.page-title:has(#cnxbr-theme-toggle:not([hidden])) { display: flex; align-items: center; gap: 10px; }
#cnxbr-theme-toggle { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; border: 1px solid #d1d5db; border-radius: 8px; background: #fff; color: #374151; cursor: pointer; }
#cnxbr-theme-toggle[hidden] { display: none; }
#cnxbr-theme-toggle:hover { background: #f3f4f6; }
#cnxbr-theme-toggle:focus-visible { outline: 2px solid #228be6; outline-offset: 2px; }
#cnxbr-theme-toggle:disabled { opacity: .5; cursor: wait; }
#cnxbr-theme-toggle span { font-size: 19px; }