.dashboard-nav {
            text-align: center;
            margin-bottom: 1.5rem;
        }

        .dashboard-nav a {
            margin: 0 0.35rem;
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
            margin: 24px 0;
        }

        .kpi-card {
            background-color: #f4f4f4;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 14px 16px;
            transition: background-color 0.3s, border-color 0.3s;
        }

        .kpi-card dt {
            color: #666;
            font-size: 0.85em;
            margin-bottom: 6px;
        }

        .kpi-card dd {
            margin: 0;
            color: #333;
            font-size: 1.35em;
            font-weight: 700;
        }

        .kpi-card .subtle {
            display: block;
            margin-top: 5px;
            color: #777;
            font-size: 0.8em;
            font-weight: 400;
        }

        .dashboard-note {
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid #ddd;
            background-color: #f4f4f4;
            color: #555;
            font-size: 0.9em;
            margin: 18px 0;
        }

        .source-ok {
            color: #28a745;
            font-weight: 600;
        }

        .source-warn {
            color: #dc3545;
            font-weight: 600;
        }

        .chart-card {
            background-color: #f4f4f4;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 16px;
            margin: 24px 0;
            overflow-x: auto;
            transition: background-color 0.3s, border-color 0.3s;
        }

        .traffic-chart {
            width: 100%;
            min-width: 640px;
            height: 280px;
            display: block;
        }

        .chart-axis,
        .chart-label {
            fill: #666;
            font-size: 11px;
        }

        .chart-grid {
            stroke: #ddd;
            stroke-width: 1;
        }

        .chart-bar {
            fill: #007bff;
        }

        .chart-bar-current {
            fill: #66aaff;
        }

        .dashboard-table-wrap {
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin: 24px 0;
        }

        .dashboard-table {
            border-collapse: collapse;
            width: 100%;
            background-color: #f4f4f4;
            border: 1px solid #ddd;
            border-radius: 8px;
            overflow: hidden;
            font-size: 0.95em;
        }

        .dashboard-table th,
        .dashboard-table td {
            padding: 10px 12px;
            text-align: left;
            border-bottom: 1px solid #ddd;
            white-space: nowrap;
        }

        .dashboard-table th {
            background-color: #eeeeee;
            color: #333;
            font-weight: 600;
        }

        .dashboard-table td {
            color: #333;
        }

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

        .muted {
            color: #777;
            font-size: 0.9em;
        }

        .loading {
            opacity: 0.75;
        }

        @media (max-width: 760px) {
            .kpi-grid {
                grid-template-columns: 1fr;
            }

            .traffic-chart {
                min-width: 560px;
            }
        }

        @media (prefers-color-scheme: dark) {
            .kpi-card,
            .dashboard-note,
            .chart-card,
            .dashboard-table {
                background-color: #2a2a2a;
                border-color: #444;
            }

            .kpi-card dt,
            .kpi-card .subtle,
            .muted,
            .chart-axis,
            .chart-label {
                color: #cccccc;
                fill: #cccccc;
            }

            .kpi-card dd,
            .dashboard-table td {
                color: #f0f0f0;
            }

            .dashboard-table th {
                background-color: #242424;
                color: #f0f0f0;
            }

            .dashboard-table td,
            .dashboard-table th {
                border-bottom-color: #444;
            }

            .chart-grid {
                stroke: #444;
            }

            .chart-bar {
                fill: #66aaff;
            }

            .chart-bar-current {
                fill: #9cc8ff;
            }

            .dashboard-note {
                color: #cccccc;
            }
        }