{{-- PWA Install Banner (Android + iOS) --}}
<div id="pwa-install-banner" style="display: none;">
    <style>
        #pwa-install-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #1f2937;
            color: white;
            padding: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            z-index: 9999;
            box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
        }
        #pwa-install-banner .pwa-text {
            flex: 1;
            font-size: 0.9rem;
            line-height: 1.4;
        }
        #pwa-install-banner .pwa-text strong {
            display: block;
            font-size: 1rem;
            margin-bottom: 0.2rem;
        }
        #pwa-install-banner .pwa-ios-steps {
            font-size: 0.82rem;
            margin-top: 0.3rem;
            color: rgba(255,255,255,0.85);
        }
        #pwa-install-banner .pwa-ios-steps .pwa-icon {
            display: inline-block;
            vertical-align: middle;
            font-size: 1.05rem;
        }
        #pwa-install-banner button {
            border: none;
            padding: 0.6rem 1.2rem;
            border-radius: 0.4rem;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
        }
        #pwa-install-banner .pwa-install-btn {
            background: white;
            color: #1f2937;
            font-weight: 600;
        }
        #pwa-install-banner .pwa-dismiss-btn {
            background: transparent;
            color: rgba(255,255,255,0.8);
            padding: 0.6rem;
            font-size: 1.2rem;
        }
    </style>

    <div class="pwa-text">
        <strong id="pwa-title">{{ __('ui.pwa_install_title') }}</strong>
        <span id="pwa-desc">{{ __('ui.pwa_install_text') }}</span>
        <div id="pwa-ios-steps" class="pwa-ios-steps" style="display: none;">
            {!! app(\App\Services\HtmlSanitizerService::class)->sanitize(__('ui.pwa_ios_steps')) !!}
        </div>
    </div>
    <button class="pwa-install-btn" id="pwa-install-btn">{{ __('ui.pwa_install_btn') }}</button>
    <button class="pwa-dismiss-btn" id="pwa-dismiss-btn">&times;</button>
</div>

<script>
    (function() {
        let deferredPrompt;
        const banner = document.getElementById('pwa-install-banner');
        const installBtn = document.getElementById('pwa-install-btn');
        const dismissBtn = document.getElementById('pwa-dismiss-btn');
        const iosSteps = document.getElementById('pwa-ios-steps');

        const dismissed = localStorage.getItem('pwa-install-dismissed');
        const isStandalone = window.matchMedia('(display-mode: standalone)').matches
            || window.navigator.standalone === true;

        // Reset nach 30 Tagen
        if (dismissed && (Date.now() - parseInt(dismissed)) > 30 * 24 * 60 * 60 * 1000) {
            localStorage.removeItem('pwa-install-dismissed');
        }

        // Bereits installiert → nichts anzeigen
        if (isStandalone) return;

        // iOS-Erkennung (iPhone, iPad, iPod)
        const isIOS = /iPad|iPhone|iPod/.test(navigator.userAgent)
            || (navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1);

        if (isIOS) {
            // iOS: Manuellen Hinweis zeigen (kein beforeinstallprompt)
            if (!dismissed) {
                installBtn.style.display = 'none';
                iosSteps.style.display = 'block';
                banner.style.display = 'flex';
            }
        } else {
            // Android/Chrome: beforeinstallprompt abfangen
            window.addEventListener('beforeinstallprompt', (e) => {
                e.preventDefault();
                deferredPrompt = e;

                if (!dismissed) {
                    banner.style.display = 'flex';
                }
            });
        }

        installBtn.addEventListener('click', async () => {
            if (!deferredPrompt) return;

            deferredPrompt.prompt();
            await deferredPrompt.userChoice;

            deferredPrompt = null;
            banner.style.display = 'none';
        });

        dismissBtn.addEventListener('click', () => {
            banner.style.display = 'none';
            localStorage.setItem('pwa-install-dismissed', Date.now());
        });
    })();
</script>