body {
    background: url('/img/login-bg.png') no-repeat center center fixed;
    background-size: cover;
}

.login-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 0;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.login-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 2.5rem;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0,0,0,.25);
    text-align: center;
}

    .login-card h1 {
        font-size: 1.8rem;
        margin-bottom: .5rem;
    }

    .login-card .subtitle {
        color: #6c757d;
        margin-bottom: 2rem;
    }