#sahand-install { position:fixed; bottom:18px; right:18px; width:350px; max-width:calc(100vw - 32px); z-index:990; direction:rtl; text-align:right; padding:20px; border:1px solid #d6e3f5; border-radius:20px; background:#fff; color:#172f4b; box-shadow:0 12px 40px #172f4b26; font-family:inherit; box-sizing:border-box; }
#sahand-install[hidden], #sahand-install [hidden] { display:none !important; }
#sahand-install .si-install-close { position:absolute; top:8px; left:8px; width:32px; height:32px; border:0; border-radius:50%; background:#f0f5fe; color:#526b85; font-size:24px; cursor:pointer; }
#sahand-install .si-install-title { display:block; padding-left:28px; font-size:17px; margin:0 0 8px; }
#sahand-install p { font-size:12px; line-height:2; margin:0 0 12px; color:#61758c; }
#sahand-install .si-install-action { background:#155cce; color:#fff; border:0; border-radius:11px; min-height:44px; padding:10px 18px; width:100%; font:inherit; font-size:14px; cursor:pointer; }
#sahand-install .si-install-action:disabled { opacity:.65; cursor:wait; }
#sahand-install button:focus-visible { outline:3px solid #83ace8; outline-offset:3px; }
#sahand-install .si-install-help { margin-top:12px; padding:12px; background:#f0f5fe; border-radius:12px; font-size:12px; line-height:2.1; max-height:35vh; overflow:auto; }
@media(max-width:480px) { #sahand-install { bottom:calc(14px + env(safe-area-inset-bottom,0px)); right:16px; padding:18px; } }
@media(display-mode:standalone) { #sahand-install { display:none !important; } }