:root{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#483e3d;background:#f8f1e8;--ink:#483e3d;--green:#9c553e;--muted:#82746c;--line:#dfd4c7;--amber:#b76a3d;font-synthesis:none;color-scheme:light}*{box-sizing:border-box}body{margin:0}a{color:var(--green);text-underline-offset:4px}input,select,button,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}a,button,input,select{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ac6721;outline-offset:4px}.wrap{width:min(1140px,calc(100% - 48px));margin-inline:auto}.skip{position:absolute;top:-80px;left:16px;padding:14px;background:white;z-index:10}.skip:focus{top:10px}.header{display:flex;justify-content:space-between;align-items:center;gap:22px;padding:25px 0;border-bottom:1px solid var(--line)}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;font-size:25px;letter-spacing:-1px;font-weight:750;color:var(--ink);min-width:0}.brand img{width:35px;height:35px;flex:none}.header nav,.footer nav{display:flex;flex-wrap:wrap;gap:24px}.header nav a{font-size:12px;text-decoration:none;font-weight:650;color:var(--ink)}.header nav a:hover{text-decoration:underline}.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:55px;align-items:center;padding:52px 0 46px}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.15em;font-weight:800;color:var(--green);margin:0 0 18px}.hero h1{font:400 clamp(44px,5vw,65px)/1.05 Georgia,serif;letter-spacing:-.05em;margin:0 0 22px}.hero h1 em{font-weight:400;color:#8a6f48}.lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:660px}.tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:21px}.tags span{font-size:10px;padding:8px 11px;border:1px solid var(--line);border-radius:3px;background:#fffdf5}.hero-art{background:#eee4d8;border:1px solid #cdd4c7;padding:16px;border-radius:7px}.hero-art svg{display:block;width:100%;height:auto}.hero-art p{font:10px/1.7 ui-monospace,monospace;color:#66796b;margin:8px 12px}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:19px}.section-head h2{font-size:26px;letter-spacing:-.6px;margin:0}.section-head p{font:10px/1.7 ui-monospace,monospace;color:var(--muted);margin:0}.workspace{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:25px;align-items:start}.workspace>*{min-width:0;max-width:100%}.panel{border:1px solid var(--line);border-radius:8px;background:#fffef9;padding:28px;min-width:0;max-width:100%}.panel h3{font-size:22px;line-height:1.3;letter-spacing:-.5px;margin:0 0 15px}.step{font:10px ui-monospace,monospace;color:#647c68;margin:0 0 17px}.small{font-size:12px;line-height:1.85;color:var(--muted)}.field{display:flex;flex-direction:column;gap:9px;margin:23px 0;font-size:12px;font-weight:700;min-width:0}.field small{font-size:10px;font-weight:400;line-height:1.8;color:var(--muted)}input,select,textarea{width:100%;max-width:100%;min-width:0;min-inline-size:0;min-height:47px;padding:12px;border:1px solid #b4c1b5;border-radius:5px;background:white;color:var(--ink)}.field input{font-size:17px;font-variant-numeric:tabular-nums}.pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:12px;min-width:0}.pair>*{min-width:0}.pair input{font-size:17px}.timing-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.timing-pair .field{margin-block:0 23px}.unit-note{font-size:10px;line-height:1.8;font-weight:400;color:var(--muted);margin:9px 0}.actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:25px}.primary{border:1px solid var(--green);background:var(--green);color:#fffdf5;font-size:13px;font-weight:750;border-radius:5px;min-height:48px;padding:15px 19px}.primary:hover{background:#244640}.text-button{background:none;border:0;text-decoration:underline;color:var(--muted);font-size:12px;padding:9px 0}.error{color:#a03a21;font-size:13px;line-height:1.7;font-weight:650}.error:empty{display:none}.status{font-size:11px;line-height:1.8}.right-column{min-width:0;max-width:100%}.result{background:var(--ink);color:#fffdf4}.result .eyebrow{color:#d7d9a5}.result h3{font-size:13px;font-weight:500;letter-spacing:.02em;margin-bottom:12px}.big-value{font-size:clamp(34px,4vw,47px);font-weight:650;letter-spacing:-1.8px;overflow-wrap:anywhere;margin:0 0 25px;line-height:1.1}.big-value small{font-size:15px;letter-spacing:0;font-weight:400;color:#cbd8ca}.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:21px 17px;margin:0;padding:23px 0;border-block:1px solid #5f7770}.facts div{min-width:0}.facts dt{font-size:10px;line-height:1.7;color:#c9d6ca}.facts dd{font-size:16px;font-weight:600;line-height:1.7;overflow-wrap:anywhere;margin:5px 0 0}.result .small{color:#c9d7cb}.result .notice{border-left:2px solid #d8ac68;padding-left:14px}.table-box{max-width:100%;min-width:0;max-height:310px;overflow:auto;margin-top:20px;border-block:1px solid #5f7770}.timeline{width:100%;table-layout:fixed;border-collapse:collapse;font-size:10px;font-variant-numeric:tabular-nums}.timeline th,.timeline td{text-align:left;padding:10px 5px;overflow-wrap:anywhere;border-bottom:1px solid #5a736b;line-height:1.6}.timeline th{font-weight:650;color:#d7dfc9;background:var(--ink);position:sticky;top:0}.timeline th:first-child{width:14%}.exports{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}.secondary{border:1px solid #adbc9b;border-radius:5px;color:#fffdf5;background:none;padding:11px 13px;font-size:11px;font-weight:650;min-height:42px}.secondary:hover{background:#3b5752}.fallback{margin-top:17px}.fallback label{display:block;font-size:11px;margin-bottom:8px}.fallback textarea{min-height:220px;font:11px/1.7 ui-monospace,monospace}.explainer{padding:29px;border:1px solid #ccd5d2;border-radius:8px;background:#efe6dc}.explainer h3{font:400 29px/1.15 Georgia,serif;letter-spacing:-.8px;margin:0 0 20px}.explainer p{font-size:12px;line-height:1.9;color:#60715f}.formula{font:12px/1.85 ui-monospace,monospace;overflow-wrap:anywhere;background:#f8faf0;border:1px solid #c5d0b8;padding:17px;border-radius:5px;margin:23px 0}.right-column:has(.result:not([hidden])) .explainer{display:none}.scope-note{padding:28px 0 35px;max-width:920px;font-size:12px;line-height:1.85;color:var(--muted)}.how-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;border-top:1px solid var(--line);padding:34px 0 45px}.how-grid h3{font:400 23px/1.2 Georgia,serif;letter-spacing:-.4px;margin:0 0 13px}.how-grid p{font-size:12px;line-height:1.85;color:var(--muted)}.footer{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding:25px 0 35px;font-size:11px;color:var(--muted)}.footer a{color:var(--muted)}.prose{max-width:790px;margin:58px auto 72px;line-height:1.9;overflow-wrap:anywhere}.prose h1{font:400 clamp(39px,4.8vw,57px)/1.06 Georgia,serif;letter-spacing:-.05em;margin:0 0 25px}.prose h2{font-size:24px;line-height:1.25;letter-spacing:-.6px;margin:37px 0 17px}.prose p,.prose li{font-size:14px;color:#596f61}.prose .lead{font-size:17px}.example{padding:21px 24px;background:#e6eadd;border-left:3px solid var(--green);border-radius:0 7px 7px 0;margin:23px 0}.example p:first-child{margin-top:0}.example p:last-child{margin-bottom:0}.noscript{padding:18px;background:#fff1d7;border:1px solid #dbc391;border-radius:6px;margin-bottom:20px;font-size:12px}[hidden]{display:none!important}
@media(max-width:850px){.hero{gap:30px}.hero h1{font-size:53px}.panel{padding:23px}.workspace{gap:20px}.section-head p{max-width:220px;text-align:right}.facts dd{font-size:14px}.hero-art{padding:9px}.explainer{padding:24px}}
@media(max-width:680px){.wrap{width:calc(100% - 32px)}.header{padding-block:19px;gap:15px}.brand{font-size:23px;gap:8px}.brand img{width:31px;height:31px}.header nav{gap:15px}.header nav a{font-size:11px}.header nav a:last-child{display:none}.hero{display:block;padding:35px 0}.hero h1{font-size:49px}.hero .lead{font-size:16px}.hero-art{display:none}.workspace{grid-template-columns:minmax(0,1fr)}.section-head{display:block}.section-head h2{font-size:25px}.section-head p{max-width:none;text-align:left;margin-top:11px}.panel{padding:23px}.facts dd{font-size:15px}.how-grid{grid-template-columns:minmax(0,1fr);gap:15px;padding-block:30px}.footer{display:block}.footer nav{margin-top:17px;gap:20px}.prose{margin-block:38px 56px}.prose h1{font-size:42px}.prose h2{font-size:23px}.prose .lead{font-size:16px}.example{padding:18px}}
@media(max-width:390px){.hero h1{font-size:44px}.header nav{gap:11px}.panel{padding:20px}.pair{grid-template-columns:minmax(0,1fr);gap:9px}.timing-pair{grid-template-columns:minmax(0,1fr);gap:0}.facts dd{font-size:14px}.facts{gap:18px 12px}.big-value{font-size:39px}.actions{gap:13px}.primary{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.measure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 15px;min-width:0}.measure-grid .field{margin:15px 0}.measure-group{border-top:1px solid var(--line);padding-top:18px;margin-top:24px;min-width:0}.measure-group h4{font-size:12px;margin:0 0 4px;letter-spacing:.02em}.axis-card{padding:23px 0;border-block:1px solid #947e72;min-width:0}.axis-card+.axis-card{border-top:0}.axis-card h4{margin:0 0 12px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#e2c8a9}.axis-card .change{font-size:37px;line-height:1.1;letter-spacing:-1px;margin:0 0 10px;overflow-wrap:anywhere}.axis-card .direction{font-size:12px;color:#ecd9c4;margin:0 0 12px}.axis-card .small{margin:8px 0;overflow-wrap:anywhere}.inverse-box{background:#fbf4e8;color:#594b40;border:1px solid #d5bc9e;border-radius:5px;padding:18px;margin-top:18px;min-width:0}.inverse-box h5{font-size:10px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 10px;color:#8d6347}.inverse-box .target{font-size:11px;line-height:1.8;overflow-wrap:anywhere;margin:0 0 8px}.inverse-box .inverse{font-size:23px;line-height:1.4;overflow-wrap:anywhere;margin:0 0 12px;color:#8d4b34;font-weight:650}.inverse-box .small{color:#796858;font-size:10px;line-height:1.9}.area-card{margin:23px 0;padding:18px;border:1px solid #a8957e;border-radius:5px;min-width:0}.area-card h4{margin:0 0 10px;font-size:11px;color:#e5cfb2}.area-card .area-change{font-size:24px;line-height:1.5;overflow-wrap:anywhere;margin:0 0 5px}.area-card .small{margin:8px 0;overflow-wrap:anywhere}.result .small{color:#e4d9cd}.result .secondary:hover{background:#604d46}.switch-note{font-size:11px;line-height:1.85;color:var(--muted)}
@media(max-width:390px){.measure-grid{grid-template-columns:minmax(0,1fr);gap:0}.axis-card .change{font-size:34px}.inverse-box{padding:15px}.inverse-box .inverse{font-size:21px}}

/* Keep conditional-sizing notes readable on their cream card. */
.result .inverse-box p.small{color:#594b40}