.setup-page,
.login-page {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bs-body-bg);
  overflow: auto;
  padding: 24px;
}

.setup-card,
.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  padding: 36px 32px;
}

.setup-logo,
.login-logo {
  text-align: center;
  margin-bottom: 24px;
}

.setup-logo img,
.login-logo img {
  width: 64px;
  height: 64px;
  border-radius: 14px;
}

.setup-title,
.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin: 0 0 6px;
}

.setup-subtitle,
.login-subtitle {
  text-align: center;
  color: var(--placeholder-color);
  font-size: .9rem;
  margin: 0 0 28px;
}

.setup-error,
.login-error {
  background: rgba(220, 53, 69, .1);
  border: 1px solid rgba(220, 53, 69, .35);
  border-radius: var(--card-radius);
  padding: 10px 14px;
  margin-bottom: 18px;
  font-size: .85rem;
  color: #dc3545;
}

.setup-warn {
  background: rgba(255, 193, 7, .1);
  border: 1px solid rgba(255, 193, 7, .35);
  border-radius: var(--card-radius);
  padding: 12px 14px;
  margin-top: 18px;
  font-size: .82rem;
  color: var(--bs-secondary-color);
}

.setup-warn strong {
  color: #b8860b;
}

[data-bs-theme="dark"] .setup-warn strong {
  color: #ffc107;
}

.setup-submit,
.login-submit {
  width: 100%;
  margin-top: 24px;
}

.setup-spinner,
.login-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  display: inline-block;
  animation: setup-spin .65s linear infinite;
  vertical-align: -3px;
  margin-right: 6px;
}

@keyframes setup-spin {
  to { transform: rotate(360deg); }
}
.login-spinner {
  animation-name: setup-spin;
}