.aibgr-container {
  max-width: 400px;
  margin: 5px;
  background: #111111;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  padding: 32px 24px 24px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #e0e0e0;
}
.aibgr-usage-info {
  font-size: 1rem;
  margin-bottom: 18px;
  color: #a259ff;
  font-weight: 500;
}
#aibgr-upload-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}
#aibgr_image {
  border: 1px solid #333;
  border-radius: 8px;
  padding: 8px;
  width: 100%;
  background: #1d1d1d;
  color: #e0e0e0;
}
input#aibgr_threshold {
  filter: invert(1);
}
button#aibgr-download-btn {
  background: #6c3ab7;
}
.aibgr-btn {
  background: linear-gradient(90deg, #a259ff 0%, #7c3aed 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 28px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.aibgr-btn:hover {
  background: linear-gradient(90deg, #7c3aed 0%, #a259ff 100%);
}
#aibgr-result {
  width: 25%;
  text-align: center;
  color: #e0e0e0;
}
#aibgr-result img {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.17);
}
.aibgr-message {
  color: #c00;
  background: #23272a;
  border: 1px solid #a259ff;
  border-radius: 8px;
  padding: 16px;
  margin: 24px auto;
  max-width: 400px;
  text-align: center;
  font-weight: 500;
}
.aibgr-processing {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.aibgr-spinner {
  width: 48px;
  height: 48px;
  border: 6px solid #a259ff;
  border-top: 6px solid #23272a;
  border-radius: 50%;
  animation: aibgr-spin 1s linear infinite;
}
@keyframes aibgr-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}