.rd-container{
  max-width:1100px;margin:auto;background:#fff;padding:25px;
  border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,0.08);
}

.top-section{display:flex;gap:30px;align-items:center;}
.rd-inputs{flex:60%;}
.rd-chart{flex:40%;height:280px;display:flex;justify-content:center;align-items:center;}

label{display:block;margin-top:12px;font-weight:600;}
.value-box{float:right;background:#e6f4ef;padding:4px 10px;border-radius:6px;color:#0a8f6a;}

input,select{width:100%;margin-top:6px;}

.results{
  margin-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;
}
.results div{margin-top:10px;}
.results p{margin:0;color:#666;}

table{width:100%;margin-top:20px;border-collapse:collapse;}
th,td{padding:10px;text-align:center;border-bottom:1px solid #eee;}
th{background:#f1f3f9;}

@media(max-width:768px){
  .top-section{flex-direction:column;}
}