.billing-calculator{background:var(--sage);margin-block:28px;padding:32px}.calculator-actions{flex-wrap:wrap;gap:15px;margin-bottom:20px;display:flex}.calculator-actions button{border:1px solid var(--green);cursor:pointer;padding:12px 18px;font-size:13px}.calculator-actions button:hover{background:var(--green);color:var(--paper)}.metric-pair{grid-template-columns:1fr 1fr;gap:35px;margin-top:30px;display:grid}.metric-pair fieldset{border:1px solid #a8b69d;min-width:0;padding:24px}.metric-pair legend{padding:0 8px;font-size:18px}.metric-field{margin-bottom:22px}.metric-field label{margin-bottom:8px;font-size:14px;line-height:1.6;display:block}.metric-field input{background:var(--paper);width:100%;color:var(--ink);border:1px solid #8b9a80;border-radius:0;padding:12px;font-size:17px}.metric-field p{margin-top:8px;font-size:12px;line-height:1.7}.metric-results>div{background:var(--green);color:var(--paper);padding:25px}.metric-results h3{margin-top:0;font-size:24px}.metric-results output{font-size:30px;line-height:1.4;display:block}.metric-results p{color:#d1dbcf;margin-top:15px;font-size:12px}.metric-results .metric-error{color:#fff1bc}@media (max-width:760px){.metric-pair{grid-template-columns:1fr;gap:24px}.billing-calculator{padding:20px}.metric-pair fieldset{padding:18px}}