.not-found{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;background-color:#f8f9fa;color:#dc3545;text-align:center;padding:0 1rem}.not-found h5{margin:1rem 0}.not-found a{text-decoration:none;color:#007bff;font-weight:700;margin-top:1rem}.not-found a:hover{text-decoration:underline}