Vue Js Add Table Row Dynamically

<!DOCTYPE html>
<html>
<head>
  <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
</head>
<body>
  <div id="app">
      <div class="table-container">
      <h3>Vue Js Table Add Row </h3>
      <button @click="showModal = true" class="add-button">Add Row</button>
      <table>
        <thead>
          <tr>
            <th>Name</th>
            <th>Age</th>
          </tr>
        </thead>
        <tbody>
          <tr v-for="(row, index) in tableData" :key="index">
            <td>{{ row.name }}</td>
            <td>{{ row.age }}</td>
          </tr>
        </tbody>
      </table>
    </div>

<div class="modal-container" v-if="showModal">
      <div class="modal">
        <h2>Add Row</h2>
        <form @submit.prevent="addRow">
          <label>
            Name:
            <input type="text" v-model="newRow.name" />
          </label>
          <label>
            Age:
            <input type="number" v-model.number="newRow.age" />
          </label>
          <button type="submit" class="add-button">Add</button>
          <button @click="showModal = false" class="cancel-button">Cancel</button>
        </form>
      </div>
    </div>

</div>

app.mount("#app");
  </script>

table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 1em;
    }

thead th {
      background-color: #f5f5f5;
      text-align: left;
      padding: 0.5em 1em;
      border-bottom: 1px solid #ddd;
    }

tbody tr:nth-child(even) {
      background-color: #f9f9f9;
    }

td {
      padding: 0.5em 1em;
      border-bottom: 1px solid #ddd;
    }

td:first-child {
      font-weight: bold;
    }

.modal-container {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      display: flex;
      justify-content: center;
      align-items: center;
    }

.modal {
      background-color: #fff;
      padding: 1em;
      border-radius: 0.5em;
    }

.modal h2 {
      margin-top: 0;
    }

input[type="text"],
    input[type='number'] {
      padding: 0.5em 1em;
      font-size: 1em;
      border-radius: 0.25em;
      border: 1px solid #ccc;
    }

input[type="text"]:focus {
      outline: none;
      box-shadow: 0 0 0 2px #c8e6c9;
    }

.add-button {
      background-color: #4caf50;
      color: #fff;
      border: none;
      padding: 0.5em 1em;
      border-radius: 0.25em;
      font-size: 1em;
      cursor: pointer;
      transition: background-color 0.3s;
    }

.add-button:hover {
      background-color: #3e8e41;
    }

.add-button:focus {
      outline: none;
      box-shadow: 0 0 0 2px #c8e6c9;
    }

.cancel-button {
      background-color: #f44336;
      color: #fff;
      border: none;
      padding: 0.5em 1em;
      border-radius: 0.25em;
      font-size: 1em;
      cursor: pointer;
      transition: background-color 0.3s;
    }

.cancel-button:hover {
      background-color: #e53935;
    }

.cancel-button:focus {
      outline: none;
      box-shadow: 0 0 0 2px #ffcdd2;
    }
  </style>

</body>

</html>