/* =========================================================
   login.css — Páginas de acceso: /login y /register (Fase 4)
   ---------------------------------------------------------
   Requiere tokens.css y components.css (inputs, botones).
   Escritorio: dos columnas (panel de marca con foto + formulario).
   Celular: solo el formulario, con una franja de marca arriba.
   register.css suma lo propio del registro.
   ========================================================= */

.page-auth {
  background: var(--surface-page);
  line-height: var(--lh-body);
}

.auth-main {
  padding-top: var(--header-height);
}

.auth {
  display: grid;
  min-height: calc(100svh - var(--header-height));
}

/* ---------- Panel de marca (foto + frase) ---------- */
.auth-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6) var(--gutter);
  overflow: hidden;
  background: var(--rose-600);
  color: var(--white);
}
.auth-brand-photo { display: none; }

.auth-brand-title {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(1.75rem, 1.3rem + 2vw, 3.25rem);
  font-weight: var(--fw-black);
  line-height: 1.02;
  letter-spacing: var(--ls-heading);
}
.auth-brand-text {
  margin: 0;
  max-width: 36ch;
  color: var(--rose-50);
}

/* ---------- Formulario ---------- */
.auth-panel {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-6) var(--gutter) var(--space-8);
}

.auth-card {
  width: 100%;
  max-width: 28rem;
}

.auth-title {
  margin: 0 0 var(--space-2);
  color: var(--ink);
  font-size: var(--fs-h2);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-heading);
  line-height: 1.05;
}
.auth-lead {
  margin: 0 0 var(--space-6);
  color: var(--rose-800);
}

.auth-form .field-stack { gap: 20px; }

/* Contraseña con botón de mostrar/ocultar */
.password-field { position: relative; }
.password-field .input { padding-right: 52px; }
.toggle-password {
  position: absolute;
  top: 4px;
  right: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--rose-700);
  transition:
    background-color var(--dur-fast) var(--ease-out),
    transform var(--dur-press) var(--ease-out);
}
.toggle-password:active { transform: scale(0.92); }
.toggle-password svg { width: 22px; height: 22px; }
.toggle-password .icon-hide { display: none; }
.toggle-password[aria-pressed="true"] .icon-show { display: none; }
.toggle-password[aria-pressed="true"] .icon-hide { display: block; }
@media (hover: hover) and (pointer: fine) {
  .toggle-password:hover { background: var(--rose-100); }
}

.auth-submit { margin-top: var(--space-2); }
/* "Mantener la sesión iniciada": casilla con área táctil de 44 px (.check, components.css) */
.auth-remember { margin-top: calc(var(--space-2) * -1); color: var(--text-strong); }

.auth-switch {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
  color: var(--text-strong);
  text-align: center;
}

/* ---------- Avisos (error, bloqueo, sesión cerrada, cuenta creada) ---------- */
.login-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--rose-100);
  color: var(--ink);
  font-weight: var(--fw-medium);
  line-height: 1.45;
}
.login-alert svg { flex: none; width: 20px; height: 20px; margin-top: 1px; }
.login-alert--error {
  background: var(--cherry-50);
  color: var(--cherry-700);
}
.login-alert:not([hidden]) { animation: alert-in var(--dur-base) var(--ease-out); }
@keyframes alert-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Escritorio: dos columnas ---------- */
@media (min-width: 64rem) {
  .auth { grid-template-columns: 1fr 1fr; }

  .auth-brand {
    min-height: calc(100svh - var(--header-height));
    padding: var(--space-8);
  }
  /* Foto que cubre el panel, con un degradé para que el texto se lea */
  .auth-brand-photo {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .auth-brand::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgb(72 23 41 / 0.88) 0%, rgb(72 23 41 / 0.35) 45%, rgb(72 23 41 / 0) 70%);
  }
  .auth-brand-title,
  .auth-brand-text { position: relative; z-index: 1; }

  .auth-panel {
    align-items: center;
    padding: var(--space-8) var(--space-7);
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-alert:not([hidden]) { animation-name: fade-in; }
  .toggle-password:active { transform: none; }
}