body {
  margin: 0;
  padding: 0;
  background: url(../img/bg.jpeg) no-repeat center top;
  background-size: cover;
  font-family: sans-serif;
  height: 100vh;
  position: relative;
}

/* Para crear el efecto de marca de agua, puedes agregar una capa semi-transparente */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.6); /* Ajusta la opacidad según necesites */
  z-index: 1;
}

.login-box {
  width: 90%;
  max-width: 320px;
  height: auto;
  background: #56070C;
  color: #fff;
  opacity: 0.9;
  top: 50%;
  left: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  box-sizing: border-box;
  padding: 70px 30px;
  z-index: 2;
  border-radius: 8px;
}

.login-box .avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  position: absolute;
  top: -50px;
  left: calc(50% - 50px);
}

.login-box h1 {
  margin: 0;
  padding: 0 0 20px;
  text-align: center;
  font-size: 22px;
}

.login-box label {
  margin: 0;
  padding: 0;
  font-weight: bold;
  display: block;
}

.login-box input {
  width: 100%;
  margin-bottom: 20px;
}

.login-box input[type="text"], .login-box input[type="password"], .login-box input[type="email"] {
  border: none;
  border-bottom: 1px solid #fff;
  background: #fff;
  outline: none;
  height: 40px;
  color: #000;
  font-size: 16px;
}

.login-box input[type="submit"] {
  border: none;
  outline: none;
  height: 40px;
  background: #ffc107;
  color: #000;
  font-size: 18px;
  border-radius: 20px;
  cursor: pointer;
}

.login-box input[type="submit"]:hover {
  background: #e0a800;
}

/* Media Query para pantallas pequeñas */
@media (max-width: 480px) {
  .login-box {
    width: 90%;
    padding: 50px 20px;
  }

  .login-box .avatar {
    width: 80px;
    height: 80px;
    top: -40px;
    left: calc(50% - 40px);
  }

  .login-box h1 {
    font-size: 18px;
  }

  .login-box input[type="text"], .login-box input[type="password"], .login-box input[type="email"] {
    height: 35px;
    font-size: 14px;
  }

  .login-box input[type="submit"] {
    height: 35px;
    font-size: 16px;
  }
}

/* Estilos para las alertas */
.alert {
  padding: 15px;
  border: 1px solid transparent;
  border-radius: 4px;
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}