body{margin:0;font-family:sans-serif}.dashboard-layout{height:100vh;display:flex}.sidebar{color:#fff;background:#1f2937;width:240px;padding:20px}.main-area{flex-direction:column;flex:1;padding-left:2%;display:flex}.header{background:#f3f4f6;padding:10px 20px}.content{padding:20px}