.custom-scrollbar::-webkit-scrollbar { width: 8px; }
.custom-scrollbar::-webkit-scrollbar-track { background: #1e293b; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: #475569; border-radius: 4px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #64748b; }
.fade-in { animation: fadeIn 0.3s ease-out forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.animate-pulse-slow { animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.text-shadow-sm { text-shadow: 0 1px 2px rgba(0,0,0,0.5); }

/* Loading Spinner */
.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #f97316; /* Orange-500 */
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }