/* Pantallas de acceso: login, verificación de dispositivo, olvidé mi contraseña, nueva contraseña */
:root {
  --au-primario: #4f46e5;
  --au-primario-2: #7c3aed;
  --au-texto: #111827;
  --au-muted: #6b7280;
  --au-borde: #e5e7eb;
}
* { box-sizing: border-box; }
body.au {
  margin: 0; min-height: 100vh; font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--au-texto); background: #f5f7fb; display: grid; grid-template-columns: 1.1fr 1fr;
}
.au-marca {
  position: relative; overflow: hidden; color: #fff; padding: 3rem; display: flex; flex-direction: column; justify-content: space-between;
  background: linear-gradient(140deg, #312e81 0%, var(--au-primario) 45%, var(--au-primario-2) 100%);
}
.au-marca::after {
  content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%; right: -160px; bottom: -200px;
  background: radial-gradient(circle, rgba(255,255,255,.18), rgba(255,255,255,0) 70%);
}
.au-marca img { max-height: 64px; max-width: 220px; width: auto; align-self: flex-start; object-fit: contain; filter: brightness(0) invert(1); }
.au-marca h1 { font-size: 2.2rem; font-weight: 700; line-height: 1.2; margin: 0 0 1rem; max-width: 22ch; }
.au-marca p { opacity: .85; max-width: 42ch; line-height: 1.6; margin: 0; }
.au-marca ul { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .7rem; position: relative; z-index: 1; }
.au-marca li { display: flex; gap: .7rem; align-items: center; opacity: .92; }
.au-marca li i { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: rgba(255,255,255,.15); }
.au-pie { font-size: .8rem; opacity: .7; position: relative; z-index: 1; }

.au-panel { display: flex; align-items: center; justify-content: center; padding: 2rem 1.25rem; }
.au-caja { width: 100%; max-width: 400px; }
.au-logo-movil { display: none; max-height: 52px; max-width: 200px; object-fit: contain; margin-bottom: 1.5rem; }
.au-caja h2 { font-size: 1.6rem; font-weight: 700; margin: 0 0 .35rem; }
.au-caja .au-sub { color: var(--au-muted); margin: 0 0 1.75rem; }
.au-campo { margin-bottom: 1rem; }
.au-campo label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: .35rem; }
.au-input { position: relative; }
.au-input > i { position: absolute; left: .95rem; top: 50%; transform: translateY(-50%); color: var(--au-muted); }
.au-input input {
  width: 100%; height: 48px; padding: 0 2.8rem 0 2.6rem; font-size: 1rem; border-radius: 12px; border: 2px solid var(--au-borde);
  background: #fff; color: var(--au-texto); outline: none; transition: border-color .15s, box-shadow .15s; font-family: inherit;
}
.au-input input:focus { border-color: var(--au-primario); box-shadow: 0 0 0 4px rgba(79, 70, 229, .14); }
.au-input input:disabled { background: #f9fafb; }
.au-ojo { position: absolute; right: .5rem; top: 50%; transform: translateY(-50%); border: 0; background: none; color: var(--au-muted); width: 36px; height: 36px; border-radius: 8px; cursor: pointer; }
.au-ojo:hover { background: #f3f4f6; color: var(--au-texto); }
.au-fila { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin: .25rem 0 1.25rem; font-size: .88rem; }
.au-check { display: inline-flex; align-items: center; gap: .5rem; cursor: pointer; user-select: none; }
.au-check input { width: 18px; height: 18px; accent-color: var(--au-primario); }
.au-link { color: var(--au-primario); text-decoration: none; font-weight: 500; }
.au-link:hover { text-decoration: underline; }
.au-captcha { min-height: 66px; margin-bottom: 1rem; display: flex; justify-content: center; }
.au-boton {
  width: 100%; height: 50px; border: 0; border-radius: 12px; font-size: 1rem; font-weight: 600; color: #fff; cursor: pointer;
  background: linear-gradient(135deg, var(--au-primario), var(--au-primario-2)); box-shadow: 0 8px 20px rgba(79, 70, 229, .28);
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem; transition: transform .1s, opacity .15s; font-family: inherit;
}
.au-boton:hover:not(:disabled) { transform: translateY(-1px); }
.au-boton:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; }
.au-alerta { display: none; border-radius: 12px; padding: .75rem .9rem; font-size: .9rem; margin-bottom: 1rem; }
.au-alerta.error { display: block; background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.au-alerta.ok { display: block; background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.au-nota { font-size: .78rem; color: var(--au-muted); margin-top: 1rem; text-align: center; line-height: 1.5; }
.au-fuerza { height: 6px; border-radius: 3px; background: #eef0f3; margin-top: .5rem; overflow: hidden; }
.au-fuerza span { display: block; height: 100%; width: 0; transition: width .2s, background .2s; }
.au-spinner { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.5); border-top-color: #fff; border-radius: 50%; animation: au-giro .7s linear infinite; }
@keyframes au-giro { to { transform: rotate(360deg); } }

/* Código de verificación de 6 dígitos */
.au-codigo { display: flex; gap: .5rem; justify-content: center; margin: .5rem 0 1.25rem; }
.au-codigo input {
  width: 52px; height: 62px; text-align: center; font-size: 1.6rem; font-weight: 700; font-family: inherit; color: var(--au-texto);
  border: 2px solid var(--au-borde); border-radius: 12px; background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
}
.au-codigo input:focus { border-color: var(--au-primario); box-shadow: 0 0 0 4px rgba(79, 70, 229, .14); }
.au-codigo input.lleno { border-color: #c7d2fe; background: #f5f7ff; }
.au-codigo.error input { border-color: #f87171; animation: au-temblor .3s; }
.au-codigo .sep { width: .5rem; }
@keyframes au-temblor { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.au-icono { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; font-size: 1.5rem; margin-bottom: 1rem;
  color: var(--au-primario); background: #eef2ff; }
.au-acciones { display: flex; justify-content: space-between; align-items: center; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; font-size: .88rem; }
.au-acciones button.au-link { border: 0; background: none; padding: 0; cursor: pointer; font: inherit; font-weight: 500; }
.au-acciones button.au-link:disabled { color: var(--au-muted); cursor: default; text-decoration: none; }
@media (max-width: 400px) { .au-codigo { gap: .35rem; } .au-codigo input { width: 42px; height: 54px; font-size: 1.35rem; } }

@media (max-width: 900px) {
  body.au { grid-template-columns: 1fr; }
  .au-marca { display: none; }
  .au-logo-movil { display: block; }
  .au-panel { align-items: flex-start; padding-top: 3rem; }
}
@media (prefers-reduced-motion: reduce) { .au-spinner { animation-duration: 2s; } .au-boton { transition: none; } .au-codigo.error input { animation: none; } }