:root {
            --sidebar-width: 300px;
            --sidebar-collapsed-width: 60px;
            --main-purple: #5C0049;
            --level1-bg: #e0e0e0;
            --level1-text: #333333;
            --submenu-bg: #ffffff;
            --submenu-text: #555555;
            --pastille-blue: rgb(92, 0, 73);
            --footer-height: 150px;
            --total-fixed-height: 220px;
            --transition-speed: 0.3s;
            --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }

        #sidebar_menu,
        #sidebar_menu * {
            box-sizing: border-box;
        }

        #sidebar_menu {
            width: var(--sidebar-width);
            z-index: 1000;
            height: 100vh;
            border-top-right-radius: 12px;
            background-color: var(--level1-bg);
            transition: width var(--transition-speed) var(--transition-smooth), 
                        box-shadow var(--transition-speed) ease;
            overflow-x: hidden;
            position: fixed;
            left: 0;
            top: 0;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            box-shadow: 2px 0 22px rgba(0, 0, 0, 0.56), 
                        3px 0 12px rgba(0, 0, 0, 0.1);
            will-change: width;
        }

        #sidebar_menu:hover {
            box-shadow: 3px 0 22px rgba(0, 0, 0, 0.66), 
                        4px 0 12px rgba(0, 0, 0, 0.2);
        }

        #sidebar_menu.collapsed {
            width: var(--sidebar-collapsed-width);
            height: 100vh;
        }

        .toggle-container {
            padding: 10px 15px;
            align-items: center;
            cursor: pointer;
            /* background-color: red; */
            /* background-color: var(--main-purple); */
            background: rgba(92, 0, 73, 0.7) !important;
            color: white;
            flex-shrink: 0;
            text-align: start !important;
            box-shadow: 0 3px 15px rgba(0,0,0,0.8);
            position: relative;
            z-index: 10;
        }

        .toggle-container:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(92, 0, 73, 0.3);
        }

        .toggle-container select {
            width: 80% !important;
            margin: 5px auto !important;
            border: 1px solid #cccccc !important;
            border-radius: 14px !important;
            padding: 1px 5px !important;
            font-size: 15px !important;
            background-color: #ffffff !important;
            color: #333333 !important;
            height: auto !important;
            line-height: normal !important;
            box-sizing: border-box !important;
            -webkit-appearance: none !important;
            -moz-appearance: none !important;
            appearance: none !important;
            background-image: url('data:image/svg+xml;charset=UTF-8,%3Csvg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"%3E%3Cpath fill="%23333" d="M6 9L1 4h10z"/%3E%3C/svg%3E') !important;
            background-repeat: no-repeat !important;
            background-position: right 8px center !important;
            background-size: 12px !important;
        }


        .toggle-icon {
            width: 25px;
            height: 25px;
            flex-shrink: 0;
            transition: transform var(--transition-speed) var(--transition-smooth);
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
        }

        /* .toggle-container:hover .toggle-icon {
            transform: scale(1.1) rotate(5deg);
        } */

        .menu-header-text {
            font-size: 1.5em;
            font-weight: bold;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: opacity var(--transition-speed) ease;
        }

        /* Masquer le texte du header quand le menu est collapsed */
        #sidebar_menu.collapsed .menu-header-text {
            opacity: 0;
            pointer-events: none;
            display: none;
        }

        .collapsed .menu-header-text {
            opacity: 0;
        }

        .menu-content {
            flex: 1 1 auto;
            min-height: 0;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            scrollbar-width: thin;
            scrollbar-color: rgba(92, 0, 73, 0.3) transparent;
            scroll-behavior: smooth;
        }

        /* Le menu prend toute la hauteur disponible */
        #sidebar_menu:not(.collapsed) .menu-content {
            max-height: 100%;
        }

        /* Empeche les entrees de se comprimer dans la colonne flex */
        .menu-content > .menu-group {
            flex-shrink: 0;
        }

        .menu-content .collapsed {
             max-height: 100vh;
        }

        .menu-group {
            border-bottom: 1px solid #e0e0e0;
        }

        .menu-group .collapsed{
            height: 100vh;
        }

        .burger-menu {
            display: flex;
            flex-direction: column;
            justify-content: space-around;
            width: 25px;
            height: 25px;
            cursor: pointer;
            margin: auto;
            opacity: 1;
            transition: opacity 0.3s ease;
        }

        .burger-menu span {
            display: block;
            height: 3px;
            background-color: rgb(255, 255, 255);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* Masquer le burger menu quand le sidebar est ouvert */
        #sidebar_menu:not(.collapsed) .burger-menu {
            opacity: 0;
            pointer-events: none;
            display: none;
        }

        /* Niveau 1 - Fond Gris */
        .level-1 {
            padding: 2px 10px !important;
            min-height: 43px !important;
            cursor: pointer !important;
            display: flex !important;
            align-items: center !important;
            font-weight: 600 !important;
            white-space: nowrap !important;
            background-color: #ffffff !important;
            color: var(--level1-text) !important;
            transition: all 0.25s var(--transition-smooth) !important;
            position: relative !important;
            font-size: 0.95em !important;
            margin: 0 !important;
            border: none !important;
            border-radius: 0 !important;
            text-align: left !important;
            text-decoration: none !important;
            line-height: 1.4 !important;
            box-sizing: border-box !important;
            user-select: none !important;
        }

        /* Hauteur homogene des entrees, alignee sur la plus grande (entree
           active en font-size 1em), uniquement quand le menu est deploye :
           en mode reduit cela gonflait les lignes et faisait apparaitre un
           ascenseur a tort. */
        #sidebar_menu:not(.collapsed) .level-1 {
            min-height: 43px !important;
        }

        .level-1::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 0;
            background: linear-gradient(90deg, rgba(92, 0, 73, 0.1) 10%, #ffffff 100%);
            transition: width 0.5s var(--transition-smooth);
            z-index: -1;
        }

        .level-1:hover {
            background-color: #f8f8f8 !important;
            color: var(--main-purple) !important;
            transform: translateX(0px);
        }

        .level-1:hover::before {
            width: 100%;
        }

        /* Niveau 1 actif */
        .level-1.active {
            background: rgba(92, 0, 73, 0.7) !important;
            color: white !important;
            border-left: 4px solid #ff6b9d !important;
            /* font-size: 1em !important; */
            box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
        }

        .level-1.active::before {
            display: none;
            background: rgba(92, 0, 73, 0.7) !important;
        }

        .level-1.active:hover {
            /* background: rgba(92, 0, 73, 0.5) !important; */
            box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3), 
                        0 2px 8px rgba(92, 0, 73, 0.2);
            transform: none;
        }

        /* Pastille bleue */
        .pastille {
            margin-right: 20px;
            flex-shrink: 0;
            transition: transform var(--transition-speed) var(--transition-bounce);
        }

        .pastille a {
            display: block;
            line-height: 0;
        }

        /* Pastille bleue */
        .pastille img{
            width: 32px;
            height: 32px;
            filter: drop-shadow(0 0 1px rgb(255, 255, 255));
            /* transition: filter var(--transition-speed) ease; */
        }

        .level-1:hover .pastille img {
            filter: drop-shadow(0 0 2px rgb(255, 255, 255));
        }

        /* Pastille rouge "nouveau" sur l'icone Outils / Extensions */
        .level-1[title="Outils / Extensions"] .pastille {
            position: relative;
            overflow: visible;
        }

        .level-1[title="Outils / Extensions"] .pastille::after {
            content: '';
            position: absolute;
            top: -4px;
            right: -4px;
            width: 10px;
            height: 10px;
            background: linear-gradient(135deg, #ff0000, #d50404);
            border-radius: 50%;
            border: 1px solid white;
        }

        .collapsed .pastille {
            margin-right: 0;
        }

        .collapsed .level-1 {
            padding: 1px 0 0 0 !important;
            justify-content: center;
            transition: all var(--transition-speed) ease !important;
        }

        .collapsed .level-1.active {
            background: rgba(92, 0, 73, 0.7) !important;
            /* background: linear-gradient(90deg, rgba(92, 0, 73, 0.5) 80%, transparent 100%) !important; */
            color: white !important;
        }

        .collapsed .level-1:hover {
            background: linear-gradient(90deg, rgba(92, 0, 73, 0.2) 0%, transparent 100%);
            filter: drop-shadow(0 0 2px rgb(255, 255, 255));
            /* transform: scale(1.05); */
        }

        .collapsed .menu-text, 
        .collapsed .menu-header-text,
        .collapsed .sidebar-footer,
        .collapsed .footer-text,
        .collapsed .sidebar-footer,
        .collapsed .footer-logo {
            opacity: 0;
            display: none;
            transition: opacity var(--transition-speed) ease;
        }

    .menu-text a{
        text-decoration: none !important;
        color: inherit !important;
        transition: color var(--transition-speed) ease !important;
        cursor: pointer !important;
        pointer-events: auto !important;
        position: relative !important;
        z-index: 1 !important;
    }

    /* Etend la zone cliquable du lien du module a toute la ligne .level-1
       (et pas seulement au libelle) quand le menu est deploye : le span
       .menu-text occupe tout l'espace flex restant, et le lien qu'il
       contient remplit ce span (le ::after ne convient pas ici car
       .menu-text a est deja position:relative, ce qui le rend lui-meme
       bloc de positionnement pour son propre pseudo-element). */
    #sidebar_menu:not(.collapsed) .level-1 .menu-text {
        flex: 1 1 auto !important;
        align-self: stretch !important;
        display: flex !important;
        align-items: center !important;
    }

    #sidebar_menu:not(.collapsed) .menu-text a {
        display: flex !important;
        align-items: center !important;
        width: 100% !important;
        height: 100% !important;
    }

        /* Niveau 2 */
        .submenu {
            display: none;
            background-color: var(--submenu-bg);
            list-style: none;
            margin: 0;
            padding: 0;
            overflow: hidden;
            max-height: 0;
            opacity: 0;
            transition: max-height 0.4s var(--transition-smooth), 
                        opacity 0.3s ease,
                        padding 0.3s ease;
        }

        .submenu.open {
            display: block;
            max-height: 2000px;
            opacity: 1;
            animation: slideDown 0.4s var(--transition-smooth);
        }

        @keyframes slideDown {
            from {
                max-height: 0;
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                max-height: 2000px;
                opacity: 1;
                transform: translateY(0);
            }
        }

        .level-2 {
            padding: 5px 10px 5px 52px !important;
            cursor: pointer !important;
            font-size: 14px !important;
            border-bottom: 1px solid rgba(238, 238, 238, 0.8) !important;
            white-space: nowrap !important;
            margin: 0 0 0 10px !important;
            display: block !important;
            background-color: transparent !important;
            border-left: 0px solid transparent !important;
            border-right: none !important;
            border-radius: 24px !important;
            text-align: left !important;
            text-decoration: none !important;
            line-height: 1.5 !important;
            box-sizing: border-box !important;
            font-weight: normal !important;
            transition: all 0.2s var(--transition-smooth) !important;
            position: relative !important;
            user-select: none !important;
        }

        .level-2:hover {
            background: linear-gradient(90deg, rgba(92, 0, 73, 0.2) 30%, transparent 80%);
            transition: width 0.8s var(--transition-smooth);
            color: var(--main-purple) !important;
            font-weight: 600 !important;
            text-decoration: none !important;
            border-left-color: var(--main-purple) !important;
            border-right-color: var(--main-purple) !important;
            border-radius: 14px !important;
            padding-left: 54px !important;
            transform: translateX(0px);
        }

        /* D�sactiver le hover pour level-2 qui ont le sous-menu ouvert */
        .level-2.has-submenu.open:hover {
            background: transparent !important;
            color: var(--submenu-text) !important;
            font-weight: normal !important;
            border-left-color: transparent !important;
            padding-left: 52px !important;
            transform: none !important;
        }

        .level-2.has-submenu > div::after {
            content: '\203A';
            position: absolute;
            right: 10px;
            top: 13px;
            transform: translateY(-50%);
            transition: transform 0.3s;
            font-weight: bold;
            font-size: 24px;
        }

        .level-2.has-submenu.open > div::after {
            transform: translateY(-50%) rotate(90deg);
        }
        
        .level-3 {
            padding: 5px 10px 5px 40px !important;
            cursor: pointer !important;
            font-size: 13px !important;
            color: var(--submenu-text) !important;
            /* border-bottom: 1px solid rgba(238, 238, 238, 0.5) !important; */
            white-space: nowrap !important;
            margin: 0px !important;
            display: block !important;
            background-color: transparent !important;
            border-top: none !important;
            border-left: 0px solid transparent !important;
            border-right: none !important;
            border-radius: 12px !important;
            text-align: left !important;
            text-decoration: none !important;
            line-height: 1.5 !important;
            box-sizing: border-box !important;
            font-weight: normal !important;
            transition: all 0.2s var(--transition-smooth) !important;
            position: relative !important;
            user-select: none !important;
        }

        .level-3:hover {
           background: linear-gradient(90deg, rgba(92, 0, 73, 0.25) 0%, transparent 100%) !important;
            color: var(--main-purple) !important;
            font-weight: 600 !important;
            border-left-color: rgba(92, 0, 73, 0.5) !important;
            font-weight: bold;
            transition: all 0.2s var(--transition-smooth) !important;
        }

        /* .level-2:hover .level-3 {
            background: transparent !important;
        } */


        .level-2:active {
            background: rgba(92, 0, 73, 0.8) !important;
            color: white !important;
            transform: translateX(0);
        }

        /* �tats de focus pour l'accessibilit� */
        .level-2:focus,
        .level-1:focus {
            outline: 2px solid rgba(92, 0, 73, 0.5);
            outline-offset: -2px;
        }

        #main-content {
            margin-left: var(--sidebar-width);
            padding: 5px 20px;
            transition: margin-left var(--transition-speed) var(--transition-smooth);
            flex-grow: 1;
        }

        #main-content {
            margin-left: var(--sidebar-collapsed-width);
        }

        /* Animations suppl�mentaires pour une meilleure UX */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* Am�lioration du feedback tactile sur mobile */
        @media (hover: none) and (pointer: coarse) {
            .level-1:active,
            .level-2:active,
            .toggle-container:active {
                opacity: 0.8;
                transition: opacity 0.1s ease;
            }
        }

        /* Footer avec logo */
        .sidebar-footer {
            padding: 0 20px;
            text-align: center;
            background-color: #ffffff;
            /* colle le logo tout en bas de la barre : plus d'espace apres lui */
            margin-top: auto;
        }

        .footer-logo {
            max-width: 100%;
            height: auto;
            max-height: 80px;
            object-fit: contain;
            opacity: 0.9;
            transition: opacity 0.3s ease, transform 0.3s ease;
        }

        /* Chaque entree est enveloppee dans des .menu-group imbriques : la
           marge basse de :last-of-type s'appliquait donc a chaque groupe et
           s'accumulait apres le logo (espace mort en mode deploye) tout en
           faisant apparaitre un ascenseur en mode reduit. On la met a 0 ; la
           marge haute du .sidebar-footer suffit a espacer le logo du menu. */
        .menu-content .menu-group:last-of-type {
            margin-bottom: 0;
        }

        /* Masquer le footer quand le menu est collapsed */
        #sidebar_menu.collapsed .sidebar-footer {
            opacity: 0;
            display: none;
            transition: opacity var(--transition-speed) ease;
        }