@media (max-width:768px){.mobile-hidden{display:none}.mobile-panel{width:100%;max-height:80vh}}.touch-target{width:44px;height:44px}.touch-feedback{position:relative}.touch-feedback:after{content:"";position:absolute;pointer-events:none;left:50%;top:50%;width:0;height:0;background:rgba(0,0,0,.1);border-radius:50%;transform:translate(-50%,-50%);transition:width .3s,height .3s}.touch-feedback:active:after{width:100px;height:100px}