/* PWA Offline Banner & Sync Indicators */

/* Offline banner at the top of the page */
#pwa-offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: #fff;
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

#pwa-offline-banner.d-none {
    display: none !important;
}

#pwa-offline-banner .bi {
    font-size: 1rem;
}

/* Push body content down when banner is visible */
body.pwa-offline {
    padding-top: 2.5rem;
}

/* Sync badge (shown in navbar or near notifications) */
#pwa-sync-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: #ffc107;
    color: #212529;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 1rem;
    margin-left: 0.5rem;
    white-space: nowrap;
    animation: pwa-pulse 2s ease-in-out infinite;
}

#pwa-sync-badge.d-none {
    display: none !important;
}

@keyframes pwa-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* SW update notification */
#pwa-update-banner {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 9998;
    background: #0d6efd;
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 360px;
}

#pwa-update-banner.d-none {
    display: none !important;
}

#pwa-update-banner button {
    background: #fff;
    color: #0d6efd;
    border: none;
    padding: 0.35rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

#pwa-update-banner button:hover {
    background: #e9ecef;
}

/* Cached data indicator on API-driven content */
.pwa-cached-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: #6c757d;
    font-style: italic;
}

.pwa-cached-indicator::before {
    content: '\f524'; /* Bootstrap Icons cloud-slash */
    font-family: 'bootstrap-icons';
    font-style: normal;
}

/* Install prompt (for desktop/tablet) */
#pwa-install-prompt {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9997;
    background: #fff;
    border: 1px solid #dee2e6;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 440px;
    width: calc(100% - 2rem);
}

#pwa-install-prompt.d-none {
    display: none !important;
}

#pwa-install-prompt .pwa-install-icon {
    font-size: 2rem;
    color: #0d6efd;
    flex-shrink: 0;
}

#pwa-install-prompt .pwa-install-text {
    flex: 1;
}

#pwa-install-prompt .pwa-install-text h6 {
    margin: 0 0 0.25rem;
    font-size: 0.9rem;
}

#pwa-install-prompt .pwa-install-text p {
    margin: 0;
    font-size: 0.8rem;
    color: #6c757d;
}

#pwa-install-prompt .pwa-install-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

#pwa-install-prompt .btn-install {
    background: #0d6efd;
    color: #fff;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 0.25rem;
    font-size: 0.85rem;
    cursor: pointer;
}

#pwa-install-prompt .btn-dismiss {
    background: transparent;
    color: #6c757d;
    border: none;
    padding: 0.4rem 0.5rem;
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
}