.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 7rem var(--space-8) var(--space-9);
  background:
    radial-gradient(900px 300px at 50% -120px, color-mix(in srgb, var(--color-accent) 5%, transparent), transparent 72%),
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 48%, var(--color-surface-muted) 100%);
}

.auth-body nav { justify-content: center; }

.auth-card {
  width: min(26.875rem, 100%);
  padding: var(--space-11) var(--space-10);
  border-radius: var(--radius-xl);
  background: color-mix(in srgb, var(--color-surface) 94%, transparent);
  box-shadow: var(--shadow-card);
}

.auth-eyebrow {
  margin-bottom: var(--space-5);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.auth-card h1 {
  margin-bottom: var(--space-4);
  font-family: var(--font-family-display);
  font-size: var(--font-size-display-sm);
  font-weight: var(--font-weight-regular);
  letter-spacing: -0.02em;
  line-height: var(--line-height-tight);
}

.auth-subtitle,
.auth-footnote,
.auth-message {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.auth-subtitle { margin-bottom: var(--space-7); font-size: var(--font-size-lg); }
.auth-form { display: grid; gap: var(--space-5); }
.auth-form .form-label { margin-bottom: var(--space-3); letter-spacing: 0.08em; text-transform: uppercase; }
.auth-form .form-control { min-height: var(--control-height-lg); border-radius: var(--radius-lg); }

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin: var(--space-6) 0;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border-subtle);
}

.google-button { width: 100%; gap: var(--space-4); text-transform: none; letter-spacing: 0; }
.google-button:hover { transform: translateY(-1px); }
.auth-message { min-height: 1.2rem; font-size: var(--font-size-md); }
.auth-success { color: var(--color-success); }
.auth-error { color: var(--color-danger); }
.auth-footnote { margin-top: var(--space-6); font-size: var(--font-size-sm); }
.auth-footnote a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }

@media (max-width: 500px) {
  .auth-page { padding: 6rem var(--space-7) var(--space-7); }
  .auth-card { padding: var(--space-9) var(--space-8); }
  .auth-card h1 { font-size: 1.7rem; }
}