/* PWA — offline banner, install prompt e atualização */

.portal-pwa-offline-banner,
.portal-pwa-install-banner,
.portal-pwa-update-banner {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.15);
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    font-size: 0.875rem;
    line-height: 1.4;
    max-width: min(520px, calc(100vw - 2rem));
    animation: portal-pwa-slide-in 0.35s ease-out;
}

.portal-pwa-offline-banner {
    top: 1rem;
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.portal-pwa-install-banner {
    bottom: 1.25rem;
    background: var(--portal-surface, #ffffff);
    color: var(--portal-text, #0f172a);
    border: 1px solid var(--portal-border, #e2e8f0);
}

.portal-pwa-update-banner {
    bottom: 1.25rem;
    background: #eef2ff;
    color: #312e81;
    border: 1px solid #c7d2fe;
}

.portal-pwa-banner-text {
    flex: 1;
    margin: 0;
}

.portal-pwa-banner-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.portal-pwa-btn {
    border: none;
    border-radius: 8px;
    padding: 0.4rem 0.85rem;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}

.portal-pwa-btn-primary {
    background: #4f46e5;
    color: #fff;
}

.portal-pwa-btn-primary:hover {
    background: #4338ca;
}

.portal-pwa-btn-ghost {
    background: transparent;
    color: inherit;
    opacity: 0.85;
}

.portal-pwa-btn-ghost:hover {
    opacity: 1;
}

@keyframes portal-pwa-slide-in {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.portal-pwa-install-action {
    display: inline-flex;
    align-items: center;
}

.login-pwa-install {
    position: fixed;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 100;
}

@media (prefers-reduced-motion: reduce) {
    .portal-pwa-offline-banner,
    .portal-pwa-install-banner,
    .portal-pwa-update-banner {
        animation: none;
    }
}