/* ============================================================
   Pantallas de acceso (login / registro / pendiente)
   Layout dividido: lado oscuro CFH + lado claro con formulario
   ============================================================ */

.auth-split {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(380px, 44%) 1fr;
}

/* ---------- Lado oscuro (marca) ---------- */

.auth-oscuro {
  /* El gradiente lo pinta fondo-ruido.js; esto es el color de respaldo
     por si el script no carga. */
  background: var(--oscuro);
  color: #fff;
  padding: 48px 52px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

/* Velo oscuro de abajo hacia arriba: el gradiente aclara mucho en la
   esquina inferior y el texto blanco necesita contraste garantizado. */
.auth-oscuro::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(4, 10, 14, 0.82) 0%,
    rgba(4, 10, 14, 0.55) 35%,
    rgba(4, 10, 14, 0.12) 70%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* El canvas del grano va al fondo de todo */
.auth-oscuro > .fondo-ruido-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* El contenido, por encima del velo */
.auth-oscuro > *:not(.fondo-ruido-canvas) { position: relative; z-index: 2; }

.auth-oscuro .logo-cfh { height: 34px; width: auto; align-self: flex-start; }

.auth-oscuro .mensaje { max-width: 400px; }

.auth-oscuro .eyebrow {
  color: var(--turquesa);
  margin-bottom: 18px;
  animation: aparecer 0.6s ease both;
}

.auth-oscuro h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  line-height: 1.05;
  animation: aparecer 0.6s 0.1s ease both;
}

.auth-oscuro .linea-acento {
  width: 56px; height: 5px;
  background: var(--turquesa);
  border-radius: 999px;
  margin-top: 22px;
  animation: aparecer 0.6s 0.2s ease both;
}

.auth-oscuro .pie {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.04em;
}

/* ---------- Lado claro (formulario) ---------- */

.auth-claro {
  display: grid;
  place-items: center;
  padding: 40px 24px;
  background: var(--fondo);
}

.auth-form {
  width: 100%;
  max-width: 400px;
  animation: aparecer 0.55s 0.15s ease both;
}

.auth-form h1 { font-size: 1.7rem; margin-bottom: 6px; }
.auth-form .subtitulo { color: var(--muted); font-size: 0.92rem; margin-bottom: 30px; }

.auth-pie {
  margin-top: 26px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
}

/* ---------- Variante centrada (pendiente.html) ---------- */

.auth-centrado {
  text-align: center;
}
.auth-centrado .badge-flotante {
  display: inline-block;
  background: rgba(0, 245, 212, 0.14);
  color: var(--turquesa-oscuro);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

/* ---------- Móvil: columna única ---------- */

@media (max-width: 860px) {
  .auth-split { grid-template-columns: 1fr; }

  .auth-oscuro {
    padding: 28px 24px;
    gap: 18px;
  }
  .auth-oscuro .logo-cfh { height: 26px; }
  .auth-oscuro h2 { font-size: 1.45rem; }
  .auth-oscuro .linea-acento { margin-top: 14px; height: 4px; }
  .auth-oscuro .pie { display: none; }

  .auth-claro { padding: 32px 20px 48px; align-items: start; }
}