body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
    background-color: #003366;
}

.navbar-brand, .nav-link {
    color: #fff !important;
}

.container {
    margin-top: 30px;
}

.card {
    border: none;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    border-radius: 10px;
}

.btn-primary {
    background-color: #0055a5;
    border-color: #0055a5;
}

.btn-primary:hover {
    background-color: #003f7d;
    border-color: #003f7d;
}