.group-selector {
  margin: 1rem 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.group-selector-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.group-selector-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='white' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 3rem;
}

.group-selector-select:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.group-selector-select:focus {
  outline: none;
  border-color: var(--color-primary, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.group-selector-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.group-selector-select option {
  background: #1a1a1a;
  color: white;
  padding: 0.5rem;
}

.group-selector-description {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  font-style: italic;
}

.group-selector-loading,
.group-selector-error {
  padding: 0.75rem;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.group-selector-error {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
  border-radius: 8px;
}

.group-selector-changing {
  margin-top: 0.5rem;
  padding: 0.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-primary, #3b82f6);
  background: rgba(59, 130, 246, 0.1);
  border-radius: 8px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .group-selector {
    margin: 0.75rem 0;
    padding: 0.75rem;
  }

  .group-selector-select {
    font-size: 1rem;
  }
}