/* Página de conexión Avo · identidad AVO (HUB-DESIGN-CONTEXT + skill de diseño).
   Herramienta operativa, no antojo: clara, serena, mínima. OKLCH (la web sí parsea
   oklch()), Manrope, nunca negro/blanco puro, solo transform/opacity con ease-out,
   respeta prefers-reduced-motion. Sin gradientes "AI", sin texto con gradiente. */

:root {
  /* tokens del Hub en OKLCH (HUB §8). Acento = hue de Marketing (theme.ts). */
  --bg:            oklch(0.98 0.008 95);   /* fondo cálido, nunca #fff */
  --surface:       oklch(0.995 0.004 95);  /* tarjeta */
  --border:        oklch(0.90 0.01 90);    /* hairline */
  --text:          oklch(0.27 0.012 70);   /* casi negro cálido, nunca #000 */
  --text-muted:    oklch(0.52 0.012 75);
  --accent:        oklch(0.62 0.12 165);   /* verde-teal sereno de Marketing */
  --accent-muted:  oklch(0.95 0.03 165);   /* fondo tenue del acento */
  --on-accent:     oklch(0.99 0.01 165);   /* casi blanco, nunca #fff */
  --danger:        oklch(0.55 0.20 27);
  --radius-card:   12px;
  --radius-btn:    8px;
  --ease-out:      cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Manrope', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  min-height: 100dvh;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: 0 6px 16px oklch(0.27 0.012 70 / 0.08); /* sombra sutil, refuerza */
  width: 100%;
  max-width: 380px;
  padding: 32px 24px;
  text-align: center;
}

/* Marca Avo */
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 24px;
}
.brand__mark {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.brand__tag {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
}

.title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.lead {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0 0 24px;
}

/* Spinner: anima solo transform (rotate). Reduced-motion lo apaga. */
.spinner {
  width: 28px;
  height: 28px;
  margin: 0 auto 20px;
  border: 3px solid var(--accent-muted);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-btn);
  background: var(--accent);
  color: var(--on-accent);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 120ms var(--ease-out), opacity 120ms var(--ease-out);
}
.btn:active { transform: scale(0.98); }       /* hundido al tocar (solo transform) */
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled { opacity: 0.5; cursor: default; }
@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}

.error {
  color: var(--danger);
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
}

.footnote {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
}

.hidden { display: none; }