.pwa-install-card{
  position:fixed;left:50%;bottom:calc(86px + env(safe-area-inset-bottom,0px));
  transform:translateX(-50%);width:min(390px,calc(100% - 24px));
  max-height:calc(100dvh - 116px);overflow:auto;z-index:86;
  padding:18px;border:1px solid var(--line);border-radius:var(--ds-radius-lg,16px);
  background:var(--panel,#101d3b);color:var(--text,#f2f7ff);box-shadow:0 12px 36px #0005;
}
.pwa-install-card[hidden]{display:none}
.pwa-install-card h2{font-size:18px;line-height:1.45;letter-spacing:-.5px;margin:0 0 8px}
.pwa-install-card p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 16px;word-break:keep-all}
.pwa-install-actions{display:flex;gap:8px;flex-wrap:wrap}
.pwa-install-actions .btn{min-height:44px;font-size:14px}
.pwa-install-actions .primary{flex:1}
.pwa-install-card button:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.pwa-install-steps{list-style:none;padding:0;margin:12px 0 16px;display:grid;gap:14px}
.pwa-install-steps li{display:flex;gap:12px;font-size:14px;line-height:1.5}
.pwa-install-steps svg{width:26px;height:26px;flex-shrink:0;color:var(--blue)}
.pwa-install-steps small{display:block;color:var(--muted);margin-top:3px;font-size:12px}
@media(min-width:901px){
  .pwa-install-card{left:auto;right:24px;bottom:150px;transform:none;width:330px;padding:16px}
  .pwa-install-card h2{font-size:16px}
}