body {
    font-family: Arial, sans-serif;
    background: rgb(11, 1, 77);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: auto;
}

.boite {
    background: rgb(3, 213, 245);
    padding: 2rem;
    text-align: center;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 600px;
}

.boite2 {
    background: rgb(3, 213, 245);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 600px;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

input {
    width: 200px;
    padding: 10px;
    margin-top: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    width: 100px;
    padding: 10px;
    margin-top: 10px;
    background: rgb(2, 160, 41);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* colonnes*/
.container {
    display: flex; /* crée deux colonnes flexibles */
    gap: 1rem;     /* espace entre les colonnes */
}

.col {
    flex: 1;  /* chaque colonne prend la même largeur */
    padding: 1rem;
    background: #f5f5f5;
    border: 1px solid #ddd;
}

button:hover {
    background: #1b6a2c;
}

.error {
    color: red;
    text-align: center;
    margin-bottom: 10px;
}



/* barre de navigation */
nav {
    background-color: #333;
    padding: 10px;
    position: relative;
}
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-around;
}
nav a {
    text-decoration: none;
    color: white;
    font-weight: bold;
}
nav a:hover {
    color: #ff6347;
}
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}
.hamburger div {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 4px 0;
}
@media (max-width: 768px) {
    nav ul {
        display: none;
        flex-direction: column;
        align-items: center;
    }
    nav ul li {
        margin-bottom: 10px;
    }
    .hamburger {
        display: flex;
    }
}
nav.active ul {
    display: flex;
}


/* footer */
footer {
    color: white;
    text-align: center;
}

footer h5{
    text-align: center;
    margin-bottom:-20px;
}

footer a {
    color: #ff9900;
    text-decoration: none;
    margin: 0 20px;
}