#elo411{--ink:#101c4b;--text:#304c76;--muted:#657ca0;--line:#c9def6;--paper:#fff;--soft:#f6f9fd;--blue:#0867ff;--gain:#08713a;--loss:#b0232f;color:var(--text);background:var(--paper);font:14px/1.45 Arial,sans-serif}#elo411 *{box-sizing:border-box}#elo411 [hidden]{display:none!important}#elo411 h2,#elo411 h3{color:var(--ink);line-height:1.25;margin:0 0 12px}#elo411 h2{font-size:19px}#elo411 h3{font-size:14px}#elo411 p{margin:7px 0 12px}#elo411 .studio-subtitle{font-size:20px;color:var(--muted);margin:0 0 15px;font-weight:600}#elo411 button,#elo411 input,#elo411 select,#elo411 textarea{font:inherit}#elo411 button{cursor:pointer;touch-action:manipulation;border:1px solid #458fff;border-radius:4px;color:var(--blue);background:var(--paper)}#elo411 button:disabled{opacity:.5;cursor:default}#elo411 button:focus-visible,#elo411 input:focus-visible,#elo411 select:focus-visible,#elo411 summary:focus-visible,#elo411 a:focus-visible{outline:3px solid #00a7df;outline-offset:3px}#elo411 button.primary,#elo411 button.active{color:#fff;background:var(--blue);border-color:var(--blue)}#elo411 .profiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px}#elo411 .profile{display:flex;align-items:center;position:relative;height:101px;gap:10px;padding:8px 18px 8px 8px;border:1px solid var(--line);color:var(--ink);text-align:left;min-width:0}#elo411 .profile.selected{border:2px solid #3383ff;padding:7px 17px 7px 7px;background:#f0f7ff}#elo411 .profile .elo-art{width:42%;height:83px;flex:0 1 42%;min-width:0}#elo411 .profile>span{flex:1;min-width:0}#elo411 .profile b{display:block;font-size:12px;line-height:1.4}#elo411 .profile small{display:block;font-size:10px;color:var(--muted);margin-top:5px;line-height:1.45}#elo411 .selection-dot{position:absolute;top:10px;right:9px;width:14px;height:14px;border:1px solid #9bb4d5;border-radius:50%}#elo411 .selected .selection-dot{border:2px solid #087aff;box-shadow:inset 0 0 0 2px var(--paper);background:#087aff}#elo411 .elo-art{min-width:0}#elo411 .elo-art img{width:100%;height:100%;object-fit:contain;display:block}#elo411 .main-grid,#elo411 .twocol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}#elo411 .panel{min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:14px}#elo411 input:not([type=range]),#elo411 select{display:block;width:100%;min-width:0;min-height:35px;border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink);padding:7px 9px;color-scheme:light}#elo411 .rating-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;font-size:12px}#elo411 .rating-inputs label{min-width:0}#elo411 .unit-field{display:flex;margin-top:6px;min-width:0}#elo411 .unit-field input{width:0;flex:1;border-radius:4px 0 0 4px}#elo411 .unit-field>span{display:flex;align-items:center;justify-content:center;padding:5px 8px;background:var(--soft);color:var(--muted);font-size:11px;border:1px solid var(--line);border-left:0;border-radius:0 4px 4px 0}#elo411 .input-block{margin-top:17px;font-size:12px}#elo411 .input-block>label,#elo411 .input-block>span{display:block;margin-bottom:6px;color:var(--ink)}#elo411 .segmented{display:flex;overflow:hidden;border:1px solid var(--line);border-radius:4px;background:var(--soft)}#elo411 .segmented button{flex:1;border:0;border-right:1px solid var(--line);border-radius:0;background:transparent;color:var(--text);font-size:12px;padding:8px 4px}#elo411 .segmented button:last-child{border:0}#elo411 .segmented button.active{background:var(--blue);color:#fff}#elo411 .k-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}#elo411 .k-presets{display:flex;gap:5px}#elo411 .k-presets button{flex:1;min-width:0;padding:6px 3px;font-size:11px;border-color:var(--line)}#elo411 .hint{color:var(--muted);font-size:11px;line-height:1.5}#elo411 .input-block>.hint{display:block;margin-top:6px;font-size:10px}#elo411 .guide{background:var(--soft);border:1px solid var(--line);border-radius:4px;padding:9px 10px;margin-top:16px}#elo411 summary{cursor:pointer;color:var(--ink);font-size:12px;font-weight:bold}#elo411 .guide ul{font-size:11px;padding-left:18px;line-height:1.6}#elo411 .fide-settings{border-top:1px solid var(--line);padding-top:10px}#elo411 .fide-settings>label{font-size:12px}#elo411 .fide-settings input{margin:6px 0;max-width:130px}#elo411 .model-note{font-size:10px;color:var(--muted);margin-top:7px}#elo411 .error{color:var(--loss);font-size:12px}#elo411 .error:empty{display:none}#elo411 .form-actions{display:flex;gap:12px;margin-top:17px}#elo411 .form-actions button{flex:1;min-height:40px;padding:9px 4px;font-size:13px}#elo411 .main-result{display:flex;align-items:center;justify-content:center;gap:25px;padding:16px 10px;border:1px solid #c5ead9;border-radius:5px;background:#e5f9ed;color:#086335}#elo411 .main-result>div{text-align:center;min-width:0}#elo411 .main-result strong{display:block;font-size:46px;line-height:1.1;letter-spacing:-1px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}#elo411 .main-result small{display:block;color:var(--ink);font-size:12px;font-weight:bold;margin-top:4px}#elo411 #eloDelta{display:block;background:#087736;color:#fff;border-radius:4px;padding:9px 7px;font-size:14px;min-width:0;overflow-wrap:anywhere;text-align:center}#elo411 .main-result.negative{background:#fff0f1;border-color:#efc3c9;color:#a32432}#elo411 .negative #eloDelta{background:#a82c38}#elo411 .main-result.neutral{background:var(--soft);border-color:var(--line);color:var(--ink)}#elo411 .neutral #eloDelta{background:#657a99}#elo411 .metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}#elo411 .metrics>div{text-align:center;padding:9px 4px;border:1px solid var(--line);border-radius:4px;min-width:0}#elo411 .metrics b{display:block;font-size:20px;line-height:1.2;color:var(--ink);overflow-wrap:anywhere}#elo411 .metrics small{display:block;font-size:11px;color:var(--muted);margin-top:5px}#elo411 .dashboard h3{margin:20px 0 9px}#elo411 .score-split{display:flex;overflow:hidden;border-radius:4px;background:#99a8bd;height:24px;color:#fff;font-weight:bold;font-size:11px}#elo411 .score-split>span{display:flex;align-items:center;justify-content:center;min-width:0;overflow:hidden;white-space:nowrap}#elo411 #eloYouBar{width:36%;background:linear-gradient(90deg,#0877ff,#3485fa)}#elo411 #eloOtherBar{width:64%}#elo411 .split-labels{display:flex;justify-content:space-between;gap:8px;font-size:11px;margin-top:6px;color:var(--ink)}#elo411 .centered{text-align:center}#elo411 .dashboard .centered{font-size:10px}#elo411 .rating-change{display:grid;grid-template-columns:minmax(40px,auto) minmax(0,1fr) minmax(45px,auto);gap:9px;align-items:center;margin:20px 0 14px;font-size:12px;color:var(--ink)}#elo411 .rating-change>span{overflow-wrap:anywhere;max-width:80px}#elo411 .rating-change>span:last-child{text-align:right}#elo411 .change-track{height:20px;position:relative;min-width:0}#elo411 .change-track:before{content:'';position:absolute;left:0;right:0;top:9px;height:2px;background:#a0afc4}#elo411 .change-track i{position:absolute;left:10%;width:80%;top:9px;height:2px;background:var(--gain)}#elo411 .change-track b{position:absolute;top:2px;width:16px;height:16px;border-radius:50%;transform:translateX(-50%)}#elo411 .old-dot{left:10%;border:2px solid #7486a1;background:var(--paper)}#elo411 .new-dot{left:90%;background:var(--gain);border:2px solid var(--paper);box-shadow:0 0 0 1px var(--gain)}#elo411 .change-caption{text-align:center;color:var(--ink);font-size:12px;margin:0}#elo411 .matchup{margin-top:14px}#elo411 .matchup>h2{margin-bottom:3px}#elo411 .matchup>.hint{margin-top:0;margin-bottom:12px}#elo411 .matchup-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:20px;align-items:center}#elo411 .chess-photo{position:relative;overflow:hidden;aspect-ratio:1.5/1;border-radius:4px;min-width:0;background:var(--soft)}#elo411 .chess-photo .elo-art{width:100%;height:100%}#elo411 .chess-photo .elo-art img{object-fit:cover}#elo411 .watermark{position:absolute;bottom:10px;right:10px;width:29%;height:auto;opacity:.3;pointer-events:none}#elo411 .matchup-controls{min-width:0}#elo411 .slider-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--ink);font-weight:bold}#elo411 .slider-heading output{display:block;min-width:63px;text-align:center;padding:5px 9px;background:var(--soft);border-radius:4px;font-size:16px;font-variant-numeric:tabular-nums}#elo411 input[type=range]{width:100%;margin:12px 0 2px;accent-color:#087aff;cursor:pointer}#elo411 .slider-ends{display:flex;justify-content:space-between;color:var(--muted);font-size:10px}#elo411 .rating-gap{text-align:center;font-size:12px;color:var(--ink);font-weight:bold;margin:10px 0 18px}#elo411 .case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}#elo411 .case{padding:10px 3px;text-align:center;border:1px solid var(--line);background:var(--soft);color:var(--ink);min-width:0}#elo411 .case>span{display:block;font-weight:bold;font-size:11px}#elo411 .case>b{display:block;font-size:21px;line-height:1.2;margin-top:7px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}#elo411 .case>small{display:block;font-size:10px;margin-top:5px}#elo411 .case.win{color:var(--gain);background:#f2fcf5}#elo411 .case.loss{color:var(--loss);background:#fff3f4}#elo411 .case.selected{border:2px solid currentColor;padding:9px 2px}#elo411 .explainer{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:4px;background:var(--soft);margin:12px 0}#elo411 .explainer>div{display:flex;gap:12px;padding:10px;border-right:1px solid var(--line)}#elo411 .explainer>div:last-child{border:0}#elo411 .step-circle{display:flex;align-items:center;justify-content:center;flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:#087aff;color:#fff;font-size:15px;font-weight:bold}#elo411 .explainer p{margin:0}#elo411 .explainer b{display:block;font-size:11px;color:var(--ink)}#elo411 .explainer small{display:block;font-size:10px;line-height:1.5;color:var(--muted);margin-top:4px}#elo411 .actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0}#elo411 .actions button{width:100%;min-height:42px;padding:9px 5px;font-size:13px}#elo411 .twocol{margin-top:14px}#elo411 .twocol p{font-size:12px;line-height:1.6}#elo411 .formula{display:flex;align-items:center;justify-content:center;gap:7px;color:var(--ink);font-size:14px;margin:14px 0 18px;min-height:45px}#elo411 .fraction{display:inline-flex;flex-direction:column;align-items:center;max-width:100%}#elo411 .fraction>span{display:block;text-align:center;padding:3px 6px}#elo411 .fraction>span:last-child{border-top:1px solid currentColor}#elo411 .formula sup{font-size:10px}#elo411 .formula-label{margin-bottom:0}#elo411 .faq details{border:1px solid var(--line);border-radius:3px;padding:7px 8px;margin:7px 0}#elo411 .faq summary{font-size:11px;font-weight:normal}#elo411 .sources{margin-top:14px}#elo411 .sources h2{font-size:19px;margin-bottom:10px}#elo411 .source-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}#elo411 .source-list a{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:5px;text-decoration:none;padding:10px 8px;min-width:0}#elo411 .source-logo{display:flex;align-items:center;justify-content:center;flex:0 0 84px;padding-right:10px;border-right:1px solid var(--line);min-height:58px}#elo411 .source-logo img{display:block;width:73px;height:53px;object-fit:contain}#elo411 .source-list b{display:block;font-size:11px;line-height:1.4;color:var(--ink)}#elo411 .source-list small{display:block;font-size:10px;line-height:1.5;color:var(--muted);margin-top:4px}#elo411 .small-print{font-size:10px;color:var(--muted);margin:9px 0 0;text-align:center}#elo411 .related{margin-top:22px}#elo411 .related-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}#elo411 .related-heading h2{font-size:21px;margin:0}#elo411 .related-heading>a{font-size:11px;color:var(--blue);text-decoration:none}#elo411 .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}#elo411 .related-grid>a{display:flex;align-items:center;gap:10px;min-width:0;min-height:120px;border:1px solid var(--line);border-radius:5px;padding:10px;text-decoration:none;color:var(--ink)}#elo411 .related .elo-art{width:90px;height:85px;flex:0 0 90px}#elo411 .related-grid b{display:block;font-size:12px;line-height:1.4}#elo411 .related-grid small{display:block;color:var(--muted);font-size:10px;line-height:1.5;margin-top:6px}#elo411 textarea{width:100%;min-height:140px;background:var(--paper);color:var(--ink);border:1px solid var(--line)}html.st-master-dark #elo411{--ink:#dfebff;--text:#bfd0e4;--muted:#a4bad1;--line:#36536e;--paper:#112438;--soft:#173149;--gain:#9de6b2;--loss:#ffb3bc;background:#0b1b2c}html.st-master-dark #elo411 .profile.selected{background:#1b3a57}html.st-master-dark #elo411 input,html.st-master-dark #elo411 select{color-scheme:dark}html.st-master-dark #elo411 .main-result{background:#153d2d;color:#c3f0d3;border-color:#397b58}html.st-master-dark #elo411 .main-result.negative{background:#41252e;color:#ffc8ce;border-color:#7d4450}html.st-master-dark #elo411 .main-result.neutral{background:var(--soft);color:var(--ink);border-color:var(--line)}html.st-master-dark #elo411 .case.win{background:#17372b}html.st-master-dark #elo411 .case.loss{background:#3c2530}html.st-master-dark #elo411 .score-split{background:#526982}html.st-master-dark #elo411 .source-logo{background:#f7faff;border-radius:3px;padding:4px 8px;flex-basis:84px}html.st-master-dark #elo411 button:not(.primary):not(.active):not(.profile):not(.case),html.st-master-dark #elo411 .related-heading>a{color:#acd1ff}@media(max-width:850px){#elo411 .profile{gap:6px;padding-left:5px}#elo411 .profile.selected{padding-left:4px}#elo411 .profile b{font-size:11px}#elo411 .profile small{font-size:9px}#elo411 .main-result{gap:12px}#elo411 .main-result strong{font-size:39px}#elo411 #eloDelta{font-size:12px}#elo411 .matchup-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:13px}#elo411 .case>b{font-size:18px}#elo411 .source-logo,html.st-master-dark #elo411 .source-logo{flex-basis:60px;padding-right:6px}#elo411 .source-logo img{width:53px;height:45px}#elo411 .related .elo-art{width:62px;flex-basis:62px}#elo411 .related-grid b{font-size:11px}#elo411 .k-row{gap:7px}#elo411 .k-presets{gap:3px}#elo411 .k-presets button{font-size:10px}}@media(max-width:650px){#elo411 .main-grid,#elo411 .twocol,#elo411 .matchup-grid{grid-template-columns:1fr}#elo411 .profiles{gap:6px}#elo411 .profile{height:130px;flex-direction:column;justify-content:center;padding:10px 5px 6px;text-align:center;gap:2px}#elo411 .profile.selected{padding:9px 4px 5px}#elo411 .profile .elo-art{flex:0 0 65px;width:100%;height:65px}#elo411 .profile b{font-size:10px}#elo411 .profile small{font-size:9px}#elo411 .selection-dot{top:6px;right:6px;width:10px;height:10px}#elo411 .studio-subtitle{font-size:19px}#elo411 .main-result strong{font-size:44px}#elo411 #eloDelta{font-size:14px}#elo411 .case>b{font-size:23px}#elo411 .explainer{grid-template-columns:1fr}#elo411 .explainer>div{border-right:0;border-bottom:1px solid var(--line)}#elo411 .explainer>div:last-child{border:0}#elo411 .explainer b{font-size:12px}#elo411 .explainer small{font-size:11px}#elo411 .actions button{font-size:11px}#elo411 .source-list,#elo411 .related-grid{grid-template-columns:1fr}#elo411 .source-logo,html.st-master-dark #elo411 .source-logo{flex-basis:88px;padding:4px 10px}#elo411 .source-logo img{width:76px;height:56px}#elo411 .source-list b{font-size:12px}#elo411 .source-list small{font-size:11px}#elo411 .related-heading{flex-direction:column;align-items:flex-start;gap:7px}#elo411 .related .elo-art{width:95px;flex-basis:95px;height:90px}#elo411 .related-grid b{font-size:14px}#elo411 .related-grid small{font-size:12px}}@media(prefers-reduced-motion:reduce){#elo411 *{animation:none!important;transition:none!important}}
#elo411 .source-logo img[alt="US Chess"]{object-fit:cover;object-position:center}
/* W412: input-linked expected-score plot. */
#elo411 .expected-curve{margin-top:14px}
#elo411 .curve-heading{display:flex;align-items:center;justify-content:space-between;gap:18px}
#elo411 .curve-heading h2{margin:0 0 4px;font-size:18px}
#elo411 .curve-heading .hint{margin:0}
#elo411 .curve-heading output{display:block;flex:0 0 auto;border:1px solid var(--line);border-radius:4px;padding:8px 10px;background:var(--soft);color:var(--ink);font-weight:bold;font-size:13px}
#elo411 #eloCurveSvg{display:block;width:100%;max-width:740px;height:auto;margin:10px auto 0;overflow:visible}
#elo411 #eloCurveSvg text{fill:var(--text);font-family:Arial,sans-serif;font-size:15px}
#elo411 .curve-grid path{stroke:var(--line);stroke-width:1;fill:none}
#elo411 .curve-axis path{stroke:var(--muted);stroke-width:1.5;fill:none}
#elo411 .curve-equal{stroke:var(--muted);stroke-width:1.3;stroke-dasharray:5 5;fill:none;opacity:.6}
#elo411 .curve-path{stroke:#087aff;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
#elo411 .curve-current-guide{stroke:#087aff;stroke-width:1.5;stroke-dasharray:5 5;fill:none;opacity:.7}
#elo411 .curve-equal-dot{fill:var(--paper);stroke:var(--muted);stroke-width:2}
#elo411 .curve-point{fill:#087aff;stroke:var(--paper);stroke-width:3}
#elo411 .curve-interpretation{border:1px solid var(--line);background:var(--soft);border-radius:4px;padding:10px;color:var(--ink);font-size:12px;line-height:1.6;margin:4px 0 8px}
#elo411 .expected-curve>.hint{margin-bottom:0}
#elo411 .expected-curve.unavailable #eloCurveSvg{opacity:.4}
html.st-master-dark #elo411 .curve-path,html.st-master-dark #elo411 .curve-current-guide{stroke:#73b6ff}
html.st-master-dark #elo411 .curve-point{fill:#73b6ff}
@media(max-width:650px){#elo411 .curve-heading{align-items:flex-start;flex-direction:column;gap:8px}#elo411 .curve-heading h2{font-size:17px}#elo411 .curve-heading output{font-size:12px;padding:6px 8px}#elo411 #eloCurveSvg text{font-size:23px}#elo411 .curve-path{stroke-width:4}#elo411 .curve-point{r:9px}#elo411 .curve-interpretation{font-size:11px}}