body {
    background-color: #f8f9fa;
    color: #212529;
    font-family: 'Roboto', sans-serif;
}

.navbar {
    background-color: #343a40 !important;
}

.navbar-brand {
    font-weight: 700;
}

.table {
    background-color: #ffffff;
    border-radius: 8px;
}
.table th {
    background-color: #007bff;
    color: #ffffff;
}

.shadow {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}
.form-label {
    font-weight: 600;
}
.form-control {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
}
.form-control:focus {
    background-color: #ffffff;
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}
.btn-outline-secondary {
    border-color: #6c757d;
}
h4 {
    font-weight: 600;
    color: #343a40;
}
.nav-pills .nav-link {
    color: #343a40;
    border-radius: 4px;
}
.nav-pills .nav-link.active {
    background-color: #007bff;
    color: #ffffff;
}