/**
 * PWA install hint — operational, honest, non-blocking.
 * Uses φ tokens only. No phi-gray on dark surfaces.
 */
.helios-pwa-hint {
    position: fixed;
    z-index: 1080;
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg, 12px);
    background: var(--bg-card, var(--surface-elevated, #0f172a));
    color: var(--text-primary, #f8fafc);
    border: var(--space-px, 1px) solid var(--border-subtle, rgba(255, 255, 255, 0.12));
    box-shadow: var(--shadow-lg, 0 12px 32px rgba(0, 0, 0, 0.28));
}

.helios-pwa-hint__text {
    margin: 0;
    font-size: var(--text-sm, 0.875rem);
    line-height: var(--leading-snug, 1.4);
}

.helios-pwa-hint__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: flex-end;
}

@media (min-width: 838px) {
    .helios-pwa-hint {
        left: auto;
        width: min(34rem, calc(100vw - var(--space-8)));
    }
}

@media (max-width: 517px) {
    .helios-pwa-hint {
        bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
    }
}