body {
  font-family: Arial, sans-serif;
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

h1, h2 {
  text-align: center;
}

.input-section {
  margin-bottom: 20px;
}

input, select, button {
  padding: 10px;
  margin-top: 5px;
  width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 12px;
  border-bottom: 1px solid #ccc;
  text-align: left;
}

.green {
  color: green;
  font-weight: bold;
}

.red {
  color: red;
  font-weight: bold;
}

.total-row {
  background-color: #f2f2f2;
  font-weight: bold;
}

.delete-btn {
  padding: 6px 10px;
  background-color: #cc0000;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

.delete-btn:hover {
  background-color: #990000;
}