body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 20px;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

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

.card {
    transition: transform 0.3s;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
}

.card-body {
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.display-5 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.table-responsive {
    overflow-x: auto;
}

@media (max-width: 768px) {
    .login-container {
        margin: 50px auto;
        width: 90%;
    }
    
    .navbar-nav {
        margin-top: 10px;
    }
    
    .card {
        margin-bottom: 20px;
    }
}