.return-btn { 
    position: absolute; 
    top: -50px; 
    cursor: pointer; 
    font-family: 'Courier New', monospace; 
    font-size: 0.6rem; 
    color: var(--latin-color); 
    text-transform: uppercase; 
    letter-spacing: 0.1em; 
    transition: color 0.3s; 
    z-index: 100;
}
.return-btn:hover { 
    color: var(--accent-color); 
}
.theme-toggle { position: absolute; top: 20px; right: 20px; cursor: pointer; font-family: 'Courier New', monospace; font-size: 0.7rem; color: var(--latin-color); border: 1px solid var(--sep-color); padding: 5px 10px; z-index: 100; }