* { box-sizing: border-box }

    body {
      margin: 0;
      padding: 0;
      background: linear-gradient(135deg,#667eea,#764ba2);
      font-family: Arial,sans-serif;
      text-align: center;
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center
    }

    .container {
      width: 90%;
      max-width: 350px;
      background: white;
      padding: 30px;
      border-radius: 16px;
      box-shadow: 0 15px 40px rgba(0,0,0,.2)
    }

    h1 { margin-bottom: 5px; color: #333 }
    h2 { margin-top: 0; color: #888; font-size: 18px }

    .task-input {
      display: flex;
      justify-content: center;
      gap: 10px;
      margin-bottom: 20px
    }

    input {
      padding: 12px;
      border-radius: 10px;
      border: 1px solid #ddd;
      outline: none;
      width: 100%;
      transition: .2s;
      font-size: 14px
    }

    input:focus {
      border-color: #667eea;
      box-shadow: 0 0 5px rgba(102,126,234,.5)
    }

    button {
      padding: 10px 16px;
      border-radius: 10px;
      border: none;
      background: #667eea;
      color: white;
      cursor: pointer;
      transition: .2s;
      font-size: 14px
    }

    button:hover { background: #5563d1 }

    ul {
      list-style: none;
      padding: 0;
      margin: 0
    }

    .task-list li {
      overflow-wrap: break-word;
      word-break: break-word;
      background: #f5f7ff;
      margin: 10px 0;
      padding: 10px;
      border-radius: 10px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: .2s
    }

    .task-list li:hover { transform: scale(1.02) }

    .task-buttons {
      transition: .2s;
      display: flex;
      gap: 5px;
      min-width: 70px
    }

    .edit-btn { background: #f0ad4e }
    .edit-btn:hover { background: #e59a2f }

    .delete-btn { background: #e74c3c }
    .delete-btn:hover { background: #d62c1a }

    #addBtn { white-space: nowrap }

    @media(max-width:500px){

      .container { padding: 20px }

      h1 { font-size: 24px }

      input { font-size: 16px }

      button {
        padding: 10px;
        font-size: 14px;
        min-height: 40px
      }

      .task-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px
      }

    }