.article-calculator{margin:36px 0;padding:24px;border:1px solid var(--line);border-top:3px solid var(--ink);background:#eeefe4;overflow-wrap:anywhere;font-size:16px;line-height:1.7}.article-calculator h2{margin:0 0 14px;font-size:1.35rem}.article-calculator p{margin:10px 0}.article-calculator [hidden]{display:none!important}.calculator-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 22px}.calculator-field{min-width:0}.calculator-field label{display:block;font-weight:650;margin-bottom:5px}.calculator-field input,.calculator-field select{width:100%;min-width:0;padding:11px 12px;background:#fffdf8;color:var(--ink);border:1px solid #718277;border-radius:3px;font:inherit}.calculator-field small{display:block;font-size:13px;line-height:1.6;margin-top:5px}.calculator-field [aria-invalid=true]{border:2px solid #913d20}.calculator-error{color:#7f321b;min-height:0}.calculator-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 14px}.article-calculator button{font:650 15px/1.5 system-ui,sans-serif;padding:11px 16px;min-height:44px;border:1px solid var(--ink);border-radius:3px;background:var(--ink);color:#fffdf8;cursor:pointer}.article-calculator button[data-example],.article-calculator button[data-reset]{background:#fffdf8;color:var(--ink);font-weight:500}.article-calculator input:focus-visible,.article-calculator select:focus-visible,.article-calculator button:focus-visible,.article-calculator summary:focus-visible{outline:3px solid #8b3e16;outline-offset:3px}.calculator-result{padding:15px 18px;background:#fffdf8;border-left:3px solid var(--ink);margin:14px 0}.calculator-result p:first-child{margin-top:0;font-weight:650}.calculator-result p:last-child{margin-bottom:0}.article-calculator details{border-top:1px solid #bec8b7;margin-top:24px;padding-top:16px}.article-calculator summary{min-height:44px;padding:7px 0;font-weight:650}.calculator-note{font-size:14px;color:#405a4e}.article-calculator input:disabled{background:#e1e5dc;color:#4b6057}@media(max-width:540px){.article-calculator{padding:18px 16px;margin:28px 0}.calculator-grid{grid-template-columns:1fr;gap:14px}.article-calculator h2{font-size:1.2rem}.calculator-actions{display:grid;grid-template-columns:1fr}.article-calculator button{width:100%;text-align:center}.calculator-result{padding:12px}}