/* General Reset */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: Arial, sans-serif;
            background: #f9f9f9;
            color: #333;
            display: flex;
            height: 100vh;
            overflow: hidden;
        }

        /* Sidebar */
        .sidebar {
            width: 250px;
            background: #0078d4;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 20px;
            height: 100vh;
            box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
        }

        .sidebar h2 {
            font-size: 20px;
            text-align: center;
            margin-bottom: 20px;
        }

        .sidebar ul {
            list-style: none;
        }

        .sidebar ul li {
            margin-bottom: 15px;
        }

        .sidebar ul li a {
            text-decoration: none;
            color: #fff;
            font-size: 16px;
            display: flex;
            align-items: center;
        }

        .sidebar ul li a i {
            margin-right: 10px;
            font-size: 20px;
        }

        .sidebar ul li a:hover {
            color: #ffc000;
        }

        .sidebar-footer {
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Main Content */
        .main-content {
            flex: 1;
            padding: 20px;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

a{
text-decoration: none;
color: #fff;
}

        /* Header */
        .header {
            background: #fff;
            padding: 15px 20px;
            border-bottom: 1px solid #ddd;
            display: flex;
            flex-direction: column;
            margin-bottom: 20px;
        }

        .header h1 {
            font-size: 24px;
            color: #333;
            margin-bottom: 5px;
        }

        .header p {
            font-size: 14px;
            color: #666;
        }

        .header button {
            background: #0078d4;
            border: none;
            color: #fff;
            padding: 10px 15px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
            align-self: flex-end;
        }

        .header button:hover {
            background: #005a9e;
        }

        /* KPI Cards */
        .kpi-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 20px;
        }

        .kpi-card {
            background: #fff;
            border: 1px solid #ddd;
            border-radius: 5px;
            padding: 20px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            text-align: center;
            position: relative;
        }

        .kpi-card i {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 20px;
            color: #0078d4;
        }

        .kpi-card h3 {
            font-size: 16px;
            margin-bottom: 10px;
            color: #555;
        }

        .kpi-card p {
            font-size: 20px;
            font-weight: bold;
            color: #0078d4;
        }

        /* Charts */
        .charts {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .chart-container {
            background: #fff;
            border: 1px solid #ddd;
            border-radius: 5px;
            padding: 20px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        canvas {
            max-height: 300px;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .sidebar {
                width: 100%;
                height: auto;
                flex-direction: row;
                justify-content: space-around;
                padding: 10px;
            }

            .sidebar ul {
                display: flex;
                flex-wrap: wrap;
            }

            .sidebar ul li {
                margin-right: 15px;
            }
        }