html,
body.login {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    height: 100%;
    margin: 0;
    background: linear-gradient(rgba(0, 87, 255, 0.3), rgba(0, 87, 255, 0.3)), url("/static/img/picture_2.jpeg?v=2") no-repeat center center fixed;
    background-size: cover;
    background-blend-mode: overlay;
}

body.login {
    display: flex;
    align-items:center;
    justify-content: center;
    min-height: 100vh;    
    flex-direction: column;    
}

.login-card {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 25%;
    background: rgba(0, 123, 255, 0.2);
    /* azul semitransparente */
    backdrop-filter: blur(10px);
    /* desenfoque del fondo */
    -webkit-backdrop-filter: blur(10px);
    /* soporte en Safari */
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    /* borde tenue blanco */
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    
}

.login img {
    margin: 10px;
    max-width: 80%;
}

.login-card h2 {
    margin-bottom: 20px;
    color: #007bff;
    font-size: 28px;
}

.login-card form{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
}

.login-card input {
    padding: 5px;    
    border: 2px solid #fff;
    border-radius: 5px;
    font-size: 18px;
    margin-bottom: 20px;
    text-align: center;
    background: #fff;
    color: #007bff;
    outline: none;
    width: 100%;
}

.login-card input::placeholder {
   color: gray;
}

.login-card button {
    background-color: #007bff;
    color: #fff;
    padding: 5px 20px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.1s ease;
    width: 70%;
}

.login-card button:hover {
    background-color: #0056b3;
    color: #fff;
}

.icon {
  text-align: center;
  font-size: 40px;
  color: white;
  margin-bottom: 20px;
}

.input-box {
  position: relative;  
  width: 90%;
}

.input-box input {
  width: 100%;
  padding: 10px 10px 10px 35px;
  border: none;
  border-radius: 8px;
  outline: none;
  box-sizing: border-box;
}

.input-box i {
  position: absolute;
  top: 35%;
  left: 10px;
  transform: translateY(-50%);
  color: gray;
}
.error3{
    color: #fff;
}
/* Mobile y tablets en vertical */
@media screen and (max-width: 768px) {
    .login-card {
        width: 70%;
        padding: 20px;
    }

    .login-card h2 {
        font-size: 22px;
    }

    .login-card button {
        width: 70%;
        font-size: 16px;
    }

    .login img {
        max-width: 80%;
    }
    .input-box input {
  width: 100%;
  padding: 10px 10px 10px 25px;
  border: none;
  border-radius: 8px;
  outline: none;
  box-sizing: border-box;
}

.login-card input {   
    font-size: 14px;   
}
}
/* Dispositivos en modo landscape o pantallas muy pequeñas */
@media screen and (max-height: 500px) and (orientation: landscape) {
    body.login {
        flex-direction: row;
        justify-content: center;
        padding: 10px;
    }

    .login-card {
        width: 50%;
        padding: 15px;
    }

    .login-card h2 {
        font-size: 20px;
    }

    .login-card button {
        font-size: 14px;
    }

        .login img {
        max-width: 65%;
    }
}