body.dark-mode h3{
    color: #ffffff;
  }
  body.dark-mode h2 {
    color: #ffffff; /* White color for the heading */
  }

  body.dark-mode #problems p {
    color: #ffffff; /* White color for the heading */
  }

  body.dark-mode p {
    color: #ffffff; /* White color for the heading */
  }

body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
  }
  
  .dark-mode header {
    background-color: #1f1f1f;
    color: #ffffff;
  }
  
  .dark-mode #hero {
    background-color: #1f1f1f;
    color: #ffffff;
  }
  
  .dark-mode .btn-primary {
    background-color: #333;
    color: #ffffff;
  }
  
  .dark-mode .btn-primary:hover {
    background-color: #444;
  }
  
  .dark-mode .btn-secondary {
    background-color: transparent;
    border-color: #ffffff;
    color: #ffffff;
  }
  
  .dark-mode .btn-secondary:hover {
    background-color: #ffffff;
    color: #1f1f1f;
  }
  
  .dark-mode .tutorial-card,
  .dark-mode .problem-card,
  .dark-mode .feature-card,
  .dark-mode .testimonial-card {
    background-color: #1f1f1f;
    color: #e0e0e0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  }
  
  .dark-mode .tutorial-card:hover,
  .dark-mode .problem-card:hover,
  .dark-mode .feature-card:hover,
  .dark-mode .testimonial-card:hover {
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.5);
  }
  
  .dark-mode #problem-detail pre {
    background-color: #2c3e50;
    color: #ffffff;
  }
  
  .dark-mode .solution-tabs button {
    background-color: #333;
    color: #ffffff;
    border-color: #007bff;
  }
  
  .dark-mode .solution-tabs button.active {
    background-color: #007bff;
    color: #ffffff;
  }
  
  .dark-mode footer {
    background-color: #1f1f1f;
    color: #ffffff;
  }
  
  .dark-mode .chatbot-popup {
    background-color: #1f1f1f;
    color: #ffffff;
  }
  
  .dark-mode .chatbot-header {
    background-color: #1abc9c;
    color: #ffffff;
  }
  
  .dark-mode .chatbot-messages {
    background-color: #121212;
    color: #ffffff;
  }
  
  .dark-mode .chatbot-input input {
    background-color: #333;
    color: #ffffff;
    border: 1px solid #444;
  }
  
  .dark-mode .chatbot-input button {
    background-color: #1abc9c;
    color: #ffffff;
  }
  
  .dark-mode .message.bot p {
    background-color: #444;
    color: #ffffff;
  }
  
  .dark-mode .message.user p {
    background-color: #1abc9c;
    color: #ffffff;
  }