body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f9;
            color: #333;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: 400px;
            margin: 50px auto;
            padding: 20px;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        h1 {
            text-align: center;
            color: #4CAF50;
        }

        form {
            margin-bottom: 20px;
        }

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

        /*input[type="email"],
        input[type="password"] {
            width: calc(100% - 20px);
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-sizing: border-box;
        }*/

        /*button {
            width: 100%;
            padding: 10px;
            background-color: #4CAF50;
            color: #fff;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
        }*/

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

        p {
            text-align: center;
            margin-top: 20px;
            color: #666;
        }

        .message {
            text-align: center;
            color: #d9534f;
            font-weight: bold;
        }

        /* Styles pour la fenêtre modale */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }

        .modal-content {
            background: #fff;
            padding: 20px;
            border-radius: 10px;
            width: 90%;
            max-width: 400px;
            text-align: center;
        }

        .close {
            position: absolute;
            top: 10px;
            right: 20px;
            font-size: 20px;
            cursor: pointer;
        }
   


     ********************************************************
    /* CSS Pour la page index02.php (Page de présentation de projest) */

        body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            margin: 0;
            padding: 0;
            color: #333;
        }

nav a {
  color: white;
  text-decoration: none;
  padding: 10px 15px;
  font-size: 16px;
  transition: background-color 0.3s ease;
}

nav a:hover {
  background-color: #49aa5b; /* Vert par défaut, change ici si tu veux varier */
  border-radius: 5px;
}

        /* Header fixe */
     /*  header {
            background-color: #414141;
            color: rgb(164, 11, 11);
            padding: 2px;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 100;
        }*/

        header1 nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        header1 a {
            color: white;
            text-decoration: none;
            padding: 6px;
            font-size: 16px;
        }

        header1 a:hover {
            background-color: #49aa5b;
            border-radius: 5px;
        }
        ***********************************************************
       
        header a {
            color: white;
            text-decoration: none;
            padding: 10px;
            font-size: 16px;
        }
        header a:hover {
            background-color: #49aa5b;
            border-radius: 5px;
        }
        header a {
            color: white;
            text-decoration: none;
            padding: 6px;
            font-size: 16px;
        }
        header a:hover {
            background-color: #49aa5b;
            border-radius: 5px;
        }

        header2 nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        header2 a {
            color: white;
            text-decoration: none;
            text-align: center;
            padding: 6px;
            font-size: 16px;
        }

        header2 a:hover {
            background-color: #49aa5b;
            border-radius: 5px;
        }

        
        header3 nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        header3 a {
            color: white;
            text-decoration: none;
            padding: 6px;
            font-size: 16px;
        }

        header3 a:hover {
            background-color: #49aa5b;
            border-radius: 5px;
        }
        
        
        /* Container principal */
        .container {
            padding-top: 70px;
            width: 80%;
            margin: auto;
        }

        h1 {
            margin-left: -100px;
        }

        .project-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .project-item {
            background: #ffffff;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            margin-bottom: 10px;
            height: 205px;
        }

        .project-item h3 {
            margin: 10px 0;
        }

        .project-item p {
            margin-bottom: 10px;
        }

        .project-item a {
            text-decoration: none;
            color: inherit;
        }

        .project-item .delete-button {
            background-color: #ff4d4d;
            color: white;
            padding: 5px 10px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
        }

        .project-item .delete-button:hover {
            background-color: #ff3333;
        }

        .add-button {
            background-color: #4CAF50;
            color: white;
            padding: 5px 10px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            margin-left: auto;
            margin-right: 15px;
        }

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

        

        footer {
            background-color: #333;
            color: white;
            padding: 5px;
            position: fixed;
            bottom: 0;
            width: 100%;
            text-align: center;
        }

        footer a {
            color: white;
            text-decoration: none;
            padding: 5px;
        }

        footer a:hover {
            background-color: #555;
            border-radius: 3px;
        } 

        **********************************************************************************

        /* style du message d'erreur du formulaire de connexion (login.php) */
        .error-message {
            color: red;
            margin-top: 10px;
        }