.production-calc{background:#fff;border:1px solid #e6e8ef;border-radius:16px;padding:22px;margin:28px 0;box-shadow:0 8px 24px rgba(17,24,39,.06)}
.production-calc .calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:14px 0}
.production-calc label{font-weight:700;font-size:14px;color:#1f2937;margin-bottom:5px;display:block}
.production-calc input{width:100%;padding:12px;border:1px solid #cfd6e4;border-radius:10px;font-size:16px;box-sizing:border-box}
.production-calc .calc-run{background:#0f766e;color:#fff;border:0;border-radius:10px;padding:12px 22px;font-weight:800;cursor:pointer}
.production-calc .calc-run:hover{filter:brightness(.95)}
.production-calc .calc-result{margin-top:16px;padding:16px;border-radius:12px;background:#f8fafc;border:1px solid #dbe3ef;line-height:1.7;white-space:pre-line}
.production-calc .calc-error{color:#b91c1c;background:#fff1f2;border-color:#fecdd3}