:root{font-family:GeistSans,Arial,sans-serif;color:#183d3b;background:#f4f5ef;font-synthesis:none;--teal:#207a6c;--line:#d9ded3;--muted:#65776e}*{box-sizing:border-box}body{margin:0}header{height:84px;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line);padding:0 5vw}a{color:inherit;text-decoration:none}header>a:last-child{margin-left:auto;font-size:13px}.wordmark{font-weight:700;font-size:27px;letter-spacing:-1.2px}.wordmark span{font-size:13px;font-weight:400;letter-spacing:0;color:var(--muted)}.pill{font:10px Consolas,monospace;letter-spacing:1px;border:1px solid var(--line);border-radius:5px;padding:8px 10px}main{max-width:1520px;margin:auto;padding:52px 5vw}.intro{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;align-items:center;margin-bottom:52px}.eyebrow{font:10px Consolas,monospace;letter-spacing:1.7px;color:var(--muted);margin:0 0 14px}h1{font-size:clamp(38px,4.1vw,66px);line-height:1.05;letter-spacing:-3.4px;font-weight:500;margin:0 0 22px}h2{font-size:21px;font-weight:500;letter-spacing:-.5px;margin:0 0 14px}.lede{font-size:17px;line-height:1.6;color:var(--muted)}.upload-box{padding:25px;background:#e9eee3;border:1px solid #dce3d4;border-radius:12px}.upload-label{display:flex;align-items:center;flex-direction:column;cursor:pointer;border:1px dashed #a9bca7;background:#f8faf5;border-radius:8px;padding:25px;gap:9px}.upload-label strong{font-weight:500}.upload-label>span:last-child{font-size:12px;color:var(--muted)}.upload-icon{font-size:28px;color:var(--teal)}#photo{position:absolute;width:1px;height:1px;opacity:0}.upload-box:focus-within{outline:2px solid var(--teal)}.upload-box p{font-size:13px;line-height:1.5;margin-bottom:10px}.upload-box small{font-size:11px;color:var(--muted)}.message{border-left:3px solid var(--teal);padding:17px 20px;background:#e5eee7;line-height:1.6;font-size:13px;margin-bottom:24px}.message.error{border-color:#a44f3d;background:#f5e8de}.summary{display:flex;align-items:center;gap:35px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0;margin-bottom:30px}.score{display:flex;align-items:baseline;gap:8px}.score>span:first-child{font-size:57px;letter-spacing:-3px;line-height:1.1}.score small{font-size:20px;color:#91a397}#score-delta{font:14px Consolas,monospace;margin-left:14px;color:var(--teal)}#coverage{font-size:12px;color:var(--muted)}.summary-note{max-width:430px;margin-left:auto}.summary-note strong{font-size:13px;font-weight:500}.summary-note p{font-size:12px;color:var(--muted);line-height:1.6;margin-bottom:0}button,select,input{font:inherit}button{cursor:pointer}.secondary{background:#fafbf7;color:var(--teal);border:1px solid #bdcdbd;border-radius:5px;font-size:12px;padding:11px 16px;white-space:nowrap}.secondary:hover{background:#e4ede3}.lab-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(370px,1fr);gap:32px}.visual-column{min-width:0}.canvas-card{background:#e1e5dc;border:1px solid var(--line);border-radius:10px;overflow:hidden}.canvas-toolbar,.canvas-footer{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;font:10px Consolas,monospace;gap:10px}.canvas-toolbar>span{letter-spacing:1.4px}.canvas-toolbar label{font:11px GeistSans,sans-serif;margin-left:10px}.canvas-toolbar input{accent-color:var(--teal);vertical-align:middle}canvas{display:block;width:100%;height:auto;max-height:650px;object-fit:contain;background:#e1e5dc}.canvas-footer{font:11px GeistSans,sans-serif;background:#f9faf5}.detail-card,.sim-card{background:#fafbf7;border:1px solid var(--line);border-radius:9px;padding:24px;margin-top:20px}.detail-card>p,.sim-card>p{font-size:12px;line-height:1.7}.detail-card #formula{font-size:14px;line-height:1.7;min-height:45px}#curve{width:100%;margin-top:10px}.legend{display:flex;gap:18px;font:11px Consolas,monospace}.legend span:first-child{color:#157b6c}.legend span:last-child{color:#b87a3e}.muted{color:var(--muted);font-size:12px;line-height:1.7}.related{display:flex;gap:6px;flex-wrap:wrap}.related button{background:#edf1e9;border:0;border-radius:4px;font-size:10px;padding:7px;color:#426354}.section-title{display:flex;justify-content:space-between;align-items:center;gap:15px}.section-title h2{margin-bottom:0}.section-title .eyebrow{margin-bottom:8px}.sim-card>label{display:block;font-size:12px;margin-top:26px}select{margin:8px 0 16px;width:100%;padding:12px;background:white;border:1px solid #c6d2c5;border-radius:5px;font-size:13px;color:inherit}.slider-label{display:flex;justify-content:space-between;font:11px Consolas,monospace}input[type=range]{accent-color:var(--teal);width:100%;margin-top:16px}.active-movements{display:flex;flex-wrap:wrap;gap:5px}.active-movements span{font-size:10px;background:#e1ebdc;padding:6px;border-radius:4px}#changes{border-top:1px solid var(--line);margin-top:15px;padding-top:15px}.change-row{font-size:11px;padding:8px 0;display:flex;justify-content:space-between;gap:12px}#ratios{border-top:1px solid var(--line)}.table-head{display:grid;grid-template-columns:minmax(180px,1fr) 85px 55px;font:10px Consolas,monospace;text-transform:uppercase;letter-spacing:1px;padding:17px 12px;color:var(--muted)}.ratio{border:0;border-bottom:1px solid var(--line);background:transparent;width:100%;display:grid;grid-template-columns:minmax(180px,1fr) 85px 55px;gap:0;text-align:left;padding:17px 12px;align-items:center;color:inherit;border-left:3px solid transparent}.ratio:hover{background:#eaf0e6}.ratio.selected{background:#e3ecdf;border-left-color:var(--teal)}.ratio-name{font-size:12px;font-weight:500}.ratio-name small{display:block;color:var(--muted);font-size:10px;font-weight:400;margin-top:5px}.ratio-value{font:12px Consolas,monospace}.ratio-score{font:17px Consolas,monospace;color:var(--teal);text-align:right}.ratio .delta{display:block;font-size:10px;color:#966a36;margin-top:5px}.method{margin-top:25px;padding:18px;border:1px solid var(--line);border-radius:6px;font-size:12px;color:var(--muted);line-height:1.7}.method summary{cursor:pointer;color:var(--teal)}.empty{border-top:1px solid var(--line);padding:50px 0;display:flex;gap:40px;align-items:center}.empty-mark{font-size:75px;letter-spacing:-6px;color:#b6cbb4;border-right:1px solid var(--line);padding-right:40px;line-height:1}.empty-mark span{display:block;font:11px Consolas,monospace;letter-spacing:3px;margin-top:12px}.empty>div:last-child{max-width:580px}.empty p{font-size:14px;line-height:1.8;color:var(--muted)}.steps{display:flex;gap:25px;font:10px Consolas,monospace;text-transform:uppercase;margin-top:23px;color:var(--teal)}footer{display:flex;justify-content:space-between;padding:24px 5vw;border-top:1px solid var(--line);font:10px Consolas,monospace;color:var(--muted);letter-spacing:1px}[hidden]{display:none!important}.negative{color:#a4503d!important}:focus-visible{outline:2px solid #207a6c;outline-offset:3px}@media(max-width:950px){main{padding-top:35px}.intro{gap:30px}.lab-grid{grid-template-columns:1fr}.summary{flex-wrap:wrap}.summary-note{margin-left:0}.results-column{order:0}.visual-column{order:1}.ratio{padding:15px 10px}canvas{max-height:540px}.intro h1{letter-spacing:-2px}}@media(max-width:600px){header{height:65px;gap:15px}.wordmark{font-size:23px}.wordmark span{display:none}header .pill{font-size:8px}.intro{grid-template-columns:1fr;gap:20px;margin-bottom:30px}.intro br{display:none}h1{font-size:41px}.lede{font-size:15px}.summary{gap:15px}.summary-note{order:2;max-width:none}.summary .secondary{margin-left:auto}.empty{gap:20px}.empty-mark{font-size:55px;padding-right:20px}.steps{gap:10px;font-size:8px}footer span{display:none}.table-head,.ratio{grid-template-columns:minmax(150px,1fr) 78px 48px}.detail-card,.sim-card{padding:18px}.canvas-toolbar{padding:12px}.canvas-toolbar label{font-size:10px}}
/* Guided review and persistent point editing. */
.primary{background:#207a6c;color:#fff;border:1px solid #207a6c;border-radius:5px;padding:11px 16px;font-size:12px}.primary:hover{background:#155e53}button:disabled,input:disabled,select:disabled{opacity:.45;cursor:default}.review-bar{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:25px 0;border-top:1px solid var(--line);scroll-margin-top:20px}.review-bar h2{font-size:24px;margin-bottom:7px}.review-bar p:last-child{font-size:12px;color:var(--muted);margin-bottom:0}.review-navigation{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.review-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(350px,.9fr);gap:22px;align-items:start;margin-bottom:34px}.photo-panel{min-width:0}.photo-viewport{height:clamp(390px,58vh,650px);overflow:auto;overscroll-behavior:contain;background:#d6dbd1}.photo-viewport canvas{width:100%;height:auto;max-height:none;object-fit:initial;touch-action:none;cursor:grab}.photo-viewport canvas:active{cursor:grabbing}.photo-viewport canvas.placing{cursor:crosshair}.photo-viewport canvas.simulating{cursor:grab}#canvas-stage{width:100%;min-width:100%}.zoom-toolbar{display:flex;gap:6px;align-items:center;padding:9px 12px;background:#f8faf4;border-top:1px solid var(--line)}.zoom-toolbar button{padding:7px 9px;font-size:10px}.zoom-toolbar output{font:10px Consolas,monospace;min-width:36px;text-align:center}.zoom-toolbar>span{margin-left:auto;font-size:10px;color:var(--muted)}.point-editor,.guide-card{background:#fafbf7;border:1px solid var(--line);border-radius:9px;padding:21px}.point-editor{margin-top:14px}.point-editor h3{font-size:15px;font-weight:500;margin:0;line-height:1.4}.point-editor .eyebrow{margin-bottom:8px}.point-editor>p{font-size:12px;line-height:1.6}.point-editor .pill{font-size:8px;letter-spacing:.2px}.coordinate-row,.edit-actions{display:flex;flex-wrap:wrap;gap:7px;align-items:center}.coordinate-row label{display:flex;gap:7px;align-items:center;font:11px Consolas,monospace}.coordinate-row input{width:89px;padding:9px 6px;border:1px solid #bfccbd;border-radius:5px;background:white;color:inherit;font:12px Consolas,monospace}.coordinate-row button,.edit-actions button{padding:9px 10px;font-size:10px}.edit-actions{border-top:1px solid var(--line);padding-top:13px}.edit-actions span{font-size:10px;color:var(--muted)}.guide-card h2{font-size:22px}.guide-card>.muted{margin:0 0 14px}.guide-visuals{display:grid;grid-template-columns:1.1fr 1fr;gap:12px;align-items:start}.guide-visuals figure{margin:0;min-width:0}.guide-visuals canvas{width:100%;height:auto;border-radius:7px;background:#e1e5dc;max-height:none}.guide-visuals figcaption{font-size:10px;color:var(--muted);margin-top:8px;line-height:1.5}.guide-note{font-size:11px;line-height:1.6;padding:10px 12px;background:#edf0e6;border-radius:5px;margin:15px 0}.point-list-title{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:11px;padding:11px 0}.point-list-title strong{font-weight:500}.point-list-title label{font-size:10px;color:var(--muted)}.point-list-title input{accent-color:var(--teal);vertical-align:middle}.point-list{display:grid;grid-template-columns:1fr 1fr;gap:6px;max-height:265px;overflow:auto;padding:2px}.point-option{display:flex;gap:8px;align-items:center;text-align:left;background:#f2f5ee;border:1px solid #dce3d4;border-radius:5px;padding:9px 7px;color:inherit;font-size:10px;line-height:1.4}.point-option.selected{background:#e1ecdf;border-color:#76a88c}.point-number{display:grid;place-items:center;flex-shrink:0;width:20px;height:20px;background:#dce8d7;border-radius:50%;font:10px Consolas,monospace}.point-option.selected .point-number{background:#207a6c;color:#fff}.point-option small{display:block;font-size:8px;color:var(--muted);margin-top:3px}.reference-credit{display:inline-block;font-size:10px;margin-top:16px;color:var(--muted);text-decoration:underline}.summary{scroll-margin-top:25px}.summary #reopen-review{margin-left:auto}.summary-note{margin-left:0}.has-photo .intro{margin-bottom:25px;gap:30px}.has-photo .intro h1{font-size:35px;letter-spacing:-1.3px;margin-bottom:12px}.has-photo .intro .lede{font-size:13px}.has-photo .intro .upload-label{padding:12px}.has-photo .intro .upload-icon{display:none}.has-photo .intro .upload-box{padding:14px}.has-photo .intro .eyebrow{margin-bottom:10px}.has-photo main{padding-top:30px}.has-photo .lab-grid .detail-card{margin-top:0}.canvas-toolbar label{white-space:nowrap}@media(max-width:1100px){.review-navigation{max-width:300px}.review-grid{grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr)}.zoom-toolbar>span{display:none}.summary{flex-wrap:wrap}.summary-note{margin-left:auto}.summary #reopen-review{margin-left:0}.point-list{grid-template-columns:1fr}.guide-card{padding:18px}}@media(max-width:800px){.review-grid{grid-template-columns:1fr}.review-bar{align-items:flex-start;flex-direction:column;gap:16px}.review-navigation{max-width:none;justify-content:flex-start}.guide-visuals{grid-template-columns:1fr 1fr}.guide-visuals canvas{max-height:300px;object-fit:contain}.point-list{grid-template-columns:1fr 1fr}.photo-viewport{height:480px}.guide-card{order:0}.review-bar h2{font-size:20px}.summary-note{margin-left:0}}@media(max-width:480px){.point-list{grid-template-columns:1fr}.photo-viewport{height:390px}.canvas-toolbar{align-items:flex-start;flex-direction:column}.canvas-toolbar label:first-child{margin-left:0}.zoom-toolbar{flex-wrap:wrap}.review-navigation button{font-size:10px;padding:10px}.point-editor{padding:16px}.has-photo .intro{grid-template-columns:1fr}.point-editor .section-title{align-items:flex-start;flex-direction:column}.coordinate-row input{width:80px}header{gap:10px}header>a:not(.wordmark){font-size:10px}}
.point-instruction{margin:0;padding:10px 14px;font-size:11px;line-height:1.5;background:#edf2e8;color:#426354;border-top:1px solid var(--line)}.point-instruction.active{background:#faeccf;color:#745020}
.point-instruction{height:54px;display:flex;align-items:center}@media(max-width:480px){.point-instruction{height:90px}}

.persistence-panel{display:flex;align-items:end;gap:16px;flex-wrap:wrap;border:1px solid #d3ddcf;background:#f7f9ef;padding:22px;margin:18px 0 30px;border-radius:7px}.persistence-panel h3{margin:0 0 8px}.persistence-panel>div{flex:1 1 300px}.persistence-panel .field{display:grid;gap:6px;font-size:12px;flex:1 1 160px}.persistence-panel input{min-height:42px;padding:9px;border:1px solid #bdcbb6;border-radius:4px;background:#fff;color:#183d3b}.persistence-panel>p{flex-basis:100%;margin:0}.persistence-panel a{font-size:12px;color:#207a6c}

.demo-button{width:100%;margin-top:16px;min-height:44px}
header{height:auto;min-height:84px;flex-wrap:wrap;padding-top:17px;padding-bottom:17px}header>a:not(.wordmark){font-size:12px}