header {
    display: flex;
    position: fixed;
    width: 100%;
    height: var(--vk_header_height);
    max-height: var(--vk_header_height);
    align-items: center;
    justify-content: space-between;
    margin: auto;
    padding: 0 2%;
    background: var(--vk_header_color);
    opacity: var(--vk_header_opacity);
    color: var(--textColor);
    transition: var(--vk_trans_05);
    z-index: 1000;
}   

#vk_header_divMenu{
    display: flex;
    align-items: center;
    margin-left: auto;
    padding: 5px 10px;
    width: fit-content;
}

#vk_header_wrapper_logoTitre{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

#vk_header_wrapper_logoTitre:hover{
    transform: scale(1.05);
}

#vk_header_logo{
    display: flex;
    max-height: 35px;
    margin-right: 10px;
}

#vk_header_titre {
    display: flex;
    color: var(--textColor);
    font-size: 1.5em;
    background: var(--vk_header_title_color);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: underline;
}

#vk_header_btLogin {
    opacity: 0;
    background: var(--vk_button_background_orange_color);
    color: white;
    padding: 6px;
    pointer-events: none; /* Empêche l'élément d'être cliquable quand caché */
    padding: 6px;
    transition: opacity 0.3s ease-in-out; /* Animation fluide */
}

#vk_header_btLogin:hover,
#vk_header_btLoginWrapper:hover #vk_header_btLogin {
    opacity: 1;
    pointer-events: auto; /* Rend l'élément interactif */
    background: var(--vk_button_background_orange_color_hover);
    color: white;
    padding: 6px;
}

/* ================================== CSS en dessous à revoir ================================== */


/* ==================== UTILISATEUR & DROPDOWN ==================== */
#vkHeader_div_user {
    position: relative;
    display: flex;
    align-items: center;
    background-color: rgba(var(--rgb_sidebarColor), 1);
    color: var(--textColor);
    padding: 5px 10px;
    font-size: 14px;
    border-radius: 8px;
    cursor: pointer;
    margin-left: 10px;
    width: fit-content;
}

#vkHeader_div_user:hover, .vk_headerButton:hover {
    background-color: var(--buttonBackgroundColorHover);
}

#vkHeader_div_user::after {
    content: "▼";
    font-size: 12px;
    color: var(--textColor);
    margin-left: 8px;
    align-self: center;
}

/* ==================== MENU DROPDOWN ==================== */
.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--buttonBackgroundColor);
    color: var(--textColor);
    box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 100;
    border-radius: 0 0 8px 8px;
    min-width: 150px;
}

.dropdown-content a {
    color: var(--textColor);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {
    background-color: var(--buttonBackgroundColorHover);
}

#vkHeader_div_user:hover .dropdown-content {
    display: block;
}

/* ==================== INFOS UTILISATEUR ==================== */
#vkHeader_info {
    display: flex;
    flex-direction: column;
}

#vkHeader_avatarUser {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    margin-right: 10px;
}

#vkHeader_nameUser {
    font-weight: bold;
    font-size: 1.1em;
}

#vkHeader_roleUser {
    color: #777;
    font-size: 0.9em;
}


/* ==================== SELECTION DU THEME ==================== */
#vkHeader_themeSwitcher {
    margin-right: 20px;
    margin-left: 20px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background: var(--vk_button_background_orange_color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}


/* MEDIA QUERIES */

/* Pour les tablettes et écrans moyens */
@media (max-width: 1024px) {
    #div_vkHeader_content {
        flex-direction: row;
        justify-content: space-between;
    }
    #vkHeader_titre {
        font-size: 1.5em;
    }
    .vk_headerButton {
        font-size: 0.9em;
        padding: 5px;
    }
}

/* Pour les téléphones mobiles */
@media (max-width: 768px) {
    #div_vkHeader {
        padding: 5%;
        /* Augmentation de la marge supérieure pour éviter un chevauchement éventuel */
        padding-top: 8%;
    }
    /* Cacher certains éléments pour alléger l’affichage */
    #vkHeader_nameUser, 
    #vkHeader_roleUser, 
    #vkHeader_themeSwitcher {
        display: none;
    }
    /* Réduction de la taille de l’avatar */
    #vkHeader_avatarUser {
        width: 30px;
        height: 30px;
        margin-right: 0;
    }
    /* Ajustement du bouton login */
    #vkHeader_btLogin {
        padding: 1%;
        font-size: 0.8em;
    }
    /* Affichage du logo et du titre spécifiques au mobile */
    #vkHeader_logoMobile, 
    #vkHeader_titreMobile {
        display: inline-block;
    }
}