/* =====================================================
   MUNDOS — REGISTRO  ·  "El Umbral" (dejar huella)
   Tercera escena del mismo mundo: quien nunca ha cruzado
   elige su apodo y deja su primera huella en la puerta.
   Scopeado a .mundo-registro, misma paleta noche+brasa
   que .mundo-lobby / .mundo-logueo.
   ===================================================== */

.mundo-registro {
  --umbral-noche: #17111F;
  --umbral-medianoche: #2E1C3E;
  --umbral-brasa: #E8804A;
  --umbral-brasa-clara: #FFCB8E;
  --umbral-niebla: #EFE5D8;
  --umbral-niebla-tenue: #B8ACA0;
  --umbral-error: #F2765C;
  --umbral-ok: #8FBF8A;

  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--space-xl) var(--space-md);
  background:
    radial-gradient(ellipse 55% 45% at 50% 8%, rgba(232, 128, 74, 0.16), transparent 70%),
    linear-gradient(180deg, var(--umbral-noche) 0%, var(--umbral-medianoche) 65%, var(--umbral-noche) 100%);
  isolation: isolate;
}

.mundo-registro .bubble { display: none; }

.mundo-registro::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 16% 20%, var(--umbral-niebla) 0, transparent 100%),
    radial-gradient(1px 1px at 78% 14%, var(--umbral-niebla) 0, transparent 100%),
    radial-gradient(1.5px 1.5px at 64% 80%, var(--umbral-niebla) 0, transparent 100%),
    radial-gradient(1px 1px at 26% 70%, var(--umbral-niebla) 0, transparent 100%),
    radial-gradient(1px 1px at 90% 58%, var(--umbral-niebla) 0, transparent 100%),
    radial-gradient(1.5px 1.5px at 44% 10%, var(--umbral-niebla) 0, transparent 100%);
  opacity: 0.3;
  pointer-events: none;
}

.mundo-registro__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.mundo-registro__eyebrow {
  display: block;
  font-family: 'Space Mono', ui-monospace, 'SFMono-Regular', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--umbral-brasa-clara);
  opacity: 0.85;
  margin-bottom: var(--space-sm);
}

.mundo-registro__title {
  font-family: 'Cormorant Garamond', var(--font-display), serif;
  font-style: italic;
  font-weight: 600;
  font-size: clamp(2.2rem, 5vw, 3rem);
  color: var(--umbral-niebla);
  text-shadow: 0 0 40px rgba(232, 128, 74, 0.3);
  margin-bottom: var(--space-xs);
}

.mundo-registro__subtitle {
  font-family: var(--font-body);
  color: var(--umbral-niebla-tenue);
  font-size: 0.95rem;
  max-width: 330px;
  margin: 0 auto var(--space-lg);
}

/* ---------- la huella: signature element ----------
   en el lobby las huellas suben hacia el portal, en el
   logueo se acercan a una puerta ya conocida; aquí es
   solo una, sola, marcándose por primera vez. */

.mundo-registro__huella-primera {
  position: relative;
  width: 46px;
  height: 46px;
  margin: 0 auto var(--space-md);
}

.mundo-registro__huella-primera::before {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 16px;
  height: 25px;
  background: var(--umbral-brasa);
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(232, 128, 74, 0.5);
  animation: registro-huella-marcar 1.4s ease-out infinite;
}

@keyframes registro-huella-marcar {
  0%   { transform: scale(0.5); opacity: 0; }
  35%  { transform: scale(1.05); opacity: 0.85; }
  70%  { transform: scale(1); opacity: 0.55; }
  100% { transform: scale(1); opacity: 0.55; }
}

/* ---------- formulario ---------- */

.mundo-registro__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-md);
  border: 1px solid rgba(232, 128, 74, 0.25);
  border-radius: 18px;
  background: rgba(46, 28, 62, 0.35);
  backdrop-filter: blur(8px);
  text-align: left;
}

.mundo-registro__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mundo-registro__label {
  font-family: 'Space Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--umbral-niebla-tenue);
}

.mundo-registro__input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.mundo-registro__input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(239, 229, 216, 0.18);
  border-radius: 10px;
  background: rgba(23, 17, 31, 0.6);
  color: var(--umbral-niebla);
  font-family: var(--font-body);
  font-size: 0.98rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.mundo-registro__input::placeholder {
  color: var(--umbral-niebla-tenue);
  opacity: 0.55;
}

.mundo-registro__input:focus {
  outline: none;
  border-color: var(--umbral-brasa);
  box-shadow: 0 0 0 3px rgba(232, 128, 74, 0.18);
}

.mundo-registro__input[type="password"] {
  padding-right: 2.6rem;
}

.mundo-registro__input.is-invalido {
  border-color: rgba(242, 118, 92, 0.6);
}

.mundo-registro__toggle-pass {
  position: absolute;
  right: 0.6rem;
  border: none;
  background: transparent;
  color: var(--umbral-niebla-tenue);
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.3rem 0.4rem;
  transition: color 0.2s ease;
}
.mundo-registro__toggle-pass:hover,
.mundo-registro__toggle-pass:focus-visible {
  color: var(--umbral-brasa-clara);
}
.mundo-registro__toggle-pass:focus-visible {
  outline: 1px solid var(--umbral-brasa-clara);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- checklist de requisitos de contraseña ---------- */

.mundo-registro__requisitos {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
}

.mundo-registro__requisito {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--umbral-niebla-tenue);
  transition: color 0.2s ease;
}

.mundo-registro__requisito::before {
  content: '○';
  color: var(--umbral-niebla-tenue);
  font-size: 0.7rem;
  opacity: 0.6;
}

.mundo-registro__requisito.is-cumplido {
  color: var(--umbral-ok);
}
.mundo-registro__requisito.is-cumplido::before {
  content: '●';
  color: var(--umbral-ok);
  opacity: 1;
}

/* ---------- mensajes ---------- */

.mundo-registro__error {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid rgba(242, 118, 92, 0.4);
  border-radius: 10px;
  background: rgba(242, 118, 92, 0.1);
  color: var(--umbral-error);
  font-size: 0.85rem;
}

.mundo-registro__exito {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid rgba(143, 191, 138, 0.4);
  border-radius: 10px;
  background: rgba(143, 191, 138, 0.1);
  color: var(--umbral-ok);
  font-size: 0.85rem;
}

.mundo-registro__submit {
  margin-top: 0.2rem;
  padding: 0.85rem 1.4rem;
  border: none;
  border-radius: 999px;
  background: var(--umbral-brasa);
  color: var(--umbral-noche);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 0 0 1px rgba(232, 128, 74, 0.5), 0 0 26px rgba(232, 128, 74, 0.2);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, opacity 0.2s ease;
}
.mundo-registro__submit:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 0 1px var(--umbral-brasa), 0 0 38px rgba(232, 128, 74, 0.4);
}
.mundo-registro__submit:focus-visible {
  outline: 2px solid var(--umbral-brasa-clara);
  outline-offset: 3px;
}
.mundo-registro__submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 0 0 1px rgba(232, 128, 74, 0.3);
}

.mundo-registro__foot {
  margin-top: var(--space-md);
  color: var(--umbral-niebla-tenue);
  font-size: 0.88rem;
}

.mundo-registro__foot a {
  color: var(--umbral-brasa-clara);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 203, 142, 0.4);
  transition: border-color 0.2s ease;
}
.mundo-registro__foot a:hover {
  border-color: var(--umbral-brasa-clara);
}

.mundo-registro__volver {
  display: inline-block;
  margin-top: var(--space-sm);
  color: var(--umbral-niebla-tenue);
  font-size: 0.8rem;
  text-decoration: none;
  opacity: 0.75;
}
.mundo-registro__volver:hover {
  opacity: 1;
  color: var(--umbral-niebla);
}

@media (prefers-reduced-motion: reduce) {
  .mundo-registro__submit,
  .mundo-registro__input { transition: none; }
  .mundo-registro__huella-primera::before { animation: none; opacity: 0.6; }
}