Removed the syncing with firestore

RIT-EVENT-MANAGEMENT--main/components/CreateEventForm.tsx

@@ -27,6 +27,22 @@ const CreateEventForm: React.FC<CreateEventFormProps> = ({ onCancel, onSuccess,
     }
   };
 
+  const parseDateTimeForInput = (dateStr?: string) => {
+    if (!dateStr) return '';
+    try {
+      const date = new Date(dateStr);
+      if (isNaN(date.getTime())) return '';
+      const yyyy = date.getFullYear();
+      const mm = String(date.getMonth() + 1).padStart(2, '0');
+      const dd = String(date.getDate()).padStart(2, '0');
+      const hh = String(date.getHours()).padStart(2, '0');
+      const min = String(date.getMinutes()).padStart(2, '0');
+      return `${yyyy}-${mm}-${dd}T${hh}:${min}`;
+    } catch {
+      return '';
+    }
+  };
+
   const mapDBRowToEvent = (row: any): Event => ({
     ...row,
     registrationDeadline: row.registration_deadline,
@@ -88,7 +104,7 @@ const CreateEventForm: React.FC<CreateEventFormProps> = ({ onCancel, onSuccess,
     coordinator: eventToEdit?.coordinator || '',
     club: eventToEdit?.club || '',
     image: eventToEdit?.image || '',
-    registrationDeadline: eventToEdit?.registrationDeadline || '',
+    registrationDeadline: eventToEdit?.registrationDeadline ? parseDateTimeForInput(eventToEdit.registrationDeadline) : '',
     maxParticipants: eventToEdit?.maxParticipants?.toString() || '',
     durationDays: eventToEdit?.durationDays?.toString() || '1',
     event_summary: eventToEdit?.event_summary || '',
@@ -347,6 +363,23 @@ const CreateEventForm: React.FC<CreateEventFormProps> = ({ onCancel, onSuccess,
       return;
     }
 
+    if (formData.registrationDeadline) {
+      const deadline = new Date(formData.registrationDeadline);
+      if (isNaN(deadline.getTime())) {
+        alert("Please enter a valid registration deadline.");
+        return;
+      }
+      if (!eventToEdit && deadline < new Date()) {
+        alert("Validation Error: Registration deadline cannot be in the past.");
+        return;
+      }
+      const eventStart = new Date(formData.dayConfigs[0]?.date || formData.date);
+      if (!isNaN(eventStart.getTime()) && deadline > eventStart) {
+        alert("Validation Error: Registration deadline cannot be after the event start date.");
+        return;
+      }
+    }
+
     setIsSubmitting(true);
     try {
       // Keep Base64 string directly in the database, ignoring Firebase/Supabase storage
@@ -869,7 +902,7 @@ const CreateEventForm: React.FC<CreateEventFormProps> = ({ onCancel, onSuccess,
           <div className="bg-slate-50/50 border border-slate-100 rounded-3xl p-8 space-y-8">
             <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
               <div className="space-y-2">
-                <label className="text-[9px] font-black text-slate-400 uppercase tracking-widest px-1">Closing Deadline</label>
+                <label className="text-[9px] font-black text-slate-400 uppercase tracking-widest px-1">Registration Closing Deadline</label>
                 <input type="datetime-local" className="w-full bg-white border border-slate-200 rounded-2xl px-6 py-4 text-slate-900 font-bold text-sm outline-none shadow-sm" value={formData.registrationDeadline} onChange={e => setFormData({ ...formData, registrationDeadline: e.target.value })} />
               </div>
               <div className="space-y-2">