@keyframes fade-in {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .animate-fade-in { animation: fade-in 1s ease-out; }
    html { scroll-behavior: smooth; }
    .card_shadow {
      box-shadow: rgba(50, 50, 93, 0.25) 0px 50px 100px -20px, 
                  rgba(0, 0, 0, 0.3) 0px 30px 60px -30px, 
                  rgba(10, 37, 64, 0.35) 0px -2px 6px 0px inset; 
    }
    ::-webkit-scrollbar { width: 8px; }
    ::-webkit-scrollbar-track { background: #1a1a1a; }
    ::-webkit-scrollbar-thumb { 
      background: linear-gradient(to bottom, #8b5cf6, #ec4899);
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(to bottom, #7c3aed, #db2777);
    }