#flash-drive-popup {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 320px;
  background-color: #1e1e1e;
  color: white;
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0,0,0,0.6);
  z-index: 1000;
  font-family: sans-serif;
}
.hidden {
  display: none;
}
#flash-drive-estimator-container button {
  background-color: #ff6b00;
  color: white;
  padding: 8px 14px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.drive-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.drive-options button {
  background-color: #2d2d2d;
  color: #fff;
  border: 1px solid #555;
  border-radius: 4px;
  padding: 6px 10px;
  cursor: pointer;
}
.drive-options button:hover {
  background-color: #444;
}