/* Global Styles & Variables (New) */
:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
    --sidebar-width: 250px;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fc;
    color: #5a5c69;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* ---------------------------------------------------
    SIDEBAR STYLE (Modern Professional Dark Theme)
----------------------------------------------------- */
:root {
    /* Updated Palette */
    --sidebar-bg: #1e293b;         /* Slate 900 */
    --sidebar-color: #94a3b8;      /* Slate 400 */
    --sidebar-active-bg: #334155;  /* Slate 700 */
    --sidebar-active-color: #fff;  /* White */
    --sidebar-hover-bg: #2d3b4f;   /* Slate 800 Light */
    --sidebar-width: 250px;
    
    --primary-color: #4e73df;
    --secondary-color: #858796;
}

#wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
}

#sidebar {
    min-width: var(--sidebar-width);
    max-width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-color);
    transition: all 0.3s;
    height: 100vh; /* Changed from min-height to fixed height for scrolling */
    position: fixed;
    z-index: 999;
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
    overflow-y: auto; /* Enable vertical scrolling */
    scrollbar-width: thin; /* Firefox */
    scrollbar-color: var(--sidebar-active-bg) var(--sidebar-bg); /* Firefox */
}

/* Custom Scrollbar for Webkit (Chrome, Safari, Edge) */
#sidebar::-webkit-scrollbar {
    width: 6px;
}

#sidebar::-webkit-scrollbar-track {
    background: var(--sidebar-bg); 
}

#sidebar::-webkit-scrollbar-thumb {
    background-color: var(--sidebar-active-bg); 
    border-radius: 3px;
}

#sidebar.active {
    margin-left: calc(var(--sidebar-width) * -1);
}

#sidebar .sidebar-header {
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    position: relative; /* For absolute positioning of toggle */
}

#sidebar .sidebar-header h3 {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1px;
}

#sidebar ul.components {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#sidebar ul p {
    color: #64748b; /* Slate 500 */
    padding: 10px 20px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0;
    white-space: nowrap; /* Prevent wrapping */
}

#sidebar ul li a {
    padding: 12px 20px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    color: var(--sidebar-color);
    text-decoration: none;
    transition: all 0.2s ease-in-out;
    border-left: 3px solid transparent;
}

#sidebar ul li a i {
    width: 25px;
    text-align: center;
    margin-right: 10px;
    font-size: 1rem;
    flex-shrink: 0; /* Prevent icon shrinking */
}

#sidebar ul li a:hover {
    color: var(--sidebar-active-color);
    background: var(--sidebar-hover-bg);
    border-left-color: var(--primary-color);
    text-decoration: none;
}

#sidebar ul li.active > a,
a[aria-expanded="true"] {
    color: var(--sidebar-active-color);
    background: var(--sidebar-active-bg);
    border-left-color: var(--primary-color);
    font-weight: 600;
}

ul ul a {
    font-size: 0.85rem !important;
    padding-left: 55px !important;
    background: rgba(0, 0, 0, 0.15);
    padding-top: 10px;
    padding-bottom: 10px;
}

/* Main Content Wrapper - Fixed Layout Overflow */
.main-content {
    width: calc(100% - var(--sidebar-width)); /* Prevent overflow */
    transition: all 0.3s;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* When sidebar is hidden (active class on sidebar) */
#sidebar.active ~ .main-content {
    margin-left: 0;
    width: 100%;
}

/* Sidebar Toggle Button (Custom Style) */
#sidebarToggleDesktop {
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.7);
    width: 35px;
    height: 35px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

#sidebarToggleDesktop:hover {
    background-color: rgba(255,255,255,0.1);
    color: #fff;
    transform: scale(1.05);
}

#sidebarToggleDesktop:focus,
#sidebarToggleDesktop:active {
    outline: none !important;
    box-shadow: none !important;
    background-color: rgba(255,255,255,0.15);
}

/* ---------------------------------------------------
    COLLAPSED SIDEBAR (Desktop Only)
----------------------------------------------------- */
@media (min-width: 769px) {
    body.collapsed #sidebar {
        min-width: 80px;
        max-width: 80px;
    }

    body.collapsed .main-content {
        margin-left: 80px;
        width: calc(100% - 80px);
    }

    /* Adjust Header */
    body.collapsed #sidebar .sidebar-header {
        padding: 10px 0;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 60px; /* Altezza fissa per header */
    }

    /* Nascondi completamente logo e testi */
    body.collapsed #sidebar .logo-full,
    body.collapsed #sidebar .logo-mini,
    body.collapsed #sidebar .logo-area,
    body.collapsed #sidebar .link-text,
    body.collapsed #sidebar ul p,
    body.collapsed #sidebar .user-info,
    body.collapsed #sidebar .user-info-text {
        display: none !important;
    }
    
    /* Centra il bottone burger */
    body.collapsed #sidebar #sidebarToggleDesktop {
        position: static !important; /* Rimuovi posizionamento assoluto */
        margin: 0 !important;
        transform: none;
        display: flex !important;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    /* Center Icons */
    body.collapsed #sidebar ul li a {
        justify-content: center;
        padding: 15px 0;
    }
    
    body.collapsed #sidebar ul li a i {
        margin-right: 0;
        font-size: 1.2rem;
    }

    /* DISABILITA CLICK ed ESPANSIONE SOTTOMENU */
    body.collapsed #sidebar ul li a.dropdown-toggle {
        pointer-events: none; /* Rende il link non cliccabile */
        cursor: default;
    }
    
    /* Nascondi freccette dei dropdown se presenti (bootstrap le mette con after) */
    body.collapsed #sidebar ul li a.dropdown-toggle::after {
        display: none !important;
    }

    /* Tooltip solo al passaggio del mouse (senza sottomenu) */
    body.collapsed #sidebar ul li > a[title]:hover::after {
        content: attr(title);
        position: absolute;
        left: 70px;
        top: 50%;
        transform: translateY(-50%);
        background: #1e293b; /* Sidebar bg color */
        color: #fff;
        padding: 8px 12px;
        border-radius: 4px;
        font-size: 0.85rem;
        white-space: nowrap;
        z-index: 1001;
        pointer-events: none;
        box-shadow: 2px 2px 5px rgba(0,0,0,0.2);
        border: 1px solid #334155;
    }
    
    /* Hover effect migliorato */
    body.collapsed #sidebar ul li a:hover {
        background-color: var(--sidebar-hover-bg);
        border-left: 3px solid var(--primary-color); /* Bordo colorato a sinistra */
    }

    /* Nascondi completamente i sottomenu in collapsed mode (anche al click o hover) */
    body.collapsed #sidebar ul.collapse.show {
        display: none !important;
    }
    
    /* Nascondi sottomenu anche se si prova a espandere */
    body.collapsed #sidebar ul li:hover > ul {
        display: none !important;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    #sidebar {
        margin-left: calc(var(--sidebar-width) * -1);
    }
    #sidebar.active {
        margin-left: 0;
    }
    .main-content {
        margin-left: 0;
        width: 100%;
        padding-top: 60px; /* Space for mobile toggle */
    }
    #sidebar.active ~ .main-content {
        margin-left: 0; 
        position: fixed; /* Lock body scroll when menu open */
    }
    
    /* Overlay effect when sidebar is active on mobile */
    body.sidebar-toggled::after {
        content: "";
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 998;
        backdrop-filter: blur(2px);
    }
    
    .mobile-menu-toggle {
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 1000;
        background: var(--primary-color);
        color: white;
        border: none;
        padding: 8px 12px;
        border-radius: 5px;
    }
}