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

.navbar-brand {
    font-weight: bold;
    color: #2c3e50 !important;
}

.card {
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.card-header {
    background-color: #2c3e50;
    color: white;
    font-weight: 500;
}

.btn-primary {
    background-color: #3498db;
    border-color: #3498db;
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
}

.table {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
}

.table th {
    background-color: #2c3e50;
    color: white;
}

.alert {
    border-radius: 8px;
}

.bg-dark {
    background-color: #1a252f !important;
}

.nav-link.text-white:hover {
    background-color: #3498db;
    border-radius: 5px;
}

.nav-link i {
    width: 20px;
    text-align: center;
}