/* Container styling to keep it centered */
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f4f4f4; /* Light mode background color */
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  .todo-container {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 900px;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  .theme-toggle button {
    font-size: 1.2rem;
    background-color: #333; /* Dark button for light mode */
    color: white;
    border: none;
    cursor: pointer;
  }
  
  /* Dark mode for the body background */
  body.dark-mode {
    background-color: #1a1a1a; /* Full dark mode background */
    color: #e0e0e0; /* Text color in dark mode */
  }
  
  .dark-mode .todo-container {
    background-color: #2b2b2b; /* Darker container background */
    color: #fff;
  }
  
  .dark-mode .theme-toggle button {
    background-color: #f4f4f4; /* Light button for dark mode */
    color: black;
  }
  
  /* Styling the input box in dark mode */
  input[type="text"] {
    background-color: white;
    color: black;
    border: 1px solid #ced4da;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  input[type="text"]::placeholder {
    color: #999; /* Placeholder color for light mode */
  }
  
  .dark-mode input[type="text"] {
    background-color: #333;
    color: white;
    border-color: #444;
  }
  
  .dark-mode input[type="text"]::placeholder {
    color: #ccc; /* Lighter placeholder color in dark mode */
  }
  
  /* Set task list to be scrollable */
  #task-list {
    max-height: 70vh;
    overflow-y: auto;
  }
  
  /* Card styling with subtle box shadow */
  .card {
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Light shadow */
    transition: box-shadow 0.3s ease;
  }
  
  .card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15); /* Slightly stronger shadow on hover */
  }
  
  .card-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer; /* Enable pointer cursor to indicate action */
  }
  
  .card-body.completed span {
    text-decoration: line-through;
    color: #999; /* Light mode completed task color */
  }
  
  .dark-mode .card {
    background-color: #3a3a3a;
  }
  
  .dark-mode .card-body span {
    color: #ddd; /* Light gray text color in dark mode */
  }
  
  .dark-mode .card-body.completed span {
    color: #888; /* Slightly darker gray for completed tasks in dark mode */
  }
  
  /* Delete button styling */
  .btn-danger {
    background-color: red;
    border: none;
    cursor: pointer;
  }
  
  .btn-danger:hover {
    background-color: darkred;
  }
  
  /* Dark mode for cards */
  .dark-mode .card {
    background-color: #3a3a3a;
  }
  
  .dark-mode .btn-danger {
    background-color: #e74c3c;
  }
  
  .dark-mode .btn-danger:hover {
    background-color: #c0392b;
  }

  .theme-toggle {
    top: 0;
    right: 0;
    position: absolute;
    z-index: 1000;
  }
  
  /* Responsive adjustments for mobile */
  @media (max-width: 768px) {
    .todo-container {
      max-width: 90%;
    }
  }