.fruit-emoji{font-size:4rem;filter:drop-shadow(0 4px 8px rgba(0,0,0,.2))}.equation-term{display:inline-block;padding:.75rem 1rem;margin:.25rem;border-radius:.5rem;box-shadow:0 4px 6px -1px rgba(0,0,0,.1);border:2px solid #93c5fd;transition:all .3s ease}.feature-bar{background:linear-gradient(90deg,#e5e7eb,#d1d5db);border-radius:9999px;height:1.5rem;overflow:hidden;position:relative}.feature-progress{height:100%;border-radius:9999px;transition:all .7s ease-out}.decision-boundary{stroke:#3b82f6;stroke-width:2;filter:drop-shadow(0 2px 4px rgba(59,130,246,.3))}.perceptron-demo ::-webkit-scrollbar{width:8px}.perceptron-demo ::-webkit-scrollbar-track{background:#f3f4f6}.perceptron-demo ::-webkit-scrollbar-thumb{background:#9ca3af;border-radius:9999px}.perceptron-demo ::-webkit-scrollbar-thumb:hover{background:#6b7280}