body {
    background-color: #ffffff;
}

.card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 1px solid #ffebee;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background-color: #d32f2f !important;
}

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

.navbar-dark .nav-link:hover {
    color: #ffebee !important;
}

.card-title {
    color: #d32f2f;
}

.form-control:focus {
    border-color: #d32f2f;
    box-shadow: 0 0 0 0.2rem rgba(211, 47, 47, 0.25);
}

.btn-primary {
    background-color: #d32f2f;
    border-color: #d32f2f;
}

.btn-primary:hover {
    background-color: #b71c1c;
    border-color: #b71c1c;
}

.btn-secondary {
    background-color: #ffffff;
    border-color: #d32f2f;
    color: #d32f2f;
}

.btn-secondary:hover {
    background-color: #ffebee;
    border-color: #d32f2f;
    color: #d32f2f;
}

.alert-info {
    background-color: #ffebee;
    border-color: #ffcdd2;
    color: #d32f2f;
}