*,:after,:before{box-sizing:border-box}body,html{height:100%;margin:0}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;height:100%;width:100%;overflow-x:auto;position:relative}.main-content{flex:1;padding:20px}.footer{background-color:#f8f9fa;padding:15px 0;text-align:center;position:relative;margin-top:auto}.footer p{margin:0;color:#6c757d;font-size:14px}.scale-container{flex:1;width:100%;height:100%;display:flex;flex-direction:column;padding-bottom:60px}.footer{position:fixed;bottom:0;left:0;width:100%;height:60px;background:#f8f9fa;border-top:1px solid #e9ecef;display:flex;align-items:center;justify-content:center;z-index:1000}