body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 80%;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

input {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}

.categories {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.category {
    flex: 1;
    min-width: 200px;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 8px;
}

.articles {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.article {
    width: 80px;
    height: 80px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-radius: 4px;
}

.panier {
    margin-top: 20px;
}

.panier ul {
    list-style-type: none;
    padding: 0;
}

.panier li {
    padding: 5px 0;
    border-bottom: 1px solid #eee;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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