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

.card {
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.table {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn {
    border-radius: 4px;
}

.modal-content {
    border-radius: 8px;
}

#login-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
}

#login-page .card {
    max-width: 500px;
    width: 100%;
}

@media (max-width: 768px) {
    .row {
        margin-left: 0;
        margin-right: 0;
    }
    
    .col-md-3 {
        margin-bottom: 15px;
    }
}