body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
}

form {
    max-width: 700px;
    margin: 40px auto;
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    font-size: 28px;
    margin-bottom: 20px;
}

h2 {
    margin-top: 30px;
    border-left: 4px solid #007bff;
    padding-left: 10px;
}

h3 {
    margin-top: 20px;
    color: #333;
}

input {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.product {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.product input {
    width: 60px;
}

.product:hover {
    background: #f9f9f9;
}

#total {
    font-size: 28px;
    color: #e60023;
    font-weight: bold;
}

button {
    margin-top: 20px;
    padding: 12px;
    width: 100%;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}