/* The existing theme hides logo-light in dark mode but has no logo-dark asset. */
.io-black-mode .sidebar-logo .logo-light,
.io-black-mode .footer-logo .logo-light,
.io-black-mode .navbar-brand .logo-light { display: inline-block !important; }
.io-black-mode .sidebar-logo .logo-collapsed .logo-light { filter: none; }
.io-black-mode .sidebar-logo .logo-expanded .logo-light,
.io-black-mode .footer-logo .logo-light,
.io-black-mode .navbar-brand .logo-light { filter: brightness(0) invert(1); }