#passkey-dialog {
  width: min(540px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  box-sizing: border-box;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  color: var(--text);
  background: var(--surface, white);
}
#passkey-dialog::backdrop { background: rgba(0, 0, 0, .45); }
#passkey-dialog h2 { margin: 0; font-size: 1.25rem; }
#passkey-dialog header, .passkey-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
#passkey-dialog label { display: grid; gap: 6px; margin: 16px 0; }
#passkey-dialog input { min-width: 0; width: 100%; box-sizing: border-box; }
.passkey-row { padding: 12px 0; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.passkey-row span { overflow-wrap: anywhere; min-width: 0; flex: 1 1 160px; }
#passkey-message { overflow-wrap: anywhere; }
#passkey-login { width: 100%; }