/* Styles pour la page d'ajout d'une catégorie */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    padding: 10px 0;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

header nav ul li {
    margin: 0 15px;
}

header nav ul a {
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    display: inline-block;
}

header nav ul a:hover {
    background-color: #575757;
    border-radius: 5px;
}

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

h1 {
    margin-top: 0;
    color: #333;
    text-align: center;
}

form {
    margin-top: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

input[type="text"],
input[type="number"],
input[type="file"] {
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    width: 100%;
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s;
}

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

p {
    margin: 10px 0;
    text-align: center;
}

a {
    color: #007bff;
    text-decoration: none;
}

p.error {
    color: red;
    text-align: center;
    margin-top: 20px;
    background-color: #ffe6e6;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #ffcccc;
}