#project-logo {
    position: fixed;
    top: 1rem;
    left: 1.5rem;
    z-index: 10001;
    height: 2.5rem;
    transition: opacity 0.3s ease;
}

#project-logo .logo {
    height: 100%;
    width: auto;
    transition: opacity 0.3s ease;
}

/* Light theme (default) */
#project-logo .light-logo {
    opacity: 1;
}

#project-logo .dark-logo {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
}

/* Dark theme */
body:not(.light-mode) #project-logo .light-logo {
    opacity: 0;
}

body:not(.light-mode) #project-logo .dark-logo {
    opacity: 1;
}

@media (max-width: 700px) {
    #project-logo {
        top: 0.8rem;
        left: 1rem;
        height: 2rem;
    }
}