diff --git a/assets/uploads/vouchers/699897e4ef39f-Screenshot_30.png b/assets/uploads/vouchers/699897e4ef39f-Screenshot_30.png
new file mode 100644
index 0000000..f9ea46b
Binary files /dev/null and b/assets/uploads/vouchers/699897e4ef39f-Screenshot_30.png differ
diff --git a/db/migrations/066_add_unique_index_to_liquidaciones.sql b/db/migrations/066_add_unique_index_to_liquidaciones.sql
new file mode 100644
index 0000000..68ad391
--- /dev/null
+++ b/db/migrations/066_add_unique_index_to_liquidaciones.sql
@@ -0,0 +1,2 @@
+-- Agrega un indice unico a la combinacion de fecha y provincia para asegurar que ON DUPLICATE KEY UPDATE funcione.
+ALTER TABLE `liquidaciones_provincia` ADD UNIQUE `fecha_provincia_unique`(`fecha`, `provincia`);
diff --git a/liquidaciones_provincia.php b/liquidaciones_provincia.php
index 809ba5c..e96b297 100644
--- a/liquidaciones_provincia.php
+++ b/liquidaciones_provincia.php
@@ -42,14 +42,21 @@ foreach ($data as $row) {
         z-index: 10;
         font-weight: 700;
     }
-    .table td[contenteditable="true"]:focus {
-        background-color: #fff3cd;
+    .editable-cell {
+        cursor: pointer;
+    }
+    .editable-cell input {
+        width: 100%;
+        box-sizing: border-box;
+        border: 1px solid #007bff;
+        font: inherit;
+        padding: 0.75rem;
     }
 </style>
 
 <div class="container-fluid mt-4">
     <h2>Liquidaciones Provincia</h2>
-    <p>Tabla de liquidaciones por provincia para el mes seleccionado.</p>
+    <p>Haz clic en una celda de "Monto" o "Estado" para editarla. Presiona "Enter" o haz clic fuera para guardar.</p>
 
     <form method="GET" action="liquidaciones_provincia.php" class="form-inline mb-4">
         <div class="form-group mr-2">
@@ -84,7 +91,7 @@ foreach ($data as $row) {
                     <?php endforeach; ?>
                 </tr>
             </thead>
-            <tbody>
+            <tbody id="liquidaciones-tbody">
                 <?php for ($day = 1; $day <= $days_in_month; $day++): ?>
                     <?php $date = date('Y-m-d', strtotime("$year-$month-$day")); ?>
                     <tr data-date="<?php echo $date; ?>">
@@ -94,8 +101,8 @@ foreach ($data as $row) {
                                 $monto = isset($liquidaciones[$date][$provincia]['monto']) ? number_format($liquidaciones[$date][$provincia]['monto'], 2, '.', '') : '0.00';
                                 $estado = isset($liquidaciones[$date][$provincia]['estado']) ? htmlspecialchars($liquidaciones[$date][$provincia]['estado']) : '';
                             ?>
-                            <td class="editable-cell" contenteditable="true" data-provincia="<?php echo htmlspecialchars($provincia); ?>" data-column="monto"><?php echo $monto; ?></td>
-                            <td class="editable-cell" contenteditable="true" data-provincia="<?php echo htmlspecialchars($provincia); ?>" data-column="estado"><?php echo $estado; ?></td>
+                            <td class="editable-cell" data-provincia="<?php echo htmlspecialchars($provincia); ?>" data-column="monto"><?php echo $monto; ?></td>
+                            <td class="editable-cell" data-provincia="<?php echo htmlspecialchars($provincia); ?>" data-column="estado"><?php echo $estado; ?></td>
                         <?php endforeach; ?>
                     </tr>
                 <?php endfor; ?>
@@ -115,7 +122,8 @@ foreach ($data as $row) {
 
 <script>
 document.addEventListener('DOMContentLoaded', function() {
-    const table = document.querySelector('.table');
+    const tableBody = document.getElementById('liquidaciones-tbody');
+    let activeInput = null;
 
     function calculateTotals() {
         const totals = {};
@@ -123,7 +131,7 @@ document.addEventListener('DOMContentLoaded', function() {
             totals['<?php echo $provincia; ?>'] = 0;
         <?php endforeach; ?>
 
-        table.querySelectorAll('tbody tr').forEach(row => {
+        tableBody.querySelectorAll('tr').forEach(row => {
             <?php foreach ($provincias as $provincia): ?>
                 const cell = row.querySelector(`td[data-provincia="<?php echo $provincia; ?>"][data-column="monto"]`);
                 if (cell) {
@@ -134,77 +142,116 @@ document.addEventListener('DOMContentLoaded', function() {
         });
 
         <?php foreach ($provincias as $provincia): ?>
-            const totalCell = table.querySelector(`tfoot th[data-total-column="<?php echo $provincia; ?>"]`);
+            const totalCell = document.querySelector(`tfoot th[data-total-column="<?php echo $provincia; ?>"]`);
             if (totalCell) {
-                totalCell.textContent = totals['<?php echo $provincia; ?>'].toFixed(2);
+                totalCell.textContent = totals['<?php echo $provincia; ?>'].toFixed(2).replace(/\B(?=(\d{3})+(?!\d))/g, ",");
             }
         <?php endforeach; ?>
     }
 
-    // Initial calculation
     calculateTotals();
 
-    table.addEventListener('keydown', function(e) {
-        if (e.key === 'Enter' && e.target.classList.contains('editable-cell')) {
-            e.preventDefault();
-            e.target.blur(); // Trigger blur to save
-        }
-    });
+    function turnCellIntoInput(cell) {
+        if (cell.querySelector('input')) return; // Already an input
 
-    table.addEventListener('blur', function(e) {
-        if (e.target.classList.contains('editable-cell')) {
-            const cell = e.target;
-            const row = cell.closest('tr');
-            const fecha = row.dataset.date;
-            const provincia = cell.dataset.provincia;
-            const columna = cell.dataset.column;
-            let valor = cell.textContent.trim();
+        const originalValue = cell.textContent.trim();
+        cell.setAttribute('data-original-value', originalValue);
+        cell.innerHTML = '';
 
-            if (columna === 'monto') {
-                let numValue = parseFloat(valor.replace(/,/g, ''));
-                if (isNaN(numValue)) {
-                    numValue = 0;
-                }
-                valor = numValue;
-                // Format back to 2 decimal places for display
-                cell.textContent = numValue.toFixed(2);
+        const input = document.createElement('input');
+        input.type = cell.dataset.column === 'monto' ? 'number' : 'text';
+        input.className = 'form-control form-control-sm';
+        input.value = originalValue;
+        
+        cell.appendChild(input);
+        input.focus();
+        activeInput = input;
+
+        input.addEventListener('blur', () => saveChanges(input));
+        input.addEventListener('keydown', (e) => {
+            if (e.key === 'Enter') {
+                e.preventDefault();
+                saveChanges(input);
+            } else if (e.key === 'Escape') {
+                const original = cell.getAttribute('data-original-value');
+                cell.innerHTML = original;
+                activeInput = null;
             }
-            
-            const data = { fecha, provincia, columna, valor };
+        });
+    }
 
-            fetch('save_liquidaciones_provincia.php', {
-                method: 'POST',
-                headers: { 'Content-Type': 'application/json' },
-                body: JSON.stringify(data)
-            })
-            .then(response => response.json())
-            .then(result => {
-                if (result.success) {
-                    if (columna === 'monto') {
-                        calculateTotals();
-                    }
-                } else {
-                    console.error('Failed to save:', result.message);
-                    // alert('Error al guardar el dato.'); // Optional: notify user
-                }
-            })
-            .catch(error => console.error('Error:', error));
-        }
-    }, true); // Use capturing to ensure blur event is handled reliably
+    function saveChanges(input) {
+        if (!input) return;
+        
+        const cell = input.parentElement;
+        const originalValue = cell.getAttribute('data-original-value');
+        const newValue = input.value.trim();
+        
+        activeInput = null;
+        cell.innerHTML = newValue; // Optimistic update
 
-    table.addEventListener('focus', function(e) {
-        if (e.target.classList.contains('editable-cell')) {
-            // Select all text in cell on focus
-            const selection = window.getSelection();
-            const range = document.createRange();
-            range.selectNodeContents(e.target);
-            selection.removeAllRanges();
-            selection.addRange(range);
+        if (newValue === originalValue) {
+            return; // No change
         }
-    }, true);
+
+        const row = cell.closest('tr');
+        const fecha = row.dataset.date;
+        const provincia = cell.dataset.provincia;
+        const columna = cell.dataset.column;
+
+        let finalValue = newValue;
+        if (columna === 'monto') {
+            let numValue = parseFloat(newValue.replace(/,/g, ''));
+            if (isNaN(numValue)) numValue = 0;
+            finalValue = numValue.toFixed(2);
+            cell.innerHTML = finalValue; // Show formatted value
+        }
+
+        const formData = new URLSearchParams();
+        formData.append('fecha', fecha);
+        formData.append('provincia', provincia);
+        formData.append('columna', columna);
+        formData.append('valor', finalValue);
+
+        fetch('save_liquidaciones_provincia.php', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+            body: formData
+        })
+        .then(response => response.json())
+        .then(result => {
+            if (result.success) {
+                if (columna === 'monto') calculateTotals();
+            } else {
+                alert('Error al guardar: ' + (result.message || 'Error desconocido'));
+                cell.innerHTML = originalValue; // Revert on failure
+                if (columna === 'monto') calculateTotals();
+            }
+        })
+        .catch(error => {
+            alert('Error de conexión. No se pudieron guardar los cambios.');
+            cell.innerHTML = originalValue; // Revert on failure
+            if (columna === 'monto') calculateTotals();
+        });
+    }
+
+    // --- Event Delegation ---
+    tableBody.addEventListener('click', function(e) {
+        const targetCell = e.target.closest('.editable-cell');
+
+        if (!targetCell) return;
+
+        // If we are clicking a cell but another one is being edited, save the other one first.
+        if (activeInput && activeInput.parentElement !== targetCell) {
+            saveChanges(activeInput);
+        }
+
+        // Now, turn the clicked cell into an input.
+        turnCellIntoInput(targetCell);
+    });
 });
 </script>
 
 <?php
 require_once 'layout_footer.php';
-?>
\ No newline at end of file
+?>
diff --git a/liquidaciones_provincia_new.php b/liquidaciones_provincia_new.php
new file mode 100644
index 0000000..a11b775
--- /dev/null
+++ b/liquidaciones_provincia_new.php
@@ -0,0 +1,271 @@
+<?php
+require_once 'layout_header.php';
+require_once 'db/config.php';
+
+// --- Data Fetching (identical to old file) ---
+$month = isset($_GET['month']) ? $_GET['month'] : date('m');
+$year = isset($_GET['year']) ? $_GET['year'] : date('Y');
+$days_in_month = cal_days_in_month(CAL_GREGORIAN, $month, $year);
+$provincias = ['LIMA', 'AREQUIPA', 'TRUJILLO', 'ICA', 'CUSCO', 'CAJAMARCA', 'CHICLAYO', 'PIURA'];
+
+$pdo = db();
+$stmt = $pdo->prepare("SELECT fecha, provincia, monto, estado FROM liquidaciones_provincia WHERE MONTH(fecha) = ? AND YEAR(fecha) = ?");
+$stmt->execute([$month, $year]);
+$data = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+$liquidaciones = [];
+foreach ($data as $row) {
+    $liquidaciones[$row['fecha']][$row['provincia']] = [
+        'monto' => $row['monto'],
+        'estado' => $row['estado']
+    ];
+}
+?>
+
+<!-- --- STYLES (simplified) --- -->
+<style>
+    .table thead th {
+        background-color: #337ab7;
+        color: #ffffff;
+        position: sticky;
+        top: 0;
+        z-index: 10;
+    }
+    .table tfoot th {
+        position: sticky;
+        bottom: 0;
+        background-color: #f2f2f2;
+        z-index: 10;
+        font-weight: bold;
+    }
+    .editable-cell {
+        cursor: pointer;
+    }
+    /* Simple highlight for editable cells on hover */
+    .editable-cell:hover {
+        background-color: #f5f5f5;
+    }
+    /* Style for the input field when editing */
+    .editable-cell input {
+        width: 100%;
+        box-sizing: border-box;
+        border: 2px solid #007bff;
+        border-radius: 4px;
+        padding: 5px;
+        font-family: inherit;
+        font-size: inherit;
+    }
+</style>
+
+<!-- --- HTML Structure (identical to old file) --- -->
+<div class="container-fluid mt-4">
+    <h2>Liquidaciones Provincia (Nueva Versión)</h2>
+    <p>Haz <strong>un solo clic</strong> en una celda de "Monto" o "Estado" para editarla. Presiona "Enter" o haz clic fuera para guardar.</p>
+
+    <form method="GET" action="liquidaciones_provincia_new.php" class="form-inline mb-4">
+        <div class="form-group mr-2">
+            <label for="month" class="mr-2">Mes:</label>
+            <select name="month" id="month" class="form-control">
+                <?php for ($m = 1; $m <= 12; $m++): ?>
+                    <option value="<?php echo str_pad($m, 2, '0', STR_PAD_LEFT); ?>" <?php echo $m == $month ? 'selected' : ''; ?>>
+                        <?php echo DateTime::createFromFormat('!m', $m)->format('F'); ?>
+                    </option>
+                <?php endfor; ?>
+            </select>
+        </div>
+        <div class="form-group mr-2">
+            <label for="year" class="mr-2">Año:</label>
+            <select name="year" id="year" class="form-control">
+                <?php for ($y = date('Y'); $y >= date('Y') - 5; $y--): ?>
+                    <option value="<?php echo $y; ?>" <?php echo $y == $year ? 'selected' : ''; ?>><?php echo $y; ?></option>
+                <?php endfor; ?>
+            </select>
+        </div>
+        <button type="submit" class="btn btn-primary">Filtrar</button>
+    </form>
+
+    <div class="table-responsive" style="max-height: 75vh;">
+        <table class="table table-bordered table-striped table-hover">
+            <thead>
+                <tr>
+                    <th>Fecha</th>
+                    <?php foreach ($provincias as $provincia): ?>
+                        <th><?php echo htmlspecialchars($provincia); ?></th>
+                        <th>ESTADO</th>
+                    <?php endforeach; ?>
+                </tr>
+            </thead>
+            <tbody id="liquidaciones-tbody">
+                <?php for ($day = 1; $day <= $days_in_month; $day++): ?>
+                    <?php $date = date('Y-m-d', strtotime("$year-$month-$day")); ?>
+                    <tr data-date="<?php echo $date; ?>">
+                        <td><?php echo $date; ?></td>
+                        <?php foreach ($provincias as $provincia): ?>
+                            <?php
+                                $monto = isset($liquidaciones[$date][$provincia]['monto']) ? number_format($liquidaciones[$date][$provincia]['monto'], 2, '.', '') : '0.00';
+                                $estado = isset($liquidaciones[$date][$provincia]['estado']) ? htmlspecialchars($liquidaciones[$date][$provincia]['estado']) : '';
+                            ?>
+                            <td class="editable-cell" data-provincia="<?php echo htmlspecialchars($provincia); ?>" data-column="monto"><?php echo $monto; ?></td>
+                            <td class="editable-cell" data-provincia="<?php echo htmlspecialchars($provincia); ?>" data-column="estado"><?php echo $estado; ?></td>
+                        <?php endforeach; ?>
+                    </tr>
+                <?php endfor; ?>
+            </tbody>
+            <tfoot>
+                <tr>
+                    <th>TOTAL</th>
+                    <?php foreach ($provincias as $provincia): ?>
+                        <th data-total-column="<?php echo htmlspecialchars($provincia); ?>">0.00</th>
+                        <th></th>
+                    <?php endforeach; ?>
+                </tr>
+            </tfoot>
+        </table>
+    </div>
+</div>
+
+<!-- --- BRAND NEW JAVASCRIPT --- -->
+<script>
+document.addEventListener('DOMContentLoaded', function() {
+    const tableBody = document.getElementById('liquidaciones-tbody');
+    let activeCell = null; // To keep track of the cell being edited
+
+    // --- 1. Function to Calculate Totals ---
+    function calculateTotals() {
+        const totals = {};
+        const provincias = <?php echo json_encode($provincias); ?>;
+        
+        provincias.forEach(provincia => {
+            totals[provincia] = 0;
+        });
+
+        tableBody.querySelectorAll('tr').forEach(row => {
+            provincias.forEach(provincia => {
+                const cell = row.querySelector(`td[data-provincia="${provincia}"][data-column="monto"]`);
+                if (cell) {
+                    const value = parseFloat(cell.textContent.replace(/,/g, '')) || 0;
+                    totals[provincia] += value;
+                }
+            });
+        });
+
+        provincias.forEach(provincia => {
+            const totalCell = document.querySelector(`tfoot th[data-total-column="${provincia}"]`);
+            if (totalCell) {
+                totalCell.textContent = totals[provincia].toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
+            }
+        });
+    }
+
+    // --- 2. Function to Save Changes ---
+    function saveCell(input) {
+        const cell = input.parentElement;
+        const originalValue = cell.getAttribute('data-original-value');
+        const newValue = input.value.trim();
+        
+        // Optimistically update the UI
+        let displayValue = newValue;
+        if (cell.dataset.column === 'monto') {
+            const numericValue = parseFloat(newValue.replace(/,/g, '')) || 0;
+            displayValue = numericValue.toFixed(2);
+        }
+        cell.textContent = displayValue;
+        activeCell = null;
+
+        // If value hasn't changed, don't bother saving
+        if (newValue === originalValue) {
+            calculateTotals(); // Recalculate just in case formatting was the only change
+            return;
+        }
+
+        // Prepare data for saving
+        const formData = new FormData();
+        formData.append('fecha', cell.closest('tr').dataset.date);
+        formData.append('provincia', cell.dataset.provincia);
+        formData.append('columna', cell.dataset.column);
+        formData.append('valor', newValue);
+
+        // Send to server
+        fetch('save_liquidaciones_provincia.php', {
+            method: 'POST',
+            body: formData
+        })
+        .then(response => response.json())
+        .then(data => {
+            if (!data.success) {
+                // On failure, revert to original value
+                cell.textContent = originalValue;
+                alert('Error al guardar: ' + (data.message || 'Error desconocido.'));
+            }
+        })
+        .catch(err => {
+            // On network error, revert
+            cell.textContent = originalValue;
+            alert('Error de conexión. No se pudo guardar el cambio.');
+        })
+        .finally(() => {
+            // Always recalculate totals after an edit attempt
+            calculateTotals();
+        });
+    }
+
+    // --- 3. Function to Make a Cell Editable ---
+    function editCell(cell) {
+        // If we are already editing this cell, do nothing
+        if (cell === activeCell) {
+            return;
+        }
+        // If we are editing a *different* cell, save it first
+        if (activeCell) {
+            saveCell(activeCell.querySelector('input'));
+        }
+
+        activeCell = cell;
+        const originalValue = cell.textContent.trim();
+        cell.setAttribute('data-original-value', originalValue);
+        cell.innerHTML = ''; // Clear the cell
+
+        const input = document.createElement('input');
+        input.type = cell.dataset.column === 'monto' ? 'number' : 'text';
+        if (cell.dataset.column === 'monto') {
+            input.step = '0.01';
+        }
+        input.value = originalValue;
+        
+        cell.appendChild(input);
+        input.focus();
+        input.select();
+
+        // Event listeners for the input
+        input.addEventListener('blur', () => {
+            saveCell(input);
+        });
+
+        input.addEventListener('keydown', (e) => {
+            if (e.key === 'Enter') {
+                e.preventDefault(); // Prevent form submission or line breaks
+                saveCell(input);
+            } else if (e.key === 'Escape') {
+                cell.textContent = originalValue; // Revert on escape
+                activeCell = null;
+            }
+        });
+    }
+
+    // --- 4. Main Event Listener (Event Delegation) ---
+    tableBody.addEventListener('click', function(e) {
+        // Find the clicked cell
+        const target = e.target;
+        if (target.classList.contains('editable-cell')) {
+            editCell(target);
+        }
+    });
+
+    // --- 5. Initial Calculation ---
+    calculateTotals();
+});
+</script>
+
+<?php
+require_once 'layout_footer.php';
+?>