/* Calculator core styles (self-contained) */
:root{
  --brand:#28a745;--brand-2:#20c997;--text:#1A4D3E;--muted:#6c757d;--card:#fff;--soft:#f5f7f8;--line:#e9ecef;--shadow:0 8px 32px rgba(0,0,0,.08)
}
.bg-light{background:#f7faf8}
.calculator-section{padding:140px 0}
.calc-container{max-width:1200px;margin:0 auto;padding:0 20px}
.calc-heading{text-align:center;margin-bottom:36px}
.calc-subhead{color:var(--text);opacity:.85;margin:0 0 6px}
.calc-title{color:var(--text);font-size:34px;margin:0}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.calc-card{background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:28px}
.calc-card-header{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:var(--text)}
.calc-card-header i{color:var(--brand)}
.calc-field{margin-bottom:16px}
.calc-field label{display:block;font-weight:600;color:var(--text);margin-bottom:8px}
.calc-input{width:100%;background:#fff;border:2px solid var(--line);border-radius:8px;padding:12px 14px;font-size:14px;transition:border .2s,box-shadow .2s}
.calc-input:focus{border-color:var(--brand);outline:0;box-shadow:0 0 0 3px rgba(40,167,69,.12)}
.req{color:var(--brand)}
.subsidy-card{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#f8fff8}
.subsidy-check{display:flex;gap:10px;align-items:center;cursor:pointer}
.subsidy-check input{accent-color:var(--brand)}
.subsidy-check i{color:var(--brand)}
.subsidy-info small{color:var(--muted)}
.calc-range{-webkit-appearance:none;width:100%;height:8px;border-radius:6px;background:linear-gradient(to right,var(--brand) 50%,var(--line) 50%);outline:none;transition:background .2s}
.calc-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--brand);box-shadow:0 2px 8px rgba(40,167,69,.35);cursor:pointer;border:0}
.calc-range::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--brand);border:0;cursor:pointer}
.calc-range-labels{display:flex;justify-content:space-between;color:#92a0a6;margin-top:6px;font-size:12px}
.cost-breakdown{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}
.cost-item{display:flex;justify-content:space-between;padding:10px 0;color:var(--text)}
.cost-item.subsidy span:last-child{color:var(--brand)}
.cost-item.total{border-top:2px solid var(--brand);margin-top:6px;padding-top:12px}
.result-card{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:14px}
.result-icon{color:var(--brand);font-size:20px}
.result-meta h4{margin:0 0 4px;color:var(--text)}
.result-value{font-size:28px;font-weight:700;color:#0f332a}
.result-unit{color:#9aa7ad;font-size:12px}
.calc-cta{margin-top:10px}
.whatsapp-btn{display:inline-flex;align-items:center;gap:8px;background:#25d366;color:#fff;border:0;border-radius:8px;padding:12px 18px;cursor:pointer;box-shadow:0 4px 15px rgba(37,211,102,.3);transition:.25s}
.whatsapp-btn:hover{background:#128c7e;box-shadow:0 6px 20px rgba(37,211,102,.4)}
.disclaimer{margin:12px 0 0;color:#7d8a90;font-size:13px}
.disclaimer a{color:var(--brand);text-decoration:underline}
@media (max-width:991.98px){.calc-grid{grid-template-columns:1fr}.calculator-section{padding:80px 0}}

/* Fix overlap with theme's nice-select and range slider */
.calculator-section .calc-field{position:relative}
.calculator-section .calc-input,.calculator-section .nice-select{position:relative;z-index:2}
.calculator-section .calc-range{position:relative;z-index:1;margin-top:6px}
.calculator-section .nice-select{width:100%;border:2px solid var(--line);border-radius:8px;padding:12px 14px;height:auto;line-height:1.4;background:#fff}
.calculator-section .nice-select:after{right:12px}
.calculator-section .nice-select .list{z-index:10000;max-height:220px;overflow:auto}