
.bpu-wrapper {
  max-width: 450px;
  margin: 30px auto;
  padding: 20px;
  background: #f9f9f9;
  border: 2px solid #e5e7eb;
  border-radius: 16px;
  text-align: center;
  font-family: 'Segoe UI', sans-serif;
}
.bpu-wrapper input[type="file"] {
  margin-bottom: 12px;
}
#bpu-upload-btn {
  background: #6366f1;
  color: white;
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
}
#bpu-upload-btn:hover {
  background: #4f46e5;
}
#bpu-message {
  margin-top: 12px;
  font-weight: bold;
}
#bpu-progress-container {
  width: 100%;
  background-color: #e5e7eb;
  border-radius: 10px;
  height: 10px;
  margin: 10px 0;
  overflow: hidden;
}
#bpu-progress-bar {
  width: 0%;
  height: 10px;
  background-color: #10b981;
}
