function updateConsumption() {
const weightInput = document.getElementById('editWeight');
const consumptionInput = document.getElementById('editConsumption');
if (!weightInput || !consumptionInput) return;
const weight = parseFloat(weightInput.value);
if (!isNaN(weight) && weight > 0) {
consumptionInput.value = (weight * 1.05).toFixed(2);
} else {
consumptionInput.value = '';
}