body {
    overflow-x: hidden;
    min-height: 100vh;
    background: #111827;
  }
  
  .particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: transform 0.5s ease, opacity 0.5s ease;
  }
  
  .gradient-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(29, 78, 216, 0.1) 0%, rgba(17, 24, 39, 0.9) 70%);
    z-index: 0;
  }
  
  /* Enhanced link card styles */
  .link-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
  }
  
  .link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  }
  
  .link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: currentColor;
    transition: height 0.3s ease;
  }
  
  .link-card:hover::before {
    height: 100%;
  }
  
  .link-icon {
    transition: all 0.3s ease;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  
  .link-card:hover .link-icon {
    transform: scale(1.1);
  }
  
  .link-content {
    flex: 1;
  }
  
  @keyframes float {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-10px);
    }
  }
  
  .floating {
    animation: float 6s ease-in-out infinite;
  }
  
  /* Page transitions */
  .page {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100vh;
    padding: 2rem;
    background: #111827;
    z-index: 10;
  }
  
  .page.active {
    display: block;
  }
  
  .back-button {
    transition: all 0.3s ease;
  }
  
  .back-button:hover {
    transform: translateX(-5px);
  }
  /* Fixed bottom navigation styles */
  body {
    padding-bottom: 72px; /* Space for fixed nav */
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
  }
  
  .fixed-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #111827; /* bg-gray-900 */
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1), 0 -2px 4px -1px rgba(0, 0, 0, 0.06);
  }
  
  #chat-info {
    border-bottom: 1px solid #444;
  }