diff --git a/src/components/BMDashboard/WeeklyProjectSummary/Financials/CostVarianceTrendGraph.jsx b/src/components/BMDashboard/WeeklyProjectSummary/Financials/CostVarianceTrendGraph.jsx
new file mode 100644
index 0000000000..82a9133a23
--- /dev/null
+++ b/src/components/BMDashboard/WeeklyProjectSummary/Financials/CostVarianceTrendGraph.jsx
@@ -0,0 +1,393 @@
+import { useState, useEffect, useMemo } from 'react';
+import PropTypes from 'prop-types';
+import {
+  BarChart,
+  Bar,
+  XAxis,
+  YAxis,
+  ResponsiveContainer,
+  Tooltip,
+  Cell,
+  ReferenceLine,
+} from 'recharts';
+import moment from 'moment';
+import DatePicker from 'react-datepicker';
+import 'react-datepicker/dist/react-datepicker.css';
+import Select from 'react-select';
+import { useSelector } from 'react-redux';
+import styles from './CostVarianceTrendGraph.module.css';
+
+const MOCK_RAW_DATA = [
+  ['Project A', 'Plumbing', 1000, 1200, '2026-05-01'],
+  ['Project A', 'Electrical', 1500, 1300, '2026-05-02'],
+  ['Project B', 'Plumbing', 1100, 1050, '2026-05-03'],
+  ['Project B', 'Structural', 2200, 2150, '2026-05-04'],
+  ['Project C', 'Mechanical', 1300, 1800, '2026-05-05'],
+  ['Project A', 'Structural', 900, 1400, '2026-05-08'],
+  ['Project B', 'Electrical', 2000, 1600, '2026-05-09'],
+  ['Project C', 'Plumbing', 800, 750, '2026-05-10'],
+  ['Project A', 'Mechanical', 2500, 2400, '2026-05-11'],
+  ['Project C', 'Electrical', 1800, 2100, '2026-05-12'],
+  ['Project B', 'Structural', 3000, 3500, '2026-05-15'],
+  ['Project B', 'Mechanical', 1500, 1400, '2026-05-16'],
+  ['Project A', 'Plumbing', 1200, 1100, '2026-05-17'],
+  ['Project C', 'Structural', 4000, 4200, '2026-05-18'],
+  ['Project A', 'Electrical', 1700, 1650, '2026-05-19'],
+  ['Project B', 'Plumbing', 1300, 1100, '2026-05-22'],
+  ['Project C', 'Mechanical', 2100, 2500, '2026-05-23'],
+  ['Project A', 'Structural', 2800, 2800, '2026-05-24'],
+  ['Project B', 'Electrical', 1900, 1750, '2026-05-25'],
+  ['Project C', 'Plumbing', 1500, 1600, '2026-05-26'],
+];
+
+const MOCK_DB = MOCK_RAW_DATA.map(([projectId, category, plannedCost, actualCost, date]) => ({
+  projectId,
+  category,
+  plannedCost,
+  actualCost,
+  date,
+}));
+
+const aggregateTrendData = (data, projectFilter, categoryFilter, dateRange) => {
+  if (!Array.isArray(data)) return [];
+
+  const filtered = data.filter(entry => {
+    const entryDate = moment(entry.date);
+    if (dateRange.startDate && entryDate.isBefore(moment(dateRange.startDate).startOf('day')))
+      return false;
+    if (dateRange.endDate && entryDate.isAfter(moment(dateRange.endDate).endOf('day')))
+      return false;
+    if (projectFilter !== 'ALL' && entry.projectId !== projectFilter) return false;
+    if (categoryFilter !== 'ALL' && entry.category !== categoryFilter) return false;
+    return true;
+  });
+
+  const groupedByDate = {};
+  filtered.forEach(entry => {
+    const key = entry.date;
+    if (!groupedByDate[key]) {
+      groupedByDate[key] = { date: key, planned: 0, actual: 0 };
+    }
+    groupedByDate[key].planned += entry.plannedCost;
+    groupedByDate[key].actual += entry.actualCost;
+  });
+
+  return Object.values(groupedByDate)
+    .map(item => ({ ...item, variance: item.actual - item.planned }))
+    .sort((a, b) => new Date(a.date) - new Date(b.date));
+};
+
+const getOptionBackgroundColor = (darkMode, isSelected, isFocused) => {
+  if (isSelected && darkMode) return '#e8a71c';
+  if (isSelected && !darkMode) return '#0d55b3';
+  if (isFocused && darkMode) return '#3a506b';
+  if (isFocused && !darkMode) return '#f0f0f0';
+  return darkMode ? '#253342' : '#fff';
+};
+
+const getOptionColor = (darkMode, isSelected) => {
+  if (isSelected) return darkMode ? '#000' : '#fff';
+  return darkMode ? '#ffffff' : '#000';
+};
+
+const generateSelectStyles = darkMode => {
+  const bgMain = darkMode ? '#253342' : '#fff';
+  const borderMain = darkMode ? '#2d4059' : '#ccc';
+  const textMain = darkMode ? '#ffffff' : '#000';
+  const textMuted = darkMode ? '#94a3b8' : '#999';
+
+  return {
+    control: base => ({
+      ...base,
+      minHeight: '38px',
+      width: '100%',
+      fontSize: '13px',
+      backgroundColor: bgMain,
+      borderColor: borderMain,
+      color: textMain,
+      boxShadow: 'none',
+      borderRadius: '6px',
+      '&:hover': { borderColor: borderMain },
+    }),
+    valueContainer: base => ({ ...base, padding: '2px 8px', color: textMain }),
+    input: base => ({ ...base, margin: '0px', padding: '0px', color: textMain }),
+    indicatorSeparator: base => ({ ...base, backgroundColor: borderMain }),
+    dropdownIndicator: base => ({
+      ...base,
+      color: textMuted,
+      padding: '4px',
+      ':hover': { color: textMain },
+    }),
+    singleValue: base => ({ ...base, color: textMain, fontSize: '13px' }),
+    menu: base => ({
+      ...base,
+      backgroundColor: bgMain,
+      border: `1px solid ${borderMain}`,
+      borderRadius: '6px',
+      boxShadow: '0 4px 12px rgba(0, 0, 0, 0.15)',
+      zIndex: 9999,
+    }),
+    menuList: base => ({ ...base, backgroundColor: bgMain, borderRadius: '6px' }),
+    option: (base, state) => ({
+      ...base,
+      backgroundColor: getOptionBackgroundColor(darkMode, state.isSelected, state.isFocused),
+      color: getOptionColor(darkMode, state.isSelected),
+      cursor: 'pointer',
+      padding: '8px 12px',
+      fontSize: '13px',
+      ':active': { backgroundColor: darkMode ? '#3a506b' : '#e0e0e0' },
+    }),
+  };
+};
+
+const CustomTooltip = ({ active, payload, label, darkMode }) => {
+  if (!active || !payload?.length) return null;
+
+  const chartData = payload[0].payload;
+  const isOverBudget = chartData.variance > 0;
+
+  let varianceClass = '';
+  if (isOverBudget) {
+    varianceClass = darkMode ? styles.varianceOverDark : styles.varianceOverLight;
+  } else {
+    varianceClass = darkMode ? styles.varianceUnderDark : styles.varianceUnderLight;
+  }
+
+  return (
+    <div
+      style={{
+        backgroundColor: darkMode ? '#1e293b' : '#ffffff',
+        border: darkMode ? '1px solid #334155' : '1px solid #e2e8f0',
+        color: darkMode ? '#f8fafc' : '#0f172a',
+        padding: '12px',
+        fontSize: '12px',
+        borderRadius: '6px',
+        boxShadow: '0 4px 12px rgba(0,0,0,0.15)',
+      }}
+    >
+      <div
+        style={{
+          fontWeight: 'bold',
+          margin: '0 0 8px 0',
+          paddingBottom: '6px',
+          borderBottom: darkMode ? '1px solid #334155' : '1px solid #e2e8f0',
+          color: darkMode ? '#94a3b8' : '#64748b',
+        }}
+      >
+        Date: {moment(label).format('MMM DD, YYYY')}
+      </div>
+      <div style={{ margin: '0 0 4px 0' }}>
+        Planned: <strong>${chartData.planned.toLocaleString()}</strong>
+      </div>
+      <div style={{ margin: '0 0 4px 0' }}>
+        Actual: <strong>${chartData.actual.toLocaleString()}</strong>
+      </div>
+      <div className={varianceClass} style={{ margin: '8px 0 0 0', fontWeight: 'bold' }}>
+        Variance: {chartData.variance > 0 ? '+' : ''}${chartData.variance.toLocaleString()}
+      </div>
+    </div>
+  );
+};
+
+CustomTooltip.propTypes = {
+  active: PropTypes.bool,
+  payload: PropTypes.array,
+  label: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
+  darkMode: PropTypes.bool,
+};
+
+const formatTickDate = val => moment(val).format('MMM DD');
+const formatTickValue = value => `$${value}`;
+
+const buildDropdownOptions = (data, key) => {
+  const uniqueValues = [...new Set(data.map(item => item[key]))];
+  return [{ label: 'ALL', value: 'ALL' }, ...uniqueValues.map(val => ({ label: val, value: val }))];
+};
+
+const getSelectedOption = (options, value) => options.find(option => option.value === value);
+
+const getCellColor = (variance, darkMode) => {
+  if (variance > 0) return darkMode ? '#ff4444' : '#e74c3c';
+  return darkMode ? '#4ade80' : '#2ecc71';
+};
+
+export default function CostVarianceTrendGraph() {
+  const [initialLoading, setInitialLoading] = useState(true);
+  const [data, setData] = useState([]);
+
+  const darkMode = useSelector(state => state.theme.darkMode);
+  const textColor = darkMode ? '#ffffff' : '#666';
+
+  const [projectId, setProjectId] = useState('ALL');
+  const [categoryFilter, setCategoryFilter] = useState('ALL');
+  const [dateRange, setDateRange] = useState({ startDate: null, endDate: null });
+
+  useEffect(() => {
+    const timer = setTimeout(() => {
+      setData(MOCK_DB);
+      setInitialLoading(false);
+    }, 300);
+    return () => clearTimeout(timer);
+  }, []);
+
+  const chartData = useMemo(() => aggregateTrendData(data, projectId, categoryFilter, dateRange), [
+    data,
+    projectId,
+    categoryFilter,
+    dateRange,
+  ]);
+
+  const projectOptions = useMemo(() => buildDropdownOptions(data, 'projectId'), [data]);
+  const categoryOptions = useMemo(() => buildDropdownOptions(data, 'category'), [data]);
+
+  const selectStyles = useMemo(() => generateSelectStyles(darkMode), [darkMode]);
+
+  const handleStartDateChange = date => setDateRange(prev => ({ ...prev, startDate: date }));
+  const handleEndDateChange = date => setDateRange(prev => ({ ...prev, endDate: date }));
+
+  const handleProjectChange = selected => setProjectId(selected ? selected.value : 'ALL');
+  const handleCategoryChange = selected => setCategoryFilter(selected ? selected.value : 'ALL');
+
+  const selectedProject = getSelectedOption(projectOptions, projectId);
+  const selectedCategory = getSelectedOption(categoryOptions, categoryFilter);
+
+  const containerClass = `${styles.varianceContainer} ${darkMode ? styles.darkMode : ''}`;
+  const dateInputClass = `${styles.dateInput} ${darkMode ? styles.darkDateInput : ''}`;
+  const calendarClass = darkMode ? 'paid-labor-cost-dark-calendar' : '';
+  const tooltipCursorFill = darkMode ? 'rgba(255,255,255,0.05)' : 'rgba(0,0,0,0.05)';
+
+  if (initialLoading) {
+    return (
+      <div className={styles.varianceContainer}>
+        <h4 className={styles.varianceTitle}>Cost Variance Trend</h4>
+        <div className={styles.varianceLoading}>Loading trend data...</div>
+      </div>
+    );
+  }
+
+  return (
+    <div className={containerClass}>
+      <h4 className={styles.varianceTitle}>Cost Variance Trend</h4>
+
+      <div className={styles.filtersGrid}>
+        <div className={styles.filterGroup}>
+          <div className={styles.filterLabel}>Project</div>
+          <Select
+            inputId="trend-project-filter"
+            options={projectOptions}
+            value={selectedProject}
+            onChange={handleProjectChange}
+            isClearable={false}
+            classNamePrefix="select"
+            styles={selectStyles}
+          />
+        </div>
+        <div className={styles.filterGroup}>
+          <div className={styles.filterLabel}>Category</div>
+          <Select
+            inputId="trend-category-filter"
+            options={categoryOptions}
+            value={selectedCategory}
+            onChange={handleCategoryChange}
+            isClearable={false}
+            classNamePrefix="select"
+            styles={selectStyles}
+          />
+        </div>
+        <div className={styles.filterGroup}>
+          <div className={styles.filterLabel}>Date Range</div>
+          <div className={styles.dateRangeFlex}>
+            <div className={styles.datePickerWrapper}>
+              <DatePicker
+                selected={dateRange.startDate}
+                onChange={handleStartDateChange}
+                selectsStart
+                startDate={dateRange.startDate}
+                endDate={dateRange.endDate}
+                maxDate={dateRange.endDate || new Date()}
+                placeholderText="Start Date"
+                isClearable
+                dateFormat="MM/dd/yyyy"
+                aria-label="Start Date"
+                className={dateInputClass}
+                calendarClassName={calendarClass}
+              />
+            </div>
+            <span className={styles.dateSeparator}> to </span>
+            <div className={styles.datePickerWrapper}>
+              <DatePicker
+                selected={dateRange.endDate}
+                onChange={handleEndDateChange}
+                selectsEnd
+                startDate={dateRange.startDate}
+                endDate={dateRange.endDate}
+                minDate={dateRange.startDate}
+                maxDate={new Date()}
+                placeholderText="End Date"
+                isClearable
+                dateFormat="MM/dd/yyyy"
+                aria-label="End Date"
+                className={dateInputClass}
+                calendarClassName={calendarClass}
+              />
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div className={styles.legendContainer}>
+        <span className={styles.legendItem}>
+          <span
+            className={styles.legendDot}
+            style={{ backgroundColor: darkMode ? '#ff4444' : '#e74c3c' }}
+          />
+          <span>Over Budget Risk (+ Variance)</span>
+        </span>
+        <span className={styles.legendItem}>
+          <span
+            className={styles.legendDot}
+            style={{ backgroundColor: darkMode ? '#4ade80' : '#2ecc71' }}
+          />
+          <span>Budget Savings (- Variance)</span>
+        </span>
+      </div>
+
+      <div className={styles.chartWrapper}>
+        <div className={styles.chartContainer}>
+          {chartData.length === 0 ? (
+            <div className={styles.emptyState}>No data available for the selected filters.</div>
+          ) : (
+            <ResponsiveContainer width="100%" height="100%">
+              <BarChart data={chartData} margin={{ top: 20, right: 10, left: 10, bottom: 20 }}>
+                <XAxis
+                  dataKey="date"
+                  stroke={darkMode ? '#475569' : '#94a3b8'}
+                  tick={{ fontSize: 11, fill: textColor }}
+                  tickFormatter={formatTickDate}
+                />
+                <YAxis
+                  stroke={darkMode ? '#475569' : '#94a3b8'}
+                  tick={{ fontSize: 11, fill: textColor }}
+                  tickFormatter={formatTickValue}
+                />
+                <Tooltip
+                  content={<CustomTooltip darkMode={darkMode} />}
+                  cursor={{ fill: tooltipCursorFill }}
+                />
+                <ReferenceLine y={0} stroke={darkMode ? '#64748b' : '#94a3b8'} />
+                <Bar dataKey="variance" radius={[4, 4, 4, 4]}>
+                  {chartData.map(entry => (
+                    <Cell
+                      key={`cell-${entry.date}`}
+                      fill={getCellColor(entry.variance, darkMode)}
+                    />
+                  ))}
+                </Bar>
+              </BarChart>
+            </ResponsiveContainer>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/src/components/BMDashboard/WeeklyProjectSummary/Financials/CostVarianceTrendGraph.module.css b/src/components/BMDashboard/WeeklyProjectSummary/Financials/CostVarianceTrendGraph.module.css
new file mode 100644
index 0000000000..d7f4d28260
--- /dev/null
+++ b/src/components/BMDashboard/WeeklyProjectSummary/Financials/CostVarianceTrendGraph.module.css
@@ -0,0 +1,180 @@
+.varianceContainer {
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+}
+
+.varianceTitle {
+  text-align: center;
+  margin-bottom: 24px;
+  font-weight: 700;
+  color: #1e293b;
+}
+
+.darkMode .varianceTitle {
+  color: #f8fafc;
+}
+
+.varianceLoading {
+  text-align: center;
+  padding: 40px;
+  font-weight: 500;
+  color: #64748b;
+}
+
+.darkMode .varianceLoading {
+  color: #94a3b8;
+}
+
+.filtersGrid {
+  display: grid;
+  grid-template-columns: 1fr 1fr 2.5fr; 
+  gap: 16px;
+  margin-bottom: 24px;
+  width: 100%;
+}
+
+@media (max-width: 900px) {
+  .filtersGrid {
+    grid-template-columns: 1fr; 
+  }
+}
+
+.filterGroup {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.filterLabel {
+  font-size: 13px;
+  font-weight: 600;
+  color: #334155;
+}
+
+.darkMode .filterLabel {
+  color: #cbd5e1;
+}
+
+.dateRangeFlex {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 12px;
+  width: 100%;
+}
+
+.datePickerWrapper {
+  flex: 1;
+  width: 100%;
+  min-width: 0;
+}
+
+.datePickerWrapper > div {
+  width: 100%;
+}
+
+.dateInput {
+  width: 100%;
+  padding: 8px 30px 8px 12px;
+  border-radius: 6px;
+  border: 1px solid #ccc;
+  font-size: 13px;
+  box-sizing: border-box;
+  height: 38px;
+  outline: none;
+}
+
+.dateInput:focus {
+  border-color: #4285F4;
+}
+
+.darkDateInput {
+  background-color: #253342;
+  color: #fff;
+  border-color: #2d4059;
+  color-scheme: dark;
+}
+
+.darkDateInput:focus {
+  border-color: #3a506b;
+}
+
+.dateSeparator {
+  flex: 0 0 auto;
+  font-size: 13px;
+  font-weight: 500;
+  color: #64748b;
+  text-align: center;
+}
+
+.darkMode .dateSeparator {
+  color: #94a3b8;
+}
+
+.chartWrapper {
+  width: 100%;
+  min-height: 350px;
+  margin-bottom: 12px;
+  flex-grow: 1;
+}
+
+.chartContainer {
+  height: 100%;
+  width: 100%;
+  position: relative;
+}
+
+.emptyState {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  height: 100%;
+  color: #64748b;
+  font-style: italic;
+  font-size: 14px;
+  background-color: #f8f9fa;
+  border-radius: 8px;
+  border: 1px dashed #cbd5e1;
+}
+
+.darkMode .emptyState {
+  color: #94a3b8;
+  background-color: #1e293b;
+  border-color: #334155;
+}
+
+.legendContainer {
+  display: flex;
+  justify-content: center;
+  gap: 24px;
+  font-size: 13px;
+  font-weight: 500;
+  margin-bottom: 16px;
+  color: #334155;
+  flex-wrap: wrap;
+}
+
+.darkMode .legendContainer {
+  color: #cbd5e1;
+}
+
+.legendItem {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.legendDot {
+  width: 12px;
+  height: 12px;
+  border-radius: 50%;
+  display: inline-block;
+}
+
+.varianceOverLight { color: #e74c3c !important; }
+.varianceOverDark { color: #ff4444 !important; }
+
+.varianceUnderLight { color: #2ecc71 !important; }
+.varianceUnderDark { color: #4ade80 !important; }
\ No newline at end of file
diff --git a/src/components/BMDashboard/WeeklyProjectSummary/WeeklyProjectSummary.jsx b/src/components/BMDashboard/WeeklyProjectSummary/WeeklyProjectSummary.jsx
index 68108ad932..0d0681c9c4 100644
--- a/src/components/BMDashboard/WeeklyProjectSummary/WeeklyProjectSummary.jsx
+++ b/src/components/BMDashboard/WeeklyProjectSummary/WeeklyProjectSummary.jsx
@@ -17,6 +17,7 @@ import IssuesBreakdownChart from './IssuesBreakdownChart';
 import InjuryCategoryBarChart from './GroupedBarGraphInjurySeverity/InjuryCategoryBarChart';
 import ToolsHorizontalBarChart from './Tools/ToolsHorizontalBarChart';
 import ExpenseBarChart from './Financials/ExpenseBarChart';
+import CostVarianceTrendGraph from './Financials/CostVarianceTrendGraph';
 import CostBreakDown from './Financials/CostBreakDown/CostBreakDown';
 import ActualVsPlannedCost from './ActualVsPlannedCost/ActualVsPlannedCost';
 import TotalMaterialCostPerProject from './TotalMaterialCostPerProject/TotalMaterialCostPerProject';
@@ -351,12 +352,45 @@ function WeeklyProjectSummary() {
         key: 'Financials',
         className: 'large',
         content: (
-          <div style={{ display: 'grid', gridTemplateColumns: 'repeat(2, 1fr)', gap: '10px' }}>
-            <div className="weekly-project-summary-card financial-small">📊 Card</div>
-            <div className="weekly-project-summary-card financial-small financial-chart">
-              <ExpenseBarChart />
+          <div
+            style={{
+              display: 'grid',
+              gridTemplateColumns: 'repeat(2, 1fr)',
+              gap: '15px',
+              width: '100%',
+            }}
+          >
+            {/* Top Left: Planned vs Actual Cost */}
+            <div
+              className="weekly-project-summary-card financial-small financial-chart"
+              style={{
+                width: '100%',
+                minHeight: '550px',
+                display: 'flex',
+                flexDirection: 'column',
+              }}
+            >
+              <ExpenseBarChart darkMode={darkMode} />
             </div>
-            <div className="weekly-project-summary-card financial-big">
+
+            {/* Top Right: Cost Variance Trend */}
+            <div
+              className="weekly-project-summary-card financial-small financial-chart"
+              style={{
+                width: '100%',
+                minHeight: '550px',
+                display: 'flex',
+                flexDirection: 'column',
+              }}
+            >
+              <CostVarianceTrendGraph darkMode={darkMode} />
+            </div>
+
+            {/* Bottom: Cost Breakdown Pie Chart (Spans across both columns) */}
+            <div
+              className="weekly-project-summary-card financial-big"
+              style={{ gridColumn: 'span 2', width: '100%', minHeight: '400px' }}
+            >
               <CostBreakDown />
             </div>
           </div>