body {
    font-family: 'Roboto', Arial, sans-serif;
    max-width: 600px;
    margin: 20px auto;
    padding: 16px;
    background-color: #121212;
    color: #E0E0E0;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  }
  
  /* Header */
  h1 {
    color: #BB86FC;
    font-weight: 500;
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 16px;
  }
  
  p {
    color: #B0B0B0;
    line-height: 1.6;
  }
  
  /* Input styling */
  input[type="text"] {
    padding: 12px;
    width: calc(100% - 90px);
    font-size: 1rem;
    margin-right: 8px;
    border: none;
    border-radius: 8px;
    background-color: #2C2C2C;
    color: #E0E0E0;
    outline: none;
  }
  
  input[type="text"]::placeholder {
    color: #888888;
  }
  
  /* Button styling */
  button {
    padding: 12px 18px;
    font-size: 1rem;
    background-color: #BB86FC;
    color: #121212;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  button:hover {
    background-color: #9A63E5;
  }
  
  button:active {
    background-color: #7A47C4;
  }

  ol {
    margin-top: 24px;
    padding-left: 20px;
    color: #E0E0E0;
  }
  
  li {
    margin-bottom: 8px;
  }
  
  #emptyMessage {
    color: #757575;
    font-style: italic;
  }
  
  input[type="text"]:focus, button:focus {
    outline: 2px solid #BB86FC;
    outline-offset: 2px;
  }
  
.task-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.task-checkbox {
    transform: scale(2);
}

.task-text.completed {
    text-decoration: line-through;
    color: #888888;
}

.delete-button {
    background-color: #272928;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    font-size: 16px;
    line-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.delete-button:hover {
    background-color: #161717;
}