.thermal-calculator{margin:28px 0;padding:28px;background:#fff;border:1px solid #cddbd3;border-radius:18px}
.thermal-calculator [hidden]{display:none!important}
.thermal-calculator .field{margin-bottom:18px;min-width:0}
.thermal-calculator input,.thermal-calculator select{width:100%;min-width:0;box-sizing:border-box;font:inherit}
.thermal-calculator label{display:block;font-weight:650;margin-bottom:8px}
.thermal-calculator .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.thermal-result{padding:22px;background:#edf3e8;border-radius:12px;margin-top:24px;color:#123d32}
.thermal-result strong{font-size:1.35rem;display:block;overflow-wrap:anywhere}
.thermal-result p:last-child{margin-bottom:0}
#thermal-error{color:#8f251b;font-weight:600}
@media(max-width:600px){.thermal-calculator{padding:18px}.thermal-calculator .form-grid{grid-template-columns:1fr;gap:0}.thermal-result{padding:18px}}