/* Shared household authentication surfaces. */
.auth-shell {
  height: 100vh;
  height: 100dvh;
  display: grid;
  place-items: center;
  padding: calc(24px + env(safe-area-inset-top)) 18px calc(24px + env(safe-area-inset-bottom));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.auth-card {
  width: min(420px, 100%);
  max-width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 26px;
}

.auth-brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #20294f;
  color: white;
  font-weight: 800;
  margin-bottom: 18px;
}

.auth-brand-logo {
  width: 64px;
  height: 64px;
  display: block;
  margin-bottom: 18px;
}

.auth-card h1 {
  margin-bottom: 8px;
  font-size: 2rem;
}

.auth-runtime {
  margin: -2px 0 12px;
  color: #475467;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.auth-card p {
  color: var(--muted);
}

.auth-card h2 {
  margin: 10px 0 4px;
  font-size: 1.2rem;
}

.auth-link-button {
  min-height: 40px;
  border: 0;
  background: transparent;
  color: #1849a9;
  font: inherit;
  font-weight: 800;
}

.auth-secondary-panel {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.auth-settings-row {
  display: grid;
  gap: 12px;
}

.auth-settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.passkey-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.passkey-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.passkey-row div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.passkey-row span {
  color: var(--muted);
  font-size: 0.92rem;
}

@media (min-width: 760px) {
  .auth-shell {
    align-items: center;
    background:
      linear-gradient(90deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.5)),
      var(--bg, #f8fafc);
  }

  .auth-card {
    width: min(520px, 100%);
    padding: 34px;
  }
}