/* PWA Install Popup – bottom sheet */
#pwa-install-popup{position:fixed;inset:0;z-index:10000;display:flex;align-items:flex-end;justify-content:center;pointer-events:none;opacity:0;transition:opacity .25s}
#pwa-install-popup.is-visible{opacity:1;pointer-events:auto}
#pwa-install-popup .pwa-backdrop{position:absolute;inset:0;background:rgba(7,11,20,0.52);backdrop-filter:blur(4px)}
#pwa-install-popup .pwa-sheet{position:relative;width:100%;max-width:520px;margin:0 12px 18px 12px;background:#1e222b;border:1px solid rgba(255,255,255,0.08);border-radius:20px;padding:18px 18px 16px 18px;box-shadow:0 20px 60px rgba(0,0,0,0.45);display:flex;gap:14px;align-items:center;flex-wrap:wrap;transform:translateY(16px);transition:transform .3s cubic-bezier(.16,1,.3,1)}
#pwa-install-popup.is-visible .pwa-sheet{transform:translateY(0)}
#pwa-install-popup .pwa-close{position:absolute;top:8px;right:10px;width:28px;height:28px;border:0;background:rgba(255,255,255,0.06);color:#a8b5c3;border-radius:50%;display:grid;place-items:center;cursor:pointer;font-size:18px;line-height:1}
#pwa-install-popup .pwa-icon{flex-shrink:0;width:48px;height:48px;border-radius:12px;overflow:hidden;background:#fff;display:grid;place-items:center;box-shadow:0 2px 10px rgba(0,0,0,0.2)}
#pwa-install-popup .pwa-icon img{width:48px;height:48px;object-fit:cover}
#pwa-install-popup .pwa-text{flex:1;min-width:180px}
#pwa-install-popup .pwa-title{margin:0 0 4px 0;font-size:15px;font-weight:700;color:#f8fafc;letter-spacing:-0.01em}
#pwa-install-popup .pwa-desc{margin:0;font-size:12px;line-height:1.5;color:#a8b5c3}
#pwa-install-popup .pwa-ios-hint{margin:8px 0 0 0;font-size:11px;color:#cbd5e1;background:rgba(255,255,255,0.06);padding:6px 8px;border-radius:8px}
#pwa-install-popup .pwa-actions{display:flex;gap:8px;align-items:center;margin-left:auto;flex-wrap:wrap}
.pwa-btn{appearance:none;border:0;border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700;cursor:pointer;transition:all .18s}
.pwa-btn-primary{background:#fff;color:#0f172a;box-shadow:0 4px 14px rgba(0,0,0,0.18)}
.pwa-btn-primary:hover{background:#f1f5f9;transform:translateY(-1px)}
.pwa-btn-secondary{background:transparent;color:#cbd5e1;border:1px solid rgba(255,255,255,0.14)}
.pwa-btn-secondary:hover{background:rgba(255,255,255,0.06);color:#fff}
@media(max-width:480px){
  #pwa-install-popup .pwa-sheet{padding:16px 14px 14px 14px;gap:10px}
  #pwa-install-popup .pwa-actions{width:100%;justify-content:stretch}
  #pwa-install-popup .pwa-actions .pwa-btn{flex:1}
}