
                 <div className="p-6">
                   {appointment.can_join_meeting ? (
-                    <a
-                      href={appointment.jitsi_meet_url}
-                      target="_blank"
-                      rel="noopener noreferrer"
-                      className={`flex items-center justify-center gap-2 w-full bg-blue-600 hover:bg-blue-700 text-white h-12 rounded-lg text-base font-medium transition-colors`}
-                    >
-                      <Video className="w-5 h-5" />
-                      Join Meeting
-                    </a>
+                  <a
+                    href={appointment.jitsi_meet_url}
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className={`flex items-center justify-center gap-2 w-full bg-blue-600 hover:bg-blue-700 text-white h-12 rounded-lg text-base font-medium transition-colors`}
+                  >
+                    <Video className="w-5 h-5" />
+                    Join Meeting
+                  </a>
                   ) : (
                     <button
                       disabled
diff --git a/app/(admin)/admin/booking/page.tsx b/app/(admin)/admin/booking/page.tsx
index c1850c9..5000de8 100644
--- a/app/(admin)/admin/booking/page.tsx
+++ b/app/(admin)/admin/booking/page.tsx
@@ -200,13 +200,15 @@ export default function Booking() {
 
     try {
       // Build availability_schedule format: {"0": ["morning", "evening"], "1": ["afternoon"]}
-      const availabilitySchedule: Record<string, string[]> = {};
+      const availabilitySchedule: Record<string, ("morning" | "afternoon" | "evening")[]> = {};
       selectedDays.forEach(day => {
         const timeSlots = dayTimeSlots[day];
         if (timeSlots && timeSlots.length > 0) {
           // Ensure only valid time slots and remove duplicates
           const validSlots = timeSlots
-            .filter(slot => ["morning", "afternoon", "evening"].includes(slot))
+            .filter((slot): slot is "morning" | "afternoon" | "evening" => 
+              ["morning", "afternoon", "evening"].includes(slot)
+            )
             .filter((slot, index, self) => self.indexOf(slot) === index); // Remove duplicates
           
           if (validSlots.length > 0) {
@@ -677,13 +679,19 @@ export default function Booking() {
                           </span>
                         </td>
                         <td className={`px-3 sm:px-4 md:px-6 py-4 whitespace-nowrap text-xs sm:text-sm hidden lg:table-cell ${isDark ? "text-gray-400" : "text-gray-500"}`}>
-                          {appointment.preferred_dates && appointment.preferred_dates.length > 0 ? (
+                          {appointment.preferred_dates ? (
                             <div className="flex flex-col gap-1">
-                              {appointment.preferred_dates.slice(0, 2).map((date, idx) => (
-                                <span key={idx}>{formatDate(date)}</span>
-                              ))}
-                              {appointment.preferred_dates.length > 2 && (
-                                <span className="text-xs">+{appointment.preferred_dates.length - 2} more</span>
+                              {Array.isArray(appointment.preferred_dates) ? (
+                                <>
+                                  {(appointment.preferred_dates as string[]).slice(0, 2).map((date, idx) => (
+                                    <span key={idx}>{formatDate(date)}</span>
+                                  ))}
+                                  {appointment.preferred_dates.length > 2 && (
+                                    <span className="text-xs">+{appointment.preferred_dates.length - 2} more</span>
+                                  )}
+                                </>
+                              ) : (
+                                <span>{appointment.preferred_dates_display || appointment.preferred_dates}</span>
                               )}
                             </div>
                           ) : (
diff --git a/app/(admin)/admin/dashboard/page.tsx b/app/(admin)/admin/dashboard/page.tsx
index 2c3e3c8..d120681 100644
--- a/app/(admin)/admin/dashboard/page.tsx
+++ b/app/(admin)/admin/dashboard/page.tsx
@@ -272,7 +272,7 @@ export default function Dashboard() {
                         <div className={`p-2 sm:p-2.5 rounded-lg ${isDark ? "bg-gray-700" : "bg-gray-50"}`}>
                           <Icon className={`w-4 h-4 sm:w-5 sm:h-5 ${isDark ? "text-gray-200" : "text-gray-600"}`} />
                         </div>
-                        {card.showTrend !== false && card.trend && (
+                        {card.trend && (
                           <div className={`flex items-center gap-1 px-2 py-1 rounded-full text-xs font-medium ${getTrendClasses(card.trendUp)}`}>
                             {card.trendUp ? (
                               <ArrowUpRight className="w-3 h-3" />
@@ -291,11 +291,9 @@ export default function Dashboard() {
                         <p className={`text-xl sm:text-2xl font-bold mb-1 ${isDark ? "text-white" : "text-gray-900"}`}>
                           {card.value}
                         </p>
-                        {card.showTrend !== false && (
-                          <p className={`text-xs ${isDark ? "text-gray-400" : "text-gray-500"}`}>
-                            vs last month
-                          </p>
-                        )}
+                        <p className={`text-xs ${isDark ? "text-gray-400" : "text-gray-500"}`}>
+                          vs last month
+                        </p>
                       </div>
                     </div>
                   );
diff --git a/hooks/useAppointments.ts b/hooks/useAppointments.ts
index da49cba..0ab8800 100644
--- a/hooks/useAppointments.ts
+++ b/hooks/useAppointments.ts
@@ -138,11 +138,16 @@ export function useAppointments(options?: {
     staleTime: 1 * 60 * 1000, // 1 minute
   });
 
-  // Get user appointment stats query
+  // Get user appointment stats query - disabled because it requires email parameter
+  // Use getUserAppointmentStats(email) directly where email is available
   const userAppointmentStatsQuery = useQuery<UserAppointmentStats>({
     queryKey: ["appointments", "user", "stats"],
-    queryFn: () => getUserAppointmentStats(),
-    enabled: enableStats,
+    queryFn: async () => {
+      // This query is disabled - getUserAppointmentStats requires email parameter
+      // Use getUserAppointmentStats(email) directly in components where email is available
+      return {} as UserAppointmentStats;
+    },
+    enabled: false, // Disabled - requires email parameter which hook doesn't have access to
     staleTime: 1 * 60 * 1000, // 1 minute
   });