body {
      font-family: Arial, sans-serif;
      max-width: 800px;
      margin: 40px auto;
      padding: 0 20px;
    }

    input, textarea, button {
      display: block;
      width: 100%;
      margin-top: 10px;
      padding: 10px;
      font-size: 16px;
      box-sizing: border-box;
    }

    textarea {
      min-height: 100px;
    }

    button {
      cursor: pointer;
    }

    .note {
      border: 1px solid #ddd;
      padding: 15px;
      margin-top: 15px;
      border-radius: 8px;
    }

    .note h3 {
      margin-top: 0;
    }

    .delete-button {
      background: #eee;
      border: 1px solid #ccc;
      margin-top: 10px;
    }

    .status {
      margin-top: 15px;
      font-weight: bold;
    }