html,
body {
    /*height: 100%;*/
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    background: linear-gradient(135deg, #e6f2f2, #ffffff);
    flex-direction: column;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    /*color: #333;*/
}

/* Gestion du Menu */

nav.sticky-nav {
    position: sticky;
    top: 0;
    background-color: #005F5E;
    z-index: 1000;
    padding: 10px 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.nav-logo {
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 20px;
    justify-content: space-between;
}

.nav-menu li {
    list-style: none;
    text-align: center;
}

.nav-menu a {
    color: #ecf0f1;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.nav-menu a:hover {
    background-color: #1abc9c;
    color: white;
    text-decoration: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    border-radius: 2px;
    transition: 0.3s;
}

/* Gestion du contenu */

.contenu {
    flex: 1;
    padding: 20px;
}

.btn-ajout{
    display: inline-flex;
    align-items: center;
    margin-bottom: 1em;
    background-color: #018C8A;
    gap: 10px;
    padding: 8px;
    border-radius: 4px;
    color: #f9f9f9;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-ajout:hover {
    background-color: #016b6a;
    color: #ffffff;
    transform: scale(1.05);
    text-decoration: none;
}

footer {
    background-color: #005F5E;
    color: #ecf0f1;
    text-align: center;
    padding: 15px 0;
    width: 100%;
}

footer a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

footer a:hover {
    text-decoration: underline;
}

@media screen and (max-width: 768px) {

    /* Gestion du Menu */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        flex-direction: column;
        width: 100%;
        display: none;
        margin-top: 10px;
    }

    .nav-menu.show {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        width: 100%;
        text-align: left;
    }

    .nav-container {
        justify-content: space-between;
    }

    /* Gestion du contenu */

    .contenu {
        padding: 10px;
    }
}