diff --git a/app/Filament/Widgets/TrendLineChart.php b/app/Filament/Widgets/TrendLineChart.php
new file mode 100644
index 0000000..fdc772b
--- /dev/null
+++ b/app/Filament/Widgets/TrendLineChart.php
@@ -0,0 +1,206 @@
+<?php
+
+namespace App\Filament\Widgets;
+
+use App\Models\MfmReading;
+use Carbon\Carbon;
+use Filament\Widgets\ChartWidget;
+
+class TrendLineChart extends ChartWidget
+{
+    protected static ?string $heading = 'Trend Line Analysis';
+
+    protected static ?string $maxHeight = '420px';
+
+    protected int|string|array $columnSpan = 12;
+
+    protected function getData(): array
+    {
+        $fromDatetime = session('from_datetime');
+        $toDatetime = session('to_datetime');
+        $selectedPlant = session('selected_plant');
+        $meterId = session('selected_meter');
+        $parameter = session('parameter');
+
+        if (empty($fromDatetime) || empty($toDatetime) || empty($selectedPlant) || empty($meterId) || empty($parameter)) {
+            return [
+                'labels' => [],
+                'datasets' => [],
+            ];
+        }
+
+        $fromDateTime = Carbon::parse($fromDatetime);
+        $toDateTime = Carbon::parse($toDatetime);
+
+        if ($fromDateTime->gt($toDateTime) || $fromDateTime->gt(now()) || $toDateTime->gt(now())) {
+            return [
+                'labels' => [],
+                'datasets' => [],
+            ];
+        }
+
+        $durationHours = $fromDateTime->diffInHours($toDateTime);
+        if ($durationHours < 1 || $durationHours > 24) {
+            return [
+                'labels' => [],
+                'datasets' => [],
+            ];
+        }
+
+        $intervalCount = $durationHours > 12 ? 12 : 10;
+        $intervalMinutes = $durationHours > 12 ? 120 : floor(($durationHours * 60) / $intervalCount);
+
+        $labels = [];
+        $columnMap = [];
+        $datasetColors = [];
+        $dataSeries = [];
+
+        // Determine columns and labels based on selected parameter
+        switch ($parameter) {
+            case 'Phase Voltage':
+                $columnMap = [
+                    'voltage_ry' => 'Voltage RY Max',
+                    'voltage_yb' => 'Voltage YB Max',
+                    'voltage_br' => 'Voltage BR Max',
+                    'frequency' => 'Frequency Max',
+                ];
+                $datasetColors = [
+                    'voltage_ry' => 'rgba(255, 99, 132, 1)',    // red
+                    'voltage_yb' => 'rgba(54, 162, 235, 1)',    // blue
+                    'voltage_br' => 'rgba(255, 206, 86, 1)',    // yellow
+                    'frequency'   => 'rgba(75, 192, 192, 1)',    // teal
+                ];
+                break;
+
+            case 'Line Voltage':
+                $columnMap = [
+                    'voltage_r_n' => 'Voltage R-N Max',
+                    'voltage_y_n' => 'Voltage Y-N Max',
+                    'voltage_b_n' => 'Voltage B-N Max',
+                    'frequency'   => 'Frequency Max',
+                ];
+                $datasetColors = [
+                    'voltage_r_n' => 'rgba(153, 102, 255, 1)',  // purple
+                    'voltage_y_n' => 'rgba(255, 159, 64, 1)',   // orange
+                    'voltage_b_n' => 'rgba(0, 200, 83, 1)',     // green
+                    'frequency'   => 'rgba(75, 192, 192, 1)',   // teal
+                ];
+                break;
+            case 'Current':
+                $columnMap = [
+                    'current_r' => 'Current R Max',
+                    'current_y' => 'Current Y Max',
+                    'current_b' => 'Current B Max',
+                    'current_n'   => 'Current N Max ',
+                ];
+                $datasetColors = [
+                    'current_r' => 'rgba(153, 102, 255, 1)',  // purple
+                    'current_y' => 'rgba(255, 159, 64, 1)',   // orange
+                    'current_b' => 'rgba(0, 200, 83, 1)',     // green
+                    'current_n'   => 'rgba(75, 192, 192, 1)',   // teal
+                ];
+                break;
+
+            case 'Active Power':
+                $columnMap = [
+                    'active_power_r' => 'Active Pow R Max',
+                    'active_power_y' => 'Active Pow Y Max',
+                    'active_power_b' => 'Active Pow B Max',
+                    'active_power_total'   => 'Active Pow Tot Max ',
+                ];
+                $datasetColors = [
+                    'active_power_r' => 'rgba(153, 102, 255, 1)',  // purple
+                    'active_power_y' => 'rgba(255, 159, 64, 1)',   // orange
+                    'active_power_b' => 'rgba(0, 200, 83, 1)',     // green
+                    'active_power_total'   => 'rgba(75, 192, 192, 1)',   // teal
+                ];
+                break;
+
+            case 'Power Factor':
+                $columnMap = [
+                    'power_factor_r' => 'Power Fac R Max',
+                    'power_factor_y' => 'Power Fac Y Max',
+                    'power_factor_b' => 'Power Fac B Max',
+                    'power_factor_total'   => 'Power Fac Tot Max ',
+                ];
+                $datasetColors = [
+                    'power_factor_r' => 'rgba(153, 102, 255, 1)',  // purple
+                    'power_factor_y' => 'rgba(255, 159, 64, 1)',   // orange
+                    'power_factor_b' => 'rgba(0, 200, 83, 1)',     // green
+                    'power_factor_total'   => 'rgba(75, 192, 192, 1)',   // teal
+                ];
+                break;
+
+            case 'Units':
+                $columnMap = [
+                    'apparent_energy_received' => 'AppEneRec Max',
+                    'reactive_energy_received' => 'ReacEneRec Max',
+                    'active_energy_received' => 'ActiveEneRec Max',
+                ];
+                $datasetColors = [
+                    'apparent_energy_received' => 'rgba(153, 102, 255, 1)',  // purple
+                    'reactive_energy_received' => 'rgba(255, 159, 64, 1)',   // orange
+                    'active_energy_received' => 'rgba(0, 200, 83, 1)',     // green
+                ];
+                break;
+
+            default:
+                return [
+                    'labels' => [],
+                    'datasets' => [],
+                ];
+        }
+
+        // Initialize empty arrays for each data series
+        foreach ($columnMap as $column => $label) {
+            $dataSeries[$column] = [];
+        }
+
+        $current = $fromDateTime->copy();
+        while ($current < $toDateTime) {
+            $next = $current->copy()->addMinutes($intervalMinutes);
+
+            $selectParts = [];
+            foreach ($columnMap as $column => $label) {
+                $selectParts[] = "MAX({$column}::double precision) as {$column}";
+            }
+
+            $readings = MfmReading::where('mfm_meter_id', $meterId)
+                ->whereBetween('created_at', [$current, $next])
+                ->selectRaw(implode(', ', $selectParts))
+                ->first();
+
+            $labels[] = $current->format('H:i');
+
+            foreach ($columnMap as $column => $label) {
+                $dataSeries[$column][] = round($readings->{$column} ?? 0, 2);
+            }
+
+            $current = $next;
+        }
+
+        // Construct dataset array
+        $datasets = [];
+        foreach ($columnMap as $column => $label) {
+            $datasets[] = [
+                'label' => $label,
+                'data' => $dataSeries[$column],
+                'borderColor' => $datasetColors[$column],
+                'backgroundColor' => str_replace('1)', '0.2)', $datasetColors[$column]),
+                'fill' => false,
+                'tension' => 0.1,
+            ];
+        }
+
+        return [
+            'labels' => $labels,
+            'datasets' => $datasets,
+        ];
+    }
+
+
+    protected function getType(): string
+    {
+        return 'line';
+    }
+}