*, *:before, *:after {
  box-sizing: border-box;
}

body {
  font-family: 'Nunito', sans-serif;
  background-color: #f1f5f9; /* Göz yormayan açık gri/mavi arka plan */
  color: #334155;
  margin: 0;
  padding: 0;
}

/* Sayfa ortasındaki ana taşıyıcı kart */
.form-wrapper {
  max-width: 750px; /* Çok yayılmayı engeller */
  margin: 40px auto;
  background: #ffffff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
}

/* Form içindeki mantıksal gruplamalar */
.form-section {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 25px;
  border-radius: 12px;
  margin-bottom: 25px;
}

.form-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 20px;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 10px;
  display: flex;
  align-items: center;
}

/* Form Elemanları */
label {
  font-weight: 600;
  color: #475569;
  margin-bottom: 6px;
}

textarea.form-control, 
input[type="text"].form-control, 
input[type="number"].form-control, 
select.form-control {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 12px 15px;
  background-color: #ffffff;
  color: #334155;
  font-size: 15px;
  transition: all 0.2s ease;
  box-shadow: none;
}

textarea.form-control:focus, 
input[type="text"].form-control:focus, 
input[type="number"].form-control:focus, 
select.form-control:focus {
  border-color: #3b82f6;
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background-color: #fff;
}

/* Özel Buton Tasarımı */
.btn-success {
  background-color: #10b981;
  border-color: #10b981;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 8px;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
}

.btn-success:hover {
  background-color: #059669;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

/* Mobil Uyumluluk İnce Ayarları */
@media screen and (max-width: 768px) {
  .form-wrapper {
    margin: 20px;
    padding: 25px 20px;
  }
  .form-section {
    padding: 15px;
  }
}