body, html {
    height: 100%;
    background: #f8f9fa;
}

.login-container {
    max-width: 400px;
    margin: 0 auto;
    padding-top: 5rem;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card-body {
    padding: 2rem;
}

.btn-primary {
    background-color: #4e73df;
    border: none;
    padding: 10px;
}

.btn-primary:hover {
    background-color: #3a5ec0;
}

.alert {
    margin-bottom: 1.5rem;
}