.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.login-card {
    width: 100%;
    max-width: 400px;
}

.login-card h2 {
    margin-top: 0;
    text-align: center;
    margin-bottom: 2rem;
}

.btn-block {
    width: 100%;
    margin-top: 1rem;
}