body {
    background: #f4f6fb;
}
.navbar {
    box-shadow: 0 4px 8px rgba(0,0,0,0.03);
}
.card {
    border-radius: 1rem;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.footer {
    background: #e3e7ef;
    color: #666;
}
.btn-primary, .bg-primary {
    background-color: #0067b8 !important;
    border-color: #0067b8 !important;
}