/* Basic styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    scroll-behavior: smooth;
  }
  
  /* Dark theme */
  .dark {
    background-color: #111827;
    color: #f9fafb;
  }
  
  /* Buttons */
  .btn-primary {
    background: #2563eb;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
  }
  
  .btn-primary:hover {
    background: #1d4ed8;
  }
  
  /* Project cards */
  .project-card {
    transition: all 0.2s;
  }
  
  .project-card:hover {
    transform: scale(1.02);
  }
  
  /* Social links */
  .social-link {
    padding: 12px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    color: #374151;
    text-decoration: none;
    transition: all 0.2s;
  }
  
  .dark .social-link {
    background: #374151;
    color: #d1d5db;
  }
  
  /* Skill tags */
  .skill-tag {
    background: #f3f4f6;
    color: #374151;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    margin: 4px;
    display: inline-block;
  }
  
  .dark .skill-tag {
    background: #374151;
    color: #d1d5db;
  }
  
  /* Icons */
  .icon {
    font-size: 20px;
  }
  
  .icon-lg {
    font-size: 24px;
  }
  
  /* Contact section icons */
  .contact-icon {
    font-size: 18px;
  }
  
  /* Navigation links */
  .nav-link {
    color: #374151;
    padding: 8px 12px;
    border-radius: 6px;
    text-decoration: none;
  }
  
  .nav-link:hover {
    color: #111827;
  }
  
  .dark .nav-link {
    color: #d1d5db;
  }
  
  .dark .nav-link:hover {
    color: #f9fafb;
  }
  
  .mobile-nav-link {
    display: block;
    color: #374151;
    padding: 8px 12px;
    border-radius: 6px;
    text-decoration: none;
  }
  
  .mobile-nav-link:hover {
    color: #111827;
    background: #f3f4f6;
  }
  
  .dark .mobile-nav-link {
    color: #d1d5db;
  }
  
  .dark .mobile-nav-link:hover {
    color: #f9fafb;
    background: #374151;
  }
  
  /* Mobile menu animations */
  #mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
    opacity: 0;
  }
  
  #mobile-menu.show {
    max-height: 400px;
    opacity: 1;
  }
  
  /* Smooth scrolling */
  html {
    scroll-behavior: smooth;
  }
  
  /* Theme Toggle Switch */
  .theme-switch {
    cursor: pointer;
    padding: 4px;
  }
  
  .switch-track {
    width: 60px;
    height: 30px;
    background: #e5e7eb;
    border-radius: 15px;
    position: relative;
    transition: background 0.3s ease;
  }
  
  .dark .switch-track {
    background: #374151;
  }
  
  .switch-thumb {
    width: 22px;
    height: 22px;
    background: #2563eb;
    border-radius: 50%;
    position: absolute;
    top: 4px;
    left: 4px;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .dark .switch-thumb {
    transform: translateX(30px);
    background: #1e40af;
  }
  
  .sun-icon {
    color: white;
    font-size: 12px;
    opacity: 1;
    transition: opacity 0.3s ease;
  }
  
  .moon-icon {
    color: white;
    font-size: 12px;
    opacity: 0;
    position: absolute;
    transition: opacity 0.3s ease;
  }
  
  .dark .sun-icon {
    opacity: 0;
  }
  
  .dark .moon-icon {
    opacity: 1;
  }
  
  /* Hover transitions */
  a {
    transition: color 0.2s;
  }
  
  button {
    transition: all 0.2s;
  }