.bg-controls {
  position: fixed;
  top: 2rem;
  right: 2rem;
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem;
  background: var(--control-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px var(--shadow-color);
  z-index: 10;
  backdrop-filter: blur(10px);
}

.bg-thumb {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.bg-thumb:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 8px var(--shadow-color);
}

.bg-thumb.active {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
}

.random-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.random-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 8px var(--shadow-color);
}

.random-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}