/* ==========================================================================
   Deca CMR · Acceso (inicio de sesión / registro)
   Basado en el componente AuthSwitch, adaptado a la marca Plastic7A
   ========================================================================== */

.auth-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vh, 40px) 20px;
  background:
    radial-gradient(circle at 10% 15%, rgba(2, 146, 219, 0.09), transparent 45%),
    radial-gradient(circle at 90% 90%, rgba(45, 45, 45, 0.06), transparent 40%),
    var(--p7a-bg);
}

/* --------------------------------------------------------------------------
   Tarjeta
   -------------------------------------------------------------------------- */

.auth-card {
  position: relative;
  isolation: isolate;
  width: 100%;
  max-width: 900px;
  height: 550px;
  background: var(--p7a-surface);
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(45, 45, 45, 0.18);
  overflow: hidden;
}

/* Círculo azul que se desplaza al cambiar de modo */
.auth-card::before {
  content: "";
  position: absolute;
  height: 2000px;
  width: 2000px;
  top: -10%;
  right: 48%;
  transform: translateY(-50%);
  /* Radial: el borde visible del círculo tiene el mismo tono en ambos modos */
  background: radial-gradient(circle closest-side, var(--p7a-charcoal) 0%, var(--p7a-blue-deep) 55%, var(--p7a-blue-strong) 100%);
  border-radius: 50%;
  transition: 1.8s ease-in-out;
  z-index: 6;
}

/* --------------------------------------------------------------------------
   Formularios
   -------------------------------------------------------------------------- */

.auth-forms {
  position: absolute;
  inset: 0;
}

.auth-switcher {
  position: absolute;
  top: 50%;
  left: 75%;
  width: 50%;
  transform: translate(-50%, -50%);
  transition: 1s 0.7s ease-in-out;
  display: grid;
  grid-template-columns: 1fr;
  z-index: 5;
}

.auth-form {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 4.5rem;
  overflow: hidden;
  transition: all 0.2s 0.7s;
}

.auth-form--signin {
  z-index: 2;
}

.auth-form--signup {
  opacity: 0;
  z-index: 1;
}

/* Cada formulario tiene pasos: correo → código (acceso) y correo → enlace enviado (registro) */
.auth-step {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.auth-title {
  margin: 0;
  font-size: 2rem;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
  color: var(--p7a-charcoal);
  outline: none;
}

.auth-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin: 10px auto 0;
  border-radius: 2px;
  background: var(--p7a-blue);
}

.auth-subtitle {
  max-width: 380px;
  margin: 10px 0 8px;
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: center;
  color: var(--p7a-muted);
}

.auth-subtitle strong {
  font-weight: 600;
  color: var(--p7a-ink);
  overflow-wrap: anywhere;
}

/* Campos */
.auth-field {
  position: relative;
  width: 100%;
  max-width: 380px;
  height: 52px;
  margin: 8px 0;
  padding: 0 0.4rem;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  background: var(--p7a-field);
  border: 1px solid transparent;
  border-radius: 52px;
  transition: 0.3s;
}

.auth-field:focus-within {
  background: #fff;
  border-color: var(--p7a-blue);
  box-shadow: 0 0 0 3px rgba(2, 146, 219, 0.18);
}

.auth-field__icon {
  display: flex;
  justify-content: center;
  color: #8a8f94;
  transition: color 0.3s;
}

.auth-field:focus-within .auth-field__icon {
  color: var(--p7a-blue);
}

.auth-field input {
  width: 100%;
  min-width: 0;
  height: 100%;
  padding: 0 0.75rem 0 0.25rem;
  background: none;
  border: none;
  outline: none;
  font: inherit;
  font-size: 1rem; /* 16px: evita el zoom automático en iOS */
  font-weight: 500;
  color: var(--p7a-ink);
}

.auth-field input::placeholder {
  font-weight: 400;
  color: #9aa0a6;
}

.auth-field input:-webkit-autofill {
  -webkit-text-fill-color: var(--p7a-ink);
  transition: background-color 9999s ease-in-out 0s;
}

/* Código de acceso: 6 casillas.
   Por encima hay un único campo invisible: así pegar el código y el autocompletado del móvil funcionan. */
.auth-code {
  width: 100%;
  max-width: 380px;
  margin: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-code__icon {
  flex-shrink: 0;
  display: flex;
  color: #8a8f94;
  transition: color 0.3s;
}

.auth-code:focus-within .auth-code__icon {
  color: var(--p7a-blue);
}

.auth-code__boxes {
  position: relative;
  flex: 1;
  min-width: 0;
}

.auth-code__slots {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.auth-code__slot {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--p7a-field);
  border: 1.5px solid transparent;
  border-radius: 12px;
  font-family: ui-monospace, 'Cascadia Mono', Consolas, 'Courier New', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--p7a-ink);
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.auth-code__slot.is-filled {
  background: #fff;
  border-color: #cfd5da;
}

/* Casilla que toca rellenar */
.auth-code__slot.is-active {
  background: #fff;
  border-color: var(--p7a-blue);
  box-shadow: 0 0 0 3px rgba(2, 146, 219, 0.18);
}

.auth-code__slot.is-active:empty::after {
  content: "";
  width: 2px;
  height: 24px;
  border-radius: 1px;
  background: var(--p7a-blue);
  animation: auth-caret 1s steps(1) infinite;
}

/* Código incorrecto: casillas en rojo y una pequeña sacudida */
.auth-code.is-error .auth-code__slot {
  background: #fff6f6;
  border-color: var(--p7a-danger);
  box-shadow: none;
}

.auth-code.is-error .auth-code__slots {
  animation: auth-shake 0.35s ease-in-out;
}

.auth-code__input {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: transparent;
  -webkit-text-fill-color: transparent;
  caret-color: transparent;
  font-size: 16px; /* evita el zoom automático en iOS */
  cursor: text;
}

.auth-code__input::selection {
  background: transparent;
}

.auth-code__input:-webkit-autofill {
  transition: background-color 9999s ease-in-out 0s;
}

@keyframes auth-caret {
  50% {
    opacity: 0;
  }
}

@keyframes auth-shake {
  20%,
  60% {
    transform: translateX(-5px);
  }

  40%,
  80% {
    transform: translateX(5px);
  }
}

/* "Reenviar código · Cambiar correo" */
.auth-links {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px 10px;
  font-size: 0.85rem;
  color: var(--p7a-muted);
}

/* Aviso de revisar Spam (pasos de código y de enlace enviado) */
.auth-hint {
  width: 100%;
  max-width: 380px;
  margin: 14px 0 0;
  padding: 10px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(2, 146, 219, 0.08);
  border-radius: 12px;
  font-size: 0.8rem;
  line-height: 1.5;
  text-align: left;
  color: #3d4349;
}

.auth-hint strong {
  font-weight: 700;
  color: var(--p7a-ink);
}

.auth-hint__icon {
  flex-shrink: 0;
  display: flex;
  margin-top: 1px;
  color: var(--p7a-blue-strong);
}

.auth-sent-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 14px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(2, 146, 219, 0.1);
  color: var(--p7a-blue-strong);
}

.auth-msg {
  min-height: 1.25rem;
  margin: 6px 0 0;
  max-width: 380px;
  font-size: 0.85rem;
  text-align: center;
  color: var(--p7a-blue-strong);
}

.auth-msg.is-error {
  color: var(--p7a-danger);
}

/* --------------------------------------------------------------------------
   Paneles laterales
   -------------------------------------------------------------------------- */

.auth-panels {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.auth-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-around;
  text-align: center;
  z-index: 6;
}

.auth-panel--left {
  pointer-events: all;
  padding: 3rem 17% 2rem 12%;
}

.auth-panel--right {
  pointer-events: none;
  padding: 3rem 12% 2rem 17%;
}

.auth-panel__content {
  color: #fff;
  transition: transform 0.9s ease-in-out 0.6s;
}

.auth-panel h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.1;
}

.auth-panel p {
  margin: 0;
  padding: 0.7rem 0 1.2rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.92);
}

.auth-panel--right .auth-panel__content {
  transform: translateX(800px);
}

/* --------------------------------------------------------------------------
   Modo registro
   -------------------------------------------------------------------------- */

.auth-card.is-signup::before {
  transform: translate(100%, -50%);
  right: 52%;
}

.auth-card.is-signup .auth-switcher {
  left: 25%;
}

.auth-card.is-signup .auth-form--signup {
  opacity: 1;
  z-index: 2;
}

.auth-card.is-signup .auth-form--signin {
  opacity: 0;
  z-index: 1;
}

.auth-card.is-signup .auth-panel--left .auth-panel__content {
  transform: translateX(-800px);
}

.auth-card.is-signup .auth-panel--right .auth-panel__content {
  transform: translateX(0%);
}

.auth-card.is-signup .auth-panel--left {
  pointer-events: none;
}

.auth-card.is-signup .auth-panel--right {
  pointer-events: all;
}

/* Sin animación en la carga inicial (p. ej. al entrar con #registro) */
.auth-card.is-instant,
.auth-card.is-instant::before,
.auth-card.is-instant * {
  transition: none !important;
}

/* --------------------------------------------------------------------------
   Tablet y móvil: disposición vertical
   -------------------------------------------------------------------------- */

@media (max-width: 870px) {
  .auth-page {
    padding: 24px 20px; /* 48px en vertical: coincide con el cálculo de altura de la tarjeta */
  }

  .auth-card {
    max-width: 600px;
    height: calc(100vh - var(--header-h) - 48px);
    height: clamp(600px, calc(100dvh - var(--header-h) - 48px), 820px);
    min-height: 600px;
  }

  .auth-card::before {
    width: 1500px;
    height: 1500px;
    left: 30%;
    bottom: 68%;
    top: initial;
    right: initial;
    transform: translateX(-50%);
    transition: 2s ease-in-out;
  }

  .auth-card.is-signup::before {
    transform: translate(-50%, 100%);
    bottom: 32%;
    right: initial;
  }

  /* Formulario centrado en la zona blanca: abajo (32–100 %) o arriba (0–68 %) */
  .auth-switcher {
    width: 100%;
    top: 66%;
    transition: 1s 0.8s ease-in-out;
  }

  .auth-switcher,
  .auth-card.is-signup .auth-switcher {
    left: 50%;
  }

  .auth-card.is-signup .auth-switcher {
    top: 34%;
  }

  .auth-panels {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 2fr 1fr;
  }

  .auth-panel {
    grid-column: 1 / 2;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding: 1rem 8%;
  }

  .auth-panel--left {
    grid-row: 1 / 2;
  }

  .auth-panel--right {
    grid-row: 3 / 4;
  }

  .auth-panel__content {
    max-width: 420px;
    transition: transform 0.9s ease-in-out 0.8s;
  }

  .auth-panel h3 {
    font-size: 1.2rem;
  }

  .auth-panel p {
    padding: 0.4rem 0 0.9rem;
    font-size: 0.85rem;
  }

  .auth-panel .btn--ghost {
    min-width: 120px;
    height: 38px;
    font-size: 0.72rem;
  }

  .auth-panel--right .auth-panel__content {
    transform: translateY(300px);
  }

  .auth-card.is-signup .auth-panel--left .auth-panel__content {
    transform: translateY(-300px);
  }

  .auth-card.is-signup .auth-panel--right .auth-panel__content {
    transform: translateY(0);
  }
}

/* Móvil: tarjeta a pantalla completa */
@media (max-width: 570px) {
  .auth-page {
    padding: 0;
    align-items: stretch;
  }

  .auth-card {
    max-width: none;
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    min-height: 600px;
    border-radius: 0;
    box-shadow: none;
  }

  .auth-form {
    padding: 0 1.5rem;
  }

  .auth-title {
    font-size: 1.6rem;
  }

  .auth-code {
    gap: 8px;
  }

  .auth-code__slots {
    gap: 6px;
  }

  .auth-code__slot {
    height: 48px;
    font-size: 1.25rem;
    border-radius: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-card::before,
  .auth-switcher,
  .auth-form,
  .auth-panel__content {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }

  .auth-code__slot.is-active:empty::after,
  .auth-code.is-error .auth-code__slots {
    animation: none;
  }
}