.pwa-banner {
    position: fixed;
    z-index: 900;
    inset-inline: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    margin-inline: auto;
    max-width: 480px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 12px;
    padding: 12px 14px;
    background: #12263F;
    color: #fff;
    border: 1px solid rgba(217, 150, 43, .6);
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(10, 22, 40, .35);
    font-family: 'IRANSharp', 'Segoe UI', Tahoma, sans-serif;
    font-size: 13px;
    line-height: 1.7;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .25s ease, transform .25s ease;
    pointer-events: none;
}

.pwa-banner.show {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.pwa-icon {
    flex: none;
    border-radius: 11px;
}

.pwa-copy {
    flex: 1 1 180px;
    min-width: 0;
    display: grid;
}

.pwa-copy strong {
    font-size: 14px;
}

.pwa-copy span {
    color: #dbe3ee;
}

.pwa-actions {
    display: flex;
    gap: 8px;
    margin-inline-start: auto;
}

.pwa-btn {
    min-height: 44px;
    padding: 6px 18px;
    border-radius: 11px;
    border: 1px solid rgba(255, 255, 255, .35);
    background: transparent;
    color: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.pwa-btn.primary {
    background: #D9962B;
    border-color: #D9962B;
    color: #12263F;
}

.pwa-btn:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .pwa-banner { transition: none; }
}

@media print {
    #pwa-root { display: none; }
}