.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0rem;
  background: var(--bg-color);
  color: var(--text-color);
  transition: background 0.3s, color 0.3s;
}

.site-header h1 {
  margin: 0;
  font-size: 1.8rem;
}

#theme-toggle {
  font-size: 1rem;
  background-color: var(--bg-container);
  padding: 0.4rem 0.8rem;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  transition: color 0.3s;
}

#theme-toggle:hover {
  color: var(--link-hover);
}

#search {
  margin: 1rem 0;
  border: 1px solid #ccc;
  border-radius: 4px;
  color: var(--text-color);
  background-color: var(--bg-color);
}