.mobile-support-toggle{display:none}
@media(max-width:620px){
  #auth-dialog{width:calc(100% - 24px);max-height:calc(100dvh - 24px)}
  #auth-dialog .auth-content{padding:0 20px 20px}
  #auth-dialog .dialog-top{position:sticky;top:0;z-index:2;background:var(--panel);border-bottom:1px solid var(--line)}
  #auth-dialog .auth-form input{font-size:16px}
  #auth-dialog .close-dialog{flex:none;min-width:44px;min-height:44px}
  #auth-dialog .auth-links{gap:8px 16px;margin-top:12px}
  #auth-dialog .auth-links button{min-height:44px;padding:10px 0}
  #auth-dialog .auth-status:empty{min-height:0;margin:0}
  #auth-dialog .mobile-support-toggle{display:block;width:100%;min-height:44px;margin:16px 0 0;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--accent);font:inherit;font-weight:600;cursor:pointer}
  #auth-dialog[data-mobile-support-open="false"] .vip-purchase{display:none}
  #auth-dialog .vip-purchase{margin-top:16px}
}