/* ==========================================================================
   primitives/page-card.css — shell + card centerpiece
   --------------------------------------------------------------------------
   Reset minimal + body shell + .auth-page (page centerer) + .auth-card
   (card 480px canônico) + variant `.is-wizard` (560px ≥640px) + .auth-divider.
   Responsive padding @640px e @1024px.

   Consumido por:
   • auth-shell.css (aggregator)
   • surfaces standalone que precisem só do card sem demais primitives
   ========================================================================== */

/* ── Reset minimal ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* ── Body shell ────────────────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-surface);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ── Page center ──────────────────────────────────────────────────────── */
.auth-page {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-56) var(--space-16) var(--space-32);
}

/* ── Card canônico ─────────────────────────────────────────────────────
   max-width 480px FIXO pra TODAS surfaces auth — slots OTP rendem mesma
   largura cross-surface. Wizard que precisa mais content adapta verticalmente
   (não horizontalmente). Vide _GOTCHAS.md G-014. */
.auth-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-40) var(--space-28);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  position: relative;            /* permite .autosave-indicator absolute */
}

.auth-divider {
  height: 1px;
  background: var(--border-subtle);
  border: 0;
  margin: 0;
}

/* ── Tablet ≥640px ─────────────────────────────────────────────────────
   Padding maior + wizard expand 560px (apenas tablet+). */
@media (min-width: 640px) {
  .auth-page { padding-top: var(--space-80); }
  .auth-card { padding: var(--space-48) var(--space-40); gap: var(--space-28); }
  .auth-card.is-wizard { max-width: 560px; }
}

/* ── Desktop ≥1024px ─────────────────────────────────────────────────── */
@media (min-width: 1024px) {
  .auth-page { padding-top: 96px; padding-bottom: var(--space-64); }
}