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

        :root {
            --bg-dark: #0f172a;
            --bg-darker: #0a101f;
            --bg-surface: #1e293b;
            --bg-card: rgba(30, 41, 59, 0.7);
            --accent-primary: #5eead4;
            --accent-secondary: #818cf8;
            --text-primary: #e2e8f0;
            --text-secondary: #94a3b8;
            --border: #334155;
            --success: #34d399;
            --warning: #fbbf24;
            --danger: #f87171;
            --info: #60a5fa;
        }

        body {
            background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
            color: var(--text-primary);
            min-height: 100vh;
            padding: 20px;
            line-height: 1.6;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
        }

        /* Header Styles */
        header {
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 20px 30px;
            margin-bottom: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: 1px solid var(--border);
            box-shadow: 0 8px 32px rgba(2, 8, 20, 0.4);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .logo-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(45deg, var(--accent-secondary), var(--accent-primary));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
        }

        .logo-text h1 {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .logo-text p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .user-controls {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        /* Navigation */
        nav {
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 15px;
            margin-bottom: 25px;
            border: 1px solid var(--border);
        }

        .nav-links {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .nav-link {
            padding: 12px 20px;
            border-radius: 12px;
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link:hover, .nav-link.active {
            background: rgba(94, 234, 212, 0.15);
            color: var(--accent-primary);
            box-shadow: 0 0 15px rgba(94, 234, 212, 0.2);
        }

        /* Main Dashboard */
        .dashboard {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 25px;
            margin-bottom: 25px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            backdrop-filter: blur(10px);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(2, 8, 20, 0.3);
        }

        .stat-card h3 {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 15px;
        }

        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .stat-change {
            display: flex;
            align-items: center;
            gap: 5px;
            color: var(--success);
            font-weight: 500;
        }

        .stat-change.down {
            color: var(--danger);
        }

        /* Content Layout */
        .content {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 25px;
        }

        .main-content {
            display: grid;
            gap: 25px;
        }

        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            backdrop-filter: blur(10px);
        }

        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border);
        }

        .card-header h2 {
            font-size: 1.5rem;
            font-weight: 600;
        }

        /* Table Styles */
        table {
            width: 100%;
            border-collapse: collapse;
        }

        th {
            text-align: left;
            padding: 15px;
            color: var(--text-secondary);
            font-weight: 600;
            border-bottom: 1px solid var(--border);
        }

        td {
            padding: 15px;
            border-bottom: 1px solid rgba(51, 65, 85, 0.5);
        }

        tr:last-child td {
            border-bottom: none;
        }

        tr:hover td {
            background: rgba(94, 234, 212, 0.05);
        }

        .status {
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .status.active {
            background: rgba(52, 211, 153, 0.15);
            color: var(--success);
        }

        .status.pending {
            background: rgba(251, 191, 36, 0.15);
            color: var(--warning);
        }

        .status.banned {
            background: rgba(248, 113, 113, 0.15);
            color: var(--danger);
        }

        /* Buttons */
        .btn {
            padding: 12px 24px;
            border-radius: 12px;
            border: none;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary {
            background: linear-gradient(45deg, var(--accent-secondary), var(--accent-primary));
            color: var(--bg-dark);
            font-weight: 600;
        }

        .btn-primary:hover {
            box-shadow: 0 0 20px rgba(129, 140, 248, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-primary);
            color: var(--accent-primary);
        }

        .btn-outline:hover {
            background: rgba(94, 234, 212, 0.1);
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .activity-card li {
            padding: 15px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            gap: 15px;
        }

        .activity-card li:last-child {
            border-bottom: none;
        }

        .activity-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(94, 234, 212, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent-primary);
        }

        .activity-info h4 {
            margin-bottom: 5px;
            font-weight: 600;
        }

        .activity-info p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 25px;
            color: var(--text-secondary);
            margin-top: 25px;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 1100px) {
            .dashboard {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .dashboard {
                grid-template-columns: 1fr;
            }
            
            .content {
                grid-template-columns: 1fr;
            }
            
            header {
                flex-direction: column;
                gap: 20px;
            }
        }