body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f0f0f0;
}

.container {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
  color: #2c3e50;
  text-align: center;
  margin-bottom: 20px;
}

.upload-section {
  margin-bottom: 20px;
}

input[type="file"], button {
  display: block;
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

button {
  background-color: #3498db;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #2980b9;
}

button:disabled {
  background-color: #bdc3c7;
  cursor: not-allowed;
}

.progress-bar {
  width: 100%;
  height: 20px;
  background-color: #ecf0f1;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 20px;
}

#progressFill {
  width: 0;
  height: 100%;
  background-color: #2ecc71;
  transition: width 0.3s ease;
}

.status {
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
  color: #2c3e50;
}

.photo-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 10px;
  margin-bottom: 20px;
  background-color: #f9f9f9;
}

.photo-item {
  padding: 8px 0;
  border-bottom: 1px solid #eee;
}

.photo-item:last-child {
  border-bottom: none;
}

#exportButton {
  background-color: #27ae60;
}

#exportButton:hover {
  background-color: #2ecc71;
}