body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 20px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    text-align: center;
    color: #333;
}

.formulario {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #555;
}

input[type="number"], select {
    width: calc(100% - 22px);
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    margin-bottom: 16px;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

#historial {
    border-top: 1px solid #ccc;
    padding-top: 20px;
}

#lista-cotizaciones {
    list-style-type: none;
    padding: 0;
}

#lista-cotizaciones li {
    margin-bottom: 10px;
}

#borrar-historial {
    margin-top: 10px;
    padding: 8px 16px;
    background-color: #dc3545;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#borrar-historial:hover {
    background-color: #c82333;
}