body {
    background-color: #f3f4f7;
    font-family: 'Inter', system-ui, sans-serif;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    max-width: 400px;
    width: 100%;
    border-radius: 12px;
    border: none;
}
.btn-primary {
    background-color: #0d6efd;
    padding: 0.8rem;
    font-weight: 600;
}
.form-control {
    padding: 0.8rem 1rem;
    border-radius: 8px;
}
.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
}