:root {
    --brand: #00ed3b;
    --card: #12181a;
    --muted: #c7d1cc;
    --ink: #e2e7e3;
}

.assinatura-msg {
    background: var(--card);
    color: var(--ink);
    border-left: 4px solid var(--brand);
    box-shadow: 0 2px 4px rgba(0,0,0,.15);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}