diff --git a/java-api/src/main/resources/dashboard.html b/java-api/src/main/resources/dashboard.html
index cd60731..d6c0fe9 100644
--- a/java-api/src/main/resources/dashboard.html
+++ b/java-api/src/main/resources/dashboard.html
@@ -184,12 +184,8 @@
                 </select>
             </div>
             <div class="filter-group" style="grid-column: 4;">
-                <label for="dateFrom">Od:</label>
-                <input type="datetime-local" id="dateFrom">
-            </div>
-            <div class="filter-group" style="grid-column: 5;">
-                <label for="dateTo">Do:</label>
-                <input type="datetime-local" id="dateTo">
+                <label for="selectedDate">Den:</label>
+                <input type="date" id="selectedDate">
             </div>
             <div class="filter-buttons">
                 <button onclick="applyFilters()">Použít filtry</button>
@@ -220,28 +216,16 @@
 
         <div class="charts-grid">
             <div class="chart-container">
-                <h3>Stav procesů</h3>
+                <h3>Doba procesů vs. čas bez nalezených procesů</h3>
                 <div class="chart-wrapper">
-                    <canvas id="statusChart"></canvas>
-                </div>
-            </div>
-            <div class="chart-container">
-                <h3>Stavy podle strojů</h3>
-                <div class="chart-wrapper">
-                    <canvas id="machineChart"></canvas>
-                </div>
-            </div>
-            <div class="chart-container" style="grid-column: 1 / -1;">
-                <h3>Dostupnost v čase</h3>
-                <div class="chart-wrapper" style="height: 400px;">
-                    <canvas id="timelineChart"></canvas>
+                    <canvas id="processTimeChart"></canvas>
                 </div>
             </div>
         </div>
     </div>
 
     <script>
-        let statusChart, machineChart, timelineChart;
+        let processTimeChart;
         const apiKey = '%API_KEY%';
 
         function normalizeStatus(status) {
@@ -284,9 +268,7 @@
                 });
 
                 const now = new Date();
-                const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
-                document.getElementById('dateTo').value = now.toISOString().slice(0, 16);
-                document.getElementById('dateFrom').value = sevenDaysAgo.toISOString().slice(0, 16);
+                document.getElementById('selectedDate').value = now.toISOString().slice(0, 10);
 
                 applyFilters();
             } catch (error) {
@@ -300,8 +282,7 @@
                 const machine = document.getElementById('machine').value;
                 const process = document.getElementById('process').value;
                 const status = document.getElementById('status').value;
-                const dateFrom = document.getElementById('dateFrom').value;
-                const dateTo = document.getElementById('dateTo').value;
+                const selectedDate = document.getElementById('selectedDate').value;
 
                 const params = new URLSearchParams();
                 params.append('type', 'stats');
@@ -309,8 +290,12 @@
                 if (machine) params.append('machine', machine);
                 if (process) params.append('process', process);
                 if (status) params.append('status', status);
-                if (dateFrom) params.append('from', new Date(dateFrom).toISOString());
-                if (dateTo) params.append('to', new Date(dateTo).toISOString());
+                if (selectedDate) {
+                    const from = selectedDate + 'T00:00:00Z';
+                    const to = selectedDate + 'T23:59:59Z';
+                    params.append('from', from);
+                    params.append('to', to);
+                }
 
                 const response = await axios.get('/hb/api/data?' + params.toString());
                 const data = response.data;
@@ -337,21 +322,62 @@
         function updateCharts(data) {
             const records = data.records;
 
-            const statusCounts = {};
-            records.forEach(r => {
-                const normalized = normalizeStatus(r.status);
-                statusCounts[normalized] = (statusCounts[normalized] || 0) + 1;
+            // Agregace času podle procesů
+            const processTimeMap = {};
+
+            // Seřadit záznamy podle procesu a času
+            const sortedRecords = records.sort((a, b) => 
+                new Date(a.detected_at) - new Date(b.detected_at)
+            );
+
+            // Seskupit podle procesu a spočítat časy
+            const processByName = {};
+            sortedRecords.forEach(r => {
+                const processName = r.process_name || '(bez procesu)';
+                if (!processByName[processName]) {
+                    processByName[processName] = [];
+                }
+                processByName[processName].push(r);
             });
 
-            if (statusChart) statusChart.destroy();
-            const statusCtx = document.getElementById('statusChart').getContext('2d');
-            statusChart = new Chart(statusCtx, {
+            // Spočítat čas běhu pro každý proces
+            Object.keys(processByName).forEach(processName => {
+                const records = processByName[processName];
+                let totalTimeMs = 0;
+
+                for (let i = 0; i < records.length - 1; i++) {
+                    const current = new Date(records[i].detected_at);
+                    const next = new Date(records[i + 1].detected_at);
+                    totalTimeMs += (next - current);
+                }
+
+                // Převést na minuty
+                const totalMinutes = Math.round(totalTimeMs / 60000);
+                processTimeMap[processName] = totalMinutes;
+            });
+
+            if (processTimeChart) processTimeChart.destroy();
+            const processTimeCtx = document.getElementById('processTimeChart').getContext('2d');
+            
+            // Příprava labels s časy
+            const labels = Object.keys(processTimeMap).map(processName => {
+                const minutes = processTimeMap[processName];
+                const hours = Math.floor(minutes / 60);
+                const mins = minutes % 60;
+                const timeStr = hours > 0 ? `${hours}h ${mins}m` : `${mins}m`;
+                return `${processName} (${timeStr})`;
+            });
+            
+            processTimeChart = new Chart(processTimeCtx, {
                 type: 'doughnut',
                 data: {
-                    labels: Object.keys(statusCounts),
+                    labels: labels,
                     datasets: [{
-                        data: Object.values(statusCounts),
-                        backgroundColor: ['#4CAF50', '#FF6B6B'],
+                        data: Object.values(processTimeMap),
+                        backgroundColor: [
+                            '#FF6B6B', '#4ECDC4', '#45B7D1', '#FFA07A', '#98D8C8',
+                            '#F7DC6F', '#BB8FCE', '#85C1E2', '#F8B88B', '#ABEBC6'
+                        ],
                         borderColor: '#fff',
                         borderWidth: 2
                     }]
@@ -360,90 +386,21 @@
                     responsive: true,
                     maintainAspectRatio: false,
                     plugins: {
-                        legend: { position: 'bottom' }
-                    }
-                }
-            });
-
-            const statusByMachine = {};
-            records.forEach(r => {
-                const normalized = normalizeStatus(r.status);
-                if (!statusByMachine[r.machine_name]) {
-                    statusByMachine[r.machine_name] = { UP: 0, DOWN: 0 };
-                }
-                if (normalized === 'UP') {
-                    statusByMachine[r.machine_name].UP++;
-                } else if (normalized === 'DOWN') {
-                    statusByMachine[r.machine_name].DOWN++;
-                }
-            });
-
-            if (machineChart) machineChart.destroy();
-            const machineCtx = document.getElementById('machineChart').getContext('2d');
-            machineChart = new Chart(machineCtx, {
-                type: 'bar',
-                data: {
-                    labels: Object.keys(statusByMachine),
-                    datasets: [
-                        {
-                            label: 'UP',
-                            backgroundColor: '#4CAF50',
-                            data: Object.values(statusByMachine).map(s => s.UP)
-                        },
-                        {
-                            label: 'DOWN',
-                            backgroundColor: '#FF6B6B',
-                            data: Object.values(statusByMachine).map(s => s.DOWN)
+                        legend: { position: 'bottom' },
+                        tooltip: {
+                            callbacks: {
+                                label: function(context) {
+                                    const minutes = context.parsed;
+                                    const hours = Math.floor(minutes / 60);
+                                    const mins = minutes % 60;
+                                    if (hours > 0) {
+                                        return `${hours}h ${mins}m`;
+                                    } else {
+                                        return `${mins}m`;
+                                    }
+                                }
+                            }
                         }
-                    ]
-                },
-                options: {
-                    responsive: true,
-                    maintainAspectRatio: false,
-                    scales: {
-                        x: { stacked: true },
-                        y: { stacked: true }
-                    }
-                }
-            });
-
-            const sortedRecords = records.sort((a, b) => 
-                new Date(a.detected_at) - new Date(b.detected_at)
-            );
-
-            const timeLabels = sortedRecords.map(r => 
-                new Date(r.detected_at).toLocaleString('cs-CZ')
-            );
-            const upCounts = [];
-            let upCount = 0;
-            sortedRecords.forEach(r => {
-                if (normalizeStatus(r.status) === 'UP') upCount++;
-                upCounts.push(upCount);
-            });
-
-            if (timelineChart) timelineChart.destroy();
-            const timelineCtx = document.getElementById('timelineChart').getContext('2d');
-            timelineChart = new Chart(timelineCtx, {
-                type: 'line',
-                data: {
-                    labels: timeLabels,
-                    datasets: [{
-                        label: 'Procesy UP',
-                        borderColor: '#4CAF50',
-                        backgroundColor: 'rgba(76, 175, 80, 0.1)',
-                        data: upCounts,
-                        fill: true,
-                        tension: 0.4
-                    }]
-                },
-                options: {
-                    responsive: true,
-                    maintainAspectRatio: false,
-                    plugins: {
-                        legend: { position: 'bottom' }
-                    },
-                    scales: {
-                        y: { beginAtZero: true }
                     }
                 }
             });
@@ -453,6 +410,8 @@
             document.getElementById('machine').value = '';
             document.getElementById('process').value = '';
             document.getElementById('status').value = '';
+            const now = new Date();
+            document.getElementById('selectedDate').value = now.toISOString().slice(0, 10);
             applyFilters();
         }
 
@@ -470,6 +429,7 @@
         }
 
         window.addEventListener('load', loadFilters);
+        document.getElementById('selectedDate')?.addEventListener('change', applyFilters);
     </script>
 </body>
 </html>