/* Simple, clean responsive card UI for calculators */
.fpc-calculator-wrapper {
  margin: 18px auto;
  max-width: 520px;
  padding: 0 12px;
}
.fpc-calculator-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 10px 25px rgba(18, 38, 63, 0.08);
  border: 1px solid rgba(18,38,63,0.04);
}
.fpc-title {
  font-size: 1.25rem;
  margin: 0 0 12px;
  text-align: center;
  color: #1f2937;
}
.fpc-calculator-body label {
  display:block;
  margin-bottom:10px;
  font-size:0.95rem;
  color:#374151;
}
.fpc-calculator-body input[type="number"],
.fpc-calculator-body select {
  width:100%;
  padding:9px 10px;
  margin-top:6px;
  border-radius:8px;
  border:1px solid #e5e7eb;
  box-sizing:border-box;
  font-size:0.95rem;
}
.fpc-row {
  display:flex;
  gap:8px;
  margin-top:10px;
}
.fpc-btn {
  flex:1;
  padding:10px 12px;
  border-radius:8px;
  border:none;
  background:#10b981;
  color:white;
  font-weight:600;
  cursor:pointer;
  box-shadow: 0 6px 18px rgba(16,185,129,0.18);
}
.fpc-btn:hover { opacity:0.95; transform:translateY(-1px); }

.fpc-result {
  margin-top:12px;
  padding:10px;
  background: #f8fafc;
  border-radius:8px;
  border:1px solid #e6edf2;
  font-weight:600;
  color:#0f172a;
  white-space:pre-wrap;
}
.fpc-note {
  font-size:0.85rem;
  color:#6b7280;
  margin-top:8px;
}

/* small screens */
@media (max-width:420px){
  .fpc-calculator-card{padding:14px}
  .fpc-title{font-size:1.05rem}
}