.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  z-index: 1000;
  transition: transform 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
}

.toggle-track {
  width: 3rem;
  height: 1.5rem;
  background-color: var(--background-color);
  border: 2px solid var(--primary-color);
  border-radius: 1rem;
  position: relative;
  transition: background-color 0.3s ease;
}

.toggle-thumb {
  width: 1.2rem;
  height: 1.2rem;
  background-color: var(--primary-color);
  border-radius: 50%;
  position: absolute;
  top: 0.1rem;
  left: 0.1rem;
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle.dark .toggle-thumb {
  transform: translateX(1.5rem);
}

.theme-toggle svg {
  width: 1rem;
  height: 1rem;
  color: var(--background-color);
}

@media (max-width: 768px) {
  .theme-toggle {
    top: 0.5rem;
    right: 0.5rem;
  }
  
  .toggle-track {
    width: 2.5rem;
    height: 1.2rem;
  }
  
  .toggle-thumb {
    width: 1rem;
    height: 1rem;
  }
  
  .theme-toggle.dark .toggle-thumb {
    transform: translateX(1.2rem);
  }
}