:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#213547;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0}body,#root{margin:0;padding:0;height:100%;width:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{display:flex;height:100vh}.nav-menu{width:auto;min-width:180px;background-color:#333;padding:20px;box-shadow:2px 0 5px #0000001a;display:flex;flex-direction:column}.nav-menu a,.menu-header{display:block;padding:10px 15px;text-decoration:none;color:#fff;border-radius:4px;margin-bottom:10px;transition:background-color .3s;cursor:pointer}.nav-menu a:hover,.menu-header:hover{background-color:#555}.sub-menu a{padding-left:30px;font-size:.9em;margin-bottom:5px}.sub-menu a:hover{background-color:#444}.content{flex-grow:1;padding:20px;overflow-y:auto;background-color:#f4f6f8}