.apphub-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.apphub-topbar .back-link {
  width: auto;
  margin: 0;
  padding: 0;
}

.is-login-page .apphub-topbar {
  width: min(960px, 100%);
  margin: 0 auto 16px;
  padding: 0 4px;
}

.apphub-topbar .app-install-button {
  min-height: 44px;
  gap: 8px;
  font-size: .88rem;
}

.app-install-button svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

[data-app-install][hidden] { display: none !important; }

.app-install-dialog {
  width: min(520px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
  box-shadow: 0 24px 60px rgba(15, 23, 42, .24);
}

.app-install-dialog::backdrop {
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(3px);
}

.app-install-dialog h2 { font-size: 1.9rem; }
.app-install-dialog p, .app-install-dialog li { line-height: 1.6; }
.app-install-dialog ol { padding-left: 24px; }
.app-install-dialog li + li { margin-top: 10px; }
.app-install-dialog .hint { margin: 18px 0; }
.app-install-dialog form { display: flex; justify-content: flex-end; }

@media (max-width: 480px) {
  .apphub-topbar .app-install-button { width: 100%; }
  .app-install-dialog { padding: 22px; }
}