@import url("https://fonts.googleapis.com/css?family=Poppins:400,600,900");

  :root {
            --bg-dark-slate: #0f172a;
            --bg-deep-carbon: #1e293b;
            --border-flat-color: #334155;
            --neon-aqua: #00e5ff;
            --text-slate-light: #f8fafc;
            --text-muted-flat: #94a3b8;
        }

        body {
            background-color: #f1f5f9;
            color: #334155;
            font-family: "Poppins", sans-serif;
            overflow-x: hidden;
        }

        /* Sidebar Flat Premium Mode */
        #sidebar {
            background: var(--bg-dark-slate) !important;
            border-right: 1px solid var(--border-flat-color);
            min-width: 260px;
            max-width: 260px;
            transition: all 0.3s ease;
        }
        #sidebar.active {
            margin-left: -260px;
        }
        .sidebar-header {
            padding: 20px;
            border-bottom: 1px solid var(--border-flat-color);
            background: #020617;
        }
        #sidebar ul li a {
            padding: 14px 20px;
            font-size: 12px;
            font-weight: 700;
            color: var(--text-muted-flat);
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(51, 65, 85, 0.3);
            transition: all 0.15s ease;
            letter-spacing: 0.5px;
        }
        #sidebar ul li a:hover, #sidebar ul li.active > a {
            color: var(--neon-aqua) !important;
            background: var(--bg-deep-carbon);
            border-left: 4px solid var(--neon-aqua);
            text-decoration: none;
        }
        .cat-count {
            background: #020617 !important;
            color: var(--neon-aqua) !important;
            border: 1px solid var(--border-flat-color) !important;
            font-size: 10px;
            padding: 3px 6px;
        }

        /* Main Container Framework */
        #main-container {
            width: 100%;
            padding: 20px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }
        .wrapper {
            display: flex;
            align-items: stretch;
            width: 100%;
        }

        /* Navbar & Header Flat Utility */
        .card-flat {
            background: #ffffff;
            border: 1px solid #e2e8f0 !important;
            box-shadow: none !important;
        }
        .p-tight {
            padding: 12px 20px !important;
        }
        .bg-dark-custom {
            background-color: var(--bg-dark-slate) !important;
        }
        .text-aqua {
            color: var(--neon-aqua) !important;
        }

        /* Buttons Filter Control Flat */
        .btn-filter {
            background: #ffffff;
            border: 1px solid #cbd5e1;
            color: #475569;
            font-size: 11px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 0;
            margin-left: 4px;
            margin-bottom: 4px;
            transition: all 0.1s ease;
        }
        .btn-filter:hover, .btn-filter.active {
            background: var(--bg-dark-slate);
            color: var(--neon-aqua) !important;
            border-color: var(--bg-dark-slate);
        }

        #sidebarCollapse {
            background: transparent;
            border: 1px solid #cbd5e1;
            color: #334155;
            width: 32px;
            height: 32px;
        }

        /* Terminal Style Footer */
        .terminal-mini {
            background: #020617;
            border: 1px solid var(--border-flat-color);
            padding: 12px 16px;
            font-family: "Poppins", sans-serif;
            margin-top: 30px;
        }
        
        /* RESPONSIVE MOBILE ACCELERATION CORES */
        @media (max-width: 768px) {
            #sidebar { 
                margin-left: -260px; 
                position: fixed; 
                height: 100vh; 
                z-index: 9999; 
            }
            #sidebar.active { 
                margin-left: 0; 
            }
        }