/* Fondo degradado suave */
body {
    background: linear-gradient(135deg, #007bff 0%, #6610f2 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

/* Caja del login */
#formContent {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

/* Imagen superior */
#formContent img#icon {
    width: 220px;
    margin-bottom: 15px;
    border-radius: 50%;
}

/* Inputs */
#formContent input[type="password"],
#formContent select {
    margin: 15px 0;
    padding: 12px;
    width: 100%;
    height: 66px;
    border: 1px solid #ced4da;
    border-radius: 10px;
    transition: all 0.3s ease-in-out;
}

#formContent input[type="password"]:focus,
#formContent select:focus {
    border-color: #007bff;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.2);
}

/* Botón */
#formContent input[type="submit"] {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 10px;
    width: 100%;
    
    font-weight: bold;
    transition: 0.3s ease;
}

#formContent input[type="submit"]:hover {
    background-color: #0056b3;
}

/* Alertas */
.alert {
    margin-top: 20px;
}