.pwa-install-button{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:90;
  display:flex;
  align-items:center;
  gap:9px;
  border:0;
  border-radius:14px;
  padding:12px 15px;
  background:var(--brand,#1d68f0);
  color:#fff;
  font-weight:800;
  cursor:pointer;
  box-shadow:0 12px 32px rgba(20,52,100,.24);
}
.pwa-install-button:hover{filter:brightness(.96)}
.pwa-install-icon{
  width:25px;height:25px;border-radius:8px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.17);
  font-size:17px;
}
.pwa-update-toast{
  position:fixed;
  left:50%;
  bottom:18px;
  transform:translateX(-50%);
  z-index:120;
  width:min(520px,calc(100% - 28px));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:13px 14px 13px 16px;
  background:#17243a;
  color:#fff;
  border-radius:15px;
  box-shadow:0 16px 44px rgba(17,31,52,.3);
}
.pwa-update-toast b,.pwa-update-toast span{display:block}
.pwa-update-toast span{margin-top:3px;color:#bfc9d8;font-size:12px}
.pwa-update-toast button{
  flex:0 0 auto;
  border:0;
  border-radius:10px;
  padding:9px 13px;
  background:#fff;
  color:#17243a;
  font-weight:800;
  cursor:pointer;
}
.pwa-ios-modal{
  position:fixed;
  inset:0;
  z-index:200;
  display:grid;
  place-items:center;
  padding:18px;
  background:rgba(15,25,38,.55);
  backdrop-filter:blur(5px);
}
.pwa-ios-card{
  position:relative;
  width:min(430px,100%);
  padding:26px;
  border-radius:22px;
  background:#fff;
  color:#17202a;
  box-shadow:0 24px 70px rgba(0,0,0,.25);
}
.pwa-ios-close{
  position:absolute;right:14px;top:12px;
  width:36px;height:36px;border:0;border-radius:10px;
  background:#f2f4f7;color:#53606e;font-size:22px;cursor:pointer;
}
.pwa-ios-app-icon{
  width:64px;height:64px;border-radius:17px;
  display:grid;place-items:center;
  background:#1d68f0;color:#fff;
  font-size:32px;font-weight:900;
  box-shadow:0 10px 25px rgba(29,104,240,.24);
}
.pwa-ios-card h2{margin:15px 0 8px;font-size:22px}
.pwa-ios-card p{margin:0;color:#6f7b87;line-height:1.55}
.pwa-ios-card ol{list-style:none;margin:18px 0;padding:0;display:grid;gap:10px}
.pwa-ios-card li{display:flex;align-items:center;gap:10px;color:#4e5965}
.pwa-ios-card li span{
  width:27px;height:27px;border-radius:9px;
  display:grid;place-items:center;
  background:#edf4ff;color:#1d68f0;font-size:12px;font-weight:900;
}
.pwa-ios-ok{
  width:100%;border:0;border-radius:11px;
  padding:12px 15px;background:#1d68f0;color:#fff;font-weight:800;cursor:pointer;
}
.pwa-standalone body{overscroll-behavior-y:none}
.hidden{display:none!important}
@media(max-width:640px){
  .pwa-install-button{right:12px;bottom:12px;left:12px;justify-content:center}
  .pwa-update-toast{bottom:12px}
  .pwa-ios-card{padding:22px 19px}
}


/* Touch-friendly cross-browser install UI v45 */
.pwa-install-button{min-height:50px;touch-action:manipulation;bottom:max(16px,env(safe-area-inset-bottom))}
.pwa-ios-modal{padding:max(16px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom))}
.pwa-ios-card{max-height:calc(100dvh - 32px);overflow-y:auto;overscroll-behavior:contain}
.pwa-ios-close{width:44px;height:44px}
.pwa-ios-ok{min-height:48px}
@media(max-width:1180px) and (pointer:coarse){
  .pwa-install-button{min-height:52px;border-radius:15px}
  .pwa-install-icon{width:28px;height:28px}
  .pwa-update-toast button{min-height:44px}
}
@media(max-width:640px){.pwa-install-button{bottom:max(12px,env(safe-area-inset-bottom))}}


/* Clear post-install confirmation and icon v46 */
.pwa-guide-icon{display:block;width:64px;height:64px;object-fit:contain;border-radius:16px;background:#1d68f0;box-shadow:0 8px 20px rgba(29,104,240,.18)}
.pwa-ios-card .pwa-guide-note{margin:13px 0 0;color:#748292;font-size:12px;line-height:1.5}
.pwa-guide-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:18px}
.pwa-guide-confirm{min-height:48px;display:grid;place-items:center;padding:10px;border:1px solid #acd9bf;border-radius:11px;background:#e9f8ef;color:#176a3c;font-weight:800;cursor:pointer;touch-action:manipulation}
.pwa-guide-actions .pwa-ios-ok{min-height:48px}
.pwa-ios-close{z-index:2}
@media(max-width:380px){.pwa-guide-actions{grid-template-columns:1fr}.pwa-ios-card{padding:18px 15px}}