.hpc-wrapper{
  max-width:420px;
  margin:2rem auto;
  padding:2rem;
  background:#ffffff;
  border-radius:1rem;
  box-shadow:0 4px 20px rgba(0,0,0,0.08);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  direction:rtl;
  text-align:right;
}
.hpc-field{
  margin-bottom:1rem;
}
.hpc-field label{
  display:block;
  margin-bottom:.25rem;
  font-weight:600;
}
.hpc-field input{
  width:100%;
  padding:.5rem .75rem;
  border:1px solid #ddd;
  border-radius:.5rem;
  font-size:1rem;
}
.hpc-btn{
  width:100%;
  padding:.75rem;
  background:#4f46e5;
  color:#fff;
  border:none;
  border-radius:.5rem;
  font-size:1rem;
  cursor:pointer;
  transition:background .3s ease;
}
.hpc-btn:hover{
  background:#4338ca;
}
.hpc-results{
  margin-top:1.5rem;
  font-size:1.1rem;
  line-height:1.8;
}