:root{--paper:#f5f3eb;--ink:#253c30;--muted:#70786d;--line:#d8dccf;--sage:#dbe3ce;--deep:#274632;--accent:#d2ee8d;--warn:#9f4a2d;--white:#fffefb;--monitor:#a4b8c8;--keyboard:#e5dac3;--mouse:#b8c99e;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.4}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #768d46;outline-offset:4px}button,input{border-radius:5px}button{border:0}input{min-width:0}button:hover{filter:brightness(.97)}.wrap{width:min(1260px,calc(100% - 96px));margin-inline:auto}.skip-link{position:absolute;top:-80px;left:16px;background:var(--ink);color:white;padding:12px;z-index:9}.skip-link:focus{top:12px}.site-header{height:96px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:28px}.brand{font-size:17px;font-weight:800;letter-spacing:.5px;display:inline-flex;align-items:center;gap:7px;white-space:nowrap}.brand-light{font-weight:400;letter-spacing:2px}.brand-mark{height:29px;width:29px;display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:var(--paper);font-size:24px;border-radius:50%;font-family:Georgia,serif;line-height:1;letter-spacing:-3px;margin-right:5px;padding-right:3px}.brand-mark span{font-family:Arial,sans-serif;font-size:18px}.site-header nav{display:flex;gap:30px;font-size:13px}.site-header nav a{padding-block:14px}.site-header nav .active{border-bottom:1px solid var(--ink)}.edition{font:10px monospace;letter-spacing:1.2px;color:var(--muted)}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;padding:58px 0 59px}.eyebrow,.section-number{font:10px/1.5 monospace;letter-spacing:1.8px;font-weight:500}.eyebrow{display:flex;align-items:center;gap:9px;margin:0 0 21px}.tiny-cross{font-size:20px;line-height:10px}h1,h2,h3,p{margin:0}h1{font:normal clamp(42px,5.6vw,74px)/1.04 Georgia,'Times New Roman',serif;letter-spacing:-2.8px}h1 em{font-weight:normal;color:#6c7d50}h2{font:normal 32px/1.18 Georgia,'Times New Roman',serif;letter-spacing:-.6px}.hero-aside{padding-top:44px;max-width:390px;justify-self:end}.hero-aside>p{font-size:17px;line-height:1.6;color:#68715f}.hero-facts{display:flex;gap:14px;font-size:10px;color:var(--muted);margin-top:26px;white-space:nowrap}.hero-facts span:first-child{color:var(--ink)}.hero-facts i{display:inline-block;width:6px;height:6px;background:#7b9255;border-radius:100%;margin-right:4px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.section-number{display:block;color:var(--muted);margin-bottom:11px}.save-status{font:10px monospace;color:var(--muted);display:flex;align-items:center;gap:7px}.save-status:before{content:'';width:6px;height:6px;background:#7d9255;border-radius:100%}.workbench{border:1px solid var(--line);display:grid;grid-template-columns:300px minmax(0,1fr);border-radius:9px;overflow:hidden;background:var(--white)}.controls{padding:25px 22px 20px;border-right:1px solid var(--line);background:#fcfbf6}.controls-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:9px}h3{font-size:14px;font-weight:600}.unit-switch{display:flex;border:1px solid var(--line);padding:2px;border-radius:5px;gap:2px}.unit-switch button{font-size:11px;background:transparent;padding:5px 9px}.unit-switch button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.muted{color:var(--muted)}.small{font-size:11px;line-height:1.55}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field-grid label,.name-label{font-size:10px;color:#606d61;line-height:1.5;display:block}.field-grid label>span{float:right;color:#92998e;font-size:9px}.field-grid input,#setup-name{width:100%;border:1px solid #d7dbcf;background:white;color:var(--ink);padding:9px 10px;height:36px;font-size:12px;display:block;margin-top:4px}.field-grid input:invalid{border-color:#b8623a;background:#fff8f2}.desk-fields{margin:15px 0 7px}.control-divider{height:1px;background:var(--line);margin:21px 0}.text-button{font-size:10px;text-decoration:underline;text-underline-offset:3px;background:transparent;padding:3px 0;white-space:nowrap}#setup-name{margin-bottom:17px;font-size:11px}.object-control{border-top:1px solid var(--line);padding:13px 0}.object-control:last-child{padding-bottom:0}.object-control summary{font-size:11px;font-weight:600;cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px}.object-control summary::-webkit-details-marker{display:none}.object-control summary:after{content:'+';margin-left:auto;font-size:15px;color:var(--muted)}.object-control[open] summary:after{content:'−'}.object-control summary i{height:9px;width:9px;border-radius:2px}.object-control .field-grid{margin-top:12px;row-gap:9px}.object-control .field-grid input{height:32px;padding:6px 8px}.object-hint{font-size:9px;line-height:1.5;color:var(--muted);margin-top:9px}.control-hint{font-size:10px;line-height:1.7;color:var(--muted);margin-top:20px}.canvas-side{min-width:0;display:flex;flex-direction:column}.scenario-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);background:#f9faf4}.scenario-tabs button{border-radius:0;background:transparent;text-align:left;padding:21px 24px 20px;font-size:13px;font-weight:600;position:relative}.scenario-tabs button+button{border-left:1px solid var(--line)}.scenario-tabs button>span{font:8px monospace;letter-spacing:1.7px;display:block;margin-bottom:6px;color:var(--muted)}.scenario-tabs button[aria-pressed=true]{background:#edf1e1}.scenario-tabs button[aria-pressed=true]:after{content:'';height:3px;background:#6f854b;position:absolute;bottom:0;left:0;right:0}.canvas-top{display:flex;justify-content:space-between;align-items:center;padding:25px 29px 0;font-size:12px;font-weight:600;gap:20px}.view-label{font:8px monospace;letter-spacing:1.1px;white-space:nowrap;color:var(--muted)}.view-label>span{font-size:14px;margin-right:5px}.desk-stage{position:relative;padding:12px 12px 33px;display:flex;align-items:center;justify-content:center;min-height:355px;flex:1;background-image:radial-gradient(#d5dacb .7px,transparent .7px);background-size:15px 15px;background-position:0 7px;margin:17px 20px 0;border-radius:4px}#desk-svg{width:100%;height:340px;overflow:visible;touch-action:pan-y}.front-label{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);font:8px monospace;letter-spacing:1.5px;color:#8a9382;white-space:nowrap}.front-label>span{margin-left:10px}.desk-object{cursor:grab;touch-action:none}.desk-object:active{cursor:grabbing}.desk-object:focus{outline:none}.desk-object:focus .object-shape{stroke:#304e23;stroke-width:1.2;stroke-dasharray:2 1}.desk-object .object-shape{transition:fill .1s}.legend{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;padding:17px 12px;font-size:9px;color:#647260}.legend span{display:flex;align-items:center;gap:5px}.legend i{width:8px;height:8px;border-radius:2px;display:inline-block}.monitor-dot{background:var(--monitor)}.keyboard-dot{background:var(--keyboard)}.mouse-dot{background:var(--mouse)}.legend-warning i{background:#d58e71}.legend-warning{color:var(--warn)!important}.verdict{margin:3px 27px 0;border:1px solid #d7e2c5;background:#f0f5e8;border-radius:5px;padding:17px 18px;display:flex;gap:12px;align-items:flex-start;min-height:79px}.verdict.is-warning{border-color:#e8ccba;background:#fbf1e7}.verdict-icon{height:24px;width:24px;border-radius:50%;background:#dfeacb;display:flex;align-items:center;justify-content:center;flex:none;font-size:13px}.is-warning .verdict-icon{background:#edceb8;color:var(--warn)}.verdict strong{font-size:12px;display:block;margin-bottom:5px}.verdict p{font-size:11px;line-height:1.55;color:#65735a}.verdict.is-warning p{color:#8d654f}.model-note{font-size:10px;line-height:1.65;color:#88907e;margin:16px 28px 24px}.model-note strong{color:#68735f;font-weight:normal}.tool-actions{display:flex;justify-content:space-between;align-items:center;padding-top:18px;gap:16px}.tool-actions>div{display:flex;gap:9px}.button{padding:12px 17px;font-size:11px;display:inline-flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap}.button-dark{background:var(--ink);color:white}.button-light{background:transparent;border:1px solid #bfc7b4}.action-feedback{min-height:18px;font-size:11px;color:#597241;padding-top:9px}.comparison{padding-top:46px}.comparison-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.comparison-card{background:var(--white);border:1px solid var(--line);border-radius:7px;padding:22px;position:relative}.comparison-card.active{border-color:#6f854b;box-shadow:0 0 0 1px #6f854b}.card-kicker{font:8px monospace;letter-spacing:1.6px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;gap:10px}.card-badge{font:9px Arial,sans-serif;letter-spacing:0;background:#edf3e3;padding:5px 7px;border-radius:3px;color:#526d35}.card-badge.warning{background:#f7eadd;color:var(--warn)}.comparison-card h3{font-size:14px;margin:13px 0;overflow-wrap:anywhere;line-height:1.4}.miniature{height:112px;width:100%;display:block;margin:3px 0 16px}.card-stat{display:flex;align-items:baseline;gap:8px}.card-stat strong{font:normal 32px Georgia,serif;letter-spacing:-1px}.card-stat span{font-size:10px;color:var(--muted)}.free-bar{height:5px;background:#eceee5;border-radius:8px;overflow:hidden;margin-top:9px}.free-bar>span{display:block;height:100%;background:#a6b88c;border-radius:8px}.card-issue{font-size:10px;line-height:1.65;color:var(--muted);min-height:36px;margin:12px 0 15px}.edit-layout{width:100%;padding:9px;background:#f1f3e9;font-size:10px;border:1px solid #dce1d0}.calculation-note{font-size:10px;color:var(--muted);line-height:1.6;margin-top:17px;max-width:900px}.examples{margin-top:62px;padding:33px;border:1px solid var(--line);border-radius:8px;background:#e9eddf;display:grid;grid-template-columns:1fr 1.6fr;gap:36px;align-items:center}.examples h2{font-size:29px}.examples p{font-size:12px;line-height:1.7;margin-top:13px;max-width:320px}.example-grid{display:grid;gap:8px}.example-card{text-align:left;display:grid;grid-template-columns:33px 1fr 18px;column-gap:10px;align-items:center;background:#f7f8f1;padding:14px 17px;border:1px solid #d7ddca;border-radius:5px}.example-icon{grid-row:1/3;font-size:32px;line-height:1;color:#819563}.example-card strong{font-size:11px;line-height:1.4;font-weight:600}.example-card>span:not(.example-icon):not(.example-arrow){font-size:10px;color:var(--muted);grid-column:2;margin-top:3px}.example-arrow{grid-column:3;grid-row:1/3}.explainer{padding-top:77px;padding-bottom:73px;display:grid;grid-template-columns:1fr 1.3fr;gap:100px}.explainer h2{font-size:36px;line-height:1.2}.explainer>div>p{font-size:12px;line-height:1.9;color:var(--muted);max-width:330px;margin-top:22px}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq details:first-child{padding-top:0}.faq summary{cursor:pointer;list-style:none;font-size:12px;font-weight:600;display:flex;justify-content:space-between;gap:20px;line-height:1.5}.faq summary:after{content:'+';font-weight:normal}.faq details[open] summary:after{content:'−'}.faq p{font-size:12px;line-height:1.8;color:var(--muted);padding-top:13px;padding-right:25px}.site-footer{border-top:1px solid var(--line);display:flex;align-items:center;gap:32px;padding-block:28px}.site-footer .brand{font-size:12px}.site-footer p{font-size:10px;color:var(--muted)}.site-footer>div{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:10px}.notice{background:#f8e7cf;border:1px solid #e5cbae;padding:13px;margin-bottom:15px;font-size:12px;line-height:1.6;border-radius:5px}.share-fallback{margin-top:15px;display:flex;align-items:center;gap:12px;background:#e8eedb;padding:14px;border-radius:5px}.share-fallback label{font-size:11px;flex:none}.share-fallback input{flex:1;border:1px solid var(--line);padding:8px;font-size:11px}.share-fallback[hidden],.notice[hidden]{display:none}
@media(min-width:1500px){.hero{padding-block:72px}.hero-aside{max-width:420px}.desk-stage{min-height:370px}}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.edition{display:none}.hero{gap:35px}.hero-aside{max-width:340px}.hero-facts{flex-wrap:wrap;row-gap:8px}.workbench{grid-template-columns:270px minmax(0,1fr)}.controls{padding:21px 17px}.scenario-tabs button{padding-inline:17px;font-size:11px}.view-label{display:none}.canvas-top{padding-inline:20px}.desk-stage{margin-inline:10px;min-height:320px}#desk-svg{height:285px}.verdict{margin-inline:18px}.model-note{margin-inline:18px}.tool-actions>span{max-width:260px}.legend{gap:10px;font-size:8px}.examples{gap:25px;padding:26px}.explainer{gap:55px}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.site-header{height:75px;gap:15px}.brand{font-size:14px}.brand-mark{width:24px;height:24px;font-size:21px}.site-header nav{gap:16px;font-size:11px}.hero{grid-template-columns:1fr;gap:24px;padding:35px 0 40px}.hero h1{font-size:53px;letter-spacing:-2px}.eyebrow{font-size:9px;margin-bottom:17px}.hero-aside{padding:0;justify-self:start;max-width:450px}.hero-aside>p{font-size:14px}.hero-facts{margin-top:15px;font-size:9px}.section-heading h2{font-size:27px}.section-heading{align-items:start;gap:15px;margin-bottom:18px}.section-number{font-size:8px;letter-spacing:1.3px;margin-bottom:8px}.save-status{font-size:8px;margin-top:24px;white-space:nowrap}.workbench{display:flex;flex-direction:column}.canvas-side{order:0}.controls{order:1;border-right:0;border-top:1px solid var(--line);display:block;padding:23px}.controls>p.small,.desk-fields{max-width:450px}.controls-top{max-width:none}.scenario-tabs button{padding:15px;font-size:11px}.scenario-tabs button>span{font-size:7px}.canvas-top{padding-top:19px}.desk-stage{min-height:255px;max-height:300px;margin-top:9px}#desk-svg{height:248px}.front-label{font-size:7px}.legend{font-size:8px;padding:12px 10px;gap:12px}.verdict{margin-top:2px;padding:13px;min-height:70px}.model-note{font-size:9px;line-height:1.6;margin-block:13px 18px}.object-control .field-grid{grid-template-columns:repeat(4,1fr)}.object-control .field-grid label{font-size:9px}.object-control .field-grid input{font-size:11px}.controls .control-hint{margin-top:15px;font-size:10px}.name-label{display:block}#setup-name{max-width:450px}.tool-actions{flex-direction:column;align-items:start;gap:12px;padding-top:15px}.tool-actions>span{max-width:none;font-size:10px}.tool-actions>div{width:100%}.button{flex:1;justify-content:center;padding:13px 10px;font-size:10px}.comparison{padding-top:32px}.comparison>.section-heading{display:block}.comparison .section-heading>p{margin-top:10px;font-size:10px}.comparison .section-heading>p>br{display:none}.comparison-grid{gap:9px}.comparison-card{padding:13px 10px}.card-kicker{font-size:7px;letter-spacing:1px;display:block}.card-badge{display:inline-block;font-size:8px;padding:4px 5px;margin-top:8px}.comparison-card h3{font-size:11px;min-height:32px;margin:9px 0}.miniature{height:75px;margin:0 0 10px}.card-stat{display:block}.card-stat strong{font-size:27px}.card-stat span{font-size:8px;display:block;margin-top:4px}.card-issue{font-size:9px;min-height:52px;line-height:1.5;margin-block:10px}.edit-layout{font-size:9px;padding:9px 4px}.calculation-note{font-size:9px}.examples{grid-template-columns:1fr;gap:21px;margin-top:40px;padding:24px}.examples p{max-width:100%;font-size:11px}.examples h2{font-size:28px}.explainer{grid-template-columns:1fr;gap:29px;padding-top:46px;padding-bottom:42px}.explainer h2{font-size:31px}.explainer>div>p{max-width:100%;margin-top:17px;font-size:11px}.faq details{padding-block:16px}.faq summary,.faq p{font-size:11px}.site-footer{display:flex;flex-wrap:wrap;gap:12px;padding-block:23px}.site-footer p{font-size:9px}.site-footer>div{width:100%;margin:5px 0 0;justify-content:space-between;font-size:10px}.share-fallback{flex-wrap:wrap}.share-fallback label{width:100%}.share-fallback input{min-width:0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.export-fallback{margin-top:14px;padding:12px 15px;border:1px solid var(--line);border-radius:5px;font-size:11px;line-height:1.6;background:#edf1e3}.export-fallback a{text-decoration:underline;text-underline-offset:3px;font-weight:600}.export-fallback[hidden]{display:none}

/* Keep the planning surface close to the first screen. */
.hero{padding-block:34px 35px;gap:55px}.hero h1{font-size:clamp(42px,4.7vw,64px)}.hero-aside{padding-top:20px}.workbench-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:-5px 0 15px;font-size:12px;color:#5e715a}.workbench-toolbar>div{display:flex;align-items:center;gap:18px}.workbench-toolbar a{text-decoration:underline;text-underline-offset:4px}.workbench-toolbar button{padding:10px 13px;border:1px solid #c4ceba;background:#f7f8f1;font-size:11px}.field-grid label,.name-label{font-size:12px}.field-grid input,#setup-name{font-size:14px;height:40px}.object-control summary{font-size:13px}.object-hint{font-size:11px}.verdict strong{font-size:14px}.verdict p{font-size:12px}.model-note{font-size:11px}.control-hint{font-size:11px}.small{font-size:12px}.object-control .field-grid input{font-size:13px;height:36px}#measurements{scroll-margin-top:20px}
@media(max-width:760px){.hero{padding-block:26px;gap:17px}.hero h1{font-size:44px}.hero-aside{padding:0}.hero-aside>p{font-size:13px}.hero-facts{margin-top:10px}.workbench-toolbar{display:block;font-size:12px}.workbench-toolbar p{margin:0 0 10px;line-height:1.6}.workbench-toolbar>div{justify-content:space-between}.object-control .field-grid{grid-template-columns:repeat(2,1fr)}.object-control .field-grid label{font-size:12px}.object-control .field-grid input,.field-grid input,#setup-name{font-size:16px;height:42px}.scenario-tabs button{font-size:12px;padding:14px 10px}.save-status{white-space:normal;max-width:105px;text-align:right;font-size:10px}.section-heading h2{font-size:25px}.verdict strong{font-size:13px}.verdict p{font-size:12px}.model-note{font-size:11px}.hero-facts{font-size:10px}.site-header nav{gap:12px;font-size:11px}.brand-mark{display:none}.legend{font-size:10px}.button{font-size:12px}.comparison-grid{grid-template-columns:1fr}.comparison-card{padding:20px}.card-kicker{display:flex}.card-badge{margin:0}.comparison-card h3{min-height:0;font-size:16px}.miniature{height:145px}.card-stat{display:flex}.card-stat span,.card-issue,.edit-layout{font-size:12px}.card-issue{min-height:0}.edit-layout{padding:12px}.comparison-card .card-stat strong{font-size:32px}.text-button{font-size:12px}.faq summary,.faq p{font-size:13px}.calculation-note{font-size:12px}.canvas-top{font-size:13px}}

.export-snapshot{margin-top:20px;padding:20px;border:1px solid var(--line,#d8d8cc);border-radius:12px;background:#f5f3e9}.export-snapshot h3{font-size:20px;margin-top:0}.export-snapshot p,.export-snapshot a,.export-snapshot label{font-size:14px;line-height:1.6}.export-snapshot label{display:block;margin:16px 0 6px}.export-drawing{overflow:auto;margin:16px 0}.export-drawing svg{display:block;min-width:700px;width:100%;height:auto}.export-snapshot textarea{width:100%;box-sizing:border-box;font:14px/1.5 monospace;padding:12px;border:1px solid #c4c9b8;background:#fff}.export-snapshot button{margin-top:12px;padding:10px 14px;border:1px solid #85967e;border-radius:6px;background:#e6ebde;color:#284535}