html,body{height:100%;margin:0;padding:0;overflow:hidden}body{background-color:var(--teacher-bg-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif}*{box-sizing:border-box}.layout-wrapper{flex-direction:column;height:100%;display:flex;overflow:auto}.layout-wrapper>header{flex-shrink:0}.main-container{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:24px;overflow-y:auto}.main-full{flex:1;min-height:0;display:flex;overflow:hidden}