/* Contenedor del fondo en login */
#back.login-bg {
  position: relative;
  min-height: 100vh;
  display: flex; 
  justify-content: center; 
  align-items: center;

  /* Fallback: degradado */
  background: linear-gradient(to bottom right, #f2ebe3, #dbcab4);

  /* Fondo con imagen + degradado sutil encima */
  background-image:
    linear-gradient(rgba(0,0,0,0.15), rgba(0,0,0,0.15)),
    url('../img/plantilla/fondo.png');

  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* Tarjeta unificada (logo + formulario) */
.login-card {
  width: 430px;
  max-width: 95%;
  background: rgba(255,255,255,0.94);
  border-radius: 20px;
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
  overflow: hidden;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

/* Encabezado con el logo */
.login-card__header {
  padding: 26px 26px 0;
  text-align: center;
}

.login-card__logo {
  width: 220px;
  max-width: 90%;
  height: auto;
  display: inline-block;
}

/* Cuerpo del formulario */
.login-card__body {
  padding: 30px 32px 32px;
}

/* Título */
.login-title {
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  color: #4E342E;
  margin: 6px 0 18px;
}

/* Inputs */
.form-control.input-lg {
  font-size: 16px; 
  padding: 14px; 
  border-radius: 10px;
}

.toggle-password {
  position: absolute; 
  right: 15px; 
  top: 50%; 
  transform: translateY(-50%); 
  border: none; 
  background: transparent; 
  font-size: 20px; 
  line-height: 1;
  cursor: pointer;
}

/* Botón de login */
.btn-login-primary {
  background-color: #8D6E63; 
  color: #fff; 
  font-size: 18px; 
  padding: 12px; 
  border-radius: 10px;
  border: none;
  font-weight: 600;
}

.btn-login-primary:hover { 
  filter: brightness(1.05); 
  color: #fff;
}