:root {
            --bg-color: #f4f6f9;
            --sidebar-bg: #1e293b;
            --card-bg: #ffffff;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --accent-blue: #2563eb;
            --accent-hover: #1d4ed8;
            --border-color: #e2e8f0;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--bg-color);
            display: flex;
            min-height: 100vh;
            color: var(--text-main);
        }

        /* Sidebar Styling */
        .sidebar {
            width: 250px;
            background-color: var(--sidebar-bg);
            color: #fff;
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar .brand {
            font-size: 1.2rem;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 15px;
            border-bottom: 1px solid #334155;
        }

        .sidebar ul {
            list-style: none;
        }

        .sidebar ul li {
            margin-bottom: 8px;
        }

        .sidebar ul li a {
            color: #94a3b8;
            text-decoration: none;
            padding: 10px 14px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-radius: 6px;
            transition: all 0.2s ease;
        }

        .sidebar ul li a:hover,
        .sidebar ul li a.active {
            background-color: var(--accent-blue);
            color: #fff;
        }

        /* Main Content Styling */
        .main-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        /* Top Navbar */
        .navbar {
            background-color: var(--card-bg);
            padding: 15px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
        }

        .search-bar {
            display: flex;
            align-items: center;
            background: var(--bg-color);
            padding: 8px 14px;
            border-radius: 20px;
            width: 300px;
        }

        .search-bar input {
            border: none;
            background: transparent;
            outline: none;
            margin-left: 8px;
            width: 100%;
        }

        .user-profile {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--accent-blue);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        /* Dashboard Container */
        .dashboard-container {
            padding: 30px;
        }

        .header-title {
            margin-bottom: 24px;
        }

        .header-title h1 {
            font-size: 1.6rem;
            margin-bottom: 4px;
        }

        .header-title p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Grid Layout */
        .grid-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        /* Service Cards */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
        }

        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 12px;
        }

        .card-icon {
            font-size: 1.5rem;
            color: var(--accent-blue);
            background: #eff6ff;
            width: 48px;
            height: 48px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .badge {
            font-size: 0.75rem;
            padding: 4px 8px;
            border-radius: 12px;
            font-weight: 600;
        }

        .badge-blue { background: #dbeafe; color: #1e40af; }
        .badge-green { background: #dcfce7; color: #166534; }
        .badge-purple { background: #f3e8ff; color: #6b21a8; }
        .badge-orange { background: #ffedd5; color: #9a3412; }

        .card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .btn {
            display: block;
            text-align: center;
            text-decoration: none;
            background-color: var(--accent-blue);
            color: #fff;
            padding: 10px;
            border-radius: 6px;
            font-weight: 500;
            transition: background 0.2s ease;
        }

        .btn:hover {
            background-color: var(--accent-hover);
        }

        /* Responsive Breakpoints */
        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .sidebar {
                width: 100%;
            }
            .search-bar {
                width: 180px;
            }
        }