.auth-page {
  display: grid;
  min-height: 100vh;
  padding: 1.5rem;
  place-items: center;
  background:
    radial-gradient(circle at 10% 15%, rgba(192, 194, 157, 0.28), transparent 20rem),
    var(--color-background);
}

.auth-card {
  width: min(100%, 480px);
  overflow: hidden;
  border-radius: 22px;
  background: var(--color-white);
  box-shadow: var(--shadow);
}

.auth-header {
  padding: 2rem;
  color: var(--color-white);
  background: var(--color-admin);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.auth-brand .brand-mark {
  color: var(--color-foreground);
  background: var(--color-background);
}

.auth-brand strong {
  display: block;
  font-size: 1.1rem;
}

.auth-brand span:last-child {
  display: block;
  margin-top: 0.2rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.auth-header h1 {
  margin: 2rem 0 0;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 2.8rem;
  line-height: 1;
}

.auth-body {
  padding: 2rem;
}

.auth-body h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
}

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

.auth-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.auth-form label {
  display: grid;
  gap: 0.4rem;
  color: var(--color-foreground);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-form input,
.auth-form select {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(94, 58, 29, 0.22);
  border-radius: 8px;
  color: var(--color-foreground);
  background: var(--color-background);
  font: inherit;
}

.auth-form input:focus,
.auth-form select:focus {
  border-color: var(--color-foreground);
  outline: 3px solid rgba(192, 194, 157, 0.45);
}

.auth-button,
.admin-button {
  padding: 0.8rem 1rem;
  border: 0;
  border-radius: 8px;
  color: var(--color-white);
  background: var(--color-foreground);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  transition: transform 160ms ease, opacity 160ms ease;
}

.auth-button:hover,
.admin-button:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

.auth-button:disabled,
.admin-button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.auth-link {
  color: var(--color-foreground);
  font-size: 0.9rem;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.auth-alert {
  display: none;
  padding: 0.8rem 0.9rem;
  border-radius: 8px;
  color: #7c2d12;
  background: #ffedd5;
  font-size: 0.9rem;
}

.auth-alert.is-visible {
  display: block;
}

.auth-panel[hidden] {
  display: none;
}

.qr-code {
  display: block;
  width: 220px;
  height: 220px;
  margin: 1rem auto;
  border: 8px solid var(--color-white);
  box-shadow: 0 0 0 1px rgba(94, 58, 29, 0.14);
}

.secret-code,
.backup-codes {
  padding: 0.8rem;
  border-radius: 8px;
  color: var(--color-foreground);
  background: var(--color-background);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.backup-codes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem 1rem;
}

.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
}

@media (max-width: 520px) {
  .auth-page {
    padding: 0;
  }

  .auth-card {
    min-height: 100vh;
    border-radius: 0;
  }

  .auth-header,
  .auth-body {
    padding: 1.5rem;
  }
}