:root{--green:#185c3c;--accent:#217346;--ink:#18241e;--muted:#5d6b63;--line:#d5ded7;--paper:#fbfcf9;--purple:#bea7e8;--mono:Consolas,'Courier New',monospace;--body:'Segoe UI',Arial,sans-serif;color-scheme:light}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:15px/1.6 var(--body)}a{color:var(--accent)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible,pre:focus-visible{outline:3px solid #8763bd;outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.08}h1{font-size:clamp(58px,6.9vw,106px);letter-spacing:-.07em;font-weight:800}h2{font-size:clamp(34px,4.4vw,62px);letter-spacing:-.05em;font-weight:750;margin-bottom:24px}h3{font-size:21px;letter-spacing:-.02em}p{margin-bottom:16px}code,kbd{font-family:var(--mono);font-size:.9em}kbd{border:1px solid var(--line);border-bottom-width:3px;padding:1px 5px;border-radius:3px;background:white}.skip{position:fixed;left:12px;top:-100px;background:white;padding:12px;z-index:30}.skip:focus{top:12px}
.app-header{position:sticky;top:0;z-index:10;background:#f7f9f6;box-shadow:0 2px 6px #142d1510}.titlebar{height:51px;background:var(--green);color:#fff;display:flex;align-items:center;padding:0 25px;gap:30px}.brand,.footer-brand{font-size:25px;font-weight:850;letter-spacing:-1.4px;text-decoration:none;color:inherit;white-space:nowrap}.brand span,.footer-brand span{color:var(--purple)}.book-title{display:flex;gap:7px;align-items:center;font-size:12px;letter-spacing:.02em}.file-icon{background:#fff2;border:1px solid #ffffff60;width:23px;height:26px;text-align:center;font-weight:700;line-height:24px;margin-right:5px}.extension{opacity:.65;margin-left:-7px}.title-divider{opacity:.4;margin:0 8px}.title-note{opacity:.72}.title-download{margin-left:auto;color:#fff;font-size:12px;text-decoration:none;border:1px solid #ffffff50;padding:4px 13px;border-radius:4px}.title-download:hover{background:#fff2}.ribbon-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);padding:0 17px;overflow-x:auto;scrollbar-width:thin}.ribbon-tabs a{padding:8px 15px 6px;text-decoration:none;font-size:13px;white-space:nowrap;color:#304c3c;border-bottom:3px solid transparent}.ribbon-tabs a[aria-current],.ribbon-tabs a:hover{color:var(--accent);border-bottom-color:var(--accent);background:#e8efe6}.ribbon{display:flex;height:98px;padding:9px 22px 5px;gap:16px;border-bottom:1px solid var(--line)}.ribbon-group{display:flex;gap:7px;border-right:1px solid var(--line);position:relative;padding:0 18px 19px 0}.ribbon-action{display:flex;gap:10px;align-items:center;line-height:1.3;font-size:12px;color:#304439;text-decoration:none;padding:5px 9px;border:1px solid transparent;border-radius:3px}.ribbon-action:hover{border-color:#a6c0ac;background:#e6eee5}.ribbon-icon{font-size:30px;color:var(--accent);line-height:1}.code-icon{font-size:24px}.group-label{position:absolute;bottom:0;left:0;right:18px;text-align:center;font-size:10px;color:#768278}.ribbon-caption{margin:auto 0 auto auto;font-size:12px;color:#6c786f;line-height:1.7}.ribbon-caption strong{font-weight:500;color:#344f3c}.ready-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#448d56;vertical-align:middle;margin-right:7px}.formula-bar{display:flex;align-items:center;gap:16px;height:36px;padding:4px 12px;background:#edf1eb;font-size:12px}.cell-name{background:white;border:1px solid var(--line);width:86px;text-align:center;height:26px;line-height:24px;font-family:var(--mono)}.formula-fx{font-style:italic;color:#7a877e;font-size:19px}.formula-text{background:white;border:1px solid var(--line);flex:1;padding:2px 12px;font:12px/20px var(--mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.formula-tag{font:10px var(--mono);color:#708075;padding-right:10px}.column-headings{display:grid;grid-template-columns:38px repeat(12,1fr);height:25px;background:#edf1eb;border-bottom:1px solid #bdc9bf;font:11px/24px var(--body);text-align:center;color:#778779}.column-headings span{border-right:1px solid #d2dcd0}.column-headings span:nth-child(3){color:var(--green);background:#dcebdd;border-bottom:2px solid var(--green)}
.workspace{position:relative;min-height:calc(100vh - 250px);background-image:linear-gradient(#dce4db8c 1px,transparent 1px),linear-gradient(90deg,#dce4db8c 1px,transparent 1px);background-size:calc((100vw - 38px)/12) 32px;background-position:38px 0;padding-left:38px;padding-bottom:80px}.row-headings{position:absolute;top:0;bottom:0;left:0;width:38px;border-right:1px solid #bdc9bf;background:#edf1eb;text-align:center;overflow:hidden;color:#778779;font:11px/32px var(--body)}.row-headings span{display:block;height:32px;border-bottom:1px solid #d2dcd0}.wrap{max-width:1400px;padding:0 5.3%;margin:0 auto}.sheet,.tool{padding:35px 0 44px;scroll-margin-top:260px}.sheet-meta{display:flex;justify-content:space-between;gap:15px;font:10px/1.5 var(--mono);letter-spacing:.08em;color:#6a7f6e;margin-bottom:27px}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:6%;align-items:center}.eyebrow{font-size:13px;color:#4c6654;margin-bottom:19px}.selected-cell{border:2px solid var(--accent);padding:18px 22px 24px;margin-left:-24px;position:relative;background:#fbfcf9e8}.selected-cell h1 span{color:var(--accent)}.selection-handle{position:absolute;width:8px;height:8px;background:var(--accent);bottom:-5px;right:-5px;border:1px solid #fff}.lede{font-size:17px;line-height:1.7;color:var(--muted);max-width:760px;margin:20px 0 26px;background:#fbfcf9e6}.hero-copy>.lede{max-width:480px;font-size:16px}.hero-actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:25px;padding:12px 21px;background:var(--green);color:#fff;border:1px solid var(--green);font:600 13px var(--body);text-decoration:none;cursor:pointer;border-radius:2px}.btn:hover{background:#287c50}.text-link{font-size:13px;text-underline-offset:5px}.preview-sheet{background:#fff;border:1px solid #b6cbb8;box-shadow:9px 9px 0 #dfe8dc80;transform:rotate(-2deg)}.preview-title{display:flex;justify-content:space-between;background:#edf3e9;border-bottom:1px solid #b6cbb8;padding:12px 16px;font:11px var(--mono);color:#4b6d50}.preview-cols,.preview-row{display:grid;grid-template-columns:30px 1fr 95px}.preview-cols{background:#f1f5ee;font-size:10px;letter-spacing:.06em;color:#6b816d}.preview-cols span,.preview-row>span{padding:9px 10px;border-right:1px solid #e0e7dc;border-bottom:1px solid #e0e7dc}.preview-cols span:first-child,.preview-row>span:first-child{padding-left:0;padding-right:0;text-align:center;color:#8a9b89;background:#f7f9f4}.preview-row{font-size:12px}.preview-row>span:last-child{color:var(--accent);background:#f3f8ee;font-size:10px}.preview-result{background:#e5efde;padding:23px 23px 19px}.preview-result>span{display:block;font:10px var(--mono);color:#5f785c;text-transform:uppercase;margin-bottom:10px}.preview-result strong{display:block;font-size:24px;letter-spacing:-1px}.preview-result small{color:#5b745b}.preview-note{font-size:10px;color:#7c8d7a;padding:9px 16px;margin:0}.facts{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #cbd8c7;margin-top:42px;background:#f5f8efe8}.facts>div{padding:15px 22px;border-right:1px solid #cbd8c7}.facts>div:last-child{border:0}.facts strong{font-size:32px;font-weight:600;letter-spacing:-1px;display:block;color:#284d32;line-height:1.2}.facts span{font-size:11px;color:#63785e}.home-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:18px;font-size:11px;color:#778473}.home-bottom a{text-underline-offset:3px}
.catalog{margin:30px 0 20px;background:#fff;border:1px solid var(--line)}.catalog-head,.catalog-row{display:grid;grid-template-columns:60px 1fr 140px 45px;align-items:center}.catalog-head{background:var(--green);color:#fff;font:11px var(--mono);padding:9px 0}.catalog-row{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line);min-height:76px}.catalog-row:last-child{border:0}.catalog-row:hover{background:#e9f2e5;box-shadow:inset 3px 0 var(--green)}.catalog-row>*,.catalog-head>*{padding:10px 18px}.catalog-row>span:first-child{font:12px var(--mono);color:#7a8b78}.catalog-row strong{font-size:17px;font-weight:550}.row-type{font-size:12px;color:#6d806a}.row-open{color:var(--accent)}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:35px 0}.download-card{background:#fff;border:1px solid var(--line);padding:30px;color:var(--ink);text-decoration:none}.download-card:hover{border-color:var(--accent);background:#f2f7ed}.download-card h3{margin:24px 0 12px}.download-card p{color:var(--muted)}.download-card strong{color:var(--accent);font-size:13px}.card-icon{font-size:32px;color:var(--accent)}.install-steps{list-style:none;counter-reset:steps;padding:0;margin:30px 0}.install-steps li{counter-increment:steps;position:relative;padding:27px 28px 17px 85px;background:#fffffff0;border:1px solid var(--line);margin-bottom:12px}.install-steps li:before{content:'0' counter(steps);position:absolute;left:25px;top:23px;font:28px var(--mono);color:#6d966a}.install-steps h3{margin-bottom:12px}.install-steps p{max-width:850px}.faq{background:#fffffff2;border:1px solid var(--line);padding:20px 24px;margin-bottom:12px}.faq summary{font-size:17px;font-weight:600;cursor:pointer}.faq p{margin:18px 0 0;max-width:850px}
.tool-head{display:flex;align-items:flex-start;gap:22px}.tool-head .num{font:15px var(--mono);padding:9px 12px;background:#e0ecd9;border:1px solid #bed0b7;color:var(--accent);margin-top:8px}.tool-head h2{max-width:900px}.tool-head .lede{margin-top:0}.video{margin:0 0 30px}.video video{display:block;width:100%;aspect-ratio:16/9;max-height:540px;background:#112218;border:1px solid var(--line)}.video figcaption{font-size:12px;color:var(--muted);margin-top:8px}.two{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:26px;background:#fbfcf9ed}.two>*{min-width:0}.two h3{font-size:15px;color:var(--accent);margin:0 0 12px}.ba h3:not(:first-child){margin-top:22px}.pts ul{padding-left:19px}.pts li{margin-bottom:8px}.req{font-size:13px;color:var(--muted)}.cfgbox{padding:16px 20px;background:white;border:1px solid var(--line);margin-bottom:25px;overflow-x:auto}.cfgbox summary{font-weight:600;cursor:pointer}.cfg{width:100%;border-collapse:collapse;margin-top:15px;font-size:13px}.cfg th,.cfg td{text-align:left;padding:8px 12px;border:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}.cfg th{background:#e7eee2}.cfgbox h4{margin-bottom:8px}.codetitle{font-size:16px;line-height:1.6;overflow-wrap:anywhere}.codehint{font-size:13px;color:var(--muted);margin:10px 0}.adapt{color:#9f660b;background:#fff0cd;padding:2px 5px}.code{background:#15251c;color:#dde8de;border:1px solid #304a37;min-width:0}.codebar{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:12px 18px;border-bottom:1px solid #ffffff20;font:12px var(--mono)}.fname{color:#fff;overflow-wrap:anywhere}.flines{margin-right:auto;color:#9ab597}.codebar .btn{padding:7px 12px;font-size:12px}.btn.ghost{color:#dce9d9;background:transparent;border-color:#779578}.btn.ok{background:#e0efd7;color:#264b2d}.code pre{overflow:auto;margin:0;padding:22px;max-height:510px;font:13px/1.6 var(--mono);tab-size:4}.code pre code{font-size:inherit}.codenote{padding:10px 18px;color:#9bb897}.vba .cm{color:#a1bea3;font-style:italic}.vba .st{color:#f0c987}.vba .kw{color:#8ad1ff}.vba .ad{color:#ffb347;font-weight:500}.util .lede{margin-bottom:25px}footer{display:flex;gap:24px;align-items:center;border-top:1px solid var(--line);padding:20px 0 15px;font-size:11px;color:#6a7b68}footer>a:last-child{margin-left:auto}.footer-brand{font-size:21px;color:var(--ink)}.workbook-bottom{position:fixed;bottom:0;left:0;right:0;z-index:11;background:#f0f4ed}.sheet-tabs{display:flex;overflow-x:auto;padding-left:38px;border-top:1px solid #bbcdb6;scrollbar-width:thin}.sheet-tabs a{white-space:nowrap;text-decoration:none;color:#566b50;border-right:1px solid #d6e0d1;padding:9px 20px;font-size:12px;border-bottom:3px solid transparent}.sheet-tabs a[aria-current]{background:var(--paper);color:var(--accent);border-bottom-color:var(--accent);font-weight:700}.sheet-tabs a:hover{background:#e0ebda}.statusbar{display:flex;justify-content:space-between;padding:4px 20px;font-size:10px;color:#597153;border-top:1px solid #d5dfce}.status-separator{color:#b3c1ab;margin:0 12px}.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);background:var(--green);color:white;padding:12px 25px;z-index:20;opacity:0;pointer-events:none;transition:opacity .2s}.toast.on{opacity:1}[hidden]{display:none!important}
@media(min-width:1500px){.hero{gap:10%}.preview-sheet{max-width:440px}.hero-copy>.lede{max-width:560px}}
@media(max-width:1000px){.title-note,.title-divider,.ribbon-caption{display:none}.hero{gap:30px;grid-template-columns:1.3fr 1fr}h1{font-size:68px}.wrap{padding:0 4%}.selected-cell{padding-left:16px;margin-left:-18px}.preview-cols,.preview-row{grid-template-columns:25px 1fr 78px}.preview-row>span{padding:8px 6px}.preview-row{font-size:11px}.preview-result strong{font-size:21px}.facts>div{padding:15px}.sheet-tabs a{padding:9px 15px}}
@media(max-width:700px){.titlebar{height:46px;padding:0 14px;gap:15px}.brand{font-size:23px}.book-title{margin-left:auto;font-size:10px}.file-icon,.extension,.title-download{display:none}.ribbon-tabs{padding:0 5px;gap:0}.ribbon-tabs a{padding:8px 12px 6px;font-size:12px}.ribbon{height:87px;padding:7px 8px 4px;gap:9px;overflow-x:auto}.ribbon-group{padding-right:9px;gap:1px;flex-shrink:0}.ribbon-action{font-size:10px;padding:4px 6px;gap:6px}.ribbon-icon{font-size:25px}.group-label{font-size:9px}.formula-tag{display:none}.formula-bar{gap:10px}.cell-name{width:58px}.formula-text{font-size:10px}.column-headings{grid-template-columns:28px repeat(6,1fr)}.column-headings span:nth-child(n+8){display:none}.workspace{padding-left:28px;background-size:calc((100vw - 28px)/6) 32px;background-position:28px 0}.row-headings{width:28px}.wrap{padding:0 20px}.sheet,.tool{padding:25px 0 30px;scroll-margin-top:240px}.sheet-meta{font-size:9px;margin-bottom:23px}.sheet-meta>span:last-child{display:none}.hero{grid-template-columns:1fr;gap:30px}.eyebrow{font-size:12px}h1{font-size:clamp(52px,11vw,76px)}.selected-cell{margin-left:0;padding:15px}.hero-copy>.lede{font-size:15px}.hero-actions{gap:18px}.btn{padding:12px 16px}.preview-sheet{transform:none;margin:5px 3px}.preview-cols,.preview-row{grid-template-columns:28px 1fr 98px}.preview-row{font-size:12px}.preview-result{padding:17px 20px}.facts{grid-template-columns:1fr 1fr;margin-top:28px}.facts>div{border-bottom:1px solid #cbd8c7;padding:15px}.facts>div:nth-child(2){border-right:0}.facts>div:nth-child(3){border-bottom:0}.facts strong{font-size:29px}.facts span{font-size:10px}.home-bottom{flex-direction:column;gap:6px}.two,.download-grid{grid-template-columns:1fr;gap:18px}.catalog-head,.catalog-row{grid-template-columns:36px 1fr 30px}.catalog-row .row-type,.catalog-head>span:nth-child(3){display:none}.catalog-row>*,.catalog-head>*{padding:10px 7px}.catalog-row strong{font-size:14px}.install-steps li{padding:22px 17px 12px 57px}.install-steps li:before{left:14px;font-size:23px}.tool-head{gap:12px}.tool-head .num{font-size:12px;padding:7px}.tool-head h2{font-size:32px}.lede{font-size:15px}.sheet-tabs{padding-left:28px}.sheet-tabs a{font-size:11px;padding:9px 14px}.statusbar{padding:4px 10px;font-size:9px}.status-right{display:none}footer{flex-wrap:wrap;gap:10px;font-size:10px}footer>span{flex-basis:100%;order:3}.codebar{padding:12px;gap:8px}.code pre{font-size:12px;padding:15px}.cfg th,.cfg td{padding:7px}.faq{padding:16px}.faq summary{font-size:16px}}
@media(max-width:700px){h1{font-size:clamp(42px,10.5vw,68px)}.ribbon,.ribbon-tabs,.sheet-tabs{scrollbar-width:none}.ribbon::-webkit-scrollbar,.ribbon-tabs::-webkit-scrollbar,.sheet-tabs::-webkit-scrollbar{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}