:root {
            --color-dark-bg: #0e1217;
            --color-card-bg: #161b22;
            --color-card-border: #21262d;
            --color-accent-gold: #ffd700;
            --color-fire-orange: #ff5e00;
            --color-success-green: #10b981;
            --color-danger-red: #ef4444;
            --color-text-main: #f0f6fc;
            --color-text-sub: #8b949e;
            --font-heading: 'Montserrat', -apple-system, sans-serif;
            --font-body: 'Inter', -apple-system, sans-serif;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background-color: var(--color-dark-bg);
            color: var(--color-text-main);
            font-family: var(--font-body);
            min-height: 100vh;
            padding: 24px;
            line-height: 1.5;
        }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--color-card-border);
            margin-bottom: 28px;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            font-family: var(--font-heading);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo i { color: var(--color-fire-orange); }
        .logo span { color: var(--color-fire-orange); }

        .auth-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(14, 18, 23, 0.95);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            backdrop-filter: blur(8px);
        }

        .auth-card {
            background: var(--color-card-bg);
            border: 2px solid var(--color-accent-gold);
            border-radius: 16px;
            padding: 36px;
            max-width: 480px;
            width: 100%;
            text-align: center;
            box-shadow: 0 20px 50px rgba(0,0,0,0.6);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .metric-card {
            background: var(--color-card-bg);
            border: 1px solid var(--color-card-border);
            border-radius: 12px;
            padding: 22px;
            text-align: left;
            box-shadow: 0 6px 16px rgba(0,0,0,0.3);
            transition: transform 0.2s, border-color 0.2s;
        }

        .metric-card:hover {
            transform: translateY(-2px);
            border-color: rgba(255, 94, 0, 0.3);
        }

        .metric-title {
            font-size: 0.78rem;
            text-transform: uppercase;
            color: var(--color-text-sub);
            font-weight: 800;
            letter-spacing: 0.5px;
        }

        .metric-value {
            font-size: 1.85rem;
            font-weight: 900;
            color: #fff;
            margin-top: 6px;
            font-family: monospace;
        }

        .module-section {
            background: var(--color-card-bg);
            border: 1px solid var(--color-card-border);
            border-radius: 14px;
            padding: 26px;
            margin-bottom: 30px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        }

        .module-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--color-fire-orange);
            text-transform: uppercase;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
        }

        .table-responsive {
            overflow-x: auto;
            border-radius: 10px;
            border: 1px solid var(--color-card-border);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.88rem;
            text-align: left;
        }

        th {
            background-color: #0d1117;
            padding: 14px;
            border-bottom: 1px solid var(--color-card-border);
            color: var(--color-text-sub);
            font-size: 0.75rem;
            text-transform: uppercase;
            font-weight: 800;
        }

        td {
            padding: 14px;
            border-bottom: 1px solid var(--color-card-border);
        }

        tbody tr:nth-child(even) {
            background-color: rgba(255, 255, 255, 0.02);
        }

        .btn-action {
            padding: 8px 14px;
            border-radius: 8px;
            border: none;
            font-weight: 800;
            font-size: 0.78rem;
            cursor: pointer;
            text-transform: uppercase;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-danger { background-color: var(--color-danger-red); color: #fff; }
        .btn-danger:hover { background-color: #dc2626; }
        .btn-success { background-color: var(--color-success-green); color: #fff; }
        .btn-success:hover { background-color: #059669; }
        .btn-gold { background-color: var(--color-accent-gold); color: #111; font-weight: 900; }
        .btn-gold:hover { background-color: #e6c200; }

        input, select {
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--color-card-border);
            background: #0d1117;
            color: #fff;
            font-size: 0.9rem;
            font-family: var(--font-body);
        }

        input:focus, select:focus {
            outline: none;
            border-color: var(--color-fire-orange);
        }