.one-indicator{overflow-x:clip;--oi-panel:#080e11;--oi-soft:#111d22;--oi-line:#34464e;--oi-ink:#edf4f5;--oi-muted:#a5b5bd;--oi-teal:#78e1e7;--oi-gold:#edc078;--oi-rose:#ec94ae}
html[data-theme=light] .one-indicator{--oi-panel:#f6fafb;--oi-soft:#eaf2f5;--oi-line:#bdcdd4;--oi-ink:#19303a;--oi-muted:#4a606c;--oi-teal:#087584;--oi-gold:#886019;--oi-rose:#ab4268}
.one-indicator .feature-hero h1{font-size:clamp(42px,6.2vw,88px);line-height:1.09;letter-spacing:-.025em}.one-indicator .article-eyebrow{text-transform:none!important;letter-spacing:.01em!important}
.oi-takeaway{padding:30px;border:1px solid var(--oi-line);border-inline-start:3px solid var(--oi-teal);background:var(--oi-panel);margin:35px 0}.oi-takeaway h2{margin-top:12px}.oi-label{font-size:15px!important;line-height:1.6;color:var(--oi-teal)!important;text-transform:none;letter-spacing:0}.oi-takeaway p:last-child{margin-bottom:0}
.oi-figure{margin:36px 0;border:1px solid var(--oi-line);background:var(--oi-panel);min-width:0;overflow:hidden}.oi-figure .figure-toolbar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:13px 18px;gap:12px 22px;font:15px/1.5 var(--sans);letter-spacing:0;border-bottom:1px solid var(--oi-line);color:var(--oi-muted)}.oi-enlarge{border:0;background:transparent;color:var(--oi-teal);font:16px/1.5 var(--sans);min-height:44px;padding:5px 0;cursor:zoom-in;white-space:nowrap}.oi-figure svg{width:100%;height:auto;display:block;color:var(--oi-ink);font-family:Arial,sans-serif}.oi-figure figcaption{font-size:16px;line-height:1.75;color:var(--oi-muted);padding:20px;border-top:1px solid var(--oi-line)}
.oi-lab{margin:32px 0;padding:28px;border:1px solid var(--oi-line);background:var(--oi-panel);min-width:0}.oi-lab h3{font-size:31px;line-height:1.25;letter-spacing:-.015em;margin:10px 0 24px}.oi-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:20px 0}.oi-controls label{display:flex;flex-direction:column;gap:9px;font:15px/1.55 var(--sans);color:var(--oi-muted);min-width:0}.oi-controls select,.oi-controls input[type=number],.oi-controls input[type=search]{min-width:0;width:100%;height:50px;padding:10px 12px;border:1px solid var(--oi-line);border-radius:0;background:var(--oi-soft);color:var(--oi-ink);font:16px/1.5 var(--sans);color-scheme:dark}html[data-theme=light] .oi-controls select,html[data-theme=light] .oi-controls input{background:#fff;color:#19303a;color-scheme:light}.oi-controls input[type=range]{width:100%;accent-color:var(--oi-teal);min-height:36px}.oi-full{grid-column:1/-1}.oi-buttons{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.oi-buttons button,.oi-downloads button{background:var(--oi-soft);color:var(--oi-ink);border:1px solid var(--oi-line);border-radius:0;font:15px/1.5 var(--sans);padding:12px 16px;min-height:46px;cursor:pointer}.oi-buttons button:hover,.oi-downloads button:hover{border-color:var(--oi-teal)}
.oi-stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--oi-line);border:1px solid var(--oi-line);margin:22px 0}.oi-stat-grid>div{padding:19px;background:var(--oi-soft);min-width:0}.oi-stat-grid strong{display:block;font:500 28px/1.4 var(--sans);font-variant-numeric:tabular-nums;color:var(--oi-ink);overflow-wrap:anywhere}.oi-stat-grid span{display:block;font-size:14px;line-height:1.6;color:var(--oi-muted);margin-top:6px}.oi-note{font-size:15px!important;line-height:1.75!important;color:var(--oi-muted)!important}.oi-result{font-size:17px;line-height:1.75;padding:18px;border:1px solid var(--oi-line);background:var(--oi-soft);overflow-wrap:anywhere;margin-top:20px;color:var(--oi-ink)}.oi-error{color:var(--oi-rose)!important}
.oi-svg-scroll{overflow-x:auto;overscroll-behavior-inline:contain;border:1px solid var(--oi-line)}.oi-svg-scroll svg{display:block;min-width:680px;width:100%;height:auto;font-family:Arial,sans-serif}.oi-svg-scroll:focus-visible{outline:2px solid var(--oi-teal)}.oi-legend{display:flex;flex-wrap:wrap;gap:10px 22px;margin:15px 0;font-size:14px;line-height:1.6;color:var(--oi-muted)}.oi-legend span{display:flex;align-items:center;gap:7px}.oi-legend i{display:inline-block;width:19px;height:3px;background:var(--oi-teal)}
.oi-formulas,.oi-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--oi-line);border:1px solid var(--oi-line);margin:30px 0}.oi-formulas>div,.oi-tiles>div{padding:24px;background:var(--oi-panel);min-width:0}.oi-formulas span,.oi-tiles span{display:block;font-size:14px;line-height:1.6;color:var(--oi-teal);margin-bottom:10px}.oi-formulas code{font-size:17px;white-space:normal;overflow-wrap:anywhere;color:var(--oi-ink)}.oi-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}.oi-tiles h3{margin:12px 0;font-size:29px}.oi-tiles p{font-size:17px;line-height:1.75}
.oi-catalogue{display:grid;gap:12px;margin-top:25px}.oi-tool-card{border:1px solid var(--oi-line);padding:20px;background:var(--oi-soft)}.oi-tool-card h4{font-size:23px;line-height:1.4;font-weight:500;margin:9px 0;color:var(--oi-ink)}.oi-tool-card p{font-size:16px;line-height:1.7;margin:9px 0;color:var(--oi-muted)}.oi-tags{display:flex;flex-wrap:wrap;gap:8px}.oi-tags span{border:1px solid var(--oi-line);font:12px/1.5 var(--sans);padding:5px 8px;color:var(--oi-teal)}.oi-downloads{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:30px 0}.oi-downloads a,.oi-downloads button{display:flex;justify-content:space-between;align-items:center;text-align:left;font-size:16px;padding:20px;color:var(--oi-ink);background:var(--oi-panel);border:1px solid var(--oi-line);text-decoration:none}.oi-downloads span{white-space:nowrap;color:var(--oi-teal);font-size:13px;margin-left:10px}.oi-conclusion{border-left:3px solid var(--oi-teal);padding:10px 0 10px 25px;margin:35px 0;font-style:normal;color:var(--oi-ink);font-size:25px;line-height:1.65}
.one-indicator #questions details{border-top:1px solid var(--oi-line);padding:20px 0}.one-indicator #questions summary{cursor:pointer;font-weight:500;font-size:20px;line-height:1.6;color:var(--oi-ink)}.one-indicator #questions details p{font-size:18px;line-height:1.8}.one-indicator :is(button,a,input,select):focus-visible{outline:2px solid var(--oi-teal);outline-offset:3px}.one-indicator .article-nav nav a{font-size:13px;line-height:1.5;margin-bottom:10px}.one-indicator .article-nav #article-toc{max-height:calc(100vh - 150px);overflow:auto}
#oi-figure-dialog{width:min(1400px,96vw);max-width:96vw;max-height:92vh;padding:22px;background:var(--oi-panel);color:var(--oi-ink);border:1px solid var(--oi-line);border-radius:0}#oi-figure-dialog::backdrop{background:#000c}.oi-dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-bottom:20px}.oi-dialog-head h2{font-size:22px;line-height:1.5;margin:0}.oi-dialog-head button{font:16px var(--sans);border:0;background:none;color:var(--oi-teal);cursor:pointer;min-height:44px}.oi-dialog-scroll{overflow:auto}.oi-dialog-scroll svg{width:100%;min-width:800px;font-family:Arial,sans-serif}
@media(max-width:700px){.oi-lab{padding:18px}.oi-controls{grid-template-columns:1fr}.oi-stat-grid{grid-template-columns:1fr}.oi-stat-grid>div{padding:15px}.oi-stat-grid strong{font-size:27px}.oi-tiles,.oi-formulas,.oi-downloads{grid-template-columns:1fr}.oi-tiles>div{padding:23px}.oi-lab h3{font-size:27px}.oi-figure .figure-toolbar{padding:10px 15px}.oi-figure figcaption{padding:16px}.oi-figure .oi-static-scroll{overflow:auto}.oi-figure .oi-static-scroll svg{min-width:680px}.oi-takeaway{padding:24px}.oi-tool-card h4{font-size:22px}.oi-conclusion{font-size:23px}.one-indicator .article-nav #article-toc{max-height:none}.oi-figure .figure-toolbar::after{content:'Swipe diagram ↔ · Enlarge for detail';flex-basis:100%;font-size:13px;line-height:1.5;color:var(--oi-muted)}}
@media print{.oi-controls,.oi-buttons,.oi-enlarge,.oi-downloads,.article-nav,.share-rail{display:none!important}.oi-lab,.oi-figure{break-inside:avoid}.oi-static-scroll svg,.oi-svg-scroll svg{min-width:0!important}.oi-tool-card{break-inside:avoid}}

.oi-catalogue{max-height:1100px;overflow:auto;scrollbar-gutter:stable;padding-inline-end:8px;overscroll-behavior:contain}.oi-catalogue:focus-visible{outline:2px solid var(--oi-teal)}
.oi-method-appendix{border:1px solid var(--oi-line);background:var(--oi-panel);padding:22px}.oi-method-appendix>summary{font:20px/1.6 var(--sans);color:var(--oi-teal);cursor:pointer}.oi-method-appendix>section{margin-top:45px}.oi-tool-card details{margin-top:17px;border-top:1px solid var(--oi-line);padding-top:12px}.oi-tool-card summary{font:15px/1.6 var(--sans);color:var(--oi-teal);cursor:pointer}.oi-tool-card details p{font-size:15px;line-height:1.7}.oi-tool-card details strong{color:var(--oi-ink)}
@media(max-width:700px){#case-lab .oi-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}#case-lab .oi-buttons button{min-width:0;min-height:62px;padding:10px;font-size:14px;line-height:1.5}}