/* Faixa "nova versão disponível" (criada por js/versao.js). Só tokens do design system. */
.app-update-banner {
    position: fixed;
    left: 50%;
    bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
    transform: translateX(-50%);
    z-index: 2000; /* acima de diálogos e snackbars do MudBlazor */
    box-sizing: border-box;
    width: min(560px, calc(100% - var(--space-8)));
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-3) var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--surface-inverse);
    color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    font-family: var(--font-sans);
    font-size: var(--fs-p4);
    animation: app-update-banner-in 0.25s ease-out;
}

.app-update-banner__texto {
    flex: 1 1 220px;
    text-align: center;
}

.app-update-banner button {
    font: inherit;
    cursor: pointer;
    border: 0;
    border-radius: var(--radius-pill);
    padding: var(--space-2) var(--space-4);
}

.app-update-banner__atualizar {
    background: var(--surface-accent);
    color: var(--black);
    font-weight: 700;
}

.app-update-banner__depois {
    background: transparent;
    color: var(--white);
    text-decoration: underline;
}

.app-update-banner button:focus-visible {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

@keyframes app-update-banner-in {
    from { opacity: 0; transform: translate(-50%, var(--space-4)); }
    to   { opacity: 1; transform: translate(-50%, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .app-update-banner { animation: none; }
}