:root {
            --sidebar-width-collapsed: 70px;
            --sidebar-width-expanded: 240px;
            --bg-sidebar: #ffffff;
            --accent-color: #0b57d0;
            --text-color: #202124;
            --hover-bg: #e8eaed;
        }

        * {
            box-sizing: border-box;
        }

        body {
            background-image: url('img/sfondo.jpeg');
            background-attachment: fixed;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        /* Sidebar */
        #mySidebar {
            height: 100%;
            width: var(--sidebar-width-collapsed);
            position: fixed;
            top: 0;
            left: 0;

            overflow-x: hidden;
            overflow-y: auto;
            transition: width 0.3s ease;
            z-index: 10;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 5px rgba(0,0,0,0.05);
        }

        /* Contenuto Principale */
        #main {
            transition: margin-left 0.3s ease;
            margin-left: var(--sidebar-width-collapsed);
            min-height: 100vh;
            padding: 20px;
        }

        /* Tasto Toggle (Hamburger) */
        .toggle-container {
            padding: 16px;
            display: flex;
            align-items: center;
            cursor: pointer;
            color: var(--text-color);
            transition: background 0.2s;
        }
        
        .toggle-container:hover {
            background-color: var(--hover-bg);
        }

        /* Voci del menu */
        .menu-item {
            padding: 12px 16px;
            display: flex;
            align-items: center;
            text-decoration: none;
            color: var(--text-color);
            white-space: nowrap;
            transition: background 0.2s, color 0.2s;
            cursor: pointer;
        }

        .menu-item:hover {
            background-color: var(--hover-bg);
            color: var(--accent-color);
        }

        .menu-item i, .toggle-container i {
            min-width: 36px;
            font-size: 18px;
            text-align: center;
        }

        .menu-text {
            margin-left: 12px;
            opacity: 0;
            transition: opacity 0.2s ease;
            font-weight: 500;
            font-size: 14px;
        }
			.menu-item.active {
			    background-color:  var(--hover-bg);
			    color: var(--accent-color);
			    font-weight: bold;
			}
        /* Menu espanso */
        #mySidebar.sidebar-open {
            width: var(--sidebar-width-expanded);
        }

        #mySidebar.sidebar-open .menu-text {
            opacity: 1;
        }

        /* Separatore */
        .sidebar-divider {
            margin: 8px 16px;
            border-top: 1px solid white
        }

        /* Spinta verso il basso per l'ultimo elemento */
        .menu-bottom {
            margin-top: auto;
            padding-bottom: 20px;
        }

        /* Mobile trigger (visibile solo su schermi piccoli) */
        .mobile-trigger {
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 20;
            background: white;
            padding: 10px 12px;
            border-radius: 50%;
            box-shadow: 0 2px 8px rgba(0,0,0,0.15);
            cursor: pointer;
            display: none;
            transition: background 0.2s;
        }

        .mobile-trigger:hover {
            background-color: var(--hover-bg);
        }

        /* Overlay per mobile */
        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            z-index: 9;
            display: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        /* Responsive Mobile */
        @media (max-width: 600px) {
            #mySidebar {
                width: 0;
                box-shadow: none;
            }
            
            #mySidebar.sidebar-open {
                width: 260px;
                box-shadow: 2px 0 10px rgba(0,0,0,0.2);
            }

            #main {
                margin-left: 0 !important;
            }

            .mobile-trigger {
                display: block;
            }

            .mobile-overlay.active {
                display: block;
                opacity: 1;
            }
        }

        /* Desktop: nasconde overlay */
        @media (min-width: 601px) {
            .mobile-overlay {
                display: none !important;
            }
        }

        /* Stile contenuto principale */
        .content-card {
            background: rgba(255,255,255,0.92);
            border-radius: 24px;
            padding: 32px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        h2 {
            color: var(--accent-color);
            font-weight: 600;
        }