*{box-sizing:border-box}body{margin:0;background:#f3f2ec;color:#202a25;font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:14px}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,#viewport:focus-visible{outline:3px solid #d47750;outline-offset:3px}header{height:84px;max-width:1440px;margin:auto;padding:0 52px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #deded5}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;font-size:23px;font-weight:650;letter-spacing:-1px}.brand-icon{display:grid;place-items:center;background:#243d32;color:#f8f5ed;width:35px;height:38px;border-radius:11px 11px 11px 0;font-size:27px;font-family:Georgia,serif}.brand-light{font-weight:350}.header-note{font-size:10px;letter-spacing:1.7px;color:#72776d;display:flex;gap:14px;align-items:center}.dot{width:4px;height:4px;border-radius:50%;background:#a5ac99}main{max-width:1440px;margin:auto;padding:40px 52px 20px}.intro{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.eyebrow{font-size:10px;letter-spacing:2px;color:#798176;margin:0 0 12px;font-weight:600}h1{font-size:36px;letter-spacing:-1.7px;font-weight:450;margin:0;line-height:1.14}.intro-note{color:#798176;line-height:1.7;font-size:12px;margin:0 0 1px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:36px}.stage{background:#e9ece4;border-radius:22px;position:relative;min-height:650px;overflow:hidden;border:1px solid #e1e4db}.stage-top{position:absolute;top:22px;left:24px;right:20px;display:flex;align-items:center;justify-content:space-between;z-index:2;font-size:12px;pointer-events:none}.stage-top button{pointer-events:auto}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#589d8d;margin-right:8px;vertical-align:middle}.stage-version{color:#869080;margin-left:8px}.icon-button{border:1px solid #d4dbce;background:#f4f5efad;border-radius:50%;width:34px;height:34px;font-size:23px;color:#506252}#viewport{position:absolute;inset:0 0 110px;touch-action:none}#viewport canvas{display:block;width:100%;height:100%;touch-action:none}#loading{position:absolute;inset:45% 0;text-align:center;color:#64765c}.stage-hint{position:absolute;bottom:126px;left:0;right:0;text-align:center;color:#77816e;font-size:11px;pointer-events:none}.stage-hint span{padding-right:6px}.views{position:absolute;bottom:69px;left:50%;transform:translateX(-50%);display:flex;gap:5px;background:#f7f7f0bf;padding:5px;border-radius:100px;white-space:nowrap}.views button{border:0;background:transparent;padding:9px 15px;border-radius:100px;font-size:11px;color:#69745f}.views button[aria-pressed=true]{background:#2d4839;color:#fff}.legend{position:absolute;bottom:25px;left:20px;right:20px;display:flex;justify-content:center;gap:20px;color:#78816e;font-size:10px}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:7px;height:7px;border-radius:50%;background:var(--swatch)}aside{padding:4px 0 0;display:flex;flex-direction:column;gap:22px}.aside-heading h2{font-size:29px;line-height:1.15;letter-spacing:-1.1px;font-weight:450;margin:0}.aside-heading .eyebrow{margin-bottom:9px}.control-title{font-weight:550;font-size:12px}.control-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.control-heading>span:last-child:not(:first-child){font-size:11px;color:#84917d}.control-group>.control-title{margin-bottom:12px}.segmented{display:flex;background:#e6e8df;border-radius:9px;padding:4px}.segmented button{flex:1;border:0;border-radius:6px;padding:9px;background:transparent;font-size:12px;color:#7c8674}.segmented button[aria-pressed=true]{background:#fafaf5;color:#263f30;box-shadow:0 1px 4px #29392713}.steps{display:grid;gap:3px}.steps button{display:flex;align-items:center;gap:12px;background:transparent;border:0;padding:11px 12px;text-align:left;border-radius:8px;color:#7b8475;font-size:12px}.steps button>span{font-size:10px;color:#929b88;font-variant-numeric:tabular-nums}.steps button b{font-weight:400;margin-left:auto;opacity:0}.steps button[aria-pressed=true]{background:#dfe6d8;color:#2e4836}.steps button[aria-pressed=true] b{opacity:1}.steps button:hover{background:#e6eadf}input[type=range]{width:100%;accent-color:#355741;height:4px;cursor:pointer;margin:3px 0 12px}.range-labels{display:flex;justify-content:space-between;font-size:10px;color:#8a927f}.visibility-controls{display:flex;gap:13px;flex-wrap:wrap}.visibility-controls label{display:flex;align-items:center;gap:5px;font-size:11px;color:#6d7965}.visibility-controls input{accent-color:#355741;width:14px;height:14px;margin:0}.play-button{width:100%;padding:14px 20px;background:#294434;border:0;border-radius:10px;color:#f4f5ec;display:flex;gap:12px;align-items:center;justify-content:center;font-size:12px}.play-button:hover{background:#3e6049}.play-button[aria-pressed=true]{background:#4f694c}.demo-note{margin:0;color:#909582;font-size:10px;line-height:1.6;border-top:1px solid #dedfd3;padding-top:15px}.demo-note span{display:block;color:#6f7c63;font-size:11px;margin-bottom:4px}footer{display:flex;justify-content:space-between;color:#909684;font-size:10px;padding-top:20px}footer span:last-child{letter-spacing:1.7px} @media(min-width:1500px){.stage{min-height:730px}}@media(max-width:1050px){header{padding:0 28px}main{padding:30px 28px}.workspace{gap:24px;grid-template-columns:minmax(0,1fr) 265px}.intro-note{display:none}h1{font-size:31px}.legend{gap:10px}.stage{min-height:630px}}@media(max-width:720px){header{padding:0 20px;height:69px}.header-note{font-size:9px;letter-spacing:1px}.header-note .dot{display:none}.header-note{max-width:140px;text-align:right;line-height:1.5}main{padding:24px 16px 20px}.intro{margin-bottom:20px}h1{font-size:29px;max-width:300px;letter-spacing:-1.1px}.eyebrow{font-size:9px}.workspace{display:flex;flex-direction:column;gap:26px}.stage{min-height:510px;border-radius:17px}.stage-top{left:17px;right:15px;top:16px;font-size:11px}.stage-version{margin-left:3px}.legend{gap:12px;left:8px;right:8px;font-size:9px}.stage-hint{font-size:10px}.views button{padding:9px 13px}aside{display:grid;grid-template-columns:1fr 1fr;gap:22px 20px;padding:0 4px}.aside-heading{grid-column:1/-1}.aside-heading h2{font-size:24px}.aside-heading h2 br{display:none}.control-group:has(.steps){grid-column:1/-1;grid-row:3}.steps{grid-template-columns:1fr 1fr}.control-group:has(#extension){grid-column:2;grid-row:2}.visibility-controls{grid-column:1/-1;gap:20px}.play-button,.demo-note{grid-column:1/-1}.control-group>.control-title{margin-bottom:13px}.control-title{font-size:11px}.segmented button{padding:10px 6px}.demo-note{font-size:11px}.demo-note span{font-size:12px}footer{line-height:1.6;gap:15px;font-size:9px}footer span:last-child{text-align:right}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
@media(max-width:720px){.views button{padding:9px 8px}}
.measure-label{position:absolute;left:0;top:0;z-index:4;pointer-events:none;background:#f8faf4f0;border:1px solid #acbca6;box-shadow:0 2px 8px #1b392311;border-radius:7px;padding:6px 9px;min-width:104px;text-align:center;color:#36513d;will-change:transform}.measure-label[hidden]{display:none}.measure-label span{display:block;font-size:10px;line-height:1.4}.measure-label strong{display:block;font-size:14px;font-weight:600;line-height:1.4;font-variant-numeric:tabular-nums}.measure-label.warm{border-color:#d4b19f;color:#9a513a}.numeric-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.numeric-fields>label{font-size:10px;line-height:1.5;color:#6d7965;display:flex;flex-direction:column;gap:6px}.number-box{display:flex;align-items:center;background:#fafbf5;border:1px solid #d9dfd1;border-radius:7px;overflow:hidden;padding:0 6px}.number-box input{width:100%;min-width:0;background:transparent;border:0;color:#294434;padding:8px 0;font-size:13px;font-variant-numeric:tabular-nums}.number-box>span{font-size:10px;color:#8b957f;padding-left:2px}.hand-settings .control-title{margin-bottom:10px}.hand-settings .segmented button{padding-left:7px;padding-right:7px}.dimension-settings .control-heading{margin-bottom:10px}@media(max-width:720px){.dimension-settings,.hand-settings{grid-column:1/-1}.numeric-fields>label{font-size:11px}.measure-label{min-width:91px;padding:5px 7px}.measure-label span{font-size:10px}.measure-label strong{font-size:13px}}
.grip-mode{margin:12px 0 0;color:#607a60;font-size:11px;line-height:1.5}
.scene-watermarks{position:absolute;inset:0;z-index:3;pointer-events:none;overflow:hidden;user-select:none}
.scene-watermarks span{position:absolute;left:31%;top:36%;transform:translate(-50%,-50%) rotate(-18deg);color:rgba(30,57,42,.12);font-size:clamp(23px,3.1vw,43px);font-weight:650;letter-spacing:1px;white-space:nowrap}
.scene-watermarks span:nth-child(2){left:63%;top:64%}
.scene-watermarks b{position:absolute;right:22px;bottom:42px;font-size:12px;letter-spacing:1px;font-weight:550;color:rgba(37,65,48,.55)}

/* Dimension cards occupy their own strip outside the rotating canvas. */
#viewport{bottom:190px}
.stage-hint{bottom:202px}
.measurement-readouts{position:absolute;bottom:124px;left:20px;right:20px;display:flex;justify-content:center;gap:12px;pointer-events:none}
.measurement-readouts[hidden]{display:none}
.measurement-readouts .measure-label{position:static;min-width:132px;transform:none;will-change:auto;border-left-width:3px;box-shadow:none}
@media(max-width:720px){.stage{min-height:590px}.measurement-readouts{left:12px;right:12px;gap:10px}.measurement-readouts .measure-label{min-width:0;flex:1;max-width:156px}}