body{font-family:Segoe UI,Arial;background:#f4f6f9;margin:0}
.sidebar{width:220px;background:#003366;color:#fff;position:fixed;top:0;bottom:0;padding:20px}
.content{margin-left:240px;padding:20px}
.card{background:#fff;padding:20px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.1);margin-bottom:15px}
.btn{background:#ff6a00;color:#fff;padding:10px 15px;border:none;border-radius:5px;cursor:pointer}
input,textarea{width:100%;padding:10px;margin:5px 0}
.kpi{display:inline-block;width:23%;margin-right:1%;background:#fff;padding:15px;border-radius:10px}