.radiator-page{padding:42px 0 80px}.radiator-workspace{grid-template-columns:minmax(0,.47fr) minmax(0,.53fr);align-items:start;gap:clamp(3rem,6vw,7rem);display:grid}.radiator-input-column{min-width:0}.radiator-heading{margin-bottom:28px}.radiator-heading h1{letter-spacing:-.045em;margin:0 0 15px;font-size:clamp(2.25rem,3.5vw,3.1rem);font-weight:600;line-height:1.06}.radiator-heading p{color:var(--muted);margin:0 0 14px;font-size:1.03rem;line-height:1.55}.radiator-heading a{color:var(--green-dark);text-underline-offset:3px;font-size:.84rem}.radiator-form{padding:0}.radiator-form fieldset{border:0;min-width:0;margin:0 0 26px;padding:0}.radiator-form legend{margin-bottom:16px;font-size:1.05rem;font-weight:600}.radiator-field{min-width:0;margin-bottom:20px}.radiator-field label{margin-bottom:8px;font-size:.86rem;font-weight:600;display:block}.radiator-field input,.radiator-field select{box-sizing:border-box;border:1px solid var(--border);width:100%;min-height:51px;font:inherit;color:var(--text);background:#fff;border-radius:13px;padding:11px 14px}.radiator-field select{cursor:pointer;padding-right:32px}.radiator-field input:focus,.radiator-field select:focus{outline:2px solid var(--green);outline-offset:2px}.radiator-field input[readonly]{background:var(--bg);color:var(--muted)}.radiator-field small,.radiator-form fieldset>p{color:var(--muted);margin:7px 0 0;font-size:.75rem;line-height:1.5;display:block}.radiator-form fieldset>p{margin:0 0 17px;font-size:.82rem}.radiator-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px;display:grid}.radiator-mode-options{grid-template-columns:1fr 1fr;gap:8px;display:grid}.radiator-mode-options label{cursor:pointer;position:relative}.radiator-mode-options input{opacity:0;width:1px;height:1px;position:absolute}.radiator-mode-options span{border:1px solid var(--border);text-align:center;background:#fff;border-radius:12px;justify-content:center;align-items:center;min-height:51px;padding:9px;font-size:.84rem;font-weight:500;line-height:1.3;display:flex}.radiator-mode-options input:checked+span{background:var(--green);border-color:var(--green);color:#fff;font-weight:600}.radiator-mode-options input:focus-visible+span{outline:2px solid var(--green-dark);outline-offset:3px}.radiator-error{color:#9c2727;margin-top:5px;font-size:.8rem;line-height:1.5;display:block}.radiator-error:empty{display:none}.radiator-field [aria-invalid=true]{border-color:#b13333}.radiator-error-summary{background:#fff4f3;border-left:3px solid #b13333;margin-bottom:20px;padding:10px 14px}.radiator-error-summary:empty{display:none}.radiator-advanced{border-top:1px solid var(--border);margin:8px 0 20px}.radiator-advanced summary{cursor:pointer;box-sizing:border-box;min-height:44px;padding:15px 0;font-size:.84rem;font-weight:500;display:list-item}.radiator-result-panel{border:1px solid var(--border);background:#fff;border-radius:16px;padding:28px;scroll-margin-top:90px;position:sticky;top:100px}.radiator-result-panel h2{margin:0 0 12px;font-size:1.4rem;font-weight:600}.radiator-result-panel p{color:var(--muted);font-size:.87rem;line-height:1.55}.radiator-main-value{letter-spacing:-.04em;color:var(--green-dark);margin:6px 0;font-size:clamp(2rem,3.7vw,3rem);font-weight:600}.radiator-result-block{border-bottom:1px solid var(--border);padding:16px 0}.radiator-result-block>strong{font-size:1.25rem;font-weight:600}.radiator-result-block h3{margin:0 0 8px;font-size:1rem;font-weight:500}.radiator-status{font-weight:500;color:var(--text)!important}.radiator-result-panel details{margin-top:16px;font-size:.85rem;line-height:1.6}.radiator-result-panel summary{cursor:pointer;min-height:44px;padding:12px 0}.radiator-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;display:flex}.radiator-secondary{border:1px solid var(--border);min-height:44px;color:var(--green-dark);font:inherit;cursor:pointer;background:#fff;border-radius:10px;padding:10px 13px;font-size:.85rem}.radiator-secondary:focus-visible,.radiator-form .button:focus-visible,.radiator-result-panel summary:focus-visible{outline:2px solid var(--green-dark);outline-offset:3px}.radiator-form>.button{width:100%;min-height:51px}.radiator-method{max-width:860px;margin:55px auto 0;font-size:1rem;line-height:1.75}.radiator-method h2{margin:30px 0 16px;font-size:1.7rem;font-weight:600;line-height:1.25}.radiator-method h3{font-size:1.1rem;font-weight:600}.radiator-method li{margin-bottom:8px}.radiator-method a{color:var(--green-dark);text-underline-offset:3px;text-decoration:underline}.radiator-table{max-width:100%;margin:22px 0;overflow:auto}.radiator-table table{border-collapse:collapse;width:100%;font-size:.9rem}.radiator-table th,.radiator-table td{text-align:left;border-bottom:1px solid var(--border);padding:12px}.radiator-table caption{text-align:left;color:var(--muted);padding-bottom:10px;font-size:.84rem}.radiator-stale{padding:12px 0;color:#745016!important}.radiator-model-note{font-size:.75rem!important}.radiator-workspace [hidden]{display:none!important}@media (width<=950px){.radiator-workspace{grid-template-columns:1fr;gap:28px;max-width:720px;margin:auto}.radiator-result-panel{position:static}.radiator-page{padding-top:28px}}@media (width<=500px){.radiator-fields{grid-template-columns:1fr}.radiator-dimensions,.radiator-temperatures{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px}.radiator-temperatures>.radiator-field:first-child,.radiator-temperatures>.radiator-field:last-child{grid-column:1/-1}.radiator-result-panel{padding:22px}.radiator-heading h1{font-size:2rem}.radiator-heading p{font-size:.93rem}.radiator-main-value{font-size:2.2rem}.radiator-workspace{gap:24px}.radiator-page{width:calc(100% - 28px)}.radiator-mode-options span{font-size:.8rem}.radiator-mode-options{gap:7px}}@media (width>=951px) and (height<=1000px){.radiator-result-panel{position:static}}