/* --------------------------------------------------
   registro.css – Formulario de Registro Responsive + neón
   Separación ajustada entre columnas para labels
-------------------------------------------------- */

/* Fondo y centrado */
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: url("../img_fondo/fondo2.png") no-repeat center center fixed;
  background-size: cover;
  color: #eee;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: -1;
}

/* Tarjeta principal (.container) */
.container {
  position: relative;
  background: rgba(30, 0, 30, 0.9);
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  width: 800px;
  max-width: 95%;
  overflow: hidden;
}
.container::before {
  content: "";
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: linear-gradient(60deg, #39ff14, #ff073a, #00ffff, #f0f);
  background-size: 400% 400%;
  filter: blur(8px);
  z-index: -1;
  animation: neon 8s ease infinite;
}
@keyframes neon {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Título */
.container h2 {
  margin-bottom: 30px;
  text-align: center;
  color: #fff;
  font-size: 2.4rem;
  letter-spacing: 1px;
}

/* Grid del formulario */
.container form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px 60px; /* Aumentada separación horizontal */
  align-items: center;
}

/* Inputs y selects */
.container form input,
.container form select {
  padding: 12px;
  border: 2px solid #39ff14;
  border-radius: 6px;
  background: #111;
  color: #fff;
  font-size: 1rem;
  transition: box-shadow 0.3s, border-color 0.3s;
  width: 100%;
}
.container form input:focus,
.container form select:focus {
  outline: none;
  border-color: #00ffff;
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.6);
}

/* File input y botón cámara */
#archivoImagen,
#capturar {
  padding: 10px;
  border: 2px solid #39ff14;
  border-radius: 6px;
  background: #396cff;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
  width: 100%;
}
#archivoImagen:hover,
#capturar:hover {
  background: #274bdb;
}

#video,
#canvas {
  display: none;
}

/* Botón de registro */
.container form button[type="submit"] {
  grid-column: 1 / -1;
  padding: 14px;
  border: none;
  border-radius: 6px;
  background: linear-gradient(135deg, #800080, #4B0082);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s, transform 0.1s;
  width: 100%;
}
.container form button[type="submit"]:hover {
  background: linear-gradient(135deg, #4B0082, #800080);
  transform: translateY(-2px);
}

/* Enlace al login */
.container p {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: 10px;
  font-size: 0.9rem;
}
.container p a {
  color: #39ff14;
  text-decoration: none;
  font-weight: 600;
}
.container p a:hover {
  text-decoration: underline;
}

/* Responsive ajustes */
@media (max-width: 600px) {
  .container {
    padding: 25px;
  }
  .container h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }
  .container form {
    grid-template-columns: 1fr;
    gap: 15px 0;
  }
}