:root{--wood-dark:#5d4037;--wood-medium:#795548;--wood-light:#a1887f}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}