.excel-helper{max-width:960px;margin-inline:auto;min-width:0}.excel-helper .panel{margin-bottom:20px}.excel-helper h2{margin-top:0}.excel-helper h3{margin:20px 0 8px}.excel-helper p{line-height:1.7}.excel-helper textarea{width:100%;box-sizing:border-box;resize:vertical;min-height:130px;font:inherit;padding:12px;border:1px solid #94a3b8;border-radius:8px}.excel-helper select{width:100%;min-height:42px;font:inherit;padding:8px;border:1px solid #94a3b8;border-radius:8px;background:#fff;color:#172b3a}.excel-helper label{display:block;font-weight:600;margin-bottom:6px}.excel-options{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.excel-examples,.excel-actions{display:flex;flex-wrap:wrap;gap:10px}.excel-helper .btn{min-height:44px;white-space:normal;line-height:1.4}.excel-helper button:disabled{opacity:.6;cursor:not-allowed}.excel-note,.excel-notice{background:#f0f9fc;color:#17384a;border:1px solid #b6dce5;border-radius:10px;padding:16px}.excel-helper .excel-consent{display:flex;align-items:flex-start;gap:10px;font-weight:500;margin:16px 0 0;cursor:pointer}.excel-consent input{flex:0 0 auto;width:20px;height:20px;margin-top:3px;accent-color:#0e7490}.excel-helper .excel-code{padding:14px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;background:#f1f5f9;color:#172b3a;border:1px solid #cbd5e1;border-radius:8px;font:14px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;max-width:100%;box-sizing:border-box}.excel-helper :focus-visible{outline:3px solid #0369a1;outline-offset:3px}.excel-helper #excel-status{min-height:1.7em;margin-bottom:0}.excel-helper #excel-challenge{max-width:100%;margin-block:12px;min-width:0}.excel-helper [hidden]{display:none!important}.excel-helper .hint{color:#475569}.excel-helper .excel-actions{margin-top:16px}@media(max-width:500px){.excel-options{grid-template-columns:1fr;gap:12px}.excel-helper .panel{padding:16px}.excel-examples .btn{flex:1 1 100%}.excel-helper .excel-code{font-size:13px}.excel-helper .excel-notice{padding:12px}}@media(prefers-reduced-motion:reduce){.excel-helper *{scroll-behavior:auto!important}}