.install-dialog {
  width: min(92vw, 520px);
  padding: 34px;
  border: 0;
  border-radius: 26px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 28px 80px rgba(21, 47, 69, .35);
}
.install-dialog::backdrop { background: rgba(21, 47, 69, .62); backdrop-filter: blur(4px); }
.install-dialog img { width: 76px; height: 76px; border-radius: 18px; }
.install-dialog h2 { margin: 18px 0 16px; color: var(--navy); font: 500 32px/1.1 Georgia, serif; }
.install-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 25px; }
.install-choice button { min-height: 58px; border: 2px solid var(--navy); border-radius: 16px; font-size: 21px; font-weight: 800; cursor: pointer; }
#confirmInstall { color: #fff; background: var(--navy); }
#cancelInstall { color: var(--navy); background: transparent; }