body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#login-form {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

#login-form h2 {
    text-align: center;
    color: #333333;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555555;
    font-size: 0.9rem;
}

input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #cccccc;
    border-radius: 4px;
    font-size: 1rem;
    color: #333333;
    box-sizing: border-box;
}

input[type="email"]:focus,
input[type="password"]:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

button[type="submit"] {
    width: 100%;
    padding: 0.8rem;
    background-color: #007bff;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

#mensaje-error {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #ff0000;
}

@media (max-width: 480px) {
    #login-form {
        padding: 1.5rem;
    }

    #login-form h2 {
        font-size: 1.5rem;
    }

    input[type="email"],
    input[type="password"],
    button[type="submit"] {
        padding: 0.7rem;
        font-size: 0.9rem;
    }
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
    overflow: auto;
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}