body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
}

h2, h3 {
    text-align: center;
}

a {
    display: inline-block;
    margin: 10px;
    color: #4CAF50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

form {
    background-color: #ffffff;
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

form input[type="text"], form input[type="password"], form input[type="email"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

form button {
    width: 100%;
    padding: 12px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
}

form button:hover {
    background-color: #45a049;
}

button.no-print {
    width: auto;
    padding: 10px 20px;
    margin: 10px auto;
    display: block;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}

button.no-print:hover {
    background-color: #1976D2;
}

p {
    max-width: 800px;
    margin: 10px auto;
    font-size: 16px;
    line-height: 1.5;
}

strong {
    color: #000;
}

table {
    width: 90%;
    margin: 20px auto;
    border-collapse: collapse;
    background-color: #fff;
}

table th, table td {
    padding: 12px;
    border: 1px solid #dddddd;
    text-align: left;
}

table th {
    background-color: #f2f2f2;
}

.error {
    color: red;
    text-align: center;
    margin-bottom: 15px;
}

.success {
    color: green;
    text-align: center;
    margin-bottom: 15px;
}

@media screen and (max-width: 600px) {
    form, table, p {
        width: 100%;
    }

    h2, h3 {
        font-size: 24px;
    }
}

/* Estilos para controlar la impresión */
@media print {
    body * {
        visibility: hidden;
    }
    #historial, #historial * {
        visibility: visible;
    }
    #historial {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
    }

    /* Estilos para el encabezado del historial en la impresión */
    #historial h3 {
        margin-top: 0;
    }

    #historial p {
        text-align: center;
        font-size: 14px;
    }
}