check headr file import peserta

src/resources/views/admin/programs/participants/import.blade.php

@@ -18,8 +18,28 @@
         @if(session('import_result'))
         @php $r = session('import_result'); @endphp
 
+        {{-- Invalid headers --}}
+        @if(!empty($r['invalid_headers']))
+        <div class="card border-0 shadow-sm mb-4 border-start border-4 border-danger">
+            <div class="card-body">
+                <h6 class="fw-semibold mb-2 text-danger">
+                    <i class="bi bi-x-circle me-2"></i>Format Header CSV Tidak Sah
+                </h6>
+                <p class="small text-muted mb-2">
+                    Baris pertama fail CSV mesti mengandungi header yang betul mengikut susunan ini:
+                </p>
+                <code class="d-block bg-light p-2 rounded small mb-3">name,no_kp,email,phone,agency</code>
+                @if(!empty($r['found_headers']))
+                <p class="small text-muted mb-0">
+                    <i class="bi bi-exclamation-triangle text-warning me-1"></i>
+                    Header yang dijumpai: <code>{{ $r['found_headers'] }}</code>
+                </p>
+                @endif
+            </div>
+        </div>
+
         {{-- All IC empty — offer delete --}}
-        @if(!empty($r['all_empty_ic']))
+        @elseif(!empty($r['all_empty_ic']))
         <div class="card border-0 shadow-sm mb-4 border-start border-4 border-warning">
             <div class="card-body">
                 <h6 class="fw-semibold mb-2 text-warning">
@@ -41,6 +61,7 @@
             </div>
         </div>
         @else
+        {{-- Normal import result --}}
         <div class="card border-0 shadow-sm mb-4 border-start border-4
             {{ $r['failed'] > 0 ? 'border-warning' : 'border-success' }}">
             <div class="card-body">