.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    font-weight: bold;
}

.nav-link.active {
    font-weight: bold;
    color: #0d6efd !important;
}

footer {
    margin-top: auto;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}