@extends('layouts.site')

@section('content')
<section class="wrapper bg-[#f0f7ff] py-12">
  <div class="container px-4">
    <div class="max-w-4xl mx-auto">
      
      <!-- Top header / Welcome card -->
      <div class="bg-white rounded-3xl p-6 md:p-8 shadow-xl border border-slate-100/50 flex flex-col md:flex-row justify-between items-start md:items-center gap-6 mb-8">
        <div>
          <span class="text-xs uppercase font-extrabold tracking-widest text-[#e31e24] bg-red-50 px-3 py-1.5 rounded-full">Stajyer Paneli</span>
          <h1 class="text-3xl font-extrabold text-slate-900 tracking-tight mt-3">Hoş Geldiniz, {{ $intern->name }}</h1>
          <p class="text-sm text-slate-500 mt-1">Staj belgelerinizi ve başvuru detaylarınızı buradan yönetebilirsiniz.</p>
        </div>
        <form action="{{ route('intern.logout') }}" method="POST">
          @csrf
          <button type="submit" class="px-5 py-3 rounded-xl bg-slate-100 hover:bg-red-50 text-slate-600 hover:text-[#e31e24] font-bold text-sm transition-all flex items-center gap-2 border border-slate-200/50 hover:border-red-100">
            <i class="uil uil-sign-out-alt text-lg"></i>
            <span>Çıkış Yap</span>
          </button>
        </form>
      </div>

      <!-- Session & Validation Alerts -->
      @if(session('success'))
      <div class="bg-green-50 border border-green-200 text-green-700 px-6 py-4 rounded-3xl mb-8 flex items-center gap-3 shadow-sm">
        <i class="uil uil-check-circle text-2xl flex-shrink-0"></i>
        <span class="font-bold text-sm">{{ session('success') }}</span>
      </div>
      @endif

      @if(session('error'))
      <div class="bg-red-50 border border-red-200 text-[#e31e24] px-6 py-4 rounded-3xl mb-8 flex items-center gap-3 shadow-sm">
        <i class="uil uil-exclamation-octagon text-2xl flex-shrink-0"></i>
        <span class="font-bold text-sm">{{ session('error') }}</span>
      </div>
      @endif

      @if($errors->any())
      <div class="bg-red-50 border border-red-200 text-[#e31e24] px-6 py-4 rounded-3xl mb-8 shadow-sm">
        <div class="flex items-center gap-3 mb-2">
          <i class="uil uil-exclamation-octagon text-2xl flex-shrink-0"></i>
          <span class="font-bold text-sm">Lütfen aşağıdaki hataları düzeltin:</span>
        </div>
        <ul class="list-disc list-inside text-xs font-semibold space-y-1 ml-1">
          @foreach($errors->all() as $error)
            <li>{{ $error }}</li>
          @endforeach
        </ul>
      </div>
      @endif

@php
  $status = $intern->status;
  $hasToBeSigned = !empty($intern->to_be_signed_internship_form_path);
  $hasSigned = !empty($intern->signed_internship_form_path);
  
  $step1_state = 'completed';
  
  if (in_array($status, ['reviewed', 'waiting_document', 'accepted']) || $hasToBeSigned || $hasSigned) {
      $step2_state = 'completed';
  } elseif ($status === 'rejected') {
      $step2_state = 'rejected';
  } else {
      $step2_state = 'active';
  }
  
  if ($hasToBeSigned || $hasSigned) {
      $step3_state = 'completed';
  } elseif ($step2_state === 'completed' && $status !== 'rejected') {
      $step3_state = 'active';
  } else {
      $step3_state = 'pending';
  }
  
  if ($hasSigned) {
      $step4_state = 'completed';
  } elseif ($step3_state === 'completed' && !$hasSigned && $status !== 'rejected') {
      $step4_state = 'active';
  } else {
      $step4_state = 'pending';
  }
  
  if ($status === 'accepted' && $hasSigned) {
      $step5_state = 'completed';
  } elseif ($step4_state === 'completed' && $status !== 'rejected') {
      $step5_state = 'active';
  } else {
      $step5_state = 'pending';
  }

  $completedCount = 0;
  if ($step1_state === 'completed') $completedCount++;
  if ($step2_state === 'completed') $completedCount++;
  if ($step3_state === 'completed') $completedCount++;
  if ($step4_state === 'completed') $completedCount++;
  if ($step5_state === 'completed') $completedCount++;
  
  $progressPercent = (($completedCount - 1) / 4) * 100;
  if ($status === 'rejected') {
      $progressPercent = 25;
  }
@endphp

      <!-- Stage Timeline Card -->
      <div class="bg-white rounded-3xl p-6 md:p-8 shadow-xl border border-slate-100/50 mb-8">
        <h3 class="font-bold text-slate-800 text-lg mb-6 pb-2 border-b border-slate-100 flex items-center gap-2">
          <i class="uil uil-chart-growth text-blue-600 text-xl"></i>
          <span>Staj Süreci İlerleme Durumu</span>
        </h3>
        
        <!-- Desktop Timeline (Horizontal) -->
        <div class="hidden md:block relative my-6">
          <!-- Background Line -->
          <div class="absolute top-6 left-8 right-8 h-1 bg-slate-100 rounded-full -z-10">
            <div class="h-full bg-blue-600 rounded-full transition-all duration-500" style="width: {{ $progressPercent }}%;"></div>
          </div>
          
          <div class="flex justify-between items-start">
            <!-- Step 1 -->
            <div class="flex flex-col items-center text-center w-1/5 px-2">
              <div class="w-12 h-12 rounded-full bg-blue-600 text-white flex items-center justify-center text-xl shadow-lg shadow-blue-500/20 z-10 border-4 border-white">
                <i class="uil uil-clipboard-notes"></i>
              </div>
              <span class="text-xs font-extrabold text-slate-800 mt-3">Başvuru Alındı</span>
              <span class="text-[10px] text-slate-400 font-semibold mt-1">Staj başvurunuz sisteme ulaştı.</span>
            </div>

            <!-- Step 2 -->
            <div class="flex flex-col items-center text-center w-1/5 px-2">
              @if($step2_state === 'completed')
                <div class="w-12 h-12 rounded-full bg-blue-600 text-white flex items-center justify-center text-xl shadow-lg shadow-blue-500/20 z-10 border-4 border-white">
                  <i class="uil uil-search-alt"></i>
                </div>
              @elseif($step2_state === 'rejected')
                <div class="w-12 h-12 rounded-full bg-red-600 text-white flex items-center justify-center text-xl shadow-lg shadow-red-500/20 z-10 border-4 border-white">
                  <i class="uil uil-multiply"></i>
                </div>
              @elseif($step2_state === 'active')
                <div class="w-12 h-12 rounded-full bg-blue-50 text-blue-600 flex items-center justify-center text-xl z-10 border-4 border-white ring-2 ring-blue-500 animate-pulse">
                  <i class="uil uil-search-alt"></i>
                </div>
              @else
                <div class="w-12 h-12 rounded-full bg-slate-100 text-slate-400 flex items-center justify-center text-xl z-10 border-4 border-white">
                  <i class="uil uil-search-alt"></i>
                </div>
              @endif
              <span class="text-xs font-extrabold @if($step2_state === 'active') text-blue-600 @elseif($step2_state === 'rejected') text-red-600 @else text-slate-800 @endif mt-3">Ön Değerlendirme</span>
              @if($step2_state === 'rejected')
                <span class="text-[10px] text-red-500 font-semibold mt-1">Başvurunuz olumsuz sonuçlandı.</span>
              @else
                <span class="text-[10px] text-slate-400 font-semibold mt-1">Evrak ve kriterler inceleniyor.</span>
              @endif
            </div>

            <!-- Step 3 -->
            <div class="flex flex-col items-center text-center w-1/5 px-2">
              @if($step3_state === 'completed')
                <div class="w-12 h-12 rounded-full bg-blue-600 text-white flex items-center justify-center text-xl shadow-lg shadow-blue-500/20 z-10 border-4 border-white">
                  <i class="uil uil-file-upload-alt"></i>
                </div>
              @elseif($step3_state === 'active')
                <div class="w-12 h-12 rounded-full bg-blue-50 text-blue-600 flex items-center justify-center text-xl z-10 border-4 border-white ring-2 ring-blue-500 animate-pulse">
                  <i class="uil uil-file-upload-alt"></i>
                </div>
              @else
                <div class="w-12 h-12 rounded-full bg-slate-100 text-slate-400 flex items-center justify-center text-xl z-10 border-4 border-white">
                  <i class="uil uil-file-upload-alt"></i>
                </div>
              @endif
              <span class="text-xs font-extrabold @if($step3_state === 'active') text-blue-600 @else text-slate-800 @endif mt-3">Staj Formu Yükleme</span>
              <span class="text-[10px] text-slate-400 font-semibold mt-1">İmzalanacak staj formunu yükleyin.</span>
            </div>

            <!-- Step 4 -->
            <div class="flex flex-col items-center text-center w-1/5 px-2">
              @if($step4_state === 'completed')
                <div class="w-12 h-12 rounded-full bg-blue-600 text-white flex items-center justify-center text-xl shadow-lg shadow-blue-500/20 z-10 border-4 border-white">
                  <i class="uil uil-file-check-alt"></i>
                </div>
              @elseif($step4_state === 'active')
                <div class="w-12 h-12 rounded-full bg-blue-50 text-blue-600 flex items-center justify-center text-xl z-10 border-4 border-white ring-2 ring-blue-500 animate-pulse">
                  <i class="uil uil-file-check-alt"></i>
                </div>
              @else
                <div class="w-12 h-12 rounded-full bg-slate-100 text-slate-400 flex items-center justify-center text-xl z-10 border-4 border-white">
                  <i class="uil uil-file-check-alt"></i>
                </div>
              @endif
              <span class="text-xs font-extrabold @if($step4_state === 'active') text-blue-600 @else text-slate-800 @endif mt-3">İmzalı Form Onayı</span>
              <span class="text-[10px] text-slate-400 font-semibold mt-1">İmzalanmış formunuz hazırlanıyor.</span>
            </div>

            <!-- Step 5 -->
            <div class="flex flex-col items-center text-center w-1/5 px-2">
              @if($step5_state === 'completed')
                <div class="w-12 h-12 rounded-full bg-blue-600 text-white flex items-center justify-center text-xl shadow-lg shadow-blue-500/20 z-10 border-4 border-white">
                  <i class="uil uil-rocket"></i>
                </div>
              @elseif($step5_state === 'active')
                <div class="w-12 h-12 rounded-full bg-blue-50 text-blue-600 flex items-center justify-center text-xl z-10 border-4 border-white ring-2 ring-blue-500 animate-pulse">
                  <i class="uil uil-rocket"></i>
                </div>
              @else
                <div class="w-12 h-12 rounded-full bg-slate-100 text-slate-400 flex items-center justify-center text-xl z-10 border-4 border-white">
                  <i class="uil uil-rocket"></i>
                </div>
              @endif
              <span class="text-xs font-extrabold @if($step5_state === 'active') text-blue-600 @else text-slate-800 @endif mt-3">Oryantasyon & Başlangıç</span>
              <span class="text-[10px] text-slate-400 font-semibold mt-1">Staj süreci ve eğitimler başlar.</span>
            </div>
          </div>
        </div>

        <!-- Mobile Timeline (Vertical) -->
        <div class="md:hidden space-y-6 pl-4 relative before:content-[''] before:absolute before:left-[21px] before:top-2 before:bottom-2 before:w-1 before:bg-slate-100">
          <!-- Step 1 -->
          <div class="flex gap-4 items-start relative">
            <div class="w-8 h-8 rounded-full bg-blue-600 text-white flex items-center justify-center text-sm z-10 shadow-md shadow-blue-500/10">
              <i class="uil uil-clipboard-notes"></i>
            </div>
            <div>
              <h4 class="text-sm font-extrabold text-slate-800">Başvuru Alındı</h4>
              <p class="text-xs text-slate-400 mt-0.5">Staj başvurunuz sisteme ulaştı.</p>
            </div>
          </div>

          <!-- Step 2 -->
          <div class="flex gap-4 items-start relative">
            @if($step2_state === 'completed')
              <div class="w-8 h-8 rounded-full bg-blue-600 text-white flex items-center justify-center text-sm z-10 shadow-md shadow-blue-500/10">
                <i class="uil uil-search-alt"></i>
              </div>
            @elseif($step2_state === 'rejected')
              <div class="w-8 h-8 rounded-full bg-red-600 text-white flex items-center justify-center text-sm z-10 shadow-md shadow-red-500/10">
                <i class="uil uil-multiply"></i>
              </div>
            @elseif($step2_state === 'active')
              <div class="w-8 h-8 rounded-full bg-blue-50 text-blue-600 flex items-center justify-center text-sm z-10 border border-blue-500 animate-pulse">
                <i class="uil uil-search-alt"></i>
              </div>
            @else
              <div class="w-8 h-8 rounded-full bg-slate-100 text-slate-400 flex items-center justify-center text-sm z-10">
                <i class="uil uil-search-alt"></i>
              </div>
            @endif
            <div>
              <h4 class="text-sm font-extrabold @if($step2_state === 'active') text-blue-600 @elseif($step2_state === 'rejected') text-red-600 @else text-slate-800 @endif">Ön Değerlendirme</h4>
              @if($step2_state === 'rejected')
                <p class="text-xs text-red-500 mt-0.5">Başvurunuz olumsuz sonuçlandı.</p>
              @else
                <p class="text-xs text-slate-400 mt-0.5">Evrak ve kriterler inceleniyor.</p>
              @endif
            </div>
          </div>

          <!-- Step 3 -->
          <div class="flex gap-4 items-start relative">
            @if($step3_state === 'completed')
              <div class="w-8 h-8 rounded-full bg-blue-600 text-white flex items-center justify-center text-sm z-10 shadow-md shadow-blue-500/10">
                <i class="uil uil-file-upload-alt"></i>
              </div>
            @elseif($step3_state === 'active')
              <div class="w-8 h-8 rounded-full bg-blue-50 text-blue-600 flex items-center justify-center text-sm z-10 border border-blue-500 animate-pulse">
                <i class="uil uil-file-upload-alt"></i>
              </div>
            @else
              <div class="w-8 h-8 rounded-full bg-slate-100 text-slate-400 flex items-center justify-center text-sm z-10">
                <i class="uil uil-file-upload-alt"></i>
              </div>
            @endif
            <div>
              <h4 class="text-sm font-extrabold @if($step3_state === 'active') text-blue-600 @else text-slate-800 @endif">Staj Formu Yükleme</h4>
              <p class="text-xs text-slate-400 mt-0.5">İmzalanacak staj formunu yükleyin.</p>
            </div>
          </div>

          <!-- Step 4 -->
          <div class="flex gap-4 items-start relative">
            @if($step4_state === 'completed')
              <div class="w-8 h-8 rounded-full bg-blue-600 text-white flex items-center justify-center text-sm z-10 shadow-md shadow-blue-500/10">
                <i class="uil uil-file-check-alt"></i>
              </div>
            @elseif($step4_state === 'active')
              <div class="w-8 h-8 rounded-full bg-blue-50 text-blue-600 flex items-center justify-center text-sm z-10 border border-blue-500 animate-pulse">
                <i class="uil uil-file-check-alt"></i>
              </div>
            @else
              <div class="w-8 h-8 rounded-full bg-slate-100 text-slate-400 flex items-center justify-center text-sm z-10">
                <i class="uil uil-file-check-alt"></i>
              </div>
            @endif
            <div>
              <h4 class="text-sm font-extrabold @if($step4_state === 'active') text-blue-600 @else text-slate-800 @endif">İmzalı Form Onayı</h4>
              <p class="text-xs text-slate-400 mt-0.5">İmzalanmış formunuz hazırlanıyor.</p>
            </div>
          </div>

          <!-- Step 5 -->
          <div class="flex gap-4 items-start relative">
            @if($step5_state === 'completed')
              <div class="w-8 h-8 rounded-full bg-blue-600 text-white flex items-center justify-center text-sm z-10 shadow-md shadow-blue-500/10">
                <i class="uil uil-rocket"></i>
              </div>
            @elseif($step5_state === 'active')
              <div class="w-8 h-8 rounded-full bg-blue-50 text-blue-600 flex items-center justify-center text-sm z-10 border border-blue-500 animate-pulse">
                <i class="uil uil-rocket"></i>
              </div>
            @else
              <div class="w-8 h-8 rounded-full bg-slate-100 text-slate-400 flex items-center justify-center text-sm z-10">
                <i class="uil uil-rocket"></i>
              </div>
            @endif
            <div>
              <h4 class="text-sm font-extrabold @if($step5_state === 'active') text-blue-600 @else text-slate-800 @endif">Oryantasyon & Başlangıç</h4>
              <p class="text-xs text-slate-400 mt-0.5">Staj süreci ve eğitimler başlar.</p>
            </div>
          </div>
        </div>
      </div>

      <!-- Application Info & Document Download Grid -->
      <div class="grid grid-cols-1 md:grid-cols-12 gap-8">
        
        <!-- Sidebar stats / statuses / tabs -->
        <div class="md:col-span-4 space-y-6">
          <div class="bg-white rounded-3xl p-4 shadow-xl border border-slate-100/50">
            <h3 class="font-bold text-slate-800 text-base mb-4 px-3 pb-2 border-b border-slate-100">Menü</h3>
            
            <div class="space-y-1" role="tablist">
              <!-- Menu Item 1: Kişisel Bilgileriniz -->
              <button type="button" role="tab" aria-selected="true" data-tab-target="personal-info" class="tab-btn active w-full flex items-center gap-4 p-3 rounded-2xl text-left transition-all border border-transparent">
                <div class="w-10 h-10 rounded-xl bg-blue-50 text-blue-600 flex items-center justify-center text-xl flex-shrink-0 tab-icon">
                  <i class="uil uil-user"></i>
                </div>
                <div class="flex-grow">
                  <span class="block text-sm font-extrabold text-slate-800">Kişisel Bilgiler</span>
                  <span class="block text-xs text-slate-400 font-semibold mt-0.5">Başvuru detaylarınız</span>
                </div>
              </button>

              <!-- Menu Item 2: Belgeleriniz -->
              <button type="button" role="tab" aria-selected="false" data-tab-target="documents" class="tab-btn w-full flex items-center gap-4 p-3 rounded-2xl text-left transition-all border border-transparent">
                <div class="w-10 h-10 rounded-xl bg-slate-50 text-slate-500 flex items-center justify-center text-xl flex-shrink-0 tab-icon">
                  <i class="uil uil-file-alt"></i>
                </div>
                <div class="flex-grow">
                  <span class="block text-sm font-extrabold text-slate-800">Belgeleriniz</span>
                  <span class="block text-xs text-slate-400 font-semibold mt-0.5">CV ve staj formları</span>
                </div>
              </button>

              <!-- Menu Item 3: Staj Günlüğü -->
              <button type="button" role="tab" aria-selected="false" data-tab-target="journal" class="tab-btn w-full flex items-center gap-4 p-3 rounded-2xl text-left transition-all border border-transparent">
                <div class="w-10 h-10 rounded-xl bg-slate-50 text-slate-500 flex items-center justify-center text-xl flex-shrink-0 tab-icon">
                  <i class="uil uil-github"></i>
                </div>
                <div class="flex-grow">
                  <span class="block text-sm font-extrabold text-slate-800">Staj Günlüğü</span>
                  <span class="block text-xs text-slate-400 font-semibold mt-0.5">GitHub commit geçmişi</span>
                </div>
              </button>
            </div>
          </div>
        </div>

        <!-- Content Panels -->
        <div class="md:col-span-8">
          
          <!-- Panel 1: Kişisel Bilgileriniz -->
          <div id="personal-info-panel" class="tab-panel space-y-6">
            <div class="bg-white rounded-3xl p-6 md:p-8 shadow-xl border border-slate-100/50">
              <h3 class="font-bold text-slate-800 text-lg mb-6 pb-2 border-b border-slate-100">Kişisel Bilgileriniz</h3>
              
              <div class="grid grid-cols-1 sm:grid-cols-2 gap-6">
                <div>
                  <span class="text-xs text-slate-400 font-extrabold uppercase tracking-wider block">E-posta</span>
                  <span class="text-sm font-bold text-slate-700 block mt-1.5">{{ $intern->email }}</span>
                </div>
                
                @if($intern->phone)
                <div>
                  <span class="text-xs text-slate-400 font-extrabold uppercase tracking-wider block">Telefon</span>
                  <span class="text-sm font-bold text-slate-700 block mt-1.5">{{ $intern->phone }}</span>
                </div>
                @endif

                <div>
                  <span class="text-xs text-slate-400 font-extrabold uppercase tracking-wider block">Staj Durumu</span>
                  <div class="mt-2">
                    <span class="inline-flex px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider
                      @if($intern->status === 'accepted') bg-green-50 text-green-700 border border-green-200
                      @elseif($intern->status === 'rejected') bg-red-50 text-red-700 border border-red-200
                      @elseif($intern->status === 'reviewed') bg-blue-50 text-blue-700 border border-blue-200
                      @elseif($intern->status === 'waiting_document') bg-amber-50 text-amber-700 border border-amber-200
                      @else bg-slate-50 text-slate-500 border border-slate-200 @endif">
                      @if($intern->status === 'accepted') Kabul Edildi
                      @elseif($intern->status === 'rejected') Reddedildi
                      @elseif($intern->status === 'reviewed') İncelendi
                      @elseif($intern->status === 'waiting_document') Belge Bekleniyor
                      @else Beklemede @endif
                    </span>
                  </div>
                </div>

                @if($intern->internship_total_days)
                <div>
                  <span class="text-xs text-slate-400 font-extrabold uppercase tracking-wider block">Toplam Süre</span>
                  <span class="text-sm font-bold text-blue-600 block mt-1.5">{{ $intern->internship_total_days }} İş Günü <span class="text-xs text-slate-400 font-normal">(Haftada 5 Gün)</span></span>
                </div>
                @endif

                @if($intern->internship_start_date)
                <div>
                  <span class="text-xs text-slate-400 font-extrabold uppercase tracking-wider block">Staj Başlangıç Tarihi</span>
                  <span class="text-sm font-bold text-slate-700 block mt-1.5">{{ \Carbon\Carbon::parse($intern->internship_start_date)->format('d.m.Y') }}</span>
                </div>
                @endif

                @if($intern->internship_end_date)
                <div>
                  <span class="text-xs text-slate-400 font-extrabold uppercase tracking-wider block">Staj Bitiş Tarihi</span>
                  <span class="text-sm font-bold text-slate-700 block mt-1.5">{{ \Carbon\Carbon::parse($intern->internship_end_date)->format('d.m.Y') }}</span>
                </div>
                @endif
              </div>
            </div>
          </div>

          <!-- Panel 2: Belgeleriniz -->
          <div id="documents-panel" class="tab-panel hidden space-y-6">
            <div class="bg-white rounded-3xl p-6 md:p-8 shadow-xl border border-slate-100/50">
              <h3 class="font-bold text-slate-800 text-lg mb-6 pb-2 border-b border-slate-100">Belgeleriniz</h3>

              <div class="space-y-6">
                
                <!-- CV Card -->
                <div class="p-5 rounded-2xl border border-slate-100 bg-slate-50/50 flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 hover:border-slate-200 transition-all">
                  <div class="flex items-center gap-4">
                    <div class="w-12 h-12 rounded-xl bg-red-50 text-[#e31e24] flex items-center justify-center text-2xl flex-shrink-0">
                      <i class="uil uil-file-alt"></i>
                    </div>
                    <div>
                      <h4 class="font-bold text-slate-800 text-base">Özgeçmiş (CV)</h4>
                      <p class="text-xs text-slate-400 mt-0.5">Başvuru sırasında yüklemiş olduğunuz özgeçmiş belgeniz.</p>
                    </div>
                  </div>
                  @if($intern->cv_path)
                  <a href="{{ Storage::disk('public')->url($intern->cv_path) }}" target="_blank" class="w-full sm:w-auto px-5 py-2.5 bg-slate-800 hover:bg-slate-900 text-white font-bold rounded-xl text-sm transition-all flex items-center justify-center gap-2 shadow-md">
                    <i class="uil uil-arrow-down-tray"></i>
                    <span>İndir</span>
                  </a>
                  @else
                  <span class="text-xs text-slate-400 italic">Yüklenmemiş</span>
                  @endif
                </div>

                <!-- Intern Upload: To Be Signed Form Card -->
                <div class="p-5 rounded-2xl border border-slate-100 bg-slate-50/50 hover:border-slate-200 transition-all">
                  <div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 mb-4">
                    <div class="flex items-center gap-4">
                      <div class="w-12 h-12 rounded-xl bg-blue-50 text-blue-600 flex items-center justify-center text-2xl flex-shrink-0">
                        <i class="uil uil-file-upload-alt"></i>
                      </div>
                      <div>
                        <h4 class="font-bold text-slate-800 text-base">İmzalanacak Staj Formu</h4>
                        @if($intern->to_be_signed_internship_form_path)
                          @if($intern->signed_internship_form_path)
                          <p class="text-xs text-green-600 font-semibold mt-0.5">Staj formunuz imzalandı ve onaylandı.</p>
                          @else
                          <p class="text-xs text-green-600 font-semibold mt-0.5">Staj formunuz başarıyla yüklendi. İmza işlemleri için hazır.</p>
                          @endif
                        @else
                        <p class="text-xs text-slate-400 mt-0.5">İmzalanmasını istediğiniz staj formunu buradan yükleyebilirsiniz.</p>
                        @endif
                      </div>
                    </div>
                    
                    <div class="flex items-center gap-2 w-full sm:w-auto">
                      @if($intern->to_be_signed_internship_form_path)
                      <a href="{{ Storage::disk('public')->url($intern->to_be_signed_internship_form_path) }}" target="_blank" class="px-4 py-2.5 bg-slate-850 hover:bg-slate-900 text-white font-bold rounded-xl text-xs transition-all flex items-center justify-center gap-1.5 shadow-sm">
                        <i class="uil uil-arrow-down-tray"></i>
                        <span>Görüntüle</span>
                      </a>
                        @if(!$intern->signed_internship_form_path)
                        <button type="button" onclick="document.getElementById('upload-form-wrapper').classList.toggle('hidden')" class="px-4 py-2.5 bg-blue-50 hover:bg-blue-100 text-blue-600 font-bold rounded-xl text-xs transition-all flex items-center justify-center gap-1.5">
                          <i class="uil uil-edit"></i>
                          <span>Değiştir</span>
                        </button>
                        @endif
                      @else
                      <button type="button" onclick="document.getElementById('upload-form-wrapper').classList.toggle('hidden')" class="w-full sm:w-auto px-5 py-2.5 bg-blue-600 hover:bg-blue-700 text-white font-bold rounded-xl text-sm transition-all flex items-center justify-center gap-2 shadow-md shadow-blue-500/10">
                        <i class="uil uil-plus"></i>
                        <span>Yükle</span>
                      </button>
                      @endif
                    </div>
                  </div>

                  @if(!$intern->signed_internship_form_path)
                  <div id="upload-form-wrapper" class="{{ $intern->to_be_signed_internship_form_path ? 'hidden' : '' }} mt-4 border-t border-slate-100 pt-4">
                    <form action="{{ route('intern.upload-form') }}" method="POST" enctype="multipart/form-data" class="space-y-4">
                      @csrf

                      <!-- Company Legal Info Copy Box -->
                      <div class="bg-slate-50 border border-slate-200/60 rounded-2xl p-5 text-sm text-slate-600">
                        <div class="flex items-center gap-2 mb-3">
                          <i class="uil uil-info-circle text-blue-600 text-lg flex-shrink-0"></i>
                          <h5 class="font-extrabold text-slate-800 text-sm tracking-tight">Şirket Legal Bilgilerimiz</h5>
                        </div>
                        <p class="text-xs text-slate-400 mb-4 leading-normal">
                          Lütfen staj formunuzu doldururken şirketimize ait aşağıdaki resmi bilgileri kullanın. Sağdaki kopyalama butonlarını kullanarak bilgileri kolayca kopyalayabilirsiniz.
                        </p>
                        
                        <div class="space-y-2.5">
                          <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-white px-3 py-2 rounded-xl border border-slate-100/80">
                            <span class="text-xs text-slate-400 font-bold sm:w-1/4">Şirket Unvanı</span>
                            <div class="flex items-center justify-between sm:w-3/4 w-full gap-2">
                              <span id="legal-title" class="text-xs font-bold text-slate-700 select-all break-all">TRUNÇGİL TEKNOLOJİ SANAYİ VE TİCARET LİMİTED ŞİRKETİ</span>
                              <button type="button" onclick="copyToClipboard('legal-title', this)" class="text-slate-400 hover:text-blue-600 transition-colors p-1 flex-shrink-0" title="Kopyala">
                                <i class="uil uil-copy text-sm"></i>
                              </button>
                            </div>
                          </div>

                          <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-white px-3 py-2 rounded-xl border border-slate-100/80">
                            <span class="text-xs text-slate-400 font-bold sm:w-1/4">Adres</span>
                            <div class="flex items-center justify-between sm:w-3/4 w-full gap-2">
                              <span id="legal-address" class="text-xs font-bold text-slate-700 select-all break-all">Çamtepe Mah. Mahmut Tevfik Atay Bul. Gaziantep Teknopark No: 4A İç Kapı No: 1 Şahinbey / Gaziantep</span>
                              <button type="button" onclick="copyToClipboard('legal-address', this)" class="text-slate-400 hover:text-blue-600 transition-colors p-1 flex-shrink-0" title="Kopyala">
                                <i class="uil uil-copy text-sm"></i>
                              </button>
                            </div>
                          </div>

                          <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-white px-3 py-2 rounded-xl border border-slate-100/80">
                            <span class="text-xs text-slate-400 font-bold sm:w-1/4">Vergi Dairesi & No</span>
                            <div class="flex items-center justify-between sm:w-3/4 w-full gap-2">
                              <span id="legal-tax" class="text-xs font-bold text-slate-700 select-all break-all">Şahinbey V.D. / 8591492435</span>
                              <button type="button" onclick="copyToClipboard('legal-tax', this)" class="text-slate-400 hover:text-blue-600 transition-colors p-1 flex-shrink-0" title="Kopyala">
                                <i class="uil uil-copy text-sm"></i>
                              </button>
                            </div>
                          </div>

                          <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-white px-3 py-2 rounded-xl border border-slate-100/80">
                            <span class="text-xs text-slate-400 font-bold sm:w-1/4">MERSİS No</span>
                            <div class="flex items-center justify-between sm:w-3/4 w-full gap-2">
                              <span id="legal-mersis" class="text-xs font-bold text-slate-700 select-all break-all">0859149243500001</span>
                              <button type="button" onclick="copyToClipboard('legal-mersis', this)" class="text-slate-400 hover:text-blue-600 transition-colors p-1 flex-shrink-0" title="Kopyala">
                                <i class="uil uil-copy text-sm"></i>
                              </button>
                            </div>
                          </div>
                        </div>
                      </div>
                      
                      <div class="space-y-4">
                        <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
                          <div>
                            <label for="internship_start_date" class="block text-xs font-extrabold text-slate-500 uppercase tracking-wider mb-1.5">Staj Başlangıç Tarihi</label>
                            <input type="date" name="internship_start_date" id="internship_start_date" onchange="calculateEndDateFrontend()" oninput="calculateEndDateFrontend()" required value="{{ $intern->internship_start_date }}" class="w-full px-4 py-3 rounded-xl border border-slate-200 focus:border-blue-400 focus:ring-1 focus:ring-blue-400 focus:outline-none text-sm font-semibold text-slate-700 bg-white transition-all" />
                          </div>
                          <div>
                            <label for="internship_total_days" class="block text-xs font-extrabold text-slate-500 uppercase tracking-wider mb-1.5">Staj Süresi (İş Günü)</label>
                            <input type="number" name="internship_total_days" id="internship_total_days" onchange="calculateEndDateFrontend()" oninput="calculateEndDateFrontend()" min="1" required value="{{ $intern->internship_total_days }}" placeholder="Örn: 20" class="w-full px-4 py-3 rounded-xl border border-slate-200 focus:border-blue-400 focus:ring-1 focus:ring-blue-400 focus:outline-none text-sm font-semibold text-slate-700 bg-white transition-all" />
                          </div>
                        </div>
                        <div>
                          <label for="internship_end_date" class="block text-xs font-extrabold text-slate-500 uppercase tracking-wider mb-1.5">Staj Bitiş Tarihi (Otomatik)</label>
                          <input type="date" name="internship_end_date" id="internship_end_date" readonly class="w-full px-4 py-3 rounded-xl border border-slate-200 bg-slate-50 text-slate-500 cursor-not-allowed focus:outline-none text-sm font-semibold transition-all" value="{{ $intern->internship_end_date }}" />
                        </div>
                      </div>

                      <div class="relative border-2 border-dashed border-slate-200 hover:border-blue-400 rounded-2xl p-6 transition-all bg-white flex flex-col items-center justify-center text-center cursor-pointer group">
                        <input type="file" name="internship_form" id="internship_form" accept=".pdf,.docx,.jpg,.png,.jpeg" onchange="handleFileSelected(this)" class="absolute inset-0 w-full h-full opacity-0 cursor-pointer z-10" />
                        <i class="uil uil-cloud-upload text-4xl text-slate-400 group-hover:text-blue-500 transition-colors mb-2"></i>
                        <p class="text-sm font-bold text-slate-700">Dosya Seçin veya Sürükleyin</p>
                        <p class="text-xs text-slate-400 mt-1">PDF, DOCX, JPG veya PNG (Maks. 50MB)</p>
                        <p id="selected-file-name" class="text-xs font-bold text-blue-600 mt-3"></p>
                      </div>

                      <div class="flex justify-end">
                        <button type="submit" id="submit-upload-btn" disabled class="px-6 py-2.5 bg-blue-600 hover:bg-blue-700 text-white font-bold rounded-xl text-sm transition-all flex items-center gap-2 opacity-50 cursor-not-allowed">
                          <i class="uil uil-check"></i>
                          <span>Dosyayı Kaydet</span>
                        </button>
                      </div>
                    </form>
                  </div>
                  @endif
                </div>

                <!-- Signed Internship Form Card -->
                <div class="p-5 rounded-2xl border border-slate-100 bg-slate-50/50 flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 hover:border-slate-200 transition-all">
                  <div class="flex items-center gap-4">
                    <div class="w-12 h-12 rounded-xl @if($intern->signed_internship_form_path) bg-green-50 text-green-600 @else bg-amber-50 text-amber-600 @endif flex items-center justify-center text-2xl flex-shrink-0">
                      <i class="uil uil-file-check-alt"></i>
                    </div>
                    <div class="flex-grow">
                      <h4 class="font-bold text-slate-800 text-base">İmzalı Staj Formu</h4>
                      @if($intern->signed_internship_form_path)
                      <p class="text-xs text-slate-400 mt-0.5">Şirketimiz tarafından imzalanmış ve onaylanmış staj belgeniz.</p>
                      @else
                      <p class="text-xs text-amber-600/90 font-medium mt-0.5">Belgeniz imza aşamasındadır. Yöneticilerimiz tarafından onaylandığında buradan indirebilirsiniz.</p>
                      @endif
                    </div>
                  </div>
                  
                  @if($intern->signed_internship_form_path)
                  <a href="{{ Storage::disk('public')->url($intern->signed_internship_form_path) }}" target="_blank" class="w-full sm:w-auto px-5 py-2.5 bg-[#e31e24] hover:bg-[#c4191f] text-white font-bold rounded-xl text-sm transition-all flex items-center justify-center gap-2 shadow-md shadow-red-500/10">
                    <i class="uil uil-arrow-down-tray"></i>
                    <span>İndir</span>
                  </a>
                  @else
                  <button disabled class="w-full sm:w-auto px-5 py-2.5 bg-slate-100 text-slate-400 font-bold rounded-xl text-sm cursor-not-allowed flex items-center justify-center gap-2 border border-slate-200/50">
                    <i class="uil uil-hourglass"></i>
                    <span>Bekleniyor</span>
                  </button>
                  @endif
                </div>

              </div>
            </div>
          </div>

          <!-- Panel 3: Staj Günlüğü -->
          <div id="journal-panel" class="tab-panel hidden space-y-6">
            <div class="bg-white rounded-3xl p-6 md:p-8 shadow-xl border border-slate-100/50">
              <div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 mb-6 pb-4 border-b border-slate-100">
                <div>
                  <h3 class="font-bold text-slate-800 text-lg">Staj Günlüğü</h3>
                  <p class="text-xs text-slate-400 mt-0.5">Public GitHub deponuzdaki commit geçmişi günlük olarak listelenir.</p>
                </div>
                @if($intern->github_repo)
                <a href="{{ route('intern.download-journal') }}" class="w-full sm:w-auto px-4 py-2.5 bg-green-600 hover:bg-green-700 text-white font-bold rounded-xl text-xs transition-all flex items-center justify-center gap-2 shadow-md shadow-green-500/10">
                  <i class="uil uil-arrow-down-tray text-sm"></i>
                  <span>Günlüğü İndir (.md)</span>
                </a>
                @endif
              </div>

              <!-- GitHub Repository URL Configuration -->
              <div class="p-5 rounded-2xl border border-slate-100 bg-slate-50/50 mb-6">
                <form action="{{ route('intern.save-github') }}" method="POST" class="space-y-4">
                  @csrf
                  <div>
                    <label for="github_repo" class="block text-xs font-extrabold text-slate-500 uppercase tracking-wider mb-2">GitHub Public Depo URL'si</label>
                    <div class="flex flex-col sm:flex-row gap-3">
                      <input type="url" name="github_repo" id="github_repo" placeholder="https://github.com/kullaniciadi/depo-adi" value="{{ $intern->github_repo }}" required class="w-full px-4 py-3 rounded-xl border border-slate-200 focus:border-blue-400 focus:ring-1 focus:ring-blue-400 focus:outline-none text-sm font-semibold text-slate-700 bg-white transition-all" />
                      <button type="submit" class="px-5 py-3 bg-blue-600 hover:bg-blue-700 text-white font-bold rounded-xl text-sm transition-all shadow-md shadow-blue-500/10 flex-shrink-0">
                        {{ $intern->github_repo ? 'Güncelle' : 'Kaydet' }}
                      </button>
                    </div>
                    <span class="block text-xs text-slate-400 mt-2"><i class="uil uil-info-circle text-blue-600"></i> Deponuzun <strong>public (herkese açık)</strong> olması ve en az bir commit içermesi gerekmektedir.</span>
                  </div>
                </form>
              </div>

              <!-- Commits timeline / history load wrapper -->
              <div id="commits-loader" class="hidden py-8 flex flex-col items-center justify-center">
                <div class="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mb-2"></div>
                <span class="text-xs text-slate-400 font-semibold">GitHub'dan commitler yükleniyor...</span>
              </div>

              <div id="commits-error" class="hidden p-4 rounded-xl bg-red-50 border border-red-200 text-[#e31e24] text-xs font-semibold">
              </div>

              <div id="commits-empty" class="hidden p-6 rounded-2xl border border-slate-100 text-center text-slate-400 italic text-sm">
                Henüz hiç commit bulunamadı veya deponuz tanımlanmadı. Lütfen deponuzu tanımlayın ve commitlerinizi gönderin.
              </div>

              <!-- Day Paginator / Navbar -->
              <div id="journal-carousel-nav" class="hidden flex items-center justify-between gap-4 p-3 bg-slate-50/80 border border-slate-100 rounded-2xl mb-6 select-none">
                <button type="button" id="prev-day-btn" onclick="navigateDay(-1)" class="w-10 h-10 rounded-xl bg-white hover:bg-blue-50 text-slate-600 hover:text-blue-600 border border-slate-200/60 hover:border-blue-100 flex items-center justify-center transition-all shadow-sm">
                  <i class="uil uil-angle-left text-xl"></i>
                </button>
                
                <div class="flex-grow overflow-x-auto no-scrollbar py-1">
                  <div id="day-tabs-container" class="flex gap-2 justify-start sm:justify-center min-w-max px-2">
                    <!-- Day tabs rendered dynamically -->
                  </div>
                </div>

                <button type="button" id="next-day-btn" onclick="navigateDay(1)" class="w-10 h-10 rounded-xl bg-white hover:bg-blue-50 text-slate-600 hover:text-blue-600 border border-slate-200/60 hover:border-blue-100 flex items-center justify-center transition-all shadow-sm">
                  <i class="uil uil-angle-right text-xl"></i>
                </button>
              </div>

              <!-- Day Content Timeline Container (Carousel View) -->
              <div id="commits-timeline-container" class="hidden">
                <div id="active-day-card" class="bg-white border border-slate-100/80 rounded-2xl p-6 shadow-sm transition-all duration-300 transform">
                  <!-- Active Day Details (Date / Day Title) -->
                  <div class="flex items-center justify-between mb-8 pb-4 border-b border-slate-100">
                    <div class="flex items-center gap-3">
                      <span id="active-day-title" class="text-base font-extrabold text-blue-600 bg-blue-50 px-4 py-1.5 rounded-full">1. Gün</span>
                      <span id="active-day-date" class="text-sm font-semibold text-slate-400"><i class="uil uil-calendar-alt mr-1"></i> 29.05.2026</span>
                    </div>
                    <span id="active-day-commit-count" class="text-xs font-bold text-slate-400 bg-slate-50 border border-slate-100 px-2.5 py-1 rounded-lg">3 Commit</span>
                  </div>

                  <!-- Timeline items list -->
                  <div class="relative pl-6 sm:pl-8 before:content-[''] before:absolute before:left-[11px] sm:before:left-[15px] before:top-2 before:bottom-2 before:w-[2px] before:bg-slate-100">
                    <div id="timeline-events" class="space-y-6">
                      <!-- Event items rendered dynamically -->
                    </div>
                  </div>
                </div>
              </div>

            </div>
          </div>

        </div>

      </div>

    </div>
  </div>
</section>

@push('styles')
<script src="https://cdn.tailwindcss.com"></script>
<script>
  // Tab Switch Logic
  document.addEventListener('DOMContentLoaded', function() {
    const tabButtons = document.querySelectorAll('.tab-btn');
    const tabPanels = document.querySelectorAll('.tab-panel');

    tabButtons.forEach(button => {
      button.addEventListener('click', () => {
        // Deactivate active tab
        tabButtons.forEach(btn => {
          btn.classList.remove('active', 'bg-blue-50', 'border-blue-100', 'text-blue-900');
          btn.classList.add('bg-transparent', 'border-transparent', 'text-slate-600');
          btn.querySelector('.tab-icon').classList.remove('bg-blue-600', 'text-white');
          btn.querySelector('.tab-icon').classList.add('bg-slate-50', 'text-slate-500');
          btn.setAttribute('aria-selected', 'false');
        });

        // Hide active panels
        tabPanels.forEach(panel => {
          panel.classList.add('hidden');
        });

        // Activate clicked tab
        button.classList.add('active', 'bg-blue-50', 'border-blue-100', 'text-blue-900');
        button.classList.remove('bg-transparent', 'border-transparent', 'text-slate-600');
        button.querySelector('.tab-icon').classList.add('bg-blue-600', 'text-white');
        button.querySelector('.tab-icon').classList.remove('bg-slate-50', 'text-slate-500');
        button.setAttribute('aria-selected', 'true');

        // Show targets panel
        const targetId = button.getAttribute('data-tab-target');
        const targetPanel = document.getElementById(targetId + '-panel');
        if (targetPanel) {
          targetPanel.classList.remove('hidden');
        }

        // If journal is selected, trigger GitHub commits loading
        if (targetId === 'journal') {
          loadGithubCommits();
        }
      });
    });

    // Handle initial state of date logic
    calculateEndDateFrontend();
  });

  const githubRepoUrl = @json($intern->github_repo);
  let commitDays = [];
  let activeDayIndex = 0;

  function loadGithubCommits() {
    const loader = document.getElementById('commits-loader');
    const errorEl = document.getElementById('commits-error');
    const emptyEl = document.getElementById('commits-empty');
    const navEl = document.getElementById('journal-carousel-nav');
    const containerEl = document.getElementById('commits-timeline-container');

    if (!githubRepoUrl) {
      emptyEl.classList.remove('hidden');
      return;
    }

    loader.classList.remove('hidden');
    errorEl.classList.add('hidden');
    emptyEl.classList.add('hidden');
    navEl.classList.add('hidden');
    containerEl.classList.add('hidden');
    commitDays = [];

    // Parse owner and repo
    let repoClean = githubRepoUrl.replace(/https?:\/\/(www\.)?github\.com\//i, '');
    repoClean = repoClean.replace(/\/$/, '');
    const parts = repoClean.split('/');
    if (parts.length < 2) {
      loader.classList.add('hidden');
      errorEl.textContent = 'Github depo URL\'si çözümlenemedi. Geçerli format: https://github.com/kullanici/depo';
      errorEl.classList.remove('hidden');
      return;
    }
    const owner = parts[0];
    const repo = parts[1].replace(/\.git$/i, '');

    fetch(`https://api.github.com/repos/${owner}/${repo}/commits?per_page=100`)
      .then(response => {
        if (!response.ok) {
          if (response.status === 404) {
            throw new Error('Depo bulunamadı veya private (gizli). Deponuzun public (herkese açık) olduğundan emin olun.');
          } else if (response.status === 403) {
            throw new Error('GitHub API istek limiti aşıldı. Lütfen daha sonra tekrar deneyin veya yukarıdaki indirme butonunu kullanın.');
          } else {
            throw new Error('GitHub API hatası: ' + response.statusText);
          }
        }
        return response.json();
      })
      .then(commits => {
        loader.classList.add('hidden');
        if (!Array.isArray(commits) || commits.length === 0) {
          emptyEl.classList.remove('hidden');
          return;
        }

        // Reverse to show in chronological order (Day 1, Day 2...)
        commits.reverse();

        // Group commits by date (YYYY-MM-DD)
        const grouped = {};
        commits.forEach(item => {
          const dateStr = item.commit.author.date;
          if (dateStr) {
            const dateOnly = dateStr.substring(0, 10); // "YYYY-MM-DD"
            if (!grouped[dateOnly]) {
              grouped[dateOnly] = [];
            }
            grouped[dateOnly].push(item);
          }
        });

        const sortedDates = Object.keys(grouped).sort();

        commitDays = sortedDates.map((date, index) => {
          const dateParts = date.split('-');
          return {
            date: date,
            dayNum: index + 1,
            formattedDate: `${dateParts[2]}.${dateParts[1]}.${dateParts[0]}`,
            commits: grouped[date]
          };
        });

        if (commitDays.length === 0) {
          emptyEl.classList.remove('hidden');
          return;
        }

        activeDayIndex = 0;
        navEl.classList.remove('hidden');
        containerEl.classList.remove('hidden');

        renderDayTabs();
        renderActiveDay();
      })
      .catch(err => {
        loader.classList.add('hidden');
        errorEl.textContent = err.message || 'Bir hata oluştu.';
        errorEl.classList.remove('hidden');
      });
  }

  function renderDayTabs() {
    const container = document.getElementById('day-tabs-container');
    container.innerHTML = '';
    
    commitDays.forEach((day, index) => {
      const isActive = index === activeDayIndex;
      const activeClass = isActive 
        ? 'text-blue-700 bg-blue-50 border border-blue-200 font-extrabold shadow-sm' 
        : 'bg-white hover:bg-slate-50 text-slate-600 border border-slate-200/60 font-semibold hover:text-blue-600';
        
      const tab = document.createElement('button');
      tab.type = 'button';
      tab.className = `px-5 py-2 rounded-xl transition-all flex flex-col items-center justify-center ${activeClass}`;
      tab.innerHTML = `
        <span class="text-xs">${day.dayNum}. Gün</span>
        <span class="text-[9px] mt-0.5 opacity-70 font-medium">${day.formattedDate}</span>
      `;
      tab.onclick = () => {
        activeDayIndex = index;
        renderDayTabs();
        renderActiveDay();
      };
      container.appendChild(tab);
    });

    // Handle scroll to active element
    const activeTab = container.children[activeDayIndex];
    if (activeTab) {
      activeTab.scrollIntoView({ behavior: 'smooth', block: 'nearest', inline: 'center' });
    }

    // Disable/enable arrows
    const prevBtn = document.getElementById('prev-day-btn');
    const nextBtn = document.getElementById('next-day-btn');

    prevBtn.disabled = activeDayIndex === 0;
    prevBtn.classList.toggle('opacity-40', activeDayIndex === 0);
    prevBtn.classList.toggle('cursor-not-allowed', activeDayIndex === 0);

    nextBtn.disabled = activeDayIndex === commitDays.length - 1;
    nextBtn.classList.toggle('opacity-40', activeDayIndex === commitDays.length - 1);
    nextBtn.classList.toggle('cursor-not-allowed', activeDayIndex === commitDays.length - 1);
  }

  function renderActiveDay() {
    const card = document.getElementById('active-day-card');
    
    // Smooth transition
    card.style.opacity = '0.3';
    card.style.transform = 'translateY(5px)';
    
    setTimeout(() => {
      const day = commitDays[activeDayIndex];
      
      document.getElementById('active-day-title').textContent = `${day.dayNum}. Gün`;
      document.getElementById('active-day-date').innerHTML = `<i class="uil uil-calendar-alt mr-1"></i> ${day.formattedDate}`;
      document.getElementById('active-day-commit-count').textContent = `${day.commits.length} Commit`;

      const eventsContainer = document.getElementById('timeline-events');
      eventsContainer.innerHTML = '';

      day.commits.forEach(c => {
        const message = c.commit.message;
        const authorDate = new Date(c.commit.author.date);
        const timeStr = authorDate.toLocaleTimeString('tr-TR', { hour: '2-digit', minute: '2-digit' });
        const shaShort = c.sha.substring(0, 7);
        const commitUrl = c.html_url;

        const eventHtml = `
          <div class="relative group">
            <!-- Timeline Dot -->
            <div class="absolute -left-[31px] sm:-left-[39px] top-1.5 w-6 h-6 rounded-full bg-white border-2 border-blue-500 flex items-center justify-center transition-all group-hover:bg-blue-500">
              <div class="w-2 h-2 rounded-full bg-blue-500 group-hover:bg-white transition-all"></div>
            </div>
            <!-- Event Card -->
            <div class="p-4 bg-slate-50/50 hover:bg-blue-50/10 border border-slate-100 hover:border-blue-100/60 rounded-2xl transition-all shadow-sm">
              <div class="flex items-center justify-between gap-4 mb-2">
                <span class="text-xs font-bold text-slate-400"><i class="uil uil-clock mr-1"></i> ${timeStr}</span>
                <a href="${commitUrl}" target="_blank" class="text-xs font-mono font-bold text-blue-600 hover:text-blue-700 bg-blue-50/60 hover:bg-blue-50 px-2.5 py-0.5 rounded-lg border border-blue-100/40 transition-colors">
                  ${shaShort}
                </a>
              </div>
              <p class="text-sm font-bold text-slate-700 leading-relaxed whitespace-pre-line">${escapeHtml(message)}</p>
            </div>
          </div>
        `;
        eventsContainer.insertAdjacentHTML('beforeend', eventHtml);
      });

      card.style.opacity = '1';
      card.style.transform = 'translateY(0)';
    }, 150);
  }

  function navigateDay(dir) {
    const newIndex = activeDayIndex + dir;
    if (newIndex >= 0 && newIndex < commitDays.length) {
      activeDayIndex = newIndex;
      renderDayTabs();
      renderActiveDay();
    }
  }

  function escapeHtml(text) {
    if (!text) return '';
    return text
      .replace(/&/g, "&amp;")
      .replace(/</g, "&lt;")
      .replace(/>/g, "&gt;")
      .replace(/"/g, "&quot;")
      .replace(/'/g, "&#039;");
  }

  function handleFileSelected(input) {
    const fileNameElement = document.getElementById('selected-file-name');
    const submitBtn = document.getElementById('submit-upload-btn');
    if (input.files && input.files.length > 0) {
      const file = input.files[0];
      const fileSizeMB = file.size / (1024 * 1024);
      if (fileSizeMB > 50) {
        alert('Dosya boyutu 50MB\'ı aşamaz.');
        input.value = '';
        fileNameElement.textContent = '';
        submitBtn.disabled = true;
        submitBtn.classList.add('opacity-50', 'cursor-not-allowed');
        return;
      }
      fileNameElement.textContent = 'Seçilen dosya: ' + file.name + ' (' + fileSizeMB.toFixed(2) + ' MB)';
      submitBtn.disabled = false;
      submitBtn.classList.remove('opacity-50', 'cursor-not-allowed');
    } else {
      fileNameElement.textContent = '';
      submitBtn.disabled = true;
      submitBtn.classList.add('opacity-50', 'cursor-not-allowed');
    }
  }

  function calculateEndDateFrontend() {
    const startDateVal = document.getElementById('internship_start_date').value;
    const totalDaysVal = document.getElementById('internship_total_days').value;
    const endDateInput = document.getElementById('internship_end_date');
    
    if (!startDateVal || !totalDaysVal || totalDaysVal <= 0) {
      return;
    }
    
    let date = new Date(startDateVal);
    let daysToAdd = parseInt(totalDaysVal);
    let count = 0;
    let endDate = new Date(startDateVal);
    
    while (count < daysToAdd) {
      const dayOfWeek = date.getDay();
      if (dayOfWeek === 6 || dayOfWeek === 0) { // 6 = Saturday, 0 = Sunday
        date.setDate(date.getDate() + 1);
        continue;
      }
      endDate = new Date(date);
      date.setDate(date.getDate() + 1);
      count++;
    }
    
    // Format to YYYY-MM-DD
    const yyyy = endDate.getFullYear();
    const mm = String(endDate.getMonth() + 1).padStart(2, '0');
    const dd = String(endDate.getDate()).padStart(2, '0');
    endDateInput.value = `${yyyy}-${mm}-${dd}`;
  }

  function copyToClipboard(elementId, btn) {
    const text = document.getElementById(elementId).textContent;
    navigator.clipboard.writeText(text).then(() => {
      const icon = btn.querySelector('i');
      const originalClass = icon.className;
      icon.className = 'uil uil-check text-green-500';
      setTimeout(() => {
        icon.className = originalClass;
      }, 2000);
    });
  }
</script>
<style>
  .shadow-xl {
    box-shadow: 0 1rem 3rem rgba(30, 41, 59, 0.04) !important;
  }
  .tab-btn {
    transition: all 0.2s ease-in-out;
  }
  .tab-btn:hover:not(.active) {
    background-color: #f8fafc;
  }
  .tab-btn.active {
    background-color: #eff6ff;
    border-color: #dbeafe;
    color: #1e40af !important;
  }
  .tab-btn.active span.text-slate-800 {
    color: #1e40af !important;
  }
  .no-scrollbar::-webkit-scrollbar {
    display: none;
  }
  .no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
</style>
@endpush
@endsection