.pwa-install-button{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom));z-index:10000;display:none;align-items:center;gap:9px;border:1px solid #185cf3;border-radius:999px;background:#185cf3;color:#fff;padding:13px 18px;box-shadow:0 4px 16px rgba(0,0,0,.25);font:750 14px/1.1 Inter,ui-sans-serif,system-ui,sans-serif;cursor:pointer;touch-action:manipulation}
.pwa-install-button.is-visible{display:inline-flex}
.pwa-install-button svg{width:17px;height:17px;flex:none}
.pwa-help-dialog{width:min(90vw,390px);border:1px solid #d9e2f1;border-radius:20px;background:#fff;color:#101a2b;padding:24px;box-shadow:0 24px 80px #102b5940}
.pwa-help-dialog::backdrop{background:#08162bb8;backdrop-filter:blur(5px)}
.pwa-help-dialog h2{margin:0 0 12px;font:750 19px/1.25 Inter,ui-sans-serif,system-ui,sans-serif}
.pwa-help-dialog p,.pwa-help-dialog li{font:400 14px/1.55 Inter,ui-sans-serif,system-ui,sans-serif;color:#596a82}
.pwa-help-dialog ol{padding-left:21px;margin:10px 0 18px}
.pwa-help-dialog li+li{margin-top:8px}
.pwa-help-dialog .pwa-close{width:100%;min-height:48px;border:0;border-radius:12px;padding:13px 14px;background:#185cf3;color:#fff;font:750 14px Inter,ui-sans-serif,system-ui,sans-serif;cursor:pointer;touch-action:manipulation}
@media(max-width:520px){.pwa-install-button{right:13px;bottom:calc(13px + env(safe-area-inset-bottom));padding:11px 14px}}