/* PWA Install Prompt */
.pwa-install-banner{display:none;position:fixed;bottom:20px;left:50%;transform:translateX(-50%);width:92%;max-width:400px;background:#fff;border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.18);z-index:99999;padding:20px;animation:pwaSlideUp .4s ease}
.pwa-install-banner.show{display:block}
@keyframes pwaSlideUp{from{transform:translateX(-50%) translateY(100px);opacity:0}to{transform:translateX(-50%) translateY(0);opacity:1}}
.pwa-install-banner .pwa-header{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.pwa-install-banner .pwa-icon{width:52px;height:52px;border-radius:14px;object-fit:cover;box-shadow:0 2px 8px rgba(26,115,232,.2)}
.pwa-install-banner .pwa-info h4{margin:0;font-size:16px;font-weight:700;color:#1a1a2e}
.pwa-install-banner .pwa-info p{margin:2px 0 0;font-size:12px;color:#6b7280}
.pwa-install-banner .pwa-actions{display:flex;gap:10px}
.pwa-install-banner .pwa-btn-install{flex:1;padding:11px;border:none;border-radius:12px;background:linear-gradient(135deg,#1a73e8 0%,#0f5eea 100%);color:#fff;font-weight:600;font-size:14px;cursor:pointer;transition:transform .1s}
.pwa-install-banner .pwa-btn-install:active{transform:scale(.97)}
.pwa-install-banner .pwa-btn-later{padding:11px 18px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;color:#6b7280;font-weight:500;font-size:14px;cursor:pointer}
.pwa-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.3);z-index:99998}
.pwa-overlay.show{display:block}