diff --git a/src/features/history-chart/chartTypes.ts b/src/features/history-chart/chartTypes.ts
index dd02491..ec9d243 100644
--- a/src/features/history-chart/chartTypes.ts
+++ b/src/features/history-chart/chartTypes.ts
@@ -1,6 +1,7 @@
 export type AvgPointValue = [time: number, avg: number, min: number, max: number, count: number];
 
 export type TooltipParam = {
+  color?: string;
   marker?: string;
   seriesName?: string;
   value?: unknown;
diff --git a/src/features/history-chart/historyChartFormat.ts b/src/features/history-chart/historyChartFormat.ts
index a86bfa0..aeb4a74 100644
--- a/src/features/history-chart/historyChartFormat.ts
+++ b/src/features/history-chart/historyChartFormat.ts
@@ -89,7 +89,7 @@ export function formatTooltip(params: unknown): string {
     const value = item.value as AvgPointValue;
     return [
       '<div class="chart-tooltip-row">',
-      `<span>${item.marker ?? ''}${item.seriesName ?? ''}</span>`,
+      `<span class="chart-tooltip-label" style="--chart-tooltip-marker-color:${item.color ?? 'currentColor'};">${item.seriesName ?? ''}</span>`,
       '<strong>',
       `min ${formatChartValue(value[2])} · avg ${formatChartValue(value[1])} · max ${formatChartValue(value[3])}`,
       value[4] > 1 ? ` · ${value[4]} точек` : '',
diff --git a/src/features/history-chart/historyChartOptions.ts b/src/features/history-chart/historyChartOptions.ts
index 0ff826c..8a29bcd 100644
--- a/src/features/history-chart/historyChartOptions.ts
+++ b/src/features/history-chart/historyChartOptions.ts
@@ -45,6 +45,9 @@ export function createHistoryChartOptions({
     legend: {
       type: 'scroll',
       top: 0,
+      icon: 'rect',
+      itemWidth: 18,
+      itemHeight: 3,
       data: legendData,
       textStyle: { color: '#cbd5e1' },
     },
diff --git a/src/features/history-chart/historyChartSeries.ts b/src/features/history-chart/historyChartSeries.ts
index 9637aab..325e82c 100644
--- a/src/features/history-chart/historyChartSeries.ts
+++ b/src/features/history-chart/historyChartSeries.ts
@@ -93,7 +93,11 @@ export function createSeriesOptions(points: HistoryPoint[], index: number, label
         color,
       },
       emphasis: {
-        focus: 'series',
+        disabled: true,
+        lineStyle: {
+          width: 1.8,
+          color,
+        },
       },
       z: 3,
     },
diff --git a/src/styles/charts.css b/src/styles/charts.css
index 66bcfc2..46f8a77 100644
--- a/src/styles/charts.css
+++ b/src/styles/charts.css
@@ -36,7 +36,7 @@
   margin-top: 5px;
 }
 
-.chart-tooltip-row span {
+.chart-tooltip-label {
   min-width: 0;
   overflow: hidden;
   color: #cbd5e1;
@@ -44,6 +44,16 @@
   white-space: nowrap;
 }
 
+.chart-tooltip-label::before {
+  content: '';
+  display: inline-block;
+  width: 18px;
+  height: 3px;
+  margin-right: 6px;
+  vertical-align: middle;
+  background: var(--chart-tooltip-marker-color, currentColor);
+}
+
 .chart-tooltip-row strong {
   color: #f8fafc;
   font-variant-numeric: tabular-nums;