diff --git a/meshview/templates/stats.html b/meshview/templates/stats.html
index d544073..b246d11 100644
--- a/meshview/templates/stats.html
+++ b/meshview/templates/stats.html
@@ -1,330 +1,375 @@
 {% extends "base.html" %}
 
 {% block css %}
-    #packet_details {
-        height: 95vh;
-        overflow: auto;
-    }
+#packet_details {
+    height: 95vh;
+    overflow: auto;
+}
 
-    .main-container, .container {
-        max-width: 900px;
-        margin: 0 auto;
-        text-align: center;
-    }
+.main-container, .container {
+    max-width: 900px;
+    margin: 0 auto;
+    text-align: center;
+}
 
-    .card-section {
-        background-color: #272b2f;
-        border: 1px solid #474b4e;
-        padding: 15px 20px;
-        margin-bottom: 20px;
-        border-radius: 10px;
-        transition: background-color 0.2s ease;
-    }
+.card-section {
+    background-color: #272b2f;
+    border: 1px solid #474b4e;
+    padding: 15px 20px;
+    margin-bottom: 20px;
+    border-radius: 10px;
+    transition: background-color 0.2s ease;
+}
 
-    .card-section:hover {
-        background-color: #2f3338;
-    }
+.card-section:hover {
+    background-color: #2f3338;
+}
 
-    .section-header {
-        font-size: 16px;
-        margin: 0 0 6px 0;
-        font-weight: 500;
-        color: #fff;
-    }
+.section-header {
+    font-size: 16px;
+    margin: 0 0 6px 0;
+    font-weight: 500;
+    color: #fff;
+}
 
-    .main-header {
-        font-size: 22px;
-        margin-bottom: 20px;
-        font-weight: 600;
-    }
+.main-header {
+    font-size: 22px;
+    margin-bottom: 20px;
+    font-weight: 600;
+}
 
-    .chart {
-        height: 400px;
-        margin-top: 10px;
-    }
+.chart {
+    height: 400px;
+    margin-top: 10px;
+}
 
-    .total-count {
-        color: #ccc;
-        font-size: 14px;
-        margin-bottom: 8px;
-    }
+.total-count {
+    color: #ccc;
+    font-size: 14px;
+    margin-bottom: 8px;
+}
+
+.expand-btn, .export-btn {
+    margin-bottom: 8px;
+    padding: 4px 8px;
+    cursor: pointer;
+    background-color: #444;
+    color: #fff;
+    border: none;
+    border-radius: 4px;
+    font-size: 12px;
+}
+
+.expand-btn:hover { background-color: #666; }
+.export-btn:hover { background-color: #777; }
 {% endblock %}
 
 {% block head %}
-    <script src="https://cdn.jsdelivr.net/npm/echarts@5.5.0/dist/echarts.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/echarts@5.5.0/dist/echarts.min.js"></script>
 {% endblock %}
 
 {% block body %}
 <div class="main-container">
     <h2 class="main-header">Mesh Statistics - Hourly Packet Counts (Last 24 Hours)</h2>
 
-    <!-- Daily packets chart moved to top -->
+    {# Daily Charts #}
     <div class="card-section">
         <p class="section-header">Packets per Day - All Ports (Last 14 Days)</p>
         <div id="total_daily_all" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_daily_all">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_daily_all">Export CSV</button>
         <div id="chart_daily_all" class="chart"></div>
     </div>
 
-    <!-- Daily packets - Text Messages -->
     <div class="card-section">
         <p class="section-header">Packets per Day - Text Messages (Port 1, Last 14 Days)</p>
         <div id="total_daily_portnum_1" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_daily_portnum_1">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_daily_portnum_1">Export CSV</button>
         <div id="chart_daily_portnum_1" class="chart"></div>
     </div>
 
-    <!-- Overall hourly packets -->
+    {# Hourly Charts #}
     <div class="card-section">
         <p class="section-header">Packets per Hour - All Ports</p>
         <div id="total_hourly_all" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_hourly_all">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_hourly_all">Export CSV</button>
         <div id="chart_hourly_all" class="chart"></div>
     </div>
 
-    <!-- Hourly charts by portnum -->
     <div class="card-section">
         <p class="section-header">Packets per Hour - Text Messages (Port 1)</p>
         <div id="total_portnum_1" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_portnum_1">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_portnum_1">Export CSV</button>
         <div id="chart_portnum_1" class="chart"></div>
     </div>
 
     <div class="card-section">
         <p class="section-header">Packets per Hour - Position (Port 3)</p>
         <div id="total_portnum_3" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_portnum_3">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_portnum_3">Export CSV</button>
         <div id="chart_portnum_3" class="chart"></div>
     </div>
 
     <div class="card-section">
         <p class="section-header">Packets per Hour - Node Info (Port 4)</p>
         <div id="total_portnum_4" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_portnum_4">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_portnum_4">Export CSV</button>
         <div id="chart_portnum_4" class="chart"></div>
     </div>
 
     <div class="card-section">
         <p class="section-header">Packets per Hour - Telemetry (Port 67)</p>
         <div id="total_portnum_67" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_portnum_67">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_portnum_67">Export CSV</button>
         <div id="chart_portnum_67" class="chart"></div>
     </div>
 
     <div class="card-section">
         <p class="section-header">Packets per Hour - Traceroute (Port 70)</p>
         <div id="total_portnum_70" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_portnum_70">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_portnum_70">Export CSV</button>
         <div id="chart_portnum_70" class="chart"></div>
     </div>
 
     <div class="card-section">
         <p class="section-header">Packets per Hour - Neighbor Info (Port 71)</p>
         <div id="total_portnum_71" class="total-count">Total: 0</div>
+        <button class="expand-btn" data-chart="chart_portnum_71">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_portnum_71">Export CSV</button>
         <div id="chart_portnum_71" class="chart"></div>
     </div>
 
-    <!-- Hardware breakdown -->
+    {# Node breakdown charts #}
     <div class="card-section">
         <p class="section-header">Hardware Breakdown</p>
+        <button class="expand-btn" data-chart="chart_hw_model">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_hw_model">Export CSV</button>
         <div id="chart_hw_model" class="chart"></div>
     </div>
 
-    <!-- Role breakdown -->
     <div class="card-section">
         <p class="section-header">Role Breakdown</p>
+        <button class="expand-btn" data-chart="chart_role">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_role">Export CSV</button>
         <div id="chart_role" class="chart"></div>
     </div>
 
-    <!-- Channel breakdown -->
     <div class="card-section">
         <p class="section-header">Channel Breakdown</p>
+        <button class="expand-btn" data-chart="chart_channel">Expand Chart</button>
+        <button class="export-btn" data-chart="chart_channel">Export CSV</button>
         <div id="chart_channel" class="chart"></div>
     </div>
 </div>
 
+{# Modal for expanded charts #}
+<div id="chartModal" style="display:none; position:fixed; top:0; left:0; width:100%; height:100%;
+    background:rgba(0,0,0,0.7); z-index:1000; justify-content:center; align-items:center;">
+    <div style="position:relative; width:80%; max-width:1000px; height:80%;
+        background:#272b2f; border-radius:10px; padding:10px; display:flex; flex-direction:column;">
+
+        <button id="closeModal" style="position:absolute; top:10px; right:10px; z-index:1010;
+            background:#ff4c4c; border:none; color:white; font-size:24px; width:36px; height:36px;
+            border-radius:50%; cursor:pointer;">&times;</button>
+        <div id="modalChart" style="flex:1; width:100%; height:100%;"></div>
+    </div>
+</div>
+
 <script>
-    async function fetchStats(period_type, length, portnum = null) {
-        try {
-            let url = `/api/stats?period_type=${period_type}&length=${length}`;
-            if (portnum !== null) {
-                url += `&portnum=${portnum}`;
-            }
-            const res = await fetch(url);
-            if (!res.ok) {
-                console.error(`Failed to fetch ${period_type} stats portnum ${portnum}:`, res.status, res.statusText);
-                return [];
-            }
-            const json = await res.json();
-            return json.data || [];
-        } catch (err) {
-            console.error('Error fetching stats:', err);
-            return [];
-        }
-    }
+// --- Fetch & Processing ---
+async function fetchStats(period_type,length,portnum=null){
+    try{
+        let url=`/api/stats?period_type=${period_type}&length=${length}`;
+        if(portnum!==null) url+=`&portnum=${portnum}`;
+        const res=await fetch(url);
+        if(!res.ok) return [];
+        const json=await res.json();
+        return json.data||[];
+    }catch{return [];}
+}
 
-    async function fetchNodes() {
-        try {
-            const res = await fetch("/api/nodes");
-            if (!res.ok) {
-                console.error("Failed to fetch nodes:", res.status, res.statusText);
-                return [];
-            }
-            const json = await res.json();
-            return json.nodes || [];
-        } catch (err) {
-            console.error("Error fetching nodes:", err);
-            return [];
-        }
-    }
+async function fetchNodes(){
+    try{
+        const res=await fetch("/api/nodes");
+        const json=await res.json();
+        return json.nodes||[];
+    }catch{return [];}
+}
 
-    function processCountField(nodes, field) {
-        const counts = {};
-        nodes.forEach(n => {
-            const key = n[field] || "Unknown";
-            counts[key] = (counts[key] || 0) + 1;
-        });
-        return Object.entries(counts).map(([name, value]) => ({ name, value }));
-    }
-
-    function updateTotalCount(domId, data) {
-        const el = document.getElementById(domId);
-        if (!el || !data.length) return;
-        const total = data.reduce((acc, d) => acc + (d.count ?? d.packet_count ?? 0), 0);
-        el.textContent = `Total: ${total.toLocaleString()}`;
-    }
-
-    // Chart variables
-    let chartHourlyAll, chartPortnum1, chartPortnum3, chartPortnum4, chartPortnum67, chartPortnum70, chartPortnum71;
-    let chartDailyAll, chartDailyPortnum1;
-    let chartHwModel, chartRole, chartChannel;
-
-    // Utility function for top N + "Other"
-    function prepareTopN(data, n = 20) {
-        data.sort((a, b) => b.value - a.value);
-        let top = data.slice(0, n);
-        if (data.length > n) {
-            const otherValue = data.slice(n).reduce((sum, item) => sum + item.value, 0);
-            top.push({ name: "Other", value: otherValue });
-        }
-        return top;
-    }
-
-    function renderChart(domId, data, type, color, isHourly) {
-        const el = document.getElementById(domId);
-        if (!el) return;
-        const chart = echarts.init(el);
-        switch(domId) {
-            case 'chart_hourly_all': chartHourlyAll = chart; break;
-            case 'chart_portnum_1': chartPortnum1 = chart; break;
-            case 'chart_portnum_3': chartPortnum3 = chart; break;
-            case 'chart_portnum_4': chartPortnum4 = chart; break;
-            case 'chart_portnum_67': chartPortnum67 = chart; break;
-            case 'chart_portnum_70': chartPortnum70 = chart; break;
-            case 'chart_portnum_71': chartPortnum71 = chart; break;
-            case 'chart_daily_all': chartDailyAll = chart; break;
-            case 'chart_daily_portnum_1': chartDailyPortnum1 = chart; break;
-        }
-
-        const periods = data.map(d => {
-            const p = (d && (d.period || d.period === 0)) ? d.period.toString() : '';
-            if (isHourly) {
-                if (p.includes(' ')) return p.split(' ')[1];
-                return p.slice(-5) || p;
-            }
-            return p;
-        });
-
-        const counts = data.map(d => (d.count ?? d.packet_count ?? 0));
-
-        const option = {
-            backgroundColor: '#272b2f',
-            tooltip: { trigger: 'axis' },
-            grid: { left: '6%', right: '6%', bottom: '18%' },
-            xAxis: {
-                type: 'category',
-                data: periods,
-                axisLine: { lineStyle: { color: '#aaa' } },
-                axisLabel: { rotate: 45, color: '#ccc' }
-            },
-            yAxis: {
-                type: 'value',
-                axisLine: { lineStyle: { color: '#aaa' } },
-                axisLabel: { color: '#ccc' }
-            },
-            series: [{
-                data: counts,
-                type: type,
-                smooth: type === 'line',
-                itemStyle: { color: color },
-                areaStyle: type === 'line' ? {} : undefined
-            }]
-        };
-
-        chart.setOption(option);
-    }
-
-    function renderPieChart(elId, data, name) {
-        const el = document.getElementById(elId);
-        if (!el) return;
-        const chart = echarts.init(el);
-
-        const top20 = prepareTopN(data, 20);
-
-        const option = {
-            backgroundColor: "#272b2f",
-            tooltip: { trigger: "item", formatter: "{b}: {d}% ({c})" },
-            series: [
-                {
-                    name: name,
-                    type: "pie",
-                    radius: ["30%", "70%"],
-                    center: ["50%", "50%"],
-                    avoidLabelOverlap: true,
-                    itemStyle: { borderRadius: 6, borderColor: "#272b2f", borderWidth: 2 },
-                    label: { show: true, formatter: "{b}\n{d}%", color: "#ccc", fontSize: 10 },
-                    labelLine: { show: true, length: 10, length2: 6 },
-                    data: top20
-                }
-            ]
-        };
-
-        chart.setOption(option);
-        return chart;
-    }
-
-    async function init() {
-        // Daily all ports
-        const dailyAllData = await fetchStats('day', 14);
-        updateTotalCount('total_daily_all', dailyAllData);
-        renderChart('chart_daily_all', dailyAllData, 'line', '#66bb6a', false);
-
-        // Daily text packets (port 1) as BAR chart
-        const dailyPort1Data = await fetchStats('day', 14, 1);
-        updateTotalCount('total_daily_portnum_1', dailyPort1Data);
-        renderChart('chart_daily_portnum_1', dailyPort1Data, 'bar', '#ff5722', false);
-
-        // Hourly all ports
-        const hourlyAllData = await fetchStats('hour', 24);
-        updateTotalCount('total_hourly_all', hourlyAllData);
-        renderChart('chart_hourly_all', hourlyAllData, 'bar', '#03dac6', true);
-
-        // Hourly by port
-        const portnums = [1, 3, 4, 67, 70, 71];
-        const colors = ['#ff5722', '#2196f3', '#9c27b0', '#ffeb3b', '#795548', '#4caf50'];
-        const domIds = ['chart_portnum_1','chart_portnum_3','chart_portnum_4','chart_portnum_67','chart_portnum_70','chart_portnum_71'];
-        const totalIds = ['total_portnum_1','total_portnum_3','total_portnum_4','total_portnum_67','total_portnum_70','total_portnum_71'];
-
-        const allData = await Promise.all(portnums.map(pn => fetchStats('hour', 24, pn)));
-        for (let i = 0; i < portnums.length; i++) {
-            updateTotalCount(totalIds[i], allData[i]);
-            renderChart(domIds[i], allData[i], 'bar', colors[i], true);
-        }
-
-        // Nodes breakdown charts
-        const nodes = await fetchNodes();
-        renderPieChart("chart_hw_model", processCountField(nodes, "hw_model"), "Hardware");
-        renderPieChart("chart_role", processCountField(nodes, "role"), "Role");
-        renderPieChart("chart_channel", processCountField(nodes, "channel"), "Channel");
-    }
-
-    window.addEventListener('resize', () => {
-        [chartHourlyAll, chartPortnum1, chartPortnum3, chartPortnum4, chartPortnum67, chartPortnum70, chartPortnum71, chartDailyAll, chartDailyPortnum1, chartHwModel, chartRole, chartChannel]
-        .forEach(c => c?.resize());
+function processCountField(nodes,field){
+    const counts={};
+    nodes.forEach(n=>{
+        const key=n[field]||"Unknown";
+        counts[key]=(counts[key]||0)+1;
     });
+    return Object.entries(counts).map(([name,value])=>({name,value}));
+}
 
-    init();
+function updateTotalCount(domId,data){
+    const el=document.getElementById(domId);
+    if(!el||!data.length) return;
+    const total=data.reduce((acc,d)=>acc+(d.count??d.packet_count??0),0);
+    el.textContent=`Total: ${total.toLocaleString()}`;
+}
+
+function prepareTopN(data,n=20){
+    data.sort((a,b)=>b.value-a.value);
+    let top=data.slice(0,n);
+    if(data.length>n){
+        const otherValue=data.slice(n).reduce((sum,item)=>sum+item.value,0);
+        top.push({name:"Other", value:otherValue});
+    }
+    return top;
+}
+
+// --- Chart Rendering ---
+function renderChart(domId,data,type,color,isHourly){
+    const el=document.getElementById(domId);
+    if(!el) return;
+    const chart=echarts.init(el);
+    const periods=data.map(d=>(d.period??d.period===0)?d.period.toString():'');
+    const counts=data.map(d=>d.count??d.packet_count??0);
+    const option={
+        backgroundColor:'#272b2f',
+        tooltip:{trigger:'axis'},
+        grid:{left:'6%', right:'6%', bottom:'18%'},
+        xAxis:{type:'category', data:periods, axisLine:{lineStyle:{color:'#aaa'}}, axisLabel:{rotate:45,color:'#ccc'}},
+        yAxis:{type:'value', axisLine:{lineStyle:{color:'#aaa'}}, axisLabel:{color:'#ccc'}},
+        series:[{data:counts,type:type,smooth:type==='line',itemStyle:{color:color}, areaStyle:type==='line'?{}:undefined}]
+    };
+    chart.setOption(option);
+    return chart;
+}
+
+function renderPieChart(elId,data,name){
+    const el=document.getElementById(elId);
+    if(!el) return;
+    const chart=echarts.init(el);
+    const top20=prepareTopN(data,20);
+    const option={
+        backgroundColor:"#272b2f",
+        tooltip:{trigger:"item", formatter: params=>`${params.name}: ${Math.round(params.percent)}% (${params.value})`},
+        series:[{
+            name:name, type:"pie", radius:["30%","70%"], center:["50%","50%"],
+            avoidLabelOverlap:true,
+            itemStyle:{borderRadius:6,borderColor:"#272b2f",borderWidth:2},
+            label:{show:true,formatter:"{b}\n{d}%", color:"#ccc", fontSize:10},
+            labelLine:{show:true,length:10,length2:6},
+            data:top20
+        }]
+    };
+    chart.setOption(option);
+    return chart;
+}
+
+// --- Init ---
+let chartHourlyAll, chartPortnum1, chartPortnum3, chartPortnum4, chartPortnum67, chartPortnum70, chartPortnum71;
+let chartDailyAll, chartDailyPortnum1;
+let chartHwModel, chartRole, chartChannel;
+
+async function init(){
+    const dailyAllData=await fetchStats('day',14);
+    updateTotalCount('total_daily_all',dailyAllData);
+    chartDailyAll=renderChart('chart_daily_all',dailyAllData,'line','#66bb6a',false);
+
+    const dailyPort1Data=await fetchStats('day',14,1);
+    updateTotalCount('total_daily_portnum_1',dailyPort1Data);
+    chartDailyPortnum1=renderChart('chart_daily_portnum_1',dailyPort1Data,'bar','#ff5722',false);
+
+    const hourlyAllData=await fetchStats('hour',24);
+    updateTotalCount('total_hourly_all',hourlyAllData);
+    chartHourlyAll=renderChart('chart_hourly_all',hourlyAllData,'bar','#03dac6',true);
+
+    const portnums=[1,3,4,67,70,71];
+    const colors=['#ff5722','#2196f3','#9c27b0','#ffeb3b','#795548','#4caf50'];
+    const domIds=['chart_portnum_1','chart_portnum_3','chart_portnum_4','chart_portnum_67','chart_portnum_70','chart_portnum_71'];
+    const totalIds=['total_portnum_1','total_portnum_3','total_portnum_4','total_portnum_67','total_portnum_70','total_portnum_71'];
+    const allData=await Promise.all(portnums.map(pn=>fetchStats('hour',24,pn)));
+    for(let i=0;i<portnums.length;i++){
+        updateTotalCount(totalIds[i],allData[i]);
+        window['chartPortnum'+portnums[i]]=renderChart(domIds[i],allData[i],'bar',colors[i],true);
+    }
+
+    const nodes=await fetchNodes();
+    chartHwModel=renderPieChart("chart_hw_model",processCountField(nodes,"hw_model"),"Hardware");
+    chartRole=renderPieChart("chart_role",processCountField(nodes,"role"),"Role");
+    chartChannel=renderPieChart("chart_channel",processCountField(nodes,"channel"),"Channel");
+}
+
+// --- Resize ---
+window.addEventListener('resize',()=>{
+    [chartHourlyAll,chartPortnum1,chartPortnum3,chartPortnum4,chartPortnum67,chartPortnum70,chartPortnum71,
+     chartDailyAll,chartDailyPortnum1,chartHwModel,chartRole,chartChannel].forEach(c=>c?.resize());
+});
+
+// --- Modal ---
+const modal=document.getElementById("chartModal");
+const modalChartEl=document.getElementById("modalChart");
+let modalChart=null;
+
+document.querySelectorAll(".expand-btn").forEach(btn=>{
+    btn.addEventListener("click",()=>{
+        const chartId=btn.getAttribute("data-chart");
+        const chartInstance=echarts.getInstanceByDom(document.getElementById(chartId));
+        if(!chartInstance) return;
+        const chartData=chartInstance.getOption();
+        modal.style.display="flex";
+        if(modalChart) modalChart.dispose();
+        modalChart=echarts.init(modalChartEl);
+        modalChart.setOption(chartData);
+        modalChart.resize();
+    });
+});
+
+document.getElementById("closeModal").addEventListener("click",()=>{
+    modal.style.display="none";
+    if(modalChart) modalChart.dispose();
+});
+
+// --- CSV Export ---
+function downloadCSV(filename,rows){
+    const csvContent=rows.map(e=>e.join(",")).join("\n");
+    const blob=new Blob([csvContent],{type:"text/csv;charset=utf-8;"});
+    const link=document.createElement("a");
+    link.href=URL.createObjectURL(blob);
+    link.setAttribute("download",filename);
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+}
+
+document.querySelectorAll(".export-btn").forEach(btn=>{
+    btn.addEventListener("click",()=>{
+        const chartId=btn.getAttribute("data-chart");
+        const chart=echarts.getInstanceByDom(document.getElementById(chartId));
+        if(!chart) return;
+        const option=chart.getOption();
+        let rows=[];
+        if(option.series[0].type==="bar"||option.series[0].type==="line"){
+            const xData=option.xAxis[0].data;
+            const yData=option.series[0].data;
+            rows.push(["Period","Count"]);
+            for(let i=0;i<xData.length;i++) rows.push([xData[i],yData[i]]);
+        }
+        if(option.series[0].type==="pie"){
+            rows.push(["Name","Value","Percentage"]);
+            const total=option.series[0].data.reduce((sum,d)=>sum+d.value,0);
+            option.series[0].data.forEach(d=>{
+                const percent=Math.round((d.value/total)*100);
+                rows.push([d.name,d.value,percent+"%"]);
+            });
+        }
+        downloadCSV(chartId+".csv",rows);
+    });
+});
+
+init();
 </script>
 {% endblock %}