feat: susun semula layout urus template sijil

- Panduan Template di bahagian atas, boleh lipat/kembang
- Template Aktif (kiri) bersebelahan Konfigurasi Teks (kanan) — col-lg-6
- Auto-detect portrait/landscape dari naturalWidth/naturalHeight imej
- Portrait: max-height 520px | Landscape: max-height 340px
- Badge orientasi (hijau=Landscape, biru=Portrait) dalam header kad
- Laras tinggi juga untuk pratonton upload form

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

resources/views/admin/programs/template/show.blade.php

@@ -17,14 +17,71 @@
 
 @section('content')
 
-<div class="row g-4">
+@php
-    {{-- Left: Current template --}}
+    $config    = $template?->config_json ?? [];
-    <div class="col-md-7">
+    $fields    = $config['fields'] ?? [];
+    $imgWidth  = $config['width']  ?? 0;
+    $imgHeight = $config['height'] ?? 0;
+    $isPortrait = $imgHeight > $imgWidth && $imgWidth > 0;
+@endphp
 
-        @if($template)
+{{-- ── Panduan Template (atas, boleh lipat) ────────────────────────────── --}}
-        <div class="card border-0 shadow-sm mb-4">
+<div class="card border-0 bg-light mb-4">
+    <div class="card-header bg-transparent border-0 py-2 d-flex justify-content-between align-items-center"
+         role="button" data-bs-toggle="collapse" data-bs-target="#guidePanel" aria-expanded="false">
+        <span class="fw-semibold small"><i class="bi bi-info-circle me-2 text-primary"></i>Panduan Template</span>
+        <i class="bi bi-chevron-down small text-muted" id="guideChevron"></i>
+    </div>
+    <div class="collapse" id="guidePanel">
+        <div class="card-body pt-0 pb-3">
+            <div class="row g-3">
+                <div class="col-md-4">
+                    <div class="d-flex gap-2">
+                        <i class="bi bi-aspect-ratio text-primary mt-1 flex-shrink-0"></i>
+                        <div class="small text-muted">
+                            Resolusi disyorkan <strong>1754 × 1240px</strong> (A4 landscape 150dpi)
+                            atau <strong>1240 × 1754px</strong> (portrait).
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-4">
+                    <div class="d-flex gap-2">
+                        <i class="bi bi-cursor text-primary mt-1 flex-shrink-0"></i>
+                        <div class="small text-muted">
+                            Koordinat <strong>(0, 0)</strong> adalah sudut kiri atas imej.
+                            X bertambah ke kanan, Y bertambah ke bawah.
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-4">
+                    <div class="d-flex gap-2">
+                        <i class="bi bi-eye text-primary mt-1 flex-shrink-0"></i>
+                        <div class="small text-muted">
+                            Guna butang <strong>Pratonton</strong> untuk semak kedudukan teks
+                            sebelum jana sijil sebenar.
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+@if($template)
+
+{{-- ── Template Aktif (kiri) + Konfigurasi (kanan) ─────────────────────── --}}
+<div class="row g-4">
+
+    {{-- Kiri: Template Aktif --}}
+    <div class="col-lg-6">
+        <div class="card border-0 shadow-sm h-100">
             <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
-                <h6 class="mb-0 fw-semibold"><i class="bi bi-image me-2 text-primary"></i>Template Aktif</h6>
+                <div class="d-flex align-items-center gap-2">
+                    <h6 class="mb-0 fw-semibold"><i class="bi bi-image me-2 text-primary"></i>Template Aktif</h6>
+                    <span id="orientationBadge" class="badge bg-secondary" style="font-size:.7rem;">
+                        {{ $isPortrait ? 'Portrait' : ($imgWidth > 0 ? 'Landscape' : '—') }}
+                    </span>
+                </div>
                 <form method="POST" action="{{ route('admin.programs.template.destroy', $program) }}"
                       onsubmit="return confirm('Padam template sijil ini? Tindakan ini tidak boleh diundur.')">
                     @csrf @method('DELETE')
@@ -33,52 +90,64 @@
                     </button>
                 </form>
             </div>
-            <div class="card-body">
+            <div class="card-body d-flex flex-column">
-                <div class="text-center mb-3">
+
-                    <div class="cert-preview-wrapper border rounded overflow-hidden" style="max-height:380px;">
+                {{-- Image viewer — tinggi berubah ikut orientasi --}}
-                        <img src="{{ route('admin.programs.template.preview', $program) }}"
+                <div id="previewWrapper"
-                             id="templatePreview"
+                     class="border rounded overflow-hidden mb-2 d-flex align-items-center justify-content-center bg-light"
-                             alt="Template Preview"
+                     style="max-height:{{ $isPortrait ? '520px' : '340px' }}; transition: max-height .3s ease;">
-                             class="img-fluid w-100"
+                    <img src="{{ route('admin.programs.template.preview', $program) }}"
-                             style="object-fit:contain;">
+                         id="templatePreview"
-                    </div>
+                         alt="Template Preview"
-                    <div class="mt-2 text-muted small">{{ $template->original_filename }}</div>
+                         class="img-fluid"
+                         style="max-width:100%; max-height:{{ $isPortrait ? '520px' : '340px' }}; object-fit:contain;">
+                </div>
+                <div class="text-muted small text-center mb-3">
+                    {{ $template->original_filename }}
+                    @if($imgWidth > 0)
+                    &nbsp;·&nbsp;<span id="dimensionLabel">{{ $imgWidth }} × {{ $imgHeight }} px</span>
+                    @endif
                 </div>
 
-                {{-- Test Generate --}}
+                {{-- Jana Pratonton --}}
-                <div class="border rounded p-3 bg-light">
+                <div class="border rounded p-3 bg-light mt-auto">
-                    <label class="form-label small fw-medium">Jana Pratonton</label>
+                    <label class="form-label small fw-medium mb-2">Jana Pratonton</label>
                     <div class="row g-2">
                         <div class="col-8">
                             <input type="text" id="sampleName" class="form-control form-control-sm"
                                    value="NAMA PESERTA CONTOH" placeholder="Nama untuk pratonton">
                         </div>
                         <div class="col-4">
-                            <button type="button" id="previewBtn" class="btn btn-sm btn-primary w-100" onclick="loadPreview()">
+                            <button type="button" id="previewBtn" class="btn btn-sm btn-primary w-100"
+                                    onclick="loadPreview()">
                                 <i class="bi bi-eye me-1"></i> Pratonton
                             </button>
                         </div>
                     </div>
                 </div>
+
             </div>
         </div>
+    </div>
 
-        {{-- Config Editor --}}
+    {{-- Kanan: Konfigurasi Kedudukan Teks --}}
-        <div class="card border-0 shadow-sm">
+    <div class="col-lg-6">
+        <div class="card border-0 shadow-sm h-100">
             <div class="card-header bg-white py-3">
                 <h6 class="mb-0 fw-semibold"><i class="bi bi-sliders me-2 text-warning"></i>Konfigurasi Kedudukan Teks</h6>
             </div>
             <div class="card-body">
-                @php $config = $template->config_json ?? []; $fields = $config['fields'] ?? []; @endphp
+                <p class="text-muted small mb-3">
+                    Koordinat X dan Y dikira dari sudut kiri atas imej (piksel).
+                    @if($imgWidth > 0)
+                    Saiz imej: <strong>{{ $imgWidth }} × {{ $imgHeight }} px</strong>.
+                    @endif
+                </p>
+
                 <form method="POST" action="{{ route('admin.programs.template.config', $program) }}">
                     @csrf @method('PUT')
 
-                    <p class="text-muted small mb-3">
+                    {{-- Nama Peserta --}}
-                        Koordinat X dan Y dikira dari sudut kiri atas imej (piksel).
-                        Imej template: <strong>{{ $config['width'] ?? '—' }} × {{ $config['height'] ?? '—' }}</strong> piksel.
-                    </p>
-
-                    {{-- Name field --}}
                     <div class="card border mb-3">
                         <div class="card-header py-2 bg-light">
                             <span class="fw-medium small">Nama Peserta</span>
@@ -86,12 +155,12 @@
                         <div class="card-body py-3">
                             <div class="row g-2">
                                 <div class="col-4">
-                                    <label class="form-label small">X (Piksel)</label>
+                                    <label class="form-label small">X (px)</label>
                                     <input type="number" name="fields[name][x]" class="form-control form-control-sm"
                                            value="{{ $fields['name']['x'] ?? 800 }}">
                                 </div>
                                 <div class="col-4">
-                                    <label class="form-label small">Y (Piksel)</label>
+                                    <label class="form-label small">Y (px)</label>
                                     <input type="number" name="fields[name][y]" class="form-control form-control-sm"
                                            value="{{ $fields['name']['y'] ?? 400 }}">
                                 </div>
@@ -102,7 +171,8 @@
                                 </div>
                                 <div class="col-4">
                                     <label class="form-label small">Warna</label>
-                                    <input type="color" name="fields[name][font_color]" class="form-control form-control-color form-control-sm"
+                                    <input type="color" name="fields[name][font_color]"
+                                           class="form-control form-control-color form-control-sm"
                                            value="{{ $fields['name']['font_color'] ?? '#1a3a6b' }}">
                                 </div>
                                 <div class="col-4">
@@ -117,9 +187,9 @@
                         </div>
                     </div>
 
-                    {{-- Certificate No (optional) --}}
+                    {{-- No. Sijil (pilihan) --}}
                     <div class="card border mb-4">
-                        <div class="card-header py-2 bg-light d-flex justify-content-between">
+                        <div class="card-header py-2 bg-light d-flex justify-content-between align-items-center">
                             <span class="fw-medium small">No. Sijil <span class="text-muted">(Pilihan)</span></span>
                             <div class="form-check form-switch mb-0">
                                 <input class="form-check-input" type="checkbox" id="showCertNo"
@@ -128,15 +198,16 @@
                                 <label class="form-check-label small" for="showCertNo">Papar</label>
                             </div>
                         </div>
-                        <div class="card-body py-3" id="certNoFields" {{ isset($fields['certificate_no']) ? '' : 'style=display:none' }}>
+                        <div class="card-body py-3" id="certNoFields"
+                             {{ isset($fields['certificate_no']) ? '' : 'style=display:none' }}>
                             <div class="row g-2">
                                 <div class="col-4">
-                                    <label class="form-label small">X</label>
+                                    <label class="form-label small">X (px)</label>
                                     <input type="number" name="fields[certificate_no][x]" class="form-control form-control-sm"
                                            value="{{ $fields['certificate_no']['x'] ?? 800 }}">
                                 </div>
                                 <div class="col-4">
-                                    <label class="form-label small">Y</label>
+                                    <label class="form-label small">Y (px)</label>
                                     <input type="number" name="fields[certificate_no][y]" class="form-control form-control-sm"
                                            value="{{ $fields['certificate_no']['y'] ?? 460 }}">
                                 </div>
@@ -147,7 +218,8 @@
                                 </div>
                                 <div class="col-4">
                                     <label class="form-label small">Warna</label>
-                                    <input type="color" name="fields[certificate_no][font_color]" class="form-control form-control-color form-control-sm"
+                                    <input type="color" name="fields[certificate_no][font_color]"
+                                           class="form-control form-control-color form-control-sm"
                                            value="{{ $fields['certificate_no']['font_color'] ?? '#555555' }}">
                                 </div>
                                 <div class="col-4">
@@ -168,9 +240,15 @@
                 </form>
             </div>
         </div>
+    </div>
 
-        @else
+</div><!-- /.row -->
-        {{-- Upload Form --}}
+
+@else
+
+{{-- Tiada template — form upload --}}
+<div class="row g-4">
+    <div class="col-lg-7">
         <div class="card border-0 shadow-sm">
             <div class="card-header bg-white py-3">
                 <h6 class="mb-0 fw-semibold"><i class="bi bi-upload me-2 text-primary"></i>Muat Naik Template Sijil</h6>
@@ -178,11 +256,13 @@
             <div class="card-body">
                 <div class="alert alert-info small mb-4">
                     <i class="bi bi-lightbulb me-1"></i>
-                    Muat naik imej template sijil dalam format <strong>JPG atau PNG</strong>.
+                    Format <strong>JPG atau PNG</strong>, maksimum <strong>10MB</strong>.
-                    Saiz maksimum: <strong>10MB</strong>. Resolusi disyorkan: <strong>1754 × 1240px</strong> (A4 landscape 150dpi).
+                    Resolusi disyorkan: <strong>1754 × 1240px</strong> (A4 landscape) atau
+                    <strong>1240 × 1754px</strong> (portrait).
                 </div>
 
-                <form method="POST" action="{{ route('admin.programs.template.store', $program) }}" enctype="multipart/form-data">
+                <form method="POST" action="{{ route('admin.programs.template.store', $program) }}"
+                      enctype="multipart/form-data">
                     @csrf
                     <div class="mb-4">
                         <label class="form-label fw-medium">Fail Template <span class="text-danger">*</span></label>
@@ -195,7 +275,7 @@
 
                     <div id="imagePreviewBox" class="mb-4 d-none">
                         <label class="form-label small text-muted">Pratonton:</label>
-                        <div class="border rounded overflow-hidden">
+                        <div id="uploadPreviewWrapper" class="border rounded overflow-hidden">
                             <img id="imagePreviewEl" src="" alt="preview" class="img-fluid w-100">
                         </div>
                     </div>
@@ -206,46 +286,79 @@
                 </form>
             </div>
         </div>
-        @endif
-
-    </div>
-
-    {{-- Right: Tips --}}
-    <div class="col-md-5">
-        <div class="card border-0 bg-light">
-            <div class="card-body p-4">
-                <h6 class="fw-semibold mb-3"><i class="bi bi-info-circle me-2 text-primary"></i>Panduan Template</h6>
-                <ul class="small text-muted mb-0">
-                    <li class="mb-2">Gunakan imej resolusi tinggi (≥1600px lebar) untuk hasil cetak berkualiti.</li>
-                    <li class="mb-2">Pastikan ruang untuk nama peserta tidak dihalang oleh grafik template.</li>
-                    <li class="mb-2">Koordinat (0,0) adalah sudut <strong>kiri atas</strong> imej.</li>
-                    <li class="mb-2">Gunakan butang <strong>Pratonton</strong> untuk menyemak kedudukan teks sebelum jana sijil sebenar.</li>
-                    <li class="mb-0">Sijil dijana dalam format JPG.</li>
-                </ul>
-            </div>
-        </div>
     </div>
 </div>
 
+@endif
+
 @endsection
 
 @push('scripts')
 <script>
-function previewImage(input) {
+// ── Auto-detect orientasi dan laras tinggi viewer ─────────────────────────────
-    if (input.files && input.files[0]) {
+function applyOrientation(naturalW, naturalH) {
-        const reader = new FileReader();
+    const wrapper = document.getElementById('previewWrapper');
-        reader.onload = e => {
+    const img     = document.getElementById('templatePreview');
-            document.getElementById('imagePreviewEl').src = e.target.result;
+    const badge   = document.getElementById('orientationBadge');
-            document.getElementById('imagePreviewBox').classList.remove('d-none');
+    if (!wrapper || !img) return;
-        };
+
-        reader.readAsDataURL(input.files[0]);
+    const isPortrait = naturalH > naturalW;
+    const maxH       = isPortrait ? '520px' : '340px';
+
+    wrapper.style.maxHeight = maxH;
+    img.style.maxHeight     = maxH;
+
+    if (badge) {
+        badge.textContent  = isPortrait ? 'Portrait' : 'Landscape';
+        badge.className    = 'badge ' + (isPortrait ? 'bg-info' : 'bg-success');
     }
 }
 
+// Jalankan sekali apabila imej template dimuatkan
+const templateImg = document.getElementById('templatePreview');
+if (templateImg) {
+    if (templateImg.complete && templateImg.naturalWidth) {
+        applyOrientation(templateImg.naturalWidth, templateImg.naturalHeight);
+    } else {
+        templateImg.addEventListener('load', function () {
+            applyOrientation(this.naturalWidth, this.naturalHeight);
+        });
+    }
+}
+
+// ── Upload pratonton (form muat naik) ─────────────────────────────────────────
+function previewImage(input) {
+    if (!input.files || !input.files[0]) return;
+    const reader = new FileReader();
+    reader.onload = e => {
+        const el  = document.getElementById('imagePreviewEl');
+        const box = document.getElementById('imagePreviewBox');
+        el.src = e.target.result;
+        box.classList.remove('d-none');
+
+        // Laras pratonton upload ikut orientasi
+        el.onload = function () {
+            const wrap = document.getElementById('uploadPreviewWrapper');
+            if (wrap) wrap.style.maxHeight = this.naturalHeight > this.naturalWidth ? '520px' : '340px';
+        };
+    };
+    reader.readAsDataURL(input.files[0]);
+}
+
+// ── Toggle No. Sijil ──────────────────────────────────────────────────────────
 function toggleCertNo(cb) {
     document.getElementById('certNoFields').style.display = cb.checked ? '' : 'none';
 }
 
+// ── Toggle panduan (ikon chevron) ─────────────────────────────────────────────
+document.getElementById('guidePanel')?.addEventListener('show.bs.collapse', () => {
+    document.getElementById('guideChevron').className = 'bi bi-chevron-up small text-muted';
+});
+document.getElementById('guidePanel')?.addEventListener('hide.bs.collapse', () => {
+    document.getElementById('guideChevron').className = 'bi bi-chevron-down small text-muted';
+});
+
+// ── Jana Pratonton ────────────────────────────────────────────────────────────
 function loadPreview() {
     const name = document.getElementById('sampleName').value.trim() || 'NAMA PESERTA CONTOH';
     const img  = document.getElementById('templatePreview');